The contact owns a 2021 Dodge Durango. The contact stated that while her mother was driving approximately 20 MPH, the vehicle crashed into another vehicle that had slammed on its brakes. The contact stated that the proceeding vehicle then crashed into the rear of another vehicle. The contact stated that her mother was involved in a four-car pileup. The air bags did not deploy. A Police report was filed. The vehicle was towed to a lot. The contact's mother sustained arm and neck inquires. Medical attention was needed. The contact's mother received medical attention. The manufacturer was not notified of the failure. The failure mileage was 57,000.