The contact owns a 2008 Mitsubishi Eclipse. The contact stated that while driving at 60 MPH, for unknown reasons, he veered off the road, traveled over a hill, and crashed into a dirt pile. The steering wheel air bag failed to deploy. The contact had previously unplugged, the passenger seat air bag. The air bag and check engine warning lights were illuminated. After the crash, the curtain and driver's seat air bag were deployed. The contact noticed the passenger's side rear tire was low and had a slash in the side wall. The contact sustained whiplash and pain, and medical attention was provided. The vehicle was towed to his residence. There was no reported fire or police report. The local dealer was not contacted. The vehicle was not diagnosed or repaired. The manufacturer was contacted, but no assistance was provided. The failure mileage was approximately 160,000.