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Replacing Audi A4 Remote Battery

Model: Audi A4 B6 - Years 2000-2004
Part: Key

In this simple video tutorial, you will learn how to disassemble and replace the battery of the key remote for an Audi A4. First, take your remote and remove the back cover by prying it open with a sharp object in the designated slot. Then, pry in the center and split the remote into two parts. At this point, you have access to the battery, which you will remove and replace with a new one. It is recommended to use a good battery and insert it in the correct orientation to avoid reversing the polarity. Then, reassemble everything.

Updated on 27 March 2026 by ScegliAuto

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