§ 74.033 DISPOSAL OF MOTOR VEHICLES BEARING POLICE MARKINGS.
   (A)   No official or employee of the city, no owner or employee or any new vehicle dealer, used vehicle dealer, or vehicle auctioneer shall sell, trade, or otherwise dispose of any motor vehicle bearing equipment, markings, or other indicia of police authority unless, prior to delivery of the vehicle, the equipment and markings have been sufficiently altered or obliterated to remove the appearance of police authority.
   (B)   A person may not operate on the highways of this state a vehicle bearing the equipment, markings, or other indicia of police authority, unless the vehicle is an authorized emergency vehicle as defined in ILCS Ch. 625, Act 5, § 1-105.
   (C)   This section does not apply to vehicles bearing indicia of police authority that are antique vehicles, as defined in ILCS Ch. 625, § 1-102.1, and are registered as antique vehicles, as provided in ILCS Ch. 625, Act 5, § 3-804.
   (D)   Any police officer is authorized to seize any vehicle that is in violation of this section and to impound that vehicle, at the owner's expense, until any equipment, markings, or other indicia of police authority have been sufficiently removed, altered, or obliterated to remove the appearance of police authority.
   (E)   A person convicted of violating this section is guilty of a petty offense and subject to a fine of not less than $500 and not more than $1,000.
(ILCS Ch. 625, Act 5, § 12-609) Penalty, see § 70.999