2017 GMC SIERRA 1500 ECO mode

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-9955992) - 2017 - crc - 5/3/16
170 Lighting
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
Control0172.
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
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.

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-9955992) - 2017 - crc - 5/3/16
Infotainment System 201
.Touchgwithin two seconds of
the playback time to play the
previous file.
Returning to the Beginning of the
Current File
Touch
gafter two 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 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” under“Base
Radio with Touchscreen” in
AM-FM Radio (Base Radio with
Touchscreen) 0186 orAM-FM
Radio (Base Radio) 0184.
Auto Volume
. Touch Auto Volume. The Auto
Volume menu is displayed. See
“Auto Volume” under“Base
Radio with Touchscreen” in
AM-FM Radio (Base Radio with
Touchscreen) 0186 orAM-FM
Radio (Base Radio) 0184.
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
zfrom the picture
screen.
2. Touch the screen to cancel the slide show during the slide
show playback.

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-9955992) - 2017 - crc - 5/3/16
Infotainment System 205
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.
An example of this type of manual
intervention is pressing on an entry
of a displayed number list instead of
speaking the number associated
with the entry desired.
Canceling Voice Recognition
.
Press the Home screen button
to terminate the voice
recognition session which was
initiated by pressing
gon the
infotainment screen on the
center stack.
. Press or say “Cancel”or“Exit” to
terminate the voice recognition
session and display the screen
from which voice recognition
was initiated.
. Press
ion the steering wheel
controls to terminate the voice
session and display the screen
from which voice recognition
was initiated.

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-9955992) - 2017 - crc - 5/3/16
210 Infotainment System
Voice Recognition for OnStar
(If Equipped)
“OnStar”:Begin OnStar Voice
Recognition.
Bluetooth Speech Recognition
(If Equipped)
Voice Pass-Thru allows access to
the speech recognition commands
on the cell phone. See your cell
phone manufacturer ’s user guide to
see if the cell phone supports this
feature.
Activating this function will start the
Bluetooth Speech Recognition on a
connected phone.
The steering wheel controls are
used to operate this function.
Press and hold
gto activate.
A voice session begins so that voice
commands can be given to Siri
®or
many other controls provided by the
cell phone.
Press
@to exit or pressito
close and return to the previous
application prior to the start of Voice
Pass-Thru.
Phone
Bluetooth (Overview)
Instructions for using the cell phone
may differ between infotainment
systems. The base radio and base
radio with touchscreen instructions
are included in this manual. See the
infotainment manual for instructions
on the uplevel radios.
Bluetooth-capable systems can
interact with many cell phones,
allowing:
. Placement and receipt of calls in
a hands-free mode.
. Sharing of the cell phone’s
address book or contact list with
the vehicle.
To minimize driver distraction,
before driving, and with the vehicle
parked:
. Become familiar with the
features of the cell phone.
Organize the phone book and
contact lists clearly and delete duplicate or rarely used entries.
If possible, program speed dial
or other shortcuts.
. Review the controls and
operation of the infotainment
system.
. Pair cell phone(s) to the vehicle.
The system may not work with
all cell phones. See “Pairing”in
this section.
. If the cell phone has voice
dialing capability, learn to use
that feature to access the
address book or contact list.
. See “Deleting a Paired Phone”
and/or “Deleting a Bluetooth
Device” in this section.
{Warning
When using a cell phone, it can
be distracting to look too long or
too often at the screen of the
phone or the infotainment system.
Taking your eyes off the road too
long or too often could cause a
crash resulting in injury or death.
Focus your attention on driving.

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-9955992) - 2017 - crc - 5/3/16
224 Infotainment System
Playing Bluetooth Music1. 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.
. 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, a
PROJECTION icon will appear on
the Home Page of the infotainment
display.
To use Android Auto and/or Apple
CarPlay:
1. Download the Android Auto app to your phone from the
Google™ Play store. There is
no app required for Apple
CarPlay.

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-9955992) - 2017 - crc - 5/3/16
Climate Controls 231
Climate Controls
Climate Control Systems
Dual Automatic ClimateControl System . . . . . . . . . . . . . 231
Air Vents
Air Vents . . . . . . . . . . . . . . . . . . . . . 234
Maintenance
Passenger Compartment AirFilter . . . . . . . . . . . . . . . . . . . . . . . . 235
Service . . . . . . . . . . . . . . . . . . . . . . . 236
Climate Control Systems
Dual Automatic Climate Control System
With this system the heating, cooling, and ventilation in the vehicle can be
controlled.
For an eAssist vehicle, see the Silverado/Sierra eAssist supplement.
1. Driver Temperature Control
2. A/C (Air Conditioning)
3. Air Delivery Mode Controls
4. Fan Control
5. Defrost
6. Passenger Temperature
Control 7. SYNC (Synchronized
Temperature)
8. Rear Window Defogger
9. Power Button
10. Air Recirculation
11. AUTO (Automatic Operation)

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-9955992) - 2017 - crc - 5/3/16
Climate Controls 233
Changing the mode cancels the
automatic operation and the system
goes into manual mode. Press
AUTO to return to automatic
operation.
Y:Air is directed to the instrument
panel outlets.
\: Air is divided between the
instrument panel and floor outlets.
Some air is directed toward the
windshield and side window outlets.
[: Air is directed to the floor
outlets, with some to the windshield,
side window outlets, and second
row floor outlets.
-: This mode clears the windows
of fog or moisture. Air is directed to
the windshield, floor outlets, and
side window vents. The system
automatically forces outside air into
the vehicle and the air conditioning
compressor will run, unless the
outside temperature is close to
freezing.
0: Press to clear the windshield
of fog or frost more quickly. Air is
directed to the windshield and the
side window vents. The air conditioning compressor also comes
on, unless the outside temperature
is below freezing.
Do not drive the vehicle until all
windows are clear.
See
Air Vents 0234.
A/C : Press to turn the air
conditioning system on or off. An
indicator light comes on to show
that the air conditioning is enabled.
If the fan is turned off, the air
conditioner will not run. The A/C
light will stay on even if the outside
temperatures are below freezing.
@: Press to turn on recirculation.
An indicator light comes on. Air is
recirculated to quickly cool the
inside of the vehicle. It can also be
used to help reduce outside air and
odors that enter the vehicle. The air
conditioning compressor also comes
on when this mode is activated.
Rear Window Defogger
The rear window defogger uses a
warming grid to remove fog from the
rear window.
K: Press to turn the rear window
defogger on or off. An indicator light
on the button comes on to show that
the rear window defogger is on.
The rear window defogger only
works when the ignition is in ON/
RUN. The defogger turns off if the
ignition is turned to ACC/
ACCESSORY or LOCK/OFF.
Caution
Using a razor blade or sharp
object to clear the inside rear
window can damage the rear
window defogger. Repairs would
not be covered by the vehicle
warranty. Do not clear the inside
rear window with sharp objects.
Heated Mirror : If equipped with
heated outside rearview mirrors,
press
Kto heat the mirrors. See
Heated Mirrors 043.

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-9955992) - 2017 - crc - 5/3/16
Driving and Operating 237
Driving and
Operating
Driving Information
Distracted Driving . . . . . . . . . . . . 238
Defensive Driving . . . . . . . . . . . . . 239
Drunk Driving . . . . . . . . . . . . . . . . . 239
Control of a Vehicle . . . . . . . . . . . 239
Braking . . . . . . . . . . . . . . . . . . . . . . . 239
Steering . . . . . . . . . . . . . . . . . . . . . . 240
Off-Road Recovery . . . . . . . . . . . 241
Loss of Control . . . . . . . . . . . . . . . 241
Off-Road Driving . . . . . . . . . . . . . 242
Driving on Wet Roads . . . . . . . . 246
Hill and Mountain Roads . . . . . 247
Winter Driving . . . . . . . . . . . . . . . . 248
If the Vehicle Is Stuck . . . . . . . . 249
Vehicle Load Limits . . . . . . . . . . . 250
Truck-Camper LoadingInformation . . . . . . . . . . . . . . . . . . 256
Starting and Operating
New Vehicle Break-In . . . . . . . . . 258
Adjustable Throttle and BrakePedal . . . . . . . . . . . . . . . . . . . . . . . 258
Ignition Positions . . . . . . . . . . . . . 259
Starting the Engine . . . . . . . . . . . 260
Fast Idle System . . . . . . . . . . . . . 261 Retained Accessory
Power (RAP) . . . . . . . . . . . . . . . . 262
Engine Coolant Heater . . . . . . . 262
Shifting Into Park . . . . . . . . . . . . . 264
Shifting out of Park . . . . . . . . . . . 265
Parking over Things That Burn . . . . . . . . . . . . . . . . . . . 266
Active Fuel Management
®. . . . 266
Engine Exhaust
Engine Exhaust . . . . . . . . . . . . . . 266
Running the Vehicle While Parked . . . . . . . . . . . . . . . . . . . . . . 267
Automatic Transmission
Automatic Transmission . . . . . . 267
Manual Mode . . . . . . . . . . . . . . . . . 270
Tow/Haul Mode . . . . . . . . . . . . . . . 273
Drive Systems
Four-Wheel Drive . . . . . . . . . . . . . 274
Brakes
Antilock BrakeSystem (ABS) . . . . . . . . . . . . . . . 281
Parking Brake . . . . . . . . . . . . . . . . 282
Brake Assist . . . . . . . . . . . . . . . . . . 283
Hill Start Assist (HSA) . . . . . . . . 283
Ride Control Systems
Traction Control/Electronic Stability Control . . . . . . . . . . . . . 284 Hill Descent Control (HDC) . . . 286
Locking Rear Axle . . . . . . . . . . . . 286
Cruise Control
Cruise Control . . . . . . . . . . . . . . . . 287
Driver Assistance Systems
Driver Assistance Systems . . . 290
Assistance Systems for
Parking or Backing . . . . . . . . . . 291
Assistance Systems for Driving . . . . . . . . . . . . . . . . . . . . . . 293
Forward Collision Alert (FCA) System . . . . . . . . . . . . . . . . . . . . . . 293
Forward Automatic Braking (FAB) . . . . . . . . . . . . . . . 295
Lane Departure Warning (LDW) (2500/3500
Series) . . . . . . . . . . . . . . . . . . . . . . 296
Lane Keep Assist (LKA) (1500 Series) . . . . . . . . . . . . . . . . . . . . . . 298
Fuel
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . 300
California FuelRequirements . . . . . . . . . . . . . . . 301
Fuels in Foreign Countries . . . 301
Fuel Additives . . . . . . . . . . . . . . . . 301
E85 or FlexFuel . . . . . . . . . . . . . . 301
Filling the Tank . . . . . . . . . . . . . . . 302
Filling a Portable Fuel Container . . . . . . . . . . . . . . . . . . . 304