Looking for a payoff amount? Fill out this quick form and let us know if you have any questions or if you're interested in any of our services.Affordable monthly payments. Find the answers to questions about your lease, MyAccount and more GM Financial related questions. Com to access your account information, make a payment, get a payoff quote, update your address and much more. Please do not use this form for questions related to a Westlake Auto Loan. Contact Arizona Financial Credit Union today! ; 16th Street Branch. Woman video chatting. Welcome to Copper State Credit Union.