THE CAR WAS OFF AND PARKED IN OUR DRIVEWAY. WHEN THE KEY WAS PUT IN THE IGNITION AND TURNED ON, A LARGE EXPLOSION UNDER THE HOOD OCCURRED. THE CAR WAS IMMEDIATELY TURNED OFF AND SMOKE STARTED COMING OUT FROM UNDER THE HOOD. AFTER OPENING THE HOOD, SAW THE ENGINE WAS ON FIRE SO PUT IT OUT WITH A FIRE EXTINGUISHER. REALLY HEAVY GAS SMELL INSIDE THE CAR TODAY (1 DAY LATER)