Hyundai Sonata (2009)

    See also:

    Check Spark Plugs and Ignition System
    Inspect your spark plugs and replace them if necessary. Also check all ignition wiring and components to be sure they are not cracked, worn or damaged in any way. ...

    Checking Engine Cooling Fan
    The engine cooling fan should come on automatically if the engine coolant temperature is high. ...

    Heating and air conditioning
    1. Start the engine. 2. Set the mode to the desired position. To improve the effectiveness of heating and cooling : - Heating: - Cooling: 3. Set the temperature control to the desired position. ...