The contact owns a 2019 Nissan Sentra. The contact stated while at a complete stop, another vehicle going 40 MPH, crashed into the rear end of the vehicle, causing her vehicle to crash into the rear end of another vehicle. The air bags failed to deploy. There was no warning light illuminated. The contact hit her face on the steering wheel and sustained bruises on her face. The contact did not seek medical assistance. The vehicle was towed to a tow lot. The dealer was notified of the failure but did not provide any assistance. The vehicle was not diagnosed or repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 53,000.