GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-10664916) - 2018 - crc - 9/15/17
ContentsIntroduction . . . . . . . . . . . . . . . . . . . . . . 2
In Brief . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Keys, Doors, and Windows . . . . . 28
Seats and Restraints . . . . . . . . . . . 55
Storage . . . . . . . . . . . . . . . . . . . . . . . 106
Instruments and Controls . . . . . . 110
Lighting . . . . . . . . . . . . . . . . . . . . . . . 151
Infotainment System . . . . . . . . . . 159
Climate Controls . . . . . . . . . . . . . . 160
Driving and Operating . . . . . . . . . 168
Vehicle Care . . . . . . . . . . . . . . . . . . 259
Service and Maintenance . . . . . 351
Technical Data . . . . . . . . . . . . . . . . 365
Customer Information . . . . . . . . . 369
Reporting Safety Defects . . . . . . 379
OnStar . . . . . . . . . . . . . . . . . . . . . . . . 383
Index . . . . . . . . . . . . . . . . . . . . 395
GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-10664916) - 2018 - crc - 9/15/17
Keys, Doors, and Windows 49
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. Press
jor|to choose the
driver or passenger mirror.
2. Press the arrows on the control pad to move each mirror in the
desired direction.
Folding Mirrors
Manual Folding Mirrors
The mirrors can be folded inward
toward the vehicle to prevent
damage when going through an automatic car wash. Push the mirror
outward to return it to the original
position.
Memory Mirrors
The vehicle may have memory
mirrors. See
Memory Seats 060.
Lane Change Alert (LCA)
The vehicle may have LCA. See
Lane Change Alert (LCA) 0232.
Heated Mirrors
If equipped, the heated outside
mirrors turn on when the rear
window defogger is on and help to
clear fog or frost from the surface of
the mirrors.
K:This button is on the climate
control panel.
See “Rear Window Defogger” under
Dual Automatic Climate Control
System 0162.
GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-10664916) - 2018 - crc - 9/15/17
Seats and Restraints 55
Seats and
Restraints
Head Restraints
Head Restraints . . . . . . . . . . . . . . . 56
Front Seats
Seat Adjustment . . . . . . . . . . . . . . . 58
Power Seat Adjustment . . . . . . . . 58
Lumbar Adjustment . . . . . . . . . . . . 59
Reclining Seatbacks . . . . . . . . . . . 59
Memory Seats . . . . . . . . . . . . . . . . . 60
Heated and Ventilated FrontSeats . . . . . . . . . . . . . . . . . . . . . . . . . 63
Folding Seatback . . . . . . . . . . . . . . 64
Rear Seats
Rear Seats . . . . . . . . . . . . . . . . . . . . 65
Heated Rear Seats . . . . . . . . . . . . 68
Seat Belts
Seat Belts . . . . . . . . . . . . . . . . . . . . . 69
How to Wear Seat Belts Properly . . . . . . . . . . . . . . . . . . . . . . 70
Lap-Shoulder Belt . . . . . . . . . . . . . 71
Seat Belt Use During Pregnancy . . . . . . . . . . . . . . . . . . . . 74
Seat Belt Extender . . . . . . . . . . . . . 74
Safety System Check . . . . . . . . . . 75 Seat Belt Care . . . . . . . . . . . . . . . . . 75
Replacing Seat Belt System
Parts after a Crash . . . . . . . . . . . 75
Airbag System
Airbag System . . . . . . . . . . . . . . . . . 76
Where Are the Airbags? . . . . . . . 78
When Should an AirbagInflate? . . . . . . . . . . . . . . . . . . . . . . . 79
What Makes an Airbag Inflate? . . . . . . . . . . . . . . . . . . . . . . . 80
How Does an Airbag Restrain? . . . . . . . . . . . . . . . . . . . . . 80
What Will You See after an Airbag Inflates? . . . . . . . . . . . . . . 81
Passenger Sensing System . . . 82
Servicing the Airbag-Equipped Vehicle . . . . . . . . . . . . . . . . . . . . . . . 86
Adding Equipment to the Airbag-Equipped Vehicle . . . . . 86
Airbag System Check . . . . . . . . . . 87
Replacing Airbag System Parts after a Crash . . . . . . . . . . . . . . . . . 87
Child Restraints
Older Children . . . . . . . . . . . . . . . . . 88
Infants and Young Children . . . . 90
Child Restraint Systems . . . . . . . 92
Where to Put the Restraint . . . . . 94
Lower Anchors and Tethers forChildren (LATCH System) . . . . 95 Replacing LATCH System
Parts After a Crash . . . . . . . . . 100
Securing Child Restraints (With the Seat Belt in the
Rear Seat) . . . . . . . . . . . . . . . . . . 101
Securing Child Restraints (With the Seat Belt in the
Front Seat) . . . . . . . . . . . . . . . . . . 103
GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-10664916) - 2018 - crc - 9/15/17
Seats and Restraints 61
2, orB(Exit) on the driver door
until two beeps sound. To manually
recall these positions, press and
hold 1, 2, or
Buntil the saved
position is reached.
The vehicle identifies the current
driver ’s RKE transmitter number (1–
8). See Remote Keyless Entry
(RKE) System Operation 029. Only
RKE transmitters 1 and 2 can be
used for automatic memory recalls.
A Driver Information Center (DIC)
welcome message indicating the
transmitter number may display for
the first few ignition cycles following
a transmitter change. For Auto
Memory Recall to work properly,
save the positions to the memory
button (1 or 2) matching the RKE
transmitter number displayed in the
DIC welcome message. Carry the
linked RKE transmitter when
entering the vehicle.
Vehicle Personalization Settings
. To have the Auto Memory Recall
movement begin when the
vehicle is started, select the
Settings menu, then Vehicle, then Comfort and Convenience,
and then Auto Memory Recall.
Select On or Off. See
“Auto
Memory Recall” later in this
section.
. To begin Easy Exit Recall
movement when the ignition is
turned off and the driver door is
opened, or when the ignition is
turned off with the driver door
already opened, select the
Settings menu, then Vehicle,
then Comfort and Convenience,
and then Easy Exit Options.
Select On or Off. See “Easy Exit
Recall” later in this section.
. See Vehicle Personalization
0 142 for additional setting
information.
Identifying Driver Number
To identify the driver number: 1. Start the vehicle with the other key or RKE transmitter. The
DIC should display the driver
number; 1 or 2. Turn the
ignition off and remove the key
or RKE transmitter from the
vehicle. 2. Start the vehicle with the initial
key or RKE transmitter. The
DIC should display the other
driver number not shown in
step 1.
Saving Memory Positions
Read these instructions completely
before saving memory positions.
To save preferred driving positions
1 and 2: 1. Turn the ignition on or to ACC/ ACCESSORY.
A DIC welcome message may
be displayed indicating number
1 or 2 for memory recalls.
2. Adjust all available memory features to the desired driving
position.
3. Press and release SET; a beep will sound.
4. Immediately press and hold the 1 or 2 memory button matching
the above DIC welcome
message until two beeps
sound.
GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-10664916) - 2018 - crc - 9/15/17
Seats and Restraints 63
"Vehicle Personalization Settings"
previously in this section and
Vehicle Personalization0142.
If turned on, the position saved to
Bis automatically recalled when
one of the following occurs:
. The vehicle is turned off and the
driver door is opened within a
short time.
. The vehicle is turned off with the
driver door open.
To stop Easy Exit Recall movement,
press any of the following memory
controls:
. Power seat
. Memory SET, 1, 2, or
B
.Power mirror, with the driver or
passenger side mirror selected
Obstructions
If something has blocked the driver
seat while recalling a memory
position, the recall may stop.
Remove the obstruction and try the
recall again. If the memory position
still does not recall, see your dealer
for service.
Heated and Ventilated
Front Seats
{Warning
If temperature change or pain to
the skin cannot be felt, the seat
heater may cause burns. To
reduce the risk of burns, 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.
If equipped, the buttons are on the
center console. To operate, the
engine must be running.
Press
Ior+, if equipped, to heat
the driver or passenger
seatback only.
Press
Jorzto heat the driver or
passenger cushion and seatback.
Press
Cor{, if equipped, to
ventilate the driver or passenger
seat. A ventilated seat has a fan
that pulls or pushes air through the
seat. The air is not cooled.
GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-10664916) - 2018 - crc - 9/15/17
64 Seats and Restraints
Press the button once for the
highest setting. With each press of
the button, the seat will change to
the next lower setting, and then to
the off setting. The indicator lights
next to the buttons indicate three for
the highest setting and one for the
lowest.
Remote Start Heated and
Ventilated Seats
During a remote start, the heated or
ventilated seats, if equipped, can be
turned on automatically. When it is
cold outside, the heated seats turn
on, and when it is hot outside the
ventilated seats turn on. The heated
or ventilated seats are canceled
when the ignition is turned on. Press
the heated or ventilated seat button
to use the heated or ventilated seats
after the vehicle is started.
The heated or ventilated seat
indicator lights do not turn on during
a remote start.
The temperature performance of an
unoccupied seat may be reduced.
This is normal.The remote start heated or
ventilated seats may be enabled or
disabled in the vehicle
personalization menu.
See
Remote Vehicle Start 035 and
Vehicle Personalization 0142.
Folding Seatback
The front passenger seatback
folds flat.
{Warning
If you fold the seatback forward to
carry longer objects, such as skis,
be sure any such cargo is not
near an airbag. In a crash, an
inflating airbag might force that
object toward a person. This
could cause severe injury or even
death. Secure objects away from
the area in which an airbag would
inflate. For more information, see
Where Are the Airbags? 078 and
Vehicle Load Limits 0181.
{Warning
Things you put on this seatback
can strike and injure people in a
sudden stop or turn, or in a crash.
Remove or secure all items
before driving.
To fold the seatback: 1. Lower the head restraint all the way. See Head Restraints
0 56.
2. Move the seat as far back as possible. See Seat Adjustment
0 58.
GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-10664916) - 2018 - crc - 9/15/17
66 Seats and Restraints
the vehicle through the rear door
and left the vehicle without the
vehicle being shut off.
The feature can be turned on or off.
SeeVehicle Personalization 0142.
Reclining the Seatback
To recline the seatback:
1. Pull the reclining seatback
handle.
2. Move the seatback to the desired position, and then
release the handle to lock the
seatback in place. 3. Push and pull on the seatback
to make sure it is locked.
Folding the Seatback
Either side of the seatback can be
folded for more cargo space. Fold a
seatback only when the vehicle is
not moving.
Caution
Folding a rear seat with the seat
belts still fastened may cause
damage to the seat or the seat
belts. Always unbuckle the seat
belts and return them to their
normal stowed position before
folding a rear seat.
To fold the seatback: 1. Fold the head restraint. See Head Restraints 056.
2. Pull the handle on top of the
seatback to unlock it.
A tab near the seatback lever
raises when the seatback is
unlocked.
3. Fold the seatback forward.
GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-10664916) - 2018 - crc - 9/15/17
Seats and Restraints 67
4. Stow the seat belt in the beltstowage clip.
Repeat the steps to fold the
other seatback, if desired.If equipped, the rear seatbacks can
also be folded forward by pulling the
levers on the passenger side of the
rear cargo area.
Raising the Seatback
{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.
{Warning
A seat belt that is improperly
routed, not properly attached,
or twisted will not provide the
protection needed in a crash. The
person wearing the belt could be
seriously injured. After raising the
rear seatback, always check to be
sure that the seat belts are
properly routed and attached, and
are not twisted.
To raise a seatback: