I WAS PULLING INTO A PARKING SPACE WHEN ALL OF THE SUDDEN THE CAR STARTED TO ACCELERATE. I WAS PUSHING AS HARD AS I COULD ON THE BREAKS AND THEY WEREN'T WORKING. I THEN RAN INTO A TREE AND IMMEDIATELY PUT THE CAR INTO PARK. I HAD TO TURN THE CAR OFF BECAUSE IT WAS SMOKING. I AM NOT SURE IF THE ENGINE WAS STILL RUNNING AFTER I HIT THE TREE OR NOT. I KNOW THAT MY FOOT WAS FIRMLY PLANTED ON THE BRAKE, CHECKED TO SEE WHERE MY FEET WERE AFTER HITTING THE TREE AND TURNING THE CAR OFF. I HAVE NEVER HAD THIS HAPPEN BEFORE IN MY CAR. IT ONLY HAS 34000 MILES. IT HAS HAD REGULAR MAINTENANCE SUCH AS OIL CHANGE AND THE TIRES WERE REPLACED AT 25,000 MILES.