S.D. Codified Laws § 32-26-22
Current with legislation signed by the governor on or before 3/6/2024
The driver of any vehicle upon a highway before starting, stopping, or turning from a direct line shall first see that such movement can be made in safety and if any pedestrian may be affected by such movement shall give a clearly audible signal by sounding the horn, and whenever the operation of any other vehicle may be affected by such movement shall give a signal as required in § 32-26-23 plainly visible to the driver of such other vehicle of the intention to make such movement. A violation of this section is a Class 2 misdemeanor.
SDCL 32-26-22