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How to Replace the Key Battery on the Mazda CX-9

Model: Mazda Cx 9 TC - Years 2016-2024
Part: Key

If you need to replace the key battery for this vehicle, useful information on what to do can be found in the description below. First, extract the emergency key by unlocking it using the small button located on the back of the remote. Then, take a sharp object and pry off the back cover of the remote. After that, you will have access to the compartment that contains the battery, which you can remove and replace with a new CR 2025 model. Position the positive terminal facing up, then reattach the cover and finally insert the emergency key back into its slot.

Updated on 29 May 2026 by ScegliAuto

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