Kia Optima: Check battery and cables

Use high quality ethylene glycol coolant

Your vehicle is delivered with high quality ethylene glycol coolant in the cooling system. It is the only type of coolant that should be used because it helps prevent corrosion in the cooling ...

Change to "winter weight" oil if necessary

In some climates it is recommended that a lower viscosity "winter weight" oil be used during cold weather. See section 8 for recommendations. If you aren't sure what weight oil y ...

See also:

ETC (Electronic Throttle Control) System. Schematic Diagrams
Circuit Diagram ...

Windows
(1) Driver’s door power window switch (2) Front passenger’s door power window switch (3) Rear door (left) power window switch (4) Rear door (right) power window switch (5) Window opening and ...

The Importance of the Passenger Being Properly Seated
The front seat passenger’s air bag is much larger than the steering wheel air bag and inflates with considerably more force. It can seriously hurt or kill a passenger who is not in the proper ...