Use of emergency signals required. 32-31-3. The exemptions granted in subdivisions 32-31-2(2) and (3) to an authorized emergency vehicle apply only if the vehicle is making use of audible or visual signals meeting the requirements of law. However, the The exemption granted in subdivision 32-31-2(1) to an authorized emergency vehicle applies only if the driver of the emergency vehicle is making use of of: (1) Using visual signals meeting the requirements of law. Source: SDC 1939, § 44.0308 law; and (2) Has placed, as added soon as practicable after stopping, three flares or emergency reflective triangles on the roadway, in the manner and as required by SL 1967, ch 191; SL 1989, ch 256, § 35; SL 2007, ch 186, § 1. section of this Act. 13