TL* THE CONTACT OWNS A 2012 HYUNDAI SONATA. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 35 MPH THE CONTACT SMELLED A BURNING ODOR. THE VEHICLE SUDDENLY STALLED. THE CONTACT NOTICED SMOKE COMING FROM UNDERNEATH THE HOOD. AFTER INSPECTING THE VEHICLE THE CONTACT NOTICED THE FUSE BOX WAS ON FIRE. THE CONTACT WAS ABLE TO EXTINGUISH THE FIRE OUT. THE VEHICLE WAS TOWED TO THE DEALER FOR DIAGNOSTIC TESTING. THE TECHNICIAN WAS UNABLE TO DIAGNOSE THE CAUSE OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE APPROXIMATE FAILURE MILEAGE WAS 23,000.