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How to Replace the Remote Key Battery of a Ford

Model: Ford Mustang MK 6, S550 - Years: 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023
Part: Key

See other generations:
Video tutorial

In this very short video, we will explain how to replace the battery of a Ford Classic remote key. First, extract the metal key from the remote by levering it outwards, then insert the tip into the hole on the inside to split the remote in two. Once the remote is open, replace the faulty battery with a new CR 2450 model.

Finally, reassemble the remote by fitting the two halves together and reinserting the metal key. Now you can test the remote's functionality by trying it with the car.


Updated on 28 August 2026 by ScegliAuto


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Watch the video!


by ScegliAuto

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