UNINTENDED ACCELERATION OF 2018 TESLA MODEL 3. ISSUE DESCRIPTION: ISSUE OCCURRED ON 05/04/18 AT APPROX. 11:52 AM WHILE TRYING TO PARK THE VEHICLE IN A PARKING LOT OF A GROCERY STORE. THE VEHICLE WAS IN THE PARKING SPACE POSITION WHEN IT SUDDENLY ACCELERATED WITHOUT ANY INPUT FROM THE DRIVER. THE BRAKES WERE APPLIED HOWEVER THEY FELT INOPERATIVE. IT FELT AS THOUGH THE DRIVER HAD NO CONTROL OVER BRAKING AND THE VEHICLE HAD A MIND OF ITS OWN. THE DRIVER TURNED THE STEERING WHEEL TO AVOID DIRECTLY HITTING A DUMPSTER WHILE TRYING TO BRAKE. THE PASSENGER SIDE OF THE VEHICLE THEN HIT A CURB AND A PONY WALL. AFTER THE IMPACT, THE DRIVER WAS ABLE TO TURN THE VEHICLE WHILE APPLYING THE BRAKES THAT EVENTUALLY BROUGHT THE VEHICLE TO A STOP. PROBABLE CAUSE: UNKNOWN. GIVEN THE VEHICLE IS NEW, IT IS DIFFICULT TO IDENTIFY A REASON WHY WOULD IT ACCELERATE UNINTENTIONALLY. THE VEHICLE IS EQUIPPED WITH ENHANCED AUTO PILOT WHICH WAS NOT ENGAGED AT THE TIME OF INCIDENT. THE NIGHT PRIOR TO THE INCIDENT THE VEHICLE DISPLAYED SOFTWARE GLITCH WHERE IN IT WOULD NOT CONTROL THE VOLUME OF THE RADIO WHILE DRIVING WITH THE BUTTONS ON THE STEERING WHEEL AND WAS STUCK IN CONTROLLING THE STEERING WHEEL POSITION. CAR IS RUNNING SOFTWARE VERSION 8.1 (2018.14.13 9E3B7FF)