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:
If the Engine Overheats
If your temperature gauge indicates overheating, you experience a loss of power,
or hear loud pinging or knocking, the engine is probably too hot. If this happens,
you should:
1. Pull off the roa ...
Changing a Flat Tire
The procedure described on the following pages can be used to rotate tires as
well as to change a flat tire. When preparing to change a flat tire, check to be
sure the gear selector lever is in ...
When to Wax Again
You should polish and wax the car again when water no longer beads on a clean
surface but spreads out over a larger area. ...


