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Replacing Key Fob Battery on Audi A4-A6

Model: Audi A6 - Years: 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026
Part: Key

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Video tutorial

In this video tutorial, you will learn how to disassemble and replace the battery on various Audi models, such as the 2019 A4 and A6. First, take your key fob and get a thin, pointed tool. Press the button to extract the key, then press inside the hole to remove the back cover of the key fob, as shown in the video.

At this point, you have access to the battery, which you will remove and replace with the correct type (in this case, a CR 2032). Simply insert it in the correct orientation and reassemble everything!


Updated on 5 April 2026 by ScegliAuto


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Watch the video!


by ScegliAuto

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