2021 GMC SIERRA USB

GMC Sierra/Sierra Denali 1500 Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-14632426) - 2021 - CRC - 11/5/20
Infotainment System 159
Caution
To avoid vehicle damage, unplug all
accessories and disconnect all accessory
cables from the vehicle when not in use.
Accessory cables left plugged into the
vehicle, unconnected to a device, could be
damaged or cause an electrical short if
the unconnected end comes in contact
with liquids or another power source such
as the accessory power outlet.
Playing from a USB
A USB mass storage device can be connected
to the USB port.
Gracenote
When plugging in a USB device, Gracenote
service builds voice tags for music. Voice
tags allow artists, albums with hard to
pronounce names, and nicknames to be used
to play music through voice recognition.
While indexing, infotainment features are
available.My Media Library
MyMedia is only available when more than
one indexed device is connected. It allows
access to content from all indexed media
sources. MyMedia will show as an available
source in the Source page.
USB MP3 Player and USB Devices
The USB MP3 players and USB devices
connected must comply with the USB Mass
Storage Class specification (USB MSC).
to play a USB device:
1. Connect the USB.
2. Press MEDIA on the center stack until the connected device is shown.
Use the following when playing an active
USB source:
r: Touch to play the current media source.
j: Touch to pause playback of the current
media source.
g:
.Press to seek to the beginning of the
current or previous track.
.Press and hold to reverse quickly through
playback. Release to return to playing
speed. Elapsed time displays.
d:
.Press to seek to the next track.
.Press and hold to advance quickly
through playback. Release to return to
playing speed. Elapsed time displays.
Shuffle : Touch the shuffle icon to play
music in random order.
USB Menu
Touch the Menu icon to display the USB
menu. The following may be available:
Shuffle : Touch to play the tracks randomly.
Touch again to stop shuffle.
Tone : Touch + or –to adjust the tone
settings. See AM-FM Radio 0155.
Auto Volume (If Equipped) : This feature
adjusts the volume based on the vehicle
speed. See AM-FM Radio 0155.
Bose AudioPilot Noise Compensation
Technology (If Equipped : This feature
adjusts the volume based on the noise in
the vehicle and speed. See AM-FM Radio
0 155.
USB Browse Menu
When a list of songs, albums, artists,
or other types of media displays, the up and
down arrows and A-Z appear on the left

GMC Sierra/Sierra Denali 1500 Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-14632426) - 2021 - CRC - 11/5/20
160 Infotainment System
side. Select A-Z to view a display that will
show all letters of the alphabet and select
the letter to go to.
Touch anywhere between the top and
bottom menus or touch the Browse option
on the infotainment display to view the
Browse menu and the following options are
displayed near the bottom of the display:
Playlists:1. Touch to view the playlists stored on the USB.
2. Touch a playlist to view the list of all songs in that playlist.
3. Touch a song from the list to begin playback.
Supported Playlist extensions are m3u, pls,
and wpl.
Artists: 1. Touch to view the list of artists stored on the USB.
2. Touch an artist name to view a list of all albums by the artist.
3. To select a song, touch All Songs or touch an album and then select a song
from the list. Albums:
1. Touch to view the albums on the USB.
2. Touch the album to view a list of all songs on the album.
3. Touch a song from the list to begin playback.
Songs: 1. Touch to display a list of all songs on the USB.
2. To begin playback, touch a song from the list.
Genres: 1. Touch to view the genres on the USB.
2. Touch a genre to view a list of artists.
3. Touch an artist to view albums by that artist.
4. Touch an album to view songs on the album.
5. Touch a song to start playback.
Podcasts, Composers, Audiobooks, and Folder
View (if equipped) are shown when the
More option is selected from near the
bottom of the display.
Podcasts: 1. Touch to view the podcasts on the USB. 2. Select a podcast.
3. Select an episode to start playback.
Composers: 1. Touch to view the composers on the USB.
2. Touch Composers to view a list of albums by that composer.
3. Touch an album to view a list of songs.
4. Touch a song from the list to begin playback.
Folder View: 1. Touch to view the directories on the USB.
2. Touch a folder to view a list of all files.
3. Touch a file from the list to begin playback.
Audiobooks: 1. Touch to view the audiobooks stored on the USB.
2. Touch an audiobook to get a list of chapters.
3. Touch the chapter from the list to begin playback.

GMC Sierra/Sierra Denali 1500 Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-14632426) - 2021 - CRC - 11/5/20
Infotainment System 161
When a list of songs, albums, artists,
or other types of media display, a vertical
keyboard appears on one side of the list and
a scroll bar on the other side. When using
the vertical keyboard, touch the beginning
character of the desired name to display the
zoom bubble of that character. Release the
finger from the infotainment display and
the zoom bubble disappears.
Touch the scroll bar to move the list up
and down.
File System and Naming
The songs, artists, albums, and genres are
taken from the file’s song information and
are only displayed if present. The radio
displays the file name as the track name if
the song information is not available.Supported Apple Devices
To view supported devices in USA, see
my.gmc.com\learned.
Loss of Audio
If a phone currently paired over Bluetooth is
plugged in with a USB cable, the system will
automatically mute the phone audio.
Playback can be resumed by changing the
audio source from Bluetooth to USB cable.
Source USB from the Media icon on the
infotainment display to resume playback.
Other phones such as Android phones may
have a similar reaction.
Bluetooth Streaming Audio and Voice
Recognition
See
Bluetooth Audio 0162 for information
using voice recognition with Bluetooth
streaming audio.
Make sure all devices have the latest
software downloaded.
Auxiliary Jack
If equipped, this vehicle may have an
auxiliary input jack. This may be located in
the center stack or center console under the
armrest. Possible auxiliary audio sources
include:
.Laptop computer
.Audio music player
This jack is not an audio output. Do not
plug headphones into the auxiliary input
jack. Set up an auxiliary device while the
vehicle is in P (Park).
Connect a 3.5 mm (1/8 in) cable from the
auxiliary device to the auxiliary input jack.
When a device is connected, the system can
play audio from the device over the vehicle
speakers.
If an auxiliary device has already been
connected, but a different source is currently
active, press MEDIA on the center stack or
touch the Media icon on the infotainment
display to scroll through audio source
menus, until the AUX Input source appears.
Playing from the AUX Port
An auxiliary device is played through the
audio system and controlled through the
device itself.

GMC Sierra/Sierra Denali 1500 Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-14632426) - 2021 - CRC - 11/5/20
Infotainment System 185
Dual Tone Multi-Frequency (DTMF) Tones
The in-vehicle Bluetooth system can send
numbers during a call. This is used when
calling a menu-driven phone system. Use the
Keypad to enter the number.
Apple CarPlay and Android Auto
If equipped, Android Auto and/or Apple
CarPlay capability may be available through
a compatible smartphone. If available, the
Android Auto and Apple CarPlay icons will
change from gray to color on the Home
Page of the infotainment display.
To use Android Auto and/or Apple CarPlay:
For Wired Phone Projection1. Download the Android Auto app to your smartphone from the Google Play store.
There is no app required for Apple
CarPlay.
2. Connect your Android phone or Apple iPhone by using the factory-provided
phone USB cable and plugging into a
USB data port. For best performance, it is
highly recommended to use the device’s
factory-provided USB cable, which should
be replaced after significant wear to
maintain connection quality. Aftermarket
or third-party cables may not work. 3. When the phone is first connected to
activate Apple CarPlay or Android Auto,
accept the terms and conditions on both
the infotainment system and the phone.
4. Follow the instructions on the phone.
The Android Auto and Apple CarPlay icons
on the Home Page will illuminate depending
on the smartphone. Android Auto and/or
Apple CarPlay may automatically launch
upon USB connection. If not, touch the
Android Auto or Apple CarPlay icon on the
Home Page to launch.
Press
{on the center stack to return to the
Home Page.
For Wireless Phone Projection
Verify your phone is wireless compatible by
visiting the Google Android Auto or Apple
CarPlay support page.
1. Download the Android Auto app to your smartphone from the Google Play store.
There is no app required for Apple
CarPlay.
2. For first time connection, there are two ways to set up wireless projection:
.Connect your Android phone or Apple
iPhone by using the factory-provided
phone USB cable and plugging into a USB data port. For best performance,
it is highly recommended to use the
device’s factory-provided USB cable,
which should be replaced after
significant wear to maintain
connection quality. Aftermarket or
third-party cables may not work.
.Connecting the phone over Bluetooth.
See
Bluetooth (Pairing and Using a
Phone) 0181 or
Bluetooth (Overview) 0180.
3. Make sure wireless is turned on the phone for wireless projection to work.
4. When the phone is first connected to activate Apple CarPlay or Android Auto,
agree to the terms and conditions on
both the infotainment system and the
phone.
5. Follow the instructions on the phone.
The Android Auto and Apple CarPlay icons
on the Home Page will illuminate depending
on the smartphone. Android Auto and/or
Apple CarPlay may automatically launch
upon wireless connection. If not, touch the
Android Auto or Apple CarPlay icon on the
Home Page to launch.

GMC Sierra/Sierra Denali 1500 Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-14632426) - 2021 - CRC - 11/5/20
360 Vehicle Care
FusesUsage
F23 MISC R/C
F24 Instrument panel cluster ignition/Overhead
F25 Heating, ventilation, and air conditioning ignition/
Heating, ventilation, and
air conditioning auxiliary
F26 USB ports/Special equipment option retained
accessory power
F27 Accessory power outlet/ retained accessory power
F28 Accessory power outlet/ Battery
F30 Sensing and diagnostic module/Parking brake
F31 Body control module 4
F32 Special equipment option/ Data link connection
F33 Body control module 8
F34 Cargo lamp
F40 CGM F41 Infotainment 1 Fuses
Usage
F42 TCP
F43 –
F44 Active vibration management
F45 Body control module 2
F46 Heating, ventilation, and air conditioning/Battery 1
F47 Instrument panel cluster/ Battery
F48 Transmission control module
F49 Body control module 1 F50 –
F51 Battery 1
F52 Battery 2
F53 –
F54 Sunroof F55 Driver power seat
F56 DC DC TRANS 1 F57 DC DC TRANS 2
F58 Infotainment 2 Circuit
Breakers Usage
1 Accessory power outlet 2
2 Accessory power outlet 1/ Cigarette Lighter
3 Accessory power outlet 3
4 Accessory power outlet 4
Relays Usage
K1 Run/Crank
K2 Retained accessory power/ Accessory 1
K4 Retained accessory power/ Accessory 2
K5 –
Wheels and Tires
Tires
Every new GM vehicle has high-quality
tires made by a leading tire
manufacturer. See the warranty manual
for information regarding the tire

GMC Sierra/Sierra Denali 1500 Owner Manual (GMNA-Localizing-U.S./Cana-
da/Mexico-14632426) - 2021 - CRC - 11/5/20
Index 455
Mirrors (cont'd)Convex . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Folding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Heated . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Manual Rearview . . . . . . . . . . . . . . . . . . . . . . . 38
Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Tilt in Reverse . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Trailer Tow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Mirrors, Interior Rearview . . . . . . . . . . . . . . . . . 38
Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 251 Driver Control . . . . . . . . . . . . . . . . . . . . . . . . . 251
Monitor System, Tire Pressure . . . . . . . . . . . 368
Multi-band Antenna . . . . . . . . . . . . . . . . . . . . . .158
N
Navigation Connected Services . . . . . . . . . . . . . . . . . . . . 445
Destination . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167
Using the System . . . . . . . . . . . . . . . . . . . . . . 163
Navigation Symbols . . . . . . . . . . . . . . . . . . . . . 166
New Vehicle Break-In . . . . . . . . . . . . . . . . . . . . 228
O
Odometer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .110 Trip . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110
Off-Road . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 215
Driving . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 215
Recovery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 214 Oil
Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 330
Engine Oil Life System . . . . . . . . . . . . . . . . . 332
Engine Oil Pressure Gauge . . . . . . . . . . . . . . 111
Pressure Light . . . . . . . . . . . . . . . . . . . . . . . . . 122
Older Children, Restraints . . . . . . . . . . . . . . . . . . 71
Online Owner Center . . . . . . . . . . . . . . . . . . . . 430
OnStar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 439
OnStar Additional Information . . . . . . . . . . . 441
OnStar Emergency . . . . . . . . . . . . . . . . . . . . . . . 441
OnStar Overview . . . . . . . . . . . . . . . . . . . . . . . . . 440
OnStar Security . . . . . . . . . . . . . . . . . . . . . . . . . . 441
OnStar System . . . . . . . . . . . . . . . . . . . . . . 162, 173
Operating Mode Overheated Engine Protection . . . . . . . . . 340
Operation
Fog Lamps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143
Outlets Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
Overheated Engine Protection Operating Mode . . . . . . . . . . . . . . . . . . . . . . . 340
Overheating, Engine . . . . . . . . . . . . . . . . . . . . . 338
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149 Instrument Panel . . . . . . . . . . . . . . . . . . . . . . . . 4
P
ParkShifting Into . . . . . . . . . . . . . . . . . . . . . . . . . . . 236
Shifting Out of . . . . . . . . . . . . . . . . . . . . . . . . 237
Park Assist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 266
Parking
Brake and P (Park) MechanismCheck . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 347
Extended . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 238
Over Things That Burn . . . . . . . . . . . . . . . . . 237
Parking or Backing Assistance Systems . . . . . . . . . . . . . . . . . . . . 266
Passenger Airbag Status Indicator . . . . . . . . . 114
Passenger Compartment Air Filter . . . . . . . 209
Passenger Sensing System . . . . . . . . . . . . . . . . 66
Pedestrian Ahead Indicator . . . . . . . . . . . . . . . 119
Perchlorate Materials Requirements, California . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 322
Personalization
Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
Phone Apple CarPlay and Android Auto . . . . . . . 185
Bluetooth . . . . . . . . . . . . . . . . . . . . . . . . . . 180, 181
Pickup Conversion to Chassis Cab . . . . . . . . 320
Port
USB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 158
Positioning Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 174

GMC Sierra/Sierra Denali 1500 Owner Manual (GMNA-Localizing-U.S./Cana-
da/Mexico-14632426) - 2021 - CRC - 11/5/20
Index 459
Turn and Lane-Change Signals . . . . . . . . . . . .143
Turn SignalBulb Replacement . . . . . . . . . . . . . . . . . . . . . . 351
U
Underseat Storage . . . . . . . . . . . . . . . . . . . . . . . . 96
Uniform Tire Quality Grading . . . . . . . . . . . . 377
Universal Remote System . . . . . . . . . . . . . . . . 136Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138
Programming . . . . . . . . . . . . . . . . . . . . . . . . . . 136
Updates Map Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175
Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155
USB Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .158
Using the Navigation System . . . . . . . . . . . . 163
Using the System . . . . . . . . . . . . . . . . . . . . . . . . . 152
Using This Manual . . . . . . . . . . . . . . . . . . . . . . . . . .2
V
Vehicle Alarm System . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Canadian Owners . . . . . . . . . . . . . . . . . . . . . . . . 2
Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213
Identification Number (VIN) . . . . . . . . . . . . 423
Load Limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . 222
Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130
Personalization . . . . . . . . . . . . . . . . . . . . . . . . . 131
Remote Start . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 Vehicle (cont'd)
Speed Messages . . . . . . . . . . . . . . . . . . . . . . . . 131
Towing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 394
Vehicle Ahead Indicator . . . . . . . . . . . . . . . . . . . 119
Vehicle Care Tire Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . 367
Vehicle Data Recording and Privacy . . . . . . 437
Vehicle Positioning . . . . . . . . . . . . . . . . . . . . . . .174
Vehicle Security
Steering Column Lock . . . . . . . . . . . . . . . . . . . 32
Ventilation, Air . . . . . . . . . . . . . . . . . . . . . . . . . . 209
Visors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Voice Recognition . . . . . . . . . . . . . . . . . . . . . . . . . 175
Voltmeter Gauge . . . . . . . . . . . . . . . . . . . . . . . . . 113
W
Warning Brake System Light . . . . . . . . . . . . . . . . . . . . . 117
Caution and Danger . . . . . . . . . . . . . . . . . . . . . 2
Warning Lights, Gauges, and Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106
Warnings
Hazard Flashers . . . . . . . . . . . . . . . . . . . . . . . . 142
Washer Fluid . . . . . . . . . . . . . . . . . . . . . . . . . . . . 340
Wheels Alignment and Tire Balance . . . . . . . . . . . . 378
Different Size . . . . . . . . . . . . . . . . . . . . . . . . . . 377
Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . 378 When It Is Time for New Tires . . . . . . . . . . . 375
Where to Put the Restraint . . . . . . . . . . . . . . . 76
Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Rear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Windshield
Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . 348
Wiper/Washer . . . . . . . . . . . . . . . . . . . . . . . . . 101
Winter Driving . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 220
Winter Tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 361
Wiper Blade Replacement . . . . . . . . . . . . . . . . 348
Wireless Charging . . . . . . . . . . . . . . . . . . . . . . . 103