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How to Replace the Key Battery of the MG Hector

Model: MG Hector MK 1 - Years 2019-2026
Part: Key

If the smart key of your MG Hector has suddenly stopped working, it is most likely time to replace the battery inside. Let's find out how to do it. First, remove the back cover with your hands and unscrew the two screws located underneath with a small Phillips screwdriver. Once done, also remove the battery holder and proceed to replace the dead battery, ensuring full compatibility with the new one. Finally, reassemble the cover correctly, and you're done.

Updated on 29 May 2026 by ScegliAuto

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