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Outlet Adjustment
Use the slider switch in the center of the outlet, to
change the direction of the air flow. Use the thumbwheel
near the outlet to control the amount of air flow or to
shut off the airflow completely.
Keep all outlets open whenever possible for best
system performance.
Operation Tips
• Clear away any ice, snow, or leaves from the air
inlets at the base of the windshield that can
block the flow of air into the vehicle.
• Use of non-GM approved hood deflectors can
adversely affect the performance of the system.
• Keep the path under all seats clear of objects to
help circulate the air inside the vehicle more
effectively.
• If fogging reoccurs while in vent or bi-level modes
with mild temperature throughout the vehicle, turn
on the air conditioner to reduce windshield fogging.
Rear Air Conditioning and
Heating System
If your vehicle has this system, the rear controls are
three knobs located on the rear of the center console.
The system can be controlled from the front controls
as well as the rear controls.
To turn the system on, press the AUX button on the
front climate control system, an indicator will be
lit. Pressing the AUX button the first time will turn the
rear system on in a mimic mode. In this mode, the
airflow in the rear will be approximately the same
direction, temperature, and fan speed as the front.
Pressing the AUX button again will turn the rear system
and the indicator off.
If the rear controls are adjusted, the system turns on in
a rear independent mode. Airflow in the rear will
then be directed according to the settings of the rear
controls. The rear system can be turned off by pressing
the AUX button on the front climate control system
and the indicator will turn off. The system can be turned
back on, by adjusting any of the rear air conditioning
control knobs.
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