Any civil liability of a minor, whether licensed or not under this code, arising out of his driving a motor vehicle upon a highway with the express or implied permission of the parents or the person or guardian having custody of the minor is hereby imposed upon the parents, person, or guardian and the parents, person, or guardian shall be jointly and severally liable with the minor for any damages proximately resulting from the negligent or wrongful act or omission of the minor in driving a motor vehicle.
Ca. Veh. Code § 17708