The contact owned a 2021 Kia Sorento. The contact stated that while driving 15-20 MPH and making a quick left turn to avoid a truck that did not have the right-of-way, another vehicle crashed into the driver's side door of the vehicle. The driver's side curtain air bags deployed. The front driver's seat air bag deployed but failed to inflate. The front passenger's side seat belt retracted even though the front passenger's side seat was not occupied. There was no injury sustained. No police report was filed. Both drivers were able to drive away from the scene. The vehicle was taken to an autobody repair shop, where an estimate of the damage sustained was provided. The vehicle was totaled by the insurance company. The dealer was not contacted. The manufacturer was notified of the failure and informed the contact that the front driver's seat air bag and the front passenger's side seat belt operated as designed. The failure mileage was approximately 49,000.