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How to Replace the Remote Battery on a Ford Focus?

Model: Ford Focus MK 3 - Years 2011-2018
Part: Key

To replace the remote battery on a Ford Focus, pry open the groove that separates the two halves of the device using a flathead screwdriver. Once the two halves of the key shell are separated, you will have access to the components inside: the battery can then be removed from its housing and replaced with a new spare part. After the replacement, close the remote again by joining the two halves of the shell and ensure that everything works correctly.

Updated on 25 June 2026 by ScegliAuto

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