CAR WAS IN DRIVE IN A PARKING LOT, WHEN ACCELERATOR PEDAL WAS PUSHED IT STUCK AND WOULD NOT RELEASE, CAR SPED AT A HIGH RATE OF SPEED EVEN WITH BRAKE AND EMERGENCY BRAKE ON. I TRIED TAKING CAR OUT OF GEAR AND IT WENT INTO REVERSE AT A HIGH RATE OF SPEED. FINALLY I WAS ABLE TO TURN CAR OFF BUT I AM SCARED TO DRIVE IT.