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.I'm selling my house with a closing date of January 9th. I received my mortgage payoff letter from Pennymac that is good through January 12th. You will need to include all relevant information in the letter such as the loan amount, any outstanding payments, and the date of repayment. How do I get the judgment released? Find answers to frequently asked questions about your Capital One Auto Loan, including credit reporting, payments, and general information. By adding an additional payment each month, you can pay off your loan in a shorter period of time and decrease the overall amount of interest paid. You can also fill out the Contact Us form after logging into WESTLAKE: MY ACCOUNT. Instructions are included on the form.