STOPPED ON HIGHWAY DUE TO POLICE ACTIVITY. VEHICLE WAS STRUCK FROM BEHIND AT 40 MPH CAUSING THE SEATS TO COLLAPSE FOLLOWED BY A FRONT-SIDE COLLISION IN WHICH THE AIR BAGS FAILED TO DEPLOY. THERE WERE NO CONSEQUENCES OF THE FAILURE AND THE PART WAS NOT REPLACED DUE TO THE TOTAL LOSS OF THE VEHICLE. *JB