Section 4346 - Spot lamps and auxiliary lamps(a) Spot lamps. -- Any motor vehicle may be equipped with not to exceed 2 spot lamps, and every lighted spot lamp shall be so aimed and used upon approaching another vehicle that no part of the high intensity portion of the beam will be directed to the left of the prolongation of the extreme left side of the vehicle nor more than 100 feet ahead of the vehicle.(b) Fog lamps. -- Any motor vehicle may be equipped with not to exceed 2 fog lamps mounted on the front at a height not less than 12 inches nor more than 30 inches above the level surface upon which the vehicle stands and so aimed that when the vehicle is not loaded none of the high intensity portion of the light to the left of the center of the vehicle shall at a distance of 25 feet ahead project higher than a level of 4 inches below the level of the center of the lamp from which it comes. Lighted fog lamps meeting the above requirements may be used with lower head lamp beams as specified in § 4349 of this title.(c) Auxiliary passing lamp. -- Any motor vehicle may be equipped with not to exceed 1 auxiliary passing lamp mounted on the front at a height not less than 24 inches nor more than 42 inches above the level surface upon which the vehicle stands. Section 4349 of this title shall apply to any combination of head lamps and auxiliary passing lamps.(d) Auxiliary driving lamp. -- Any motor vehicle may be equipped with not to exceed 1 auxiliary driving lamp mounted on the front at a height not less than 16 inches nor more than 42 inches above the level surface upon which the vehicle stands. Section 4349 of this title shall apply to any combination of head lamps and auxiliary driving lamps.21 Del. C. 1953, § 4346; 50 Del. Laws, c. 292, § 1.;