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Frequently asked questions about cars and motorcycles

How to Replace the Key Battery in the Audi A6

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

If you own an Audi A6 fifth generation (2018-2022) and want to learn how to replace the key battery easily and safely, just follow the instructions in this guide. First, pull out the physical emergency key. Next, use the same key to easily detach the rear cover. Once this operation is complete, simply remove the old battery and replace it with the new one. Finally, reattach the cover and insert the emergency key back inside.

Updated on 1 July 2026 by ScegliAuto

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