Kia Optima: Maintenance / Engine coolant

Kia Optima DL3 2019-2024 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 2019-2024 Owner's Manual: Cruise Control System

The cruise control system allows you to program the vehicle to maintain a constant speed without depressing the accelerator pedal. This system is designed to function above approximately 30 km/h (20 mph). If the cruise control is left on, (CRUISE indicator light in the instrument cluster ill ...

Kia Optima DL3 2019-2024 Service and Repair Manual: Crash Pad Center Panel

Components and components location Component Location 1. Crash pad center panel Repair procedures Replacement • When removing with a flat-tip ...