No person shall display a flashing or steady burning red warning light on a vehicle except as permitted by Section 21055 or when an extreme hazard exists.
Cal. Veh. Code § 25269
Flashing and Colored Lights
Added by Stats. 1961, Ch. 653.
Official source: California Legislative Information. Reproduced from public-domain California statutes; confirm against the official source for the current text. Not legal advice.