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How to Replace the Remote Battery in the Audi A3

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

In today's video, learn how to replace the remote battery in the second generation Audi A3. This tutorial also applies to other contemporary models from the German manufacturer, including the A2, A4, etc. First, purchase the battery; specifically, it is a 3V CR 2032. You can find it in major physical stores that sell batteries. Once you have it, proceed. First, open the key's compartment using a flathead screwdriver. At this point, remove the old battery and insert the new one. Test its functionality and finish.

Updated on 29 June 2026 by ScegliAuto

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