815 ILCS 180/25

A debtor may at any time cause the cancellation of collateral protection insurance by providing proper evidence to the creditor that the debtor has obtained insurance as required by the credit agreement. If, within 30 days after notice is sent pursuant to subsection (a) of Section 15, a debtor provides the creditor with proper evidence that the debtor had insurance on the collateral as required by the credit agreement on the date the creditor purchased insurance and that the debtor continues to have insurance on the collateral as required by the credit agreement, the creditor shall cancel the insurance that it purchased and may not charge the debtor any costs, interest, or other charges in connection with the insurance.