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How to Replace the Battery in a Mazda Remote Key

Model: Mazda Cx 30 , MK 1 - Years: 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026
Part: Key

Video tutorial

Replacing the battery in a Mazda remote key is a straightforward task that does not necessarily require professional assistance. First, extract the physical key from the remote; it is located at the top of the remote and can be removed by pressing the latch on the back.

Inside the key slot, you will notice two notches where a flathead screwdriver can be inserted to pry open the remote cover. Once the cover is open, you will have access to a round cap that can be removed by hand.

Inside this cap is the battery, which can then be replaced with a new one.


Updated on 30 March 2026 by ScegliAuto


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by ScegliAuto

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