Troubleshooting
Replacing bulbs
In this manual: Troubleshooting
~1min read
All bulbs on the bulb holder can be replaced easily.

Fig. 277 Bulb locations on the bulb holder. Example: tail light in the tailgate
The bulbs are secured by a bayonet lock.
The bulb assignments are shown in the table below.
- Press lightly on the defective bulb in the holder, then turn it to the left and remove it.
- Insert the new bulb, press it into the socket and turn the bulb to the right as far as it will go.
- Wipe the bulb with a cloth to remove fingerprints.
- Check that the bulbs light up.
- Reinstall the bulb holder
Bulb assignments

Test yourself
A quick Audi A4 quiz: every answer comes with an explanation and a link to the manual page.
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