TL* THE CONTACT OWNS A 2008 BUICK ENCLAVE. WHILE DRIVING APPROXIMATELY 15 MPH, THE ENGINE WARNING LIGHT ILLUMINATED ON THE INSTRUMENT PANEL. THE CONTACT NOTICED BLACK SMOKE COMING FROM UNDER THE HOOD. THE CONTACT STOPPED THE VEHICLE ON THE SHOULDER OF THE ROAD AND THE VEHICLE SUDDENLY STALLED. THE VEHICLE WAS TOWED TO AN AUTO REPAIR SHOP WHERE THE MECHANIC REFERRED THE CONTACT TO THE DEALER FOR FURTHER ASSISTANCE. THE VEHICLE WAS NOT TAKEN TO THE DEALER NOR REPAIRED. THE VIN WAS NOT AVAILABLE. THE APPROXIMATE FAILURE MILEAGE WAS 92,000.