GMC Envoy XL Automobile User Manual


 
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.
z9y(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.
Extended Wheelbase
To operate the rear air conditioning system, the front air
conditioning system must be on. With the front air
conditioning system off, the rear system controls can
only be used to circulate air in the rear of the vehicle.
To adjust the airflow
speed, turn the fan knob
(driver override switch),
located on the floor
console to 1, 2, or 3.
The rear mode and
temperature position will
now mimic the front control
system mode and
passenger side
temperature.
To activate the second row seat controls in the following
systems, set the fan knob, located on the front
console, to R.
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