Kia Sedona: 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:

Refer to the illustration in the
Automatic heating and air conditioning
Temperature controlHeated Oxygen Sensor (HO2S) Schematic Diagrams
Circuit Diagram
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Relay Box (Engine Compartment) Components and Components Location
Components
Engine Room Junction Block
PCB Block
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