Weight, and under 4’9” height. This law applies whether the vehicle is a car, passenger van, or pickup truck.
According to the national highway traffic safety administration (nhtsa)
Georgia car seat laws booster. Hawaii car seat laws and booster seat laws. Facing car seat has a harness and tether that limits your child’s forward movement during a crash. If the back seat is occupied by other passengers your child may ride in the front seat, provided he or she is secured in a booster or child safety.