625 ILCS 5/3-201

This Article does not apply to or affect: (a) A lien given by statute or rule of law to a supplier of services or materials for the vehicle; (b) A lien given by statute to the United States, this State or any political subdivision of this State, except liens on trailer coaches and mobile homes for public assistance, as provided in Section 3-12 (now repealed) of the Illinois Public Aid Code. (c) A security interest in a vehicle created by a manufacturer or dealer who holds the vehicle for sale, but a buyer in the ordinary course of trade from the manufacturer or dealer takes free of the security interest.