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How to Replace the Key Battery in the Ford Flex

Model: Ford Flex MK 1 - Years 2009-2019
Part: Key

In this new mini guide about the Ford Flex, we will discover how to replace the key battery. First, locate the small button on the bottom of the cover. Press it while simultaneously pulling out the physical emergency key contained in the cover. Next, get a small flathead screwdriver and use it to fully open the cover. At this point, simply remove the dead battery and replace it with a brand new compatible one. Finally, reattach the cover.

Updated on 26 May 2026 by ScegliAuto

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