TL* THE CONTACT OWNS A 2005 TOYOTA 4RUNNER. WHILE OPERATING THE VEHICLE, AN ELECTRICAL BURNING ODOR WAS PRESENT. AFTER STOPPING TO INSPECT THE VEHICLE, THE REAR WINDOW SUDDENLY SHATTERED. WHILE REPLACING THE WINDOW, THE CONTACT DISCOVERED MELTED AND CHARRED HEATER WIRES THAT WERE CONNECTED TO THE REAR WINDOW. THE CAUSE OF THE FAILURE WAS NOT DIAGNOSED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 216,000.