DURING A HEAD ON COLLISION INVOLVING THE PASSENGER FRONT ENDS OF BOTH VEHICLES TWO OF THREE SEATBELTS DID NOT ENGAGE, CAUSING TWO PASSENGERS TO COLLIDE WITH THE DASHBOARD AND THE REAR OF THE FRONT SEAT. AIR BAGS DID NOT DEPLOY AS WELL. THE RAV 4 WAS TRAVELING AT ABOUT 10-15 MPH, THE OTHER VECHICLE WAS TRAVELING AT ABOUT 40-45 MPH.*AK