How to Replace a License Plate Bulb in a 2001 Audi A4
1. Remove the license plate by unscrewing the bolts holding it in place. Unlock and lift the trunk lid.
2. Remove the screws on each side of the light cover. Remove the light cover.
3. Pull out the old bulb. Insert the new bulb into the housing. Replace the light cover and the screws that hold it in place.
4. Close the trunk lid and reinstall the license plate.