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: Checking the tire inflation pressure

1.After driving approximately 7 ~ 10 km (4 ~ 6 miles) or about 10 minutes, stop at a suitable location. 2.Connect the filling hose (3) of the compressor (clip mounted side) directly and then connect the filling hose (3) (opposite side) to the tire valve. 3.Connect between compressor and the ve ...

Kia Optima DL3 2019-2025 Owner's Manual: Air bag collision sensors

(1) SRS control module/ Rollover sensor (2) Front impact sensor (3) Side impact sensor (4) Side impact sensor (5) Side impact sensor WARNING - Air bag sensors Do not hit or allow any objects to impact the locations where air bags or sensors are installed. This may cause unexpected ai ...