warning GMC TERRAIN 2021 User Guide
[x] Cancel search | Manufacturer: GMC, Model Year: 2021, Model line: TERRAIN, Model: GMC TERRAIN 2021Pages: 377, PDF Size: 9.13 MB
Page 26 of 377

GMC Terrain/Terrain Denali Owner Manual(GMNA-Localizing-U.S./Canada/
Mexico-14420055) - 2021 - CRC - 11/13/20
Keys, Doors, and Windows 25
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” underDual
Automatic Climate Control System 0180.
Automatic Dimming Mirror
If the vehicle has the automatic dimming
mirror, the driver outside mirror
automatically adjusts for the glare of
headlamps behind you.
Reverse Tilt Mirrors
If equipped with reverse tilt mirrors and
memory seats, the passenger and/or driver
mirror tilts to a preselected position when
the vehicle is in R (Reverse). This allows the
curb to be seen when parallel parking.
The mirror(s) may move from their tilted
position when:
.The vehicle is shifted out of R (Reverse),
or remains in R (Reverse) for about
30 seconds.
.The vehicle is turned off.
.The vehicle is driven in R (Reverse) above
a set speed.
To turn this feature on or off, see Vehicle
Personalization 0108.
Interior Mirrors
Interior Rearview Mirrors
Adjust the rearview mirror for a clear view
of the area behind the vehicle.
Do not spray glass cleaner directly on the
mirror. Use a soft towel dampened with
water.
Manual Rearview Mirror
If equipped, push the tab forward for
daytime use and pull it rearward for
nighttime use to avoid glare of the
headlamps from behind.
Automatic Dimming Rearview
Mirror
If equipped, automatic dimming reduces the
glare of headlamps from behind. The
dimming feature comes on when the vehicle
is started.
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.
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.
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GMC Terrain/Terrain Denali Owner Manual(GMNA-Localizing-U.S./Canada/
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26 Keys, Doors, and Windows
Power Windows
{Warning
Children could be seriously injured or
killed if caught in the path of a closing
window. Never leave the Remote Keyless
Entry (RKE) transmitter in a vehicle with
children. When there are children in the
rear seat, use the window lockout switch
to prevent operation of the windows. See
Keys06.
The power windows work when the ignition
is on, in ACC/ACCESSORY, or in Retained
Accessory Power (RAP). See Retained
Accessory Power (RAP) 0204. Using the window switch, press to open or
pull to close the window.
The windows may be temporarily disabled if
they are used repeatedly within a
short time.
Window Lockout
This feature stops the rear door passenger
window switches from working.
Press
2to engage the rear window
lockout feature. The indicator light is on
when engaged.
Press
2again to disengage.
Window Express Movement
All windows can be opened without holding
the window switch. Press the switch down
fully and quickly release to express open the
window.
If equipped, pull the window switch up fully
and quickly release to express close the
window.
Briefly press or pull the window switch in
the same direction to stop that window’s
express movement.
Window Automatic Reversal System
The express-close feature will reverse
window movement if it comes in contact
with an object. Extreme cold or ice could
cause the window to auto-reverse. The
window will operate normally after the
object or condition is removed.
Automatic Reversal System Override
{Warning
If automatic reversal system override is
active, the window will not reverse
automatically. You or others could be
injured and the window could be
(Continued)
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GMC Terrain/Terrain Denali Owner Manual(GMNA-Localizing-U.S./Canada/
Mexico-14420055) - 2021 - CRC - 11/13/20
Keys, Doors, and Windows 27
Warning (Continued)
damaged. Before using automatic reversal
system override, make sure that all
people and obstructions are clear of the
window path.
When the engine is on, override the
automatic reversal system by pulling and
holding the window switch if conditions
prevent it from closing.
Programming the Power Windows
Programming may be necessary if the
vehicle’s battery has been disconnected or
discharged. If the window will not express
close, program each express-close window: 1. Close all doors.
2. Turn the ignition on or to ACC/ ACCESSORY.
3. Partially open the window to be programmed. Then close it and continue
to pull the switch briefly after the
window has fully closed.
4. Open the window and continue to press the switch briefly after the window has
fully opened.
Remote Window Operation
If equipped, this feature allows all the
windows to be opened remotely.
If enabled in vehicle personalization, press
and hold
Kon the RKE transmitter. See
Vehicle Personalization 0108.
Sun Visors
Pull the sun visor down to block glare.
Detach the sun visor from the center mount
to pivot to the side window and,
if equipped, extend along the rod.
Roof
Sunroof
1. Sunroof Switch
2. Sunshade Switch
If equipped, the sunroof only operates when
the ignition is on or in ACC/ACCESSORY,
or when Retained Accessory Power (RAP) is
active. See Ignition Positions 0199 and
Retained Accessory Power (RAP) 0204.
Sunroof Switch
Vent : From the closed position, press and
release
e(1) to vent the sunroof. Press
and release
g(1) to close the vent.
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GMC Terrain/Terrain Denali Owner Manual(GMNA-Localizing-U.S./Canada/
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Seats and Restraints 29
Seats and Restraints
Head Restraints
Head Restraints . . . . . . . . . . . . . . . . . . . . . . . . 29
Front Seats
Seat Adjustment . . . . . . . . . . . . . . . . . . . . . . . 30
Power Seat Adjustment . . . . . . . . . . . . . . . . . 31
Lumbar Adjustment . . . . . . . . . . . . . . . . . . . . . 32
Reclining Seatbacks . . . . . . . . . . . . . . . . . . . . . 32
Memory Seats . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Heated and Ventilated Front Seats . . . . . 35
Folding Seatback . . . . . . . . . . . . . . . . . . . . . . . 36
Rear Seats
Rear Seats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Heated Rear Seats . . . . . . . . . . . . . . . . . . . . . . 39
Seat Belts
Seat Belts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
How to Wear Seat Belts Properly . . . . . . . 41
Lap-Shoulder Belt . . . . . . . . . . . . . . . . . . . . . . . 42
Seat Belt Use During Pregnancy . . . . . . . . 46
Seat Belt Extender . . . . . . . . . . . . . . . . . . . . . 46
Safety System Check . . . . . . . . . . . . . . . . . . . 46
Seat Belt Care . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Replacing Seat Belt System Parts after aCrash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Airbag System
Airbag System . . . . . . . . . . . . . . . . . . . . . . . . . . 47 Where Are the Airbags? . . . . . . . . . . . . . . . . 48
When Should an Airbag Inflate? . . . . . . . . 50
What Makes an Airbag Inflate? . . . . . . . . . 50
How Does an Airbag Restrain? . . . . . . . . . . 51
What Will You See after an Airbag
Inflates? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Passenger Sensing System . . . . . . . . . . . . . . 52
Servicing the Airbag-Equipped Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Adding Equipment to the Airbag-Equipped Vehicle . . . . . . . . . . . . . . 56
Airbag System Check . . . . . . . . . . . . . . . . . . . 56
Replacing Airbag System Parts after a Crash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Child Restraints
Older Children . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Infants and Young Children . . . . . . . . . . . . . 58
Child Restraint Systems . . . . . . . . . . . . . . . . 60
Where to Put the Restraint . . . . . . . . . . . . . 62
Lower Anchors and Tethers for Children(LATCH System) . . . . . . . . . . . . . . . . . . . . . . 63
Replacing LATCH System Parts After a Crash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Securing Child Restraints (With the Seat Belt in the Rear Seat) . . . . . . . . . . . . . . . . 69
Securing Child Restraints (With the Seat Belt in the Front Seat) . . . . . . . . . . . . . . . . 70
Head Restraints
The vehicle’s front seats have adjustable
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.
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GMC Terrain/Terrain Denali Owner Manual(GMNA-Localizing-U.S./Canada/
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30 Seats and Restraints
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.
Front Seats
The vehicle's front seats have adjustable
head restraints in the outboard seating
positions.
The height of the head restraint can be
adjusted.
To raise or lower the head restraint, press
the button located on the side of the head
restraint and pull up or push the head
restraint down, and release the button. Pulland push on 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 removable.
Rear Seats
Adjusting the Rear Head Restraint
The vehicle's rear seats have adjustable head
restraints in the outboard seating positions.
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.
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.
Always adjust the head restraint so that the
top of the restraint is at the same height as
the top of the occupant's head.
Rear outboard head restraints are not
removable.
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.
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GMC Terrain/Terrain Denali Owner Manual(GMNA-Localizing-U.S./Canada/
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Seats and Restraints 31
To adjust the seat position:1. Pull the handle at the front of the seat cushion to unlock it.
2. Move the seat forward or rearward and release the handle.
3. Try to move the seat back and forth to be sure it is locked in place.
Seat Height Adjuster
Move the lever up or down to raise or lower
the seat.
Power Seat Adjustment
{Warning
The power seats will work with the
ignition off. Children could operate the
power seats and be injured. Never leave
children alone in the vehicle.
To adjust a power seat, if equipped:
.Move the seat forward or rearward by
sliding the control forward or rearward.
.Raise or lower the front part of the seat
cushion by moving the front of the
control up or down.
.Raise or lower the entire seat by moving
the rear of the control up or down.
To adjust the seatback, see Reclining
Seatbacks 032.
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GMC Terrain/Terrain Denali Owner Manual(GMNA-Localizing-U.S./Canada/
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32 Seats and Restraints
Lumbar Adjustment
If equipped, press and hold the front or rear
of the control to increase or decrease
lumbar support.
Reclining Seatbacks
{Warning
Sitting in a reclined position when the
vehicle is in motion can be dangerous.
Even when buckled up, the seat belts
cannot do their job.(Continued)
Warning (Continued)
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.
For proper protection when the vehicle is
in motion, have the seatback upright.
Then sit well back in the seat and wear
the seat belt properly.
Do not have a seatback reclined if the
vehicle is moving.
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.
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GMC Terrain/Terrain Denali Owner Manual(GMNA-Localizing-U.S./Canada/
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Seats and Restraints 35
are automatically recalled when the vehicle
is turned on, or turned from off to ACC/
ACCESSORY. RKE transmitters 3–8 will not
provide automatic memory recalls.
To turn Seat Entry Memory on or off, see
“Vehicle Personalization Settings”previously
in this section and Vehicle Personalization
0 108.
The vehicle must be in P (Park) to start Seat
Entry Memory. Seat Entry Memory recall
will complete if the vehicle is shifted out of
P (Park) prior to reaching the saved memory
position.
To stop Seat Entry Memory recall
movement, turn the vehicle off or press any
of the following controls:
.Power seat
.Memory SET, 1, 2, orB
.Power mirror, with the driver or
passenger side mirror selected
If the saved memory seat position does not
automatically recall or recalls to the wrong
positions, the driver’s RKE transmitter
number (1 or 2) may not match the memory
button number that positions were saved to.
Try storing the position to the other
memory button or try the other RKE
transmitter. Seat Exit Memory
Seat Exit Memory is not linked to an RKE
transmitter. The position saved to
Bis
used for all drivers. To turn Seat Exit
Memory on or off, see "Vehicle
Personalization Settings" previously in this
section and Vehicle Personalization 0108.
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 Seat Exit Memory movement, press
any of the following memory controls:
.Power seat
.Memory SET, 1, 2, orB
.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.
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.
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GMC Terrain/Terrain Denali Owner Manual(GMNA-Localizing-U.S./Canada/
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36 Seats and Restraints
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 air through the cushion
and seatback. The air is not cooled.
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 013 and
Vehicle Personalization 0108.
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
(Continued)
Warning (Continued)
information, seeWhere Are the Airbags?
0 48 and
Vehicle Load Limits 0196.
{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 029.
2. Move the seat as far back as possible. See Seat Adjustment 030.
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Seats and Restraints 37
3. Lift the lever fully and fold the seatbackforward.
If necessary, move the seat belt out of
the way to access the lever.
4. Continue lowering the seatback until it is completely folded and locks in place.
To raise the seatback: 1. Lift the lever fully to unlock the seatback. Then, raise the seatback and
push it rearward until it re-engages.
2. Push and pull on the seatback to make sure it is locked in place.
{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.
Rear Seats
Rear Seat Reminder
If equipped, the message REAR SEAT
REMINDER LOOK IN REAR SEAT displays
under certain conditions indicating there
may be an item or passenger in the rear
seat. Check before exiting the vehicle.
This feature will activate when a second row
door is opened while the vehicle is on or up
to 10 minutes before the vehicle is turned
on. There will be an alert when the vehicle
is turned off. The alert does not directly
detect objects in the rear seat; instead,
under certain conditions, it detects when a
rear door is opened and closed, indicating
that there may be something in the
rear seat. The feature is active only once each time
the vehicle is turned on and off, and will
require reactivation by opening and closing
the second row doors. There may be an
alert even when there is nothing in the rear
seat; for example, if a child entered the
vehicle through the rear door and left the
vehicle without the vehicle being shut off.
The feature can be turned on or off. See
Vehicle Personalization
0108.Reclining the Seatback
To recline the seatback:
1. Pull the reclining seatback handle.