(625 ILCS 5/12-216)
(from Ch. 95 1/2, par. 12-216)
Operation of oscillating, rotating or flashing lights.
Oscillating, rotating or flashing lights located on or within police
vehicles in this State shall be lighted whenever a police officer is in
pursuit of a violator of a traffic law or regulation.
(Source: P.A. 85-830.)