2010 Toyota RAV4 seat belts problems

Tl* the contact owned a 2010 toyota rav4. While at stop sign, another vehicle rear ended the contact's vehicle. A third vehicle struck the front end of the contact's vehicle. The air bags did not deploy and the seat belt unhooked independently. A police report was filed. The driver sustained mouth injuries from hitting the steering wheel, as well as neck, back, and wrist injuries. Medical attention was required. The cause of the failure was not determined. The manufacturer was not notified.

Putting into a parking stall (at a rest stop)with foot on the brake pedal,the rav4 acceelerated at a high speed,only stopped after hitting a sign pole,still accelating ,only stopped by turning motor off with ignitoin key.the air bags did not activate with $8809 in damage .this vehicle has 2 recalls on the accelleration problem,1 on the rear suspension. Also rear middle seat belt not working and tire pressure continous to not function ather being fixed.