I WAS TRAVELING 55MPH BEHIND A VEHICLE WHO SUDDENLY SWERVED OUT OF THE WAY INTO THE RIGHT HAND LANE. THERE WAS A CAR STOPPED IN THE LEFT HAND LANE, UNABLE TO STOP IN TIME I STRUCK THE BLACK JEEP LIBERTY IN THE REAR BUMPER MORE TOWARD THE DRIVER SIDE WITH THE THE PASSENGER FRONT BUMPER OF MY CAR. ( KIA OPTIMA) MY AIR BAG DID NOT DEPLOY AND I DID STRIKE MY HEAD, ALTHOUGH I AM NOT SURE IF I HIT IT ON THE WINDSHIELD OR ON THE GLASS TOP. MY CONCERN IS MY SEATBELT DID NOT ENGAGE PROPERLY ALLOWING ME TO STRIKE MY HEAD. AND AGAIN THAT THE AIRBAGS DID NOT DEPLOY. *TR