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How to Replace the Remote Battery of the Mazda CX-3?

Model: Mazda Cx 3 MK 1 - Years: 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023
Part: Key

Video tutorial

If the remote battery of your Mazda CX-3 runs out and needs replacing, you can follow this simple tutorial. You will need a new battery, model CR2025, and a small flat-head screwdriver.

Remove the emergency key by pressing the small button, insert the screwdriver tip into the slot left by the key just removed, and lever the rear cover to lift it, as shown in the video. Using the screwdriver, lift the battery cover and proceed with the replacement, ensuring the polarity is respected, with the positive side facing you. Reassemble everything by following the reverse procedure.


Updated on 27 April 2026 by ScegliAuto


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by ScegliAuto

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