Buick 2006 Rainier - Manual (Page 146)

Rear Climate Control System
The lower buttons on the rear seat audio are used to
adjust the rear seat climate controls. The temperature
of the air coming through the rear outlets is determined
by the front passenger’s temperature setting.
z9y
(Fan) Press this button to adjust the
fan speed.
z\y
(Mode) Press this button to change the
direction of airflow in the rear seat area to either vent,
bi-level or floor mode.
P (On/Off) Press this button to turn the rear climate
controls on or off.
The rear control will only turn on if the front is on and
not in defrost mode.
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