Georgia Code Title 40. Motor Vehicles and Traffic § 40-8-28

(a) When a vehicle is lawfully parked upon a street or highway during the hours between a half-hour after sunset and a half-hour before sunrise, and there is sufficient light to reveal any person or object within a distance of 500 feet upon such street or highway, no lights need be displayed upon such parked vehicle.

(b) When a vehicle is parked or stopped upon a roadway or shoulder adjacent thereto, whether attended or unattended, during the hours between a half-hour after sunset and a half-hour before sunrise and there is not sufficient light to reveal any person or object within a distance of 500 feet upon such highway, such vehicle so parked or stopped shall be equipped with one or more lights meeting the following requirements: at least one light shall display a white or amber light visible from a distance of 500 feet to the front of the vehicle, and the same light or at least one other light shall display a red light visible from a distance of 500 feet to the rear of the vehicle; and the location of such light or lights shall always be such that at least one light or combination of lights meeting the requirements of this Code section is installed as near as practicable to the side of the vehicle which is closest to passing traffic. This subsection shall not apply to a motor driven cycle.

(c) If a vehicle is manufactured with two lights meeting the requirements of subsection (b) of this Code section, both such lights shall be maintained in good working order.

(d) Any lighted headlights upon a parked vehicle shall be depressed or dimmed.