When you buy a new car, you make an agreement with the seller that you will provide payment for a product that lives up to its guarantee. It is implied that you will receive a working vehicle, otherwise a seller could give you something faulty without any danger of a consequence.
Link: California Lemon Law
Link: Federal Lemon Law Act
Link: Lemon Law Eligibility
Link: Lemon Law Myths
Link: Lemon Law Vehicles
Link: Problems with Lemons