Sonata 2011 Owners Manual
Hyundai Sonata / Sonata 2011 Owners Manual
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Fuel requirements
Your new vehicle is designed to use only unleaded fuel having a pump octane number
((R+M)/2) of 87 (Research Octane Number 91) or higher.
Your new vehicle is designed to obtain maximum performance ...
Air Conditioning Refrigerant
Check the air conditioning lines and connections for leakage and damage. Check
air conditioning performance according to the relevant shop manual if necessary. ...
Vapor Hose and Fuel Filler Cap
The vapor hose and fuel filler cap should be inspected at those intervals specified
in the maintenance schedule. Make sure that a new vapor hose or fuel filler cap
is correctly replaced. ...


