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. ...
To keep locks from freezing
To keep the locks from freezing, squirt an approved de-icer fluid or glycerine
into the key opening. If a lock is covered with ice, squirt it with an approved
de-icing fluid to remove the ice. If ...
Do not use methanol
Fuels containing methanol (wood alcohol) should not be used in your vehicle.
This type of fuel can reduce vehicle performance and damage components of the fuel
system. ...


