Changing bulb for turn signalsChanging bulb for turn signals  - Fuses and bulbs - Self-help - Audi S5 Owner's Manual - Audi S5

The bulb is secured in the bulb carrier with a bayonet fastener.

Ц Remove the headlight.
Ц Take off the rubber cap (small cover) and remove the bulb carrier.
Ц Lightly press the defective bulb into the bulb carrier, then turn it anti-clockwise and remove it.
Ц Do not touch the glass part of the new bulb with your bare hands, use a cloth or paper towel instead.
Ц Fit the new bulb, pressing it into the bulb carrier, and turn it clockwise as far as it will go.
Ц If necessary, use a cloth to remove any fingerprints from the glass part of the bulb.
Ц Insert the bulb carrier into the headlight.

Ensure that the rubber cap is seated correctly so that no water can enter the unit.