2015 GMC TERRAIN air conditioning

Black plate (5,1)GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-7707484) - 2015 - crc - 10/1/14
Introduction v
Vehicle Symbol Chart
Here are some additional symbols
that may be found on the vehicle
and what they mean. For more
information on the symbol, refer to
the Index.
9:Airbag Readiness Light
#:Air Conditioning
!:Antilock Brake System (ABS)
$:Brake System Warning Light
":Charging System
I:Cruise Control
B:Engine Coolant Temperature
O:Exterior Lamps
#:Fog Lamps
.:Fuel Gauge
+:Fuses
3:Headlamp High/Low-Beam
Changer
j: LATCH System Child
Restraints
*: Malfunction Indicator Lamp
::Oil Pressure
J:OnStar®
}:Power
/:Remote Vehicle Start
>:Safety Belt Reminders
%:Steering Wheel Controls
7:Tire Pressure Monitor
d:Traction Control/StabiliTrak®
M:Windshield Washer Fluid

Black plate (14,1)GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-7707484) - 2015 - crc - 10/1/14
1-14 In Brief
Climate Controls
The vehicle's heating, cooling, defrosting, and ventilation can be controlled
with these systems.
Climate Control System
1. Fan Control
2. Air Delivery Mode Controls
3. Temperature Control
4. Outside Air5. Front Defrost
6. Rear Window Defogger
7. Recirculation
8. A/C (Air Conditioning)

Black plate (15,1)GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-7707484) - 2015 - crc - 10/1/14
In Brief 1-15
Automatic Climate Control System
1. Fan Control
2. AUTO (Automatic Operation)
3. Air Delivery Mode Controls
4. Front Defrost
5. Recirculation
6. Temperature Control
7. Power8. Driver and Passenger Heated
Seats
9. Rear Window Defogger
10. A/C (Air Conditioning)
See Climate Control Systems on
page 8-1 (If Equipped) or Automatic
Climate Control System on page 8-3
(If Equipped).
Parking Brake
To set the parking brake, hold the
regular brake pedal down, then
push the parking brake pedal down.
If the ignition is on, the brake
system warning light will come on.
See Brake System Warning Light on
page 5-14.

Black plate (25,1)GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-7707484) - 2015 - crc - 10/1/14
Instruments and Controls 5-25
Cruise Control Messages
APPLY BRAKE BEFORE
CRUISE
If this message displays when
attempting to activate cruise control,
apply the brake pedal and try again.
CRUISE SET TO XXX
This message displays when the
cruise control is set and shows the
speed it was set to. SeeCruise
Control on page 9-34.
Door Ajar Messages
DOOR OPEN
A door open symbol will be
displayed on the DIC showing which
door is open. If the vehicle has been
shifted out of P (Park), a DOOR
OPEN message will also be
displayed. Close the door
completely.
MANUALLY CLOSE THE
POWER LIFTGATE
This message will display if the
power liftgate encounters multiple
obstacles on the same power cycle.
After removing the obstructions, the
liftgate will resume normal power
operation.
REAR ACCESS OPEN
This message will display along with
a symbol when the liftgate is open.
Close the liftgate completely.
Engine Cooling System
Messages
A/C OFF DUE TO HIGH
ENGINE TEMP
This message displays when the
engine coolant becomes hotter than
the normal operating temperature.
To avoid added strain on a hot
engine, the air conditioning
compressor automatically turns off.
When the coolant temperature
returns to normal, the air conditioning compressor turns back
on. The vehicle can continue to be
driven.
If this message continues to appear,
have the system repaired by your
dealer as soon as possible to avoid
damage to the engine.
COOLANT LEVEL LOW ADD
COOLANT
This message will display if the
coolant is low. See
Engine Coolant
on page 10-15.
ENGINE OVERHEATED —
IDLE ENGINE
This message displays when the
engine coolant temperature is too
hot. Stop and allow the vehicle to
idle until it cools down.
ENGINE OVERHEATED —
STOP ENGINE
This message displays and a
continuous chime sounds if the
engine cooling system reaches
unsafe temperatures for operation.
Stop and turn off the vehicle as

Black plate (34,1)GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-7707484) - 2015 - crc - 10/1/14
5-34 Instruments and Controls
Each of the menus is detailed in the
following information.
Climate and Air Quality
Select and the following may
display:
.Auto Fan Speed
.Air Conditioning Mode
.Remote Start Auto Heat Seats
.Auto Defog
.Auto Rear Defog
Auto Fan Speed
This selection is available on
vehicles with the Automatic Climate
Control System. Choose from the
following blower speed settings:
High: Increased speed.
Low: Reduced speed.
Normal: Moderate speed.
Air Conditioning Mode
This will allow you to select whether
or not the air conditioning comes on
automatically the next time the vehicle is started. On means that
the air conditioning will be on at
start up, regardless of whether it
was on or off the last time the
vehicle was turned off. Off means
the air conditioning will be off at the
next start up, regardless of whether
it was on or off the last time the
vehicle was turned off. Last Setting
means that when the vehicle is
started, the air conditioning will
resume whichever setting it was at
the last time the vehicle was
turned off.
Select On, Off, or Last Setting.
Remote Start Auto Heat Seats
When on, this feature will turn the
heated seats on when using remote
start on cold days.
Select On or Off.
Auto Defog
When turned on and high humidity
is detected, the climate control
system may adjust to outside air
supply and turn on the air
conditioner or the heater. The fanspeed may slightly increase to help
prevent fogging. When high
humidity is no longer detected, the
system will return to its prior
operation.
Select On or Off.
Auto Rear Defog
When on, this feature turns on the
rear defogger at vehicle start when
the interior temperature is cold and
fog is likely. The auto rear defog
function can be disabled by
pressing
1. When off, the feature
can be turned on by pressing
1.
See “Rear Window Defogger” under
Climate Control Systems on
page 8-1 orAutomatic Climate
Control System on page 8-3.
Select On or Off.
Comfort and Convenience
Select and the following may
display:
.Easy Exit Driver Seat
.Chime Volume

Black plate (1,1)GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-7707484) - 2015 - crc - 10/1/14
Climate Controls 8-1
Climate Controls
Climate Control Systems
Climate Control Systems . . . . . . 8-1
Automatic Climate ControlSystem . . . . . . . . . . . . . . . . . . . . . . 8-3
Air Vents
Air Vents . . . . . . . . . . . . . . . . . . . . . . 8-6
Maintenance
Passenger Compartment AirFilter . . . . . . . . . . . . . . . . . . . . . . . . . 8-7
Climate Control Systems
The vehicle's heating, cooling, defrosting, and ventilation can be controlled
with this system.
1. Fan Control
2. Air Delivery Mode Controls
3. Temperature Control
4. Outside Air
5. Front Defrost
6. Rear Window Defogger
7. Recirculation 8. A/C (Air Conditioning)
A(Fan Control):
Turn to increase
or decrease the fan speed. Turn the
knob completely to
Tto turn the
fan off.
Temperature Control: Turn to
increase or decrease the
temperature.

Black plate (2,1)GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-7707484) - 2015 - crc - 10/1/14
8-2 Climate Controls
Air Delivery Mode Control:To
change the current mode, select
one of the following:
F (Vent): Air is directed to the
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.
W(Defog): Clears the windows of
fog or moisture. Air is directed to the
windshield and floor outlets.
0FRONT (Front Defrost): Clears
the windshield of fog or frost more
quickly. Air is directed to the
windshield and side window outlets.
For best results, clear all snow and
ice from the windshield before
defrosting.
Do not drive the vehicle until all the
windows are clear.
If equipped with the 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.
Air Conditioning
A/C (Air Conditioning): Press to
turn the air conditioning on or off.
If the fan is turned off or the outside
temperature falls below freezing, the
air conditioning will not work.
h(Recirculation): Press to turn
on the recirculation. An indicator
light comes on. Air is recirculated
inside the vehicle. It helps to quickly
cool the air inside the vehicle and
reduce the outside air and odor that
might enter. The air conditioning
may come on under certain
conditions.
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. To override
this feature, select outside air.
%(Outside Air): Press to turn
on the outside air. An indicator light
comes on. Outside air is circulated
throughout the vehicle.
Rear Window Defogger
1REAR (Rear Defogger): Press
to turn the rear window defogger on
or off. An indicator light on the
button comes on to show that the
rear window defogger is on. It turns
off if the ignition is put in the ACC/
ACCESSORY or LOCK/OFF
position.
The ignition must be on to use the
rear window defogger.
Do not drive the vehicle until all the
windows are clear.

Black plate (3,1)GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-7707484) - 2015 - crc - 10/1/14
Climate Controls 8-3
{Caution
Do not use a razor blade or sharp
object to clear the inside rear
window. Do not adhere anything
to the defogger grid lines in the
rear glass. These actions may
damage the rear defogger.
Repairs would not be covered by
the vehicle warranty.
Automatic Climate Control System
The vehicle's heating, cooling, defrosting, and ventilation can be controlled
with this system.
1. Fan Control
2. AUTO (Automatic Operation)
3. Air Delivery Mode Controls
4. Front Defrost
5. Recirculation
6. Temperature Control
7. Power8. Driver and Passenger Heated
Seats
9. Rear Window Defogger
10. A/C (Air Conditioning)