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How to replace the battery of the key remote control of the Audi A6 E-tron

Model: Audi A6 MK 5, C8 - Years: 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026
Part: Key

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Video tutorial

In this short guide we will see the steps that will allow us to disassemble and replace the battery of the key fob of the Audi A6 E-tron. First, we take our key fob and start by removing the physical key from inside it; then we remove the back plastic cover, thus accessing the battery compartment, as shown in the video.

At this point, we remove and replace the battery with a new one, of the right type and with the same code; we reassemble the plastic cover and insert the physical key, checking the functioning of the commands.


Posted on 19 October 2025 by ScegliAuto


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Watch the video!


by ScegliAuto

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