controls GMC ACADIA 2012 Owners Manual

Black plate (7,1)GMC Acadia/Acadia Denali Owner Manual - 2012
Climate Controls 8-7
6(Floor):Air is directed to the
floor outlets, with some of the air
directed to the windshield, side
window, and second row floor
outlets. In this mode, the system
uses outside air.
-(Defog): This mode clears the
windows of fog or moisture. Air is
directed to the windshield, floor
outlets, and side window vents.
When this mode is selected, the
system turns off recirculation and
runs the air conditioning compressor
unless the outside temperature is
less than 4°C (40°F). Do not drive
the vehicle until all the windows
are clear.
0(Defrost): Press to turn the
defrost on or off. This mode quickly
clears the windshield of fog or frost.
Air is directed to the windshield,
side window, and floor vents.
In this mode, outside air is
pulled inside the vehicle. The air conditioning system runs
automatically in this setting,
unless the outside temperature is
less than 4°C (40°F).
Do not drive the vehicle until all the
windows are clear.
While in defrost mode, if the PASS
button is pressed, the PASS button
indicator flashes three times to
show that the passenger climate
control system cannot be activated.
If the passenger temperature
buttons are adjusted while in
defrost mode, the driver
temperature indicator will change.
The passenger temperature will not
be displayed.
When returning to bi-level, vent,
or floor mode, the previous
temperature settings displays in
place of any change made while in
defrost mode.
Air Conditioning
#(Air Conditioning):
Press to
turn the air conditioning (A/C) on
and off. An indicator light comes on
when A/C is on.
The A/C does not work when the
outside temperature is below 4°C
(40°F). If
#is pressed the indicator
flashes three times and turns off to
show that the A/C mode is not
available. If the A/C is on and the
outside temperature drops below a
temperature which is too cool for
air conditioning to be effective, the
A/C indicator turns off to show that
the A/C mode has been canceled.
On hot days, open the windows
briefly to let hot inside air escape.
This helps reduce the time it takes
for the interior of the vehicle to
cool down.

Black plate (8,1)GMC Acadia/Acadia Denali Owner Manual - 2012
8-8 Climate Controls
The air conditioning system
removes moisture from the air, so
water might drip under the vehicle
while idling or after turning off the
engine. This is normal.
@(Recirculation):Press to turn
the recirculation mode on or off.
An indicator light comes on when
recirculation is on. When the engine
is turned off, the recirculation mode
automatically turns off and must be
re‐selected when the engine is
turned on again.
This mode recirculates and helps
to quickly cool the air inside the
vehicle. It can be used to prevent
outside air and odors from entering
the vehicle.
The recirculation mode cannot be
used with floor, defog, or defrosting
modes. If recirculation is selected
in these modes, the indicator
flashes three times and turns off. The air conditioning compressor
also comes on when this mode is
activated. While in recirculation
mode the windows can fog when
the weather is cold and damp.
To clear the fog, select either the
defog or defrost mode and increase
the fan speed.
REAR:
Press to turn the rear
heating and air conditioning on or
off. See Rear Climate Control
System (Rear Climate Control Only)
on page 8‑10 orRear Climate
Control System (Rear Climate with
Rear Seat Audio) on page 8‑11.
Rear Window Defogger
The rear window defogger uses a
warming grid to remove fog from the
rear window.
1(Rear Window Defogger):
Press to turn the rear window
defogger on or off. The rear window
defogger stays on for about
10 minutes, before turning off.
The defogger also turns off when
the engine is turned off. Do not drive
the vehicle until all the windows
are clear.
For vehicles with heated outside
rearview mirrors, fog or frost is
cleared from the surface of the
mirror when the rear window defog
button is pressed.
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.

Black plate (9,1)GMC Acadia/Acadia Denali Owner Manual - 2012
Climate Controls 8-9
Sensors
The solar sensor, located in the
defrost grille in the middle of the
instrument panel, monitors the solar
heat. Do not cover the solar sensor
or the system will not work properly.The interior temperature sensor
located on the instrument panel to
the right of the steering column,
measures the temperature of the
air inside the vehicle.There is also an exterior
temperature sensor located behind
the front grille. This sensor reads
the outside air temperature and
helps maintain the temperature
inside the vehicle. Any cover on the
front of the vehicle could cause a
false reading in the displayed
temperature.
The climate control system uses the
information from these sensors to
maintain comfort settings by
adjusting the temperature, fan
speed, and air delivery mode.
The system may also supply cooler
air to the side of the vehicle facing
the sun. The recirculation mode will
also be used as needed to maintain
cool outlet temperatures.

Black plate (10,1)GMC Acadia/Acadia Denali Owner Manual - 2012
8-10 Climate Controls
Rear Climate Control System (Rear Climate
Control Only)
A. Fan Control
B. Temperature Control
C. Air Delivery Mode Control
For vehicles with the rear climate
control system, the controls are
located on the rear of the center
console. The system can also be
controlled with the front controls.Press the REAR button on the front
climate control system to turn the
rear climate control system on or
off. An indicator comes on when the
rear system is on. The system also
turns on if any of the rear controls
are adjusted.
Mimic Mode:
This mode matches
the rear climate control to the front
climate control settings. It comes on
when REAR is pressed. Independent Mode:
This mode
directs rear seating airflow
according to the settings of the
rear controls. It comes on when
any rear control is adjusted.
Fan Control: Turn clockwise or
counterclockwise to increase or
decrease the fan speed. Turn the
knob to
9to turn the fan off.
Temperature Control: Turn
clockwise or counterclockwise to
increase or decrease the airflow
temperature.
Air Delivery Mode Control:
Turn to the desired mode to change
the airflow direction.
H (Vent): Air is directed through
the overhead outlets.
) (Bi-Level): Air is directed
through the rear floor outlets, as
well as the overhead outlets.
6 (Floor): Air is directed through
the floor outlets. The rear system
floor outlets are located under the
third row seats.

Black plate (11,1)GMC Acadia/Acadia Denali Owner Manual - 2012
Climate Controls 8-11
Rear Climate Control System (Rear Climate with Rear
Seat Audio)
A. Fan Control
B. Air Delivery Mode Control
C. Temperature Control
For vehicles with the rear climate
control system, the controls are
located on the rear of the center
console.Press the REAR button on the
front climate control system to turn
the rear climate control system on
or off. The system also turns on if
any of the rear controls, except
C,
are pressed. An indicator comes on
when the rear system is on.
The system can also be turned off,
by pressing and holding
C. Mimic Mode:
This mode matches
the rear climate control to the front
climate control settings. It comes on
when REAR is pressed.
Independent Mode: This mode
directs rear seating airflow
according to the settings of the
rear controls. It comes on when
any rear control is adjusted.
DandC(Fan Control): Press the
fan up or down buttons to increase
or decrease the fan speed.
Temperature Control: Press +
or −to increase or decrease
the air temperature. The
temperature settings will display
in 0‐12 increments, going from the
coolest (0) to the warmest (12)
setting.

Black plate (12,1)GMC Acadia/Acadia Denali Owner Manual - 2012
8-12 Climate Controls
N(Air Delivery Mode Control):
Press to manually change the
direction of the airflow. Repeatedly
press the button until the desired
mode appears on the display.
H(Vent): Air is directed through
the overhead outlets.
)(Bi-Level): Air is directed
through the rear floor outlets, as
well as the overhead outlets.
6(Floor): Air is directed through
the floor outlets. The rear system
floor outlets are located under the
third row seats.
Air Vents
Use the slider switch in the center of
the outlet, to change the direction of
the airflow. Use the thumbwheel
near the outlet to control the amount
of airflow or to shut off the airflow.
Keep all outlets open whenever
possible for best system
performance.
Operation Tips
.Clear away any ice, snow,
or leaves from the air inlets at
the base of the windshield that
can block the flow of air into the
vehicle.
.Use of non-GM approved hood
deflectors can adversely affect
the performance of the system.
.Keep the path under all seats
clear of objects to help circulate
the air inside the vehicle more
effectively.
.If fogging reoccurs while in
vent or bi-level modes with
mild temperature throughout
the vehicle, turn on the air
conditioner to reduce windshield
fogging.

Black plate (13,1)GMC Acadia/Acadia Denali Owner Manual - 2012
Climate Controls 8-13
Maintenance
Passenger Compartment
Air Filter
The filter removes dust, pollen,
and other airborne irritants from
outside air and inside air when in
recirculation mode.
To find out what type of replacement
filter to use, seeMaintenance
Replacement Parts on page 11‑13.
1. Open the glove box.
2. Twist the compartment retainers (A) and pull outward
to remove.
3. Lower the instrument panel compartment assembly (B)
beyond the stops.
4. If needed, unsnap the instrument panel compartment
assembly (B) from the
instrument panel. When
reinstalling, be sure the
instrument panel compartment
dampener arm is aligned
properly to the dampener gear
assembly.5. Squeeze the housing cover (A)tabs to remove.
6. Remove the old air filter from the passenger compartment air filter
housing (B).
7. Install the new air filter.
8. Replace the housing cover.
9. If removed, reinstall the instrument panel compartment
assembly.
10. Reinstall the compartment retainers.
See your dealer if additional
assistance is needed.

Black plate (14,1)GMC Acadia/Acadia Denali Owner Manual - 2012
8-14 Climate Controls
2NOTES

Black plate (26,1)GMC Acadia/Acadia Denali Owner Manual - 2012
9-26 Driving and Operating
When you shift from D (Drive) to
L (Low), the transmission will shift to
a pre-determined lower gear range.
The highest gear available for this
pre-determined range is displayed
next to the L in the DIC. SeeDriver
Information Center (DIC) (Without
DIC Buttons) on page 5‑30 orDriver
Information Center (DIC) (With DIC
Buttons) on page 5‑25 for more
information. The number displayed
in the DIC is the highest gear that
the transmission will be allowed to
operate in. This means that all
gears below that number are
available. For example, when
4 (Fourth) is shown next to the L,
1 (First) through 4 (Fourth) gears
are automatically shifted by the
vehicle. The transmission will not
shift into 5 (Fifth) until the + (Plus)
button is used or you shift back
into D (Drive). While in L (Low), the transmission
will prevent shifting to a lower gear
range if the engine speed is too
high. You have a brief period of time
to slow the vehicle. If vehicle speed
is not reduced within the time
allowed, the lower gear range shift
will not be completed. You must
further slow the vehicle, then press
the
−(Minus) button to the desired
lower gear range.
Automatic Engine Grade Braking
is not available when the ERS is
active. It is available in D (Drive) for
both normal and Tow/Haul mode.
While using the ERS, cruise control
and the Tow/Haul mode can be
used. See Tow/Haul Mode following.Tow/Haul Mode
_
(Tow/Haul): The vehicle may
have a Tow/Haul mode.
The button is located on the
instrument panel under the climate
controls.
Push the button to activate the
system. Push it again to deactivate
the system. You can use this feature
to assist when towing or hauling a
heavy load.
When Tow/Haul is activated the
Tow/Haul symbol will come on
the instrument panel cluster.
See “Tow/Haul Mode” underDriving
Characteristics and Towing Tips on
page 9‑45 for more information.

Black plate (28,1)GMC Acadia/Acadia Denali Owner Manual - 2012
9-28 Driving and Operating
If driving safely on a wet road and it
becomes necessary to slam on the
brakes and continue braking to
avoid a sudden obstacle, a
computer senses that the wheels
are slowing down. If one of the
wheels is about to stop rolling, the
computer will separately work the
brakes at each wheel.
ABS can change the brake pressure
to each wheel, as required, faster
than any driver could. This can help
the driver steer around the obstacle
while braking hard.
As the brakes are applied, the
computer keeps receiving updates
on wheel speed and controls
braking pressure accordingly.
Remember: ABS does not change
the time needed to get a foot up to
the brake pedal or always decrease
stopping distance. If you get too
close to the vehicle in front of you,there will not be enough time to
apply the brakes if that vehicle
suddenly slows or stops. Always
leave enough room up ahead to
stop, even with ABS.
Using ABS
Do not pump the brakes. Just hold
the brake pedal down firmly and let
ABS work. You might hear the ABS
pump or motor operating and feel
the brake pedal pulsate, but this is
normal.
Braking in Emergencies
ABS allows the driver to steer and
brake at the same time. In many
emergencies, steering can help
more than even the very best
braking.
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 5‑21.