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How to Replace the Key Battery of a Citroen C4

Model: Citroen C4 MK 2 - Years 2010-2018
Part: Key

Start by pressing the silver top button of the key for your Citroen C4 to open the physical key. Next, insert the tip of a thin, sturdy tool into the side slots to release the clips securing the battery cover, then remove the cover itself. This will give you access to the exhausted key battery. Proceed by extracting and removing the battery, completing the disassembly. To install the new battery, simply reverse these steps, and you will have finished the replacement.

Updated on 7 April 2026 by ScegliAuto

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