Jeep 2004 Wrangler Owner's Manual page 152

152 UNDERSTANDING YOUR INSTRUMENT PANEL
Temperature Control
The temperature control is the center knob located on the
climate controls. It controls the temperature of the air
delivered to the passenger compartment.
The "Blue" area on the left side of the control indicates
cooler temperatures while the "Red" area indicates
warmer temperatures.
Mode Selection
The mode selector is the right knob located on the climate
controls. It can be set in any of the following positions:
Off
Turning the rotary knob to this position shuts off
the blower motor and outside air will not come
through any outlet.