Some vehicle models have a higher minimum year requirement). Children must ride in federally approved child safety seats until they are at least 8 years old or over 57 in tall.;
Children ages 7 and younger and less than 57 inches tall must ride in a child safety seat.
Car seat requirements ma. State laws vary in requiring car seats up to between five and eight years of age depending on the state. When the infant reaches 20 pounds, the car seat may be turned to face forward until the child weighs 40 pounds. Car manufacturers typically design airbags to protect an adult who’s at least 5 feet tall and roughly 150 pounds.