(a) No vehicle, except an authorized emergency vehicle, shall be equipped with, nor shall any person use upon a vehicle any siren except that an authorized emergency vehicle shall be equipped with a siren meeting requirements established by the department.

(b) An authorized emergency vehicle may also be equipped with a Hi-Lo audible warning sound meeting requirements established by the department.

lawyer at desk

Ask a traffic law question, get an answer ASAP!
Thousands of highly rated, verified traffic lawyers.
Parking violations, accidents, DUI/DWI, licensing, registration, and more
Protect your vehicle and your rights with expert legal help now
Click here to chat with a lawyer about your rights.

Terms Used In California Vehicle Code 27002

  • Department: means the Department of Motor Vehicles except, when used in Chapter 2 (commencing with Section 2100) of Division 2 and in Divisions 11 (commencing with Section 21000), 12 (commencing with Section 24000), 13 (commencing with Section 29000), 14 (commencing with Section 31600), 14. See California Vehicle Code 290
  • Person: includes a natural person, firm, copartnership, association, limited liability company, or corporation. See California Vehicle Code 470
  • vehicle: is a device by which any person or property may be propelled, moved, or drawn upon a highway, excepting a device moved exclusively by human power or used exclusively upon stationary rails or tracks. See California Vehicle Code 670

(c) A Hi-Lo warning sound may only be used to notify the public of an immediate evacuation in case of an emergency and is not a siren. For the purposes of Section 21055, a Hi-Lo shall not be used in lieu of a siren if the sounding of a siren is reasonably necessary pursuant to that section.

(Amended by Stats. 2020, Ch. 262, Sec. 1. (SB 909) Effective September 29, 2020.)

  Previous section
Next section  
 Article 1 Contents