key GMC YUKON 2015 Workshop Manual

Black plate (31,1)GMC Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-7063682) - 2015 - crc - 6/5/14
Instruments and Controls 5-31
SERVICE BATTERY
CHARGING SYSTEM
On some vehicles, this message
displays if there is a problem with
the battery charging system. Under
certain conditions, the charging
system light may also turn on in the
instrument cluster. SeeCharging
System Light on page 5-18. Driving
with this problem could drain the
battery. Turn off all unnecessary
accessories. Have the electrical
system checked as soon as
possible. See your dealer.
TRANSPORT MODE ON
This message is displayed when the
vehicle is in transport mode. Some
features can be disabled while in
this mode, including Remote
Keyless Entry (RKE), remote start,
and the vehicle alarm system. Take
the vehicle to your dealer for service
to turn transport mode off.
Brake System Messages
BRAKE FLUID LOW
This message is displayed when the
brake fluid level is low. See Brake
Fluid on page 10-21.
SERVICE BRAKE ASSIST
This message may be displayed
when there is a problem with the
brake boost assist system. When
this message is displayed, the brake
boost assist motor might be heard
operating and you might notice
pulsation in the brake pedal. This is
normal under these conditions. Take
the vehicle to your dealer for
service.
SERVICE TRAILER BRAKE
SYSTEM
On vehicles with the Integrated
Trailer Brake Control (ITBC) system,
this message displays and a chime
may sound when there is a problem
with the ITBC system. When this message displays, power
is no longer available to the trailer
brakes.
As soon as it is safe to do so,
carefully pull your 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. If this message still
displays, either your vehicle or the
trailer needs service. See your
dealer.
See
“Integrated Trailer Brake
Control System” underTowing
Equipment on page 9-81 for more
information.
Compass Messages
Dashes may be displayed if the
vehicle temporarily loses
communication with the Global
Positioning System (GPS).

Black plate (35,1)GMC Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-7063682) - 2015 - crc - 6/5/14
Instruments and Controls 5-35
Key and Lock Messages
NO REMOTE DETECTED
This message displays when the
transmitter battery may be weak.
See“Starting the Vehicle with a Low
Transmitter Battery” underRemote
Keyless Entry (RKE) System
Operation (Keyless Access) on
page 2-7 orRemote Keyless Entry
(RKE) System Operation (Key
Access) on page 2-5.
NO REMOTE KEY WAS
DETECTED PLACE KEY IN
TRANSMITTER POCKET THEN
START YOUR VEHICLE
This message displays when trying
to start the vehicle if an RKE
transmitter is not detected. The
transmitter battery may be weak.
See “Starting the Vehicle with a Low
Transmitter Battery” underRemote
Keyless Entry (RKE) System
Operation (Keyless Access) on
page 2-7 orRemote Keyless Entry
(RKE) System Operation (Key
Access) on page 2-5.
NO REMOTE PRESS BRAKE
TO RESTART
This message displays when
attempting to turn off the vehicle
and the remote is no longer
detected. Restarting is allowed
without the remote for five minutes.
Press the brake pedal to restart the
vehicle.
NUMBER OF KEYS
PROGRAMMED
This message displays when
programming new keys to the
vehicle.
REMOTE LEFT IN VEHICLE
This message displays when
leaving the vehicle with the RKE
transmitter still inside.
REPLACE BATTERY IN
REMOTE KEY
This message displays when the
battery in the RKE transmitter needs
to be replaced.
Lamp Messages
TURN SIGNAL ON
This message displays and a chime
sounds if a turn signal is left on for
1.2 km (0.75 mi). Move the turn
signal lever to the off position.
Object Detection System
Messages
AUTOMATIC COLLISION
PREP OFF
This message displays when the
Active Emergency Braking System
has been turned off. See Active
Emergency Braking System on
page 9-64.

Black plate (39,1)GMC Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-7063682) - 2015 - crc - 6/5/14
Instruments and Controls 5-39
.If an engine or vehicle-related
problem has been detected and
the vehicle needs service. See
your dealer.
.If the transfer case is in
Four-Wheel Drive Low.
The message turns off as soon as
the conditions that caused the
message to be displayed are no
longer present.
Airbag System Messages
SERVICE AIR BAG
This message displays if there is a
problem with the airbag system.
Have your dealer inspect the
system for problems. See Airbag
Readiness Light on page 5-17 and
Airbag System on page 3-28 for
more information.
Security Messages
SERVICE THEFT DETERRENT
SYSTEM
This message displays when there
is a problem with the theft-deterrent
system. The vehicle may or may not
restart, so you may want to take the
vehicle to your dealer before turning
off the engine. See Immobilizer
Operation (Keyless Access) on
page 2-25 orImmobilizer Operation
(Key Access) on page 2-24.
Steering System
Messages
STEERING ASSIST IS
REDUCED DRIVE WITH CARE
This message may display if a
problem occurs with the electric
power steering system. If this
message appears, steering effort
may be slightly higher than normal.
The vehicle is still safe to drive. Use
caution while in reduced assist
mode. If this message is persistent or appears repeatedly, take the
vehicle to your dealer for service.
See
Steering on page 9-4.
SERVICE POWER STEERING
This message displays when there
is a problem with electric power
steering. Take the vehicle to your
dealer for service. See Steering on
page 9-4.
Tire Messages
SERVICE TIRE MONITOR
SYSTEM
If equipped with the Tire Pressure
Monitor System (TPMS), this
message displays if a part on the
system is not working properly. The
tire pressure light also flashes and
then remains on during the same
ignition cycle. See Tire Pressure
Light on page 5-25. Several
conditions may cause this message
to appear. See Tire Pressure
Monitor Operation on page 10-54.

Black plate (41,1)GMC Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-7063682) - 2015 - crc - 6/5/14
Instruments and Controls 5-41
GRADE BRAKING OFF
This message displays when grade
braking has been disabled with the
Tow/Haul Mode button on the end of
the shift lever. SeeTow/Haul Mode
on page 9-35, Automatic
Transmission on page 9-31, and
Cruise Control on page 9-48.
GRADE BRAKING ON
This message displays when grade
braking has been enabled with the
Tow/Haul Mode button on the end of
the shift lever. See Tow/Haul Mode
on page 9-35, Automatic
Transmission on page 9-31, and
Cruise Control on page 9-48.
GRADE BRAKING ACTIVE
This message displays when grade
braking has been activated while
driving on downhill grades. This
message will only appear the first
time the feature is activated in an
ignition cycle. See Tow/Haul Mode
on page 9-35, Automatic
Transmission on page 9-31, and
Cruise Control on page 9-48.
SERVICE 4WD
If the vehicle has four-wheel drive,
this message may display if a
problem occurs with the
four-wheel-drive system. If this
message appears, stop as soon as
possible and turn off the vehicle.
Make sure the key is in the LOCK/
OFF position for at least
one minute, then restart the vehicle
and check for the message on the
DIC display. If the message is still
displayed or appears again when
you begin driving, the
four-wheel-drive system needs
service. See your dealer.
TO EXIT 4WD LOW SLOW
TO XXX
If a four-wheel drive shift out of
Four-Wheel Drive Low is requested,
but the vehicle speed is too high,
this message will display until the
correct vehicle speed is reached.
TO EXIT 4WD LOW SHIFT TO
NEUTRAL
If a four-wheel drive shift out of
Four-Wheel Drive Low is requested,
and the vehicle speed is correct, but
the transmission is not in
N (Neutral), this message will
display until the transmission is
shifted to N (Neutral).
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. See Tow/Haul Mode
on page 9-35.

Black plate (44,1)GMC Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-7063682) - 2015 - crc - 6/5/14
5-44 Instruments and Controls
Language [Language]
Select Language, then select from
the available language(s).
The selected language will display
on the system, and voice
recognition (if equipped) 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
.Bose AudoPilot
.Auto Volume
.Maximum Startup Volume
.Audio Cue Volume
Manage Favorites
This allows favorites to be edited.
See “Manage Favorites” in
“Settings” under“Radio” in the
infotainment manual.
Number of Favorites Shown
Press to set the number of favorites
to display.
Select the desired number or select
Auto and the infotainment system
will automatically adjust the number
of favorites shown. Audible Touch Feedback
This allows Audible Touch
Feedback to be turned on or off.
Select Off or On.
Bose AudoPilot
This allows Bose AudoPilot to be
turned on or off.
Select Off or On.
Auto Volume
This feature adjusts the volume
based on vehicle speed and
ambient noise.
Select Off, Low, Medium-Low,
Medium, Medium-High, or High.
Maximum Startup Volume
This feature sets the maximum
startup volume. If the vehicle is
started and the volume is greater
than this level, the volume is
adjusted to this level. To set the
maximum startup volume, press +
or
−to increase or decrease.

Black plate (47,1)GMC Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-7063682) - 2015 - crc - 6/5/14
Instruments and Controls 5-47
Auto Mirror Folding
When on, the outside rearview
mirrors will automatically fold or
unfold when the Remote Keyless
Entry (RKE) transmitter
QorK
button is pressed and held.
Select Off or On.
Auto Wipe in Reverse Gear
When on, the rear wiper will
automatically activate when the
vehicle is shifted to R (Reverse).
Select Off or On.
Lighting
Select the Lighting menu and the
following may display:
.Vehicle Locator Lights
.Exit Lighting
Vehicle Locator Lights
This feature will flash the exterior
lights when
Kon the Remote
Keyless Entry (RKE) transmitter is
pressed to locate the vehicle. Select On or Off.
Exit Lighting
This allows the selection of how
long the exterior lamps stay on
when leaving the vehicle when it is
dark outside.
Select Off, 30 Seconds, 60
Seconds, or 120 Seconds.
Power Door Locks
Select Power Door Locks and the
following may display:
.Unlocked Door Anti-Lockout
.Auto Door Unlock
.Delayed Door Lock
Unlocked Door Anti-Lockout
When on, this feature will keep the
driver door from locking when the
door is open and the key is in the
ignition. If Off is selected, the
Delayed Door Lock menu will be
available.
Select On or Off. Auto Door Unlock
This allows selection of which of the
doors will automatically unlock when
the vehicle is shifted into P (Park).
Select Off, All Doors, or Driver Door.
Delayed Door Lock
When on, this feature will delay the
locking of the doors. To override the
delay, press the power door lock
switch on the door.
Select On or Off.
Remote Lock, Unlock, Start
Select Remote Lock, Unlock, Start
and the following may display:
.Remote Unlock Light Feedback
.Remote Lock Feedback
.Remote Door Unlock
.Remote Start Auto Cool Seats
.Remote Start Auto Heat Seats
.Passive Door Unlock
.Passive Door Lock
.Remote Left in Vehicle Alert

Black plate (48,1)GMC Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-7063682) - 2015 - crc - 6/5/14
5-48 Instruments and Controls
Remote Unlock Light Feedback
When on, the exterior lamps will
flash when unlocking the vehicle
with the RKE transmitter.
Select Off or Flash Lights.
Remote Lock Feedback
This allows selection of what type of
feedback is given when locking the
vehicle with the RKE transmitter.
Select Off, Lights and Horn, Lights
Only, or Horn Only.
Remote Door Unlock
This allows selection of which doors
will unlock when pressing
Kon the
RKE transmitter.
Select All Doors or Driver Door.
Remote Start Auto Cool Seats
If equipped and turned on, this
feature will turn the cooled seats on
when using remote start on
warm days.
Select Off or On. Remote Start Auto Heat Seats
If equipped and turned on, this
feature will turn the heated seats on
when using remote start on
cold days.
Select Off or On.
Passive Door Unlock
This allows the selection of what
doors will unlock when using the
button on the driver door to unlock
the vehicle.
Select All Doors or Driver Door.
Passive Door Lock
This allows passive locking to be
turned on or off and selects
feedback. See
Remote Keyless
Entry (RKE) System Operation
(Keyless Access) on page 2-7 or
Remote Keyless Entry (RKE)
System Operation (Key Access) on
page 2-5.
Select Off, On with Horn
Chirp, or On. Remote Left in Vehicle Alert
This feature sounds an alert when
the RKE transmitter is left in the
vehicle.
Select Off or On.
Bluetooth
Select and the following may
display:
.Pair New Device
.Device Management
.Ringtones
.Voice Mail Numbers
Pair New Device
Select to pair a new device. See
“Pairing” in“Infotainment Controls”
under Bluetooth in the infotainment
manual.
Device Management
Select to connect to a different
phone source, disconnect a phone,
or delete a phone.

Black plate (2,1)GMC Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-7063682) - 2015 - crc - 6/5/14
6-2 Lighting
For vehicles first sold in Canada,
the off position will only work when
the vehicle is shifted into P (Park).
AUTO (Automatic):Automatically
turns on the headlamps, parking
lamps, taillamps, instrument panel
lights, roof marker lamps (if
equipped), 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, the headlamps
automatically come on for a set
time. The time of the delay can be
changed using the DIC. See Driver
Information Center (DIC) on
page 5-27.
;(Parking Lamps): Turns on the
parking lamps including all lamps,
except the headlamps.
2(Headlamps): Turns on the
headlamps 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.
Exterior Lamps Off
Reminder
A reminder chime sounds when the
headlamps or parking lamps are
manually turned on, the ignition is
off, and a door is open. To disable
the chime, turn the lamps off.
Headlamp High/
Low-Beam Changer
$
(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 beams are on, this
indicator light on the instrument
cluster will also be on.

Black plate (7,1)GMC Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-7063682) - 2015 - crc - 6/5/14
Lighting 6-7
Pressmornnext to each reading
lamp to turn it on or off.
Lighting Features
Entry Lighting
The vehicle has an illuminated entry
feature.
When a door is opened, the dome
lamps and puddle lamps come on if
the dome lamp control is in the
DOOR position. If the dome lamp
control is in the OFF position, the
lamps do not come on.
The headlamps, parking lamps,
taillamps, and back-up lamps turn
on briefly at night, or in areas with
limited lighting, when
Kis pressed
on the Remote Keyless Entry (RKE)
transmitter. 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
Qbutton.
This feature can be changed. See
“Vehicle Locator Lights” under
Vehicle Personalization on
page 5-43.
Exit Lighting
The headlamps, taillamps, parking
lamps, back-up lamps, license plate
lamps, and interior lamps come on
when the key is removed from the
ignition. The exterior lamps and
interior lamps remain on after the
door is closed for a set amount of
time, then automatically turn off.
If equipped with keyless Access, the
exterior lamps automatically turn on
when a door is opened after the
ignition is turned off. The interior
lights turn on when the engine is
turned off.
The exterior lamps turn off
immediately by turning the exterior
lamp control off.
This feature can be changed. See
Vehicle Personalization on
page 5-43.

Black plate (1,1)GMC Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-7063682) - 2015 - CRC - 6/5/14
Driving and Operating 9-1
Driving and
Operating
Driving Information
Distracted Driving . . . . . . . . . . . . . 9-2
Defensive Driving . . . . . . . . . . . . . 9-3
Drunk Driving . . . . . . . . . . . . . . . . . 9-3
Control of a Vehicle . . . . . . . . . . . 9-3
Braking . . . . . . . . . . . . . . . . . . . . . . . 9-3
Steering . . . . . . . . . . . . . . . . . . . . . . . 9-4
Off-Road Recovery . . . . . . . . . . . . 9-4
Loss of Control . . . . . . . . . . . . . . . . 9-5
Off-Road Driving . . . . . . . . . . . . . . 9-5
Driving on Wet Roads . . . . . . . 9-10
Hill and Mountain Roads . . . . . 9-11
Winter Driving . . . . . . . . . . . . . . . . 9-11
If the Vehicle Is Stuck . . . . . . . . 9-13
Vehicle Load Limits . . . . . . . . . . 9-14
Starting and Operating
New Vehicle Break-In . . . . . . . . 9-19
Adjustable Throttle and BrakePedal . . . . . . . . . . . . . . . . . . . . . . . 9-20
Ignition Positions (Key Access) . . . . . . . . . . . . . . . . . . . . 9-20
Ignition Positions (Keyless Access) . . . . . . . . . . . . . . . . . . . . 9-22 Starting the Engine . . . . . . . . . . 9-24
Engine Heater . . . . . . . . . . . . . . . 9-26
Retained Accessory
Power (RAP) . . . . . . . . . . . . . . . 9-27
Shifting Into Park . . . . . . . . . . . . 9-27
Shifting out of Park . . . . . . . . . . 9-29
Parking over Things
That Burn . . . . . . . . . . . . . . . . . . 9-29
Active Fuel Management
®. . . 9-30
Engine Exhaust
Engine Exhaust . . . . . . . . . . . . . . 9-30
Running the Vehicle While Parked . . . . . . . . . . . . . . . . . . . . . 9-31
Automatic Transmission
Automatic Transmission . . . . . 9-31
Manual Mode . . . . . . . . . . . . . . . . 9-34
Tow/Haul Mode . . . . . . . . . . . . . . 9-35
Drive Systems
Four-Wheel Drive . . . . . . . . . . . . 9-36
Brakes
Antilock BrakeSystem (ABS) . . . . . . . . . . . . . . 9-41
Parking Brake . . . . . . . . . . . . . . . 9-42
Brake Assist . . . . . . . . . . . . . . . . . 9-43
Hill Start Assist (HSA) . . . . . . . 9-43
Ride Control Systems
Traction Control/Electronic Stability Control . . . . . . . . . . . . 9-44
Hill Descent Control (HDC) . . . . . . . . . . . . . . 9-46
Magnetic Ride Control . . . . . . . 9-47
Locking Rear Axle . . . . . . . . . . . 9-47
Automatic Level Control . . . . . 9-47
Cruise Control
Cruise Control . . . . . . . . . . . . . . . 9-48
Adaptive Cruise Control . . . . . 9-51
Driver Assistance Systems
Driver Assistance
Systems . . . . . . . . . . . . . . . . . . . . 9-58
Assistance Systems for Parking or Backing . . . . . . . . . 9-59
Assistance Systems for Driving . . . . . . . . . . . . . . . . . . . . . 9-62
Forward Collision Alert (FCA) System . . . . . . . . . . . . . . . . . . . . . 9-62
Active Emergency Braking System . . . . . . . . . . . . . . . . . . . . . 9-64
Side Blind Zone Alert (SBZA) . . . . . . . . . . . . . . . 9-65
Lane Change Alert . . . . . . . . . . . 9-66
Lane Departure Warning (LDW) . . . . . . . . . . . . . 9-68