Audi A4   Self-help   Fuses and bulbs  Bulbs
Diagram: Bulb holder with a bayonet fastener
Fig. 1 Diagram: Bulb holder with a bayonet fastener
In the case of bulb holders with a bayonet fastener please proceed as follows:
Removing the bulb holder
Turn the bulb holder in the direction of the arrow -A- as far as it will go and then take the bulb holder out of the light unit.
Fitting the bulb holder
Insert the bulb holder into the light unit, making sure you keep the bulb holder straight, i.e. the rubber seal makes even contact all around.
Turn the bulb holder in the direction indicated by the arrow -B- as far as the stop.

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