I WAS BACKING UP & SLIGHTLY HIT A CEMENT PILLAR, CAUSING NO DAMAGE TO MY VEHICLE'S BACK BUMPER. I PUT THE VEHICLE IN DRIVE TO MOVE SLOWLY FORWARD INTO THE PARKING SPACE I HAD LEFT SO THAT I COULD CHECK THE DAMAGE. THERE WAS ONLY ABOUT 8-10 FEET BETWEEN THE PILLAR AND THE PARKING SPACE. THE CAR JUST TOOK OFF ON ITS OWN AT A VERY FAST SPEED. I WAS UNABLE TO STOP THE CAR EVEN WHILE STEPPING ON THE BRAKE AND HAD NO CONTROL OVER THE CAR. IT HIT A SIGN AND TREE CAUSING APPROX. $5600 DAMAGE TO MY VEHICLE. I BELIEVE THERE COULD BE A DEFECT IN THE GAS PEDAL CONNECTION. (I CHECKED AFTER THE ACCIDENT TO SEE IF PERHAPS A CAR MAT HAD GOTTEN UNDER THE PEDAL, BUT THE MAT WAS ATTACHED TO THE FLOOR HOLDER WHERE IT BELONGED.) I AM CONCERNED THIS COULD HAPPEN TO SOMEONE ELSE AND CAUSE A FATALITY. *TR