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How to Replace the Key Battery in the Audi A8 4N

Model: Audi A8 Typ4n, MK 4 - Years: 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026
Part: Key

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Video tutorial

In this new guide for all Audi A8 4N owners (2019-2023), discover the steps to quickly and safely replace the button battery inside the key. First, pull out the emergency key located at the top of the cover. Once done, remove the battery holder located just below it. Finally, remove the existing battery and replace it with a new one, ensuring it is a CR 2032 model.

Reassemble the key and you're finished.


Updated on 16 July 2026 by ScegliAuto


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How to Use the Key of the Kia Sportage to Open the Car?

It is very unlikely, but if it happens, know that there is a way to solve the problem. If the remote battery dies, no worries, this video shows how to use the key to open the door for the Kia Sportage and many other vehicles. Remove the key from the remote, take off the cover of the lock cylinder mentioned above, and insert the key to open it, turning it anti-clockwise. Once done, carefully reattach the cover without scratching the bodywork, ensuring it is securely fastened.

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by ScegliAuto

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