Kia Optima: Mode selection
The mode selection button controls the direction of the air flow through the ventilation system.
Every time you press the mode selection button, the mode will change as follows:

Refer to the illustration in the “Manual climate control system”.
Face-Level
Air flow is directed toward the upper body and face. Additionally, each outlet can be controlled to direct the air discharged from the outlet.
Bi-Level
Air flow is discharged towards the face and floor.
Floor-Level
Most of the air flow is directed to the floor, with a small amount of the air being directed to the windshield and side window defroster.
Floor/Defrost-Level
Most of the air flow is directed to the floor and the windshield with a small amount directed to the side window defrosters.

Defrost-level
Most of the air flow is directed to the windshield with a small amount of air directed to the side window defrosters.

Instrument panel vents
The outlet vents can be opened or closed separately using the thumbwheel. Also, you can adjust the direction of air delivered from these vents using the vent control lever as shown.
Manual heating and air conditioning
Temperature controlWheel Alignment and Tire Balance
The wheels on your vehicle were aligned and balanced carefully at the factory
to give you the longest tire life and best overall performance.
In most cases, you will not need to have your wheels al ...
Inspection
1.
Turn ignition switch OFF.
2.
Disconnect the oil temperature
sensor connector.
3.
Measure resistance between sensor
signal terminal and sensor g ...
Description and Operation
Description
The hydraulic system consists of oil, an oil filter, an oil pump, and a valve body
(valves and solenoid valves). The oil pump is powered by the engine. ATF passes
through the oil filt ...