Cal. VEH § 17709

(a) No person, or group of persons collectively, shall incur liability for a minor’s negligent or wrongful act or omission under Sections 17707 and 17708 in any amount exceeding fifteen thousand dollars ($15,000) for injury to or death of one person as a result of any one accident or, subject to the limit as to one person, exceeding thirty thousand dollars ($30,000) for injury to or death of all persons as a result of any one accident or exceeding five thousand dollars ($5,000) for damage to property of others as a result of any one accident.

(b) No person is liable under Section 17707 or 17708 for damages imposed for the sake of example and by way of punishing the minor. Nothing in this subdivision makes any person immune from liability for damages imposed for the sake of example and by way of punishing him for his own wrongful conduct.