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How to Replace the Remote Battery of the Audi A3?

Model: Audi A3 8V, MK 3 - Years 2012-2019
Part: Key

In this video, you can see how to replace the remote battery of the Audi A3. For this simple operation, you will need a small flat-head screwdriver and, of course, a replacement battery of type CR2032. First, extend the emergency key by pressing the designated button, then insert the screwdriver tip into the indicated slot and unlock the rear cover by prying it open. At this point, using the screwdriver again, remove the old battery and insert the new one, ensuring the positive terminal is facing you.

Updated on 8 May 2026 by ScegliAuto

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