As noted in previous statements this vehicle is difficulty at starting and cranking at various situation. Playing the radio with engine off, must wait ten minutes before attempting to start, then it may crank or you have to start over. Its not the radio its the ignition lock cylinder as done in the past. It doesn't matter, stop, or moving it has done all you mention, and with the lights off at night you can injured a pedestrian or ourselves. This car was recall and it was said to have been fix but here we stuck...
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here from 04/07/17 possibly will get help from the nearest gmc car dealer on 04/10/17. Keep all this information for official used only. Thanks updated 05/17/17*lj updated 07/25/2017*js