Kia Optima: Emission Control System

Gasoline Containing Alcohol and Methanol

Gasohol, a mixture of gasoline and ethanol (also known as grain alcohol), and gasoline or gasohol containing methanol (also known as wood alcohol) are being marketed along with or instead of leade ...

Vehicle Modifications

This vehicle should not be modified. Modification of your Kia could affect its performance, safety or durability and may even violate governmental safety and emissions regulations. In addition, d ...

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If the engine overheats
If your temperature gauge indicates overheating, you will experience a loss of power, or hear loud pinging or knocking, the engine is probably too hot. If this happens, you should: 1. Pull of ...

Windshield Wiper Blade Replacement
When the wipers no longer clean adequately, the blades may be worn or cracked, and require replacement. ✽ NOTICE To prevent damage to the wiper blades, do not use gasoline, kerosene, paint ...

Power Steering
Checking the Power Steering Fluid Level With the vehicle on level ground, check the fluid level in the power steering reservoir periodically. The fluid level should be between MAX and MIN indicat ...