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How to reset the onboard computer of the Mazda 3?

Model: Mazda 3 BL, MK 2 - Years: 2009, 2010, 2011, 2012, 2013
Part: Warning light – error code

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To reset the onboard computer of the Mazda 3, remove the small trim panel located in the centre of the dashboard, just to the left of the display. Once this panel is removed, you will be able to locate the infotainment coding board, which needs to be extracted from its housing.

At this point, reinsert it to notice the software reset; once the reset operation is complete, close the panel and check that everything is functioning.


Updated on 14 October 2026 by ScegliAuto


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by ScegliAuto

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