I WAS A PASSENGER IN MY CAR AND MY BOYFRIEND WAS DRIVING ON THE HIGHWAY 101 (NORTHBOUND) IN SAN FRANCISCO AND WERE STRUCK BY ANOTHER VEHICLE FROM THE REAR ABOUT 20-30 MPH. NEITHER AIRBAG WENT OFF FROM THE COLLISION, CAUSING ME TO HIT MY HEAD ON THE DASH AND MY BOYFRIEND HITTING HIS LEGS ON THE DASH AND STEERING CONSOLE. THE AIRBAG LIGHT IS ON INDICATING IT WAS DEPLOYED AND THE REPAIR SHOP IS INFORMING US THAT IT HAS TO BE REPLACED. *TR