2010 GMC TERRAIN air conditioning

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)
g:Audio Steering Wheel Controls
or OnStar®
$: Brake System Warning Light
":Charging System
I:Cruise Control
B: Engine Coolant Temperature
O:Exterior Lamps
#:Fog Lamps
.: Fuel Gauge
+:Fuses
i: Headlamp High/Low-Beam
Changer
j: LATCH System Child
Restraints
*: Malfunction Indicator Lamp
::Oil Pressure
}:Power
/:Remote Vehicle Start
>:Safety Belt Reminders
7:Tire Pressure Monitor
F:Traction Control
M:Windshield Washer Fluid

Instruments and Controls 4-31
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. You can continue to
drive the vehicle.
If this message continues to appear,
have the system repaired by your
dealer/retailer as soon as possible
to avoid damage to the engine.
Coolant Level Low Add
Coolant
This message will display if the
coolant is low, seeEngine Coolant
on page 9‑16.
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
soon as it is safe to do so to avoid
severe damage. This message
clears when the engine has cooled
to a safe operating temperature.
High Coolant Temperature
This message displays if the coolant
temperature is hot, see Engine
Overheating on page 9‑20.
Engine Oil Messages
Change Engine Oil Soon
This message displays when the
engine oil needs to be changed.
When you change the engine oil, be
sure to reset the Oil Life System.
See Engine Oil Life System
on
page 9‑12and Driver Information
Center (DIC)on page 4‑25for
information on how to reset the
system. See Engine Oil
on
page 9‑10and Scheduled
Maintenanceon page 10‑2for
more information.
Engine Oil Hot, Idle Engine
This message displays when the
engine oil temperature is too hot.
Stop and allow the vehicle to idle
until it cools down.

4-34 Instruments and Controls
Service Stabilitrak
This message displays if there is a
problem with the StabiliTrak®
system. If this message appears, try
to reset the system. Stop; turn off
the engine for at least 15 seconds;
then start the engine again. If this
message still comes on, it means
there is a problem. See your dealer/
retailer for service. The vehicle is
safe to drive, however, you do not
have the benefit of StabiliTrak, so
reduce your speed and drive
accordingly.
Stabilitrak Off
This message displays when the
StabiliTrak system is turned off. See
StabiliTrak System
on page 8‑42for more information.
Traction Control Off
This message displays when the
Traction Control System (TCS) is
turned off. Adjust your driving
accordingly.
Traction Control On
This message displays when the
Traction Control System (TCS) is
first turned on. SeeTraction Control
System (TCS)
on page 8‑41for
more information.
Airbag System Messages
Service Airbag
This message is displayed if there is
a problem with the airbag system.
Take the vehicle to your dealer/
retailer for service.
Safety Belt Messages
Buckle Seatbelt
This message displays as a
reminder when the safety belt is
not buckled.
Anti-Theft Alarm System
Messages
Theft Attempted
This message displays if the vehicle
detects a tamper condition.
Service Vehicle Messages
Service AC System
This message is displayed if there is
a problem with the air conditioning
system. Take the vehicle to your
dealer/retailer for service.
Service Power Steering
This message is displayed if there is
a problem with the power steering
system. Take the vehicle to your
dealer/retailer for service.
Service Vehicle Soon
This message is displayed if there is
a problem with the vehicle. Take the
vehicle to your dealer/retailer for
service.

Instruments and Controls 4-37
Climate and Air Quality
Select the Climate and Air Quality
menu and the following will be
displayed:
.Auto Fan Speed
.Air Conditioning Mode
.Remote Start Auto Heat Seats
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.
Press the MENU / SELECT knob
when “Auto Fan Speed” is
highlighted. Turn the knob to
highlight “High”,“Normal”, or “Low”.
Press the knob to confirm the
selection and go back to the
last menu. 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 the when the
vehicle is started the air conditioning
will resume whichever setting it was
at the last time the vehicle was
turned off.
Press the MENU / SELECT knob
when “Air Conditioning Mode” is
highlighted. Turn the knob to
highlight “On”,“Off”, or “Last
Setting”. Press the knob to confirm
your selection and go back to the
last menu. Remote Start Auto Heat Seats
When on, this feature will turn the
heated seats on when using remote
start on cold days.
Press the MENU / SELECT knob
when
“Remote Start Auto Heat
Seats” is highlighted to toggle
between “On”or“Off”. Press0
BACK to confirm the selection and
go back to the last menu.
Comfort and Convenience
Select the Comfort and
Convenience menu and the
following will be displayed:
.Easy Exit Driver Seat
.Chime Volume
.Reverse Tilt Mirror

Climate Controls 7-1
Climate Controls
Climate Control Systems
Climate Control Systems . . . . . . 7-1
Automatic Climate ControlSystem . . . . . . . . . . . . . . . . . . . . . . 7-3
Air Vents
Air Vents . . . . . . . . . . . . . . . . . . . . . . 7-6
Climate Control Systems
The vehicle's heating, cooling, defrosting, and ventilation can be controlled
with this system.
A. Fan Control
B. Air Delivery Mode Control
C. Temperature Control
D. Outside Air
E. Defrost
F. Rear Window Defogger
G. Recirculation
H. Air Conditioning9(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.

7-2 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.
0(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.
Air Conditioning
#(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 or
prevent outside air and odors from
entering.
%(Outside Air): Press to turn
on the outside air. An indicator light
comes on. Outside air is circulated
throughout the vehicle.
Rear Window Defogger
<(Rear Defogger): Press to turn
the rear window defogger on or off.
The rear window defogger turns off
after about 10 minutes. It can also
be turned off by turning the ignition
to ACC/ACCESSORY or LOCK/
OFF. If turned on again, it runs for
about five minutes before
turning off.
Do not drive the vehicle until all the
windows are clear.
Notice: 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 your warranty.

Climate Controls 7-3
Automatic Climate Control System
The vehicle's heating, cooling, defrosting, and ventilation can be controlled
with this system.
Without Heated Seats
A. Fan Control
B. AUTO
C. Air Delivery Mode Control
D. Defrost
E. Recirculation F. Temperature Control
G. Power
H. Air Conditioning
I. Rear Window Defogger
J. Outside Air

7-4 Climate Controls
With Heated Seats
A. Fan Control
B. AUTO
C. Air Delivery Mode Control
D. Defrost
E. Recirculation F. Temperature Control
G. Power
H. Driver and Passenger
Heated Seats
I. Rear Window Defogger
J. Air Conditioning 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.