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Replacing the Key Fob Battery on Ford Focus

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

In this video tutorial, learn how to replace the battery in the key fob of a Ford Focus, as well as other models from the manufacturer. First, take the key fob and use a very thin lever or flat screwdriver to pry it open at the designated central slot, as shown in the video. This gives access to the battery: lever it out and replace it with a new one; the battery type is 2032. After inserting the battery in the correct orientation, refit the cover!

Updated on 29 March 2026 by ScegliAuto

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