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How to Replace the Key Battery in the Audi A8 4N

Model: Audi A8 Typ4n, MK 4 - Years 2019-2026
Part: Key

In this new guide for all Audi A8 4N owners (2019-2023), discover the steps to quickly and safely replace the button battery inside the key. First, pull out the emergency key located at the top of the cover. Once done, remove the battery holder located just below it. Finally, remove the existing battery and replace it with a new one, ensuring it is a CR 2032 model. Reassemble the key and you're finished.

Updated on 16 July 2026 by ScegliAuto

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