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How to replace the key battery of an Audi A6

Model: Audi A6 C8, MK 5 - Years 2018-2026
Part: Key

In this very useful tutorial, we will see how to replace the battery of the key of an Audi A6, model produced from 2018 onwards. Let's start the operation by removing the physical key by pressing the appropriate unlock button and then extracting it from its slot. Then, using a small flathead screwdriver, we lever from inside the key on the back cover of the remote to remove it as shown in the video. Once this is done, we can remove the old battery and replace it with a new one, then closing everything back up. The necessary battery is the CR2032 3V.

Posted on 10 May 2025 by ScegliAuto

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