TL*- THE CONTACT HAS A 2003 CADILLAC CTS WITH A CURRENT AND FAILURE ODOMETER READING OF 71000 MILES. THE CONTACT STATED THAT SHE WAS DRIVING UNDER COLD DRY CONDITIONS AT ABOUT 55 MPH, WHILE EXITING THE FREEWAY SHE NOTICES DARK SMOKE COMING FROM UNDER THE HOOD OF THE VEHICLE. THE CONTACT WAS ABLE TO REACH A PARKING LOT, AND WHEN SHE LIFTED THE HOOD SHE SAW FLAMES. THE FIRE DEPARTMENT CAME OUT AND EXTINGUISHED THE FIRE, BUT WERE UNABLE TO DETERMINE THE CAUSE OF THE FIRE. THE CONTACT HAD THE VEHICLE TOWED TO THE DEALER AND THEY ALSO HAVE BEEN UNABLE TO DETERMINE THE CAUSE.