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Frequently asked questions about cars and motorcycles

How to Replace the Key Battery in an Audi A6

Model: Audi A6 C7, MK 4 - Years 2011-2018
Part: Key

In this guide, discover how to replace the button battery inside the remote for your Audi A6 Mk4. First, ensure you have a new battery that is fully compatible with your key model. Then, remove the emergency key and take out the battery holder. Once this simple step is complete, remove the old, exhausted battery and replace it with the new one. Finally, reassemble everything correctly, and you are done.

Updated on 7 September 2026 by ScegliAuto

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