Four Steps to Child Passenger Safety Protect your children as they grow older by following the steps below. Remember to have safety seats inspected on a regular basis. Seat belts can seriously injure or kill small children who are not properly placed in child safety seats. Age Proper Car Safety Birth to 1 year (approx. 20 lbs.) Rear-facing child seat 1 - 4 years (over 20 lbs. - 40 lbs.) Forward-facing child seat Younger children 40 lbs. - 80 lbs. & 4' 9" Belt-positioning booster seat Older children 40 lbs. - 80 lbs. & 4' 9" Seat belt for older children large enough for correct fit  Return to the Child Passenger Safety Awareness.