S.C. Code Ann. § 56-5-2360: Operation of vehicles on approach of authorized emergency vehicles.

(a) Upon the immediate approach of an authorized emergency vehicle making use of an audible signal meeting the requirements of Section 56-5-4970 and visual signals meeting the requirements of Section 56-5-4700, or of a police vehicle properly and lawfully making use of an audible signal or visual signal, the driver of every other vehicle traveling along a two-lane roadway shall yield the right-of-way and shall immediately drive to a position parallel to, and as close as possible, to the right hand edge or curb of the roadway clear of any intersection and shall stop and remain in that position until the authorized emergency vehicle has passed, except when otherwise directed by a police officer. A driver of a vehicle traveling along a multilane roadway shall yield the right-of-way and shall remain in, or move to a location that allows the emergency vehicle or police vehicle to pass safely, except as otherwise directed by a police officer.

(b) This section shall not operate to relieve the driver of an authorized emergency vehicle from the duty to drive with due regard for the safety of all persons using the highway.