Tl* the contact owns a 2015 ford mustang. while the vehicle was parked on an incline with the emergency brake engaged, the vehicle rolled away in reverse into a ditch and crashed into a retaining wall. the air bags failed to deploy. there were no injuries and a police report was filed. the vehicle was towed from the crash scene to a dealer. the vehicle was not diagnosed or repaired. the manufacturer was notified of the failure. the failure mileage was 11,800.