California Code
CHAPTER 5 - Other Equipment
ARTICLE 1 - Horns, Sirens and Amplification Devices

Section 27000. - 27000. (a) A motor vehicle, when operated upon a highway,...

Section 27001. - 27001. (a) The driver of a motor vehicle when reasonably...

Section 27002. - 27002. (a) No vehicle, except an authorized emergency vehicle, shall...

Section 27003. - 27003. An armored car may be equipped with a siren...

Section 27007. - 27007. No driver of a vehicle shall operate, or permit...