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Pull the carpeting behind the brake light. Unclip the assembly, replace bulb.
how to replace brake light bulb fiat doblo van
You need a double element bulb.
How do you replace the rear brake light bulb on a 2001 Honda civic?"
This site has step by step instructions (with photos), perhaps the A4 is similar. http://audidiy.blogspot.com/2010/04/how-to-replace-brake-light-bulb-on-audi.html
This document by Shailesh Govekar explains in detail how to change a brake light bulb on a Audi TT Coupe 2005. http://www.interactioncenter.co.uk/Audi_TT_Coupe_2005.pdf Regards
2009 Audi A4 brake light bulb lamp replacement procedure: Purchase the correct replacement brake light bulb(s) first, before disassembling the vehicle. See sources and related links below for replacement brake light bulb information. Then consult your owner's manual for the replacement procedure. As simple as it sounds, the owner's manual is the best place to start for brake light bulb lamp replacement instructions and illustrations. You may want to consider replacing both left and right at the same time in order to keep brightness and color equal (optional).
To replace your brake light, you need to unscrew the brake cover from the inside of the trunk. Then you will be able to pull the old bulb out and replace it.
3rd brake light or rear brake lights?
Bulb burnd out replace
Just unscrew the rear brake light, turn out the socket, and replace the bulb.
remove bulb from in side the boot