I WAS PARKING MY CAR AT APARTMENT'S PARKING LOT BY RIGHT TURNING. I WAS DRIVING REALLY SLOW ABOUT 5MILES/HR.MY FOOT WAS ON THE BREAK PEDAL AND AS I PRESS THE BREAK TO SLOW MY CAR FURTHER IT GOT ACCELERATED (WITH RAVING ENGINE NOISE) AND HIT FRONT PARKING FENCE AS WELL AS PARKED CAR RIGHT TO ME. I MOVED THE AUTOMATIC GEAR STICK TO PARKING POSITION AND ABLE TO STOP THE CAR. I TALKED WITH MY CAR MAKER AND THEY LOOKED AT IT AND PREPARED A REPORT IN 10 WEEKS. ACCORDING TO THEM WEATHER MAT MIGHT BE THE CAUSE OF THIS PROBLEM.BUT I DO NOT THINK WEATHER MAT MOVED FROM ITS PLACE DURING INCIDENT. I AM REALLY SCARED TO DRIVE THIS CAR AGAIN SPECIALLY MY CAR MANUFACTURER DOESN'T SEEMS TO FIND THE REAL CAUSE OF PROBLEM. I THINK MY VEHICLE HAD AN ELECTRICAL MALFUNCTION THAT CAUSES THE VEHICLE TO CONTINUE ACCELERATING EVEN MY FOOT WAS ON BREAK.