STOPPED WITH MY FOOT ON THE BRAKE WAITING TO PULL OUT ON THE HWY. I HAD BEEN THERE ALREADY ABOUT 1 MINUTE, WHEN ALL OF A SUDDEN THE CAR ACCELERATED WHICH CAUSED ME TO HIT THE VEHICLE IN FRONT OF ME (18 WHEELER). IT WAS AS IF YOUR CAR IS IN PARK AND YOU REV YOUR ENGINE. IT WOULDN'T STOP WITH THE BRAKES. IT SEEMED I HAD NO CONTROL OF MY VEHICLE AND IT TOOK OFF ON ITS OWN. I HAVE SINCE READ OTHERS HAVING SIMILAR EXPERIENCES OF "TAKING OFF" OR GOING FROM 2 RPM TO 4 WITHOUT THEIR FOOT BEING ON THE GAS. I ALSO REQUESTED THE DEALERSHIP TO CHECK FOR ANY REASON THIS MAY HAVE HAPPENED BESIDES FIXING THE DAMAGE TO THE VEHICLE.