A pure electric vehicle is different from a conventional one. There is no power-train for the engine and the transmission . There is no need to replace the spark plug and change the oil filter . The battery, motor and electronic control system of electric vehicles are the core, all have the manufacturer's warranty. The maintenance of all electric vehicles is mainly based on routine maintenance, such as whether the circuit is aging, dust, screws are loose, etc., check the tires by the way, air conditioning Filter cartridges, brake pads and more.