To unlock the radio in your Mazda Soho, follow these steps:
Press the following buttons in sequence:
Preset 6
AM
Auto M
Seek ^ (up)
Input the number 4989.
Press and hold the Auto M and Preset 6 buttons together.
The word 'GOOD' will appear on the screen, indicating that the radio is ready to work.
Finally, reprogram the new antitheft code into the radio as per the instruction manual.
Mazda Radio code reset - Mazda Forum - Mazda Enthusiast Forums
i have a ford mazda b3000 with a po300 code
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