The refund will be made in instalments until you have paid the full amount. This option is usually offered at the point of sale. The dealer delivers the vehicle to the customer, but it is financed by the creditor/lender (see Financial Structures module). If you default, the lender may start charging interest, and this may be at a higher interest rate than usual. Check your loan agreement to see what the deal is. The loan agreement is the legal document that you signed during the credit statement. .