
GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-12146149) - 2019 - crc - 7/30/18
Customer Information 395
.Lock-Out Service: Service to
unlock the vehicle if you are
locked out. A remote unlock may
be available if you have OnStar.
For security reasons, the driver
must present identification
before this service is given.
. Emergency Tow from a Public
Road or Highway: Tow to the
nearest GMC dealer for warranty
service, or if the vehicle was in a
crash and cannot be driven.
Assistance is not given when the
vehicle is stuck in the sand,
mud, or snow.
. Flat Tire Change: Service to
change a flat tire with the spare
tire. The spare tire, if equipped,
must be in good condition and
properly inflated. It is the owner's
responsibility for the repair or
replacement of the tire if it is not
covered by the warranty.
. Battery Jump Start: Service to
jump start a dead battery.
. Trip Interruption Benefits and
Assistance: If your trip is
interrupted due to a warranty event, incidental expenses may
be reimbursed within the
Powertrain warranty period.
Items considered are reasonable
and customary hotel, meals,
rental car, or a vehicle being
delivered back to the customer,
up to 500 miles.
Services Not Included in
Roadside Assistance
.
Impound towing caused by
violation of any laws
. Legal fines
. Mounting, dismounting,
or changing of snow tires,
chains, or other traction devices
Service is not provided if a vehicle
is in an area that is not accessible
to the service vehicle or is not a
regularly traveled or maintained
public road, which includes ice and
winter roads. Off-road use is not
covered.
Services Specific to
Canadian-Purchased Vehicles
. Fuel Delivery: Reimbursement
is up to 7 L. Diesel fuel delivery
may be restricted. Propane and
other fuels are not provided
through this service.
. Lock-Out Service: Vehicle
registration is required.
. Trip Interruption Benefits and
Assistance: Must be over
150 km from where your trip was
started to qualify.
Pre-authorization, original
detailed receipts, and a copy of
the repair orders are required.
Once authorization has been
received, the Roadside
Assistance advisor will help to
make arrangements and explain
how to receive payment.
. Alternative Service: If
assistance cannot be provided
right away, the Roadside
Assistance advisor may give
permission to get local
emergency road service. You will
receive payment, up to $100,

GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-12146149) - 2019 - crc - 7/30/18
OnStar 405
Press=to:
. Open the OnStar app on the
infotainment display. See the
infotainment manual for
information on how to use the
OnStar app.
Or
. Make a call, end a call,
or answer an incoming call.
. Give OnStar Hands-Free Calling
voice commands.
. Give OnStar Turn-by-Turn
Navigation voice commands.
. Obtain and customize the Wi-Fi
hotspot name or SSID and
password, if equipped. PressQto connect to an
Advisor to:
. Verify account information or
update contact information.
. Get driving directions.
. Receive a Diagnostic check of
the vehicle's key operating
systems.
. Receive Roadside Assistance.
. Manage Wi-Fi Settings,
if equipped.
Press
>to get a priority connection
to an OnStar Advisor available 24/
7 to:
. Get help for an emergency.
. Be a Good Samaritan or
respond to an AMBER Alert.
. Get assistance in severe
weather or other crisis situations
and find evacuation routes.
OnStar Services
Emergency
Emergency Services require an
active safety and security plan. With
Automatic Crash Response, built-in
sensors can automatically alert a
specially trained OnStar Advisor
who is immediately connected in to
the vehicle to help.
Press
>for a priority connection to
an OnStar Advisor who can contact
emergency service providers, direct
them to your exact location, and
relay important information.
With OnStar Crisis Assist, specially
trained Advisors are available
24 hours a day, 7 days a week, to
provide a central point of contact,
assistance, and information during a
crisis.
With Roadside Assistance, Advisors
can locate a nearby service provider
to help with a flat tire, a battery
jump, or an empty gas tank.

GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-12146149) - 2019 - crc - 7/30/18
414 Connected Services
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 Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-12146149) - 2019 - crc - 7/30/18
Connected Services 415
Make a Call1. Press
=. System responds:
“OnStar ready.”
2. Say “Call.”System responds:
“Call. Please say the name or
number to call.”
3. Say the entire number without pausing, including a “1”and the
area code. System responds:
“OK, calling.”
Calling 911 Emergency
1. Press=. System responds:
“OnStar ready.”
2. Say “Call.”System responds:
“Call. Please say the name or
number to call.”
3. Say “911”without pausing.
System responds: “911.”
4. Say “Call.”System responds:
“OK, dialing 911.”
Retrieve My Number
1. Press=. System responds:
“OnStar ready.”
2. Say “My number.” System
responds: “Your OnStar
Hands-Free Calling number is,”
then says the number.
End a Call
Press=. System responds: “Call
ended.”
Verify Minutes and Expiration
Press=and say “Minutes” then
“Verify” to check how many minutes
remain and their expiration date.
If equipped, press
=and touch
Account Services to view the
number of remaining minutes,
available Wi-Fi data, and other
account information.
Diagnostics
By monitoring and reporting on the
vehicle's key systems, OnStar
Advanced Diagnostics, if equipped,
provides a way to keep up on
maintenance. Capabilities vary by
model. See www.onstar.com for
details and system limitations.
Features are subject to change. For
updates on feature capabilities, see
my.gmc.com. Message and data
rates may apply.

GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/-
Mexico-12146149) - 2019 - crc - 7/30/18
416 Index
IndexA
Accessories andModifications . . . . . . . . . . . . . . . . . . 286
Accessory Power . . . . . . . . . . . . . . . 226
Active Fuel Management . . . . . . . 228
Adaptive Cruise Control . . . . . . . . 243
Add-On Electrical Equipment . . . 283
Additional Information OnStar . . . . . . . . . . . . . . . . . . . . . . . 406
Additional Maintenance
and Care . . . . . . . . . . . . . . . . . . . . . . 380
Adjustments Lumbar, Front Seats . . . . . . . . . . . . 59
Agreements
Trademarks and License . . . . . 196
Air Cleaner/Filter, Engine . . . . . . . 295
Air Conditioning . . . . . . . . . . . 198, 201
Air Filter, Passenger Compartment . . . . . . . . . . . . . . . . . 204
Air Vents . . . . . . . . . . . . . . . . . . . . . . . 203
Airbag System Check . . . . . . . . . . . . . . . . . . . . . . . . . . 91
How Does an AirbagRestrain? . . . . . . . . . . . . . . . . . . . . . 83
Passenger Sensing System . . . . 85
What Makes an Airbag Inflate? . . . . . . . . . . . . . . . . . . . . . . . . 83 Airbag System (cont'd)
What Will You See after an
Airbag Inflates? . . . . . . . . . . . . . . . 84
When Should an Airbag
Inflate? . . . . . . . . . . . . . . . . . . . . . . . . 82
Where Are the Airbags? . . . . . . . . 80
Airbags Adding Equipment to theVehicle . . . . . . . . . . . . . . . . . . . . . . . . 90
Passenger Status Indicator . . . 135
Readiness Light . . . . . . . . . . . . . . 135
Servicing Airbag-Equipped Vehicles . . . . . . . . . . . . . . . . . . . . . . . 89
System Check . . . . . . . . . . . . . . . . . . 78
Alarm Vehicle Security . . . . . . . . . . . . . . . . 46
Alert Lane Change . . . . . . . . . . . . . . . . . 264
Side Blind Zone (SBZA) . . . . . . 263
All-Season Tires . . . . . . . . . . . . . . . . 320
All-Wheel Drive . . . . . . . . . . . . 233, 305
AM-FM Radio . . . . . . . . . . . . . . . . . . . 178
Antenna Multi-band . . . . . . . . . . . . . . . . . . . . 181
Antilock Brake System (ABS) . . . 233 Warning Light . . . . . . . . . . . . . . . . . 139
Appearance Care Exterior . . . . . . . . . . . . . . . . . . . . . . . 363

GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/-
Mexico-12146149) - 2019 - crc - 7/30/18
Index 417
Appearance Care (cont'd)Interior . . . . . . . . . . . . . . . . . . . . . . . . 368
Apple CarPlay and Android Auto . . . . . . . . . . . . . . . . . . 193
Armrest Storage . . . . . . . . . . . . . . . . 112
Assistance Program, Roadside . . . . . . . . . . . . . . . . . . . . . . 394
Assistance Systems for Driving . . . . . . . . . . . . . . . . . . . . . . . . 257
Assistance Systems for Parking and Backing . . . . . . . . . . 253
Audio Theft-Deterrent Feature . . . . . . . 174
Auto Stop
Stop/Start System . . . . . . . . . . . . 224
Automatic Dimming Mirrors . . . . . . . . . . . . . . . . 50
Door Locks . . . . . . . . . . . . . . . . . . . . . 39
Forward Braking . . . . . . . . . . . . . . 259
Headlamp System . . . . . . . . . . . . 167
Transmission . . . . . . . . . . . . . . . . . 230
Transmission Fluid . . . . . . . . . . . 294
Automatic Transmission
Manual Mode . . . . . . . . . . . . . . . . . 232
Shift Lock Control FunctionCheck . . . . . . . . . . . . . . . . . . . . . . . 305
Auxiliary Devices . . . . . . . . . . . . . . . . . . . . . . . 187B
Battery
Exterior Lighting BatterySaver . . . . . . . . . . . . . . . . . . . . . . . 172
Load Management . . . . . . . . . . . . 171
Power Protection . . . . . . . . . . . . . 171
Battery - North America . . . . 304, 356
Blade Replacement, Wiper . . . . . 306
Bluetooth Overview . . . . . . . . . . . . . . . . 188, 189
Brake Parking, Electric . . . . . . . . . . . . . . 234
System Warning Light . . . . . . . . 138
Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . 302
Antilock . . . . . . . . . . . . . . . . . . . . . . . 233
Assist . . . . . . . . . . . . . . . . . . . . . . . . . 235
Fluid . . . . . . . . . . . . . . . . . . . . . . . . . . 303
Braking . . . . . . . . . . . . . . . . . . . . . . . . . 207 Automatic Forward . . . . . . . . . . . 259
Braking System Front Pedestrian (FPB) . . . . . . . 261
Break-In, New Vehicle . . . . . . . . . . 221
Bulb Replacement Halogen Bulbs . . . . . . . . . . . . . . . . 309
Headlamp Aiming . . . . . . . . . . . . . 308
Headlamps . . . . . . . . . . . . . . . . . . . 309
License Plate Lamps . . . . . . . . . 309
Buying New Tires . . . . . . . . . . . . . . . 335
C
Calibration . . . . . . . . . . . . . . . . . . . . . . 122
California
Perchlorate MaterialsRequirements . . . . . . . . . . . . . . . 286
California Proposition
65 Warning . . . . . . . . . .285, 304, 356, Back Cover
Canadian Vehicle Owners . . . . . . . . 2
Capacities and
Specifications . . . . . . . . . . . . . . . . . 387
Carbon Monoxide Engine Exhaust . . . . . . . . . . . . . . . 229
Liftgate . . . . . . . . . . . . . . . . . . . . . . . . . 41
Winter Driving . . . . . . . . . . . . . . . . 215
Cargo Cover . . . . . . . . . . . . . . . . . . . . . . . . . .113
Management System . . . . . . . . . .114
Tie-Downs . . . . . . . . . . . . . . . . . . . . .113
Caution, Danger, and Warning . . . . 2
Center Console Storage . . . . . . . . 112
Chains, Tire . . . . . . . . . . . . . . . . . . . . 340
Charging System Light . . . . . . . . . 136
Check Engine Light (MalfunctionIndicator) . . . . . . . . . . . . . . . . . . . . 136

GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/-
Mexico-12146149) - 2019 - crc - 7/30/18
418 Index
Child RestraintsInfants and Young Children . . . . . 93
Lower Anchors and Tethers
for Children . . . . . . . . . . . . . . . . . . . 99
Older Children . . . . . . . . . . . . . . . . . . 91
Securing . . . . . . . . . . . . . . . . . 106, 108
Systems . . . . . . . . . . . . . . . . . . . . . . . . 96
Circuit Breakers . . . . . . . . . . . . . . . . 310
Cleaning Exterior Care . . . . . . . . . . . . . . . . . 363
Interior Care . . . . . . . . . . . . . . . . . . 368
Climate Control Systems Dual Automatic . . . . . . . . . . . . . . . 198
Rear . . . . . . . . . . . . . . . . . . . . . . . . . . 201
Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
Cluster, Instrument . . . . . . . . . . . . . 127
Collision Damage Repair . . . . . . . 397
Compact Spare Tire . . . . . . . . . . . . 355
Compartments Storage . . . . . . . . . . . . . . . . . . . . . . . . 111
Compass . . . . . . . . . . . . . . . . . . . . . . . 122
Compressor Kit, Tire Sealant . . . 342
Connected Services
Connections . . . . . . . . . . . . . . . . . . 413
Diagnostics . . . . . . . . . . . . . . . . . . . 415
Navigation . . . . . . . . . . . . . . . . . . . . 412 Connections
Connected Services . . . . . . . . . . 413
Control Hill Descent . . . . . . . . . . . . . . . . . . 238
Traction and ElectronicStability . . . . . . . . . . . . . . . . . . . . . 236
Control Light
Hill Descent . . . . . . . . . . . . . . . . . . 140
Control of a Vehicle . . . . . . . . . . . . . 207
Convex Mirrors . . . . . . . . . . . . . . . . . . 49
Coolant Engine Temperature Gauge . . 133
Cooling . . . . . . . . . . . . . . . . . . . . 198, 201
Cooling System . . . . . . . . . . . . . . . . . 296
Courtesy Lamps . . . . . . . . . . . . . . . . 169
Courtesy Transportation Program . . . . . . . . . . . . . . . . . . . . . . . 396
Cover Cargo . . . . . . . . . . . . . . . . . . . . . . . . . .113
Cruise Control . . . . . . . . . . . . . . . . . . 240 Light . . . . . . . . . . . . . . . . . . . . . . . . . . 144
Cruise Control, Adaptive . . . . . . . . 243
Customer Assistance . . . . . . . . . . . 393 Offices . . . . . . . . . . . . . . . . . . . . . . . . 392
Text Telephone (TTY)Users . . . . . . . . . . . . . . . . . . . . . . . 393 Customer Information
Publications Ordering
Information . . . . . . . . . . . . . . . . . . 399
Customer Satisfaction Procedure . . . . . . . . . . . . . . . . . . . . . 390
D
Damage Repair, Collision . . . . . . . 397
Danger, Warning, and Caution . . . . 2
Data CollectionInfotainment System . . . . . . . . . . 403
OnStar . . . . . . . . . . . . . . . . . . . . . . . 403
Data Recorders, Event . . . . . . . . . 402
Daytime Running Lamps (DRL) . . . . . . . . . . . . . . . . . . 166
Defensive Driving . . . . . . . . . . . . . . . 207
Delayed Locking . . . . . . . . . . . . . . . . . 39
Devices Auxiliary . . . . . . . . . . . . . . . . . . . . . . 187
Diagnostics Connected Services . . . . . . . . . . 415
Distracted Driving . . . . . . . . . . . . . . . 206
Dome Lamps . . . . . . . . . . . . . . . . . . . 169
Door Ajar Light . . . . . . . . . . . . . . . . . . . . . 145
Delayed Locking . . . . . . . . . . . . . . . . 39
Locks . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Power Locks . . . . . . . . . . . . . . . . . . . . 39

GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/-
Mexico-12146149) - 2019 - crc - 7/30/18
Index 419
Drive Belt Routing, Engine . . . . . . 389
Drive SystemsAll-Wheel Drive . . . . . . . . . . 233, 305
Driver Assistance Systems . . . . . 251
Driver Information Center (DIC) . . . . . . . . . . . . . 145, 148
Driver Mode Control . . . . . . . . . . . . 239
Driving
Assistance Systems . . . . . . . . . . 257
Characteristics andTowing Tips . . . . . . . . . . . . . . . . . 271
Defensive . . . . . . . . . . . . . . . . . . . . . 207
Drunk . . . . . . . . . . . . . . . . . . . . . . . . . 207
For Better Fuel Economy . . . . . . . 26
Hill and Mountain Roads . . . . . . 215
If the Vehicle is Stuck . . . . . . . . . 217
Loss of Control . . . . . . . . . . . . . . . 209
Off-Road . . . . . . . . . . . . . . . . . . . . . 209
Off-Road Recovery . . . . . . . . . . . 208
Vehicle Load Limits . . . . . . . . . . . 217
Wet Roads . . . . . . . . . . . . . . . . . . . 214
Winter . . . . . . . . . . . . . . . . . . . . . . . . 215
Dual Automatic Climate Control System . . . . . . . . . . . . . . . . 198
E
Electric Parking Brake . . . . . . . . . . 234
Electric Parking Brake Light . . . . 139 Electrical Equipment,
Add-On . . . . . . . . . . . . . . . . . . . . . . . 283
Electrical System Engine Compartment FuseBlock . . . . . . . . . . . . . . . . . . . . . . . . .311
Fuses and Circuit Breakers . . . 310
Instrument Panel Fuse Block . . . . . . . . . . . . . . . . . . . . . . . . 314
Overload . . . . . . . . . . . . . . . . . . . . . 310
Rear Compartment Fuse Block . . . . . . . . . . . . . . . . . . . . . . . . 316
Emergency OnStar . . . . . . . . . . . . . . . . . . . . . . . 405
Engine Air Cleaner/Filter . . . . . . . . . . . . . 295
Check Light (MalfunctionIndicator) . . . . . . . . . . . . . . . . . . . . 136
Compartment Overview . . . . . . . 288
Coolant Temperature Gauge . . . . . . . . . . . . . . . . . . . . . . 133
Cooling System . . . . . . . . . . . . . . . 296
Drive Belt Routing . . . . . . . . . . . . 389
Exhaust . . . . . . . . . . . . . . . . . . . . . . 229
Heater . . . . . . . . . . . . . . . . . . . . . . . . 225
Oil Life System . . . . . . . . . . . . . . . 293
Oil Pressure Light . . . . . . . . . . . . 142
Overheating . . . . . . . . . . . . . . . . . . 300
Power Messages . . . . . . . . . . . . . 151 Engine (cont'd)
Running While Parked . . . . . . . . 229
Starting . . . . . . . . . . . . . . . . . . . . . . . 223
Entry Lighting . . . . . . . . . . . . . . . . . . . 170
Equipment, Towing . . . . . . . . . . . . . 278
Event Data Recorders . . . . . . . . . . 402
Exit Lighting . . . . . . . . . . . . . . . . . . . . 171
Extended Parking . . . . . . . . . . . . . . . 228
Extender, Seat Belt . . . . . . . . . . . . . . 77
Exterior Lamp Controls . . . . . . . . . 164
Exterior Lamps Off Reminder . . . 166
Exterior Lighting Battery
Saver . . . . . . . . . . . . . . . . . . . . . . . . . 172
F
FeaturesMemory . . . . . . . . . . . . . . . . . . . . . . . . . 12
Filter, Engine Air Cleaner . . . . . . . . . . . 295
Flash-to-Pass . . . . . . . . . . . . . . . . . . . 166
Flashers, Hazard Warning . . . . . . 168
Flat Tire . . . . . . . . . . . . . . . . . . . . . . . . 340 Changing . . . . . . . . . . . . . . . . . . . . . 349
Floor Mats . . . . . . . . . . . . . . . . . . . . . . 371
Fluid
Automatic Transmission . . . . . . 294
Brakes . . . . . . . . . . . . . . . . . . . . . . . . 303
Washer . . . . . . . . . . . . . . . . . . . . . . . 301