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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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