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How to change the battery and the case of a VAG group key

Model: Volkswagen Volkswagen Various
Part: Key

Video tutorial

In this video, we will see how to change the battery and the casing of a key, generally from the VAG group: we will need a crosshead screwdriver to remove the screw holding the cover, in order to change the battery inside, which is a common CR2025 easily found at any supermarket or electronics store; we separate the two halves of the cover with a flathead screwdriver, and we put the key's electronics inside the new cover, also placing the original key in the new casing; particularly delicate is the repositioning of the spring.

We close the cover with the battery inside, with its screw, and the operation is complete.


Posted on 13 February 2025 by ScegliAuto


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