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:
Adding Oil
If the oil level is close to or below the "L" mark, add oil until it reaches
the "F" mark. To add oil:
1. Remove the oil filler cap by turning it counterclockwise.
2. Add oil ...
Gasoline containing alcohol and methanol
Gasohol, a mixture of gasoline and ethanol (also known as grain alcohol), and
gasoline or gasohol containing methanol (also known as wood alcohol) are being marketed
along with or instead of leade ...
Spark Plugs
Make sure to install new spark plugs of the correct heat range. ...


