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:
Vapor hose and fuel filler cap
The vapor hose and fuel filler cap should be inspected at those intervals specified
in the maintenance schedule. Make sure that a new vapor hose or fuel filler cap
is correctly replaced. ...
Power windows
The power windows operate when the ignition
key is in the "ON" position. The main switches
are located on the driver's armrest and control
the front and rear windows on both sides of th ...
Checking Engine Cooling Fan
The engine cooling fan should come on automatically if the engine coolant temperature
is high. ...


