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How to reset the "Service" light on a Mazda CX-9?

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

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Video tutorial

To reset the "Service" light on a Mazda CX-9, turn on the instrument panel without starting the engine. Use the dial located on the center console to access the onboard computer menu.

This dial allows you to navigate the infotainment system easily. Rotate the dial to scroll through the options displayed on the screen and select either "Settings" or "Vehicle". From there, continue to use the dial to find the maintenance section.

Once you have located the section, look for the option "Maintenance Intervals" or "Reset Maintenance". Press the dial to select this option and confirm your choice to initiate the reset. The system may ask for further confirmation of the service interval reset.

Use the dial again to confirm, and wait for the process to be completed. After the reset, the "Service" light will turn off, indicating that the vehicle has correctly recorded the new maintenance interval.

Turn off and on the instrument panel to verify that the light is no longer present. If necessary, repeat the procedure.


Posted on 28 April 2025 by ScegliAuto


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by ScegliAuto

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