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Replacing the Remote Battery for Audi A4 - A5 - A6

Model: Audi A4 B9 - Years: 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024
Part: Key

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Video tutorial

Today, you will learn how to disassemble and replace the battery in the electronic key remote for the Audi A4, as well as the A5 and A6. First, take your remote and remove the physical key by pressing the button. Next, slide out the battery tray to remove the battery, as shown in the video.

Now, replace the old battery with a new one of the correct type (in this case, a CR 2032 3V). Insert the battery in the correct orientation into the tray and then reassemble the remote!


Updated on 12 May 2026 by ScegliAuto


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Watch the video!


by ScegliAuto

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