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:
Light bulb position (Rear)
■ Rear combination lamp - Type A
■ Rear combination lamp - Type B
■ Rear combination lamp - Type C
■ License plate lamp
■ High mounted stop lamp
(1) Rear turn signal lamp (bulb type)
(2) Back-up lamp (bulb type)
(3) Stop and tail lamp (bulb type ...
Repair procedures
Inspection
•
Wrap tin foil around the end of the voltmeter test lead to prevent
damaging the heater line. Apply pressure on the tin foil with hand
and move the t ...