Spark plugs
Hyundai Sonata / Sonata 2011 Owners Manual / Maintenance / Explanation of scheduled maintenance items / Spark plugs
Make sure to install new spark plugs of the correct heat range.
See also:
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 ...
120,000 miles (192,000 km) or 96 months
❑ Inspect vacuum hose
❑ Inspect air conditioning refrigerant
❑ Inspect brake hoses and lines
❑ Inspect drive shafts and boots
❑ Inspect electronic throttle contr ...
Maintenance services
You should exercise the utmost care to prevent damage to your vehicle and injury
to yourself whenever performing any maintenance or inspection procedures.
Should you have any doubts concerning the ...


