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

Model: Mazda Cx 3 MK 1 - Years: 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023
Part: Onboard computer

Video tutorial

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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How to open the boot if it is stuck on a Mercedes B-Class?

On the Mercedes B-Class, the boot may become stuck, possibly due to a problem with the control button or the lock actuator. In this case, perform the emergency opening by following the simple procedure shown in this tutorial. First, unlock the locks with the remote control, then open the rear doors and, by operating the indicated lever, lower the backrest of the seat. Next, go inside the boot, locate the indicated gap, and manually unlock the lock using a small screwdriver.

Watch the video!


by ScegliAuto

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