22,500 miles (36,000 km) or 18 months
Hyundai Sonata / Sonata 2011 Owners Manual / Maintenance / Scheduled maintenance service / 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)
See also:
Operating door locks from inside the vehicle
With the door lock button
• To unlock a door, push the door lock button (1) to the “Unlock” position. The
red mark (2) on the button will be visible.
• To lock a door, push the door lock button ...
When to Wax Again
You should polish and wax the car again when water no longer beads on a clean
surface but spreads out over a larger area. ...
Engine
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