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How do you reset the factory alarm on the 2003 Mazda 63.0 L so the car will start

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Mostly you can't. A security code is embedded in the system that prevents the engine starting and must be disarmed in order for the engine to start. The system disarms when the code embedded in the key or the fob is recognised.

When the system fails to work you need the assistance of trained professionals with dedicated diagnostic equipment.

Posted on Apr 30, 2017


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Posted on Jan 02, 2017


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