Whenever you purchase a car, you must check the warranty along with it. It may be in a form of a contract when a car is purchased. Not all the warranties are same as many of the buyers assumes the same. It is a service contract and similarly like other contracts it is consist of terms of agreements and it has to be read and signed by both the buyer and seller. If you do not accept the agreement that time, then you can easily abandon the warranty but then be prepared for the repairing expenses.