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How to Reset the On-Board Computer in a Mazda CX-3?

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

This tutorial shows how to reset the on-board computer in a Mazda CX-3, a very simple and quick operation, for example, as a troubleshooting attempt or after a change of ownership. First, enter the cabin, insert the key, and turn on the instrument cluster. Next, access the general menu on the main display, go to "Settings", select the "System" tab, and choose "Factory Reset". Finally, confirm your choice and wait for the system to restart.

Posted on 4 August 2026 by ScegliAuto

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