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How to Replace the Key Battery on a Citroen Xsara Picasso, Berlingo, and Saxo

Model: Citroen Citroen Various
Part: Key

Video tutorial

Today, I will explain how to replace the battery and microchip of the key on a Citroen Berlingo, Saxo, and Xsara Picasso independently. The first step is to insert a flathead screwdriver to pry open the side of the key. The second step is to remove the microchip.

The third step is to take out the battery. The fourth step is to solder the new components that will make up the microchip and insert the new battery.

The fifth step is to insert the microchip and solder the key. The sixth step is to close the remote.


Updated on 22 October 2026 by ScegliAuto


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Watch the video!


by ScegliAuto

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