LEAVING THE PARKING LOT AT WALGREEN IN TONAWANDA,NY. I WAS BACKING OUT WITH MY FOOT ON THE BRAKE. PUTTING THE CAR IN DRIVE.THE CAR LEAPED INTO A VERY HIGH ACCELERATED SPEED LIKE A JET WITH THE ENGINE RACING. THE BRAKE DID NOT HELP. THE CAR HIT THE BARRIER BETWEEN THE SIDEWALK AND THE STORE AND THE ENGINE BURST INTO FLAMES.THE DISTANCE WAS ONLY A MATTER OF YARDS.THE AIRBAGS AND SEAT BELT KEPT ME FROM GOING THRU THE WINDSHIELD THE FORCE OF THE CRASH TOTALED THE CAR. THERE WAS NO ONE IN THIS AREA OF THE PARKING LOT THANK GOODNESS IT WAS 10AM SUNDAY MORNING. I DO NOT KNOW WHO CALLED THE FIRE DEPT AND POLICE.. THIS IS A VERY SERIOUS PROBLEM. THIS SITUATION HAPPEN SO FAST YOU DON,T HAVE TIME TO BLINK. I AM NOW LEFT WITH NO CAR AND A TWISTED BACK.