Audi A3 Self-help Fuses and bulbs Bulbs
Applies to: vehicles with bulbs
Fig. 348 Rear of vehicle: Bulbs in body panel and boot lid (example)
Fig. 348 Rear of vehicle: Bulbs in body panel and boot lid (example)
You must only replace a bulb with a bulb of the same type. Information regarding e.g. the wattage can be found on the glass or base of the bulb.
The description for changing the bulb refers to the left rear light unit; the procedure for the right rear light unit is similar.
You can change the following bulbs yourself:
Bulb (12 V)
Version
-1- Brake light/tail light
W21W
-2- Turn signal
WY16W
-3- Tail light
W16W
-4- Reversing light
H6W
(3-door/Sportback: ) 
-5- Rear fog light
W21W
(Saloon/Cabriolet: ) 
-5- Rear fog light
H21W