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How to Change a Battery in a 2020 Ford Fiesta Key

Model: Ford Fiesta MK 7, MK VII, Fiesta 7 - Years: 2017, 2018, 2019, 2020, 2021, 2022, 2023
Part: Key

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As shown in the video, changing the battery in the central locking key of the 2020 Ford Fiesta is very simple. Purchase the replacement battery from any supermarket or store that sells batteries.

You will need a flat round CR 2032 battery. Use a small knife or flat screwdriver to pry open the battery compartment of the key as demonstrated in the video.

Once opened, remove the old battery and replace it with a new one. Insert the new battery into the housing, ensuring the polarity is correct, and close it up.


Updated on 10 June 2026 by ScegliAuto


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by ScegliAuto

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