Kia K900: Mode selection
The mode selection button controls the direction of the air flow through the ventilation system.
The air flow outlet port is converted as follows:

Face-Level (B, C, D, E, F, G)

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 (B, C, D, E, F, G)

Air flow is directed towards the face and the floor.
Floor & Defrost (A, C, D, E, F, G)

Most of the air flow is directed to the floor and the windshield with a small amount directed to the side window defrosters.
Floor-Level (A, C, D, E, F, G)

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 defrosters.

Defrost-Level (A)
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 horizontal thumbwheel. To close the vent, rotate it left to the maximum position. To open the vent, rotate it right to the desired position.
Also, you can adjust the direction of air delivery from these vents using the vent control lever as shown.
Manual heating and air conditioning
Temperature controlWarning indicator
If the LDWS warning indicator (yellow) comes on, the LDWS is not working properly.
Take your vehicle to an authorized K900 Kia dealer and have the system checked. ...
The LDWS may not warn you even if the vehicle leaves the lane, or may warn you
even if the vehicle does not leave the lane when
The lane can't be visible due to snow, rain, stain, a puddle or other environmental
conditions.
The brightness of the outside changes suddenly such as tunnel enter/exit.
Not turning on t ...
22,500 miles (36,000 km) or 18 months
Rotate tires
Inspect air cleaner filter
Inspect vacuum hose
Inspect power steering fluid
Inspect fuel lines, fuel hoses and connections
Inspect vapor hose and fuel filler cap
Inspect fu ...