ON FEB 26, 2015 I TURNED LEFT INTO MY BANK GOING MAYBE 5 MPH. THEN I TURN LEFT AGAIN INTO A PARKING SPOT. I PUT ON MY BRAKE TO STOP AND THE ENGINE STARTED ROARING AND PUSHING THE BRAKE WITH BOTH FEET THE CAR WOULD NOT STOP. GOING ABOUT 7 TO 10 FEET UP CURB AND BUMPING INTO A FLOWER BARREL PLANTER. AS SOON AS IT HIT SOMETHING THE CAR DISENGAGED AND I WAS ABLE TO STOP CAR AND PUT IN REVERSE. LOWER FRONT END DAMAGE OCCURRED. IT HAPPEN ONE OTHER TIME LAST AUGUST 2014. I WAS PULLING INTO A GAS STATION AND THE SAME THING. ENGINE ROARING AND WOULDN'T STOP WITH BOTH FEET PUSHING HARD ON THE BRAKE. THE CAR STOPPED WHEN IT BUMPED INTO THE STEP UP THAT THE GAS PUMPS WERE ON ALLOWING ME TO BACK UP AND DRIVE AGAIN. NO DAMAGE OCCURRED. *TR