California Code, Health and Safety Code - HSC § 44070

(a) The department shall develop within the bureau, with the advice and technical assistance of the state board, a public information program for the purpose of providing information designed to increase public awareness of the smog check program throughout the state and emissions warranty information to motor vehicle owners subject to an inspection and maintenance program required pursuant to this chapter. The department shall provide, upon request, either orally or in writing, information regarding emissions related warranties and available warranty dispute resolution procedures.

(b) The telephone number and business hours, and the address if appropriate, of the emissions warranty information program shall be noticed on the vehicle inspection report provided by the test analyzer system for any vehicle which fails the analyzer test.