TL* THE CONTACT OWNS A 2001 PONTIAC BONNEVILLE. THE CONTACT STATED THAT HE ATTEMPTED TO START THE VEHICLE BUT WHEN THE KEY WAS TURNED IN THE IGNITION, THERE WAS AN EXPLOSION FROM UNDER TO HOOD. THE CONTACT EXITED THE VEHICLE AND NOTICED THAT A FIRE HAD ERUPTED FROM UNDER THE HOOD. THE CONTACT WAS NOT INJURED. THE CONTACT STATED THAT THE FIRE DEPARTMENT EXTINGUISHED THE FIRE BUT WAS UNABLE TO DETERMINE THE ORIGIN OF THE FAILURE. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 180,000.