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Replacing Remote Control Battery on Audi A4 B9

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

See other generations:
Video tutorial

In this video, you will learn how to replace the battery in the remote control of your Audi A4. The first step is to press the black buttons on the sides and pull the key out of its slot. Now, extract the battery tray and replace it with a new one. Specifically, it is a 2032 3V battery; the flat type commonly found in watches, bathroom scales, etc. Now, proceed in reverse, inserting the battery back into its slot, then put the tray back into the key and insert the metal key back in place.

Now your remote control will function properly again.


Updated on 30 April 2026 by ScegliAuto


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Watch the video!


by ScegliAuto

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