Kia Optima: 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 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 ...
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:
Description and operation
Description
The auto defogging sensor is installed on the front window glass. The sensor
judges and sends signal if moisture occurs to blow out wind for defogging. The air
conditioner control module receives signal from the sensor and restrains moisture
...
Components and components location
Component Location
1. Engine Control Module (ECM)
Schematic diagrams
Connector and Terminal function
ECM Terminal Function
[Connector A]
Pin
Function
...