See also:

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 ...

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 ...

Emission control system
The emission control system of your vehicle is covered by a written limited warranty. Please see the warranty information contained in the Warranty & Maintenance booklet in your vehicle. Your ...