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How to Open Ford Focus Key and Change Battery

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

How to open the Ford Focus key and change the battery? Let's see how to do it. Take your remote key and press the side buttons; remove the plastic with the Ford logo (remove the metal key). Using a screwdriver, pry between the two parts of the plastic key cover. Extract the worn battery. Take a new battery of the same size and voltage and insert it into the key. Join the two covers of your remote by pressing on the key cover until you hear it click into place. Reattach the metal key to the cover. Check the correct functioning of the remote key.

Updated on 18 March 2026 by ScegliAuto

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