TL* THE CONTACT'S DAUGHTER OWNS A 2008 BUICK ENCLAVE. THE CONTACT STATED THAT WHILE HER DAUGHTER'S BOYFRIEND WAS DRIVING UP A HILL AT AN UNKNOWN RATE OF SPEED, A FLAME HAD IGNITED FROM THE ENGINE WITHOUT WARNING. HER BOYFRIEND EXITED THE VEHICLE, CHECKED UNDER THE HOOD AND SAW THAT THE ENGINE WAS ON FIRE. A FELLOW MOTORIST WITNESSED THE SITUATION AND ASSISTED HER DAUGHTERS BOYFRIEND BY GIVING HIM A FIRE EXTINGUISHER WHICH THE BOYFRIEND USED TO EXTINGUISH THE FIRE. A FIRE REPORT WAS NOT FILED AND NO INJURIES WERE REPORTED. THE CONTACT'S DAUGHTER HAD THE VEHICLE INITIALLY TOWED TO THE CONTACT'S HOME WHERE IT WAS THEN TOWED TO INDEPENDENT MECHANIC. THE MECHANIC INFORMED THE CONTACT THE CAUSE OF THE FIRE WAS DUE TO A "MECHANICAL DEFECT" AND WAS GIVEN AN ESTIMATE FOR A REPAIR. THE MANUFACTURER NOR THE DEALER HAD YET TO BE NOTIFIED OF THE FAILURE. THE VEHICLE HAD YET TO BE REPAIRED. THE FAILURE MILEAGE WAS APPROXIMATELY 95,000.