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How to replace the key battery in a Citroen C4 Picasso

Model: Citroen C4 Picasso MK 2 - Years: 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022
Part: Key

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Video tutorial

Replacing the battery in a Citroen C4 Picasso key is a quick task you can do yourself. You will need a flathead screwdriver and a new CW2032 battery.

Insert the screwdriver into the remote to remove the key cover and take out the old battery. Insert the new battery and close the cover.

Finally, head to the vehicle to test its functionality. If the remote still does not work after replacement, you may need to replace the remote's microchip, which can be purchased online.


Updated on 16 October 2026 by ScegliAuto


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by ScegliAuto

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