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How to Replace the Battery of the Remote Control for the Peugeot 407 or Others (Including Citroen)

Model: Peugeot 407 MK 1 - Years 2004-2012
Part: Key

To replace the battery in the remote control of the Peugeot 407 or others (some also Citroen), start by inserting a small flat screwdriver into the slot at the bottom of the remote and lever to separate the two halves (a coin was used in the video); once the two halves are separated, remove the circuit board from one half and place it in the other half the opposite way, using a small flat screwdriver, lever from the bottom to remove the battery (a knife was used in the video), take the new battery, insert it into its slot in the same orientation as the old one; now take the half with the battery, position it on the half with the circuit board and press to snap them together. Finally, check the correct functioning of the new battery.

Updated on 14 August 2026 by ScegliAuto

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by ScegliAuto

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