Fill-out the Interest Form below, and our Member Service Center will reply to you in the next few business days. Request Form for Automatic Payments.Please fill out and sign the request form. Travis Credit Union Auto Loan Payoff Address: Standard and Overnight 1 Travis Way Vacaville CA 95687. Contact Travis CU for complete details. Tooltip: Please provide the total amount you would like to borrow. The format should be: 999,999.99. Yes, you technically could use part of your student loans to purchase a car. But is it legal to do so? It's not neccesarily a bad idea to get out a car loan, it entirely depends on the type of loan and your personal financial situation.