(a) Any motor vehicle may be equipped with not more than two (2) side cowl or fender lamps which shall emit an amber or white light without glare.
(b) Any motor vehicle may be equipped with not more than one (1) running-board courtesy lamp on each side which shall emit a white or amber light without glare.
(c)
(1) Any motor vehicle may be equipped with not more than two (2) backup lamps, either separately or in combination with other lamps.
(2) Any backup lamp shall not be lighted when the motor vehicle is in forward motion.
(d)
(1)
(A) Any vehicle may be equipped with lamps which may be used for the purpose of warning the operators of other vehicles of the presence of a vehicular traffic hazard requiring the exercise of unusual care in approaching, overtaking, or passing.
(B) When so equipped, the warning lamps may be displayed in addition to any other warning signals required by this subchapter.
(2) The lamps used to display the warning to the front shall be mounted at the same level, and as widely spaced laterally as practicable, and shall display simultaneously flashing white or amber lights, or any shade of color between white and amber.
(3) The lamps used to display the warning to the rear shall be mounted at the same level, and as widely spaced laterally as practicable, and shall show simultaneously flashing amber or red lights, or any shade of color between amber and red.
(4) These warning lights shall be visible from a distance of not less than five hundred feet (500') under normal atmospheric conditions at night.
(e)
(1) Any commercial vehicle eighty inches (80") or more in overall width may be equipped with not more than three (3) identification lamps showing to the front, which shall emit an amber light without glare, and not more than three (3) identification lamps showing to the rear, which shall emit a red light without glare.
(2) The lamps shall be placed in a row and may be mounted either horizontally or vertically.