The contact owned a 2020 Chevrolet Traverse. The contact stated that while driving at approximately 35 - 40 MPH, the contact rear-ended another vehicle. The driver's side front seat belt pre-tensioner was loose and did not restrain the contact in the seat upon impact. The air bags were deployed upon impact. The contact suffered bruising on her chest, a lacerated thumb, and a fractured elbow from the air bag deployment. Medical attention was received. A police report was filed. The vehicle was towed to a tow yard and deemed totaled by the insurance company. The manufacturer was not made aware of the failure. The failure mileage was approximately 25,500.