Kia Optima: Maintenance / Engine coolant

Kia Optima DL3 2019-2022 Owner's Manual / Maintenance / 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.

Engine oil
Checking the engine oil level ■ THETA 2.4L - GDI 1. Be sure the vehicle is on level ground. 2. Start the engine and allow it to reach normal operating temperature. 3. Turn the engine off and w ...

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 serious ...

Other information:

Kia Optima DL3 2019-2022 Owner's Manual: Interior overview


1. Inside door handle 2. Driver position memory button 3. Power window switch 4. Central door lock switch 5. Power window lock button 6. Outside rearview mirror control 7. Outside rearview mirror folding 8. Fuel filler lid open button 9. Trunk open button 10. ESC off button 11. Instrumen ...

Kia Optima DL3 2019-2022 Service and Repair Manual: Manifold Absolute Pressure Sensor (MAPS) & Intake Air Temperature Sensor (IATS)


Specifications Specification Manifold Absolute Pressure Sensor (MAPS) Pressure Output Voltage (V) kPa kgf/cm² psi 20 0.2 2.9 0.79 46. ...

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