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How to Replace the Key Battery of the Audi A3 8P

Model: Audi A3 MK 2, 8P - Years 2003-2013
Part: Key

In this new mini guide dedicated to your Audi A3 8P (2003-2013), we will discover the steps to replace the battery located inside the key. First, press the metal button on the cover and pull out the physical emergency key from its side slot. Next, remove the rear cover with your hands and proceed to replace the old battery with a new one (model CR 2032). Finally, reattach the rear cover and you have completed the operation.

Updated on 11 July 2026 by ScegliAuto

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