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How to Change the Battery of a Citroen C3 Key Fob

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

How do you change the battery of a Citroen C3 key fob? Follow this video: take the key fob and, using a screwdriver, pry in the gap between the two key covers. Lever it until the two pieces separate; remove the worn battery (take out the circuit board with the battery) with a small screwdriver, and take a new one of the same size and voltage. Reassemble the cover with the buttons by pressing on the key fob until you hear the locking click. Check the proper functioning of the key fob with the buttons on it.

Updated on 3 March 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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