A payoff letter is not available on the website. 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. Sign on to your account, select your auto loan from Account Summary, and then Get payoff quote. A 10day payoff refers to the time it takes for your new lender to pay off your old loans during a refinance. An auto loan payoff letter is just a way to prove that you have paid in full for a car. If you are selling your vehicle, often the buyer will ask to. Simply click Set Up next to Automatic Payments and follow the prompts. How do I get a payoff amount for my loan? When and how do auto financing credit inquiries show up on my credit report?