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.
S.D. Codified Laws § 32-15-10
Horn required--Audibility distance--Violation as petty offense
Source: SDC 1939, § 44.0347; SL 1989, ch 255, § 37.
Official source: South Dakota Legislature. Reproduced from public-domain South Dakota statutes; confirm against the official source for the current text. Not legal advice.