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.This page will provide an overview of Illinois' Repossession Laws and what you should know if you've fallen behind on car payments. 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. We can offer a wide selection of used vehicles. Illinois laws do not require creditors to send you a notice of repossession before taking possession of your vehicle. This is an attorney desk reference manual from Illinois Legal Aid Online. In Illinois, creditors are allowed to conduct a repossession without sending a pre-repossession notice to the consumer. Appropriate tax form and separate check payable to Illinois Department of Revenue (see Tax Requirements on back).