VEHICLE INVOLVED IN A REAR COLLISION OF 45 MPH IMPACT WHILE WAITING TO MAKE A LEFT TURN. UPON IMPACT, BOTH AIR BAGS FAILED TO DEPLOY. ALSO, DRIVER'S SEATBACK REST COLLAPSED, CAUSING DRIVER TO LOSE CONTROL AND COLLIDE INTO ONCOMING TRAFFIC. VEHICLE WAS TOTALED DUE TO ACCIDENT. DEALER NOTIFIED. *AK