Page 38 of 468

Black plate (6,1)GMC Acadia/Acadia Denali Owner Manual - 2012
2-6 Keys, Doors, and Windows
When the vehicle starts, the parking
lamps will turn on and remain on as
long as the engine is running.
The doors will be locked and the
climate control system will operate
automatically if the vehicle has the
automatic system, or at the same
setting as when the vehicle was last
turned off.
If the vehicle has an automatic
climate control system and heated
seats, the heated seats turn on
during colder outside temperatures
and shut off when the key is turned
to ON/RUN. SeeHeated and
Ventilated Front Seats on page 3‑9
for more information.
The rear window defogger and
heated mirrors, if the vehicle has
them, turn on during colder outside
temperatures and turn off when the
key is turned to ON/RUN. After entering the vehicle during a
remote start, insert and turn the key
to the ON/RUN position to drive the
vehicle.
If the vehicle is left running it
automatically shuts off after
10 minutes unless a time extension
has been done.
Extending Engine Run Time
To extend the engine run time
by 10 minutes, repeat Steps 1
through 3 while the engine is still
running. The engine run time can
only be extended if it is the first
remote start since the vehicle has
been driven. Remote start can be
extended one time.
If the remote start procedure is
used again before the first
10-minute time frame has ended,
the first 10 minutes will immediately
expire and the second 10-minute
time frame will start.For example, if
Qand then/are
pressed again after the vehicle
has been running for five minutes,
10 minutes are added, allowing
the engine to run for a total of
15 minutes.
A maximum of two remote starts or
remote start attempts are allowed
between ignition cycles.
After the vehicle's engine has been
started two times using the remote
start button, the ignition must be
turned on and then back off before
the remote start procedure can be
used again.
Page 48 of 468

Black plate (16,1)GMC Acadia/Acadia Denali Owner Manual - 2012
2-16 Keys, Doors, and Windows
If the PASS-Key III+ key is lost or
damaged, see your dealer or a
locksmith to have a new key made.
The SERVICE THEFT
DETERRENT SYSTEM message
displays on the Driver Information
Center (DIC) when there is a
problem with the theft-deterrent
system. SeeAnti-theft Alarm
System Messages on page 5‑42
for additional information.
Do not leave the key or device
that disarms or deactivates the
theft-deterrent system in the
vehicle.Exterior Mirrors
Convex Mirrors
{WARNING
A convex mirror can make things,
like other vehicles, look farther
away than they really are. If you
cut too sharply into the right lane,
you could hit a vehicle on the
right. Check the inside mirror or
glance over your shoulder before
changing lanes.
The passenger side mirror is convex
shaped. A convex mirror's surface is
curved so more can be seen from
the driver seat.
Power Mirrors
Base Model
To adjust the mirrors:
1. Press
oorpto select a mirror.
2. Press the control pad to adjust the mirror.
3. Return the switch to the center to deselect the mirror.
Page 49 of 468

Black plate (17,1)GMC Acadia/Acadia Denali Owner Manual - 2012
Keys, Doors, and Windows 2-17
Uplevel Model
To adjust the mirrors:
1. Press (A) or (B) to select a mirror.
2. Press the control pad to adjust the mirror.
3. Press (A) or (B) again to deselect the mirror.
Folding Mirrors
For vehicles with manual folding
mirrors, push the mirror toward the
vehicle. Pull the mirror out to return
to its original position.
For vehicles with power folding
mirrors:
1. Press (A) to fold the mirrors out
to the driving position.
2. Press (B) to fold the mirrors in to the folded position.
Resetting the Power Folding
Mirrors
Reset the power folding mirrors if:
.The mirrors are accidentally
obstructed while folding.
.They are accidentally manually
folded/unfolded.
.The mirrors vibrate at normal
driving speeds.
To reset the mirrors, fold and unfold
the mirrors one time using the
power folding mirror controls.
A popping noise may be heard
during the resetting. This sound is
normal during the reset operation.
Heated Mirrors
For vehicles with heated mirrors:
1(Rear Window Defogger):
Press to heat the mirrors.
See “Rear Window Defogger” under
Dual Automatic Climate Control
System on page 8‑4 for more
information.
Page 50 of 468

Black plate (18,1)GMC Acadia/Acadia Denali Owner Manual - 2012
2-18 Keys, Doors, and Windows
Automatic Dimming
Mirror
If the vehicle has the automatic
dimming mirror, the driver outside
mirror automatically adjusts for the
glare of the headlamps from behind.
This feature is controlled by the on
and off setting on the inside
rearview mirror. SeeAutomatic
Dimming Rearview Mirror on
page 2‑20 for more information.
Blind Spot Mirrors
The blind spot mirror is a small
convex mirror built into the upper
and outer corner of both outside
mirrors. It can show objects that
may be in the vehicle's blind zone.
Driving with the Blind Spot
Mirror
Actual Mirror View 1. When the approaching vehicle is
a long distance away, the image
in the main mirror is small and
near the inboard edge of the
mirror.
2. As the vehicle gets closer, the image in the main mirror gets
larger and moves outboard.
3. As the vehicle enters the blind zone, the image transitions from
the main mirror to the blind spot
mirror.
4. When the vehicle is in the blind zone, the image only appears in
the blind spot mirror.
Page 51 of 468

Black plate (19,1)GMC Acadia/Acadia Denali Owner Manual - 2012
Keys, Doors, and Windows 2-19
Using the Outside Mirror with
the Blind Spot Mirror
1. Set the main mirror so that theside of the vehicle can just be
seen and the blind spot mirror
has an unobstructed view.
2. When checking for traffic or before changing a lane, look at
the main driver/passenger side
mirror to observe traffic in the
adjacent lane, behind your
vehicle. Check the blind spot
mirror for a vehicle in the blind
zone. Then, glance over your
shoulder to double check
before moving slowly into the
adjacent lane.
Park Tilt Mirrors
If the vehicle has the memory
package, the outside mirrors have a
park tilt feature. This feature tilts the
outside mirrors to a preselected
position when the vehicle is in
R (Reverse). This allows the driver
to view the curb for parallel parking.
The passenger and/or driver mirror
returns to its original position
when the vehicle is shifted out of
R (Reverse), or the ignition is turned
off or to OFF/LOCK.
This feature can be turned on or off
through the Driver Information
Center (DIC). See Vehicle
Personalization (With DIC Buttons)
on page 5‑46 for more information.
Interior Mirrors
Manual Rearview Mirror
Adjust the inside rearview mirror
for a clear view of the area behind
your vehicle. To avoid glare of
the headlamps from behind,
move the lever to the right for
nighttime use and to the center for
daytime use.
Vehicles with OnStar have three
control buttons located at the
bottom of the mirror. See your
dealer for more information about
OnStar and how to subscribe to it.
SeeOnStar Overview on page 14‑1.
Page 52 of 468

Black plate (20,1)GMC Acadia/Acadia Denali Owner Manual - 2012
2-20 Keys, Doors, and Windows
Automatic Dimming
Rearview Mirror
The vehicle may have an automatic
dimming inside rearview mirror.
Automatic dimming reduces the
glare from the headlamps of the
vehicle behind you. The dimming
feature comes on and the indicator
light illuminates each time the
ignition is turned to start.
O(On/Off):Press to turn the
dimming feature on or off.
The vehicle may also have a Rear
Vision Camera (RVC). See Rear
Vision Camera (RVC) on page 9‑35
for more information. If the vehicle has a RVC, the
O
button for turning the dimming
feature on or off will not be
available.
Vehicles with OnStar have three
additional control buttons for the
OnStar system. See
OnStar
Overview on page 14‑1.
Cleaning the Mirror
Do not spray glass cleaner directly
on the mirror. Use a soft towel
dampened with water.
Windows
{WARNING
Leaving children, helpless adults,
or pets in a vehicle with the
windows closed is dangerous.
They can be overcome by the
extreme heat and suffer
permanent injuries or even death
from heat stroke. Never leave a
child, a helpless adult, or a pet
alone in a vehicle, especially with
the windows closed in warm or
hot weather.
Page 55 of 468
Black plate (23,1)GMC Acadia/Acadia Denali Owner Manual - 2012
Keys, Doors, and Windows 2-23
Sun Visors
Pull the sun visor down or unhook it
and move it to the side to reduce
glare.
Visor Vanity Mirror
Lift the cover to use the mirror and
turn the lamps on.
Roof
Sunroof
The ignition must be in ON/RUN or
ACC/ACCESSORY to operate the
sunroof and power sunshade.
SeeRetained Accessory Power
(RAP) on page 9‑20.
The vehicle may have a sunroof
over the front seats and a rear
sunroof over the second row seats.
The rear sunroof does not open.
The switch to operate the front
sunroof is on the headliner above
the rearview mirror.
Vent: From the closed position,
press and hold the front of the
switch to vent the sunroof. Press
and hold the rear of the switch to
close the sunroof.
Express-open/Express-close:
From the closed position, press and
release the rear of the switch to
express-open the sunroof. Press
and release the front of the switch to
express-close the sunroof.
Page 63 of 468
Black plate (7,1)GMC Acadia/Acadia Denali Owner Manual - 2012
Seats and Restraints 3-7
Power Reclining Seatbacks
To adjust a power seatback,
if equipped:
.Tilt the top of the control
rearward to recline.
.Tilt the top of the control forward
to raise.
Memory Seats
On vehicles with the memory
feature, the controls on the driver
door are used to program and recall
memory settings for the driver seat
and outside mirrors.Storing Memory Positions
To save into memory:
1. Adjust the driver seat, seatback
recliner, and both outside
mirrors.
See Power Mirrors on page 2‑16
for more information.
Not all vehicles will have the
ability to save and recall the
mirror positions.
2. Press and hold “1”until
two beeps sound.
3. Repeat for a second driver position using “2.”
To recall, press and release “1”or
“2.” The vehicle must be in P (Park).
A single beep will sound. The seat
and outside mirrors will move to the
position previously stored for the
identified driver.