Car Terms
Your go-to automotive glossary
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Car Terms

Either one of two support posts that are positioned on either side of the windshield of a vehicle and connect the roof to the body.
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Anti-lock braking system: An anti-lock braking system is a safety anti-skid braking system.
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A belt driven compressor tasked with putting refrigerant under high pressure to operate the air conditioning system.
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While a traditional cruise control system is designed to maintain a speed no matter external conditions, adaptive systems help vehicles maintain a safe following distance when needed.
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The force on an object that resists its motion through a fluid is called drag . When the fluid is a gas like air, it is called aerodynamic drag or air resistance.
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A supplementary vehicle occupant restraint system using a bag designed to inflate extremely quickly during a collision. These are used for impacts with the front, side or roof of a vehicle.
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Approach angle is the maximum angle of a ramp onto which a vehicle can climb from a horizontal plane without interference.
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The maximum ramp angle from which a vehicle can descend without damage
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Combined with water, these Glycol based liquids protect a vehicle's engine and cooling system from below freezing temperatures while retaining cooling properties in warm temperatures.
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Mirror that automatically switches between "day" and "night" settings depending on the amount of light behind the car relative to the ambient light in front.
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A multi-speed transmission used in motor vehicles that does not require any driver input to change gears under normal driving conditions.
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An all-wheel drive vehicle (AWD vehicle) is one with a powertrain capable of providing power to all its wheels, whether full-time or on-demand.
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Axle ratio is the number of revolutions the output shaft or driveshaft needs to make in order to spin the axle one complete turn.
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