ECU GMC ACADIA 2019 Repair Manual

GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-12146149) - 2019 - crc - 7/30/18
406 OnStar
Security
If equipped, OnStar provides these
services:
.With Stolen Vehicle Assistance,
OnStar Advisors can use GPS to
pinpoint the vehicle and help
authorities quickly recover it.
. With Remote Ignition Block,
if equipped, OnStar can block
the engine from being restarted.
. With Stolen Vehicle Slowdown,
if equipped, OnStar can work
with law enforcement to
gradually slow the vehicle down.
Theft Alarm Notification
If equipped, if the doors are locked
and the vehicle alarm sounds, a
notification by text, e-mail, or phone
call will be sent. If the vehicle is
stolen, an OnStar Advisor can work
with authorities to recover the
vehicle.
OnStar Additional
Information
In-Vehicle Audio Messages
Audio messages may play important
information at the following times:
.Prior to vehicle purchase.
Press
Qto set up an account.
. After change in ownership and
at 90 days.
Transferring Service
PressQto request account transfer
eligibility information. The Advisor
can cancel or change account
information.
Selling/Transferring the
Vehicle
Call 1-888-4ONSTAR
(1-888-466-7827) immediately to
terminate your OnStar or connected
services if the vehicle is disposed
of, sold, transferred, or if the
lease ends.
Reactivation for Subsequent
Owners
PressQand follow the prompts to
speak to an Advisor as soon as
possible. The Advisor will update
vehicle records and explain OnStar
or connected service options.
How OnStar Service Works
Automatic Crash Response,
Emergency Services, Crisis Assist,
Stolen Vehicle Assistance, Remote
Services, Roadside Assistance, and
Hands-Free Calling are available on
most vehicles. Not all OnStar
services are available everywhere
or on all vehicles. For more
information, a full description of
OnStar services, system limitations,
and OnStar User Terms, Privacy
Statement, and Software Terms:
. Call 1-888-4ONSTAR
(1-888-466-7827).
. See www.onstar.com (U.S.).
. See www.onstar.ca (Canada).
. Call TTY 1-877-248-2080.

GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-12146149) - 2019 - crc - 7/30/18
OnStar 409
security, or the operation of the
vehicle or the vehicle systems.
Software updates or changes may
affect or erase data or settings that
are stored in the vehicle, such as
OnStar Hands-Free Calling name
tags, saved navigation destinations,
or pre-set radio stations. Neither
OnStar nor GM is responsible for
any affected or erased data or
settings. These updates or changes
may also collect personal
information. Such collection is
described in the OnStar privacy
statement or separately disclosed at
the time of installation. These
updates or changes may also cause
a system to automatically
communicate with GM servers to
collect information about vehicle
system status, identify whether
updates or changes are available,
or deliver updates or changes. An
active OnStar agreement constitutes
consent to these software updates
or changes and agreement that
either OnStar or GM may remotely
deliver them to the vehicle.Privacy
The complete OnStar Privacy
Statement may be found at
www.onstar.com (U.S.),
or www.onstar.ca (Canada). We
recommend that you review it. If you
have any questions, call
1-888-4ONSTAR (1-888-466-7827)
or press
Qto speak with an
Advisor. Users of wireless
communications are cautioned that
the privacy of any information sent
via wireless cellular communications
cannot be assured. Third parties
may unlawfully intercept or access
transmissions and private
communications without consent.
OnStar - Software
Acknowledgements
Certain OnStar components include
libcurl and unzip software and other
third party software. Below are the
notices and licenses associated with
libcurl and unzip and for other third
party software please see http://
opensource.lge.com/index
www.onstar.com/us/en/ libcurl:
COPYRIGHT AND PERMISSION
NOTICE
Copyright (c) 1996 - 2010, Daniel
Stenberg, .
All rights reserved.
Permission to use, copy, modify,
and distribute this software for any
purpose with or without fee is
hereby granted, provided that the
above copyright notice and this
permission notice appear in all
copies.
THE SOFTWARE IS PROVIDED
“AS IS,”
WITHOUT WARRANTY OF
ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT
LIMITED TO THE WARRANTIES
OF MERCHANTABILITY, FITNESS
FOR A PARTICULAR PURPOSE
AND NONINFRINGEMENT OF
THIRD PARTY RIGHTS. IN NO
EVENT SHALL THE AUTHORS OR
COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM,
DAMAGES OR OTHER LIABILITY,
WHETHER IN AN ACTION OF
CONTRACT, TORT OR

GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-12146149) - 2019 - crc - 7/30/18
410 OnStar
OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE
USE OR OTHER DEALINGS IN
THE SOFTWARE.
Except as contained in this notice,
the name of a copyright holder shall
not be used in advertising or
otherwise to promote the sale, use
or other dealings in this Software
without prior written authorization of
the copyright holder.
unzip:
This is version 2005-Feb-10 of the
Info-ZIP copyright and license. The
definitive version of this document
should be available at ftp://
ftp.info-zip.org/pub/infozip/
license.html indefinitely.
Copyright (c) 1990-2005 Info-ZIP. All
rights reserved.For the purposes of this copyright
and license,
“Info-ZIP”is defined as
the following set of individuals:
Mark Adler, John Bush, Karl Davis,
Harald Denker, Jean-Michel Dubois,
Jean-loup Gailly, Hunter Goatley, Ed
Gordon, Ian Gorman, Chris
Herborth, Dirk Haase, Greg Hartwig,
Robert Heath, Jonathan Hudson,
Paul Kienitz, David Kirschbaum,
Johnny Lee, Onno van der Linden,
Igor Mandrichenko, Steve P. Miller,
Sergio Monesi, Keith Owens,
George Petrov, Greg Roelofs, Kai
Uwe Rommel, Steve Salisbury,
Dave Smith, Steven M. Schweda,
Christian Spieler, Cosmin Truta,
Antoine Verheijen, Paul von Behren,
Rich Wales, Mike White.
This software is provided “as is,”
without warranty of any kind,
express or implied. In no event shall
Info-ZIP or its contributors be held
liable for any direct, indirect,
incidental, special or consequential
damages arising out of the use of or
inability to use this software. Permission is granted to anyone to
use this software for any purpose,
including commercial applications,
and to alter it and redistribute it
freely, subject to the following
restrictions:
1. Redistributions of source code must retain the above copyright
notice, definition, disclaimer,
and this list of conditions.
2. Redistributions in binary form (compiled executables) must
reproduce the above copyright
notice, definition, disclaimer,
and this list of conditions in
documentation and/or other
materials provided with the
distribution. The sole exception
to this condition is redistribution
of a standard UnZipSFX binary
(including SFXWiz) as part of a
self-extracting archive; that is
permitted without inclusion of
this license, as long as the
normal SFX banner has not
been removed from the binary
or disabled.

GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-12146149) - 2019 - crc - 7/30/18
Connected Services 413
2. Say“Repeat.” System
responds with the last direction
given, then responds with
“OnStar ready,” then a tone.
Get My Destination
1. Press
=. System responds:
“OnStar ready,” then a tone.
2. Say “Get my destination.”
System responds with the
address and distance to the
destination, then responds with
“OnStar ready,” then a tone.
Send Destination to Vehicle
Directions can be sent to the
vehicle’s navigation screen,
if equipped.
Press
Q, then ask the Advisor to
download directions to the vehicle’s
navigation system, if equipped. After
the call ends, the navigation screen
will provide prompts to begin driving
directions. Routes that are sent to
the navigation screen can only be
canceled through the navigation
system. See www.onstar.com (U.S.) or
www.onstar.ca (Canada).
Connections
The following services help with
staying connected.
For coverage maps, see
www.onstar.com (U.S.) or
www.onstar.ca (Canada).
Ensuring Security
.
Change the default passwords
for the Wi-Fi hotspot and
myGMC mobile application.
Make these passwords different
from each other and use a
combination of letters, numbers,
and symbols to increase the
security.
. Change the default name of the
SSID (Service Set Identifier).
This is your network’s name that
is visible to other wireless
devices. Choose a unique name
and avoid family names or
vehicle descriptions. Wi-Fi Hotspot (If Equipped)
The vehicle may have a built-in
Wi-Fi hotspot that provides access
to the Internet and web content at
4G LTE speed. Up to seven mobile
devices can be connected. A data
plan is required. Use the in-vehicle
controls only when it is safe to
do so.
1. To retrieve Wi-Fi hotspot information, press
=to open
the OnStar app on the
infotainment display, then
select Wi-Fi Hotspot. On some
vehicles, touch Wi-Fi or Wi-Fi
Settings on the screen.
2. The Wi-Fi settings will display the Wi-Fi hotspot name (SSID),
password, and on some
vehicles, the connection type
(no Internet connection, 3G,
4G, 4G LTE), and signal quality
(poor, good, excellent).
3. To change the SSID or password, press
Qor call
1-888-4ONSTAR to connect
with an Advisor. On some

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
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
422 Index
Lights (cont'd)High-Beam On . . . . . . . . . . . . . . . . 144
High/Low Beam Changer . . . . . 166
Hill Descent Control . . . . . . . . . . 140
Lane Keep Assist . . . . . . . . . . . . . 140
Low Fuel Warning . . . . . . . . . . . . 143
Seat Belt Reminders . . . . . . . . . . 134
Security . . . . . . . . . . . . . . . . . . . . . . 144
Service Electric Parking
Brake . . . . . . . . . . . . . . . . . . . . . . . 139
StabiliTrak OFF . . . . . . . . . . . . . . . 141
Tire Pressure . . . . . . . . . . . . . . . . . 142
Tow/Haul Mode . . . . . . . . . . . . . . . 140
Traction Control System (TCS)/StabiliTrak . . . . . . . . . . . . 141
Traction Off . . . . . . . . . . . . . . . . . . . 141
Locks Automatic Door . . . . . . . . . . . . . . . . . 39
Delayed Locking . . . . . . . . . . . . . . . . 39
Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Lockout Protection . . . . . . . . . . . . . . 40
Power Door . . . . . . . . . . . . . . . . . . . . . 39
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Loss of Control . . . . . . . . . . . . . . . . . 209
Low Fuel Warning Light . . . . . . . . . 143
Lower Anchors and Tethers for Children (LATCH
System) . . . . . . . . . . . . . . . . . . . . . . . . 99 Lumbar Adjustment . . . . . . . . . . . . . . 59
Front Seats . . . . . . . . . . . . . . . . . . . . . 59
M
Maintenance
Records . . . . . . . . . . . . . . . . . . . . . . 385
Maintenance and Care
Additional . . . . . . . . . . . . . . . . . . . . . 380
Maintenance Schedule . . . . . . . . . 375 Recommended Fluids andLubricants . . . . . . . . . . . . . . . . . . . 383
Malfunction Indicator Lamp . . . . . 136
Manual Mode . . . . . . . . . . . . . . . . . . . 232
Memory Features . . . . . . . . . . . . . . . . 12
Memory Seats . . . . . . . . . . . . . . . . . . . 61
Messages Engine Power . . . . . . . . . . . . . . . . 151
Vehicle . . . . . . . . . . . . . . . . . . . . . . . 151
Vehicle Speed . . . . . . . . . . . . . . . . 151
Mirrors Automatic Dimming . . . . . . . . . . . . . 50
Automatic Dimming
Rearview . . . . . . . . . . . . . . . . . . . . . . 50
Convex . . . . . . . . . . . . . . . . . . . . . . . . . 49
Folding . . . . . . . . . . . . . . . . . . . . . . . . . 49
Heated . . . . . . . . . . . . . . . . . . . . . . . . . 49
Manual Rearview . . . . . . . . . . . . . . . 50
Power . . . . . . . . . . . . . . . . . . . . . . . . . . 49 Mirrors (cont'd)
Tilt in Reverse . . . . . . . . . . . . . . . . . . 50
Mirrors, Interior Rearview . . . . . . . . 50
Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . 239 Driver Control . . . . . . . . . . . . . . . . . 239
Monitor System, Tire Pressure . . . . . . . . . . . . . . . . . . . . . . 328
Multi-band Antenna . . . . . . . . . . . . . 181
N
Navigation Connected Services . . . . . . . . . . 412
New Vehicle Break-In . . . . . . . . . . . 221
O
Odometer . . . . . . . . . . . . . . . . . . . . . . . 131 Trip . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
Off-Road . . . . . . . . . . . . . . . . . . . . . . . 209 Driving . . . . . . . . . . . . . . . . . . . . . . . . 209
Recovery . . . . . . . . . . . . . . . . . . . . . 208
Oil Engine . . . . . . . . . . . . . . . . . . . . . . . . 291
Engine Oil Life System . . . . . . . 293
Pressure Light . . . . . . . . . . . . . . . . 142
Older Children, Restraints . . . . . . . 91
Online Owner Center . . . . . . . . . . . 393
OnStar . . . . . . . . . . . . . . . . . . . . . . . . . 403
OnStar Additional Information . . . . . . . . . . . . . . . . . . . . 406

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Index 423
OnStar Emergency . . . . . . . . . . . . . 405
OnStar Overview . . . . . . . . . . . . . . . 404
OnStar Security . . . . . . . . . . . . . . . . 406
OperationFog Lamps . . . . . . . . . . . . . . . . . . . 168
Infotainment System . . . . . . . . . . 176
Outlets
Power . . . . . . . . . . . . . . . . . . . . . . . . 124
Overheating, Engine . . . . . . . . . . . . 300
Overview . . . . . . . . . . . . . . . . . . . . . . . 175
P
Park Shifting Into . . . . . . . . . . . . . . . . . . . 226
Shifting Out of . . . . . . . . . . . . . . . . 227
Park Assist . . . . . . . . . . . . . . . . . . . . . 253
Parking Brake and P (Park)Mechanism Check . . . . . . . . . . 305
Extended . . . . . . . . . . . . . . . . . . . . . 228
Over Things That Burn . . . . . . . 228
Parking or Backing Assistance Systems . . . . . . . . . . 253
Passenger Airbag Status Indicator . . . . . . . . . . . . . . . . . . . . . . 135
Passenger Compartment Air
Filter . . . . . . . . . . . . . . . . . . . . . . . . . . 204
Passenger Sensing System . . . . . 85 Pedestrian Ahead Indicator . . . . . 141
Perchlorate Materials
Requirements, California . . . . . . 286
Personalization Vehicle . . . . . . . . . . . . . . . . . . . . . . . 152
Phone Apple CarPlay and
Android Auto . . . . . . . . . . . . . . . . 193
Bluetooth . . . . . . . . . . . . . . . . 188, 189
Hands-Free . . . . . . . . . . . . . . . . . . . 194
Port
USB . . . . . . . . . . . . . . . . . . . . . . . . . . 181
Power Door Locks . . . . . . . . . . . . . . . . . . . . . 39
Mirrors . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Outlets . . . . . . . . . . . . . . . . . . . . . . . 124
Protection, Battery . . . . . . . . . . . . 171
Retained Accessory (RAP) . . . 226
Seat Adjustment . . . . . . . . . . . . . . . . 59
Windows . . . . . . . . . . . . . . . . . . . . . . . 51
Pregnancy, Using Seat Belts . . . . 76
Privacy
Vehicle Data Recording . . . . . . . 402
Program Courtesy Transportation . . . . . . 396
Prohibited Fuels . . . . . . . . . . . . . . . . 268 Proposition
65 Warning,
California . . . . . . . . . . . .285, 304, 356,
Back Cover
Publication Ordering Information . . . . . . . . . . . . . . . . . . . . 399
R
Radio Frequency Statement . . . . 400
Radio Reception . . . . . . . . . . . . . . . . 180
RadiosAM-FM Radio . . . . . . . . . . . . . . . . . 178
Satellite . . . . . . . . . . . . . . . . . . . . . . . 179
Reading Lamps . . . . . . . . . . . . . . . . . 170
Rear Climate Control System . . . 201
Rear Seats . . . . . . . . . . . . . . . . . . . . . . 66 Heated . . . . . . . . . . . . . . . . . . . . . . . . . 69
Rear Storage . . . . . . . . . . . . . . . . . . . 112
Rear Vision Camera (RVC) . . . . . 253
Rear Window Washer/Wiper . . . . 121
Rearview Mirrors . . . . . . . . . . . . . . . . 50 Automatic Dimming . . . . . . . . . . . . . 50
Reclining Seatbacks . . . . . . . . . . . . . 59
Recommended Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . 268
Recommended Fluids and
Lubricants . . . . . . . . . . . . . . . . . . . . . 383

GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/-
Mexico-12146149) - 2019 - crc - 7/30/18
424 Index
RecordsMaintenance . . . . . . . . . . . . . . . . . . 385
Recreational Vehicle Towing . . . . 359
Reimbursement Program, GM Mobility . . . . . . . . . . . . . . . . . . . 394
Remote Keyless Entry (RKE) System . . . . . . . . . . . . . . . . . . . . . . . . . 29
Remote Vehicle Start . . . . . . . . . . . . 35
Replacement Parts Airbags . . . . . . . . . . . . . . . . . . . . . . . . . 91
Maintenance . . . . . . . . . . . . . . . . . . 384
Replacing Airbag System . . . . . . . . 91
Replacing LATCH System Parts after a Crash . . . . . . . . . . . . 105
Replacing Seat Belt System Parts after a Crash . . . . . . . . . . . . . 78
Reporting Safety Defects Canadian Government . . . . . . . . 401
General Motors . . . . . . . . . . . . . . . 401
U.S. Government . . . . . . . . . . . . . 400
Restraints
Where to Put . . . . . . . . . . . . . . . . . . . 97
Retained Accessory Power (RAP) . . . . . . . . . . . . . . . . . . 226
Reverse Tilt Mirrors . . . . . . . . . . . . . . 50
Roads
Driving, Wet . . . . . . . . . . . . . . . . . . 214 Roadside Assistance
Program . . . . . . . . . . . . . . . . . . . . . . . 394
Roof Sunroof . . . . . . . . . . . . . . . . . . . . . . . . . 53
Roof Rack System . . . . . . . . . . . . . . 117
Rotation, Tires . . . . . . . . . . . . . . . . . . 334
Routing, Engine Drive Belt . . . . . . 389
Running the Vehicle While Parked . . . . . . . . . . . . . . . . . . . . . . . . 229
S
Safety Defects ReportingCanadian Government . . . . . . . . 401
General Motors . . . . . . . . . . . . . . . 401
U.S. Government . . . . . . . . . . . . . 400
Safety Locks . . . . . . . . . . . . . . . . . . . . . 40
Safety System Check . . . . . . . . . . . . 77
Satellite Radio . . . . . . . . . . . . . . . . . . 179
Scheduling Appointments . . . . . . . 396
Sealant Kit, Tire . . . . . . . . . . . . . . . . 342
Seat Belts . . . . . . . . . . . . . . . . . . . . . . . 71 Care . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Extender . . . . . . . . . . . . . . . . . . . . . . . . 77
How to Wear Seat BeltsProperly . . . . . . . . . . . . . . . . . . . . . . . 72
Lap-Shoulder Belt . . . . . . . . . . . . . . 74
Reminders . . . . . . . . . . . . . . . . . . . . 134
Replacing after a Crash . . . . . . . . 78 Seat Belts (cont'd)
Use During Pregnancy . . . . . . . . . . 76
Seats Adjustment, Front . . . . . . . . . . . . . . . 58
Head Restraints . . . . . . . . . . . . . . . . 56
Heated and Ventilated Front . . . . 64
Heated, Rear . . . . . . . . . . . . . . . . . . . 69
Lumbar Adjustment, Front . . . . . . 59
Memory . . . . . . . . . . . . . . . . . . . . . . . . . 61
Power Adjustment, Front . . . . . . . 59
Rear . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Reclining Seatbacks . . . . . . . . . . . . 59
Third Row Seat . . . . . . . . . . . . . . . . . 70
Securing Child
Restraints . . . . . . . . . . . . . . . . 106, 108
Security Light . . . . . . . . . . . . . . . . . . . . . . . . . . 144
OnStar . . . . . . . . . . . . . . . . . . . . . . . 406
Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . 46
Vehicle Alarm . . . . . . . . . . . . . . . . . . . 46
Service . . . . . . . . . . . . . . . . . . . . . . . . . 204 Accessories andModifications . . . . . . . . . . . . . . . . 286
Doing Your Own Work . . . . . . . . 286
Maintenance Records . . . . . . . . 385
Maintenance, General Information . . . . . . . . . . . . . . . . . . 373
Parts Identification Label . . . . . 386

GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/-
Mexico-12146149) - 2019 - crc - 7/30/18
426 Index
Tires (cont'd)Pressure Monitor System . . . . . 328
Rotation . . . . . . . . . . . . . . . . . . . . . . 334
Sealant and
Compressor Kit . . . . . . . . . . . . . 342
Sealant and Compressor Kit, Storing . . . . . . . . . . . . . . . . . . 348
Sidewall Labeling . . . . . . . . . . . . . 321
Terminology and Definitions . . 324
Uniform Tire Quality Grading . . . . . . . . . . . . . . . . . . . . . 337
Wheel Alignment and Tire Balance . . . . . . . . . . . . . . . . . . . . . 339
Wheel Replacement . . . . . . . . . . 339
When It Is Time for New
Tires . . . . . . . . . . . . . . . . . . . . . . . . 335
Winter . . . . . . . . . . . . . . . . . . . . . . . . 320
Top Tier Fuel . . . . . . . . . . . . . . . . . . . 268
Tow/Haul Mode . . . . . . . . . . . . . . . . . 232
Tow/Haul Mode Light . . . . . . . . . . . 140
Towing
Driving Characteristics . . . . . . . . 271
Equipment . . . . . . . . . . . . . . . . . . . . 278
General Information . . . . . . . . . . 271
Recreational Vehicle . . . . . . . . . . 359
Trailer . . . . . . . . . . . . . . . . . . . . . . . . 275
Trailer Sway Control (TSC) . . . 281
Vehicle . . . . . . . . . . . . . . . . . . . . . . . 359 Traction
Control System
(TCS)/StabiliTrak Light . . . . . . 141
Off Light . . . . . . . . . . . . . . . . . . . . . . 141
Traction Control/Electronic Stability Control . . . . . . . . . . . . . . . 236
Trademarks and License
Agreements . . . . . . . . . . . . . . . . . . . 196
Trailer Sway Control (TSC) . . . . . . . . . . 281
Towing . . . . . . . . . . . . . . . . . . . . . . . . 275
Transmission Automatic . . . . . . . . . . . . . . . . . . . . . 230
Fluid, Automatic . . . . . . . . . . . . . . 294
Transportation Program, Courtesy . . . . . . . . . . . . . . . . . . . . . . 396
Trip Odometer . . . . . . . . . . . . . . . . . . 131
Turn and Lane-Change Signals . . . . . . . . . . . . . . . . . . . . . . . . 168
U
Uniform Tire Quality Grading . . . 337
Universal Remote System . . . . . . 160Operation . . . . . . . . . . . . . . . . . . . . . 163
Programming . . . . . . . . . . . . . . . . . 160
Updates
Software . . . . . . . . . . . . . . . . . . . . . . 177 USB Port . . . . . . . . . . . . . . . . . . . . . . . 181
Using This Manual . . . . . . . . . . . . . . . . 2
V
Vehicle
Alarm System . . . . . . . . . . . . . . . . . . 46
Canadian Owners . . . . . . . . . . . . . . . 2
Control . . . . . . . . . . . . . . . . . . . . . . . 207
Identification Number (VIN) . . . 386
Load Limits . . . . . . . . . . . . . . . . . . . 217
Messages . . . . . . . . . . . . . . . . . . . . 151
Personalization . . . . . . . . . . . . . . . 152
Remote Start . . . . . . . . . . . . . . . . . . . 35
Security . . . . . . . . . . . . . . . . . . . . . . . . 46
Speed Messages . . . . . . . . . . . . . 151
Towing . . . . . . . . . . . . . . . . . . . . . . . . 359
Vehicle Ahead Indicator . . . . . . . . 140
Vehicle Care
Storing the Tire Sealantand Compressor Kit . . . . . . . . . 348
Tire Pressure . . . . . . . . . . . . . . . . . 326
Vehicle Data Recording and Privacy . . . . . . . . . . . . . . . . . . . . . . . . 402
Ventilation, Air . . . . . . . . . . . . . . . . . . 203
Visors . . . . . . . . . . . . . . . . . . . . . . . . . . . 52