door lock GMC SIERRA DENALI 2015 User Guide

Black plate (8,1)GMC 2015i Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-8431500) - 2015 - CRC - 6/20/14
2-8 Keys, Doors, and Windows The vehicle's ignition must be
turned on and then back off to use
remote start again.
Canceling a Remote Start
To cancel a remote start, do one of
the following: .
Press and hold
/ until the
parking lamps turn off. .
Turn on the hazard warning
flashers. .
Turn the ignition on and then off.
Door Locks
{ Warning
Unlocked doors can be
dangerous. .
Passengers, especially
children, can easily open the
doors and fall out of a moving
vehicle. When a door is
locked, the handle will not
open it. The chance of being
(Continued) Warning (Continued) thrown out of the vehicle in a
crash is increased if the
doors are not locked. So, all
passengers should wear
safety belts properly and the
doors should be locked
whenever the vehicle is
driven. .
Young children who get into
unlocked vehicles may be
unable to get out. A child can
be overcome by extreme heat
and can suffer permanent
injuries or even death from
heat stroke. Always lock the
vehicle whenever leaving it. .
Outsiders can easily enter
through an unlocked door
when you slow down or stop
the vehicle. Locking the doors
can help prevent this from
happening. There are several ways to lock and
unlock the vehicle.
From outside, use the Remote
Keyless Entry (RKE) transmitter or
the key in the driver door.
From inside, use the power door
locks. See Power Door Locks on
page 2-9 .
From inside, pull the door handle
once to unlock the door. Pull the
handle again to open the door.
See Vehicle Alarm System on
page 2-11 .

Black plate (9,1)GMC 2015i Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-8431500) - 2015 - CRC - 6/20/14
Keys, Doors, and Windows 2-9
Power Door Locks
Crew/Double Cab Premium Trim
Shown, Other Models Similar
Q : Press to lock the doors.
K : Press to unlock the doors. Delayed Locking If equipped, when locking the doors
with the power lock switch and a
door open, the doors will lock
five seconds after the last door is
closed. Three chimes signal that
delayed locking is in use.
Pressing the power lock switch
twice overrides the delayed locking
feature and immediately locks all
doors.
This feature will not operate if the
key is in the ignition.
Turn delayed locking on or off using
vehicle personalization. See Vehicle
Personalization on page 5-42 .Automatic Door Locks The doors will lock automatically
when all doors are closed, the
ignition is on, and the shift lever is
moved out of P (Park).
To unlock the doors: .
Press
K on a door. .
Shift the transmission into
P (Park).
Lockout Protection When locking is requested with the
driver door open and the key in the
ignition, all the doors will lock and
then the driver door will unlock.
This can be manually overridden by
pressing and holding
Q on the
power door lock switch.
Safety Locks The rear door safety locks prevent
passengers from opening the rear
doors from inside the vehicle.

Black plate (10,1)GMC 2015i Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-8431500) - 2015 - CRC - 6/20/14
2-10 Keys, Doors, and Windows
Crew/Double Cab Premium
Shown, Others Similar
Press
{ to activate the safety locks
on the rear doors. The indicator light
comes on when activated. The
vehicle must be on, in ACC/
ACCESSORY, or in Retained
Accessory Power (RAP). See
Retained Accessory Power (RAP)
on page 9-29 .
If the indicator light flashes, the
feature may not be working properly. Doors Tailgate
{ WarningIt is extremely dangerous to ride
on the tailgate, even when the
vehicle is operated at low speeds.
People riding on the tailgate can
easily lose their balance and fall
in response to vehicle
maneuvers. Falling from a moving
vehicle may result in serious
injuries or death. Do not allow
people to ride on the tailgate. Be
sure everyone in your vehicle is in
a seat and using a safety belt
properly.
On vehicles with a lock on the
tailgate, use the key to lock or
unlock the tailgate.
Open the tailgate by lifting up on its
handle while pulling the
tailgate down. To shut the tailgate, firmly push it
upward until it latches.
After closing the tailgate, pull it back
to be sure it latches securely.
Tailgate Removal The tailgate can be removed to
allow for different loading situations.
Assistance may be needed with the
removal to avoid damage to the
vehicle.
On vehicles with a Rear Vision
Camera, it must be disconnected
before removing the tailgate. See
Driver Assistance Systems on
page 9-55 .

Black plate (12,1)GMC 2015i Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-8431500) - 2015 - CRC - 6/20/14
2-12 Keys, Doors, and Windows Slow Flash: Alarm system is
armed.
Arming the Alarm System 1. Turn off the vehicle.
2. Lock the vehicle with one of the
following: .
Use the Remote Keyless
Entry (RKE) transmitter. .
With a door open, press
Qon the interior of the door.
3. After 30 seconds the alarm
system will arm, and the
indicator light will begin to slowly
flash indicating the alarm system
is operating. Pressing
Q on the
RKE transmitter a second time
will bypass the 30-second delay
and immediately arm the alarm
system.
The theft-deterrent alarm system will
not arm if the doors are locked with
the key. If the driver door is opened without
first unlocking the RKE transmitter,
the horn will chirp and the lights will
flash to indicate pre-alarm. If the
vehicle is not started, or the door is
not unlocked by pressing
K on the
RKE transmitter during the
10-second pre-alarm, the alarm will
be activated.
If a door or the hood is opened
without first disarming the system,
the turn signals will flash and the
horn will sound for about
30 seconds. The alarm system will
then re-arm to monitor for the next
unauthorized event.
Disarming the Alarm System To disarm the alarm system or turn
off the alarm if it has been activated: .
Press
K on the RKE transmitter. .
Start the vehicle. To avoid setting off the alarm by
accident: .
Lock the vehicle after all
occupants have left the vehicle
and all doors are closed. .
Always unlock a door with the
RKE transmitter.
Unlocking the driver door with the
key will not disarm the system or
turn off the alarm.
How to Detect a Tamper
Condition If
K is pressed on the RKE
transmitter and the horn chirps three
times, an alarm occurred previously
while the alarm system was armed.
Immobilizer See Radio Frequency Statement on
page 13-12 .

Black plate (13,1)GMC 2015i Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-8431500) - 2015 - CRC - 6/20/14
Keys, Doors, and Windows 2-13
Immobilizer Operation
This vehicle has a passive
theft-deterrent system.
The system does not have to be
manually armed or disarmed.
The vehicle is automatically
immobilized when the vehicle is
turned off.
The system is automatically
disarmed when the key is turned to
ON/RUN, ACC/ACCESSORY,
or START from the LOCK/OFF
position. The security light, in the instrument
cluster, comes on if there is a
problem with arming or disarming
the theft-deterrent system.
When trying to start the vehicle, the
security light comes on briefly when
the ignition is turned on.
If the engine does not start and the
security light stays on, there is a
problem with the system. Turn the
ignition off and try again.
If the engine still does not start, and
the key appears to be undamaged,
try another ignition key. It may be
necessary to check the fuse. See
Fuses on page 10-41 . If the engine
still does not start with the other key,
the vehicle needs service. If the
vehicle does start, the first key may
be faulty. See your dealer. It is possible for the immobilizer
system to learn new or replacement
keys. Up to eight keys can be
programmed for the vehicle. To
program additional keys, see Keys
on page 2-1 . To program additional
transmitters, see Remote Keyless
Entry (RKE) System Operation on
page 2-4 .
Do not leave the key or device that
disarms or deactivates the vehicle
theft system in the vehicle.
See your dealer to get a new key
blank cut exactly as the ignition key
that operates the system.

Black plate (19,1)GMC 2015i Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-8431500) - 2015 - CRC - 6/20/14
Keys, Doors, and Windows 2-19
Interior Mirrors Interior Rearview Mirrors Adjust the rearview mirror for a clear
view of the area behind your
vehicle.
If equipped with OnStar, the vehicle
may have three control buttons at
the bottom of the mirror. See your
dealer for more information about
OnStar and how to subscribe to it.
See OnStar Overview on page 14-1 .
Do not spray glass cleaner directly
on the mirror. Use a soft towel
dampened with water.
Automatic Dimming
Rearview Mirror The mirror will automatically reduce
the glare of the headlamps from
behind. The dimming feature comes
on each time the vehicle is started. Windows
{ WarningNever leave a child, a helpless
adult, or a pet alone in a vehicle,
especially with the windows
closed in warm or hot weather.
They can be overcome by the
extreme heat and suffer
permanent injuries or even death
from heat stroke. The vehicle aerodynamics are
designed to improve fuel economy
performance. This may result in a
pulsing sound when either rear
window is down and the front
windows are up. To reduce the
sound, open either a front window
or the sunroof, if equipped.
Power Windows
{ WarningChildren could be seriously
injured or killed if caught in the
path of a closing window. Never
leave keys in a vehicle with
children. When there are children
in the rear seat, use the window
lockout button to prevent
operation of the windows. See
Keys on page 2-1 .

Black plate (21,1)GMC 2015i Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-8431500) - 2015 - CRC - 6/20/14
Keys, Doors, and Windows 2-21Express Window Anti-Pinch
Feature If any object is in the path of the
window when express-up is active,
the window stops at the obstacle
and auto-reverses to a preset
factory position. Weather conditions
such as severe icing also cause the
window to auto-reverse. The
window returns to normal operation
once the obstacle or condition is
removed.
Express Window Anti-Pinch
Override
{ Warning
If express override is activated,
the window will not reverse
automatically. You or others could
be injured and the window could
be damaged. Before you use
express override, make sure that
all people and obstructions are
clear of the window path. The anti-pinch feature can be
overridden in a supervised mode.
Hold the window switch in the
partially or fully pulled up position.
The window rises for as long as the
switch is held. Once the switch is
released, the express mode is
reactivated.
In this mode, the window can still
close on an object in its path. Use
care when using the override mode. Window Lockout
Crew/Double Cab Premium
Shown, Other Models Similar
Z (Window Lockout): The driver
door power window switch has a
lockout feature. This feature
prevents the rear windows from
operating, except from the driver
position. Press the switch to engage
or disengage the lockout feature. An
indicator light on the switch will
come on when the lockout feature is
engaged, and will go off when
disengaged.

Black plate (22,1)GMC 2015i Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-8431500) - 2015 - CRC - 6/20/14
2-22 Keys, Doors, and Windows
Rear Windows Power Sliding Rear Window
If equipped, the power sliding rear
window works when the ignition has
been turned to ACC/ACCESSORY
or ON/RUN, or when Retained
Accessory Power (RAP) is active.
See Retained Accessory Power
(RAP) on page 9-29 ..
Press the switch to open the
window. .
Pull the switch to close the
window. The power sliding rear window
cannot be operated manually.
Sun Visors
Pull the sun visor down to block
glare. Detach the sun visor from the
center mount to pivot to the side
window or, if equipped, extend
along the rod. Roof Sunroof
If equipped, the sunroof operates
when the ignition is in ACC/
ACCESSORY or ON/RUN, or when
Retained Accessory Power (RAP) is
active. See Retained Accessory
Power (RAP) on page 9-29 .
Vent: From the closed position,
press the rear of the TILT switch to
vent the sunroof.

Black plate (23,1)GMC 2015i Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-8431500) - 2015 - CRC - 6/20/14
Keys, Doors, and Windows 2-23Manual-Open/Manual-Close: To
open the sunroof, press and hold
the rear of the SLIDE switch until
the sunroof reaches the desired
position. Press and hold the front of
the SLIDE switch to close it
Express-Open/Express-Close: To
express-open the sunroof, fully
press and release the rear of the
SLIDE switch until the sunroof
reaches the desired position. To
express-close the sunroof, fully
press and release the front of the
SLIDE switch. Press the switch
again to stop it.
When the sunroof is opened, an air
deflector will automatically raise.
The air deflector will retract when
the sunroof is closed.
The sunroof also has a sunshade,
which can be pulled forward to block
sun rays. The sunshade must be
opened and closed manually.
If an object is in the path of the
sunroof while it is closing, the
anti-pinch feature will detect the
object and stop the sunroof. Dirt and debris may collect on the
sunroof seal or in the track. This
could cause an issue with sunroof
operation or noise. It could also plug
the water drainage system.
Periodically open the sunroof and
remove any obstacles or loose
debris. Wipe the sunroof seal and
roof sealing area using a clean
cloth, mild soap, and water. Do not
remove grease from the sunroof
tracks.
If water is seen dripping into the
water drainage system, this is
normal.

Black plate (6,1)GMC 2015i Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-8431500) - 2015 - crc - 6/20/14
3-6 Seats and Restraints "1, ” "2," or
B before the stored
positions are reached stops the
recall.
If the vehicle is ON and in P (Park),
press and release “ 1, ” “ 2, ” or
B to
manually recall the previously
stored memory positions. Placing
the ignition in OFF/LOCK before the
stored positions are reached stops
the recall.
If something has blocked the driver
seat and/or 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. Automatically Recalling Memory
Positions (Auto Memory Recall)
The Auto (Automatic) Memory
Recall feature automatically recalls
the current driver ’ s previously stored
“ 1 ” or “ 2 ” position when entering the
vehicle.
If the Auto Memory Recall feature is
enabled in the vehicle
personalization menu, memory “ 1 ”
or “ 2 ” positions are recalled in the
following ways: .
Press
K on the RKE transmitter
and open the driver door. .
Press
K on the RKE transmitter
when the driver door is
already open.
See Vehicle Personalization on
page 5-42 .
To stop recall movement, press one
of the memory, power mirror or
power seat controls; or press the
adjustable pedal control. 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 opening
the driver door and pressing
K on
the RKE transmitter. If the memory
position is still not recalling, see
your dealer for service.
RKE Transmitters are not labeled
with a number. If your memory seat
position is stored to "1" or "2" but
this position is not automatically
recalling, then change the stored
position or switch RKE transmitters
with the other driver.
Easy Exit Recall
If programmed on in the vehicle
personalization menu, the easy exit
feature automatically moves the
driver seat, adjustable pedals, and
outside mirrors on some vehicles to
the memory positions saved to the