GMC YUKON XL 2003 Manual page 176

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(Off): Press this button to turn
off
the entire climate
control system. Outside air will still enter the vehicle,
and will be directed to the floor. This direction can
be changed by pressing the mode button. The
temperature can also be adJusied using either
temperature knob. Press the up or down arrows on the
fan switch, the defrost button, the AUTO button, or
the air conditioning button to turn the system on when it
is off.
%
v
(Mode): Press this button to manually select the air
delivery mode to the floor, panel, or windshield
outlets. This system will stay in the selected mode until
the mode button is pressed again, or the AUTO
button, defrost button, or the
off
button is pressed. Air
delivery mode can be adjusted while the system is off.
A five second status display will indicate the
current mode.
Display: In the full AUTO mode, the automatic dual
climate control system display will show the driver
set temperature and an arrow pointing to the driver's
side. An arrow pointing to the passenger's side will
display if both sides are set to the same temperature. If
the temperature settings are not the same, the
opposite side temperature setting will be displayed for
an additional five seconds. During the five second status
display the current mode and blower speed will be
displayed.
Driver's Side Temperature Knob: Turn this knob
clockwise or counterclockwise to manually raise or lower
the temperature on the driver's side of the vehicle.
The display will show the temperature setting decreasing
temperature can be adjusted even if the system is
turned off. If the passenger's set temperature has not
been adjusted this knob controls both the driver's
and passenger's air temperature. The temperature to
the rear seat area is controlled by using this knob.
or increasing and an arrow pointing to the driver. The
Passenger's Side Temperature Knob: Turn this knob
clockwise or counterclockwise to manually raise or
lower the temperature on the passenger's side of the
vehicle. The display will show the temperature
setting decreasing or increasing and an arrow pointing
to the passenger. The temperature can be adjusted
even if the system is turned
off.
Once this knob is used,
the passenger's temperature will remain independent
of the driver's until the AUTO button is pressed and held
for approximately four seconds.
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