Sonata 2011 Owners Manual

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Adjusting the height up and down
To raise the headrest, pull it up to the desired position (1). To lower the headrest, push and hold the release button (2) on the headrest support and lower the headrest to the desired position ...

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 ...

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) ...