2001 PRIUS WAS PARKED IN GARAGE ~6HRS, FIRE STARTED AND SMOLDERED, APPARENTLY USING UP OXYGEN INSIDE THE CAR. I WENT IN THE GARAGE FOR SOMETHING ELSE, NOTICED THE HEADLIGHTS WERE ON AND OPENED THE CAR DOOR TO TURN THEM OFF. WHEN THE DOOR WAS OPENED, ACRID SMOKE POURED OUT, AND THE FIRE WAS GIVEN FRESH OXYGEN, AND IT TOOK OFF. WINDSHIELD CRACKED FROM HEAT, LEFT FRONT DASH MELTED. FIRE DEPT PUT OUT THE FIRE QUICKLY, BUT THE CAR IS RUINED AND THE CAUSE UNKNOWN. THANKFULLY NO DAMAGE TO GARAGE, HOUSE OR PEOPLE. I HAD SMELLED A FUNNY SMELL HOURS BEFORE, BUT THOUGHT IT WAS SOMETHING OUTSIDE, SO THE FIRE HAD BEEN SMOLDERING FOR SOME TIME. LIGHTS APPARENTLY WENT ON BECAUSE THE FIRE/HEAT HAD SHORTED SOMETHING. *TR