(A) Manner of making turn. The driver of a vehicle intending to turn left shall approach the turn in the extreme left-hand lane lawfully available to traffic moving in the direction of travel of the vehicle. If practicable, the left turn shall be made to the left of the center of the intersection and so as to leave the intersection or other location in the extreme left-hand lane lawfully available to traffic moving in the same direction as the vehicle on the roadway being entered.
(SDCL § 32-26-18)
(B) Right-of-way of oncoming vehicle. The driver of a vehicle within an intersection intending to turn to the left shall yield the right-of-way to any vehicle approaching from the opposite direction which is within the intersection or so close thereto as to constitute an immediate hazard. The driver after having so yielded and having given a signal when and as required by this chapter, may make such left turn.
(SDCL § 32-26-19) Penalty, see § 70.99