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How to Replace the Key Fob Battery for the Audi A6

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

Replacing the battery in the key fob for the Audi A6 is a straightforward task that you can do yourself, saving on shop costs. To replace the battery, remove the top part of the key fob to access the key inside. Next, insert a flathead screwdriver into the slot to pry open the fob into two parts. Once open, remove the old battery and insert the new one. Close the key fob, reinsert the metal key, and test the key fob's functionality near the vehicle.

Updated on 14 September 2026 by ScegliAuto

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