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How to change the battery of the 2023 Audi A3 key.

Model: Audi A3 MK 4, 8Y - Years: 2020, 2021, 2022, 2023, 2024, 2025, 2026
Part: Key

Video tutorial

In today's article, we will see how to replace the battery of the 2023 Audi A3 key. For this operation, you will need a small flathead screwdriver and a CR2032 battery. First, you need to remove the emergency key using the designated button and pulling the key outwards.

After removing the key, insert the screwdriver into the hole of the key and lever it to lift the cover. Once the cover is lifted, use the screwdriver to pry it off completely.

After removing it, use the screwdriver to lift and remove the battery. Now, replace it with a new one, reinsert the cover by pressing it back into place with your hands, and then reinsert the emergency key.


Posted on 30 July 2026 by ScegliAuto


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by ScegliAuto

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