22,500 miles (36,000 km) or 18 months

❑ Inspect air cleaner filter ❑ Inspect vacuum hose ❑ Replace engine oil and filter (22,500 miles (36,000 km) or 36 months)

    See also:

    Checking the amount of air conditioner refrigerant and compressor lubricant
    When the amount of refrigerant is low, the performance of the air conditioning is reduced. Overfilling also has a negative impact on the air conditioning system. Therefore, if abnormal operation i ...

    Parking Brake/ Low Brake Fluid Level Warning Light
    CAUTION: If you suspect brake trouble, have your brakes checked by a Hyundai dealer as soon as possible. Driving your car with a problem in either the brake electrical system or brake hydraulic ...

    Performance
    There's a lot to like about the turbo drivetrain, with its 274 horsepower and six-speed automatic transmission, but before I talk about power I should say that the Sonata 2.0T really shines becaus ...