GMC YUKON XL 2007 Owners Manual

Power Door Locks
The power door lock switches are located on the
armrest on the front doors.
K(Unlock):Press the side of the switch with the
unlock symbol to unlock the doors.
Q(Lock):Press the side of the switch with the
lock symbol to lock the doors.
Delayed Locking
When locking the doors with the power lock switch
or the remote keyless entry (RKE) transmitter
and a door or the liftgate is open, the doors will
lock ve seconds after the last door is closed. You
will hear three chimes to signal that the delayed
locking feature is in use.
Pressing the power lock switch or the lock button
on the RKE transmitter twice will override the
delayed locking feature and immediately lock all
the doors.This feature will not operate if the key is in the
ignition.
You can program this feature using the Driver
Information Center (DIC). See DELAY DOOR
LOCK underDIC Vehicle Customization
(With DIC Buttons) on page 264.
Programmable Automatic Door
Locks
Your vehicle has an automatic lock/unlock feature
which enables you to program the vehicle’s
power door locks. You can program this feature
through the Driver Information Center (DIC).
SeeDIC Vehicle Customization (With DIC Buttons)
on page 264for more information on DIC
programming.
121

Rear Door Security Locks
Your vehicle has rear door security locks. These
prevent passengers from opening the rear
doors from the inside.
The rear door security
locks are located on the
inside edge of each
rear door. You
must open the rear
doors to access them.
The label depicting
lock and unlock
positions is located near
the lock.
To set the locks, do the following:
1. Insert the key into the security lock slot and
turn it so the slot is in the horizontal position.
2. Close the door.When you want to open a rear door when the
security lock is on, do the following:
1. Unlock the door using the remote keyless
entry transmitter, if the vehicle has one, the
power door lock switch, or by lifting the
rear door manual lock.
2. Open the door from the outside.
To cancel the rear door security lock, do the
following:
1. Unlock the door and open it from the outside.
2. Insert the key into the security lock slot
and turn it so the slot is in the vertical position.
Lockout Protection
This feature protects you from locking the key in
the vehicle when the key is in the ignition and
a front door is open.
If the driver’s side power door lock switch is
pressed when the driver’s door is open and the
key is in the ignition, all of the doors will lock and
then the driver’s door will unlock.Security Lock Label
shown
122

If the passenger’s side power door lock switch is
pressed when the front passenger’s door is
open and the key is in the ignition, all of the doors
will lock and then the front passenger’s door
will unlock.
Liftgate/Liftglass
{CAUTION:
It can be dangerous to drive with the
liftglass or liftgate open because carbon
monoxide (CO) gas can come into your
vehicle. You cannot see or smell CO. It
can cause unconsciousness and even
death.
CAUTION: (Continued)
CAUTION: (Continued)
If you must drive with the liftglass or
liftgate open, or if electrical wiring or
other cable connections must pass
through the seal between the body and
the liftglass or liftgate:
Make sure all other windows are shut.
Turn the fan on your heating or
cooling system to its highest speed
with the recirculation mode off. That
will force outside air into your vehicle.
SeeClimate Control System on
page 210orDual Automatic Climate
Control System on page 213.
If you have air outlets on or under the
instrument panel, open them all
the way.
If your vehicle has a power liftgate,
disable the power liftgate function.
SeeEngine Exhaust on page 155.
If your vehicle has a power liftgate, seePower
Liftgate on page 125.
123

To unlock the liftgate, use the power door lock
switch or press the door unlock button on
the Remote Keyless Entry (RKE) transmitter twice.
SeeRemote Keyless Entry System Operation
on page 113.
To open the liftglass, press the button on the
underside of the license pocket applique (A).
The liftglass can also be opened by pressing the
liftglass release button on the RKE.To open the entire liftgate, press the touchpad
on the underside of the liftgate handle (B).
The vehicle must be in PARK (P) to open the
liftgate. To close the liftgate, use the pull cup or
pull strap as an aid.
The liftgate or liftglass cannot be opened if the
rear wipers are in motion. Attempting to open the
liftgate or liftglass while the rear wipers are in
motion will cause the release of the liftglass
or liftgate to delay until the wipers are moved off
the liftglass.
Both the liftglass and liftgate have an electric
latch. If the battery is disconnected or has
low voltage, the liftglass and liftgate will not open.
The liftglass and liftgate will resume operation
when the battery is reconnected and charged.
If the battery is properly connected and has
adequate voltage, and the liftgate or liftglass still
will not function, your vehicle should be taken to a
dealership for service.
124

Power Liftgate
Power Liftgate Operation
Your vehicle may have a power liftgate. The
vehicle must be in PARK (P) to power open or
close the liftgate.
The liftgate must be completely closed to power
open or completely open to power close.
The taillamps will ash and a chime will sound at
the beginning of each power operation cycle.
{CAUTION:
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 closing.
Notice:If you open the liftgate without
checking for overhead obstructions such as
a garage door, you could break the liftgateglass. Always check to make sure the area
above the liftgate is clear before opening it.
To open and close the liftgate, press and hold the
power liftgate button on the Remote Keyless
Entry (RKE) transmitter until the liftgate starts
moving. Press the RKE button a second time during
liftgate operation to reverse that operation. See
Remote Keyless Entry System Operation on
page 113for more information.
The liftgate can also be
opened and closed by
pressing the power
liftgate button on
the overhead console.
Press the button a
second time during
liftgate operation
to reverse that
operation.
Power Liftgate Button
on Overhead Console
125

The liftgate can be power opened by pressing the
touchpad switch on the liftgate handle. Press
the button a second time during liftgate operation
to reverse that operation.
The liftgate can be power closed by pressing the
power liftgate button next to the liftgate latch.
Press the button a second time during liftgate
operation to reverse that operation.
The power liftgate my be temporarily disabled
under extreme high or low temperatures.
If this occurs, the liftgate can still be operated
manually. The power liftgate may not operate
under low battery conditions.If you shift the transmission out of PARK (P) while
the power function is in progress, the liftgate
power function will continue to completion. If you
shift the transmission out of PARK (P) and
accelerate before the power liftgate latches closed,
the liftgate may reverse to the open position.
Cargo could fall out of the vehicle. Always make
sure the power liftgate is closed and latched before
you drive away.
If you power open the liftgate and the liftgate
support struts have lost pressure, the lights will
ash and a chime will sound. The liftgate will hold
open temporarily, then slowly close. See your
dealer for service before using the liftgate.
Power Liftgate Button Near Liftgate Latch
126

Obstacle Detection Features
If the liftgate encounters an obstacle during a
power open or close cycle, a warning chime will
sound and the liftgate will automatically reverse
direction to the full closed or open position.
After removing the obstruction, the liftgate may be
power opened or closed normally. If the liftgate
encounters multiple obstacles on the same power
cycle, the power function will deactivate, and
the liftgate will switch to manual operation.
The REAR ACCESS OPEN warning message in
the Driver Information Center (DIC) will indicate
that the liftgate is open. After removing the
obstructions, manually open the liftgate to the full
open position or close the liftgate to the fully
closed and latched position. The liftgate will now
resume normal power operation.
Your vehicle has pinch sensors located on the
side edges of the liftgate. If an object is caught
between the liftgate and the body and presses
against this sensor, the liftgate will reverse
direction and open fully. The liftgate will remain
open until it is activated again or closed manually.
Manual Operation of Power Liftgate
To change the liftgate to
manual operation,
toggle the switch on the
overhead console to
the “Disable” position
indicated by a circle.
With the power liftgate disabled and the door
unlocked, the power liftgate can be manually
opened and closed.
To open the liftgate, press the touchpad on the
handle on the outside of the liftgate, and lift
the gate open. To close the liftgate, use the pull
cup or pull strap to lower the liftgate and close.
The liftgate latch will power cinch to closed
position. Always close the liftgate before driving.
If the RKE button or the power close button on the
liftgate is pressed while power operation is
disabled, the lights will ash three times, but the
liftgate will not move.
127

It is not recommended that you drive with the
liftgate open, however, if you must drive with the
liftgate open, the power liftgate should be switched
to manual liftgate operation — the overhead
console switch set to the “Disable” position.
Both the liftglass and liftgate have an electric latch.
If the battery is disconnected or has low voltage,
the liftglass and liftgate will not open. The
liftglass and liftgate will resume operation when
the battery is reconnected and charged.
If the battery is properly connected and has
adequate voltage, and the liftgate or liftglass still
will not function, your vehicle should be taken to a
dealership for service.
{CAUTION:
It can be dangerous to drive with the
liftglass or liftgate open because carbon
monoxide (CO) gas can come into your
vehicle. You cannot see or smell CO.
It can cause unconsciousness and even
death.
CAUTION: (Continued)
CAUTION: (Continued)
If you must drive with the liftglass or
liftgate open, or if electrical wiring or
other cable connections must pass
through the seal between the body and
the liftglass or liftgate:
Make sure all other windows are shut.
Turn the fan on your heating or
cooling system to its highest speed
with the recirculation mode off. That
will force outside air into your vehicle.
SeeClimate Control System on
page 210orDual Automatic Climate
Control System on page 213.
If you have air outlets on or under the
instrument panel, open them all
the way.
If your vehicle has a power liftgate,
disable the power liftgate function.
SeeEngine Exhaust on page 155.
128

Power Running Boards
Your vehicle may have power running boards.
These make getting into and out of the vehicle
easier.
The power running boards activate when either
door on the driver’s or passenger’s side is opened
or closed. They automatically extend from
beneath the vehicle on the side in which the door
has been opened. Once the door is closed, the
running boards will automatically move back under
the vehicle. The vehicle must be stationary for
the running boards to extend or retract.The switch used to
disable the power
running boards is
located on the center
console below the
climate control system.
The running boards cannot be disabled in the
extended position.
129

Windows
{CAUTION:
Leaving children, helpless adults, or pets
in a vehicle with the windows closed is
dangerous. They can be overcome by the
extreme heat and suffer permanent
injuries or even death from heat stroke.
Never leave a child, a helpless adult, or a
pet alone in a vehicle, especially with the
windows closed in warm or hot weather.
130