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How to Change the Key Fob Battery of the Audi A8 MK1

Model: Audi A8 - Years: 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
Part: Key

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Video tutorial

In today's video tutorial, you will see how to disassemble and replace the battery of the key fob for the first-generation Audi A8. First, take your key fob and start by removing the plastic back cover by prying it off from the sides. Next, remove the battery contained inside, as illustrated in the video.

At this point, replace the battery with a new one of the correct type (in this case, a CR 2032 3V); insert it in the correct orientation and reassemble the key fob by reversing the disassembly procedure!


Updated on 4 June 2026 by ScegliAuto


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Watch the video!


by ScegliAuto

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