You are thinking of Voluntary Termination I think? It's not halfway through the term, but once you have paid off half the loan amount. Which is usually into year 3 on a 4 year term.
You can, however, sell or trade in the car at any time. So long as the finance gets cleared. If you do it much before the 2 year mark, you may find you have negative equity in the car. So you will have to pay an amount to cover the difference between the cars worth and the loan amount outstanding.
You can, however, sell or trade in the car at any time. So long as the finance gets cleared. If you do it much before the 2 year mark, you may find you have negative equity in the car. So you will have to pay an amount to cover the difference between the cars worth and the loan amount outstanding.