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:
To decrease the cruising speed
Follow either of these procedures:
o Push the -/SET switch and hold it. Your vehicle will gradually slow down. Release
the switch at the speed you want to maintain.
o Push the -/SET switch and r ...
Check Spark Plugs and Ignition System
Inspect your spark plugs and replace them if necessary. Also check all ignition
wiring and components to be sure they are not cracked, worn or damaged in any way. ...


