2018 GMC SIERRA change time

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.

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-11349177) - 2018 - CRC - 10/17/17
218 Infotainment System
Android Auto is provided by
Google and is subject to Google’s
terms and privacy policy. Apple
CarPlay is provided by Apple and is
subject to Apple’ s terms and privacy
policy. Data plan rates apply.
For Android Auto support see
https://support.google.com/
androidauto. For Apple CarPlay
support see www.apple.com/ios/
carplay/. Apple or Google may
change or suspend availability at
any time. Android Auto, Android,
Google, Google Play, and other
marks are trademarks of Google
Inc.; Apple CarPlay is a trademark
of Apple Inc.Trademarks and
License Agreements
FCC Information
See Radio Frequency Statement
0 475.
"Made for iPod" and "Made for
iPhone" mean that an electronic
accessory has been designed to
connect specifically to iPod or
iPhone and has been certified by
the developer to meet Apple
performance standards. Apple is not
responsible for the operation of this
device or its compliance with safety
and regulatory standards. Please
note that the use of this accessory
with iPod or iPhone may affect
wireless performance. iPhone, iPod,
iPod classic, iPod nano, iPod shuffle, and iPod touch are
trademarks of Apple Inc., registered
in the U.S. and other countries.
Fees and Taxes: Subscription fee,
taxes, one time activation fee, and
other fees may apply. Subscription
fee is consumer only. All fees and
programming subject to change.
Subscriptions subject to Customer
Agreement available at
www.siriusxm.com. SiriusXM
service only available in the
48 contiguous United States and
Canada.
In Canada: Some deterioration of
service may occur in extreme
northern latitudes. This is beyond
the control of SiriusXM Satellite
Radio.

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-11349177) - 2018 - CRC - 10/17/17
256 Driving and Operating
Caution (Continued)
premature wear and earlier
replacement. Follow this
breaking-in guideline every
time you get new brake
linings.
. Do not tow a trailer during
break-in. See Trailer Towing
0 307 for the trailer towing
capabilities of the vehicle
and more information.
Following break-in, engine speed
and load can be gradually
increased.
Adjustable Throttle and
Brake Pedal
If equipped, the position of the
throttle and brake pedals can be
changed.
The pedals can only be adjusted
when the vehicle is in P (Park).
The switch used to adjust the
pedals is on the center stack, below
the climate controls.
Lift the switch up to move the
pedals closer to your body. Press
the switch down to move the
pedals away.
Before you start driving, fully press
the brake pedal to confirm the
adjustment is right for you.
The vehicle may have a memory
function, which lets pedal settings
be saved and recalled. See Memory
Seats 062.
Ignition Positions
Vehicles with Key Access have an
ignition switch with four different
positions.
To shift out of P (Park), the ignition
must be in ON/RUN or ACC/
ACCESSORY and the regular brake
pedal must be applied.
0 (STOPPING THE ENGINE/LOCK/
OFF) : When the vehicle is stopped,
turn the ignition switch to LOCK/
OFF to turn the engine off. Retained
Accessory Power (RAP) will remain
active. See Retained Accessory
Power (RAP) 0260.

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-11349177) - 2018 - CRC - 10/17/17
258 Driving and Operating
The switch stays in this position
when the engine is running. The
transmission is also unlocked in this
position.
If the key is left in the ACC/
ACCESSORY or ON/RUN position
with the engine off, the battery could
be drained. The vehicle may not
start if the battery is allowed to drain
for an extended period of time.
3 (START) :This is the position that
starts the engine. When the engine
starts, release the key. The ignition
switch returns to ON/RUN for
driving.
A warning tone will sound when the
driver door is opened and the
ignition is in ACC/ACCESSORY or
LOCK/OFF, and the key is in the
ignition.
Starting the Engine
If the vehicle has a diesel engine,
see the Duramax diesel
supplement.
For an eAssist vehicle, see the
Silverado/Sierra eAssist
supplement.
Caution
If you add electrical parts or
accessories, you could change
the way the engine operates. Any
resulting damage would not be
covered by the vehicle warranty.
See Add-On Electrical Equipment
0 336.
Caution
If the steering wheel is turned
until it reaches the end of its
travel, and is held in that position
while starting the vehicle, damage
may occur to the power steering
system and there may be loss of
power steering assist.
Move the shift lever to P (Park) or
N (Neutral). To restart the engine
when the vehicle is already moving,
use N (Neutral) only.
Caution
Do not try to shift to P (Park) if the
vehicle is moving. If you do, you
could damage the transmission.
Shift to P (Park) only when the
vehicle is stopped.
Starting Procedure
1. Turn the ignition key to START. When the engine starts, let go
of the key. The idle speed will
go down as the engine gets
warm. Do not race the engine
immediately after starting it.
Operate the engine and
transmission gently to allow the
oil to warm up and lubricate all
moving parts.
When the low fuel warning light
is on and the FUEL LEVEL
LOW message is displayed in
the Driver Information Center
(DIC), hold the ignition switch
in the START position to
continue engine cranking.

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-11349177) - 2018 - CRC - 10/17/17
268 Driving and Operating
temperature changes. During this
adaptive shift control process,
shifting might feel different as the
transmission determines the best
settings.
When temperatures are very cold,
the transmission's gear shifting
could be delayed providing more
stable shifts until the engine warms
up. Shifts could be more noticeable
with a cold transmission. This
difference in shifting is normal.
L :This position allows selection of
a range of gears appropriate for
current driving conditions.
If equipped, see “Range Selection
Mode” underManual Mode 0268.
Caution
Spinning the tires or holding the
vehicle in one place on a hill
using only the accelerator pedal
may damage the transmission.
The repair will not be covered by
the vehicle warranty. If the vehicle
is stuck, do not spin the tires.
(Continued)
Caution (Continued)
When stopping on a hill, use the
brakes to hold the vehicle in
place.
Normal Mode Grade Braking
If equipped with a gasoline engine
and an automatic transmission,
Normal Mode Grade Braking is
enabled when the vehicle is started,
but is not enabled in Range
Selection Mode. It assists in
maintaining desired vehicle speeds
when driving on downhill grades by
using the engine and transmission
to slow the vehicle. The first time
the system engages for each
ignition key cycle, a DIC message
will be displayed.
To disable or enable Normal Mode
Grade Braking within the current
ignition key cycle, press and hold
the Tow/Haul button for
five seconds. When the button is
released, the requested mode
change is made. A DIC message
displays. For other forms of grade braking,
see
Tow/Haul Mode 0271 and
Cruise Control 0285.
Kickdown Mode
If equipped, the accelerator pedal
provides an additional downshift
after pressing through the kickdown
feature.
It requires extra pedal pressure near
the end of its travel to engage.
Manual Mode
Range Selection Mode
If equipped, Range Selection Mode
helps control the vehicle's
transmission and vehicle speed
while driving downhill or towing a
trailer by letting you select a desired
range of gears.