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.First Citizens provides a full range of banking products and services to meet your individual or business financial needs. Please do not use this form for questions related to a Westlake Auto Loan. First Citizens provides a full range of banking products and services to meet your individual or business financial needs. Satisfaction of Security Instrument: This document shows that a loan has been satisfied and the Security Instrument is terminated. Explore deals and find promotional financing offers. Prequalify or Apply today! We're a bank with deep community roots and a drive to keep reaching higher. HELOC Payment Calculator.