
GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-9955992) - 2017 - crc - 4/18/17
Lighting 181
When the high-beam headlamps are
on, this indicator light on the
instrument cluster will also be on.
Flash-to-Pass
This feature lets you use the
high-beam headlamps to signal a
driver in front of you that you want
to pass. It works even if the
headlamps are in the automatic
position.
To use it, pull the turn signal lever
toward you, then release it.
If the headlamps are in the
automatic position or on low beam,
the high-beam headlamps will turn
on. Depending on the type of
headlamp, they will either turn off
after a short duration or stay on as
long as you hold the lever toward
you. The high-beam indicator on the
instrument cluster will come on.
Release the lever to return to
normal operation.
Daytime Running
Lamps (DRL)
DRL can make it easier for others to
see the front of the vehicle during
the day. Fully functional DRL are
required on all vehicles first sold in
Canada.
The DRL system comes on when
the following conditions are met:
.The ignition is on.
. The exterior lamp control is
in AUTO.
. The transmission is not in
P (Park).
. The light sensor determines it is
daytime.
When the DRL system is on, only
the DRL are on. The taillamps,
sidemarker lamps, instrument panel
lights, and other lamps will not
be on.
When it begins to get dark, the
automatic headlamp system
switches from DRL to the
headlamps. To turn off the DRL, turn the exterior
lamp control to
Oand then release.
For vehicles first sold in Canada, off
will only work when the vehicle is
parked.
Automatic Headlamp
System
When the exterior lamp control is
set to AUTO and it is dark enough
outside, the headlamps come on
automatically.
There is a light sensor on top of the
instrument panel. Do not cover the
sensor, otherwise the headlamps
will come on when they are not
needed.

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-9955992) - 2017 - crc - 4/18/17
182 Lighting
The system may also turn on the
headlamps when driving through a
parking garage or tunnel.
If the vehicle is started in a dark
garage, the automatic headlamp
system comes on immediately. If it
is light outside when the vehicle
leaves the garage, there is a slight
delay before the automatic
headlamp system changes to the
DRL. During that delay, the
instrument cluster may not be as
bright as usual. Make sure the
instrument panel brightness control
is in the full bright position. See
Instrument Panel Illumination
Control0184.
When it is bright enough outside,
the headlamps will turn off or may
change to Daytime Running
Lamps (DRL).
The automatic headlamp system
turns off when the exterior lamp
control is turned to
Oor the ignition
is off.
Lights On with Wipers
If the windshield wipers are
activated in daylight with the engine
on, and the exterior lamp control is
in AUTO, the headlamps, parking
lamps, and other exterior lamps
come on. The transition time for the
lamps coming on varies based on
wiper speed. When the wipers are
not operating, these lamps turn off.
Move the exterior lamp control to
O
or;to disable this feature.
Hazard Warning Flashers
|: Press this button to make the
front and rear turn signal lamps
flash on and off. Press again to turn
the flashers off.
When the hazard warning flashers
are on, the vehicle's turn signals will
not work.
Turn and Lane-Change
Signals
An arrow on the instrument cluster
flashes in the direction of the turn or
lane change.
Move the turn signal lever all the
way up or down to signal a turn.
Raise or lower the lever for less
than one second until the arrow
starts to flash to signal a lane

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-9955992) - 2017 - crc - 4/18/17
Lighting 183
change. This causes the turn
signals to automatically flash three
times. It will flash six times if Tow/
Haul Mode is active. Holding the
turn signal lever for more than
one second will cause the turn
signals to flash until the lever is
released.
The lever returns to its starting
position whenever it is released.
If after signaling a turn or a lane
change the arrows flash rapidly or
do not come on, a signal bulb could
be burned out. If equipped with LED
turn signals, see your dealer.
Replace any burned out bulbs. If a
bulb is not burned out, check the
fuse. SeeFuses0393.
Turn Signal On Chime
If the turn signal is left on for more
than 1.2 km (0.75 mi), a chime
sounds at each flash of the turn
signal. The message TURN
SIGNAL ON will also appear in the
Driver Information Center (DIC). To
turn the chime and message off,
move the turn signal lever to the off
position.Fog Lamps
If equipped, the control is on the
center of the exterior lamp control,
to the left of the steering column.
The ignition must be in the ON/RUN
position for the fog lamps to
come on.
#(Fog Lamps) : Press to turn the
fog lamps on or off. A light will come
on in the instrument cluster.
When the fog lamps are turned on,
the parking lamps automatically
turn on.
When the headlamps are changed
to high beam, the fog lamps go off.
When the high-beam headlamps are
turned off, the fog lamps will come
on again. Some localities have laws that
require the headlamps to be on with
the fog lamps.
Auxiliary
Roof-Mounted Lamp
If equipped, this button includes
wiring provisions for a dealer or a
qualified service center to install an
auxiliary roof lamp.
This button is on the overhead
console.
When the wiring is connected to an
auxiliary roof-mounted lamp,
pressing the bottom of the button
will activate the lamp and illuminate
an indicator light at the bottom of

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
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Infotainment System 189
The infotainment system has built-in
features intended to help avoid
distraction by disabling some
functions when driving. These
functions may gray out when they
are unavailable. Many infotainment
features are also available through
the instrument cluster and steering
wheel controls.
Before driving:
.Become familiar with the
operation, center stack controls,
and infotainment display
controls.
. Set up the audio by presetting
favorite stations, setting the
tone, and adjusting the
speakers.
. Set up phone numbers in
advance so they can be called
easily by pressing a single
control or by using a single voice
command if equipped with
Bluetooth phone capability.
See Defensive Driving 0254.
To play the infotainment system with
the ignition off, see Retained
Accessory Power (RAP) 0277.Theft-Deterrent Feature
TheftLock is designed to discourage
theft of the vehicle's radio by
learning a portion of the Vehicle
Identification Number (VIN). The
radio does not operate if it is stolen
or moved to a different vehicle.
Overview (Base Radio)
Infotainment System Overview
The infotainment system is
controlled by using the buttons on
the faceplate and steering wheel
controls, if equipped. See Steering
Wheel Controls 0125.

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
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194 Infotainment System
4.6
.Radio: Press and release to
go to the next station or
channel. Press and hold to
fast seek the next strongest
station or channel.
. USB/Bluetooth Music/
Pictures: Press and hold to
go to the next content.
Press and hold to fast
forward.
5.
#
. Press and release to
access the phone screen,
answer an incoming call,
or access the device home
screen. Press and hold to
access Press to Talk.
Home Page (Base Radio)
Home Page Features
The infotainment system displays a
Home Page that makes it easy to
access all of the applications. Turn
the MENU knob to highlight feature
icons. Press the MENU knob to
access the feature’s options. Various functions are disabled when
the vehicle is moving.
AUDIO :
Select the AUDIO screen
icon to display the active source
page. The sources available are
AM, FM, SiriusXM
®(if equipped),
USB/iPod, AUX Input, and Bluetooth
Audio (if equipped).
See AM-FM Radio (Base Radio with
Touchscreen) 0199 orAM-FM
Radio (Base Radio) 0197, Satellite
Radio (Base Radio) 0200 or
Satellite Radio (Base Radio with
Touchscreen) 0201, , Auxiliary Jack
0 214, and Bluetooth Audio 0215.
PHONE : Select the PHONE screen
icon to display the Phone main
page.
See Bluetooth (Voice Recognition -
Base Radio) 0228 orBluetooth
(Infotainment Controls - Base
Radio) 0224 orBluetooth
(Overview) 0222 orBluetooth
(Infotainment Controls - Base Radio
with Touchscreen) 0233. NAV (Navigation, If Equipped) :
Select the NAV screen icon to
display the OnStar Turn-by-Turn
Navigation. See
OnStar Overview
0 488, if equipped.
SETTINGS : Select the SETTINGS
screen icon to display the Settings
main page. See “Setting Radio
Preferences” following.
Setting Radio Preferences
Select the SETTINGS screen icon
to display the Settings menu and
the following may display:
Time and Date : SeeClock 0127.
Language (Current Language) :
This will set the display language in
the radio and instrument cluster.
Select to display a list of languages.
Select
oBACK to go back to the
previous menu.
Valet Mode:
Using the circular numeric keypad,
enter a four-digit code:
1. Turn the MENU knob to highlight a number.

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-9955992) - 2017 - crc - 4/18/17
196 Infotainment System
Return to Factory Settings
Select Return to Factory Settings
and the following may display:
Restore Vehicle Settings :This
option will restore factory vehicle
personalization settings. Select
Restore Vehicle Settings. A screen
displays stating all vehicle
customization settings will be
restored to the factory settings.
Select Cancel or Confirm.
Clear All Private Data (If
Equipped) : This option clears all
private information from the vehicle.
Select Clear All Private Data. Select
Cancel or Confirm.
Restore Radio Settings : This
option will restore factory radio
settings. Select Restore Radio
Settings. A screen displays stating
all personalized radio settings will
be restored back to the factory
settings. Select Cancel or Confirm.English and Metric Unit
Conversion
To change the display units between
English and metric units, see Driver
Information Center (DIC) (Base
Level Cluster) 0152 orDriver
Information Center (DIC) (Uplevel
and Denali Cluster) 0154 or
Instrument Cluster 0132.
Home Page (Base Radio
with Touchscreen)
Touchscreen Buttons
Touchscreen buttons show on the
screen when available. When a
function is unavailable, the button
may gray out. When a function is
selected, the button may highlight.
Home Page Features
Press{to go to the Home Page.
Audio : Touch to select AM, FM,
SiriusXM
®(if equipped), USB/iPod/
Bluetooth Audio, or AUX.
Gallery : Touch to view a picture or
movie.
Phone : Touch to activate the
phone features (if equipped).
See Bluetooth (Voice Recognition -
Base Radio) 0228 orBluetooth
(Infotainment Controls - Base
Radio) 0224 orBluetooth
(Overview) 0222 orBluetooth
(Infotainment Controls - Base Radio
with Touchscreen) 0233.

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
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Infotainment System 217
destination entry and voice keypad,
can be completed in a single
command. If the task takes more
than one command to complete, the
first command would be to indicate
the kind of task that is to be
performed. The system replies with
prompts that lead through a dialog
to enter the necessary information.
Voice recognition can be used when
the ignition is on or when Retained
Accessory Power (RAP) is active.
SeeRetained Accessory Power
(RAP) 0277.
Using Voice Recognition
Voice recognition becomes available
once the system has been
initialized. This begins when the
ignition is turned on. Initialization
may take a few moments.
1. Press
gon the steering wheel
control to activate voice
recognition, or select
gon the
infotainment screen on the
center stack.
. If voice recognition is
started from the steering
wheel control, the instrument cluster displays
the selections and visual
dialog content.
. If voice recognition is
started from the
infotainment screen, the
selections and visual dialog
content are displayed on
both the center stack
display and the instrument
cluster display.
2. The audio system mutes and the system plays a prompt
followed by a beep.
3. Wait until after the beep completes, then clearly speak
one of the commands
described in this section.
Press
gto interrupt any voice
recognition system prompt. For
example, if the prompt seems
to be taking too long to finish,
press
gagain and the beep
should happen right away.
There are two voice prompt modes
supported: .
Long verbal prompts: The longer
prompts provide more
information regarding the
supported actions.
. Short prompts: The short
prompts provide simple
instructions about what can be
stated.
If a command is not spoken, the
voice recognition system says a
help prompt.
Prompts and Screen Displays
While a voice recognition session is
active, there will be corresponding
buttons on screens displayed.
Manual interaction in the voice
recognition session is permitted.
Interaction during a voice session
may be completed entirely using
voice commands, or some
selections may expedite a session.
If a selection is made using a
manual control, the dialog will
progress in the same way as if the
selection was made through a voice
command. Once the system is able
to complete the task, or the session
is terminated, the voice recognition
dialog stops.

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
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Infotainment System 219
If the phone number has been
saved with a name and a place, the
direct command should include
both, for example“Call Dave Smith
at work.”
Using Voice Recognition for
List Options
When a list is displayed, a voice
prompt will ask to confirm or select
an option from that list. A selection
can be made by manually selecting
the item, or by speaking the line
number for the item to select.
When a screen contains a list,
options may be available but not
displayed. The list on a voice
recognition screen functions the
same as a list on other screens.
Scrolling can be used to help
display other entries from the list.
Manually scrolling or paging the list
on a screen during a voice
recognition session suspends the
current voice recognition event and
plays the prompt “Make your
selection from the list using the
manual controls or press the Back
button to try again.” If manual selection takes more than
15 seconds, the session terminates
and prompts that it has timed out.
The screen returns back to the
screen where voice recognition was
initiated.
The Back Command
Say
“Back” or press the Back button
to go to the previous screen.
If in voice recognition, and “Back”is
stated all the way through to the
initial screen, then “Back”is stated
one more time, the voice recognition
session will cancel.
Help
Say “Help” on any voice recognition
screen and the help prompt for the
screen is played. Additionally, a
pop-up displays a text version of the
help prompt. Depending on how
voice recognition was initiated, the
Help pop-up will either display on
the instrument cluster or the
infotainment screen. Press the
Dismiss button to make the pop-up
go away. Pressing
gwhile the help prompt is
playing will terminate the prompt
and a beep will be heard. Doing this
will stop the help prompt so that a
voice command can be used.
Voice Recognition for the
Radio
Select thegscreen button to
launch audio voice recognition.
If the voice button is pressed in a
radio screen, the voice commands
for radio and media features are
available.
“Switch to AM” :Switch bands to
AM and tune to the last AM radio
station.
“Switch to FM” :Switch bands to
FM and tune to the last FM radio
station.
“Switch to SXM” :Switch bands to
SiriusXM (if equipped) and tune to
the last SiriusXM channel.
“Tune to
Tune to the radio station whose
frequency is identified in the
command (like “nine fifty”).