AIRBAG MALFUNCTIONED AFTER A FRONT PASSENGER SIDE COLLISION. AIRBAG DID NOT DEPLOY, INSTEAD THE ENTIRE AIRBAG HOUSING UNIT CAME UNBOLTED FROM THE STEERING WHEEL, BECAME A PROJECTILE, STRUCK DRIVER AND DAMAGED STEERING WHEEL. AIRBAG UNIT, STEERING WHEEL, SPRING, AND CRUISE CONTROL ARM WERE REPLACED. DEALERSHIP KEPT FAULTY PARTS FOR INSPECTION. *TR