The contact owns a 2019 Subaru Outback. The contact stated that while driving at a slow rate of speed and parking the vehicle suddenly experienced unintended acceleration causing the driver to lose control and crash into a brick wall. During the incident, the brake pedal was pressed but the vehicle did not stop. The driver sustained a left shoulder injury. A police report was taken at the scene. The vehicle was not yet towed. A police report was taken at the scene. The cause of the failure was not determined. The contact indicated that previously the vehicle had experienced unintended acceleration problems while driving at highway speeds with and without cruise control activated. In addition on several occasions, the collision avoidance system had erroneously activated while driving at highway speeds. The vehicle was taken to the local dealer who was unable to duplicate the failures and no service was performed. The manufacturer was notified of the failures. The failure mileage was 24,000.