Hyundai Sonata: Changing the coolant - Engine coolant - Maintenance - Hyundai Sonata Owners ManualHyundai Sonata: Changing the coolant

Have coolant changed by an authorized HYUNDAI dealer according to the Maintenance Schedule at the beginning of this section.

CAUTION

Put a thick cloth or fabric around the radiator cap before refilling the coolant in order to prevent the coolant from overflowing into engine parts such as generator.

WARNING - Coolant

• Do not use radiator coolant or antifreeze in the washer fluid reservoir.

• Radiator coolant can severely obscure visibility when sprayed on the windshield and may cause loss of vehicle control or damage to paint and body trim.

    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 ...

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