52,500 miles (84,000 km) or 42 months
Hyundai Sonata / Sonata 2011 Owners Manual / Maintenance / Scheduled maintenance service / 52,500 miles (84,000 km) or 42 months
❑ Inspect air cleaner filter ❑ Inspect vacuum hose ❑ Replace engine oil and filter (52,500 miles (84,000 km) or 84 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 ...
Coolant
The coolant should be changed at the intervals specified in the maintenance schedule. ...
Checking the Engine Oil
Engine oil is essential to the performance and service of the engine. It is suggested
that you check the oil level at least once a week in normal use and more often if
you are on a trip or driving ...


