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:
Repair procedures
Adjustment
Smart Key Code Saving
1.
Connect the VCI II in driver side crash pad lower panel, turn the power
on KDS.
2.
Select the vehicle model and then do "Smart key code saving".
...
ESC ON condition
When the ignition is turned ON, ESC and ESC OFF indicator lights illuminate
for approximately 3 seconds, then ESC is turned on.
Press the ESC OFF button for at least half a second after turning the ignition
ON to turn ESC off. (ESC OFF indicator will illuminate). To tu ...