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THE VERDICT
Just a few years ago, the Kia Optima would have been a genuine competitor to the American sedans in the family car category. Unfortunately for Kia, companies like Ford and General Motors have made ...

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 ...

Climate control system
1. Temperature control knob 2. Air conditioning button (if equipped) 3. Air intake control button 4. Mode selection knob 5. Fan speed control knob Fan speed control knob Four (4) adjustable ...