Kia Optima: Maintenance / Engine coolant

Kia Optima DL3 2019-2025 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.

Checking the coolant level

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 2019-2025 Owner's Manual: Tail lamp bulb replacement

1. Open the trunk lid. 2. Loosen the retaining screw of the trunk lid cover and then remove the cover. 3. Remove the nuts from the vehicle. 4. Disconnect the rear combination lamp (inside) connector. 5. Remove the rear combination lamp (inside) assembly from the body of the vehicle. 6. ...

Kia Optima DL3 2019-2025 Service and Repair Manual: Trunk Lid Trim

Components and components location Component Location 1. Trunk lid trim Repair procedures Replacement • When removing with a flat-tip screwdriv ...