I HIT THE CAR IN FRONT OF ME TRAVELING AT 40MPH, MY SEATBELT DID NOT RESTRAIN ME, MY LIP HIT THE STEERING WHEEL WHICH MADE MY TEETH GO ALL THE WAY THROUGH. THE AIR BAGS DID NOT DEPLOY EITHER, SO MY HEAD BROKE THE WINDSHEILD. THE LAP PORTION OF THE SEATBELT KEPT ME FROM GOING ALL THE WAY OUT, I HAD BRUISES ON MY ABDOMAN FROM IT.*AK