S.D. Codified Laws § 22-30A-12
Unauthorized operation of vehicle or vessel as misdemeanor
Any person who, without the intent to deprive the owner thereof, operates another's motor vehicle or vessel without the consent of the owner, is guilty of a Class 1 misdemeanor.
Source: SL 1976, ch 158, § 30A-17; SL 2005, ch 120, § 62.