Understanding Illinois car repossession laws a comprehensive guide to your rights and available options. Use our EasyForm to fill out a letter to the repossession company to demand your property.Repossessed from Owner (Borrower) Name: Address. In Illinois, a vehicle can be repossessed after just one missed payment. Lenders are allowed to seize your car as soon as you default on the loan terms. Learn more about Illinois' repossession laws, what Illinois repo agents can and cannot do, and what happens after the car is taken away. This is an attorney desk reference manual from Illinois Legal Aid Online. Forms on this website are PDFs with fillable fields. Forms should be downloaded to your computer before filling in the fields. Chapter 13 is the most effective route for reclaiming a repossessed vehicle.