GMC Terrain Denali 2015 Owner's Manual page 155

8-4 Climate Controls
Automatic Operation
The system automatically controls
the fan speed, air delivery, air
conditioning, and recirculation to
heat or cool the vehicle to the
selected temperature.
When the AUTO indicator light is
on, the system is in full automatic
operation.
To place the system in
automatic mode:
1. Press AUTO.
2. Set the temperature. Allow the
system time to stabilize. Then
adjust the temperature as
needed.
To improve fuel efficiency and to
cool the vehicle faster,
recirculation may be
automatically selected in warm
weather. The recirculation light
will not come on. Press the
to select recirculation; press it
again to select outside air.
Manual Operation
(Power): Press to turn the
climate control system on or off.
A
(Fan Control): Turn to increase
or decrease the fan speed.
Adjusting the fan speed while in
automatic mode places the fan
under manual control. The AUTO
indicator light turns off. The air
delivery mode remains in automatic
control.
Temperature Control: Turn to
increase or decrease the
temperature inside the vehicle.
/ (Air Delivery Mode
Control): Press mode up or mode
down to cycle through the different
air delivery modes. The current
mode is shown on the display.
Select from the following:
F (Vent): Air is directed to the
h instrument panel outlets.
* (Bi-Level): Air is directed to the
instrument panel outlets and the
floor outlets.
7 (Floor): Air is directed to the
floor outlets.
(Defog): Clears the windows of
fog or moisture. Air is directed to the
windshield and floor outlets.
0
FRONT (Front Defrost): Clears
the windshield of fog or frost more
quickly. Air is directed to the
windshield and side window outlets.
Selecting defrost disables the
automatic mode.
For best results, clear all snow and
ice from the windshield before
defrosting.
Do not drive the vehicle until all the
windows are clear.
For vehicles with Fuel Economy
Mode, the climate controls may take
longer to heat or cool the cabin and
the rear window defogger will turn
off sooner, when this feature is in
use. See Fuel Economy Mode on
page 9-29.