The net value of your vehicle credited toward the purchase or lease of another vehicle. If you own the vehicle being traded in, you sell it to the dealer or lessor. If you are leasing the vehicle being traded in, you are turning in the vehicle (either at the scheduled end of the lease or upon early termination) to the dealer or lessor who has agreed to pay any remaining balance on your agreement. The amount credited may be positive or negative, depending on the agreed-upon value of the traded-in vehicle and any remaining balance on your agreement.
Source: Federal Reserve Board