TL* THE CONTACT OWNS A 2007 GMC ENVOY. WHILE THE VEHICLE WAS PARKED AND UNOCCUPIED, THE CONTACT OBSERVED CLOUDS OF SMOKE IN THE VEHICLE. THE CONTACT NOTICED THAT THE SWITCH ON THE DRIVER'S SIDE DOOR HAD MELTED. THE FIRE DEPARTMENT WAS NOT CALLED. THERE WERE NO VISIBLE FLAMES. THERE WERE NO INJURIES. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE VIN WAS NOT INCLUDED IN NHTSA CAMPAIGN NUMBER: 15V599000 (VISIBILITY). THE LOCAL DEALER WAS NOT CONTACTED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 115,000.