What to do in an emergency
Hyundai Sonata / Sonata 2011 Owners Manual / What to do in an emergency
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Engine coolant
The high-pressure cooling system has a reservoir filled with year-round antifreeze
coolant. The reservoir is filled at the factory.
Check the antifreeze protection and coolant level at least once a ...
Automatic heating and air conditioning
The automatic climate control system is controlled by simply setting the desired
temperature.
The Full Automatic Temperature Control (FATC) system automatically controls the
heating and cooling s ...
Filter inspection
The climate control air filter should be replaced according to the Maintenance
Schedule. If the vehicle is operated in severely air-polluted cities or on dusty
rough roads for a long period, it sh ...


