I WAS DRIVING ON A STATE HWY ABOUT THREE MILES FROM HOME GOING 50 MPH. I WAS THE SOLE OCCUPANT IN THE VEHICLE WHEN I BEGAN TO SMELL SMOKE. I WAS ABLE TO PULL OFF THE HWY. AND TURN THE VEHICLE OFF. I OPENED MY DOOR AND OPENED THE HOOD FROM THE INSIDE. WHEN I DID, FLAMES AND SMOKE BEGAN TO SHOOT OUT FROM THE HOOD AND I HEARD A LOUD POP. I EXITED THE VEHICLE AND WITHIN SECONDS, THE WHOLE CAR WAS CONSUMED WITH FIRE. I CALLED 911 AND REPORTED A VEHICLE ON FIRE. THE FIRE DEPARTMENT AND EMS BOTH RESPONDED WITHIN MINUTES. THE FIRE DEPARTMENT WAS ABLE TO PUT OUT THE FIRE BUT NOT BEFORE IT WAS A COMPLETE LOSS. AFTER THE FIRE WAS EXTINGUISHED, I NOTED ALL THE DOORS AND THE HATCH HAD LOCKED AT SOME POINT DURING THE FIRE. I CONTACTED CUMBERLAND KIA WHERE I PURCHASED THE VEHICLE TO NOTIFY THEM OF WHAT HAPPENED AND THEY TOOK POSSESSION OF THE VEHICLE THAT AFTERNOON.