20-134. Lights on parked vehicles.
(a) Whenever a vehicle is parked or stopped upon a highway, whether attended or unattended during the times mentioned in G.S. 20-129, there shall be displayed upon such vehicle one or more lamps projecting a white or amber light visible under normal atmospheric conditions from a distance of 500 feet to the front of such vehicle, and projecting a red light visible under like conditions from a distance of 500 feet to the rear, except that local authorities may provide by ordinance that no lights need be displayed upon any such vehicle when parked in accordance with local ordinances upon a highway where there is sufficient light to reveal any person within a distance of 200 feet upon such highway.
(b) A motor vehicle operated on a highway by a rural letter carrier or by a newspaper delivery person shall be equipped and operated with flashing amber lights at any time the vehicle is being used in the delivery of mail or newspapers, regardless of whether the vehicle is attended or unattended.