California Code, Vehicle Code - VEH § 27366

(1) Prepare and disseminate materials for the purpose of educating the public about the importance of using passenger restraints for infants and children under 15 years of age.  These materials shall include, but are not limited to, audiovisual aids and written materials that explain the effects of motor vehicle accidents on infants and children and the reduction in risk of injury or death as a result of the utilization of passenger restraints for infants and children.

(2) As funding is available, produce and administer a billboard campaign stressing the importance of utilizing child passenger restraint systems and instructing the public on where to obtain those systems.