TL*THE CONTACT OWNS A 2002 CHEVROLET TRAILBLAZER. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 10 MPH, A SMOKE ODOR EMITTED INTO THE VEHICLE. THE VEHICLE WAS DRIVEN TO THE RESIDENCE AND PARKED WHEN THE CONTACT DISCOVERED BLACK SMOKE COMING FROM UNDER THE HOOD. THE CONTACT STATED THAT ALTHOUGH THE KEY WAS NOT IN THE IGNITION THE HEADLIGHTS WOULD NOT GO OFF AND THE VEHICLE SOUNDED AS IF IT WAS TRYING TO START WITHOUT THE KEY IN THE IGNITION. THE CONTACT EXTINGUISHED THE FIRE WITH A FIRE EXTINGUISHER. THE FIRE DEPARTMENT CAME AND FILED A REPORT. PRIOR TO THIS INCIDENT THE CONTACT STATED THAT WHILE STOPPED AT A RED LIGHT WITH THE BRAKES ENGAGED, THE ENGINE RPMS INCREASED AND THE VEHICLE JERKED WITHOUT WARNING. THE VEHICLE WAS NOT TAKEN TO THE DEALER. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 192,000.