(A) Every motor vehicle when operated upon a highway shall be equipped with a horn in good working order and capable of emitting sound audible under normal conditions from a distance of not less than two hundred feet (200'), but no horn or other warning device shall emit an unreasonably loud or harsh sound or a whistle. The driver of a motor vehicle shall, when reasonably necessary to insure safe operation, give audible warning with his or her horn, but shall not otherwise use such horn when upon a highway.

(B) No vehicle shall be equipped with nor shall any person use upon a vehicle any siren or bell, except as otherwise permitted in this Section.

(C) Any vehicle may be equipped with a theft alarm signal device which is so arranged that it cannot be used by the driver as an ordinary warning signal. Such a theft alarm signal may use a whistle, bell, horn or other audible signal but shall not use a siren.

(D) Every authorized emergency vehicle shall be equipped with a siren, whistle, or bell, capable of emitting sound audible under normal conditions from a distance of not less than five hundred feet (500') and of a type approved by the Commission, but such siren shall not be used except when such vehicle is operated in response to an emergency call or in the immediate pursuit of an actual or suspected violator of the law, in which said latter events the driver of such vehicle shall sound said siren when reasonably necessary to warn pedestrians and other drivers of the approach thereof.

(E) Every truck specifically designed and equipped and used exclusively for garbage, refuse, or solid waste disposal operations shall be equipped with a whistle, bell, or other audible signal. Such whistle, bell, or other audible signal shall be used only when the driver of the truck is backing such truck. Notwithstanding the provisions of this section, the City of Olathe may adopt an ordinance prohibiting the activation of such whistle, bell, or other audible signal during specific periods of time during the day.

(F) Every truck designed and used for collection and disposal of domestic or commercial waste or trash shall be equipped with vehicular hazard warning signal lamps (in compliance with K.S.A. 8-1722) for the purpose of warning the operators of other vehicles of the presence of a vehicular traffic hazard requiring the exercise of unusual care in approaching, overtaking or passing. Hazard warning signal lamps used to display such warning to the front shall be mounted at the same level and as widely spaced laterally as practicable, and shall display simultaneously flashing amber lights. On any vehicle manufactured prior to January 1, 1969, the lamps showing to the front may display simultaneously flashing white or amber lights, or any shade of color between white and amber. The lamps used to display such warning to the rear shall be mounted at the same level and as widely spaced laterally as practicable, and shall show simultaneously flashing amber or red lights, or any shade of color between amber and red. Such warning lights shall be visible from a distance of not less than five hundred feet (500') in normal sunlight. (Ord. 18-35 § 6, 2018; Ord. 07-136 § 12, 2007; Ord. 01-89 § 2, 2001.)