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:
90,000 miles (144,000 km) or 72 months
❑ Inspect vacuum hose
❑ Inspect air conditioning refrigerant
❑ Inspect brake hoses and lines
❑ Inspect drive shafts and boots
❑ Inspect electronic throttle contr ...
MULTI BOX
The multi box is opened by pushing the knob downward. ...
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 ...


