I WAS NEARLY FINISHED PARKING MY CAR WHEN THE CAR SPED UP, WENT OVER A CONCRETE CURB STOP, HIT AND KNOCKED OVER A SIGN POST. I RECALL THE ENGINE REVVING WHEN THIS HAPPENED. I STOMPED ON THE BRAKE PEDAL AND THAT STOPPED THE CAR. THIS IS THE FIRST TIME THIS HAS HAPPENED IN THE 12 YEARS I'VE OWNED THE VEHICLE BUT IT WAS SCARY.