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How to Replace the Key Battery in an Audi A3 Sportback

Model: Audi A3 Sportback MK 3 - Years 2012-2019
Part: Key

Replacing the remote battery in an Audi A3 Sportback is a straightforward task; here’s how to do it. Remove the plastic cover under the Audi logo by prying it open with a screwdriver, as shown at minute 0:25. Now, using the screwdriver, remove the battery. Replace it with the new CR2032 battery, pressing slightly to ensure it is seated correctly in the compartment. At this point, simply reinsert the plastic cover, applying light pressure to secure it, and you can use your remote again.

Updated on 1 May 2026 by ScegliAuto

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by ScegliAuto

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