52,500 miles (84,000 km) or 42 months
Hyundai Sonata / Sonata 2011 Owners Manual / Maintenance / Scheduled maintenance service / 52,500 miles (84,000 km) or 42 months
❑ Inspect air cleaner filter ❑ Inspect vacuum hose ❑ Replace engine oil and filter (52,500 miles (84,000 km) or 84 months)
See also:
Cleaning the interior
To Clean the Vinyl Upholstery
To clean the vinyl upholstery, first remove loose
dirt and dust with a vacuum cleaner. Then apply
a solution of mild soap or detergent and water
using a clean sponge ...
Spark plugs
Make sure to install new spark plugs of the correct heat range. ...
Catalytic converter
(If installed)
Hyundai vehicles are equipped with a monolith
type three-way catalytic converter to reduce
the carbon monoxide, hydrocarbons and nitrogen
oxides contained in the exhaust gas. Exha ...


