Sonata 2011 Owners Manual

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Engine oil and filter
The engine oil and filter should be changed at the intervals specified in the maintenance schedule. If the car is being driven in severe conditions, more frequent oil and filter changes are requir ...

Front door edge warning light
A red light comes on when the front door is opened. The purpose of this light is to assist when you get in or out and also to warn passing vehicles. ...

Tire rotation
Tires should be rotated every 7,500 miles (12,000 km). If you notice that tires are wearing unevenly between rotations, have the car checked by a Hyundai dealer so the cause may be corrected. ...