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How to Change the Key Battery of the Citroen C3

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

If the key of your Citroen C3 first edition (2002-2009) suddenly stops working and you want to learn how to replace the battery inside, follow these steps. First, release the emergency key by pressing the appropriate button. Then, use a simple coin to remove the rear cover and locate the exhausted button battery. Finally, remove the old battery and insert a new CR1620 battery. Refit the rear cover correctly, and you have finished.

Updated on 15 September 2026 by ScegliAuto

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How to Open the Bonnet of a Renault Megane if the Lever is Broken?

If the lever that unlocks the bonnet of the Renault Megane is broken or not functioning, there is an emergency procedure to unlock the mechanism: remove the right front grille located at the top of the bumper. Once the grille is removed, you can locate the actuator mechanism: by pulling the spring in this position, you can unlock the actuator, allowing you to lift the bonnet and access the components located inside the engine compartment. You can then close the bonnet simply by lowering it.

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