I WAS STOPPED AT A LIGHT WHEN THE CAR ACCELERATED ON ITS OWN, I PRESSED THE BRAKE BUT THE CAR WOULD NOT STOP . I HIT CAR THE CAR IN FRONT OF ME, I HAD TO PUT CAR IN NEUTRAL TO STOP THE CAR. CAR WAS TOWED TO DEALER, THE CAUSE WAS A INTERNALLY SHORTED THROTTLE BODY. THE THROTTLE BODY WAS REPLACED. THIS WAS THE THIRD TIME CAR ACCELERATED ON OWN AND WOULD NOT STOP. THE FIRST TWO TIMES MY MECHANIC COULD NOT FIND ANY PROBLEM.