How do I replace a brake light bulb in a Audi A4 07

http://www.audihowto.com/audi-a6-c6-2004-2011-fuse-box-location-and-fuses-list/

More likely replace the light bulb or led assembly if so equipped.

BULB SOCKET HAS SOME CORROSION IN THEM NEED SPRAY SOME ELECTRICAL CLEANER CLEAN CORROSION. OR YOU HAVE ELECTRICAL PROBLEM IN THE CONTROL MODULE THAT CONTROLS REAR LIGHTS.

check you have fitted the correct bulb,it should be a double filament bulb for the brake lights.single for the normal rear lights.

If the high level brake light works, then the brake light circuit is fully functional.

Brake light bulbs may LOOK fine, but can still have failed. Often folks don't notice that one bulb has failed until the second one has blown; it's then easy to incorrectly assume that the fault is more complex.

Try replacing the brake light bulbs: if that doesn't work then please report back for additional options.

It is the LED componet in the taillight, not the bulbs that are replaceable. I had the same problem and only solution is to replace the entire assembly.

how do i change rear brake light in audi q7

remove the bulb thats out, check the socket it's in for burnt contacts as this is common. if the contacts are burnt check the metal contacts on the tail light assembly, if they are burnt you will have to replace the whole assembly. if they are ok replace the bulb and socket

Inside the boot is a plastic cap embeded in the boot liner. Remove the cap to reveal a screw. Undo the screw and the whole rear light cluster will come away in a sideways and not rearward direction to reveal all of the bulbs. Hope this helps.

There is a small carpeted circle that pops out, unscrew 1 phillips head screw and the tail-light releases