How many kilometers should a sedan be serviced?

[StMariana]

A sedan should be serviced every 20,000 kilometers. The maintenance items include: 1. Replace the engine oil, oil filter, clean the air filter, and check whether the generator belt and wiper blades are damaged; 2. Check whether the levels of various fluids are normal; 3. Check whether the tire pressure is normal and whether the tires have uneven wear, bulges, or damage; 4. Inspect the car chassis, including checking for scratches on the brake pads, brake discs, connecting rods, ball joints, and CV joints; 5. Check whether all switches and lights in the car are working properly. Precautions for sedan maintenance are: 1. Make an appointment in advance; 2. Record any faults or questions encountered during daily driving and inform the staff during the maintenance registration.