Repossession is the process of taking back a car after the owner defaults on their auto loan. Understanding Illinois car repossession laws a comprehensive guide to your rights and available options.Illinois laws do not require creditors to send you a notice of repossession before taking possession of your vehicle. Illinois requires auto lenders to wait 21 days after sending out the Notice of Redemption before they can resell the vehicle. If you don't make your car payments on time, your lender might have the right to take your car without going to court or telling you first. Use our EasyForm to fill out a letter to the repossession company to demand your property. When it comes time for creditors to reclaim vehicles from delinquent borrowers, there are several options available. Contact Our Cook County Replevin Attorneys. Even if you successfully complete a voluntary repossession, the payments you missed on the auto loan will still appear on your credit report. But your credit will likely take a hit, and you could still end up owing money on your auto loan.