DRIVING APPROXIMATELY 25-30MPH AND CAMING TO A STOP, ATTEMPTED TO MAKE A RIGHT TURN, STARTED TO ACCELERATE ,VEHICLE STARTED TO SLIDE,TRIED TO TURN BACK AND VEHICLE STARTED TO GO TOWARDS THE CURB. HIT THE BRAKES AND THE VEHICLE DID NOT STOP AND RAN INTO CURB.SEAT BELTS DID NOT HOLD IN PLACE, DAUGHTER WENT FORWARD AND HIT HEAD ON DASH ,THEN AIR BAGS DEPLOYED IN A DELAYED REACTION. SEAT BELTS WERE REPLACED, BUT THEY DON'T KNOW WHY THEY DID NOT HOLD SECURE. *AK