2019 GMC TERRAIN Door locks

GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-12146071) - 2019 - crc - 7/27/18
Keys, Doors, and Windows 41
WhenQis pressed on the power
door lock switch with the door open,
a chime will sound three times
indicating that delayed locking is
active.
The doors will then lock
automatically five seconds after all
doors are closed. If a door is
reopened before five seconds have
elapsed, the five-second timer will
reset once all the doors are closed
again.
Press
Qon the door lock switch
again, or press
Qon the RKE
transmitter, to override this feature
and lock the doors immediately.
Delayed locking can be
programmed. See Vehicle
Personalization 0152.
Automatic Door Locks
The doors will lock automatically
when all doors are closed, the
ignition is on, and the vehicle is
shifted out of P (Park). If a vehicle door is unlocked and
then opened and closed, the doors
will lock either when your foot is
removed from the brake or the
vehicle speed becomes faster than
13 km/h (8 mph).
To unlock the doors:
.
Press
Kon the power door lock
switch.
. Shift into P (Park).
Automatic door locking cannot be
disabled. Automatic door unlocking
can be programmed. See Vehicle
Personalization 0152.
Lockout Protection
If the ignition is on or in ACC/
ACCESSORY and the power door
lock switch is pressed with the
driver door open, all the doors will
lock and only the driver door will
unlock.
If the vehicle is off and locking is
requested while a door is open,
when all doors are closed the
vehicle will check for RKE
transmitters inside. If an RKE transmitter is detected and the
number of RKE transmitters inside
has not reduced, the driver door will
unlock and the horn will chirp three
times.
Lockout Protection can be manually
overridden by pressing and holding
Qon the power door lock switch.
Open Door Anti-Lockout
If Open Door Anti-Lockout is turned
on and the vehicle is off, the driver
door is open, and locking is
requested, all the doors will lock and
the driver door will remain open.
Press the button again to lock the
driver door. The Open Door
Anti-Lockout feature can be turned
on or off. See Vehicle
Personalization 0152.
Safety Locks
The rear door safety locks prevent
passengers from opening the rear
doors from inside the vehicle.

GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-12146071) - 2019 - crc - 7/27/18
42 Keys, Doors, and Windows
Manual Safety Locks
If equipped, the safety lock is on the
inside edge of the rear doors. To
use the safety lock:1. Move the lever down to the lock position.
2. Close the door.
3. Do the same for the other rear door. To open a rear door when the safety
lock is on:
1. Unlock the door by activating the inside handle, by pressing
the power door lock switch,
or by using the Remote
Keyless Entry (RKE)
transmitter.
2. Open the door from the outside.
When the safety lock is enabled,
adults and older children will not be
able to open the rear door from the
inside. Cancel the safety locks to
enable the doors to open from the
inside.
To cancel the safety lock: 1. Unlock the door and open it from the outside.
2. Move the lever up to unlock. Do the same for the other door.
Doors
Liftgate
{Warning
Exhaust gases can enter the
vehicle if it is driven with the
liftgate or trunk/hatch open,
or with any objects that pass
through the seal between the
body and the trunk/hatch or
liftgate. Engine exhaust contains
carbon monoxide (CO) which
cannot be seen or smelled. It can
cause unconsciousness and even
death.
If the vehicle must be driven with
the liftgate or trunk/hatch open:
. Close all of the windows.
. Fully open the air outlets on
or under the instrument
panel.
(Continued)

GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-12146071) - 2019 - crc - 7/27/18
Seats and Restraints 67
3. Lift the lever fully and fold theseatback forward.
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

GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-12146071) - 2019 - crc - 7/27/18
Instruments and Controls 155
shifted out of R (Reverse) or the
engine is turned off. SeeReverse
Tilt Mirrors 052.
Touch Off, On - Driver and
Passenger, On - Driver, or On -
Passenger.
Auto Wipe in Reverse Gear
When on and the front wiper is on,
the rear wiper will automatically
activate when the vehicle is shifted
to R (Reverse).
Touch Off or On.
Extended Hill Start Assist
This allows the duration of the Hill
Start Assist to be changed.
Touch Extended Hold or
Standard Hold.
Lighting
Touch and the following may
display:
. Vehicle Locator Lights
. Exit Lighting Vehicle Locator Lights
This feature will flash the exterior
lamps and allows some of the
exterior lamps and most of the
interior lamps to turn on briefly when
Kon the Remote Keyless Entry
(RKE) transmitter is pressed to
locate the vehicle.
Touch Off or On.
Exit Lighting
This allows the selection of how
long the exterior lamps stay on
when leaving the vehicle when it is
dark outside.
Touch Off, 30 Seconds, 60 Seconds,
or 120 Seconds.
Power Door Locks
Touch and the following may
display:
. Open Door Anti Lockout
. Auto Door Unlock
. Delayed Door Lock Open Door Anti Lock Out
When on, this feature will keep the
driver door from locking when the
door is open. If Off is selected, the
Delayed Door Lock menu will be
available.
Touch Off or On.
Auto Door Unlock
This allows selection of which of the
doors will automatically unlock when
the vehicle is shifted into P (Park).
Touch Off, All Doors, or Driver Door.
Delayed Door Lock
When on, this feature will delay the
locking of the doors. To override the
delay, press the power door lock
switch on the door.
Touch Off or On.
Remote Lock, Unlock, Start
Touch and the following may
display:
.
Remote Unlock Light Feedback
. Remote Lock Feedback
. Remote Door Unlock

GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-12146071) - 2019 - crc - 7/27/18
OnStar 413
Languages
The vehicle can be programmed to
respond in multiple languages.
Press
Qand ask for an Advisor.
Advisors are available in English,
Spanish, and French. Available
languages may vary by country.
Potential Issues
OnStar cannot perform Remote
Door Unlock or Stolen Vehicle
Assistance after the vehicle has
been off continuously for 10 days
without an ignition cycle. If the
vehicle has not been started for
10 days, OnStar can contact
Roadside Assistance or a locksmith
to help gain access to the vehicle.
Global Positioning
System (GPS)
. Obstruction of the GPS can
occur in a large city with tall
buildings; in parking garages;
around airports; in tunnels and
underpasses; or in an area with
very dense trees. If GPS signals
are not available, the OnStar
system should still operate to call OnStar. However, OnStar
could have difficulty identifying
the exact location.
. In emergency situations, OnStar
can use the last stored GPS
location to send to emergency
responders.
A temporary loss of GPS can cause
loss of the ability to send a
Turn-by-Turn Navigation route. The
Advisor may give a verbal route or
may ask for a call back after the
vehicle is driven into an open area.
Cellular and GPS Antennas
Cellular reception is required for
OnStar to send remote signals to
the vehicle. Do not place items over
or near the antenna to prevent
blocking cellular and GPS signal
reception.
Unable to Connect to OnStar
Message
If there is limited cellular coverage
or the cellular network has reached
maximum capacity, this message may come on. Press
Qto try the
call again or try again after driving a
few miles into another cellular area.
Vehicle and Power Issues
OnStar services require a vehicle
electrical system, wireless service,
and GPS satellite technologies to be
available and operating for features
to function properly. These systems
may not operate if the battery is
discharged or disconnected.
Add-on Electrical Equipment
The OnStar system is integrated
into the electrical architecture of the
vehicle. Do not add any electrical
equipment. See Add-On Electrical
Equipment 0282. Added electrical
equipment may interfere with the
operation of the OnStar system and
cause it to not operate.
Vehicle Software Updates
OnStar or GM may remotely deliver
software updates or changes to the
vehicle without further notice or
consent. These updates or changes
may enhance or maintain safety,

GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-12146071) - 2019 - crc - 7/27/18
Connected Services 419
vehicles, the SSID and
password can be changed in
the Wi-Fi Hotspot menu.
After initial set-up, your vehicle’s
Wi-Fi hotspot will connect
automatically to your mobile
devices. Manage data usage by
turning Wi-Fi on or off on your
mobile device, using the myGMC
mobile app, or by contacting an
OnStar Advisor. On some vehicles,
Wi-Fi can also be managed from the
Wi-Fi Hotspot menu.
MyGMC Mobile App (If Available)
Download the myGMC mobile app
to compatible Apple and Android
smartphones. GMC users can
access the following services from a
smartphone:
. Remotely start/stop the vehicle,
if factory-equipped.
. Lock/unlock doors, if equipped
with automatic locks.
. Activate the horn and lamps. .
Check the vehicle’s fuel level, oil
life, or tire pressure,
if factory-equipped with the Tire
Pressure Monitor System.
. Send destinations to the vehicle.
. Locate the vehicle on a map
(U.S. market only).
. Turn the vehicle's Wi-Fi hotspot
on/off, manage settings, and
monitor data consumption,
if equipped.
. Locate a dealer and schedule
service.
. Request roadside assistance.
. Set a parking reminder with pin
drop, take a photo, make a note,
and set a timer.
. Connect with GMC on social
media.
Features are subject to change. For
myGMC mobile app information and
compatibility, see my.gmc.com.
An active OnStar or connected
service plan may be required.
A compatible device,
factory-installed remote start, and power locks are required. Data rates
apply. See www.onstar.com for
details and system limitations.
Remote Services
Contact an OnStar Advisor to
unlock the doors or sound the horn
and flash the lamps.
Marketplace
OnStar Advisors can provide offers
from restaurants and retailers on
your route, help locate hotels,
or book a room. These services
vary by market.
OnStar Hands-Free Calling
Make and receive calls with the
built-in wireless calling service,
which requires available minutes.
Functionality of the Voice Command
button may vary by vehicle and
region. For some vehicles, press
=
to open the OnStar app on the
infotainment display, then select
Hands-Free calling. For other
vehicles press
=as follows.

GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/-
Mexico-12146071) - 2019 - crc - 7/27/18
422 Index
Assistance Systems forParking and Backing . . . . . . . . . . 243
Auto Stop Stop/Start System . . . . . . . . . . . . 199
Automatic Dimming Mirrors . . . . . . . . . . . . . . . . 52
Door Locks . . . . . . . . . . . . . . . . . . . . . 41
Forward Braking . . . . . . . . . . . . . . 252
Headlamp System . . . . . . . . . . . . 164
Transmission . . . . . . . . . . . . . . . . . 213
Transmission Fluid . . . . . . . . . . . 299
Automatic Transmission Manual Mode . . . . . . . . . . . . . . . . . 217
B
BatteryExterior Lighting Battery
Saver . . . . . . . . . . . . . . . . . . . . . . . 168
Load Management . . . . . . . . . . . . 168
Power Protection . . . . . . . . . . . . . 168
Battery - North America . . . . 309, 360
Biodiesel . . . . . . . . . . . . . . . . . . . . . . . 263
Blade Replacement, Wiper . . . . . 311
Brake
Parking, Electric . . . . . . . . . . . . . . 219
System Warning Light . . . . . . . . 135
Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . 307 Antilock . . . . . . . . . . . . . . . . . . . . . . . 219 Brakes (cont'd)
Assist . . . . . . . . . . . . . . . . . . . . . . . . . 221
Fluid . . . . . . . . . . . . . . . . . . . . . . . . . . 308
Braking . . . . . . . . . . . . . . . . . . . . . . . . . 181
Automatic Forward . . . . . . . . . . . 252
Braking System Front Pedestrian (FPB) . . . . . . . 253
Break-In, New Vehicle . . . . . . . . . . 195
Bulb Replacement Front Turn Signal Lamps . . . . . 315
Halogen Bulbs . . . . . . . . . . . . . . . . 314
Headlamp Aiming . . . . . . . . . . . . . 314
Headlamps . . . . . . . . . . . . . . . . . . . 314
High Intensity Discharge(HID) Lighting . . . . . . . . . . . . . . . 315
License Plate Lamps . . . . . . . . . 316
Taillamps . . . . . . . . . . . . . . . . . . . . . 316
Buying New Tires . . . . . . . . . . . . . . . 341
C
Calibration . . . . . . . . . . . . . . . . . . . . . . 116
California
Perchlorate MaterialsRequirements . . . . . . . . . . . . . . . 286 California
Proposition
65 Warning . . . . . . . . . .285, 309, 360,
Back Cover
Canadian Vehicle Owners . . . . . . . . 2
Capacities and Specifications . . . . . . . . . . . . . . . . . 392
Carbon Monoxide Engine Exhaust . . . . . . . . . . . . . . . 206
Liftgate . . . . . . . . . . . . . . . . . . . . . . . . . 42
Winter Driving . . . . . . . . . . . . . . . . 189
Cargo Cover . . . . . . . . . . . . . . . . . . . . . . . . . .110
Tie-Downs . . . . . . . . . . . . . . . . . . . . . 111
Caution, Danger, and Warning . . . . 3
Center Console Storage . . . . . . . . 109
Chains, Tire . . . . . . . . . . . . . . . . . . . . 345
Charging Wireless . . . . . . . . . . . . . . . . . . . . . . .118
Charging System Light . . . . . . . . . 133
Check Engine Light (MalfunctionIndicator) . . . . . . . . . . . . . . . . . . . . 133
Child Restraints Infants and Young Children . . . . . 93
Lower Anchors and Tethers
for Children . . . . . . . . . . . . . . . . . . . 98
Older Children . . . . . . . . . . . . . . . . . . 91

GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/-
Mexico-12146071) - 2019 - crc - 7/27/18
Index 423
Child Restraints (cont'd)Securing . . . . . . . . . . . . . . . . . 104, 106
Systems . . . . . . . . . . . . . . . . . . . . . . . . 95
Circuit Breakers . . . . . . . . . . . . . . . . 318
Cleaning
Exterior Care . . . . . . . . . . . . . . . . . 367
Interior Care . . . . . . . . . . . . . . . . . . 371
Climate Control Systems . . . . . . . 170 Air Conditioning . . . . . . . . . . . . . . 170
Dual Automatic . . . . . . . . . . . . . . . 172
Heating . . . . . . . . . . . . . . . . . . . . . . . 170
Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . 117
Cluster, Instrument . . . . . . . . 122, 125
Cold Weather Operation . . . . . . . . 264
Collision Damage Repair . . . . . . . 402
Compact Spare Tire . . . . . . . . . . . . 359
Compartments Storage . . . . . . . . . . . . . . . . . . . . . . . 109
Compass . . . . . . . . . . . . . . . . . . . . . . . 116
Compressor Kit, Tire Sealant . . . 347
Connected Services Connections . . . . . . . . . . . . . . . . . . 418
Diagnostics . . . . . . . . . . . . . . . . . . . 420
Navigation . . . . . . . . . . . . . . . . . . . . 417
Connections Connected Services . . . . . . . . . . 418
Control Hill Descent . . . . . . . . . . . . . . . . . . 225 Control (cont'd)
Traction and Electronic
Stability . . . . . . . . . . . . . . . . . . . . . 222
Control Light
Hill Descent . . . . . . . . . . . . . . . . . . 137
Control of a Vehicle . . . . . . . . . . . . . 181
Convenience Net . . . . . . . . . . . . . . . 111
Convex Mirrors . . . . . . . . . . . . . . . . . . 51
Coolant Engine Temperature Gauge . . 130
Cooling . . . . . . . . . . . . . . . . . . . . 170, 172
Cooling System . . . . . . . . . . . . . . . . . 301
Courtesy Lamps . . . . . . . . . . . . . . . . 166
Courtesy Transportation Program . . . . . . . . . . . . . . . . . . . . . . . 401
Cover Cargo . . . . . . . . . . . . . . . . . . . . . . . . . .110
Cruise Control . . . . . . . . . . . . . . . . . . 230
Light . . . . . . . . . . . . . . . . . . . . . . . . . . 141
Cruise Control, Adaptive . . . . . . . . 232
Cupholders . . . . . . . . . . . . . . . . . . . . . 109
Customer Assistance . . . . . . . . . . . 398 Offices . . . . . . . . . . . . . . . . . . . . . . . . 397
Text Telephone (TTY)
Users . . . . . . . . . . . . . . . . . . . . . . . 398
Customer Information Publications OrderingInformation . . . . . . . . . . . . . . . . . . 404 Customer Satisfaction
Procedure . . . . . . . . . . . . . . . . . . . . . 395
D
Damage Repair, Collision . . . . . . . 402
Danger, Warning, and Caution . . . . 3
Data Collection
Infotainment System . . . . . . . . . . 408
OnStar . . . . . . . . . . . . . . . . . . . . . . . 408
Data Recorders, Event . . . . . . . . . 407
Daytime Running Lamps (DRL) . . . . . . . . . . . . . . . . . . 163
Defensive Driving . . . . . . . . . . . . . . . 181
Delayed Locking . . . . . . . . . . . . . . . . . 40
Diagnostics Connected Services . . . . . . . . . . 420
Diesel Exhaust Fluid . . . . . . . . 28, 208
Diesel Exhaust Fluid (DEF)
Warning Light . . . . . . . . . . . . . . . . . 140
Diesel Particulate Filter . . . . . . . . . 207
Distracted Driving . . . . . . . . . . . . . . . 180
Dome Lamps . . . . . . . . . . . . . . . . . . . 166
Door Delayed Locking . . . . . . . . . . . . . . . . 40
Locks . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Power Locks . . . . . . . . . . . . . . . . . . . . 40
Drive Belt Routing, Engine . . . . . . 394