22,500 miles (36,000 km) or 18 months
Hyundai Sonata / Sonata 2011 Owners Manual / Maintenance / Scheduled maintenance service / 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:
Seat Cushion Height Adjustment (Driver's Seat only)
To raise or lower the front part of the seat cushion, turn the knob forward or
rearward. ...
MAX A/C-Level (B, D)
To operate the MAX A/C, turn the temperature knob to extreme left. Air flow is
directed toward the upper body and face. In this mode, the air conditioning and
the recirculated air position will ...
Filter inspection
The climate control air filter should be replaced according to the Maintenance
Schedule. If the vehicle is operated in severely air-polluted cities or on dusty
rough roads for a long period, it sh ...


