Add or Remove a Lien on a Vehicle. To add or remove a lien on your vehicle title, visit your local county tax office.1. Enter the lender's name and loan account number. A mortgage payoff letter can come in two forms. One form tells borrowers the remaining principal amount and interest they have to pay to close out the loan. How to fill out the Payoff Request Letter Templates? All vehicle registration and title transfers require proof of insurance and a current vehicle inspection that is no more than 90 days old.