§ 74.014  NUMBER OF DRIVING LAMPS REQUIRED OR PERMITTED.
   (A)     At all times specified in § 74.002, at least two lighted driving lamps shall be displayed, one on each side of the front of every motor vehicle other than a motorcycle, except when the vehicle is parked subject to the regulations governing lights on parked vehicles.
   (B)     Whenever a motor vehicle equipped with driving lamps as herein required is also equipped with any auxiliary driving lamps or a spot lamp, or any other lamp on the front thereof not more than a total of four of these lamps on the front of a vehicle shall be lighted at any one time when upon a highway.
(ILCS Ch. 625, Act 5, § 12-211) ('64 Code, § 21-137)  Penalty, see § 70.999