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How to Change the Key Battery on a Citroen C3

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

How do you change the battery in the remote key for your Citroen C3? This video details the process. Take your remote and press the metal key release button. Once the metal key is open, use a screwdriver to pry between the two ends of the plastic remote cover. Remove the worn battery and take a new one of the same size and voltage. Reassemble the remote by pressing on both ends of the key cover until you hear it click into place. Check that it functions correctly.

Updated on 26 February 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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