2016 GMC SIERRA auto lock

GMC Sierra Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
9234758) - 2016 - crc - 11/9/15
12 In Brief
Power Lumbar
To adjust the power lumbar support,
if equipped:
.Press and hold the control
forward to increase or rearward
to decrease upper and lower
lumbar support at the same time.
. If equipped, press and hold the
control up to increase upper
lumbar support and decrease
lower lumbar support.
Press and hold the control down
to increase lower lumbar support
and decrease upper lumbar
support. See
Lumbar Adjustment 058.
Reclining Seatbacks
Manual Reclining Seatbacks
To adjust a manual seatback:
1. Lift the lever. The seatback will automatically
fold forward.
2. To recline, move the seatback rearward to the desired
position, then release the lever
to lock the seatback in place.
3. Push and pull on the seatback to make sure it is locked. To return the seatback to the upright
position:
1. Lift the lever fully without applying pressure to the
seatback, and the seatback will
return to the upright position.
2. Push and pull on the seatback to make sure it is locked.
See Reclining Seatbacks 059.
Power Reclining Seatbacks
To recline a power seatback,
if equipped:
. Tilt the top of the control
rearward to recline.

GMC Sierra Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
9234758) - 2016 - crc - 11/9/15
16 In Brief
Automatic Dimming Rearview
Mirror
The automatic dimming mirror will
automatically reduce the glare from
the headlamps from behind. The
dimming feature comes on when the
vehicle is started.
SeeAutomatic Dimming Rearview
Mirror 050.
Steering Wheel
Adjustment
To adjust the steering wheel:
1. Hold the steering wheel and pull the lever. 2. Move the steering wheel up
or down.
3. Release the lever to lock the wheel in place.
Tilt and Telescoping Steering
Wheel
To adjust the tilt and telescoping
steering wheel, if equipped: 1. Push the lever (1) down to move the steering wheel
forward or rearward. Lift the
lever up to lock the wheel in
place. 2. Pull the lever (2) toward you to
move the steering wheel up or
down, then release the lever to
lock the wheel in place.
Do not adjust the steering wheel
while driving.
Throttle and Brake Pedal
Adjustment
If equipped, the position of the
throttle and brake pedals can be
changed.
The switch used to adjust the
pedals is on the center stack, below
the climate controls.

GMC Sierra Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
9234758) - 2016 - crc - 11/9/15
28 In Brief
If equipped with the Universal
Remote system, these buttons will
be in the front overhead console.
This system provides a way to
replace up to three remote control
transmitters used to activate
devices such as garage door
openers, security systems, and
home automation devices.
SeeUniversal Remote
System 0170.
Sunroof
If equipped, the sunroof only
operates when the ignition is in
ACC/ACCESSORY or ON/RUN,
or when Retained Accessory Power
(RAP) is active. See Retained
Accessory Power (RAP) 0281.
Vent : From the closed position,
press the rear of the TILT switch to
vent the sunroof.
Manual-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. 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
that can be pulled forward to block
the rays of the sun. Open and close
the sunshade manually.
If an object is in the path of the
sunroof while it is closing, the
automatic reversal system will
detect the object and stop the
sunroof.
See
Sunroof 053.

GMC Sierra Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
9234758) - 2016 - crc - 11/9/15
32 Keys, Doors, and Windows
Keys, Doors, and
Windows
Keys and Locks
Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Remote Keyless Entry (RKE)System . . . . . . . . . . . . . . . . . . . . . . . 35
Remote Keyless Entry (RKE) System Operation . . . . . . . . . . . . 35
Remote Vehicle Start . . . . . . . . . . 37
Door Locks . . . . . . . . . . . . . . . . . . . . 38
Power Door Locks . . . . . . . . . . . . . 39
Delayed Locking . . . . . . . . . . . . . . . 39
Automatic Door Locks . . . . . . . . . 39
Lockout Protection . . . . . . . . . . . . . 40
Safety Locks . . . . . . . . . . . . . . . . . . . 40
Doors
Tailgate . . . . . . . . . . . . . . . . . . . . . . . . 40
Power Assist Steps . . . . . . . . . . . . 41
Vehicle Security
Vehicle Security . . . . . . . . . . . . . . . . 42
Vehicle Alarm System . . . . . . . . . 42
Immobilizer . . . . . . . . . . . . . . . . . . . . 44
Immobilizer Operation . . . . . . . . . 44
Exterior Mirrors
Convex Mirrors . . . . . . . . . . . . . . . . 45 Trailer-Tow Mirrors . . . . . . . . . . . . . 46
Power Mirrors . . . . . . . . . . . . . . . . . . 46
Folding Mirrors . . . . . . . . . . . . . . . . . 47
Heated Mirrors . . . . . . . . . . . . . . . . . 48
Automatic Dimming Mirror . . . . . 48
Blind Spot Mirrors . . . . . . . . . . . . . . 48
Reverse Tilt Mirrors . . . . . . . . . . . . 49
Interior Mirrors
Interior Rearview Mirrors . . . . . . . 49
Manual Rearview Mirror . . . . . . . . 49
Automatic Dimming Rearview
Mirror . . . . . . . . . . . . . . . . . . . . . . . . . 50
Windows
Windows . . . . . . . . . . . . . . . . . . . . . . . 50
Power Windows . . . . . . . . . . . . . . . 50
Rear Windows . . . . . . . . . . . . . . . . . 52
Sun Visors . . . . . . . . . . . . . . . . . . . . . 53
Roof
Sunroof . . . . . . . . . . . . . . . . . . . . . . . . 53
Keys and Locks
Keys
{Warning
Leaving children in a vehicle with
the ignition key is dangerous and
children or others could be
seriously injured or killed. They
could operate the power windows
or other controls or make the
vehicle move. The windows will
function with the keys in the
ignition, and children or others
could be caught in the path of a
closing window. Do not leave
children in a vehicle with the
ignition key.

GMC Sierra Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
9234758) - 2016 - crc - 11/9/15
36 Keys, Doors, and Windows
PressingQarms the alarm system.
See Vehicle Alarm System 042.
If equipped with auto mirror folding,
pressing and holding
Qfor
one second will fold the mirrors. The
auto mirror folding feature will not
operate unless it is enabled. See
Folding Mirrors 047 and Vehicle
Personalization 0163.
K(Unlock) : Press once to unlock
only the driver door. If
Kis pressed
again within three seconds, all
remaining doors and the tailgate
unlock. The interior lamps may
come on and stay on for 20 seconds
or until the ignition is turned on.
If enabled in Vehicle
Personalization, the turn signal
lamps flash twice to indicate
unlocking has occurred. See Vehicle
Personalization 0163. If enabled
through the DIC, the exterior lamps
may turn on. See Vehicle
Personalization 0163.
Pressing
Kon the RKE transmitter
disarms the alarm system. See
Vehicle Personalization 0163. If equipped with auto mirror folding,
pressing and holding
Kfor
one second will unfold the mirrors.
The auto mirror folding feature will
not operate unless it is enabled.
See Folding Mirrors 047 and
Vehicle Personalization 0163.
On some models, press, release
and then press and hold
Kto open
all of the windows. Pressing the
button again will stop the windows.
See Vehicle Alarm System 042.
7(Vehicle Locator/Panic
Alarm) : Press and release one
time to initiate vehicle locator. The
turn signal lamps flash and the horn
sounds three times.
Press and hold
7for at least
three seconds to sound the panic
alarm. The turn signal lamps flash
and the horn sounds repeatedly for
30 seconds. The alarm turns off
when the ignition is moved to ON/
RUN or
7is pressed again. The
ignition must be in LOCK/OFF for
the panic alarm to work.
Programming Transmitters to
the Vehicle
Only RKE transmitters programmed
to this vehicle will work. If a
transmitter is lost or stolen, a
replacement can be purchased and
programmed through your dealer.
Each vehicle can have up to
eight transmitters programmed to it.
See your dealer for transmitter
programming.
Battery Replacement
Replace the battery in the
transmitter soon if the REPLACE
BATTERY IN REMOTE KEY
message displays in the DIC.
Caution
When replacing the battery, do
not touch any of the circuitry on
the transmitter. Static from your
body could damage the
transmitter.

GMC Sierra Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
9234758) - 2016 - crc - 11/9/15
Keys, Doors, and Windows 39
Warning (Continued)
.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 039.
From inside, pull the door handle
once to unlock the door. Pull the
handle again to open the door. See
Vehicle Alarm System 042.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 0163.
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
Kon a door.
. Shift the transmission into
P (Park).

GMC Sierra Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
9234758) - 2016 - crc - 11/9/15
44 Keys, Doors, and Windows
The inclination sensor can set off
the alarm if it senses movement of
the vehicle, such as a change in
vehicle orientation.
The intrusion sensor monitors the
vehicle interior, and can activate the
alarm if it senses unauthorized entry
into the vehicle’s interior. Do not
allow passengers or pets to remain
in the vehicle when the intrusion
sensor is activated.
Before arming the theft-deterrent
system and activating the intrusion
sensor:
.Make sure all doors and
windows are completely closed.
. Secure any loose items such as
sunshades.
. Make sure there are no
obstructions blocking the
sensors in the front overhead
console.
. Close DVD screens, if equipped,
before leaving the vehicle.Inclination and Intrusion
Sensors Disable Switch
It is recommended that the intrusion
and inclination sensors be
deactivated if pets are left in the
vehicle or if the vehicle is being
transported.
With the vehicle turned off, press
oin the front overhead console.
The indicator light will come on
momentarily, indicating that these
sensors have been disabled for the
next alarm system arming cycle.
Immobilizer
See Radio Frequency
Statement 0482.
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.

GMC Sierra Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
9234758) - 2016 - crc - 11/9/15
50 Keys, Doors, and Windows
Automatic Dimming
Rearview Mirror
If equipped, automatic dimming
reduces the glare of headlamps
from behind. The dimming feature
comes on when the vehicle is
started.
Windows
{Warning
Never 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 apulsing 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
{Warning
Children 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
032.