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  1. Fixing high-pitched noise source

    Problems, Driver Warnings or DTCs - Chevy Volt
    In searching for my first [used, Gen 1] Volt, four of the five 2012-14’s I’ve driven have had the very annoying high-pitched ~12 kHz ambient whine during Hold/Regen, even with the rear load decks properly seated. I gather from many threads that most attribute the noise source to the APM (DC-DC...
  2. Bluetooth Phone Connection rings and broadcasts voice at half speed

    Generation 2 Volt (2016-2020)
    I have a 2017 Volt Premier. This may be an unusual problem, but sometimes, most likely when I've first started driving, I'll make a cell phone call through the radio, and the person's phone is ringing at half the speed and pitch as normal, and when they answer, the speed of their voice is also...
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