What needs to be replaced during a car's first maintenance?

[Garcia]

During a car's first maintenance, the following items need to be replaced: engine oil and the oil filter. The first maintenance must be performed within 5,000 kilometers or six months of driving, whichever comes first. Car maintenance, also known as car servicing, refers to the regular preventive work of inspecting, cleaning, replenishing, lubricating, adjusting, or replacing certain parts of the vehicle. It mainly includes the maintenance of the engine system, transmission system, air conditioning system, etc., aiming to keep the car clean, maintain normal technical conditions, eliminate hidden dangers, prevent faults, and extend the service life. Car maintenance is divided into minor maintenance and major maintenance. Minor maintenance generally refers to the routine maintenance performed after the car has traveled a certain distance, within the time or mileage specified by the manufacturer, to ensure vehicle performance. It mainly includes replacing the engine oil and oil filter. Major maintenance refers to the routine maintenance performed within the manufacturer's specified time or mileage, which includes replacing the engine oil, oil filter, air filter, and fuel filter.