change time GMC YUKON 2012 Owner's Guide

Black plate (42,1)GMC Yukon/Yukon XL Owner Manual - 2012
7-42 Infotainment System
If the vehicle has a third row video
screen, the AUX button controls the
source display on the second row
video screen, and the third row
video screen as described in the
table below:Aux
Button Press Second
Row
Screen Third Row
Screen
Default
State (No Press) DVD
Media DVD
Media
First
Press Aux Video
Source Aux Video
Source
Second Press DVD
Media Aux Video
Source
Third
Press Aux Video
Source DVD
Media
Fourth Press Return to
Default
State Return to
Default
State2(Camera): Press this button to
change camera angles on DVDs
that have this feature while a DVD is
playing. The format and content of
this function vary for each disc.
1 through 0 (Numeric Keypad):
The numeric keypad provides the
capability of direct chapter or track
number selection.
\(Clear): Press this button within
three seconds after entering a
numeric selection, to clear all
numerical inputs.
}10 (Double Digit Entries): Press
this button to select chapter or track
numbers greater than nine. Press
this button before entering the
number. Battery Replacement
To change the remote control
batteries:
1. Slide the rear cover back on the
remote control.
2. Replace the two batteries in the compartment. Make sure they
are installed correctly using the
diagram on the inside of the
remote control.
3. Replace the battery cover.
If the remote control is to be stored
for a long period of time, remove the
batteries and keep them in a cool,
dry place.

Black plate (45,1)GMC Yukon/Yukon XL Owner Manual - 2012
Infotainment System 7-45
Cleaning the RSE Overhead
Console
When cleaning the RSE overhead
console surface, use only a clean
cloth dampened with clean water.
Cleaning the Video Screen
When cleaning the video screen,
use only a clean cloth dampened
with clean water. Use care when
directly touching or cleaning the
screen, as damage could result.
Rear Seat Audio (RSA)
System
Vehicles with this feature allow the
rear seat passengers to listen to
and control any of the music
sources: radio, CDs, DVDs, or other
auxiliary sources. However, the rear
seat passengers can only control
the music sources the front seat
passengers are not listening to(except on some radios where dual
control is allowed). For example,
rear seat passengers can control
and listen to a CD through the
headphones, while the driver listens
to the radio through the front
speakers. The rear seat passengers
have control of the volume for each
set of headphones.
The radio functionality is controlled
by both the RSA and the front radio.
Only one band can be tuned to at
one time. Changing the band on the
RSA or the front radio will change
the band on the other system,
if they are both sourced to the radio.
The RSA functions operate even
when the main radio is off. The
front audio system will display the
headphone icon when the RSA is
on, and will disappear from the
display when it is off.
Audio can be heard through wired
headphones (not included) plugged
into the jacks on the RSA. If the
vehicle has this feature, audio can
also be heard on Channel 2 of the
wireless headphones.
The audio system mutes the rear
speakers when the RSA audio is
active through the headphones.
P(Power):
Press thePbutton to
turn the RSA on or off.

Black plate (48,1)GMC Yukon/Yukon XL Owner Manual - 2012
7-48 Infotainment System
When to Speak:A short tone
sounds after the system responds
indicating when it is waiting for a
voice command. Wait until the tone
and then speak.
How to Speak: Speak clearly in a
calm and natural voice.
Audio System
When using the in‐vehicle Bluetooth
system, sound comes through the
vehicle's front audio system
speakers and overrides the audio
system. Use the audio system
volume knob, during a call, to
change the volume level. The
adjusted volume level remains in
memory for later calls. To prevent
missed calls, a minimum volume
level is used if the volume is turned
down too low.
Bluetooth Controls
Use the buttons located on the
steering wheel to operate the
in‐vehicle Bluetooth system. See
Steering Wheel Controls on
page 5‑2 for more information.
b/g(Mute/Push To Talk): Press
to answer incoming calls, confirm
system information, and start
speech recognition.
c/x(End): Press to end a call,
reject a call, or cancel an operation.
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
the 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 equipped. See OnStar
Overview on page 14‑1 for more
information.
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 five 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. To connect to a
different paired phone, see
“Connecting to a Different
Phone” later in this section.

Black plate (50,1)GMC Yukon/Yukon XL Owner Manual - 2012
7-50 Infotainment System
3. Say“Change phone.”
.If another cell phone is
found, the response will be
“ is now
connected.”
.If another cell phone is not
found, the original phone
remains connected.
Storing and Deleting Phone
Numbers
The system can store up to
30 phone numbers as name tags in
the Hands‐Free Directory that is
shared between the Bluetooth and
OnStar systems, if equipped.
The following commands are used
to delete and store phone numbers.
Store:This command will store a
phone number, or a group of
numbers as a name tag.
Digit Store: This command allows
a phone number to be stored as a
name tag by entering the digits one
at a time. Delete:
This command is used to
delete individual name tags.
Delete All Name Tags: This
command deletes all stored name
tags in the Hands‐Free Calling
Directory and the OnStar
Turn‐by‐Turn Destinations
Directory, if equipped.
Using the “Store”Command
1. Press and hold
b/gfor
two seconds.
2. Say “Store.”
3. Say the phone number or group of numbers you want to store all
at once with no pauses, then
follow the directions given by the
system to save a name tag for
this number.
Using the “Digit Store” Command
If an unwanted number is
recognized by the system, say
“Clear” at any time to clear the last
number. To hear all of the numbers
recognized by the system, say
“Verify”
at any time.
1. Press and hold
b/gfor
two seconds.
2. Say “Digit Store.”
3. Say each digit, one at a time, that you want to store. After
each digit is entered, the system
repeats back the digit it heard
followed by a tone. After the last
digit has been entered, say
“Store,” and then follow the
directions given by the system to
save a name tag for this number.
Using the “Delete”Command
1. Press and hold
b/gfor
two seconds.
2. Say “Delete.”
3. Say the name tag you want to delete.

Black plate (51,1)GMC Yukon/Yukon XL Owner Manual - 2012
Infotainment System 7-51
Using the“Delete All Name Tags”
Command
This command deletes all stored
name tags in the Hands‐Free
Calling Directory and the OnStar
Turn‐by‐Turn Destinations Directory,
if equipped.
To delete all name tags:
1. Press and hold
b/gfor
two seconds.
2. Say “Delete all name tags.”
Listing Stored Numbers
The list command will list all stored
numbers and name tags.
Using the “List”Command
1. Press and hold
b/gfor
two seconds.
2. Say “Directory.”
3. Say “Hands‐Free Calling.”
4. Say “List.”
Making a Call
Calls can be made using the
following commands.
Dial or Call: The dial or
call command can be used
interchangeably to dial a phone
number or a stored name tag.
Digit Dial: This command allows a
phone number to be dialed by
entering the digits one at a time.
Re‐dial: This command is used to
dial the last number used on the cell
phone.
Using the “Dial”or“Call”
Command
1. Press and hold
b/gfor
two seconds.
2. Say “Dial”or“Call.”
3. Say the entire number without pausing, or say the name tag.
Once connected, the person called
will be heard through the audio
speakers. Using the
“Digit Dial” Command
The digit dial command allows a
phone number to be dialed by
entering the digits one at a time.
After each digit is entered, the
system repeats back the digit it
heard followed by a tone.
If an unwanted number is
recognized by the system, say
“Clear” at any time to clear the last
number.
To hear all of the numbers
recognized by the system, say
“Verify” at any time.
1. Press and hold
b/gfor
two seconds.
2. Say “Digit Dial.”
3. Say each digit, one at a time, that you want to dial. After each
digit is entered, the system
repeats back the digit it heard
followed by a tone. After the last
digit has been entered,
say “Dial.”

Black plate (2,1)GMC Yukon/Yukon XL Owner Manual - 2012
8-2 Climate Controls
9(Fan Control):Turn the left
knob clockwise or counterclockwise
to increase or decrease the fan
speed. Turn the knob all the way
counterclockwise to turn the front
system off.
Air Delivery Mode Control: Turn
clockwise or counterclockwise to
change the airflow direction inside
the vehicle. By positioning the knob
between two modes, a combination
of those modes is selected.
Select from the following modes:
H(Vent): Air is directed to the
instrument panel outlets.
)(Bi-Level): Air is divided
between the instrument panel and
floor outlets. Some air is directed
towards the windshield and side
window outlets. Cooler air is
directed to the upper outlets and
warmer air to the floor outlets.
6(Floor): Air is directed to the
floor outlets, with some of the air
directed to the windshield, side window, and second row floor
outlets. In this mode, the system
automatically selects outside air.
Recirculation cannot be selected
when in Floor Mode.
-(Defog):
The defog mode is
used to clear the windows of fog or
moisture. Air is directed to the
windshield, floor outlets, and side
window vents. In this mode, the
system turns off recirculation and
runs the air conditioning compressor
unless the outside temperature is
close to freezing. The recirculation
mode cannot be selected while in
the defog mode.
0(Defrost): The defrost mode is
used to remove fog or frost from
the windshield more quickly. Air is
directed to the windshield and side
window vents, with some directed to
the floor vents. In this mode, the
system automatically forces outside
air into the vehicle. The recirculation
mode cannot be selected while
in the defrost mode. The air
conditioning compressor runs automatically in this setting, unless
the outside temperature is close to
freezing.
Do not drive the vehicle until all the
windows are clear.
#(Air Conditioning):
Press this
button to turn the air conditioning
system on or off. An indicator light
comes on to show that the air
conditioning is on. The air
conditioning can be selected in
any mode as long as the fan
switch is on.
On hot days, open the windows to
let hot inside air escape; then close
them. This helps to reduce the time
it takes for the vehicle to cool down.
It also helps the system to operate
more efficiently.
The air conditioning system
removes moisture from the air, so a
small amount of water might drip
under the vehicle while idling or
after turning off the engine. This is
normal.

Black plate (7,1)GMC Yukon/Yukon XL Owner Manual - 2012
Climate Controls 8-7
-(Defog):This mode clears the
windows of fog or moisture. Air is
directed to the windshield, floor
outlets, and side window vents. In
this mode, the system turns off
recirculation and runs the air
conditioning compressor unless the
outside temperature is close to
freezing. The recirculation mode
cannot be selected while in the
defog mode.
0(Defrost): This mode removes
fog or frost from the windshield
more quickly. Air is directed to the
windshield and side window vents,
with some directed to the floor
vents. In this mode, the system
automatically forces outside air into
the vehicle and runs the air
conditioning compressor unless the
outside temperature is close to
freezing. The recirculation mode
cannot be selected while in the
defrost mode. The passenger temperature control
cannot be activated while in defrost
mode. If the PASS button is
pressed, the button indicator flashes
three times and will not work. If the
passenger temperature buttons are
adjusted, the driver temperature
indicator changes. The passenger
temperature will not be displayed.
If vent, bi-level, or floor mode is
selected again, the climate control
system displays the previous
temperature settings.
Do not drive the vehicle until all the
windows are clear.
#(Air Conditioning):
Press to
turn the air conditioning (A/C)
compressor on and off. An indicator
light comes on to show that the air
conditioning is on. If this button is pressed when the air
conditioning compressor is
unavailable, the indicator flashes
three times and then turns off. If the
air conditioning is on and the
outside temperature drops below a
temperature which is too cool for air
conditioning to be effective, the air
conditioning light turns off to show
that the air conditioning mode has
been canceled.
On hot days, open the windows long
enough to let hot inside air escape.
This helps to reduce the time it
takes for the vehicle to cool down.
It also helps the system to operate
more efficiently.
The air conditioning system
removes moisture from the air, so a
small amount of water might drip
under the vehicle while idling or
after turning off the engine. This is
normal.

Black plate (12,1)GMC Yukon/Yukon XL Owner Manual - 2012
8-12 Climate Controls
The rear climate control system can
also be turned off by pressing and
holding the
Cbutton. To turn the
system on from the rear seats,
press any rear climate control
button, except the
Cbutton.
Mimic Mode: This mode matches
the rear climate control to the front
climate control airflow settings.
It comes on when REAR is pressed
the first time.
Independent Mode: This mode
directs rear seating airflow
according to the settings of the rear
controls.
To turn the system on from the rear,
press any rear climate control
button, except the
Cbutton.
Automatic Operation,
If Equipped
AUTO: Press the air delivery mode
button until this setting is selected to
control the inside temperature, air
delivery, and fan speed. AUTO
appears in the display when
automatic operation is active.
+ or −(Increase/Decrease
Temperature): Press the + or−
buttons to increase or decrease the
cabin temperature. The rear control
temperature display will show the
temperature setting increasing or
decreasing.
The display only indicates climate
control functions when the system is
in rear independent mode.
Manual Operation
D C(Fan Control): Press these
buttons on the rear seat audio
control panel to increase or
decrease the airflow. Pressing the
fan up button when the system is off
will turn the system on. The air
delivery mode will remain under
automatic control.
+ or −(Temperature Control):
Press these buttons to adjust the
temperature of the air flowing into
the passenger area. Press the +
button for warmer air and press the
− button for cooler air.
N(Air Delivery Mode Control):
Press the mode button to change
the direction of the airflow in the
vehicle. Repeatedly press the
button until the desired mode
appears on the display. Multiple
presses will cycle through the
delivery selections.

Black plate (25,1)GMC Yukon/Yukon XL Owner Manual - 2012
Driving and Operating 9-25
When the Low Fuel warning
lamp is on and the FUEL LEVEL
LOW message is displayed in
the Driver Information Center
(DIC), the Computer‐Controlled
Cranking System is disabled to
prevent possible vehicle
component damage. When this
happens, hold the ignition switch
in the START position to
continue engine cranking.
Notice: Cranking the engine for
long periods of time, by returning
the key to the START position
immediately after cranking has
ended, can overheat and damage
the cranking motor, and drain the
battery. Wait at least 15 seconds
between each try, to let the
cranking motor cool down. 2. If the engine does not start after
5‐10 seconds, especially in very
cold weather (below −18°C
or 0°F), it could be flooded with
too much gasoline. Try pushing
the accelerator pedal all the way
to the floor and holding it there
as you hold the key in START
for up to a maximum of
15 seconds. Wait at least
15 seconds between each try, to
allow the cranking motor to cool
down. When the engine starts,
let go of the key and accelerator.
If the vehicle starts briefly but
then stops again, repeat these
steps. This clears the extra
gasoline from the engine. Do not
race the engine immediately
after starting it. Operate the
engine and transmission gently
until the oil warms up and
lubricates all moving parts. Notice:
The engine is designed to
work with the electronics in the
vehicle. If you add electrical parts
or accessories, you could change
the way the engine operates.
Before adding electrical
equipment, check with your
dealer. If you do not, the engine
might not perform properly. Any
resulting damage would not be
covered by the vehicle warranty.

Black plate (44,1)GMC Yukon/Yukon XL Owner Manual - 2012
9-44 Driving and Operating
Brakes
Antilock Brake
System (ABS)
This vehicle has the Antilock Brake
System (ABS), an advanced
electronic braking system that helps
prevent a braking skid.
When the engine is started and the
vehicle begins to drive away, ABS
checks itself. A momentary motor or
clicking noise might be heard while
this test is going on, and it might
even be noticed that the brake
pedal moves a little. This is normal.If there is a problem with ABS, this
warning light stays on. SeeAntilock
Brake System (ABS) Warning Light
on page 5‑24.
If driving safely on a wet road and it
becomes necessary to slam on the
brakes and continue braking to
avoid a sudden obstacle, a
computer senses that the wheels
are slowing down. If one of the
wheels is about to stop rolling, the
computer will separately work the
brakes at each wheel.
ABS can change the brake pressure
to each wheel, as required, faster
than any driver could. This can help
the driver steer around the obstacle
while braking hard. As the brakes are applied, the
computer keeps receiving updates
on wheel speed and controls
braking pressure accordingly.
Remember: ABS does not change
the time needed to get a foot up to
the brake pedal or always decrease
stopping distance. If you get too
close to the vehicle in front of you,
there will not be enough time to
apply the brakes if that vehicle
suddenly slows or stops. Always
leave enough room up ahead to
stop, even with ABS.
Using ABS
Do not pump the brakes. Just hold
the brake pedal down firmly and let
ABS work. You might hear the ABS
pump or motor operating and feel
the brake pedal pulsate, but this is
normal.