<human>:  What warranties come with buying a used car?
<bot>: The warranties that come with buying a used car vary depending on the dealership or seller. Some provide warranties on certain mechanical parts, such as the engine, transmission, or drivetrain. Others may provide limited coverage on other systems, such as air conditioning, electrical systems, suspension, brakes, and steering. Some may also offer a manufacturer's warranty or extended warranty. It is important to ask the seller or dealership about any warranties that may be offered when considering the purchase of a used car.