CAR SUDDENLY ACCELERATES WITHOUT FOOT BEING ON ACCELERATOR. BRAKING DOES NOT STOP THE VEHICLE. THIS HAS HAPPENED 3 TIMES IN LAST TWO YEARS WITH DAMAGE TO FRONT OF VEHICLE TIMES TWO. PAST INCIDENT RESULTED ONLY IN SOME SCRATCHES. WE CHECKED WITH DEALER FOR OTHER REPORTS AND WAS TOLD THERE HAD BEEN NONE. ALL THREE TIMES THE BRAKE HAD BEEN APPLIED BECAUSE WE WERE ATTEMPTING TO PARK THE CAR