37,500 miles (60,000 km) or 30 months
Hyundai Sonata / Sonata 2011 Owners Manual / Maintenance / Scheduled maintenance service / 37,500 miles (60,000 km) or 30 months
❑ Inspect air cleaner filter ❑ Inspect vacuum hose ❑ Inspect manual transaxle fluid (if equipped) ❑ Replace engine oil and filter (37,500 miles (60,000 km) or 60 months)
See also:
Brake Fluid
Check brake fluid level in the brake fluid reservoir. The level should be between
"MIN" and "MAX" marks on the side of the reservoir. ...
Valve clearance
Inspect excessive valve noise and/or engine vibration and adjust if necessary.
An authorized HYUNDAI dealer should perform the operation. ...
Locking doors
1. Close all doors.
2. Push the "LOCK" button on the transmitter.
3. At the same time all doors lock, the turn signal light will blink once to
indicate that the system is locked. ...


