Type of seat - Infant seats and rear-facing convertible seats
General guidelines - All infants should ride rear-facing until they are at least 1 year of age and weigh at least 20 pounds.
Type of seat - Convertible seats
General guidelines - It is best to ride rear-facing as long as possible. Children 1 year of age and at least 20 pounds can ride forward-facing.
Type of seat - Booster seats
General guidelines - Booster seats are for older children who have outgrown their forward-facing car safety seats. Children should stay in a booster seat until adult belts fit correctly (usually when a child reaches about 4'9" in height and is between 8 and 12 years of age).
Type of seat - Seat belts
General guidelines - Children who have outgrown their booster seats should ride in a lap and shoulder belt in the back seat until 13 years of age.