ON 3/15/2021, MY CAR SUDDENLY TURNED 90 DEGREE TO THE RIGHT UNDER AUTOPILOT ON HIGHWAY 210 WHEN HIT A PUDDLE. THE RAIN IS VERY SMALL. I THINK THE HIGHWAY HAS RISK AS ACCUMULATED A PUDDLE UNEXPECTED AT ALL. TESLA 3 HAS ISSUE AS WELL SINCE IT SHOULDN'T TURN 90 DEGREE. I WAS HIT BY A CAR AND THE CAR STOPPED. IF THERE WERE CONTAINER TRUCK BESIDES ME, I MIGHT DIE THAT DAY.