WHILE DRIVING AT 30 MPH THERE WAS A 4-CAR ACCIDENT, AND CONSUMER REAR ENDED THE 4TH CAR. BOUNCED OFF, AND THE CAR BEHIND CONSUMER'S, HIT IT AT ABOUT 40 MPH. THEN CONSUMER'S CAR HIT VEHICLE IN FRONT THREE TIMES. UPON IMPACT, AIR BAGS FAILED TO DEPLOY. DEALER SAID AIRBAGS SHOULD HAVE DEPLOYED AT 20 TO 25 MPH.*AK