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 ...
High mounted stop light replacement
If the light is not operating, have the vehicle checked by an authorized HYUNDAI
dealer. ...
Don't Neglect the Interior
Moisture can collect under the floor mats and carpeting to cause corrosion. Check
under the mats periodically to be sure the carpeting is dry. Use particular care
if you carry fertilizers, cleanin ...


