Section 25251 Of Article 7. Flashing And Colored Lights From California Vehicle Code >> Division 12. >> Chapter 2. >> Article 7.
25251
. (a) Flashing lights are permitted on vehicles as follows:
(1) To indicate an intention to turn or move to the right or left
upon a roadway, turn signal lamps and turn signal exterior pilot
indicator lamps and side lamps permitted under Section 25106 may be
flashed on the side of a vehicle toward which the turn or movement is
to be made.
(2) When disabled or parked off the roadway but within 10 feet of
the roadway, or when approaching, stopped at, or departing from, a
railroad grade crossing, turn signal lamps may be flashed as warning
lights if the front turn signal lamps at each side are being flashed
simultaneously and the rear turn signal lamps at each side are being
flashed simultaneously.
(3) To warn other motorists of accidents or hazards on a roadway,
turn signal lamps may be flashed as warning lights while the vehicle
is approaching, overtaking, or passing the accident or hazard on the
roadway if the front turn signal lamps at each side are being flashed
simultaneously and the rear turn signal lamps at each side are being
flashed simultaneously.
(4) For use on authorized emergency vehicles.
(5) To warn other motorists of a funeral procession, turn signal
lamps may be flashed as warning lights on all vehicles actually
engaged in a funeral procession, if the front turn signal lamps at
each side are being flashed simultaneously and the rear turn signal
lamps at each side are being flashed simultaneously.
(b) Turn signal lamps shall be flashed as warning lights whenever
a vehicle is disabled upon the roadway and the vehicle is equipped
with a device to automatically activate the front turn signal lamps
at each side to flash simultaneously and the rear turn signal lamps
at each side to flash simultaneously, if the device and the turn
signal lamps were not rendered inoperative by the event which caused
the vehicle to be disabled.
(c) Side lamps permitted under Section 25106 and used in
conjunction with turn signal lamps may be flashed with the turn
signal lamps as part of the warning light system, as provided in
paragraphs (2) and (3) of subdivision (a).
(d) Required or permitted lamps on a trailer or semitrailer may
flash when the trailer or semitrailer has broken away from the towing
vehicle and the connection between the vehicles is broken.
(e) Hazard warning lights, as permitted by paragraphs (2) and (3)
of subdivision (a) may be flashed in a repeating series of short and
long flashes when the driver is in need of help.