Page 42 of 364

Black plate (14,1)GMC Terrain/Terrain Denali Owner Manual - 2013 - crc 1st edition - 5/8/12
2-14 Keys, Doors, and Windows
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
To adjust the mirrors:
1. Move the selector switch to L (Left) or R (Right) to choose the
driver or passenger mirror.
2. Press the arrows on the control pad to move each mirror in the
desired direction.
3. Return the selector switch to the middle position.
Heated Mirrors
For vehicles with heated mirrors:
The heated outside rearview mirrors
turn on when the rear window
defogger is on and help to clear fog
or frost from the surface of the
mirrors.
1(Rear Window Defogger): This
button is on the climate control
panel.
See “Rear Window Defogger” under
Automatic Climate Control System
on page 8‑3 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.
Page 44 of 364

Black plate (16,1)GMC Terrain/Terrain Denali Owner Manual - 2013 - crc 1st edition - 5/8/12
2-16 Keys, Doors, and Windows
Interior Mirrors
Manual Rearview Mirror
Hold the inside rearview mirror in
the center and move it for a clearer
view behind the vehicle. Adjust the
mirror to avoid glare from the
headlamps behind you. Push the
tab forward for daytime use and pull
it for nighttime use.
Vehicles with OnStar
®have three
control buttons located at the
bottom of the mirror. See your
dealer for more information on the
system and how to subscribe to
OnStar. See OnStar Overview on
page 14‑1.
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 comes on each time the vehicle
is started.
O(On/Off): Press to turn automatic
dimming on or off.
Vehicles with OnStar® have three
additional control buttons located at
the bottom of the mirror. See your
dealer for more information on the
system and how to subscribe to
OnStar. 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
Never leave a child, a helpless
adult, or a pet alone in a vehicle,
especially with the windows
closed in warm or hot weather.
They can be overcome by the
extreme heat and suffer
permanent injuries or even death
from heat stroke.
Page 45 of 364

Black plate (17,1)GMC Terrain/Terrain Denali Owner Manual - 2013 - crc 1st edition - 5/8/12
Keys, Doors, and Windows 2-17
The vehicle aerodynamics are
designed to improve fuel economy
performance. This may result in a
pulsing sound when either rear
window is down and the front
windows are up. To reduce the
sound, open either a front window
or the sunroof (if equipped).
Power Windows
{WARNING
Children could be seriously
injured or killed if caught in the
path of a closing window. Never
leave keys in a vehicle with
children. When there are children
in the rear seat, use the window
lockout button to prevent
operation of the windows. See
Keys on page 2‑1.The power windows work when the
ignition is in ON/RUN or ACC/
ACCESSORY, or in Retained
Accessory Power (RAP). See
Retained Accessory Power (RAP)
on page 9‑22.
Press the front of the switch to open
the window. Pull the switch up to
close it.
Express Down Windows
Windows that have the
express-down feature allow the
windows to be lowered without
holding the switch. Press thewindow switch fully and release it to
activate the express-down feature.
The express mode can be canceled
at any time by briefly pressing,
or pulling the switch.
Window Lockout
o
(Window Lockout): This feature
prevents the rear passenger
windows from operating, except
from the driver position.
Page 50 of 364
Black plate (2,1)GMC Terrain/Terrain Denali Owner Manual - 2013 - crc 1st edition - 5/8/12
3-2 Seats and Restraints
Head Restraints
Front Seats
The vehicle's front seats have head
restraints in the outboard seating
positions.
{WARNING
With head restraints that are not
installed and adjusted properly,
there is a greater chance that
occupants will suffer a neck/
spinal injury in a crash. Do not
drive until the head restraints for
all occupants are installed and
adjusted properly.
Adjust the head restraint so that the
top of the restraint is at the same
height as the top of the occupant's
head. This position reduces the
chance of a neck injury in a crash.The height of the head restraint can
be adjusted. Pull the head restraint
up to raise it. Try to move the head
restraint to make sure that it is
locked in place.
Page 51 of 364

Black plate (3,1)GMC Terrain/Terrain Denali Owner Manual - 2013 - crc 1st edition - 5/8/12
Seats and Restraints 3-3
To lower the head restraint, press
the button, located on the top of the
seatback, and push the head
restraint down. Try to move the
head restraint after the button is
released to make sure that it is
locked in place.
The front seat outboard head
restraints are not designed to be
removed.
Rear Seats
The vehicle's rear seat has head
restraints in the outboard seating
positions that cannot be adjusted.
Rear outboard head restraints are
not designed to be removed.
Front Seats
Seat Adjustment
{WARNING
You can lose control of the
vehicle if you try to adjust a driver
seat while the vehicle is moving.
Adjust the driver seat only when
the vehicle is not moving.
To adjust a manual seat:
1. Pull the handle at the front of theseat cushion.
2. Move the seat forward or rearward to adjust the seat
position.
3. Release the handle to stop the seat from moving.
4. Try to move the seat back and forth to be sure it is locked in
place.
Page 53 of 364

Black plate (5,1)GMC Terrain/Terrain Denali Owner Manual - 2013 - crc 1st edition - 5/8/12
Seats and Restraints 3-5
To adjust the seatback, see
Reclining Seatbacks on page 3‑5.
To adjust the lumbar support, see
Lumbar Adjustment on page 3‑5.
Lumbar Adjustment
Power Lumbar
Eight-Way Power Seat Shown,Four-Way Similar
If available, press and hold the front
or rear of the switch to increase or
decrease lumbar support. Release the switch when the seatback
reaches the desired level of lumbar
support.
Reclining Seatbacks
{WARNING
Sitting in a reclined position when
the vehicle is in motion can be
dangerous. Even when buckled
up, the safety belts cannot do
their job.
The shoulder belt will not be
against your body. Instead, it will
be in front of you. In a crash, you
could go into it, receiving neck or
other injuries.
The lap belt could go up over
your abdomen. The belt forces
would be there, not at your pelvic
bones. This could cause serious
internal injuries.
(Continued)
WARNING (CONTINUED)
For proper protection when the
vehicle is in motion, have the
seatback upright. Then sit well
back in the seat and wear the
safety belt properly.
Do not have a seatback reclined if
the vehicle is moving.
Page 54 of 364
Black plate (6,1)GMC Terrain/Terrain Denali Owner Manual - 2013 - crc 1st edition - 5/8/12
3-6 Seats and Restraints
Manual Reclining Seatbacks
{WARNING
If either seatback is not locked, it
could move forward in a sudden
stop or crash. That could cause
injury to the person sitting there.
Always push and pull on the
seatbacks to be sure they are
locked.
To recline a manual seatback:
1. Lift the lever.2. Move the seatback to the
desired position, and then
release the lever to lock the
seatback in place.
3. Push and pull on the seatback to make sure it is locked.
To return the seatback to the upright
position:
1. Lift the lever fully without applying pressure to the
seatback, and the seatback will
return to the upright position.
2. Push and pull on the seatback to make sure it is locked.
Power Reclining Seatbacks
To adjust a power seatback,
if available:
.Tilt the top of the control
rearward to recline.
.Tilt the top of the control forward
to raise.
Page 56 of 364

Black plate (8,1)GMC Terrain/Terrain Denali Owner Manual - 2013 - crc 1st edition - 5/8/12
3-8 Seats and Restraints
Memory positions saved to the
“1”or“2” buttons. To recall RKE
Memory positions, unlock the driver
door with the RKE transmitter and
open the driver door. If the driver
door is already open, pressing the
RKE transmitter
Kbutton will also
activate the RKE Memory recall.
The driver seat and outside mirrors
will move to the previously saved
RKE Memory positions.
This feature is turned on or off using
the vehicle personalization menu.
See Vehicle Personalization on
page 5‑31.
To stop recall movement, press any
of the memory, power mirror,
or power seat controls.
If something has blocked the driver
seat while recalling a memory
position, the recall may stop.
Remove the obstruction; then press
and hold the appropriate manual
control for the memory item that is
not recalling for two seconds. Try
recalling the memory position again
by opening the driver door and pressing the RKE
Kbutton. If the
memory position is still not recalling,
see your dealer for service.
Easy Exit Driver Seat
This feature moves the seat
rearward allowing the driver more
room to exit the vehicle.
To activate, turn the ignition off and
open the driver door. If the driver
door is already open, turning the
ignition off will activate the recall.
This feature can be turned on or off
using the vehicle personalization
menu. See Vehicle Personalization
on page 5‑31.
To stop recall movement, press one
of the memory or power seat
controls.
If something has blocked the driver
seat while recalling the exit position,
the recall may stop. Remove the
obstruction; then press and hold the
power seat control rearward for
two seconds. Try recalling the exit position again. If the exit position is
still not recalling, see your dealer for
service.
Heated Front Seats
{WARNING
If you cannot feel temperature
change or pain to the skin, the
seat heater may cause burns. To
reduce the risk of burns, people
with such a condition should use
care when using the seat heater,
especially for long periods of
time. Do not place anything on
the seat that insulates against
heat, such as a blanket, cushion,
cover, or similar item. This may
cause the seat heater to
overheat. An overheated seat
heater may cause a burn or may
damage the seat.