Early road vehicles used fuelled lamps before the availability of electric lighting. The first Ford Model T used
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The colour of light emitted by vehicle lights is largely standardized by established conventions, first codified in the 1949 Geneva Convention on Road Traffic and later specified in the 1968 United Nations Vienna Co… See more

Forward illumination is provided by high- ("main", "full", "driving") and low- ("dip", "dipped", "passing") beam headlights, which may be augmented by auxiliary fog lights, driving lights, or cornering lights.
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Conspicuity devices are lights and reflectors that make a vehicle conspicuous and visible with respect to its presence, position, direction of travel, change in direction, or deceleration. Such lights may light steadil… See more

Most cars have at least one "dome light" (or "courtesy light") located in or near the ceiling of the passenger compartment, to provide illumination by which to fasten seatbelts and enter or exit the car. These often have … See more

Emergency vehicles such as fire engines, ambulances, police cars, snow-removal vehicles and tow trucks are usually equipped with intense warning lights of particular colours. These may be motorised rotating beacons, … See more

The incandescent light bulb was for a long time the only light source used in automotive lighting. Incandescent bulbs are still commonly used in turn signals to stop hyper-flashing of the turn signal flashers. Many … See more