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How to replace the battery of the Volkswagen Jetta 7 key.

Model: Volkswagen Jetta A7, MK 7 - Years: 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025
Part: Key

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Video tutorial

Changing the small battery inside your Volkswagen Jetta seventh series key is really simple. To complete the operation quickly and safely, all you need to do is follow the procedure described in this new mini guide.

First of all, purchase a new CR2032 battery, then remove the emergency key from inside the cover and use it to disassemble the latter. If you encounter difficulties, you can also use a small flat screwdriver to help you. Next, replace the exhausted battery with the new one and reassemble the cover.


Posted on 16 January 2026 by ScegliAuto


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by ScegliAuto

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