You will receive an interest rebate, an amount set out in the Consumer Credit Act 1974. Make sure that the purchase value of the vehicle included in the purchase agreement matches the seller`s offer. For fears of what you have agreed, simply refer to the purchase contract. Everything you need to know can be done in minutes. The buyer is not obliged to sign the contract, especially if the dealer engages in undesirable practices. The worst comes the worst, go out and take your business somewhere else. But such cases are rare. In general, traders are honest and undoubtedly polite. The errors that occur are often data entry errors, and it is in everyone`s interest to review the contract before signing it. You can`t sell a car with PCP financing until you refund all refunds or billing number.