ACCIDENT ON 4/25/14 AFTER MY 2006 GMC ENVOY SHUT OFF COMPLETELY WHILE I WAS MAKING AN LEFT HAND TURN. I INFORMED GMC OF IT BUT GOT NO RESPONSE. THE VEHICLE HAS BEEN DOING THIS FOR THE PAST 6 MONTHS. I HAVE CONTACTED GMC SINCE THE ACCIDENT AND STILL HAVE GOTTEN NO RESPONSE. *TR