Hyundai Sonata: Changing the coolant - Engine coolant - MaintenanceHyundai 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.
    Checking the coolant level
    WARNING Removing radiator cap Never attempt to remove the radiator cap while the engine is operating or hot. Doing so might lead to cooling system and engine damage and could result in se ...

    Brake fluid
    Checking the brake/clutch fluid level Check the fluid level in the reservoir periodically. The fluid level should be between MAX and MIN marks on the side of the reservoir. Before removing the ...

    See also:

    Manual Transaxle. Repair procedures
    Removal 1. Remove the air duct(A). 2. Remove the engine cover(B). 3. Remove the air cleaner assembly(C). ...

    Refrigerant Line Repair procedures
    Replacement 1. If the compressor is marginally operable, run the engine at idle speed, and let the air conditioning work for a few minutes, then shut the engine off. 2. Disconnect the nega ...

    Components and Components Location
    Components 1. WI-FI antenna (AVN Only)2. Roof antenna3. Extenal amplifier4. AVN head unit (with Blue Link)5. Blue Link unit (Audio Only)6. Blue Link keypad ...