Chevrolet 2006 TrailBlazer EXT Owner's Manual page 169

H
(Panel): When panel mode is selected, the rear
system will distribute air from the four headliner outlets.
)
(Bi-level): When bi-level mode is selected, the
rear system will distribute air from the four headliner
outlets, the second seat side floor outlets, and the third
seat floor outlet.
6
(Floor): When floor mode is selected, the rear
system will distribute air from the second seat side floor
outlets and the third seat floor outlet.
If your vehicle has the rear seat audio system, the lower
buttons are used to adjust the rear seat climate
control system. The temperature of the air coming
through the rear outlets is determined by the front
passenger's temperature setting.
P (On/Off): Press this button to turn the rear climate
controls on or off.
z9 y
(Fan): Press this button to adjust the fan
speed.
z\ y
(Mode): Press this button to change the
direction of airflow (panel, bi-level or floor) to the rear
seat area.
The rear control will only turn on if the front is on and
not in defrost mode.
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