The contact owns a 2020 Tesla Model 3. The contact stated while driving in the rain with the autopilot engaged the vehicle accelerated without warning and was incontrollable, flipped two times, and hit the curb. The contact sustained neck injuries and medical attention was provided at the hospital. All the air bags deployed. There was no reported fire. A police report was filed. The vehicle was towed to an independent body shop. The local dealer was contacted who referred the contact to the body shop. The vehicle was not diagnosed or repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 29,000.