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. Create a Loan Payoff Letter online and download it as a PDF or Word document. Customize and print a blank Loan Payoff Letter for free. The easiest way to calculate your total loan payoff amount is to go online or call your lender directly. Many lenders have calculators available. Thank you for choosing New Hampshire Federal Credit Union for your auto loan. Low Rates for Auto Loans. Title loans have short terms, often only 1530 days.