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.

    See also:

    Gasolines for Cleaner Air
    To help contribute to cleaner air, Hyundai recommends you use gasolines treated with detergent additives, which help prevent deposit formation in the engine. These gasolines will help the engine r ...

    Good Driving Practices
    o Never move the gear selector lever from "P" or "N" to any other position with the accelerator pedal depressed. o Never move the gear selector lever into "P" when the ...

    SIX-SPEED AUTOMATIC AND MANUAL TRANSMISSIONS
    Hyundai's commitment to making the Hyundai Sonata extremely fuel efficient continues with a six-speed automatic transmission with SHIFTRONIC manual control or a standard six-speed manual transaxle ...