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Replacing the Remote Key Battery on the Audi A3 8P (MK2)

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

In this short and simple guide, learn how to disassemble and replace the battery in the remote key for the Audi A3 8P, second generation. First, take the remote and start by removing the rear cover, prying at the sides with something thin; this will give you access to the battery compartment, as shown in the video. At this point, remove and replace the battery with a new one of the correct type (in this case, a CR 2032 3V); insert it in the correct orientation in the battery holder and reassemble the remote cover!

Updated on 29 April 2026 by ScegliAuto

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