Before jumping into a lease agreement, it's essential to understand the key terms and concepts involved. Here are ten simple car leasing terms.A vehicle payment plan agreement is a contract between a buyer and seller of a vehicle that agrees to installment payments. Completing this form only takes a couple of minutes of your time. Do you see a Progressive Power Buy that might be a good fit for you? Use an online car loan calculator to see estimated monthly payments based on a car's cost, the down payment and interest rate. Auto loan calculator Ohio: tax, title, license. At Cascade Audi, we simplify the process of leasing our new Audi models. To begin, all you need to do is fill out our online credit application. A confusing and convoluted document that outlines the selling price, fees, taxes, your trade in, and more.