It is a Class 2 misdemeanor for any person to sell or offer for sale any new motor vehicle, excepting motorcycles, farm tractors, and vehicles used primarily for the distribution and application of agricultural fertilizer or chemicals, when drawn by another vehicle, unless it is equipped with directional turn signals.
S.D. Codified Laws § 32-15-13
Directional turn signals required--Misdemeanor--Motorcycles and agricultural vehicles excepted
Source: SL 1953, ch 242, §§ 1, 2; SDC Supp 1960, §§ 44.0317-1, 44.9939; SL 1977, ch 189, § 106; SL 1979, ch 223, § 2; SL 1984, ch 228, § 1.
Official source: South Dakota Legislature. Reproduced from public-domain South Dakota statutes; confirm against the official source for the current text. Not legal advice.