The contact owned a 2024 Mazda CX-5. The contact stated that while the contact's daughter was driving at an undisclosed speed, the contact's vehicle was rear-ended. The front driver's side seat belt restraint did not function as intended. The contact's daughter was pushed forward out of the front driver's seat without restraint. The contact stated that the driver's side headrest detached due to the impact, and the back of the front driver's side seat fractured and detached. In addition, the air bag did not deploy. The vehicle was towed to a local tow yard. The vehicle was condemned as a total loss by the insurance company. A Police report was filed. The contact's daughter was transported by ambulance to the local medical center. The contact's daughter sustained injuries to the right arm and right leg, severe back pain, massive headaches, and whiplash. The manufacturer was made aware of the failure but provided no assistance. The failure mileage was unknown.