625 ILCS 5/4-110
In a county having a population of 3,000,000 or more, the county sheriff shall establish with other law enforcement agencies a vehicle theft hotline to facilitate interaction with vehicle manufacturers and vehicle location vendors consistent with the Freedom From Location Surveillance Act. The county sheriff shall collaborate with vehicle manufacturers, dealers, and vehicle location vendors to provide information and assistance to law enforcement officers in the investigation of a vehicular hijacking or kidnapping incident and ensure that consumers are provided with information concerning the hotline, new or used vehicles manufactured with stolen vehicle locator capabilities, and how consumers can activate stolen vehicle locator services by publishing the information in a conspicuous location on the county sheriff's website.
625 ILCS 5/4-110