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. Enclosed with this letter, you will find a formal payoff statement confirming the full satisfaction of your loan.A good copy of your current driver's license, for all borrowers on the loan. Explore PSECU auto loans, interest rates, and requirements. Calculate an estimated PSECU auto loan payment, start a PSECU auto loan application, and more. A payoff letter provides instructions on how to pay off a loan with a lump sum before the loan term ends. Learn how payoff letters work. A 10 day payoff is crucial to getting your old loans paid off during a refinance. Learn how it works from start to finish. Toll Free: 800-678-7228.