Hyundai Sonata: Changing the coolant - Engine coolant - Maintenance - Hyundai Sonata YF 2011-2019 Owner's 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.
    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:

    Rear Wheel Speed Sensor. Components and Components Location
    Components 1. Rear wheel speed sensor cable 2. Rear wheel speed sensor ...

    Hands Free Switch. Schematic Diagrams
    Circuit Diagram ...

    Description and Operation
    Description Ignition timing is controlled by the electronic control ignition timing system. The standard reference ignition timing data for the engine operating conditions are preprogrammed ...