WHILE ATTEMPTING TO PARK MY TESLA S75 D IN A COSTCO SPACE, THE CAR BOLTED. IT FELT LIKE IT WAS IN AUTOPILOT MODE WITHOUT ME ENGAGING IT MANUALLY. I SLAMMED ON THE BRAKES. IT HIT THE REAR BUMPER OF THE CAR PARKED IN FRONT. FORTUNATELY, IT DIDN'T DO ANY DAMAGE TO THAT VEHICLE BUT IT CAUSED PLENTY OF DAMAGE TO MY FRONT END. I'LL NEED A NEW BUMPER AND HOOD. IT ALSO DEACTIVATED MY AUTOPILOT AND RADAR WHICH ARE BEHIND THE BUMPER. I CAN STILL DRIVE THE CAR AND FEEL FAIRLY SAFE AS I BELIEVE THE COMPUTER ACCIDENTALLY ENGAGED THE AUTOPILOT AND NOW THE AUTOPILOT ISN'T OPERATIONAL. HOWEVER, I NO LONGER TRUST THIS CAR. I'VE PRESENTED THIS PROBLEM TO TESLA AND THEY SAID IS WAS USER ERROR BUT THERE IS ABSOLUTELY NO DOUBT IN MY MIND THAT I WAS NOT AT FAULT. I'VE DONE RESEARCH AND THERE IS A CLASS ACTION LAWSUIT IN THE WORKS AS THIS HAS HAPPENED TO OTHER TESLA USERS. MY ADVISE, DON'T BUY A TESLA!!!!!