
GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-11349177) - 2018 - CRC - 10/17/17
Infotainment System 199.
Only USB storage devices
formatted in FAT16/32 or exFAT
file systems are recognized.
NTFS and other file systems are
not recognized.
.
The time it takes to process files
will depend on the USB storage
device type and capacity, and
the type of files stored.
.
Some USB storage device files
may not be compatible.
.
Up to two USB devices and one
iPod can be played through a
USB hub. All devices may not be
supported, depending on the
performance of the USB hub.
If there is not enough power
supply, it may not operate
normally.
.
Do not disconnect the USB
storage device while it is playing.
This may cause damage to the
product or affect the
performance of the USB device.
.
Disconnect the USB storage
device when the ignition is
turned off. If the ignition is turned
on while the USB device is connected, the USB device may
be damaged or may not operate
normally.
.
USB storage devices can only
be connected for playing music,
viewing photo files,
or upgrading.
.
Do not use the USB terminal to
charge USB accessory
equipment. The heat generated
may cause performance issues
or damage.
.
Music files to which Digital Right
Management (DRM) is applied
cannot be played.
.
USB storage device that are in
capacity with a limit of 5,000
files, such as music, photo,
video, 15 stages of folder
structure. Normal usage cannot
be guaranteed for a storage
device that exceeds this limit.
The iPod/iPhone can play all
music files that are supported.
The music file lists will only
display up to 5,000 files on the
screen. These files are sorted in
alphabetical order. .
Some iPod/iPhone product
models may not support the
connectivity or functionality of
this product.
.
Only connect the iPod/iPhone
with connection cables
supported by iPod/iPhone
products. Other connection
cables cannot be used.
.
The iPod/iPhone may be
damaged if it is connected to the
vehicle with the ignition on.
When not in use, disconnect the
iPod/iPhone.
.
When the iPod/iPhone is
connected to the USB port by
using the iPod/iPhone cable, the
Bluetooth music is not
supported.
.
The iPod/iPhone playback
functions and the information
displayed may be different when
played on the infotainment
system.

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-11349177) - 2018 - CRC - 10/17/17
200 Infotainment System
.
Refer to the table for the
classification items related to the
search function provided by the
iPod/iPhone.
USB Player
Playing Music from a USB Device
.
Connect the USB device to the
USB port.
.
Play will start automatically after
the system has finished reading
the USB device.
.
If a non-readable USB device is
connected, an error message
displays and the system will
switch to the previous audio
function. If the USB device is already
connected:
.
Press
{ .
.
Touch AUDIO.
.
Touch Source.
.
Touch USB.
To stop the USB device and select
another media source, touch
Source, then select the other
source.
To remove the USB device, select
another function, then remove the
USB device.
Pause
.
Touch
j to pause.
.
Touch
r to resume. Changing to Next/Previous Files
.
Touch
l to change to the
next file.
.
Touch
g within five seconds of
the playback time to play the
previous file.
Returning to the Beginning of the
Current File
Touch
g after five seconds of the
playback time.
Scanning Forward or Backward
Touch and hold
g or
l during
playback to rewind or fast forward.
Release the button to resume
playback at normal speed.
Playing a File Randomly
Touch
Z during playback.
.
ON: Plays all files randomly.
.
OFF: Returns to normal
playback.
Using the USB Music Menu
.
Touch Menu during playback.

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-11349177) - 2018 - CRC - 10/17/17
Infotainment System 201
.
Touch the desired menu.
Browse Music
1. Touch Browse Music.
2. Touch the desired music.
Tone Settings
.
Touch Tone Settings. The Tone
Settings menu is displayed. See
“ Tone Settings ” in AM-FM Radio
0 190 .
Auto Volume
.
Touch Auto Volume. The Auto
Volume menu is displayed. See
“ Auto Volume ” in AM-FM Radio
0 190 .
Traffic Program (If Equipped)
.
Touch On or Off. MTP (Media Transfer Protocol)
.
Connect a MTP supported
device.
.
Play will start automatically after
the system has finished reading
the MTP device.
.
If a non-readable MTP device is
connected, an error message
displays and the system will
switch to the previous audio
function.
iPod/iPhone Player
This feature is limited to models
supporting the iPod/iPhone
connection.
Playing Music Files
.
Connect the iPod/iPhone to the
USB port.
.
Play will start from the previously
played point after the system
has finished reading the USB
device. .
If a non-readable USB device is
connected, an error message
displays and the system will
switch to the previous audio
function.
If the iPod/iPhone is already
connected:
1. Press
{ .
2. Touch AUDIO.
3. Touch Source.
4. Touch iPod.
To stop the device and select
another media source, touch
Source, then select the other
source.
To remove the device, select
another function, then remove the
device.
Pause
.
Touch
j to pause.
.
Touch
r to resume.
Changing to Next/Previous Song
.
Touch
l to change to the
next song.

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-11349177) - 2018 - CRC - 10/17/17
202 Infotainment System .
Touch
g within two seconds of
the playback time to play the
previous file.
Returning to the Beginning of the
Current File
Touch
g after two seconds of the
playback time.
Scanning Forward or Backward
Touch and hold
g or
l during
playback to rewind or fast forward.
Release the button to resume
playback at normal speed.
Playing a File Randomly
Touch
Z during playback.
.
ON: Plays all files randomly.
.
OFF: Returns to normal
playback.
Using the iPod Menu
.
Touch Menu during playback.
.
Touch the appropriate
play mode.
Browse Music
1. Touch Browse Music. 2. Touch the desired music.
Tone Settings
.
Touch Tone Settings. The Tone
Settings menu is displayed. See
“ Tone Settings ” in AM-FM Radio
0 190 .
Auto Volume
.
Touch Auto Volume. The Auto
Volume menu is displayed. See
“ Auto Volume ” in AM-FM Radio
0 190 .
Picture System Information The infotainment system can view
picture files stored on a USB
storage device and devices that
support Media Transfer
Protocol (MTP).
.
Supported file extensions: .jpg,
.bmp, .png, .gif.
.
Animated GIF files are not
supported.
.
Some files may not operate due
to a different recording format or
the condition of the file. Viewing Pictures
1. Connect the USB device to the
USB port.
2. Touch the screen to open to full
screen. Touch the screen again
to return to the previous
screen.
If the USB device is already
connected:
1. Press
{ .
2. Touch GALLERY.
Some features are disabled while
the vehicle is in motion.
Viewing a Slide Show
1. Touch
z from the picture
screen.
2. Touch the screen to cancel the
slide show during the slide
show playback.
Viewing a Previous or Next
Picture
Touch
S or
T from the picture
screen.

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-11349177) - 2018 - CRC - 10/17/17
Infotainment System 217.
The infotainment system
transmits the order to play from
the Bluetooth device in the
Bluetooth music play mode.
If this is done in a different
mode, then the device transmits
the order to stop. Depending on
the Bluetooth device options,
this order to play/stop may take
time to activate.
.
If the Bluetooth music playback
is not functioning, then check to
see if the Bluetooth device is in
the waiting screen mode.
.
Sounds may be cut off during
the Bluetooth music playback.
.
The infotainment system outputs
the audio from the cell phone or
Bluetooth device as it is
transmitted.
Apple CarPlay and
Android Auto If equipped, Android Auto and/or
Apple CarPlay capability may be
available through a compatible
smartphone. If available, PROJECTION will appear on the
Home Page of the infotainment
display.
To use Android Auto or Apple
CarPlay:
1. Download the Android Auto
app to your phone from the
Google Play store. No app is
required for Apple CarPlay.
2. Connect an Android phone or
iPhone by using the compatible
phone USB cable and plugging
into a USB data port. For best
performance, use the device ’ s
factory-provided USB cable.
Aftermarket or third-party
cables may not work.
3. When the phone is first
connected to activate Apple
CarPlay or Android Auto, the
message “ Device Projection
Privacy Consent ” will appear.
.
Select Continue to launch
Apple CarPlay or
Android Auto. .
Select Disable to remove
Apple CarPlay and Android
Auto capability from the
vehicle Settings menu.
Other functions may
still work.
PROJECTION on the Home Page
will change to Android Auto or Apple
CarPlay depending on the phone.
Android Auto and/or Apple CarPlay
may automatically launch upon USB
connection. If not, touch the
ANDROID AUTO and/or APPLE
CARPLAY icon on the Home Page
to launch.
Press
{ on the center stack to
return to the Home Page.
For further information on how to set
up Android Auto and Apple CarPlay
in the vehicle, see my.gmc.com or
see Customer Assistance Offices
0 467 .

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-11349177) - 2018 - CRC - 10/17/17
386 Vehicle Care Fuses Usage
2 Accessory power
outlet 4
7 Body control module 4
8 Body control module 8
9 Rear seat
entertainment
10 Cargo lamp
15 Steering wheel
controls
18 Radio
19 –
20 Sunroof
23 Airbag/Info
26 Export/Power take off/
Special equipment
option/Battery 1
27 Obstacle detection/
USB ports
28 Body control module 2
32 Special equipment
option/Battery 2 Fuses Usage
35 Air conditioning
inverter
36 Amplifier
37 Battery system
39 Rear sliding window
42 Right door window
motor
43 Front blower
44 Special equipment
option
45 Body control module 6
46 Body control module 7
47 Passenger seat
Relays Usage
50 Retained accessory
power
51 Rear sliding
window open
52 Rear sliding window
close Instrument Panel Fuse
Block (Left)
The left instrument panel fuse block
access door is on the driver side
edge of the instrument panel.
Pull off the cover to access the fuse
block.

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-11349177) - 2018 - CRC - 10/17/17
Index 499Parking (cont'd)
Over Things That Burn . . . . . . . 264
Parking Assist . . . . . . . . . . . . . . . . . . 289
Parking or Backing
Assistance Systems . . . . . . . . . . 289
Passenger Airbag Status
Indicator . . . . . . . . . . . . . . . . . . . . . . 149
Passenger Compartment Air
Filter . . . . . . . . . . . . . . . . . . . . . . . . . . 232
Passenger Sensing System . . . . . 86
Perchlorate Materials
Requirements, California . . . . . . 343
Personalization
Vehicle . . . . . . . . . . . . . . . . . . . . . . . 165
Phone
Apple CarPlay and
Android Auto . . . . . . . . . . . . . . . . 217
Bluetooth . . . . . . . . . . . . . . . . 211, 213
Pickup Conversion to
Chassis Cab . . . . . . . . . . . . . . . . . . 340
Port
USB . . . . . . . . . . . . . . . . . . . . . . . . . . 197
Power
Door Locks . . . . . . . . . . . . . . . . . . . . . 41
Mirrors . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Outlets . . . . . . . . . . . . . . . . . . . . . . . 133
Protection, Battery . . . . . . . . . . . . 185
Retained Accessory (RAP) . . . 260 Power (cont'd)
Seat Adjustment . . . . . . . . . . . . . . . . 60
Steering Fluid . . . . . . . . . . . . . . . . . 365
Windows . . . . . . . . . . . . . . . . . . . . . . . 52
Power Assist Steps . . . . . . . . . . . . . . 43
Pregnancy, Using Seat Belts . . . . 74
Privacy
Vehicle Data Recording . . . . . . . 477
Program
Courtesy Transportation . . . . . . 471
Proposition
65 Warning,
California . . . . . . . . . . . .343, 369, 426,
Back Cover
R Radio Frequency Statement . . . . 475
Radio Reception . . . . . . . . . . . . . . . . 193
Radios
AM-FM Radio . . . . . . . . . . . . . . . . . 190
Satellite . . . . . . . . . . . . . . . . . . . . . . . 192
Reading Lamps . . . . . . . . . . . . . . . . . 183
Rear Axle . . . . . . . . . . . . . . . . . . . . . . . 371
Locking . . . . . . . . . . . . . . . . . . . . . . . 285
Rear Seats . . . . . . . . . . . . . . . . . . 66, 68
Rear Vision Camera (RVC) . . . . . 289
Rear Windows . . . . . . . . . . . . . . . . . . . 54
Rearview Mirrors . . . . . . . . . . . . . . . . 52 Rearview Mirrors (cont'd)
Automatic Dimming . . . . . . . . . . . . . 52
Reclining Seatbacks . . . . . . . . . . . . . 61
Recognition
Voice . . . . . . . . . . . . . . . . . . . . . . . . . 205
Recommended Fluids and
Lubricants . . . . . . . . . . . . . . . . . . . . . 456
Records
Maintenance . . . . . . . . . . . . . . . . . . 459
Recreational Vehicle Towing . . . . 430
Reimbursement Program,
GM Mobility . . . . . . . . . . . . . . . . . . . 469
Remote Keyless Entry (RKE)
System . . . . . . . . . . . . . . . . . . . . . . . . . 37
Remote Vehicle Start . . . . . . . . . . . . 39
Replacement Parts
Airbags . . . . . . . . . . . . . . . . . . . . . . . . . 92
Maintenance . . . . . . . . . . . . . . . . . . 458
Replacing Airbag System . . . . . . . . 92
Replacing LATCH System
Parts after a Crash . . . . . . . . . . . . 111
Replacing Seat Belt System
Parts after a Crash . . . . . . . . . . . . . 76
Reporting Safety Defects
Canadian Government . . . . . . . . 476
General Motors . . . . . . . . . . . . . . . 477
U.S. Government . . . . . . . . . . . . . 476

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-11349177) - 2018 - CRC - 10/17/17
502 Index Towing (cont'd)
Trailer . . . . . . . . . . . . . . . . . . . . . . . . 307
Trailer Sway Control (TSC) . . . 334
Vehicle . . . . . . . . . . . . . . . . . . . . . . . 430
Traction
Control System (TCS)/
StabiliTrak Light . . . . . . . . . . . . . 155
Off Light . . . . . . . . . . . . . . . . . . . . . . 154
Traction Control/Electronic
Stability Control . . . . . . . . . . . . . . . 282
Trademarks and License
Agreements . . . . . . . . . . . . . . . . . . . 218
Trailer
Sway Control (TSC) . . . . . . . . . . 334
Tow Mirrors . . . . . . . . . . . . . . . . . . . . . 48
Towing . . . . . . . . . . . . . . . . . . . . . . . . 307
Transfer Case . . . . . . . . . . . . . . . . . . 272
Transmission
Automatic . . . . . . . . . . . . . . . . . . . . . 265
Fluid, Automatic . . . . . . . . . 354, 357
Temperature Gauge . . . . . . . . . . 145
Transportation Program,
Courtesy . . . . . . . . . . . . . . . . . . . . . . 471
Trip Odometer . . . . . . . . . . . . . . . . . . 142
Truck-Camper Loading
Information . . . . . . . . . . . . . . . . . . . . 253
Turn and Lane-Change
Signals . . . . . . . . . . . . . . . . . . . . . . . . 181 Turn Signal
Bulb Replacement . . . . . . . . . . . . 378
U Uniform Tire Quality Grading . . . 410
Universal Remote System . . . . . . 172
Operation . . . . . . . . . . . . . . . . . . . . . 174
Programming . . . . . . . . . . . . . . . . . 172
Updates
Software . . . . . . . . . . . . . . . . . . . . . . 189
USB Port . . . . . . . . . . . . . . . . . . . . . . . 197
Using This Manual . . . . . . . . . . . . . . . . 2
V Vehicle
Alarm System . . . . . . . . . . . . . . . . . . 44
Canadian Owners . . . . . . . . . . . . . . . 2
Control . . . . . . . . . . . . . . . . . . . . . . . 236
Identification Number (VIN) . . . 460
Load Limits . . . . . . . . . . . . . . . . . . . 248
Messages . . . . . . . . . . . . . . . . . . . . 164
Personalization . . . . . . . . . . . . . . . 165
Remote Start . . . . . . . . . . . . . . . . . . . 39
Security . . . . . . . . . . . . . . . . . . . . . . . . 44
Speed Messages . . . . . . . . . . . . . 164
Towing . . . . . . . . . . . . . . . . . . . . . . . . 430
Vehicle Ahead Indicator . . . . . . . . 154 Vehicle Care
Tire Pressure . . . . . . . . . . . . . . . . . 397
Vehicle Data Recording and
Privacy . . . . . . . . . . . . . . . . . . . . . . . . 477
Ventilation, Air . . . . . . . . . . . . . . . . . . 231
Visors . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Voice Recognition . . . . . . . . . . . . . . 205
Voltage Devices and Wiring . . . . 380
Voltmeter Gauge . . . . . . . . . . . . . . . 145
W Warning
Brake System Light . . . . . . . . . . . 152
Caution and Danger . . . . . . . . . . . . . 3
Lane Departure (LDW) . . . . . . . 295
Warning Lights, Gauges, and
Indicators . . . . . . . . . . . . . . . . . . . . . 137
Warnings
Hazard Flashers . . . . . . . . . . . . . . 180
Washer Fluid . . . . . . . . . . . . . . . . . . . 366
Wheels
Alignment and Tire Balance . . .411
Different Size . . . . . . . . . . . . . . . . . 409
Replacement . . . . . . . . . . . . . . . . . 412
When It Is Time for New
Tires . . . . . . . . . . . . . . . . . . . . . . . . . . 407
Where to Put the Restraint . . . . . . 98
Wi-Fi . . . . . . . . . . . . . . . . . . . . . . . . . . . 482