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How to Replace the Key Battery in a 2012 Ford Flex

Model: Ford Flex MK 1 - Years: 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019
Part: Key

Video tutorial

Replacing the button battery inside your 2012 Ford Flex key is one of the simplest tasks you can do yourself. In this guide, you will find all the necessary instructions to complete the replacement smoothly.

First, get a flathead screwdriver and a new CR2032 battery. Next, use the screwdriver to open the cover.

Once done, remove the old battery and insert the new one. Finally, reassemble the cover correctly and test the key's functionality.


Updated on 26 July 2026 by ScegliAuto


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by ScegliAuto

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