The contact owns a 2021 Toyota Rav4. The contact received notification of NHTSA Campaign Number: 23V865000 (Air Bags) however, the part to do the recall repair was unavailable. The contact stated that the manufacturer exceeded a reasonable amount of time for the recall repair. The contact stated that while driving at approximately 35-40 MPH with traffic ahead slowing down, the vehicle registered the traffic information as an immediate stop ahead and the braking system engaged along with the contact depressing the brake pedal to slow the vehicle down. Upon coming to a stop, a pick-up truck rear-ended the vehicle 3 - 4 times. No air bags deployed. The driver's front seat belt failed to retract during the impact to safely secure the driver. The contact sustained injuries to her knees, shoulders, and arms. The front passenger sustained bruises from the seat belt. The rear passenger sustained head and back injuries. All 3 occupants received medical attention via ambulance to the Emergency Room. A police report was filed. The vehicle was towed due to it being undrivable. The insurance company was currently inspecting the vehicle. The vehicle was not diagnosed or repaired. The dealer was not contacted. The manufacturer was not made aware of the failure. The failure mileage was 60,000. VIN tool confirms parts not available.