The dictionary car - car terms explained

Today's vehicles are increasingly complex. The list of terms continues to grow forever. What do all these terms and abbreviations mean? Rating car puts you so in a clear and comprehensible manner.


4ETS traction system is a Mercedes-Benz applied to some of their wheel-drive models. 4ETS brakes wheels with less traction off individually so that the torque is released to the wheels with the most grip. The system thus ensures that the car in any situation the maximum amount of traction available to him.


7-speed automatic transmission from Mercedes-Benz.

A segment

See: car segments.


The A-pillar, the front roof pillars of a car, between the bonnet and the front door.
See also: B-pillar, C-pillar and D-pillar.

Drive Shaft

The drive shaft transmits the power of the motor from on the differential to the driven wheels.


The drivetrain is the collection of all the components that ensure the ability of the vehicle is converted into propulsion. Successively they are: the engine, clutch, gearbox, drive shaft, differential, drive shafts and the driven wheels.
A synonym for powertrain, drive train.

Drive Train

See: powertrain.

Point of engagement

When we have the car in terms of the point of application, we mean the point at which the clutch grabs ?? ??. If you let the clutch, the car at some point starts to roll: That point is called the point of action. From there, the operator starts the car to actually put into motion.


Active Body Control.
ABC detects and corrects diving and rolling movements of the body and the vehicle always remains flat on the pavement.


Anti blocking system.
ABS works with a number of sensors on the wheels, check the wheel when braking tends to slip. If that happens, the braking force is reduced electronically up to the point at which the wheel is no longer slipping. A car equipped with ABS remains under braking at all times to steer because the tires roll. This is in contrast to a car without ABS, which can go sliding.
See also: BAS

ABS plus

Antilock brake system plus.
ABS + is an evolution of ABS. ABS + takes into account the surface on which you are traveling. The idea that you stopped earlier with rolling wheels with locking wheel does not always hold true. ABS + takes this into account and adjusts the braking to the surface.


Adaptive Cruise Control
ACC is an addition to the regular cruise control. Besides the constant maintenance of the set speed ACC also takes into account the distance to the vehicle ahead. ACC ensures that the set distance to the vehicle in front is always maintained. If the brakes are applied for you, ACC also slows the car to keep the distance. Does your pastor again than ACC accelerates the car back to the set speed and distance.
Second meaning ACC: ACC is also used for "Automatic Climate Control"


Active Cornering Enhancement
ACE is a system by means of sensors and hydraulic adjustable stabilizer bars of the car body roll can affect artificially. This allows the car additional stiffness and law are held during fast cornering, and can be generated in bad weather or terrain work extra role.

Radius of action

The distance that can make a car on a full tank of fuel.

Active headrests

Active head restraints are designed to injury in a rear collision as much as possible. Sensors detect when the car is struck from behind, after which the headrest is raised a few centimeters, so that the head is received at an earlier stage, and thus reduces the risk of a whiplash injury.

Active bonnet

In recent years, the pedestrian collision safety has become an important issue. Cars equipped with an active bonnet having a plurality of sensors in the nose to detect a collision. Then, the engine cover on the window side is lifted a few centimeters and placed in a corner, through which the pedestrian makes a softer landing, which reduces the risk of injury.

Active safety

Under active safety means services which contribute to safety when driving. This therefore help to prevent an accident. Examples of active safety, ABS, ESP and traction control.
See also: passive safety

Active suspension

With active suspension sensors to continuously keep the movements of the vehicle and the road conditions in mind. The system adjusts the settings of the suspension and damping automatically to the circumstances, to always ensure the best and safest possible handling.

Active Seat Climate

Designation of Volkswagen for their climate control system in the seats of the car. With Active Climate Seat, the temperature and ventilation of the seats shall be adjusted and so the seats can be heated or cooled as required.

Active Torque Transfer

All-wheel drive system from Kia which also distributes the drive torque individually to the wheels.

Adaptive yaw

See absorber.

Adaptive Headlights

Adaptive cornering headlights lighting is working with the steering movements of the driver. When the driver steers into a bend, the light it turns to immediately turn the light on the bend. Thus, the driver a better view of the road and potential hazards can be spotted sooner.


In aerodynamics, the influence of air is provided for moving on a vehicle. In the case of car ?? s is that wind. Among aerodynamics also includes the shape of the car itself and how it cuts through the air ?? ??. A commonly used term that gives an indication of the aerodynamics of a car is the drag coefficient. The lower the number of this value, the lower the drag of the car. Good aerodynamics is essential. After all, the lower the resistance, the less power the car needs to move. Overall, improved aerodynamics means lower consumption and higher performance.
Another important component of aerodynamics is the downward pressure. Especially in racing, this is a crucial component. Downforce or downward pressure, the airflow that presses the car on the asphalt. The more downforce, the grip has a car in principle. Down Force is, inter alia, obtained by the use of spoilers. Formula one car ?? s are a good example of aerodynamic inventions: they have an aerodynamic design that closes topcompromissen: they are designed to minimize encounter resistance, but at the same time the air flow must be the car as much as possible touching the asphalt, so that it can take corners fast.
A fun fact: the most aerodynamic shape is the water drop. Water is fully moldable and when it falls, it automatically takes the teardrop shape, because the resistance of the water is so. The water is formed by the air resistance so such a way that it can fall the fastest.
See also: wind tunnel


Adaptive Front Lighting
Adaptive Front Lighting follows the steering movements of the car. For example, when the car turns left, AFL calculates by means of the steering angle how the curve runs and turns the headlights so that the portion to which the car moves is illuminated increasing. Another widely used synonym for AFL is AFS.

Rolling noise

The noise generated by the tires when driving. When there are many rolling noise penetrates the interior one will experience this as disturbing. In a car engine produces little noise, rolling noise falls frequently.


Adaptive Front Light System.
AFS adjusts the beam of the car to the circumstances so that the road and surroundings at all times is optimally illuminated. AFS is often combined with Adaptive Headlights, the light rotates with the direction of the car in order to better illuminate the bend.


AMG is the house tuner of Mercedes-Benz. The name AMG is created from the last names of the founders and the place where the company was born: Hans Werner Aufrecht, Eberhard Melcher Großaspach.
AMG was once an independent automaker but since 1990 official house tuner of Mercedes-Benz.


Further development of the 7G-TRONIC automatic transmission of Merdeces-Benz. The AMG SPEEDSHIFT PLUS 7G-TRONIC is delivered in the AMG models from Mercedes-Benz and has been developed in view of high performance and sportsmanship.


See stabilizer.

Automatic Distance Control

Designation for the adaptive cruise control of Volkswagen. When Automatic Distance Control is enabled, in addition to the set speed is also set distance maintained from the vehicle ahead. When the vehicle brakes, the vehicle naturally slows down in order to maintain the set distance. After this acceleration happens automatically.

Car Segments

The layout of car ?? s done in segments, designated with a letter. The letter indicates the class the vehicle falls. Below is a list of all classes:
A segment: supermini ?? s. Examples: Fiat 500, Toyota Aygo, Kia Picanto
B segment: small class. Examples: Opel Corsa, VW Polo, Peugeot 207
C-segment: compact class. Examples: Volkswagen Golf, Peugeot 307, Toyota Auris
D segment: middle class. Examples: Audi A4, Ford Mondeo, Volkswagen Passat
E segment: high middle class. Examples: Audi A6, BMW 5-Series, Mercedes-Benz E-Class.
F segment: league. Examples: Audi A8, BMW 7-Series, Mercedes-Benz S-Class
G segment: compact sporty types. Examples: Mazda MX-5, Daihatsu Copen
H segment: sport class. Examples: Porsche 911, Ferrari F430, Lamborghini Gallardo.
I-segment: top class. Examples: Maybach, Rolls-Royce Phantom, Bentley Continental Flying Spur
P segment: MPV ?? s. Examples: Renault Espace, Chrysler Voyager, Opel Zafira
T segment: SUV ?? s and SUVs. Examples: Audi Q7, BMW X5, Toyota Land Cruiser
V segment: Vans. Examples: Mercedes-Benz Vito, Volkswagen Transporter


Auxiliary in. An input to an audio device that makes it possible to connect an external device. For example, there may be by means of aux-in MP3 player can be connected to the radio on a car radio. Not all audio devices feature an auxiliary input, but you see them more and more often.


See: car segments.


The B-pillar of a car is the C-pillar that runs between the front and rear.
See also: A-pillar, C-pillar and D-pillar.


The movement of the crankshaft causes movement and thus imbalance in the motor. In order to counteract this, one or more balance shafts are mounted. The result is a reduction in the vibrations of the motor.

Band Designation

You will undoubtedly have a look at your tires look and have asked yourself what does that code? This "code" is the tire designation and this tells you everything about your band. On the basis of the example below, we will explain this out.
205/55 VR 17
205: the width of the tire in inflated condition in millimeters.
55: the roundness of the cheek. The number is a percentage of the width of the band. In this case, the height of the cheek is thus 55% of the width. The higher this number, the "rounder" the cheek end, the lower the platter. Sport Tyres are always a lower value than normal tires, because the flatter the cheek, the more tread is in contact with the asphalt.
Q: This letter indicates what the speed limit is allowed to drive with this tire. The following letters are used: Y 100 km / h, K: 110 km / h L: 120 km / h, M: 130 km / h N: 140 km / h, P: 150 km / h, Q: 160 km / h, R: 170 km / h S 180 km / h, T: 190 km / h H 210 km / h, V: 240 km / h W 270 km / h, Y: 300 km / h ZR:> 240 km / h.
R: This indicates the type of tire. R stands for radial tire. Is there a "D" this means diagonal band.
17: This number represents the rim size in inches.
Sometimes the code is slightly longer and classified in other activities such as: 205/55 R 17 88 V
The "V" is now at the back but also means the same. Added in this example, is "88". This number indicates the load index per tire. The larger this number is, the higher the bearing capacity.

Tire Pressure Monitoring

An electronic system that monitors the tire pressure. If the voltage is higher or lower than the standard value, the driver is alerted.


Brake Assist
BAS helps the driver to come to a stop as quickly as possible during emergency braking, optimizing the braking pressure. Is braked sharply, then BAS recognizes this as emergency braking and automatically boost the maximum brake pressure.


Brake Assist PLUS
BAS helps the driver to come to a stop as quickly as possible. BAS PLUS goes one step further. The term BAS PLUS comes from Mercedes-Benz which includes the S-Class and CL-Class provide them. BAS PLUS is working with a radar system that detects vehicles from the car. On the basis of the measurement data performs calculations by BAS PLUS and determines the right type remmanouvre in order to come to a halt as quickly as possible. Because the system "knows" how the driver to go slow, it already carries the brake pressure to the appropriate level and the car is all ready to assist the driver in his stop.

Bi-xenon headlights

Bi-Xenon means that both the low beam and high beam are equipped with Xenon lamps.
See also: xenon headlamps.


Driver Information System
A term used by Audi for an extended version of their on-board computer.


Blind Sport Information System
BLIS is a name used by Volvo for a blind spot warning system. When a vehicle is in the blind spot of the driver, the driver will be notified by means of an illuminated light in the mirror. This is to prevent the driver of lane changes or turns off. Does the driver do, then flash lamp and sounds are a warning.
In addition to Volvo, the system is being used by more and more manufacturers, including Audi. They call it "SAS": Side Assist System. As a general name we use Blind spot warning.


Bluetooth is not a car directly related term, but is often used in cars. The primary application of Bluetooth hands-free calling. Many car manufacturers to outfit their cars with a Bluetooth car kit. Via Bluetooth, your phone connects to the car, allowing you to make handsfree calls without cables. In many cases, things can like the phone book and call lists are loaded and displayed, for example the display of the onboard computer.

Onboard computer

An onboard computer takes the driver is aware of things like time, distance traveled, average speed, fuel consumption, outside temperature etc. Some board computers are more comprehensive than others. Often with the onboard computer also should be created as lighting and automatic door locking.

Bore x stroke

The bore and stroke together make the cubic capacity of the engine. The bore is the diameter of the piston, and the stroke is the distance traveled by the piston in the cylinder.

Boxer engine

In a horizontally opposed engine, the cylinders do not stand upright or opposite to each other in a corner, but lying opposite each other in an angle of 180 degrees. In other words, the cylinders are horizontal. The boxer engine is typified by its compact construction. A known user of Subaru Boxer engines.

Brake Energy Regeneration

By Brake Energy Regeneration braking energy is used to recharge the battery. Normally, the battery will be charged by the motor, which is free of power output and leads to a higher energy consumption. By Brake Energy Regeneration, the engine will not charge the battery, but uses the full power of the engine for propulsion. In place of the motor which charges the battery, kinetic energy of the brakes is converted into electrical energy to load with the battery. For example, the battery every time the brakes are applied is loaded. Brake Energy Regeneration is efficient and helps reduce fuel consumption and emissions.

Fuel cell

A fuel cell converts hydrogen with the aid of oxygen into water, in which electricity is released. This can be an electric motor powered. Cars that are driven by the need to refuel a hydrogen fuel cell. Currently, the infrastructure of the highly flammable substance can refuel hydrogen not toereiked and there are problems with storage. Because of this, the fuel cell, although technically ready for production, not yet ready for mass production.
The fuel cell is a very promising technology for the future if it can be found a solution to the current problems that stand in the way of mass production.


See: car segments


C-pillar, the roof pillar between the rear door and the rear window or the roof pillar between the rear door and the rear side window. At a sedan or hatchback, the C-pillar so the style rear of the car.
See also: A-pillar, B-pillar and D-pillar.


Camber is indicated in degrees and the angle made by the center line of the wheel relative to the asphalt. Under positive camber we mean wheels the top which stands out. In the negative camber is inclined to the upper side of the wheels with regard to the inside.
See also: caster, toe-in and toe-out.

Captain Chairs

Individual seats with armrests own. These are often mounted on SUVs and MPVs


In a carburetor fuel and air are mixed together and atomized before the mixture is sucked in by the cylinder. By means of a nozzle, the fuel is introduced into the carburetor. Larger nozzle means a richer fuel mixture. After the introduction of injection engines, the carburetor was unnecessary. In modern cars ?? s we get it therefore not stand.

Drive Shaft

Only rear- or four-wheel drive cars have a propeller shaft. This shaft distributes the drive forces from the engine to the rear wheels.


Cornering Brake Control
CBC provides assistance when braking in curves. Since the car does not move in a straight line, this has the tendency to be unstable because the brake pressure at the base is not equally distributed between the wheels. CBC distributes the braking of the wheels to keep driving the car more stable and easier.


Continuous Damping Control
Auto-adaptive damping system Opel. The damping is continuously monitored and adjusted to the conditions for the handling in any situation to keep optimally.


Common rail Direct Injection
The term used by Mercedes-Benz for their common rail diesel engines.


Stratified-Charged Gasoline Injection
The term used by Mercedes-Benz gasoline engines with direct injection.


By changing the engine or replace help increase power and torque of the motor. Also, the efficiency of the combustion is improved so that the consumption remains the same or even decreases. A very popular and affordable form of tuning.
See also: tuning


The choke is a valve that regulates the amount of air in the mixture of the carburetor. When starting with a cold engine, a portion of the fuel to deposit on the cold piston wall, it needs more fuel. By closing the valve, the mixture is automatically richer, making the engine easier to start. Old car ?? s have a manual choke, which was later replaced by an automatic choke. Contemporary car ?? s see for injection do not choke anymore.
Incidentally, it was necessary to start a car with too much choke Throttle up. Then the gas mixture was too rich and could drown the car. This means that the spark plug is wet and no spark gives more.

Close Ratio gearbox

"Close Ratio" means that the ratios are close to each other. A close ratio gear box has a relatively long first gear, while the rest of the gears are closer together. This results in less rpm decay when changing gears. This is ideal for car ?? s with a steep power curve, which means they deliver their maximum power in only a small part of the rev range. By mounting a close ratio gearbox, the rider can keep the revs easily in the ideal range. Close ratio transmissions are less suitable for all-round car ?? s for the open road.


Compressed Natural Gas
CNG can be used as a vehicle fuel. The liquefied gas is pumped and then vaporized at the desired pressure. By this technique, the gas can be stored in larger quantities under high pressure.


An audio / navigation / multimedia system from Mercedes-Benz.
COMAND APS exist, depending on the model, a radio / CD / MP3 player, DVD nagivatiesysteem, Bluetooth telephone, TV tuner, DVD player and CD / DVD changer. All functions are housed in one control unit.


A sporty body shape that vision is characterized by two doors and a high roofline. Examples: Audi TT, Porsche 911.

Crash Compatibility

Crash compatibility plays an increasingly important role in the development of automobiles. Crash compatibility means as much as the damage cars cause each other in a frontal collision.
With the rising popularity of the SUV is the call for improved crash compatibility increased. How secure a small city because it may be, in a frontal collision with an SUV generally bad from its occupants. This is because the SUV a lot heavier and higher than other body styles. Upon impact with a smaller or lower auto means that the SUV has a tendency to slide on the lower car, creating the effect of the crumple zone is offset because the SUV is much more boring into the passenger compartment.
Frontal crash compatibility test is shown by the Discovery Channel show the devastating damage that can occur when two totally different models collide.


The name for a car that is a mix of several body styles. Popular crossovers are station wagons with road capability, such as the Audi Allroad or Volvo XC70. Another example is a mix between a sedan and a coupe.


Continuously variable transmission.
CVT stands for continuously variable transmission, and is a collective term for a gearbox which enables stepless variation between the input and output speed allows.
The system works by means of a rubber belt with a trapezoidal profile. These "tapered" belt runs over two pulleys; one on the primary side and on the secondary side. The pulleys consist of two halves which can move relative to each other about the shaft. Because the length of the belt is fixed changes the diameter of the belt, depending on the distance between the pulleys. Simply put, the effect similar to that of the acceleration system on bikes, only with a CVT course it is continuous.


See: car segments


The D-pillar only occurs with a station wagon, SUV or van and the roof pillars between the rear side window and rear window.
See also: A-pillar, B-pillar and C-pillar.

Daytime running lights

A light system Audi whereby under the headlights a row of LED lights is made that burn during the day. Thus, the car also features daytime lighting. Daytime running lights also serve as additional decoration of the car. The system is mainly found on more expensive models like the Q7, but also the new A4 and TTS can be equipped with them.


The differential is placed between the driven wheels. By means of gears to the differential distributes the driving force via the drive shaft on the driven wheels. A differential comes in different shapes and sizes. For example, most differentials to make sure that the inside wheel can run slower than the outer wheel. Some terrain vehicle ?? s can lock the differential so that the driving forces are always divided evenly between the wheels.

Direct injection

With direct injection, fuel is injected directly into the cylinder for better and more efficient combustion. This in contrast to injection or indirect injection as in the case, for example, a carburettor.

Timing Belt

The timing belt is a belt or chain that is attached to the crankshaft. Due to the movement of the crankshaft to the timing belt drives the camshaft.


Term of Mercedes-Benz. See ACC.


DOHC is the designation for a double overhead camshaft. Instead of one, there are so mounted two camshafts. The camshaft takes care of the operation of the valves. Because there are mounted on a DOHC engine two camshafts, valves can be opened better enabling higher engine speeds.


Drifting is deliberately evoking upset to be checked as the car sliding. Drifting has in recent years become a very popular branch of motorsport, which are organized even competitions and championships. The purpose of drifting is to make the car as long as possible to make all kinds of formations glide through the rear of the car to let come and steer the car with the accelerator pedal.


In the drive by wire systems are traditionally operated mechanically or hydraulically, be replaced by electric motors which are operated by means of electric signals. Benefits include greater precision and a faster response. Disadvantages are the susceptibility to failure. Drive-by-wire is mainly used in more expensive models.

Driver Alert Control

Volvo safety system which warns drivers of a slackening concentration so as to avoid accidents.


Dynamic Stability Control
Synonym for ESP.


Direct Shift Gearbox..
See S-Tronic.

Dual stage turbo

See: twin scroll turbocharger.
See also: turbo

Dynamic Drive Control

A system of Volkswagen which can control the tuning of the car through three different modes: normal, comfort and sport. Dynamic Drive Control enables the driver to adjust the car set in the way that best suits the conditions and driving style.

Dynamic Ride Control

Audi system known from among others the RS4 and RS6 Avant. Dynamic Ride Control goes diving and rolling movements of the bodywork against the damping of the car to match. The new RS6 buyers can expand the Dynamic Ride Control dampers with three selectable modes: comfort, dynamic and sport.

Dynamic Steering

Dynamic Steering is a Mercedes-Benz system that often comes standard on more expensive models but is also optionally available in more and more versions. Dynamic Steering is added on top speed sensitive power steering. Dynamic steering adjusts the steering of the vehicle to the situation where it is located in. Eg to be built there parked, then dynamic steering makes for a very light steering car that needs little turns of the steering wheel to steer sharply. However, on the highway, the system provides a heavier and more direct steering. Dynamic Steering is fully mechanically, without sensors. and electronic controls.


See: car segments


Electronic Brake Force Distribution.
EBD is an electronic guard system that ensures that distributes the braking between front and rear axle, so that the car remains as stable as possible. It also ensures that the rear axle does not block under hard braking. EBD service as an aid to ABS.


Engine Management Control Unit
Chip that controls the engine management.


Electronic Damper Control
EDC adjusts the damping per wheel individually to each wheel as to give the maximum grip. Furthermore, the system goes from the chassis body roll against. By means of magnetic charges may microprocessors control the strength of the damping by shock absorber.


Electronic Stability Program.
Although ESP is a term that was originally introduced by Mercedes-Benz, ESP has become the common denominator for stability in a car. ESP corrects a potential breaking out car by braking individual wheels down. The vehicle remains stable and controllable.


An extension of ESP. ESP works with ESPPlus not by itself, but works together with other systems such as traction control.


European New Car Assese Apartment Programme.
EuroNCAP is an association founded in 1996 taken from European organization that is a leader in Europe in the field of crash tests. New models are exposed to various EuroNCAP crash tests and ratings are made in stars. So consumers can easily see how safe a car with an impact.


See: car segments


Fading is the phenomenon that occurs when there is frequent hard braking, namely a severe reduction in the braking of the car. Car and remfabrikanten do much to reduce fading as much as possible. Modern and expensive brake systems as a ceramic brake system is less susceptible to fading than traditional brakes.


A recently introduced novelty of Opel. Flex-Fit is an integrated bike carrier that can be withdrawn in the rear and so, when not in use are withdrawn from sight.

Front Assist

A safety system of Volkswagen which detects an impending collision by means of sensors and the brake this already brings in the optimum position to keep stopping distances as short as possible and to help prevent a collision.


Fuel Stratified Injection
FSI is the name of direct-injection engines of the Volkswagen Group. Also known: TFSI and TSI names for direct injection engines with turbo and / or compressor.


See: car segments

General Motors

World ?? s ?? s largest association of car manufacturers, consisting of Buick, Cadillac, Chevrolet, Corvette, GMC, Holden, Hummer, Opel, Pontiac, Saab, Saturn and Vauxhall.

Ventilated disc brakes

With ventilated disc brake discs have perforations so that the heat generated during braking can be better off and the brake cools faster. This enhances braking performance.

Belt tensioner

A belt tensioner ensures that during a collision for which the passenger can not move on. This is done through a small explosion that a stylus is launched. This scribe tighten the belt.


Global Positioning System
GPS originally was an American military system where persons or objects are equipped with a GPS transmitter in constant communication with GPS satellites. This allows the location of something or someone can be determined. Navigation systems combine this technique with stored routing information, allowing a navigation route can be determined.


Guard is the name of armored versions of various models of Mercedes-Benz. This car ?? s meet the so-called B6 / B7 safety mark. To ensure that the car ?? s been equipped with bulletproof glass, an armored body, anti-puncture tires, and a special fuel tank and sometimes even things like an intercom, locked climate control system, fire suppression system and escape systems as a smoke machine . Guard models from Mercedes-Benz cars are especially popular among heads of state and other beveiligingbehoevende people.


See: car segments

Halogen lamp

A light bulb made of quartz and filled with gas which is characterized by a higher light output than a normal bulb. Also the temperature of a halogen lamp is higher. The halogen lamp is standard in most new car ?? s, but the more expensive models are increasingly being equipped with Xenon lamps, which have an even higher light output.


A convertible can be fitted with a hardtop or softtop. A soft top is made of cloth, a hardtop made of steel or plastic. The advantage of a hardtop is that it is robust: if the car is covered, it feels more like a fixed roof. A hardtop is firmer and more comfortable in terms of both climate and sound, but heavier. Hence, many sporty convertible ?? s equipped with a soft top.


The hatchback has a body style, characterized by its large tailgate, which openscharniert as a door and therefore counted as extra door, unlike a sedan, which opens only the butt of the trunk. Hatchbacks have three or five doors.


High Pressure Diesel Injection.
HDI is the name of the PSA group for their diesel engines, all of which now operate on the common rail principle.


Fans of American cars ?? s heard the term ?? HEMI ?? music to the ears. HEMI is derived from ?? ?? hemispherical, which stands for hemispherical combustion chambers with which the engine is equipped. HEMI engines, we found in models of the Chrysler group.

Hill Descent Control

Mountain Descent Control.
Hill Descent Control system is a term and Land Rover but nowadays the common denominator for similar systems from other manufacturers. Hill Descent Control helps the driver to safely descend from a steep slope. The driver needs only to send the car itself regulates the operation of gas and brake, causing the car at a controlled rate goes down smoothly.

Hill hold

Hill hold is a system that was previously only found in SUVs. Nowadays, we are increasingly common in the counter all kinds of cars. Hill hold keeps the car on a hill can not roll back and lift themselves up, when the vehicle starts moving. This makes the dreaded by so many ?? inclining ?? and piece of cake.

Head airbag

The head airbag is also referred to as ?? windowbag ?? ?? or ?? curtainbag. The head airbag is usually in the roof above the heads of the occupants. In a collision, it unfolds and protects the heads of the occupants in an impact a vernier. It ensures that the head does not touch the side window.
See also: sidebags


Hill Start Assist
Hill Start Asist helps the driver to drive away without difficulty when there is accelerated from standstill on an incline. Hill Start Assist ensures that the vehicle on a hill can not roll back and lift themselves up, when the vehicle starts moving. This makes the dreaded by so many ?? inclining ?? and piece of cake.


Head-up Display
HUD is the aircraft dating projection technique where essential information is projected into the field of vision of the driver. This ensures more safety and comfort for the driver the most essential information such as speed and fuel stock is right in the sight and to see this not the principal have to turn away. HUD is currently a gadget ?? ?? which is mostly reserved for more expensive cars ?? s, but will again be found in the future in more models.

Hydro-pneumatic suspension

Citroën has been making headlines with their decades Hydro-pneumatic suspension. Hydro-pneumatic suspension with the traditional springs have been replaced by gas spheres. The amount of gas in regulating the bulbs, they can be made more flexible and tighter. The big advantage of Hydro-pneumatic suspension is almost unparalleled comfort. Moreover, the system is autoadaptief, which means that it automatically adjusts to the spring characteristic of the circumstances. A frequent drawback is the somewhat insensitive handling of the car.


See: car segments.


The widely acclaimed operating system from BMW. In his introduction to many complicated but now in a simplified form may or may not be found as standard in nearly all BMW models. iDrive works through a dial and a number of separate buttons, which can be operated a number of main functions of the car. The iDrive system works with a color screen that displays the settings. Similar systems are MMI Audi and Mercedes-Benz COMAND.


IDSPlus is as it were, a sport mode of Opel, which can be provided on different models. By switching the IDSPlus to be gas and steering response sensitivity, tightens the suspension and safety systems like ESP do a step back.


Intelligent Light System.
ILS adapts to the circumstances under which you are traveling. The headlamps have the characteristic that they can illuminate the road for the driver in different ways. ILS choose that institution is in a specific situation for the best view. Part of ILS are also things like adaptive cornering lights and bi-xenon headlamps.
ILS is a term used by Mercedes-Benz, many other terms used for similar systems Adaptive Light, Adaptive Front Lighting System, AFL and Active Bi-Xenon Lights.


Turbocharged engines are often also equipped with an intercooler. When air passes through the turbo, it warms up. ?? S In vehicles which are equipped with an intercooler, the air after it has passed through the turbo, passed through the intercooler. The intercooler cools the air. This has a power increase to result because cold air has a smaller volume than warm air. This allows more air to be pumped into the combustion chamber.


ISOFIX is the standard system for attaching child seats in the back of the car. The big advantage of ISOFIX is that it is universal and a child seat with ISOFIX so every car that is equipped with the ISOFIX system can be mounted. The ease of use is a key point: the seat only needs to be clicked and then sit tight.


JTD is the designation of diesel engines for the Fiat group, nowadays all common rail engines. JTDM is the name for the newest generation of diesel engines. JTD engines nowadays we hardly anymore.


Ingenious storage and folding system Mazda, known for the Mazda5. With Karakuri seating system can be easily folded away to create more storage space. The system is characterized by several handy pockets.


A catalyst is mounted in front of the outlet, and makes sure that the exhaust gases that are emitted through the outlet is significantly less harmful to the environment. This is done by means of processes which alter the composition of harmful substances.

Keyless entry

A novelty of the last few years. Keyless entry allows you to open the car without using a key or remote control. In the ?? key ?? a transmitter is built, which is recognized by the car. Thus, one who has boarding the key in his pocket. The car is unlocked when the driver wants to open the door.

Kick Down

Kick-down is the name of the behavior of a machine when the throttle is pressed full. The machine detects the reaction of the driver and knows ?? ?? that is to accelerate this smoothly. The machine then switches back to one or more gears to give the driver the required acceleration.


By the term ?? valves ?? The cylinder valves are intended. On a cylinder intake and exhaust valves present. The intake valves control the passage of the fuel mixture, the exhaust valves leads to the emission of the gases expelled. The four-valve engine has, the better the engine breathes ?? ??. The number of valves is often referred to as ?? V ??, which comes from ?? ?? valves, the English term for valves. 16v means, for example a four-cylinder engine with four valves per cylinder.

Knee Airbag

The knee airbag is the youngest member of the family airbag. At a hefty collision is common for the lower body of the driver incurs severe injuries, because it comes in contact with the center console or the steering column. The knee airbag protected the driver in such an impact.


Carbon fiber is mainly used in car racing, but also some expensive and exclusive car models are partly manufactured from this material, which is composed of woven fibers of carbon. Carbon fiber is extremely light and extremely strong. It is on average 50% lighter than steel and 30% lighter than aluminum. Also, the energieabsorbsie to five times as high as that of steel.


The torque is the torque ?? ?? of the engine, by which the force which is exerted on the drive shaft is indicated by the combustion. In Europe, the torque is expressed in Nm ?? ?? . The couple is the essential indication of the strength of a motor, and is even more important than the ability. It is a fact that without a motor torque can not deliver his power, torque sees to it that the engine may continue running and can exert force on the drive shaft. The higher the torque, the smoother the motor rotates and picks. High torque casts mainly fruit at low speeds. That is the great power of a diesel engine, this exacerbated by the often-mounted turbo.
See also: power.


A crumple zone is a buffer deliberately built into the bodywork of a car. In an impact creasing the crumple zone together. This is done deliberately: a crushable offers space to absorb the impact and to take a large portion of the energy away. This makes the blow is softer to the passenger compartment.


Kilowatt is the official entity with which the power is given by a car. Mostly, however, this is indicated in horsepower ?? s. However, HP is not an official unit of measurement and is a rather vague term.
1 kW = 1.36 hp.
1 hp = 0.74 kW.

Lane Assist

System which debuted on the Volkswagen Passat CC. The system maintains the position of the car closely and intervenes if the driver leaves the lane without indicating direction by counter steering.

Lane Departure Warning System

The Lane Departure Warning System alerts the driver when without specifying direction threatens to leave its lane. This indicates inattention. Lane Departure Warning System enables the driver to respond attentive example by vibrations in the seat and warning sounds.


LED stands for light-emitting diodes ?? ??. LED bulbs are replacing traditional light bulbs because they last longer, are brighter and have a faster response time. Disadvantages are that they are significantly more expensive than halogen and LED lighting are some people uneasy, because his perception of flashes. The latter is not at all the case.

Light sensor

A sensor constantly measures the amount of light outside. If this is insufficient, the lighting is automatically turned on. This happens for example when entering a tunnel. Many light sensors also work with a rain sensor, which means that the light will also turn on when it rains.

Line Engine

In an in-line engine, all the cylinders in a line positioned one behind the other. Most engines are inline engines. Other engines are V-engines and boxer engines.


Term of Mercedes-Benz for voice control of the car.


M Double Clutch Gearbox.
An automatic transmission with double BMW debuting in March 2008, similar to the DSG / S-Tronic gearbox from VW and Audi and Volvo Powershift gearbox.
The machine uses two clutches: one for the even gears and one for odd gears. When one link is in use, the other already finished. There is no changing of gears when shifting, but coupling. This may be fast and almost seamlessly switched.

Magnetic Ride

Audi of a system in which the dampers are filled with a fluid provided with magnetic particles. By loading these particles electrically, the resistance of the liquid can be influenced and thus the damping can automatically be made more robust or flexible.

Magnetic Ride Control

Adaptive yaw system of General Motors in which the dampers are filled with a fluid provided with magnetic particles. By loading these particles electrically, the resistance of the liquid can be influenced and thus the damping can automatically be made more robust or flexible.


MDrive is a system of BMW and is part of IDrive. MDrive is present on the sporting BMW models. MDrive allows the driver to adapt the car to his or her wishes by the institutions of cushioning, stability and traction control, engine management and power steering to changes and save.


Multi Displacement System.
Name for a system of the Chrysler Group for the elimination of one or more cylinders, saving fuel. When necessary, the disabled cylinders automatically jump again.

Middle Engine

The bulk of the car ?? s engine is up front. For sports ?? s however this is not always altogether satisfactory. A good sports car as much as possible has a neutral weight distribution of 50% on the front side and 50% on the backside. By a heavy engine at the front of the vehicle, this ratio will be severely disrupted. Therefore, some car ?? s equipped with a mid-engine. A mid-engine is mounted flush to the rear axle and is therefore more in the center of the car than an engine that front or rear mounted. This automatically enters the car closer to the ideal 50/50 weight distribution.


The segment of medium sized MPVs. Known models: Opel Zafira, Renault Scenic, Citroen C4 Picasso.


The smallest of the MPV segment. Examples: Opel Agila, Nissan Note, Citroën C3.

Engine management

The engine management system is controlled by a chip. This chip controls the injection and ignition of the engine and thus ensures that the motor precisely the quantity and composition of the fuel gets he needs. Some engine management systems are more advanced than others. For example, some systems can also activate and deactivate cylinders.
See also: chip tuning


Multi Purpose Vehicle
An MPV is a body style that is characterized by higher construction and large indoor spaces. Since the early 90 ??, the MPV has become a popular car. The first MPV ?? s were really great, especially the later ?? midi MPV ?? become very popular. Later still there ?? mini MPV ?? s ?? added. An MPV often has a flexible interior, often with separate seating for all passengers. In the larger MPV ?? s can often six or seven people along.


Multi Sports Vehicle
A term used to include the Seat Altea. The MSV resembles an MPV, but is often just a bit lower and more dynamic, which he aims to combine the space of an MPV with the driving characteristics of a sedan or hatchback. In recent years, there are very many different terms coined to describe this kind of vehicles such as UAVs or MUV.


Multi-link is a type of suspension system in which use is made of multiple support arms. This ensures better handling and more comfort than a single arm. Multi-link has long been standard on the most common models.

Multipoint injection

When multipoint injection is connected to the intake valve of each cylinder placed a nebulizer which allows for the fuel injection. This in contrast to singlepoint- injection.


Designation of Audi for their CVT tranmissie.


Designation of a multimedia system for the Chrysler group which is available in different models from Dodge and Chrysler. The MyGIG system uses a hard drive on which kinds of navigation and / or multimedia files can be put. The system also provides the ability to connect external devices such as an MP3 player.


A navigation system uses GPS. Through images of maps showing the planned route shown therein and voice instructions will guide the driver to the fastest way to its destination. Navigation systems come in all shapes and sizes. The simplest work with icons and arrows, but the more elaborate variants have advanced trip planning and have special places etc. The most expensive systems are so vast that they do not work with CD, Flash Card or DVD, but with a hard drive.

Night View Assist

Night View Assist is a system from Mercedes-Benz that is currently available on the S-Class. Night View Assist is developing for the driver to provide greater visibility during night driving and works as follows:
Two infrared lamps, housed in the headlight unit, shine infrared light for the car. An infrared camera in the cockpit records images of the infrared lamps and through a processor is the infrared image displayed on the instrument panel. The Mercedes-Benz S-class can be provided with a large screen that is above 8 inches flexible adjustable. Night View Assist is activated, the screen can display things like speed and trip computer data. Night View Assist When it is activated, the screen displays automatically at speeds above 15 km / h, see the infrared image.
Tests have shown that the visibility that arises by Night View Assist similarities to that of main beam of xenon lamps. Especially pedestrians and other unlit objects are noticed much earlier by the driver thanks to Night View Assist. For example, during these tests in the dark-clad dummies starting at 164 meters detected by drivers, while no Night View Assist and with xenon low beam so until 72 meters.

Level control

Level control is a system that ensures that the car under all conditions maintains the normal horizontal position. This increases security and improves handling. Level control is common, for example, station wagons, which are often faced with a heavy load or towing a caravan, trailer or trailer.


Newton meters.
The standard unit in Europe, in which is measured the torque of a car.
Another alternative in Europe is the kilogram-force meter.
1 meter kilogram-force = 9.80665 Nm
In America is used instead of Nm often Pound force foot.
1 pound-force foot = 1.3558179 N · m


A cam shaft is a shaft with cams, which in the cylinder ensures that the valves open at the right time. The closure is left to the valve springs. The drive of the camshaft is done by the crankshaft by means of the timing belt.


Understeer is the tendency for the car to want to go straight into a turn. Understeer is characteristic ?? s car with front wheel drive. Understeer can be dangerous, especially when it unexpectedly turns up. However, it is fairly easy to correct governed by letting off the gas, causing the front of the car regains its grip, and the selected line follows. Late in case of understeer the gas never loose too abruptly, because that can cause upset.


The construction of the complete suspension system is meant by the suspension of a car. There are different types of suspensions. Some acquaintances are McPherson and multilink system.


Upset at the rear of the car tends to ?? to ?? to come . Upset that can manifest itself, but the back can also suddenly perish, which is dangerous. Oversteer can be corrected easily than less understeer. In the initial phase can be upset even absorbed by gas lift, but when the rear starts to slide once there is an experienced and capable driver needed to keep the car under control. This is done by means of counter-steering.
Incidentally, experienced drivers and experienced drivers controllable oversteer as pleasant. Oversteer the car can be put right ?? ?? for a bend, and the direction of the vehicle can be determined by sending not only, but also by playing with the gas and to allow break out the back. A good example is intentionally upset urges.


See: car segments.

Park Assist

A system of Volkswagen which made its debut on the Passat CC. Park Assist allows the carsemi-automatic parallel parking. The driver only needs to operate the accelerator and brake at, steering makes the car automatically.

Parking Sensors

With parking sensors are often given different names ?? ParkPilot ??, ?? Park ?? and ?? Park Distance Control ?? are just a few of the terms used by manufacturers to designate parking sensors. However, they all do the same. Depending on the system are available in the front and rear sensors placed to see how far an object is from the bumper. The system allows using beeps, illustrations or even camera images to know how far the driver still can drive through without touching the object. Often, the system also calculates that the tailgate must be opened yet.


Porsche Active Suspension Management.
The name says it all, PASM Porsche is a system that can be operated by means of a knob with different settings. Depending on the setting, the system adjusts the damping. So you can expect a firmer suspension with special sports mode for a sportier feel.


Pre Collision System.
Lexus system that senses an impending collision and on that basis certain security systems turn on or turn off standby to ensure maximum safety in a collision. Mercedes-Benz also has a similar system called Pre-Safe.


Haggling is the name given to the spontaneous and uncontrolled ignition of the fuel mixture for the actual combustion. Especially old engines could have trouble knocking. Knocking may be harmful to the engine.
HP / weight ratio
The ratio indicates how much weight one car per horsepower has to face in life.
A car of 1500 kg with 200 hp has a horsepower / weight ratio of 1500: 200 = 5.7 kilograms per hp.
A car of 2100 kg with 350 hp has a horsepower / weight ratio of 2100: 350 = 6.0 kilograms per hp.
Especially sports cars have a low horsepower / weight ratio, which means that each horsepower less weight have to carry.

Plug-in hybrid

Plug-in hybrid cars are equipped with a rechargeable battery that powers an electric motor. The battery can be recharged simply by connecting the car power. The car thus can be recharged anywhere with an outlet. Plug-in hybrid cars work, as the name suggests, not only with electric motors, but also with a combustion engine.

Pollen filter

A pollen filter often part-conditioned. By means of a filter to be small particles in the air from the air is filtered before the air is blown into the passenger compartment.


An advanced system from Mercedes-Benz which detects an impending collision and turn on that basis certain safety systems or set ready to ensure maximum safety in a collision. The car can actively intervene if the driver does not own, but it is necessary. So the car can for instance independent brakes. More and more manufacturers are working on such a system, as Lexus with PCS.


Pedal Release System. A patented system of Opel At an impact the pedals fold down automatically late injury to help prevent / limit.


Quattro is the name of the four-wheel drive system from Audi. Even models that are equipped with the addition gain ?? ?? Quattro. Audi ?? s first car with the Quattro system even bore that name. Audi was one of the first brands with four-wheel drive Quattro system is generally recognized as one of the best all-wheel drive systems in the world.

Rain Sensor

A rain sensor detects precipitation and, if necessary, automatically switches the wipers. In addition, the rain sensor determines his own hand speed, eliminating the need to be chosen from fixed interval teeth. Also in mist or splashing dirty rain sensor can decide to turn on the windshield wipers. The rain sensor, a light sensor to control too often, when precipitation is detected.

Brake force Distribution

Brake force Distribution regulates braking pressure on the wheels of the car. When two wheels are for example on a plain background, makes brake force distribution ensures that these wheels have less brake pressure so they do not slip. If that happens, ABS enters into force.

Particulate Filter

For particulate filters shall have been much lately. Diesel engines have recently been given in most cases, standard one, and even in models that are not equipped with a particulate filter, sometimes retrospectively can retrofit ?? a ?? particulate filter be installed. The government grants a subsidy on car ?? s with particle filter. A particulate filter ensures that virtually all the soot particles in the exhaust gases of diesel engines will be deleted. This is done by post-combustion with a temperature of approximately 550 degrees Celsius. The normal combustion temperature is about 200 degrees. In addition, the particulates burn sufficiently.


A ROPS is mounted in a convertible. Because a convertible has no fixed roof, the occupants are at high risk when the vehicle rolls over. Without roll bars were the heads of the occupants by absorbing the blow a role as the window style is just not strong enough. Therefore be placed in convertible ?? s roll bars behind the headrests of the front seats or rear seat. In a rollover stabbing the jamb and the roll bars above the occupants and they absorb the blow. Therefore, the heads of the occupants are protected. Some people find unsightly rollover bars. Therefore, much attention is currently given to the aesthetic design of the brackets. Sometimes they may even sink in the body so that they are out of sight. If they are needed they shooting increasing rapidly.

Roll sensor

And roll sensor detects an impending rollover of the vehicle and is here the behavior of the airbags and pretensioners off before activating it.

Rolling resistance

The resistance that is generated when wheeled over a ground surface rolls.


Roll-over Protection Device.
A system that causes the rollbar out shooting at an impending rollover of the vehicle.


This dual-clutch automatic, introduced by Audi and is now used throughout the Volkswagen Group, formerly known as DSG. The machine uses two clutches: one for the even gears and one for odd gears. When one link is in use, the other already finished. There is no changing of gears when shifting, but coupling. This may be fast and almost seamlessly switched.


A shock absorber is a device that is in the suspension of a vehicle to absorb shocks from driving over bumps. A shock absorber consists of a cylinder containing a hydraulic fluid, which can flow in and out of the cylinder through a small opening. In the cylinder there is a piston that up-and-down will occur when there shocks. By the resistance of the liquid, the shocks are damped.
Many car ?? s now have an adaptive yaw. This means that the viscosity of the hydraulic fluid can be changed. Usually this is done by the addition of electrically charged particles which can be loaded by means of magnetism. This allows the liquid to your liking give more or less resistance, making the shock absorber can adapt to the conditions for a sportier or more comfortable handling.


The sedan is a popular body style, especially in the business segment. While the sedan often has an elegant and professional look, he lacks the skill of a hatchback. In contrast to a hatchback has a large sedan no back door, but a trunk.


Name of a type of machine Alfa Romeo. In addition to an automatic mode, to pick up the tray also can be operated manually by means of paddles behind the steering wheel or by the lever to the forward and backward.

Sequential gearbox

In a sequential gearbox gears all lie in a line one behind the other, instead of the conventional H-pattern. This may be switched by the poker simply a moment you push off or you get to, this may be fast forwarded. A sequential gearbox is a semi-automatic. Many machines have a sequential mode, which means that you can switch to poker as a sequential gearbox or with paddles behind the steering wheel.


Servotronic is BMW's name for electromagnetic power steering. This system provides variable power steering according to the speed and conditions. Thus, the steering will be pleasantly light when parking and the steering is heavier at highway speed.


Rear sidebags are airbags that are usually incorporated into the side of a chair or bench and being inflated at an a vernier to provide occupants with side protection. Rear sidebags are often complemented by head airbags for maximum protection from the side.


Side Impact Protection System
Formerly a term used exclusively by Volvo. Today it is popularly called a common denominator for car ?? s which are equipped with reinforced sills and sidebars and have side bags. All in all, the service system to protect an occupant during the impact a vernier.


Sequential Manual Gearbox
Designation of BMW for their sequential gearbox.

Speed-sensitive power steering

Usually, steering speed independently, which means that as much energized with any speed. Speed-sensitive power steering, however, takes into account the speed of the car and adjusts the power steering accordingly. Usually causes the system to send lighter at low speeds and less assistance at high speeds, so the car feels nice and heavy and stable.

Soft stop

Soft stop is a system developed by BMW ensures that even during soft brake the vehicle gently and smoothly to a stop.


A convertible can be equipped with a soft top or hardtop and roof. A soft top is made of cloth, a hardtop made of steel or plastic. The biggest advantage of a soft top is its light weight compared with a hardtop. A soft top, however, offer less comfort. Some people however find the form of convertible and really come into its own as a soft-top, but something always remains entirely personal.

Specific power

A system that is used to indicate how much power an engine produces per liter. The specific power output thus represents the ratio engine size / power.
A 2000cc engine with 140 hp, a specific power of 70 bhp / liter.
A 3550cc engine with 380 hp has a specific output of 107 hp / liter.

Stability control

Stability control corrects a potential breaking out car by braking individual wheels down. The vehicle remains stable and controllable.

Steer Control

Steer Control is a Mercedes-Benz system present, for example, the B-Class. Steer Control is an expanding top ESP stability. Steer Control ensures proper stuurbeweginen the driver in dangerous situations become more stronger. When the rear of the car and the driver from slipping example sends Steer Control gets information from the ESP sensors. Because of this "know" the car the wheel speed and steering angle, and it calculates how the reaction from the driver needs further been strengthened to correct the slide.
Mercedes-Benz has tested the system in dangerous situations with both male and female drivers. Without Steer Control showed 37% able to get through the situation without danger. With Steer Control, this was 58%.

Stow 'n Go

An invention of the Chrysler group. Stow 'n Go is a system where the rear seats of the car can be folded away completely into the floor. So therefore there can be created a completely flat load floor. When the seats are upright, the space in which they can be folded to be used as storage space. Stow 'n Go is known among other things, the Chrysler Voyager.


Sports Utility Vehicle
Name for a vehicle with an MPV-like carriage which can be both on and off the asphalt from the feet, thanks to four-wheel drive and increased ground clearance. The emphasis lies on an SUV while driving on public roads, but also offroading is possible.

Swivel n Go ??

A system of the Chrysler group that makes it possible to fully rotate chairs in order to create, for example, as a conference set-up in the car. Known among other Chrysler Voyager.


See: car segments.

Targa roof

A Targa roof open late in parts and is halfway between creating a convertible or open a large sunroof. The most famous Targa roof is that of the Porsche 911 Targa. Previously, with the roof panels had to be removed by hand, at present this is usually done electrically.


Traction Control System.
See: traction control.

Terrain Response

Terrain Response is a system of Land Rover, where the driver has the choice of several pre-programmed settings for driving on different grounds. Because of the different modes is for almost any surface a good attitude. The system takes account of suspension and damping and things like traction control and ABS. Under the program ?? s are among other settings for driving on snow, gravel or rough stones.


Turbo Fuel Stratified Injection.
Engines used by Audi and the Volkswagen group includes a turbocharger and direct injection.
Notable examples: the 200 hp 2.0 TFSI engine from the Volkswagen Golf GTI, the 265 hp 2.0 TFSI engine from the Audi S3 and the 272 hp 2.0 TFSI in the Audi TTS.


Turbo direct injection diesel.
The name Saab for its diesel engines.


The name of Audi and Porsche for their sequential gearbox.


The speed indicates the number of revolutions makes the crankshaft per unit of time. For every two revolutions taking place a complete combustion process. A rotational speed of 4000 rpm therefore means 2000 burns.
See also: two-stroke and four-stroke motorcycle engine.


Toe-in is a purposely arranged deviation in the wheel position of the front wheels of a car with respect to the longitudinal axis. When you look at the car lengthwise direction from above, you see that the front tires on the front facing slightly towards each other.


The operation of traction control can be defined as ?? reverse ABS ??. The system also uses the same sensors as the ABS system. Traction Control ensures that the drive wheels not spinning when there is not enough grip on acceleration. The traction control system intervenes in the engine management system allowing the operator is temporarily interrupted or reduced.

Towing capacity

The draw weight indicates the weight a vehicle can tow up


Trailer Stability Assist.
TSA is a system whose operation is similar to that of ESP. TSA detects dangerous pendulum tendencies from a trailer and corrects to correct it by the oscillations with steering movements of the car.


Tuning consists of two facets: optical tuning and technical tuning. Optical tuning is to say, the modification of the appearance of the car. Technical tuning is to improve the performance of the car by making adjustments to components. Both forms of tuning usually go hand in hand.


A turbocharger consists of two blade wheels which are fixedly connected to each other with a shaft, one in the inlet channel and one in the outlet channel. The engine compresses at high speed the exhaust gases through the outlet and thus the blade wheel in the exhaust from turning and thus also the blade wheel in the inlet. This pressurizes thereby with positive air pressure in the inlet channel: more air in the cylinders is the result, so there is more fuel can be injected, and which provides more power. A compressor has a similar effect, however, which is driven mechanically, while a turbocharger is driven by the exhaust gases. Both have their advantages and disadvantages. A compressor is generally faster in the lesson, because it does not need to get under way, thanks to the mechanical drive. On the other hand costs drive the compressor in itself a little power, making the net proceeds of a turbocharger in the base which is higher.

Two-stroke Engine

A two-stroke engine is a piston engine that supplies power for each downward movement of the pistons in the cylinders. This is in contrast to a four-stroke engine in which the pistons providing power at every second downward movement. The operation of a two-stroke engine based on the same principle as the four-stroke engine, but the process is different. Instead of four 'strokes', the two-stroke engine has only two "hits" in which it does the same as the four-stroke engine. In a four-stroke engine is a mixture of petrol and air is introduced into the cylinder. The mixture is compressed by the piston, which for this purpose again moves back into the cylinder. Then there is an inflammation that creates an explosion, which pushes the piston. Finally, the exhaust gases are driven out by the plunger that comes to the inside again. The two-stroke engine has only a power stroke and a compression stroke. The two-stroke engine has no valves, but an outlet port. The inflow of the fresh air is effected by means of transfer ports at the bottom of the cylinder liner which are in communication with the carburetor. At the moment that the piston is at the top of the cylinder and it moves downward, will open the exhaust port at a given time, and will be open to the transfer ports by the piston itself. And more gasoline is sucked in again.

Twin scroll

Twin scroll technique relates to the operation of a turbocharged engine. Twin scroll technique is to say that the turbocharger has a small and a large paddle wheel. In the initial phase, does the small impeller, this ensures that the turbo speed can be quickly and can respond quickly. When he turns and must be delivered more power once, the great paddle wheel takes over. A common synonym for a twin scroll turbocharger is a dual stage turbo.

Twin turbo

Twin turbo is to say that there are two turbo ?? s are present in the motor.
See also: turbo.


Urban Activity Vehicle.
Name for a MPV / SUV-like crossover.

V engine

A V-engine has two rows of cylinders which are opposite to each other at an angle. In a cross-section along the rows make a V-shape. As a rule V engines have an even number of cylinders are opposed, but Volkswagen had, for example, not long ago a V5 engine, the cylinders were not directly opposite each other.


See: car segments.

Variable valve timing

In variable valve timing is the timing of opening and closing of the valves not fixed, but can be varied with this. Thus, there can always be a selected timing that is best suited to what is required at a certain time of the engine.


Vehicle Dynamics Integrated Management
A Lexus-derived term for a system in which various active safety systems such as ABS, traction control and stability control are integrated.

Four stroke engine

A four-stroke engine, as found today in all passenger ?? s find, has four processes to complete one stroke. 1: the suction of fresh air and injecting the fuel 2: compressing the mixture, 3: the burning of the mixture, 4: the outlets of the combustion residues via the valves.


Variable Valve Timing and Lift Electronic System.
Honda used term for variable valve timing.

W engine

A W-motor is a relatively rare construction, wherein the cylinder rows in a sectional view along a W-shape. See a W engine as an interconnected V-engines. Two V ??, and, after all, make a W. Often, a W-motor is also coupled to a V-engine to each other, such as by Volkswagen and Audi which supply the Phaeton and A8 with W12.


The wheelbase is the distance between the center of the front wheel and the center of the rear wheel. A longer wheelbase usually creates more space in the interior. Much more expensive models like the Audi A8 and BMW 7-Series known versions with an extended wheelbase, which won space benefits the rear passengers.


See: suspension.


Windowbags airbags are incorporated in the mullions of the car. They are inflated on impact and form a protection between the head of the occupant and the window.

Wind noise

The sound produced when the wind blows along the body of the car. Cars with an inferior aerodynamics are more likely to produce a lot of wind noise. Wind noise can be disturbing and especially on vehicles with a quiet engine can wind noise dominate in the interior.

Wind tunnel

A wind tunnel is a large hall in which air flows can be generated in order to examine the influence of an air flow on the carriage of a car. By mixing with a powder of wind, there is a visible stream. So one can see how the air moves over the car. On the basis of these adjustments can be made in order to improve the aerodynamics of the car.
See also: aerodynamics.


Water Repellent Glass
WRG is water repellent glass. It is often used in mirrors, but increasingly also on windows. Volvo is experimenting with WRG on the windshield: this wipers would be superfluous. However, this glass is not to get into production.


Designation BMW for their four-wheel drive system. The technique works like this: a transfer case in the powertrain is controlled by intelligent electronics and a multi-plate clutch distributes drive power variably and continuously between the front and rear axle. If more torque to be sent to the front axle, then an electric motor rotates a round disc in the transfer case. Via a transmission is compressed, the multi-plate clutch, which is transmitted via a chain to the desired drive torque, within a fraction of a second on the front axle. Thanks to the variable distribution of drive power to the self-steering behavior is already positively affected at baseline. The car tends to understeer, xDrive reduces the drive torque than before and thus increasing controllability, respectively agility. In extreme cases there may even be virtually only rear wheel drive. At upset xDrive sends the drive torque to the front wheels, and thus contributes to the stabilization of the car.

Xenon Lights

Xenon lighting is often found standard on more expensive car ?? s. Instead of a glow plug causes an electric arc to the light. Xenon technique creates a twice as intense beam of light as a halogen lamp, which allows for a better and more visibility. Xenon lamps are more expensive, but have a longer life and lower energy consumption than halogen bulbs. Xenon lamps are recognizable by the bluish light. Some people experience the bright, blue beam as hindering.

Zero emission vehicle

A sore emission vehicle is a vehicle that produces no harmful emissions, such as gasoline and diesel vehicles to do. A zero emission vehicles are all fully electrical or hydrogen-powered cars.

Side airbags

Side airbags are airbags that are mounted in the side of the chair. In an impact they are inflated in order to protect the body from the side.

Center of gravity

The center of gravity is an important term in the car world. The center of gravity of the car is the point around which all the mass is evenly distributed. This is thus not the same as the center point. Automakers seek the center of gravity as far as possible to get down. The closer the center of gravity of the vehicle when the road surface is, the better the handling and the lower the body movement of the body. Usually has a higher car a higher center of gravity, therefore, an SUV more tendency to hang ?? ?? at the bend than a sports coupe.
Comments (7)

What is DRL light? Gr Olion


The concept of twin scroll Word misinterpreted here. There's no wood van.Het principle is correct is still just one turbine and a compressor. The big difference is that a single scroll through the angular velocity of the air flow from each cylinder is not effective. A twin scroll using the exhaust streams of cyl. 1en4 and of 2 and 3, and combined them into a double exhaust pipe. Direction compressor wheel to drive the most effective possible. This technique can therefore not in engines with odd number of cylinders.


Enlightening and understandable. A great help when buying a new car. Thanks.


Interpreted too hard ?? there is no easy? Eg. a basic dictionary of it?


Best Hendriks, actually it does not mean much anymore. But what comes close: the Luxury Special.


I could find nothing about, for example annoying window styles such as for example at Opel zafira.Is not so that thereby they have to look twice? I'm looking for a car of that caliber but find the style in which the side window bothersome.


I have a question regarding type aanduiding.Wat LS means from eg Kia Rio 1.5 LS? MVG LJ Hendriks