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Frequently asked questions about cars and motorcycles

How to Replace the Key Battery on a Ford C-Max

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

How do you replace the key battery on a Ford C-Max? In this video, learn how to replace the battery. Take your remote control and use a screwdriver to pry between the two parts of the key cover. Pry until the cap separates from the cover; extract the damaged battery with a screwdriver (get a new one of the same size and voltage). Reassemble the two halves of the remote key cover until you hear the locking click. Check the correct operation of the remote by testing the door locking and unlocking buttons.

Updated on 12 March 2026 by ScegliAuto

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