The contact owns a 2019 Subaru Outback. The contact stated that while driving approximately 20-25 MPH, the vehicle started reversing unintendedly while the gear shifter was in drive(D). The contact stated that the vehicle reversed on a steep road, drove onto a curb, and onto the poles that were lying down, and the vehicle stopped. The air bags did not deploy. The contact sustained pain on the right side of the lower back but had not yet received medical assistance. The vehicle sustained damage. The vehicle was towed to the Executive Auto Body repair shop. A police report was filed. The dealer was not contacted. The vehicle was not diagnosed or repaired. The manufacturer was notified of the failure, and a case was filed. The failure mileage was approximately 55,000.