This financial calculator helps you find out. View the report to see a complete amortization payment schedule, and how much you can save on your auto loan!Write to us at KeyPoint Credit Union, 2150 Trade Zone Boulevard, Suite 200, San Jose, CA 95131. What is my loan payoff amount? This form is for existing Westlake Black Visa Credit Card account holders only. Please do not use this form for questions related to a Westlake Auto Loan. Please see more information in the Payoff Demand Instructions. First enter information about your current loan: the original loan amount, interest rate and the length of the loan in months. The First Tech Team wants to hear from you. Visit our website to schedule an appointment, send us a secure message, find our phone number, and more.