Vehicle lighting and alarm Audi 100 C4, petrol

Checking the lighting
Constantly checking Turn on the ignition and test all lighting devices one by one: Parking light (side lights), low beam, built-in fog lights (if any), high...

Spare lamps
A small supply of the most important bulbs will give you the opportunity to immediately replace a defective bulb if it burns out on the road. Halogen...

Replacing lamps
Main headlight bulbs All headlight bulbs are removed from the engine compartment. Turn the headlight cover to the left in the engine compartment...

Removal headlights
Remove the direction indicator housing ( see later in this chapter ). Remove the strip under the headlights (see chapter " Body elements "). Remove the two...

Checking headlight adjustment
TO #33 The headlight is unlikely to move by itself. But if the reflector or the entire headlight has been replaced, then it is necessary to check the...

Fog lights
Replacing lamps Remove the bumper panel (next to the fog lights). Remove the two mounting bolts located below (see illustration below). Left: After removing...

Do-it-yourself installation of fog lights
The fog lights from the auto parts store do not look very good on the streamlined body of the Audi, and they are also difficult to install securely in the...

Front direction indicators
Housing replacement, lamp replacement In the engine compartment, press down the latch next to the turn signal headlight housing using a screwdriver. Pull the...

Rear lights
Replacing lamps External rear lights: Turn the rotary latch to the left and remove the socket. Lights in the luggage compartment lid: First remove the lid (for...

License plate lighting
Remove both Phillips head screws securing the glass to the rear panel. Remove the outer glass and the lamp holder located underneath. Remove the incandescent...

Other lighting fixtures
Interior lighting Spotlight lamp (10W, length 41mm, DIN form K) should be lit when the doors are open and the switch is in the appropriate position. It is...

Instrument panel lighting
Instrument lighting Only the instrument lighting is considered here. You will read about the indicators, also located in the instrument cluster, in the chapter...

Checking the direction indicators and hazard warning lights
Constantly checking The hazard warning lights must be ready for operation at all times, so their switch is powered via a fuse directly from the positive...

Checking the brake light
Constantly checking For your own safety, you should check your brake lights as often as possible. When you press the brake pedal, the garage wall behind your...

Brake light switch
The brake light switch is located in the Audi-100 just above the brake pedal and is accessible only after removing the shelf on the left and the air duct...

List of faults

Checking the sound signal
Constantly checking When you press the horn located in the steering wheel, with the ignition on, a regular or two-tone sound signal should sound. The horn...

Short high beam signal
Whether the ignition and headlights are on or off, the high beam filament and high beam indicator always flash when you pull the turn signal lever toward you....

This section is available on russian, bulgarian, belarusian, ukrainian, serbian, croatian, romanian, polish, slovak, hungarian

Share information:

100(C4, 1990-1994)

100(C4, 1990-1994, petrol)

100(C3, 1982-1990)

100(C3, 1982-1990, petrol)

100(C3, 1982-1990, diesel)