WHILE PARKING MY 2010 SUBARU FORESTER SUDDENLY ACCELERATED CAUSING IT TO JUMP OVER A CURB SIDESWIPING A HEDGE JUMPING ANOTHER CURB THEN HITTING A LARGE RAM 150 TRUCK. THE WHOLE TIME I WAS STANDING ON THE BRAKES TRYING TO AVOID PARKED CARS. UPON IMPACT THE ENGINE WAS STILL RUNNING AT HIGH RPM'S. AFTER SHUTTING IT OFF I LOOKED TO SEE IF THE MATS WERE THE CAUSE AND THEY WERE NOT. COULD NOT DETERMINE WHAT THE CAUSE OF ACCELERATION. THERE WAS OVER $12.000 DAMAGE TO THE FORESTER.