What is the detailed maintenance schedule for sedans?

[VanFelicity]

Due to differences in sedan brands, maintenance cycles vary. Taking Audi as an example, its specified maintenance cycle is every 10,000 kilometers or 1 year. The replacement interval for engine oil and oil filter remains at every 10,000 kilometers, the cabin air filter is replaced every 30,000 kilometers, the engine air filter is replaced every 40,000 kilometers, the fuel filter (being an internal structure) does not require replacement within 60,000 kilometers, and the spark plugs are replaced every 20,000 kilometers. The detailed maintenance schedule is as follows: 1. 10,000 kilometers: Replace engine oil and oil filter, external cabin air filter, inspect fuel filter; 2. 20,000 kilometers: Replace engine oil and oil filter, external cabin air filter, spark plugs, inspect fuel filter; 3. 30,000 kilometers: Replace engine oil and oil filter, external cabin air filter, internal cabin air filter, inspect fuel filter; 4. 40,000 kilometers: Replace engine oil and oil filter, external cabin air filter, engine air filter, spark plugs, inspect fuel filter; 5. 50,000 kilometers: Replace engine oil and oil filter, external cabin air filter, inspect fuel filter; 6. 60,000 kilometers: Replace engine oil and oil filter, external cabin air filter, internal cabin air filter, transmission fluid, spark plugs, inspect fuel