keyless entry GMC YUKON 2012 User Guide

Black plate (11,1)GMC Yukon/Yukon XL Owner Manual - 2012
Keys, Doors, and Windows 2-11
On vehicles with a power liftgate,
the button is on the overhead
console.
The vehicle must be in P (Park) to
use the power liftgate feature.
8:Press the top of the button to
open or close the power liftgate.
OFF: Press the bottom of the
button for manual operation of the
power liftgate.
The taillamps will flash and a chime
will sound when the power liftgate is
moving.
{WARNING
You or others could be injured if
caught in the path of the power
liftgate. Make sure there is no one
in the way of the liftgate as it is
opening and closing. Notice:
If you open the liftgate
without checking for overhead
obstructions such as a garage
door, you could damage the
liftgate or the liftgate glass.
Always check to make sure the
area above and behind the liftgate
is clear before opening it.
The power liftgate can be power
opened and closed in the
following ways:
.Press and hold8on the
Remote Keyless Entry (RKE)
transmitter until the liftgate starts
moving. See Remote Keyless
Entry (RKE) System Operation
on page 2‑3.
.Press8on the overhead
console.
.Press the touch pad on the
outside liftgate handle.
Pressing the buttons, or touch pad
switch a second time while the
liftgate is moving reverses the
direction.
l: The liftgate can also be
closed by pressing this button next
to the liftgate latch.
Press the button a second time
during liftgate operation to reverse
that operation.
The power liftgate may be
temporarily disabled under extreme
temperatures, or under low battery
conditions. If this occurs, the liftgate
can still be operated manually.

Black plate (14,1)GMC Yukon/Yukon XL Owner Manual - 2012
2-14 Keys, Doors, and Windows
Vehicle Security
This vehicle has theft-deterrent
features; however, they do not make
it impossible to steal.
Anti-theft Alarm System
Your vehicle has a content
theft-deterrent alarm system.
This is the security light.
To arm the theft-deterrent system:
1. Open the door.
2. Lock the door with the RemoteKeyless Entry (RKE) transmitter
or the power door lock switch. The security light will come on to
inform the driver the system is
arming. If a door is open when
the doors are locked, the
security light will flash.
If the delayed locking feature is
turned on, the theft‐deterrent
system will not start the arming
process until the last door is
closed and the delay timer has
expired. See
Delayed Locking
on page 2‑8.
3. Close all doors. The security light should go off after about
30 seconds. The alarm is not
armed until the security light
goes off.
If a locked driver door is opened
without using the RKE transmitter, a
10-second pre-alarm will occur. The
horn will chirp and the lights will
flash. If the key is not placed in the
ignition and turned to START or the
door is not unlocked by pressing
the unlock button on the RKE
transmitter during the 10-second
pre-alarm, the alarm will go off. Your vehicle's headlamps will flash
and the horn will sound for about
30 seconds, then will turn off to save
the battery power.
The theft-deterrent system will not
activate if the doors are locked with
the vehicle's key or the manual door
lock. It activates only if you use the
power door lock switch with the door
open or the RKE transmitter. You
should also remember that you can
start your vehicle with the correct
ignition key if the alarm has been
set off.
To avoid setting off the alarm by
accident:.If you do not want to activate the
theft-deterrent system, the
vehicle should be locked with
the door key after the doors are
closed.
.Always unlock the doors with the
RKE transmitter. Unlocking a
door any other way will set off
the alarm if it is armed.

Black plate (8,1)GMC Yukon/Yukon XL Owner Manual - 2012
3-8 Seats and Restraints
Memory Remote Recall
The memory feature can recall the
driver seat, outside mirrors, and
pedals, if equipped, to stored
positions when entering the vehicle.
To activate, unlock the driver
door with the Remote Keyless
Entry (RKE) transmitter. The driver
seat, outside mirrors, and adjustable
pedals, if equipped, will move to the
memory position associated with the
transmitter used to unlock the
vehicle.
This feature can be turned on or off
using the vehicle personalization
menu. SeeVehicle Personalization
(With DIC Buttons) on page 5‑47 for
more information.
To stop recall movement, press one
of the power seat controls, memory
buttons, or power mirror buttons,
or the adjustable pedal switch. If something has blocked the driver
seat and/or the adjustable pedals
while recalling a memory position,
the recall may stop. Remove the
obstruction; then press and hold the
appropriate manual control for the
memory item that is not recalling
for two seconds. Try recalling the
memory position again by pressing
the appropriate memory button.
If the memory position is still not
recalling, see your dealer for
service.
Easy Exit Driver Seat
This feature can move the seat
rearward to allow extra room to exit
the vehicle.B(Easy Exit Driver Seat):
Press
to recall the easy exit seat position.
The vehicle must be in P (Park).
If the easy exit seat feature is
programmed on in the vehicle
personalization menu, automatic
seat movement occurs when the
ignition key is removed.
A single beep sounds. The driver
seat moves back approximately
8 cm (3 in). To move the seat back
farther, press
Bagain until the
seat is all the way back.
If something has blocked the driver
seat while recalling the exit position,
the recall may stop. Remove the
obstruction; then press and hold the
power seat control rearward for
two seconds. Try recalling the exit
position again. If the exit position is
still not recalling, see your dealer for
service.
See Vehicle Personalization (With
DIC Buttons) on page 5‑47 for more
information.

Black plate (41,1)GMC Yukon/Yukon XL Owner Manual - 2012
Instruments and Controls 5-41
cause of the low oil pressure is
corrected. SeeEngine Oil on
page 10‑8 for more information.
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 10‑8.
Engine Power Messages
ENGINE POWER IS REDUCED
This message displays and a chime
sounds when the cooling system
temperature gets too hot and the
engine further enters the engine
coolant protection mode. See
Engine Overheating on page 10‑21
for further information.
This message also displays when
the 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
sounds if the fuel level is low. Refuel
as soon as possible. See
Fuel
Gauge on page 5‑14 andFuel on
page 9‑61 for more information.
TIGHTEN GAS CAP
This message may display along
with the check engine light on the
instrument panel cluster if the fuel cap is not tightened properly. See
Malfunction Indicator Lamp on
page 5‑21. Reinstall the fuel cap
fully. See
Filling the Tank on
page 9‑65. 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.
Key and Lock Messages
REPLACE BATTERY IN
REMOTE KEY
This message displays if a Remote
Keyless Entry (RKE) transmitter
battery is low. The battery needs to
be replaced in the transmitter. See
“Battery Replacement” under
Remote Keyless Entry (RKE)
System Operation on page 2‑3.

Black plate (49,1)GMC Yukon/Yukon XL Owner Manual - 2012
Instruments and Controls 5-49
AUTO DOOR UNLOCK
This feature allows you to select
whether or not to turn off the
automatic door unlocking feature.
It also allows you to select which
doors and when the doors will
automatically unlock. SeeAutomatic
Door Locks on page 2‑8 for more
information.
Press the customization button until
AUTO DOOR UNLOCK appears on
the DIC display. Press the set/reset
button once to access the settings
for this feature. Then press the
customization button to scroll
through the following settings:
OFF: None of the doors will
automatically unlock.
DRIVER AT KEY OUT: Only the
driver door will unlock when the key
is taken out of the ignition.
DRIVER IN PARK: Only the driver
door will unlock when the vehicle is
shifted into P (Park) . ALL AT KEY OUT:
All of the doors
will unlock when the key is taken
out of the ignition.
ALL IN PARK (default): All of the
doors will unlock when the vehicle is
shifted into P (Park).
NO CHANGE: No change will be
made to this feature. The current
setting will remain.
To select a setting, press the set/
reset button while the desired
setting is displayed on the DIC.
REMOTE DOOR LOCK
This feature allows you to select the
type of feedback you will receive
when locking the vehicle with the
Remote Keyless Entry (RKE)
transmitter. You will not receive
feedback when locking the vehicle
with the RKE transmitter if the doors
are open. See Remote Keyless
Entry (RKE) System Operation on
page 2‑3 for more information. Press the customization button until
REMOTE DOOR LOCK appears on
the DIC display. Press the set/reset
button once to access the settings
for this feature. Then press the
customization button to scroll
through the following settings:
OFF:
There will be no feedback
when you press the lock button on
the RKE transmitter.
LIGHTS ONLY: The exterior lamps
will flash when you press the lock
button on the RKE transmitter.
HORN ONLY: The horn will sound
on the second press of the lock
button on the RKE transmitter.
HORN & LIGHTS (default): The
exterior lamps will flash when you
press the lock button on the RKE
transmitter, and the horn will sound
when the lock button is pressed
again within five seconds of the
previous command.

Black plate (50,1)GMC Yukon/Yukon XL Owner Manual - 2012
5-50 Instruments and Controls
NO CHANGE:No change will be
made to this feature. The current
setting will remain.
To select a setting, press the set/
reset button while the desired
setting is displayed on the DIC.
REMOTE DOOR UNLOCK
This feature allows you to select the
type of feedback you will receive
when unlocking the vehicle with the
Remote Keyless Entry (RKE)
transmitter. You will not receive
feedback when unlocking the
vehicle with the RKE transmitter if
the doors are open. See Remote
Keyless Entry (RKE) System
Operation on page 2‑3 for more
information.
Press the customization button until
REMOTE DOOR UNLOCK appears
on the DIC display. Press the set/
reset button once to access the settings for this feature. Then press
the customization button to scroll
through the following settings:
LIGHTS OFF:
The exterior lamps
will not flash when you press the
unlock button on the RKE
transmitter.
LIGHTS ON (default): The exterior
lamps will flash when you press the
unlock button on the RKE
transmitter.
NO CHANGE: No change will be
made to this feature. The current
setting will remain.
To select a setting, press the set/
reset button while the desired
setting is displayed on the DIC. DELAY DOOR LOCK
This feature allows you to select
whether or not the locking of the
vehicle's doors and liftgate will be
delayed. When locking the doors
and liftgate with the power door lock
switch and a door or the liftgate is
open, this feature will delay locking
the doors and liftgate until
five seconds after the last door is
closed. You will hear three chimes
to signal that the delayed locking
feature is in use. The key must be
out of the ignition for this feature to
work. You can temporarily override
delayed locking by pressing the
power door lock switch twice. See
Delayed Locking on page 2‑8
for
more information.
Press the customization button until
DELAY DOOR LOCK appears on
the DIC display. Press the set/reset
button once to access the settings

Black plate (51,1)GMC Yukon/Yukon XL Owner Manual - 2012
Instruments and Controls 5-51
for this feature. Then press the
customization button to scroll
through the following settings:
OFF:There will be no delayed
locking of the vehicle's doors.
ON (default): The doors will not
lock until 5 seconds after the last
door or the liftgate is closed.
NO CHANGE: No change will be
made to this feature. The current
setting will remain.
To select a setting, press the set/
reset button while the desired
setting is displayed on the DIC.
EXIT LIGHTING
This feature allows you to select the
amount of time you want the
exterior lamps to remain on when it
is dark enough outside. This
happens after the key is turned from
ON/RUN to LOCK/OFF. Press the customization button until
EXIT LIGHTING appears on the DIC
display. Press the set/reset button
once to access the settings for this
feature. Then press the
customization button to scroll
through the following settings:
OFF:
The exterior lamps will not
turn on.
30 SECONDS (default): The
exterior lamps will stay on for
30 seconds.
1 MINUTE: The exterior lamps will
stay on for 1 minute.
2 MINUTES: The exterior lamps will
stay on for 2 minutes.
NO CHANGE: No change will be
made to this feature. The current
setting will remain.
To select a setting, press the set/
reset button while the desired
setting is displayed on the DIC. APPROACH LIGHTING
This feature allows you to select
whether or not to have the exterior
lights turn on briefly during low light
periods after unlocking the vehicle
using the Remote Keyless Entry
(RKE) transmitter.
Press the customization button until
APPROACH LIGHTING appears on
the DIC display. Press the set/reset
button once to access the settings
for this feature. Then press the
customization button to scroll
through the following settings:
OFF:
The exterior lights will not
turn on when you unlock the vehicle
with the RKE transmitter.
ON (default): If it is dark enough
outside, the exterior lights will turn
on briefly when you unlock the
vehicle with the RKE transmitter.

Black plate (52,1)GMC Yukon/Yukon XL Owner Manual - 2012
5-52 Instruments and Controls
The lights will remain on for
20 seconds or until the lock button
on the RKE transmitter is pressed,
or the vehicle is no longer off. See
Remote Keyless Entry (RKE)
System Operation on page 2‑3for
more information.
NO CHANGE : No change will be
made to this feature. The current
setting will remain.
To select a setting, press the set/
reset button while the desired
setting is displayed on the DIC.
CHIME VOLUME
This feature allows you to select the
volume level of the chime.
Press the customization button until
CHIME VOLUME appears on the
DIC display. Press the set/reset
button once to access the settings
for this feature. Then press the
customization button to scroll
through the following settings:
NORMAL: The chime volume will
be set to a normal level. LOUD:
The chime volume will be
set to a loud level.
NO CHANGE: No change will be
made to this feature. The current
setting will remain.
There is no default for chime
volume. The volume will stay at the
last known setting.
To select a setting, press the set/
reset button while the desired
setting is displayed on the DIC.
PARK TILT MIRRORS
If your vehicle has this feature, it
allows you to select whether or not
the outside mirror(s) will
automatically tilt down when the
vehicle is shifted into R (Reverse).
See Park Tilt Mirrors on page 2‑19
for more information.
Press the customization button until
PARK TILT MIRRORS appears on
the DIC display. Press the set/reset
button once to access the settings for this feature. Then press the
customization button to scroll
through the following settings:
OFF (default):
Neither outside
mirror will be tilted down when the
vehicle is shifted into R (Reverse).
DRIVER MIRROR: The driver
outside mirror will be tilted down
when the vehicle is shifted into
R (Reverse).
PASSENGER MIRROR: The
passenger outside mirror will be
tilted down when the vehicle is
shifted into R (Reverse).
BOTH MIRRORS: The driver and
passenger outside mirrors will be
tilted down when the vehicle is
shifted into R (Reverse).
NO CHANGE: No change will be
made to this feature. The current
setting will remain.
To select a setting, press the set/
reset button while the desired
setting is displayed on the DIC.

Black plate (54,1)GMC Yukon/Yukon XL Owner Manual - 2012
5-54 Instruments and Controls
Press the customization button until
MEMORY SEAT RECALL appears
on the DIC display. Press the set/
reset button once to access the
settings for this feature. Then press
the customization button to scroll
through the following settings:
OFF (default):No remote memory
seat recall will occur.
ON: The driver seat and, on some
vehicles, the outside mirrors will
automatically move to the stored
driving position when the unlock
button on the Remote Keyless Entry
(RKE) transmitter is pressed. On
some vehicles with the adjustable
throttle and brake pedal feature, the
pedals will also automatically move.
NO CHANGE: No change will be
made to this feature. The current
setting will remain.
To select a setting, press the set/
reset button while the desired
setting is displayed on the DIC. REMOTE START
If your vehicle has this feature, it
allows you to turn the remote start
off or on. The remote start feature
allows you to start the engine from
outside of the vehicle using the
Remote Keyless Entry (RKE)
transmitter. See
Remote Vehicle
Start on page 2‑5 for more
information.
Press the customization button until
REMOTE START appears on the
DIC display. Press the set/reset
button once to access the settings
for this feature. Then press the
customization button to scroll
through the following settings:
OFF : The remote start feature will
be disabled.
ON (default): The remote start
feature will be enabled. NO CHANGE:
No change will be
made to this feature. The current
setting will remain.
To select a setting, press the set/
reset button while the desired
setting is displayed on the DIC.
FACTORY SETTINGS
This feature allows you to set all of
the customization features back to
their factory default settings.
Press the customization button until
FACTORY SETTINGS appears on
the DIC display. Press the set/reset
button once to access the settings
for this feature. Then press the
customization button to scroll
through the following settings:
RESTORE ALL (default): The
customization features will be set to
their factory default settings.

Black plate (3,1)GMC Yukon/Yukon XL Owner Manual - 2012
Vehicle Care 10-3
California Proposition
65 Warning
Most motor vehicles, including this
one, contain and/or emit chemicals
known to the State of California to
cause cancer and birth defects or
other reproductive harm. Engine
exhaust, many parts and systems,
many fluids, and some component
wear by-products contain and/or
emit these chemicals.
California Perchlorate
Materials Requirements
Certain types of automotive
applications, such as airbag
initiators, seat belt pretensioners,
and lithium batteries contained in
Remote Keyless Entry transmitters,
may contain perchlorate materials.
Special handling may be necessary.
For additional information, see
www.dtsc.ca.gov/hazardouswaste/
perchlorate.
Accessories and
Modifications
Adding non‐dealer accessories or
making modifications to the vehicle
can affect vehicle performance and
safety, including such things as
airbags, braking, stability, ride and
handling, emissions systems,
aerodynamics, durability, and
electronic systems like antilock
brakes, traction control, and stability
control. These accessories or
modifications could even cause
malfunction or damage not covered
by the vehicle warranty.Damage to vehicle components
resulting from modifications or the
installation or use of non‐GM
certified parts, including control
module or software modifications, is
not covered under the terms of the
vehicle warranty and may affect
remaining warranty coverage for
affected parts.
GM Accessories are designed to
complement and function with other
systems on the vehicle. See your
dealer to accessorize the vehicle
using genuine GM Accessories
installed by a dealer technician.
Also, see
Adding Equipment to the
Airbag-Equipped Vehicle on
page 3‑42.