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How to Replace the Key Battery on a Ford Focus

Model: Ford Focus MK 3 - Years: 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018
Part: Key

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Video tutorial

Start by inserting a thin but sturdy tool into the slot on the side of your Ford Focus key to pry it open. Next, you will need to unclip and remove the battery from its housing.

By doing this, you will have freed the exhausted battery from the key. At this point, you can completely remove the battery, successfully completing the disassembly. To install the new battery and close the key, follow this process in reverse, and the battery replacement for your Ford Focus key will be complete.


Updated on 6 May 2026 by ScegliAuto


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by ScegliAuto

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