The contactâs daughter owns a 2022 Chevrolet Trailblazer. The contact stated that while her daughterâs vehicle was idled at a stop, another vehicle crashed into the rear of the vehicle. As a result, the contactâs daughter crashed into the rear of another vehicle in front of her. The air bags failed to deploy. Medical attention was required. The contactâs daughter and the front passenger both sustained muscle soreness. A police report was filed. The vehicle was towed to the dealer however, no diagnosis was determined. The vehicle was not repaired. The manufacturer was notified of the failure and was advised to call the NHTSA Hotline. The failure mileage was unavailable.