Removing bulb carrierRemoving bulb carrier  - Changing bulbs in boot lid - Fuses and bulbs - Self-help - Audi A5 Owner's Manual - Audi A5

Boot lid: Opening the cover in the boot lid
Boot lid: Opening the cover in the boot lid

Boot lid: Removing bulb carrier
Boot lid: Removing bulb carrier

The description for changing the bulb refers to the left rear light unit; in principle the same procedure applies to the right rear light unit.

Ц Check which of the bulbs is defective.
Ц Open the boot lid.
Ц Take the screwdriver out of the vehicle tool kit.
Ц Using the flat-blade side of the reversible screwdriver insert, carefully detach the cover cap, -arrows-.
Ц Using the screwdriver, unscrew the nut A in the anti-clockwise direction and remove the nut and the retaining clip B.
Ц Release the retaining tab C and remove the bulb holder from the light unit.
Ц Change the bulb