2021 GMC TERRAIN turn signal

GMC Terrain/Terrain Denali Owner Manual(GMNA-Localizing-U.S./Canada/
Mexico-14420055) - 2021 - CRC - 11/13/20
Introduction 5
1.Air Vents 0182.
2. Turn Signal Lever. See Turn and
Lane-Change Signals 0119.
IntelliBeam System Button (If Equipped).
See Exterior Lamp Controls 0116.
3. Instrument Cluster (Base and Midlevel)
085 or
Instrument Cluster (Uplevel) 088.
Driver Information Center (DIC) Display.
See Driver Information Center (DIC) (Base
and Midlevel) 0100 or
Driver Information Center (DIC) (Uplevel)
0 105.
4. Windshield Wiper/Washer 079.
5. Infotainment Controls. See Overview
0 124.
6. Light Sensor. See Automatic Headlamp
System 0118.
7. Hazard Warning Flashers 0119.
8. Climate Control Systems 0178 (If
Equipped).
Dual Automatic Climate Control System
0 180 (If Equipped).
9. Shift Switches. See Automatic
Transmission 0208.
10. Power Outlets 081. 11.
Assistance Systems for Parking or Backing
0232 (If Equipped).
12. Heated and Ventilated Front Seats 035
(If Equipped).
13. Wireless Charging 082 (If Equipped).
14. Driver Mode Control 0218 (If Equipped).
15. Lane Keep Assist (LKA) 0244 (If
Equipped).
Hill Descent Control (HDC) 0217 (If
Equipped).
16. USB Port 0134.
17. ENGINE START/STOP Button. See Ignition
Positions 0199.
18. Steering Wheel Controls 0126.
19. Horn 079.
20. Steering Wheel Adjustment 079 (Out
of View).
21. Hood Release. See Hood0259.
22. Cruise Control 0220.
Adaptive Cruise Control (Camera) 0222
(If Equipped).
Heated Steering Wheel 079 (If
Equipped).
Forward Collision Alert (FCA) System
0 237 (If Equipped). 23. Data Link Connector (DLC) (Out of View).
SeeMalfunction Indicator Lamp (Check
Engine Light) 093.
24. Electric Parking Brake 0212.
25. Exterior Lamp Controls 0116.
Instrument Panel Illumination Control
0 120.
Fog Lamps 0119 (If Equipped).

GMC Terrain/Terrain Denali Owner Manual(GMNA-Localizing-U.S./Canada/
Mexico-14420055) - 2021 - CRC - 11/13/20
Keys, Doors, and Windows 7
The key, inside the Remote Keyless Entry
(RKE) transmitter, is used for the driver door.
To remove the key, press the button near
the bottom of the transmitter, and pull the
key out. Never pull the key out without
pressing the button.
If it becomes difficult to turn the key,
inspect the key blade for debris.
See your dealer if a new key is needed.
Contact Roadside Assistance if locked out of
the vehicle. SeeRoadside Assistance Program
0 349.
With an active OnStar or connected service
plan, an OnStar Advisor may remotely
unlock the vehicle. See OnStar Overview
0 357.
Remote Keyless Entry (RKE)
System
See Radio Frequency Statement 0354.
If there is a decrease in the Remote Keyless
Entry (RKE) operating range:
.Check the distance. The transmitter may
be too far from the vehicle.
.Check the location. Other vehicles or
objects may be blocking the signal.
.Check the transmitter's battery. See
“Battery Replacement” later in this
section.
.If the transmitter is still not working
correctly, see your dealer or a qualified
technician for service.
Remote Keyless Entry (RKE)
System Operation
The Keyless Access system allows for vehicle
entry when the Remote Keyless Entry (RKE)
transmitter is within 1 m (3 ft). See “Keyless
Access Operation” following.
The RKE transmitter functions may work up
to 60 m (197 ft) away from the vehicle.
Other conditions can impact the
performance of the transmitter. See Remote
Keyless Entry (RKE) System 07.
With Remote Start Shown, Without Similar

GMC Terrain/Terrain Denali Owner Manual(GMNA-Localizing-U.S./Canada/
Mexico-14420055) - 2021 - CRC - 11/13/20
8 Keys, Doors, and Windows
Q:Press to lock all doors. The turn signal
indicators may flash and/or the horn may
sound on the second press to indicate
locking. See Vehicle Personalization 0108.
If the driver door is open when
Qis pressed
and Open Door Anti-Lockout is enabled, all
doors will lock and then the driver door will
immediately unlock. See Vehicle
Personalization 0108. If the passenger door
is open when
Qis pressed, all doors lock.
Pressing
Qmay also arm the theft-deterrent
system. See Vehicle Alarm System 022.
K:Press to unlock the driver door. Press
unlock again within five seconds to unlock
all doors. The RKE transmitter can be
programmed to unlock all doors on the first
button press. See Vehicle Personalization
0 108. When remotely unlocking the vehicle
at night the fog lamps and back-up lamps
will come on for about 20 seconds to light
your approach to the vehicle. The turn
signal indicators may flash to indicate
unlocking. See Vehicle Personalization 0108.
Pressing
Kwill disarm the theft-deterrent
system. See Vehicle Alarm System 022. If equipped, press and hold
Kto remotely
open all of the windows, if enabled. See
Vehicle Personalization 0108.
/:If equipped, press and releaseQand
then immediately press and hold
/for at
least four seconds to start the engine from
outside the vehicle using the RKE
transmitter. See Remote Vehicle Start 013.
7:Press and release one time to initiate
vehicle locator. The exterior lamps flash and
the horn chirps three times. Press and hold
7for three seconds to sound the panic
alarm. The horn sounds and the turn signal
lamps flash for 30 seconds, or until
7is
pressed again or the vehicle is started.
b: Press twice quickly to open or close
the liftgate.
Press once to stop the liftgate from moving.
Keyless Access Operation
With the Keyless Access system, you can
lock and unlock the doors and access the
liftgate without removing the RKE
transmitter from your pocket, purse,
briefcase, etc. The RKE transmitter should be
within 1 m (3 ft) of the liftgate or door being
opened. Keyless Access can be programmed to
unlock all doors on the first lock/unlock
press from the driver door. See
Vehicle
Personalization 0108.
If equipped with memory seats, RKE
transmitters 1 and 2 are linked to the
seating positions of memory 1 or 2. See
Memory Seats 033.
Keyless Unlocking/Locking from the
Driver Door
When the doors are locked and the RKE
transmitter is within 1 m (3 ft) of the driver
door handle, pressing the lock/unlock button
on the driver door handle will unlock the
driver door. If the lock/unlock button is
pressed again within five seconds, all
passenger doors will unlock.

GMC Terrain/Terrain Denali Owner Manual(GMNA-Localizing-U.S./Canada/
Mexico-14420055) - 2021 - CRC - 11/13/20
Keys, Doors, and Windows 9
Driver Shown, Passenger Similar
Pressing the lock/unlock button will cause
all doors to lock if any of the following
occur:
.It has been more than five seconds since
the first lock/unlock button press.
.Two lock/unlock button presses were
used to unlock all doors.
.Any vehicle door has opened and all
doors are now closed.
Keyless Unlocking/Locking from Passenger
Doors
When the doors are locked and the RKE
transmitter is within 1 m (3 ft) of the door
handle, pressing the lock/unlock button on
that door handle will unlock all doors. Pressing the lock/unlock button will cause
all doors to lock if any of the following
occur:
.The lock/unlock button was used to
unlock all doors.
.Any vehicle door has opened and all
doors are now closed.
Passive Locking
If equipped with Keyless Access, this vehicle
will lock several seconds after all doors are
closed if the vehicle is off and at least one
RKE transmitter has been removed or none
remain in the interior.
If other electronic devices interfere with the
RKE transmitter signal, the vehicle may not
detect the RKE transmitter inside the vehicle.
If passive locking is enabled, the doors may
lock with the RKE transmitter inside the
vehicle. Do not leave the RKE transmitter in
an unattended vehicle.
To customize the doors to automatically lock
when exiting the vehicle, see “Remote Lock,
Unlock, Start” underVehicle Personalization
0 108. Temporary Disable of Passive Locking
Temporarily disable passive locking by
pressing and holding
Kon the interior door
switch with a door open for at least
four seconds, or until three chimes are
heard. Passive locking will then remain
disabled until
Qon the interior door is
pressed, or until the vehicle is turned on.
Remote Left in Vehicle Alert
When the vehicle is turned off and an RKE
transmitter is left in the vehicle, the horn
will chirp three times after all doors are
closed. To turn on or off, see Vehicle
Personalization 0108.
Remote No Longer in Vehicle Alert
If the vehicle is on, with a door open and
then all doors are closed, the vehicle will
check for RKE transmitters inside. If an RKE
transmitter is not detected, the Driver
Information Center (DIC) will display NO
REMOTE DETECTED and the horn will chirp
three times. This occurs only once each time
the vehicle is driven.
Keyless Liftgate Opening
Press the touch pad on the liftgate handle
to open the liftgate if the RKE transmitter is
within 1 m (3 ft).

GMC Terrain/Terrain Denali Owner Manual(GMNA-Localizing-U.S./Canada/
Mexico-14420055) - 2021 - CRC - 11/13/20
Keys, Doors, and Windows 13
4. Remove the battery.
5. Insert the new battery, positive sidetoward the back cover. Replace with a
CR2032 or equivalent battery.
6. Push together the transmitter.
7. Reinsert the key.
Remote Vehicle Start
If equipped, this feature allows you to start
the engine from outside the vehicle.
/: This button will be on the RKE
transmitter if the vehicle has remote start.
The climate control system will use the
previous settings during a remote start. The
rear defog may come on during remote
start based on cold ambient conditions. The
rear defog indicator light does not come on
during remote start.
If equipped with heated and ventilated front
seats, they may come on during a remote
start. See Heated and Ventilated Front Seats
0 35.
If equipped with a heated steering wheel, it
may come on during a remote start. See
Heated Steering Wheel 079. Laws in some local communities may restrict
the use of remote starters. For example,
some laws require a person using remote
start to have the vehicle in view. Check local
regulations for any requirements.
Do not use the remote start feature if the
vehicle is low on fuel. The vehicle could run
out of fuel.
Other conditions can affect the performance
of the transmitter. See
Remote Keyless Entry
(RKE) System 07.
Starting the Engine Using Remote Start
1. Press and release
Qon the RKE
transmitter.
2. Immediately press and hold
/for at
least four seconds or until the turn
signal lamps flash. The turn signal lamps
flashing confirms the request to remote
start the vehicle has been received.
The parking lamps will turn on and
remain on as long as the engine is
running. The vehicle's doors will be
locked.
3. Turn the ignition on before driving. The engine will shut off after 15 minutes
unless a time extension is done or the
ignition is turned on. Extending Engine Run Time
For a 15-minute extension, after 30 seconds
repeat Steps 1 and 2 while the engine is still
running. The remote start can be
extended once.
When the remote start is extended, the
second 15 minutes will be added for a total
of 30 minutes.
A maximum of two remote starts or a start
with an extension are allowed between
ignition cycles.
The ignition must be turned on and then
back off to use remote start again.
Canceling a Remote Start
To shut off the engine:
.Press and hold/until the parking lamps
turn off.
.Turn on the hazard warning flashers.
.Turn the ignition on and then off.
Conditions in Which Remote Start Will
Not Work
The remote vehicle start feature will not
operate if:
.A transmitter is in the vehicle.
.The vehicle is on.

GMC Terrain/Terrain Denali Owner Manual(GMNA-Localizing-U.S./Canada/
Mexico-14420055) - 2021 - CRC - 11/13/20
20 Keys, Doors, and Windows
liftgate continues to automatically close
after opening, see your dealer for service
before using the power liftgate.
Interfering with the power liftgate motion
or manually closing the liftgate too quickly
after power opening may resemble a
support strut failure. This could also activate
the falling liftgate detection feature. Allow
the liftgate to complete its operation and
wait a few seconds before manually closing
the liftgate.
Obstacle Detection Features
If the liftgate encounters an obstacle during
a power open or close cycle, the liftgate will
automatically reverse direction and move a
short distance away from the obstacle. After
removing the obstruction, the power liftgate
operation can be used again. If the liftgate
encounters multiple obstacles on the same
power cycle, the power function will
deactivate. After removing the obstructions,
manually close the liftgate which will allow
normal power operation functions to
resume.If the vehicle is locked while the liftgate is
closing, and an obstacle is encountered that
prevents the liftgate from completely
closing, the horn will sound as an alert that
the liftgate did not close.
Setting the 3/4 Mode
To change the position the liftgate stops at
when opening:
1. Select MAX or 3/4 mode and power open the liftgate.
2. Stop the liftgate movement at the desired height by pressing any liftgate
switch. Manually adjust the liftgate
position if needed.
3. Press and hold
lnext to the pull cup
on the bottom of the liftgate until the
turn signals flash and a beep sounds.
This indicates the setting has been
recorded.
The liftgate cannot be set below a minimum
programmable height. If there is no light
flash or sound, then the height adjustment
may be too low.
Manual Operation
Select OFF to manually operate the liftgate.
Caution
Attempting to move the liftgate too
quickly and with excessive force may
result in damage to the vehicle.
Operate the liftgate manually with a
smooth motion and moderate speed. The
system includes a feature which limits the
manual closing speed to protect the
components.
To open the liftgate, pressKon the power
door lock switch or press
Kon the RKE
transmitter twice to unlock all doors. Press
the touch pad on the underside of the
liftgate handle and lift up.

GMC Terrain/Terrain Denali Owner Manual(GMNA-Localizing-U.S./Canada/
Mexico-14420055) - 2021 - CRC - 11/13/20
22 Keys, Doors, and Windows
.Do not keep your foot under the bumper;
the liftgate will not activate.
.Do not touch the liftgate until it has
stopped moving.
.This feature may be temporarily disabled
under some conditions. If the liftgate
does not respond to the kick, open or
close the liftgate by another method or
start the vehicle. The feature will be
re-enabled.
When closing the liftgate using this feature,
there will be a short delay. The taillamps
will flash and a chime will sound. Step away
from the liftgate before it starts moving.
Vehicle Security
This vehicle has theft-deterrent features;
however, they do not make the vehicle
impossible to steal.
Vehicle Alarm System
This vehicle has an anti-theft alarm system.
The indicator light, on the instrument panel
near the windshield, indicates the status of
the system:
Off : Alarm system is disarmed.
On Solid : Vehicle is secured during the
delay to arm the system.
Fast Flash : Vehicle is unsecured. A door, the
hood, or the liftgate is open.
Slow Flash : Alarm system is armed.
Arming the Alarm System
1. Turn off the vehicle.
2. Lock the vehicle in one of two ways:
.Use the RKE transmitter.
.With a door open, press the
interior
Q.
3. After 30 seconds the alarm system will arm, and the indicator light will begin to
slowly flash indicating the alarm system
is operating. Pressing
Qon the RKE
transmitter a second time will bypass
the 30-second delay and immediately
arm the alarm system.
The vehicle alarm system will not arm if the
doors are locked with the key.
If the driver door is opened without first
unlocking with the RKE transmitter, the horn
will chirp and the lights will flash to indicate
pre-alarm. If the vehicle is not started,
or the door is not unlocked by pressing
K
on the RKE transmitter during the 10-second
pre-alarm, the alarm will be activated.
If a door, the hood, or the liftgate is opened
without first disarming the system, the turn
signals will flash and the horn will sound for
about 30 seconds. The alarm system will
then re-arm to monitor for the next
unauthorized event.
Disarming the Alarm System
To disarm the alarm system or turn off the
alarm if it has been activated:

GMC Terrain/Terrain Denali Owner Manual(GMNA-Localizing-U.S./Canada/
Mexico-14420055) - 2021 - CRC - 11/13/20
24 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 each mirror: 1. Press
jor|to select the driver or
passenger side mirror. The indicator light
will illuminate.
2. Press the arrows on the control pad to move the mirror in the desired direction.
3. Adjust each outside mirror so that a little of the vehicle and the area behind it can
be seen.
4. Press
jor|again to deselect the
mirror. Memory Mirrors
The vehicle may have memory mirrors. See
Memory Seats
033.
Turn Signal Indicator
The vehicle may have a turn signal indicator
lamp built into the mirror housing. The turn
signal lamp flashes when the turn signals or
hazard flashers are used.
Lane Change Alert (LCA)
The vehicle may have LCA. See Lane Change
Alert (LCA) 0242.
Side Blind Zone Alert
The vehicle may have Side Blind Zone Alert.
See Side Blind Zone Alert (SBZA) 0242.
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.