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How to Replace the Battery in the Key Fob of a Peugeot 508

Model: Peugeot 508 MK 1 - Years 2010-2018
Part: Key

How to replace the battery in the key fob of a Peugeot 508? Follow this detailed video: take your key fob and use a screwdriver to pry between the key cover and the plastic cap on top of the cover. Pry until the cap separates from the cover. Remove the worn battery with a screwdriver, take a new one of the same size and voltage, and insert it into the housing. Reattach the cap to the key fob cover until you hear it click into place. Check the correct operation of the key fob by testing the door lock and unlock buttons.

Updated on 1 March 2026 by ScegliAuto

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by ScegliAuto

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