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:
Cruise Control System
The cruise control system allows you to program the vehicle to maintain a constant
speed without resting your foot on the accelerator pedal.
This system is designed to function above approximately ...
Checking Engine Cooling Fan
The engine cooling fan should come on automatically if the engine coolant temperature
is high. ...
Door Ajar Warning Light and Chime
The door ajar warning light warns you that a door is not completely closed and
the chime warns you that the key is in the ignition switch.
NOTE :
The warning chime only sounds whenever the key i ...


