IN JANUARY OF 2005, I WAS DRIVING MY 2005 HYUNDAI SANTA FE 3.5L GLS. I STOPPED AT A LIGHT AND REMAINED STOPPED FOR A WHILE. SUDDENLY, THE VEHICLE ACCELERATED AND DESPITE DEPRESSING THE BRAKES, I COULD NOT STOP IT FROM LUNGING FORWARD. I HAD TO QUICKLY GET IT OUT OF GEAR TO MAKE IT STOP, AND FORTUNATELY DID NOT HIT ANYONE. I TOOK IT TO ROWE HYUNDAI IN WESTBROOK, MAINE (WHERE I BOUGHT IT) AND THE SERVICE DEPARTMENT SAID THEY COULD NOT DUPLICATE IT NOR COULD THEY IDENTIFY THE PROBLEM. ON 2-22-05, I WAS STOPPED AT A STOP SIGN WITH MY FOOT ON THE BRAKE, WHEN SUDDENTLY THE ENGINE ACCELERATED QUICKLY AND LOUDLY. I DEPRESSED THE BRAKE HARDER YET COULD NOT STOP THE VEHICLE FROM LUNGING FORWARD. BEFORE I COULD GET IT OUT OF GEAR, IT REAR-ENDED THE PERSON PARKED IN FRONT OF ME. THIS CAUSED DAMAGE TO BOTH VEHICLES. I HAD IT TOWED TO THE DEALER AND HAVE CONTACTED HYUNDAI MOTOR AMERICA ABOUT THIS.