How do you register an out-of-state automobile in  Illinois?

Hi rckndr99,

Here you go -

I'm a new Illinois resident. How do I get a driver's license and
automobile registration:
"... You must change your vehicle registration within 30 days by
filling out a form at a Driver Services facility."
http://www.sos.state.il.us/departments/drivers/faq.html

Driver Services Facilities addresses:
toll-free 1-800-252-8980 for assistance.
http://www.sos.state.il.us/publications/lpguide/driver_services_facilities.pdf

Illinois License Plates Guide:
http://www.sos.state.il.us/publications/lpguide/license_plate_guide0304.pdf

Fees:
http://www.sos.state.il.us/departments/vehicles/license_plate_guide/standard_plates/passenger.html

Additional links of interest:

I will be working in/moving to Illinois. How do I obtain a driver's
license in your state?
http://www.sos.state.il.us/general/most_faq.html

The Illinois Driver's License:
http://www.sos.state.il.us/publications/rr/rr_chap01.html 

I hope this helps. If you have any questions, please post a
clarification request *before* closing/rating my answer and I'll be
happy to reply.

Thank you,
hummer

Google Search Terms Used:
"moving to illinois" "car registration"