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How to Replace the Key Battery in a Citroen C3

Model: Citroen C3 FC, FN - Years 2002-2009
Part: Key

Before starting, open the physical key of your Citroen C3 by pressing the appropriate unlock button. Begin by inserting the tip of a thin but sturdy tool into the lower slot of the key fob and lever it open. This will open the key fob in two, exposing the dead battery. Proceed to remove the battery from its housing, completing the disassembly. To fit the new battery and close the key fob, simply follow these steps in reverse, and you will have completed the replacement.

Updated on 9 April 2026 by ScegliAuto

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How to Open a Stuck Boot on the Peugeot 407?

On the Peugeot 407, the boot may become stuck, possibly due to a problem with the control button or the lock actuator. In such cases, you can perform an emergency opening by following the simple procedure shown in this tutorial. First, open the rear doors, then lower the seat back by operating the release lever. Next, go inside the boot, locate the lock, and manually operate it using a flathead screwdriver. The boot will then be free to open.

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