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204-10-026  <<  204-10-028 >>   204-10-030

PDFWAC 204-10-028

Instrumentation and electrical system requirements.

(1) A motor vehicle must be equipped with an operating speedometer calibrated to indicate "miles per hour," and may also indicate "kilometers per hour."
(2) The headlamp circuit for a motor vehicle must be equipped with a driver-controlled high and low beam selector switch unless the vehicle is equipped with single beam headlamps.
(3) If a motor vehicle is manufactured after 1965, it must be equipped with a hazard warning switch causing all turn signal lamps to flash simultaneously.
(4) The headlamp switch for a motor vehicle must activate the headlamps, tail lamps, license plate lamp, and when required, marker lamps simultaneously.
(5) An indicator must be provided on a motor vehicle which indicates to the driver when the high beams of the headlamp system are energized. The indicator must emit a light other than white plainly visible to the driver under normal driving conditions.
(6) A motor vehicle must be equipped with an operable horn capable of emitting sound audible under normal conditions from a distance of not less than two hundred feet. No horn or other warning device will emit an unreasonably loud or harsh sound or whistle nor will a bell or siren be used as a warning device. The device used to actuate the horn must be easily accessible to the driver when operating the vehicle.
(7) A motor vehicle, if equipped with an automatic transmission, must be equipped with a safety switch that prevents the starter motor from being actuated except when the gear selector is in the neutral or park position.
(8) If the front signal lamp(s) on a motor vehicle are not readily visible to the driver, there must be an illumination indicator to give the operator a clear, unmistakable indication that the turn signal system is on. The illumination indicator must consist of one or more bright lights flashing at the same frequency as the signal lamps, and it must emit a light other than white.
[Statutory Authority: RCW 46.37.005. WSR 15-19-102, § 204-10-028, filed 9/18/15, effective 10/19/15. Statutory Authority: RCW 46.37.005 and 46.37.320. WSR 08-19-079, § 204-10-028, filed 9/16/08, effective 10/17/08.]
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