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Changing the Key Remote Battery on a Ford Focus C-Max

Model: Ford C Max MK 2 - Years 2010-2019
Part: Key

How do you change the battery of the key remote for a Ford Focus C-Max? Watch this detailed video to find out. Take your remote and use a screwdriver to pry between the key cover and the plastic cap. Pry until the two pieces separate from the cover, then use a screwdriver to extract the battery and replace it with a new one of the same size and voltage. Reassemble the cover by pressing on the key remote until you hear it click into place. Finally, insert the metal key into the remote. Check the correct operation of the remote.

Updated on 27 February 2026 by ScegliAuto

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