Kia Optima: Maintenance schedule

Owner maintenance schedule

When you stop for fuel: Check the engine oil level. Check the coolant level in coolant reservoir. Check the windshield washer fluid level. Look for low or under-inflated tires. Whil ...

Engine control system

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See also:

Positive Crankcase Ventilation (PCV) Valve. Description and Operation
Operation Principle ...

Schematic Diagrams
System Block Diagram ...

Manual heating and air conditioning
The heating and cooling system can be controlled manually by pushing buttons other than the AUTO button. In this case, the system works sequentially according to the order of buttons selected. 1. ...