The Vehicle Payoff Sample Letter form is a crucial document for individuals aiming to transfer their vehicle loan to the State Department Federal Credit Union. If you are looking to payoff your vehicle, there is a sample letter form that you can use as a guide.The letter should be professional and informative. A lien is a legal claim on an asset that is usually used as collateral to pay a debt. Liens are applied to a vehicle title when you first purchase it. How can I prove that my car is paid off? Once you pay off your loan, your lender will send you an official release of lien letter. When you take out an auto loan, your lender will be listed as a lienholder on the title. Look out for extra fees or addons and make sure the numbers match what you agreed to during negotiations.