an illinois motor vehicle power of attorney is used to designate someone other than yourself to represent you in front of the vehicle services department when it comes to your motor vehicle, including registration issues and titling. needless to say, it would be in your best interest to only delegate authority to an individual that you consider responsible and trustworthy. you will need information regarding the vehicle owner, agent receiving authority over the vehicle, and the vehicle itself. open this form when you are ready to enter information or ready to print it and fill in the information.