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How to Replace the Key Battery of a Citroen C3

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

How do you replace the key battery of a Citroen C3? Let's see in this video how to proceed in detail. Take your remote control and press the release button of the metal key. Once the metal key is open, use a screwdriver to pry between the gaps at both ends of the remote cover. Remove the worn battery and take a new one of the same size and voltage. Reassemble your remote control by pressing on both ends of the key cover until you hear it click into place. Check that it is functioning correctly.

Updated on 15 March 2026 by ScegliAuto

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