MY 2004 CADILLAC CTS WAS HIT FROM BEHIND, CAUSING ME INJURIES AND EVENTUALLY SURGERY AND DISABILITY. THE AIR BAG DID NOT DEPLOY- MY HEAD HIT THE STEERING WHEEL, RATHER HARD. I TRADED THIS VEHICLE IN LAST YEAR. SHOULD THE AIR BAG HAVE DEPLOYED? I THINK IF IT HAD, I WOULD NOT HAVE SUSTAINED THE INJURIES. *TR