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  1. Radio TONE settings reset each night

    Newcomers to GM-VOLT.COM (See here for FAQs)
    Does anyone know how to keep the radio tone settings from resetting each night? I adjust the bass, mid and treble in the morning and the settings stay set all day even though I turn the car off and on. However, at night when I plug in the car to charge the battery, I wake up in the morning to...
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