WHILE DRIVING AT 50 MHP ANOTHER VEHICLE STOPPED IN THE MIDDLE OF THE HIGHWAY. WHEN APPLYING THE BRAKES, THE CONSUMER PUMPED THE BRAKES AND THE VEHICLE SLID INTO THE OTHER VEHICLE, REARENDING IT. UPON IMPACT, DRIVER'S AIR BAG DIDN'T DEPLOY UNTIL THE CONSUMER HIT THE STEERING WHEEL AND BROKE THE BIGGEST STERNUM BONE IN HER CHEST. ALSO, THE SHOULDER BELT DIDN'T HOLD THE CONSUMER. *AK