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:

Mode Selection
Controls the direction of air flow through the ventilation system. The air from outlet port flows at any mode. Close the ventilation outlets using the knob to block the air flow if you do not wan ...

Removal
1. Disconnect the negative (-) battery terminal. 2. Remove the driver crash pad lower panel.(Refer to the BD group - "Crash pad") 3. Rem ...

Repair procedures
Starter Circuit Troubleshooting The battery must be in good condition and fully charged. 1. Disconnect the fuel ...

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