USING THE SELF-PARK SYSTEM, FROM A STATIONARY POSITION AND PRESSING THE TOUCH SCREEN PROMPTS TO USE THE SELF-PARK, AND HAVING HANDS AND FEET AWAY FROM THE GAS, BRAKE AND STEERING WHEEL, AND PARKING BETWEEN TWO CARS, THE CAR ACCELERATED BACKWARD ON ITS OWN AND I HAD TO SLAM MY FOOT ON THE BRAKE TO STOP IT BUT IT STILL HIT A POLE GOING IN REVERSE AND DAMAGED THE BODY OF THE CAR. HAD I NOT HIT THE BRAKE MY SON AND I WOULD HAVE BEEN INJURED. TESLA HAS DENIED RESPONSIBILITY.