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 ...

See also:

Temperature control
The temperature control knob allows you to control the temperature of the air flowing from the ventilation system. To change the air temperature in the passenger compartment, turn the knob to th ...

Recommended cold tire inflation pressures
All tire pressures (including the spare) should be checked when the tires are cold. “Cold Tires� means the vehicle has not been driven for at least three hours or driven less than 1.6 km ...

Removal
1. Remove the radiator grill upper cover.(Refer to the BD group - "Front bumper") 2. Remove the mounting nut and disconnect the horn connector (B), then ...