The contact owned a 2017 Toyota Prius Prime. The contact stated after the vehicle was in the park position and exiting, the vehicle accelerated on its own in reverse. The contact mentioned when she parked, the front tires pointed towards a curb which allowed her to get inside the vehicle and to depress the brake pedal. The vehicle continued accelerating, crashed into two trees on the front driver's side and front passenger side, jumped the curve, and crashed into a fence where the vehicle came to a stop. The contact mentioned that she was a professional driver for a living and assured that the failure was not a user error. A police report was not filed due to the incident occurring on her property. No injuries were sustained. A Toyota representative inspected the vehicle at the contact's residence to diagnose the vehicle but the results were not available. The unknown local dealer was contacted. The vehicle was not repaired. The vehicle was traded in at the dealer and the contact no longer owns the vehicle. The contact mentioned that after the failure incident, an unknown manufacturer recall was opened related to unintended acceleration. The manufacturer was notified of the failure and opened a case. The failure mileage was unknown.