change time GMC SIERRA 2018 User Guide

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-11349177) - 2018 - CRC - 10/17/17
176 Lighting
Lighting
Exterior Lighting
Exterior Lamp Controls . . . . . . . 176
Exterior Lamps OffReminder . . . . . . . . . . . . . . . . . . . 178
Headlamp High/Low-Beam Changer . . . . . . . . . . . . . . . . . . . . 179
Flash-to-Pass . . . . . . . . . . . . . . . . 179
Daytime Running Lamps (DRL) . . . . . . . . . . . . . . . 179
Automatic Headlamp System . . . . . . . . . . . . . . . . . . . . . . 179
Hazard Warning Flashers . . . . . 180
Turn and Lane-Change Signals . . . . . . . . . . . . . . . . . . . . . . 181
Fog Lamps . . . . . . . . . . . . . . . . . . . 181
Auxiliary Roof-Mounted Lamp . . . . . . . . 182
Interior Lighting
Instrument Panel IlluminationControl . . . . . . . . . . . . . . . . . . . . . . 182
Cargo Lamp . . . . . . . . . . . . . . . . . . 183
Dome Lamps . . . . . . . . . . . . . . . . . 183
Reading Lamps . . . . . . . . . . . . . . 183
Lighting Features
Entry Lighting . . . . . . . . . . . . . . . . 184
Exit Lighting . . . . . . . . . . . . . . . . . . 184
Battery Load Management . . . 184
Battery Power Protection . . . . . 185
Exterior Lighting Battery Saver . . . . . . . . . . . . . . . . . . . . . . . 185Exterior Lighting
Exterior Lamp Controls
The exterior lamp control is on the
instrument panel to the left of the
steering wheel.
O(Off) : Turns off the automatic
headlamps and Daytime Running
Lamps (DRL). Turn the headlamp
control to the off position again to
turn the automatic headlamps or
DRL back on.
For vehicles first sold in Canada, off
will only work when the vehicle is in
P (Park).

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-11349177) - 2018 - CRC - 10/17/17
Lighting 177
AUTO (Automatic) :Automatically
turns on the headlamps, parking
lamps, taillamps, instrument panel
lights, roof marker lamps (if
equipped), front/rear sidemarker
lamps, and license plate lamps.
When the vehicle is turned off and
the headlamps are in AUTO, the
headlamps turn off. When the key is
removed, they automatically turn on
for a set time. The time of the delay
can be changed using the DIC.
See Driver Information Center (DIC)
(Uplevel and Denali Cluster) 0160
or Driver Information Center (DIC)
(Base Level Cluster) 0158.
;(Parking Lamps) : Turns on the
parking lamps including all lamps,
except the headlamps.
For some trim levels and series of
trucks first sold in Canada, the
headlamps will turn on with the
parking lamps.
2(Headlamps) : Turns on the
headlamps together with the parking
lamps and instrument panel lights. When the headlamps are turned on
while the vehicle is on, the
headlamps turn off automatically
10 minutes after the ignition is
turned off. When the headlamps are
turned on while the vehicle is off,
the headlamps will stay on for
10 minutes before turning off to
prevent the battery from being
drained. Turn the headlamp control
off and then back to the headlamp
on position to make the headlamps
stay on for an additional 10 minutes.
To keep the lamps on for more than
10 minutes, the ignition must be in
the ACC/ACCESSORY or ON/RUN
position.
#(Fog Lamps) (If Equipped) :
Turns on the fog lamps. See Fog
Lamps 0181.
IntelliBeam®System
If equipped, this system turns the
vehicle's high-beam headlamps on
and off according to surrounding
traffic conditions. The system turns the high-beam
headlamps on when it is dark
enough and there is no other traffic
present.
This light comes on in the
instrument cluster when the
IntelliBeam system is enabled.
Turning On and Enabling
IntelliBeam
To enable the IntelliBeam system,
with the turn signal lever in the
neutral position, turn the exterior
lamp control to AUTO. The blue
high-beam on light appears on the
instrument cluster when the high
beams are on.
Driving with IntelliBeam
The system only activates the high
beams when driving over 40 km/h
(25 mph).

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-11349177) - 2018 - CRC - 10/17/17
Lighting 179
Headlamp High/
Low-Beam Changer
Push the turn signal lever toward
the instrument panel to change the
headlamps from low to high beam.
Pull the turn signal lever toward you
and release it to return to low-beam
headlamps.
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.

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-11349177) - 2018 - CRC - 10/17/17
180 Lighting
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.
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 controlis in the full bright position. See
Instrument Panel Illumination
Control
0182.
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 toOor 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.

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-11349177) - 2018 - CRC - 10/17/17
Lighting 181
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
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. See
Fuses and Circuit
Breakers 0381.
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.

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-11349177) - 2018 - CRC - 10/17/17
184 Lighting
Pressmornnext to each reading
lamp to turn it on or off.
Lighting Features
Entry Lighting
Some exterior lamps and the interior
lamps turn on briefly at night, or in
areas with limited lighting, when
K
is pressed on the Remote Keyless
Entry (RKE) transmitter. When a
door is opened, the interior lamps
come on if the dome lamp control is
in the DOOR position. After about
30 seconds the exterior lamps turn
off. Entry lighting can be disabled
manually by changing the ignition
out of the OFF position, or by
pressing the RKE transmitter
Q
button.
This feature can be changed. See
“Vehicle Locator Lights” under
Vehicle Personalization 0165.
Exit Lighting
Some exterior lamps and the interior
lamps come on at night, or in areas
with limited lighting when the key is
removed from the ignition. The
exterior and interior lamps remain on for a set amount of time and then
automatically turn off. The interior
lamps do not come on if the dome
lamp control is in the Off position.
The exterior lamps turn off
immediately by turning the exterior
lamps control off.
This feature can be changed. See
Vehicle Personalization
0165.
Battery Load
Management
The vehicle has Electric Power
Management (EPM), which
estimates the battery's temperature
and state of charge. It then adjusts
the voltage for best performance
and extended life of the battery.
When the battery's state of charge
is low, the voltage is raised slightly
to quickly bring the charge back up.
When the state of charge is high,
the voltage is lowered slightly to
prevent overcharging. The voltmeter
gauge or the voltage display on the
Driver Information Center (DIC),
if equipped, may show the voltage

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
jto pause.
. Touch
rto resume. Changing to Next/Previous Files
.
Touch
lto change to the
next file.
. Touch
gwithin five seconds of
the playback time to play the
previous file.
Returning to the Beginning of the
Current File
Touch
gafter five seconds of the
playback time.
Scanning Forward or Backward
Touch and hold
gorlduring
playback to rewind or fast forward.
Release the button to resume
playback at normal speed.
Playing a File Randomly
Touch
Zduring 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 213
Bluetooth (Infotainment
Controls)
To use infotainment controls to
access the menu system, see
Overview0188.
Pairing
A Bluetooth-enabled cell phone
must be paired to the Bluetooth
system and then connected to the
vehicle before it can be used. See
your cell phone manufacturer's user
guide for Bluetooth functions before
pairing the cell phone. If a Bluetooth
phone is not connected, calls will be
made using OnStar Hands-Free
Calling, if available. See OnStar
Overview 0479.
Pairing Information
. A Bluetooth phone with MP3
capability cannot be paired to
the vehicle as a phone and an
MP3 player at the same time.
. Up to 10 cell phones can be
paired to the Bluetooth system. .
The pairing process is disabled
when the vehicle is moving.
. Pairing only needs to be
completed once, unless the
pairing information on the cell
phone changes or the cell phone
is deleted from the system.
. Only one paired cell phone can
be connected to the Bluetooth
system at a time.
. If multiple paired cell phones are
within range of the system, the
system connects to the first
available paired cell phone in the
order that they were first paired
to the system.
When the Bluetooth device and
infotainment system are
successfully paired, the phone book
is downloaded automatically. This is
dependent on the type of the phone
paired. If the automatic download
does not occur, proceed with the
phone book download on the
phone. Pairing a Phone - SSP and No
Paired Device
When there is no paired device on
the infotainment system and Simple
Secure Pairing (SSP) is supported:
1. Press
{.
2. Touch PHONE, press
#on the
center stack, or press
gon the
steering wheel without OnStar.
3. Touch Search Device.
4. Touch the desired device to pair on the searched list
screen.
5. Touch Yes on the pop-up screen of the Bluetooth device
and infotainment system.
6. When the Bluetooth device and infotainment system are
successfully paired, the phone
screen is displayed on the
infotainment system.

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-11349177) - 2018 - CRC - 10/17/17
216 Infotainment System
versions over 1.2 must be
registered and connected to the
product.
. From the cell phone or Bluetooth
device, find the Bluetooth device
type to set/connect the item as a
stereo headset.
.
ewill appear on the screen if
the stereo headset is
successfully connected.
. The sound played by the
Bluetooth device is delivered
through the infotainment system.
. Bluetooth music can be played
only when a Bluetooth device
has been connected. To play
Bluetooth music, connect the
Bluetooth phone to the
infotainment system.
. If the Bluetooth device is
disconnected while playing
phone music, the music is
discontinued. The audio
streaming function may not be
supported in some Bluetooth
phones. Only one function can
be used at a time between the
Bluetooth hands-free or Phone music function. For example,
if you convert to Bluetooth
hands-free while playing Phone
music, the music is
discontinued. Playing music from
the vehicle is not possible when
there are no music files stored in
the cell phone.
Playing Bluetooth Music
1. Press
{.
2. Touch AUDIO.
3. Touch Source.
4. Touch Bluetooth.
Pause
Touch
jto pause.
Touch
rto resume.
Playing the Next Song
Touch
l.
Playing the Previous Song
Touch
gwithin two seconds of
playback time to play the
previous song. Returning to the Beginning of the
Current Song
Touch
gafter two seconds of
playback time.
Search
Touch and hold
gorlto rewind
or fast forward.
Playing Music Randomly
Touch
Zduring playback. Touch
again to return to normal play.
This function may not be supported
depending on the Bluetooth device.
Do not change the track too quickly
when playing Bluetooth music.
Conditions that may occur when
playing Bluetooth music:
. It takes time to transmit data
from the Bluetooth device to the
infotainment system.
. If the cell phone or Bluetooth
device is not in the waiting
screen mode, it may not
automatically play.

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.