WHILE TRAVELING 30MPH ANOTHER VEHICLE PULLED OUT IN FRONT. GMC "T" BONED THE VEHICLE. UPON IMPACT, NEITHER AIR BAG DEPLOYED. PASSENGER WAS LEANING FORWARD AT TIME & THE SEAT BELT HAD BECOME SLACK. PASSENGER HIT HEAD ON WINDSHIELD. THE DRIVER SUFFERED BRUISES ON CHEST & KNEES. BOTH HAD EMERGENCY ROOM TREATMENT DUE TO A LACK OF AIR BAGS. *AK