Kia Optima: Maintenance / Engine coolant

Kia Optima DL3 2019-2020 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 2019-2020 Owner's Manual: Removal and reinstallation

■ Type A ■ Type B To remove the headrest: 1. Recline the seatback (2) with the recline lever or switch (1). 2. Raise headrest as far as it can go. 3. Press the headrest release button (3) while pulling the headrest up (4). WARNING - Headrest Removal NEVER allow anyone to ride in a sea ...

Kia Optima DL3 2019-2020 Owner's Manual: Sunroof inside air recirculation

The outside (fresh) air position is automatically selected, when the sunroof is opened. When you select the recirculated air position, the system maintains the recirculated air position for 3 minutes and then automatically converts to the outside (fresh) air position. When the sunroof is clo ...