California Code, Health and Safety Code - HSC § 44018

(a) The motor vehicle inspection program may include advisory safety equipment maintenance checks, fuel efficiency checks, or both, on the motor vehicle if the department finds that cost-effective methods for conducting those checks exist and that the cost of the inspection to the vehicle owner due to the additional checks would not be increased by more than 10 percent. The department shall specify the equipment to be checked and the procedures for conducting those checks.

(b) Notwithstanding subdivision (a), a motor vehicle sold at retail by a lessor-dealer licensed pursuant to Chapter 3.5 (commencing with Section 11600), or a dealer licensed pursuant to Chapter 4 (commencing with Section 11700), of Division 5 of the Vehicle Code shall not be subject to an advisory safety equipment maintenance check pursuant to this section.