SDCL § 32-31-2: Particular regulations which may be disregarded.

The driver of an authorized emergency vehicle may:

(1) Park or stand, irrespective of the provisions of chapter 32-30;

(2) Proceed past a red or stop signal or stop sign, but only after slowing down as may be necessary for safe operation;

(3) Disregard regulations governing direction of movement or turning in specified directions.