What else needs to be replaced besides engine oil?

[MacJade]

Generally, it involves replacing the engine oil with three filters or two filters. The three filters include the oil filter, air filter, and cabin air filter. The two filters consist of the oil filter and air filter. Three filters for engine oil: The oil filter's maintenance interval varies depending on the type of oil used. For mineral oil and semi-synthetic oil, the engine oil should be replaced every 6 months or 5,000 kilometers. For full synthetic oil, it's recommended to change every 1 year or 10,000 kilometers. The air filter is typically replaced annually. The fuel filter replacement interval varies by vehicle model, generally between 30,000 to 60,000 kilometers. Three fluids and three oils: Three fluids: windshield washer fluid, coolant, and air conditioning drain pipe drainage. Three oils: fuel, engine oil, and brake fluid, along with power steering fluid and automatic transmission fluid. Regular preventive maintenance involves inspecting, cleaning, replenishing, lubricating, adjusting, or replacing certain components. Modern vehicle maintenance primarily covers engine systems, transmission systems, air conditioning systems, cooling systems, fuel systems, power steering systems, etc.