2015 GMC SIERRA 1500 ECO mode

Black plate (38,1)GMC Sierra Owner Manual (GMNA Localizing-U.S/Canada/Mexico-
7299746) - 2015 - crc - 11/11/13
5-38 Instruments and Controls
ENGINE OIL HOT IDLE
ENGINE
This message displays when the
engine oil becomes hotter than the
normal operating temperature. Stop
and allow the vehicle to idle until it
cools down. SeeEngine Coolant
Temperature Gauge on page 5-16.
OIL PRESSURE LOW STOP
ENGINE
This message displays if low oil
pressure levels occur. Stop the
vehicle as soon as safely possible
and do not operate it until the cause
of the low oil pressure has been
corrected. Check the oil as soon as
possible and have the vehicle
serviced by your dealer. See Engine
Oil on page 10-10.
Engine Power Messages
ENGINE POWER IS REDUCED
This message displays and a chime
may sound when the cooling system
temperature gets too hot and the
engine further enters the engine
coolant protection mode. See
Engine Overheating on page 10-23
for more information.
This message also displays when
the vehicle's engine power is
reduced. Reduced engine power
can affect the vehicle's ability to
accelerate. If this message is on,
but there is no reduction in
performance, proceed to your
destination. The performance may
be reduced the next time the vehicle
is driven. The vehicle may be driven
at a reduced speed while this
message is on, but acceleration and
speed may be reduced. Anytime
this message stays on, the vehicle
should be taken to your dealer for
service as soon as possible.
Fuel System Messages
FUEL LEVEL LOW
This message displays and a chime
may sound if the fuel level is low.
Refuel as soon as possible. See
Fuel Gauge on page 5-14 andFuel
on page 9-64.
TIGHTEN GAS CAP
This message may display along
with the malfunction indicator lamp
on the instrument cluster if the
vehicle's fuel cap is not tightened
properly. See Malfunction Indicator
Lamp on page 5-22. Reinstall the
fuel cap fully. See Filling the Tank
on page 9-67. The diagnostic
system can determine if the fuel cap
has been left off or improperly
installed. A loose or missing fuel
cap allows fuel to evaporate into the
atmosphere. A few driving trips with
the cap properly installed should
turn this light and message off.

Black plate (44,1)GMC Sierra Owner Manual (GMNA Localizing-U.S/Canada/Mexico-
7299746) - 2015 - crc - 11/11/13
5-44 Instruments and Controls
TRANSMISSION HOT IDLE
ENGINE
This message displays and a chime
may sound if the transmission fluid
in the vehicle gets hot. Driving with
the transmission fluid temperature
high can cause damage to the
vehicle. Stop the vehicle and let it
idle to allow the transmission to
cool. This message clears and the
chime stops when the fluid
temperature reaches a safe level.
When towing, use Tow/Haul mode
to prevent damage to the engine or
transmission. SeeTow/Haul Mode
on page 9-37.
VEHICLE IN 4WD LOW
This message will display if the
vehicle is driven in Four-Wheel
Drive Low for about 10 minutes
above 72 km/h (45 mph).
Vehicle Reminder
Messages
CHECK TRAILER WIRING
On vehicles with the Integrated
Trailer Brake Control (ITBC) system,
this message may display and a
chime may sound when one of the
following conditions exists:
.A trailer with electric brakes
becomes disconnected from the
vehicle.
‐ If the disconnect occurs while
the vehicle is stopped, this
message clears itself after a
short time.
‐ If the disconnect occurs while
the vehicle is moving, this
message stays on until the
ignition is turned off.
.There is a short in the wiring to
the electric trailer brakes.
When this message displays, power
is no longer available to the trailer
brakes. As soon as it is safe to do so,
carefully pull the vehicle over to the
side of the road and turn the ignition
off. Check the wiring connection to
the trailer and turn the ignition back
on. This message clears if the trailer
is reconnected. This message also
clears if you acknowledge it. If this
message still displays, either the
vehicle or the trailer needs service.
See your dealer.
See
“Integrated Trailer Brake
Control System” underTowing
Equipment on page 9-87.
ICE POSSIBLE DRIVE
WITH CARE
This message displays when ice
conditions are possible.
TRAILER CONNECTED
On vehicles with the Integrated
Trailer Brake Control (ITBC) system,
this message displays briefly when
a trailer with electric or electric over
hydraulic brakes is first connected
to the vehicle.

Black plate (46,1)GMC Sierra Owner Manual (GMNA Localizing-U.S/Canada/Mexico-
7299746) - 2015 - crc - 11/11/13
5-46 Instruments and Controls
3. PressoBACK on the faceplate
or the
0screen button to return
to the previous menu or exit.
Turn the vehicle to ON/RUN to
access the Settings menu, then
select SETTINGS from the Home
page on the infotainment system
display.
Personalization Menus
The following list of menu items may
be available:
.Time and Date
.Language [Language]
.Valet Mode
.Radio
.Vehicle
.Bluetooth
.Voice
.Display
.Rear Camera
.Return to Factory Settings
.Software Information Detailed information for each menu
follows.
Time and Date
Manually set the time and date. See
Clock on page 5-5.
Language [Language]
Select Language, then select from
the available language(s).
The selected language will display
on the system, and voice
recognition will reflect the selected
language.
Valet Mode
This will lock the infotainment
system, the infotainment controls,
and screen storage location.
To turn Valet Mode on and off, enter
a four-digit code on the keypad.
Press Enter to go to the
confirmation screen. Re-enter the
four-digit code. Press LOCK to lock
the system. Enter the four-digit code
to unlock the system. Press the
Back screen button to go back to
the previous menu.
Radio
Press to display the Radio menu
and the following may display:
.Manage Favorites
.Number of Favorites Shown
.Audible Touch Feedback
.Auto Volume
.Maximum Startup Volume
.Audio Cue Volume
Manage Favorites
This allows favorites to be edited.
See “Manage Favorites” in“Radio
Setup” underHome Page on
page 7-5 or“Manage Favorites” in
“Settings” under“Radio” in the
infotainment manual.

Black plate (4,1)GMC Sierra Owner Manual (GMNA Localizing-U.S/Canada/Mexico-
7299746) - 2015 - crc - 11/11/13
6-4 Lighting
The system may also turn on the
headlamps when driving through a
parking garage or tunnel.
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
|(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

Black plate (6,1)GMC Sierra Owner Manual (GMNA Localizing-U.S/Canada/Mexico-
7299746) - 2015 - crc - 11/11/13
7-6 Infotainment System
PHONE:Select the PHONE screen
icon to display the Phone main
page. See Bluetooth (Voice
Recognition - Base Radio) on
page 7-35 orBluetooth (Voice
Recognition - Base Connected
Radio) on page 7-44 orBluetooth
(Overview) on page 7-29 or
Bluetooth (Infotainment Controls -
Base Connected Radio) on
page 7-40 orBluetooth
(Infotainment Controls - Base
Radio) on page 7-31.
NAV (Navigation, If Equipped):
Select the NAV screen icon to
display the OnStar Turn-by-Turn
Navigation. See OnStar Overview
on page 14-1, if equipped.
SETTINGS: Select the SETTINGS
screen icon to display the Settings
main page. See “Setting Radio
Preferences” following.
Pandora (If Equipped)
Select the PANDORA icon to begin
Pandora. See Pandora Internet
Radio on page 7-12.
Setting Radio Preferences
Select the SETTINGS screen icon
to display the Settings menu and
the following may display:
Time and Date: SeeClock on
page 5-5.
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.
2. Press the MENU knob to select it. Do this for each one of the
four digits. Select Enter to go to
the confirmation screen.
3. Re-enter the four-digit code. Select LOCK to lock the system. 4. Enter the four-digit code to
unlock the system. Select
o
BACK to go back to the
previous menu.
Radio: See“Radio Setup” later in
this section.
Vehicle: SeeVehicle
Personalization on page 5-45.
Display: Press the MENU knob to
turn the display on or off.
Return to Factory Settings: See
“Return to Factory Settings” later in
this section.
Software Information (If
Equipped): Press the MENU knob
to select Save Vehicle Info to USB.
Press the MENU knob again to start
downloading the vehicle information
to the USB.

Black plate (23,1)GMC Sierra Owner Manual (GMNA Localizing-U.S/Canada/Mexico-
7299746) - 2015 - crc - 11/11/13
Infotainment System 7-23
In general there are flexible ways to
speak commands for completing the
tasks. Most of them, except
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) on page 9-28.
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.

Black plate (29,1)GMC Sierra Owner Manual (GMNA Localizing-U.S/Canada/Mexico-
7299746) - 2015 - crc - 11/11/13
Infotainment System 7-29
number has been entered, the
command“Call”will start dialing the
number.
“Voice Mail”: Initiate a call to voice
mail numbers.
Voice Recognition for OnStar
(If Equipped)
“OnStar”: Begin OnStar Voice
Recognition.
Phone
Bluetooth (Overview)
Instructions for using the cell phone
may differ between infotainment
systems. The base radio and base
radio with connectivity 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
“Voice Pass-Thru” in this
section.
.See “Storing and Deleting Phone
Numbers” 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.
(Continued)

Black plate (2,1)GMC Sierra Owner Manual (GMNA Localizing-U.S/Canada/Mexico-
7299746) - 2015 - crc - 11/11/13
8-2 Climate Controls
9(Fan Control):Turn clockwise
or counterclockwise to increase or
decrease the fan speed. Turn the
knob all the way counterclockwise
to turn the fan off.
Air Delivery Mode Control: Press
Y,\,[, or-to change the
direction of the airflow. An indicator
light comes on in the selected mode
button.
Y(Vent): Air is directed to the
instrument panel outlets.
\(Bi-Level): Air is divided
between the instrument panel and
floor outlets.
[(Floor): Air is directed to the
floor outlets, with some air directed
to the windshield, side window, and
second row floor outlets.
-(Defog): This mode clears the
windows of fog or moisture. Air is
directed to the windshield, floor
outlets, and side window vents.
0(Defrost): Press to clear the
windshield of fog or frost more
quickly. Air is directed to the windshield and the side window
vents. The system automatically
forces outside air into the vehicle.
Do not drive the vehicle until all the
windows are clear.
See
Air Vents on page 8-8.
@(Recirculation): 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.