GMC 2007 Sierra 1500 Pickup, Owner'S Manual

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Climate Controls
Climate Control System
Fan Knob
The fan knob on the left side of the control panel
adjusts the fan speed. Turn the knob clockwise
or counterclockwise, to increase or decrease
airflow. To turn the fan off, turn the knob to the off
position.
9
(Off): If the fan is off, outside air will still enter
the vehicle, and will be directed based on the
position of the mode knob. The temperature can
also be adjusted using the temperature knob.
Temperature Knob
The middle knob on the control panel lets you
select the temperature of the air flowing into the
passenger area. Turn the knob clockwise
toward the red area for warmer air. Turn the knob
counterclockwise toward the blue area for
cooler air.
Mode Knob
The right knob on the control panel allows you to
choose the direction of air delivery.
H
(Vent): This mode directs the air through the
instrument panel outlets.
)
(Bi-Level): This mode directs air through the
floor outlets as well as the instrument panel
outlets. The flow can be divided between vent and
floor outlets depending upon where the knob is
placed between the settings.
6
(Floor): This mode directs most of the air
through the floor outlets, and the rest of the air is
divided between the windshield defroster outlets
and the side window defroster outlets.
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