32-15-10. Horn required--Audibility distance--Violation as petty offense.Every motor vehicle when operated upon a highway shall be equipped with a horn in good working order capable of emitting sound audible under normal conditions from a distance of at least two hundred feet. A violation of this section is a petty offense. Source: SDC 1939, §44.0347; SL 1989, ch 255, §37.
South Dakota Legal Code