I WAS PULLING INTO A PARKING SPACE AND AS I WAS GRADUALLY HITTING THE BRAKES, THE CAR STARTED TO ACCELERATE ON ITS OWN AT HIGH SPEED HITTING THE FENCE IN FRONT. I AM SURE THAT I DID NOT HAVE MY FOOT ON THE GAS. I HIT THE BRAKES AND IT WAS OF NO USE. AFTER HITTING THE FENCE THE CAR STOPPED AS I SHIFTED TO NEUTRAL. I AM SCARED TO DRIVE THE VEHICLE.