Hyundai Sonata (2009)

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    Manual climate control system
    To defog inside windshield 1. Select any fan speed except “0” position. 2. Select desired temperature. 3. Select the or position. 4. The outside (fresh) air will be selected automatically. I ...

    Checking the Battery
    Keep the battery clean. Any evidence of corrosion around the battery posts or terminals should be removed using a solution of household baking soda and warm water. After the battery terminals are ...

    Checking electric cooling fans
    WARNING: The cooling fan is controlled by engine coolant temperature and may sometimes operate even when the engine is not running. Use extreme caution when working near the blades of the cooling ...