97,500 miles (156,000 km) or 78 months
Hyundai Sonata / Sonata 2011 Owners Manual / Maintenance / Scheduled maintenance service / 97,500 miles (156,000 km) or 78 months
❑ Inspect air cleaner filter ❑ Inspect vacuum hose ❑ Replace engine oil and filter (97,500 miles (156,000 km) or 156 months)
See also:
Spark Plugs
Make sure to install new spark plugs of the correct heat range. ...
Rear window defroster
The defroster heats the window to remove frost, fog and thin ice from the rear
window, while the engine is running. To activate the rear window defroster, press
the rear window defroster butto ...
Headrest
The driver's and front passenger's seats are equipped with a headrest for the
occupant's safety and comfort.
The headrest not only provides comfort for the driver and front passenger, ...


