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We have been driving the Bolt for almost 2 weeks now and then suddenly since yesterday every time after we start the car, the OnStar voice would say "This vehicle is in Demonstration Mode, provided by OnStar 4G network...". I contacted OnStar twice about how to turn it off, both times were told...

Hi fellow Bolt owners, I got this "System Not Properly Grounded" error with solid red light on my factory 120 charger a few days after picking up the car. It's odd that I didn't get this for the first few charging sessions. Once red light is lit on the charger, charging stopped; I unplugged and...