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How to replace the battery of the Mazda CX 9 key.

Model: Mazda Cx 9 TC - Years: 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024
Part: Key

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Video tutorial

In this new guide aimed at all of you who own a second generation Mazda CX 9, we will explain how you can quickly and safely replace the key battery. First of all, make sure you have a new CR2032 battery on hand, then proceed with removing the key's protective cover to access the battery holder.

Once you have done this, remove the small rubber cap and then replace the old battery with the new one. Finally, reassemble the protective cover and you have successfully completed the task.


Posted on 7 November 2025 by ScegliAuto


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Watch the video!


by ScegliAuto

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