SDCL § 32-17-4: Periods during which lamps must be lighted--Violation as misdemeanor.

Each motor vehicle on a highway during the period from sunset to sunrise and at any other time when there is not sufficient light to render clearly discernible any person on the highway at a distance of two hundred feet ahead, shall be equipped with lighted front and rear lamps for the different classes of motor vehicles as respectively required in §§ 32-17-1 to 32-17-26, inclusive. If a motor vehicle is parked or stopped on a highway, such motor vehicle shall be equipped with lighted front and rear lamps as required in § 32-17-27. A violation of this section is a Class 2 misdemeanor.