Kia Optima: Engine coolant - Maintenance - Kia Optima TF 2011-2023 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:

Exterior General Caution
It is very important to follow the label directions when using any chemical cleaner or polish. Read all warning and caution statements that appear on the label. ...

Antenna Coil. Repair procedures
Replacement 1. Disconnect the negative (-) battery terminal. 2. Remove the steering column upper and lower shrouds after loosening the screws (3EA). ...

Main components of ODS
A detection device located within the front passenger seat track. Electronic system to determine whether passenger air bag systems should be activated or deactivated. A indicator light locat ...

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