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How to Replace the Key Battery of a Mazda CX-3?

Model: Mazda Cx 3 MK 1 - Years 2015-2023
Part: Key

Replacing the remote battery of the Mazda CX-3 is very simple. Follow these steps in this tutorial. You will need a small flat-head screwdriver and, of course, a replacement battery, model CR2025, 3V. First, remove the emergency key by pressing the designated rear button. Then, insert the screwdriver tip into the indicated slot and unlock the cover. Once the remote is open, proceed to replace the battery, ensuring the correct polarity, that is, with the positive terminal facing upwards.

Updated on 3 May 2026 by ScegliAuto

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