The contact owns a 2017 Kia Sportage. The contact stated that while driving at 30-35 MPH, another vehicle crashed into the rear end of her vehicle. The air bags failed to deploy. The contact was unsure whether there was a warning light illuminated. The contact was transported to the hospital with the assistance of a family member. The contact sustained a concussion, jaw and back injuries. A police report was filed. The vehicle was towed to a tow lot, where it was totaled. The dealer was notified of the failure and referred the contact to the manufacturer. The manufacturer was notified of the failure and advised the contact that the air bags do not always deploy in the event of a crash; therefore they could not assist. The failure mileage was approximately 66,000.