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How to replace the battery of the Audi E-tron key

Model: Audi E Tron MK 1 - Years: 2018, 2019, 2020, 2021, 2022, 2023
Part: Key

Video tutorial

In this video, we see how to change the battery of the key for the Audi A3 E-tron. Press the metal button located on the side with the "e-tron" inscription and press it to release the emergency key from its housing.

Using the key itself, lever in the space created by removing it to lift the cover of the remote, the one with the "e-tron" inscription. Underneath, we find the button battery (a common CR2032 that can be found at any supermarket or electronics store).

Replace it, paying attention to the polarity, and then put the cover and emergency key back in place.


Posted on 28 September 2025 by ScegliAuto


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Watch the video!


by ScegliAuto

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