Kia Optima: Engine coolant - Maintenance - Kia Optima TF 2011-2020 Owners ManualKia Optima: 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 year, at the beginning of the winter season, and before traveling to a colder climate.

Changing the engine oil and filter
Have engine oil and filter changed by an authorized Kia dealer according to the Maintenance Schedule at the beginning of this section. WARNING Used engine oil may cause irritation or cancer ...

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. Also, hot ...

See also:

HAC (Hill-start assist control)
Hill start Assist Control is a comfort function. The main intend is to prevent the vehicle from rolling backwards while driving off uphill on an inclined surface. HAC holds the braking pressure bu ...

Parking Brake
Checking the Parking Brake Check the stroke of the parking brake by counting the number of clicks heard while fully applying it from the released position. Also, the parking brake alone shou ...

Glass antenna
When the radio power switch is turned on while the ignition key is in either the ON or ACC position, your car will receive both AM and FM broadcast signals through the antenna in the rear wi ...

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