What is a car maintenance warranty?

Maintenance generally requires replacement of oil filter, spark plug, air filter, air conditioner filter, transmission oil, brake fluid and antifreeze; Clean the throttle and carbon deposit of the engine; Check the condition of all parts of the vehicle, such as leakage, aging and wear of rubber parts such as tires and rubber covers.

Automobile maintenance mainly includes the maintenance of engine system, gearbox system, air conditioning system, cooling system, fuel system, power steering system and braking system.