Rear Air Conditioning And Heating Systems (Wagon Models) - GMC 1994 Yukon Owner's Manual

Fan Control Button
This button is in the upper right corner of your system control panel. The
fan has four settings
-
low, medium low, medium high and high. Press the
top of the button
(+)
to increase the air flow. Press the bottom of the button
(-)
to decrease the air flow. The setting you select is shown on your display
as LOW, MED LOW, MED HI or HI.
OFF Button
Press this button to turn the air conditioning/heating system off. Pressing
OFF
will erase the present mode of operation from the system's memory.
Outside air will still come out of the heater outlet whenever the vehicle is
moving forward.
If the OFF button was pressed, you must press A/C, MAX, or one of the
BLEND buttons for the system to come back on.
Rear Air Conditioning and Heating Systems (Wagon
Models)
If your vehicle has either or both of these systems, you can increase and
decrease the air flow at the rear vents. Depending on the system you have
and the setting selected, you can send cooled or heated air to the rear of the
vehicle.
Rear Air Conditioning (Without Rear Heater)
If your vehicle has rear air conditioning (without rear heater), the controls
are located above the front and second seats. The front and rear overhead
controls let you increase and decrease the air flow at the rear vents.
Front Control Rear Control
3-8