I TURNED LEFT WITH THE RIGHT-OF-WAY AT A STOP LIGHT. ONCOMING CAR FAILED TO BREAK, RAN A RED, AND HIT FRONT PASSENGER SIDE WHEEL WELL, ON-COMING BETWEEN 40 AND 45 MPH. FRONT AND PASSENGER SIDE AIRBAGS DEPLOYED, DRIVER SIDE DID NOT. UPON COLLISION, I JOLTED FORWARD AND AFTER WE STOPPED MOVING, I NOTICED THAT THE MALE BUCKLE WAS NO LONGER CONNECTED TO THE FEMALE BUCKLE IN MY (DRIVER-SIDE) APPARATUS. I CONSIDER MYSELF VERY LUCKY THAT I WASN'T HURT, AND AM NOT UNDER THE IMPRESSION THAT THE BELT IS DESIGNED TO OPERATE THAT WAY. *TR