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 Service and Repair Manual: Engine Electrical System

Service data Service Data Ignition System Ignition Coil Item Specification Primary Coil Resistance (Ω) 0.75 ± 15% [20°C (68°F)] Secondary Coil Resistance (kΩ) 5.9 ± 15% [20°C (68 ...

Kia Optima DL3 2019-2020 Owner's Manual: Air bag Warning Light, Seat Belt Warning Light

Air bag Warning Light This warning light illuminates: Once you set the ignition switch or Engine Start/Stop Button to the ON position. - It illuminates for approximately 6 seconds and then goes off. When there is a malfunction with the SRS. Recommend you have your vehicle inspected by ...