Do it yourself
Frequently asked questions about cars and motorcycles

Replacing the Key Battery on an Audi A3

Model: Audi A3 8V, MK 3 - Years 2012-2019
Part: Key

Today, you will see a task that is really within everyone's reach. By pressing the designated button on it, remove the manual key from the rest of the casing. At this point, extract the central part that contains the battery: done! As you can see, it is a really simple operation. Now it will be a piece of cake to extract it and replace it with the new battery you purchased (available at any hardware store or large supermarket and very inexpensive). Reinsert the battery holder back into the remote and finally reassemble the manual key by reinserting it in place.

Updated on 5 May 2026 by ScegliAuto

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by ScegliAuto

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