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How to Change the Battery in an Audi A4 Key Fob

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

How do you replace the battery in an Audi A4 key fob? Let's see how to do it in this video. Take your key fob and press the button to release the metal key. Once extracted, use a lever to separate the two halves of the cover (as shown in the video). Remove the battery from the housing (after separating the two halves of the cover), take a new one of the same size and voltage. Reinstall the battery in the key fob cover; join the two parts of the key fob and then the two covers. Check the proper functioning of the key fob.

Updated on 14 March 2026 by ScegliAuto

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by ScegliAuto

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