DT: LAST WEEK WHILE IN PARK THE VEHICLE ROLLED BACKWARDS. THE VEHICLE WAS PARKED ON FLAT GROUND. THE CAR WAS PARKED OUTSIDE OF HOME.THERE ARE NO WARNING LIGHTS TO INDICATE A PROBLEM. THE VEHICLE ROLLED DOWN AND IMBANKMENT.THE PARKING BRAKE WAS NOT SET. . IT SHOWED THAT THE VEHICLE WAS STILL IN PARK WHEN THE OWNER GOT BACK IN IT. THERE WAS DAMAGE TO THE VEHICLE. THE DEALERSHIP WAS CONTACTED, WHO WAS CONSULTING GM TO SEE IF THEY WERE ABLE TO WORK WITH OWNER. OWNER HAS NOT SPOKEN WITH GM. THE OWNER IWAS NOT AWARE OF WHETHER OR NOT THERE WILL BE COSTS INCURRED BY THIS INCIDENT. OWNER FOUND AN OLD RECALL ON INTERNET, BUT HAS ALREADY CHECKED, AND THERE WAS NO RECALL ON THIS VEHICLE. THE OLD RECALL NUMBER WAS NOT AVAILABLE.*AJK