The contact's partner owned a 2022 Chevrolet Colorado. The contact stated that upon placing the vehicle into park, he went into a store while his partner remained in the vehicle with the engine running. The vehicle began to roll back as an abnormal, whining sound began to emit from the transmission. As the vehicle began to roll over a curb and into some grass, the passenger attempted to exit the vehicle but was unsuccessful. The vehicle continued to roll back as the vehicle into the telephone pole which caused the vehicle to come to a stop. The air bags did not deploy upon impact. The contact stated that the air bag, seat belt, and the service safety restraint warning lights appeared on the instrument panel. The passenger was taken to the hospital by ambulance where she was treated for a head and neck injury. A police report was filed. The contact was able to secure the damaged front passenger side door with a bungee cord and drove the vehicle home. The manufacturer was notified about the failure and a report was filed; a resolution of the failure had yet to be determined. The vehicle had yet to be diagnosed for the cause of the failure; however, upon investigation, the contact believed that the failure was the result of a park to reverse defect. The vehicle had been deemed a total loss by an insurance adjuster and was destroyed. The failure mileage was approximately 7,950.