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:
Coolant
The coolant should be changed at the intervals specified in the maintenance schedule. ...
Checking the Brake Fluid Level
WARNING:
Use caution when handling brake fluid. It can damage your vision if it gets into
your eyes. It will also damage your vehicle's paint if spilled on it and not removed
immediately. ...
To Clean the Leather Upholstery
In the normal course of use, leather upholstered surfaces will, like any material,
pick-up dust and dirt. This dust and dirt must be cleaned off or it may work into
the surface of the leather, cau ...


