door lock GMC SIERRA 1500 2012 Owner's Manual

Black plate (14,1)GMC Sierra Owner Manual - 2012 - CRC - 11/15/11
2-14 Keys, Doors, and Windows
4. Insert the new key to beprogrammed and turn it to the
ON/RUN position within
five seconds of turning the
ignition to the LOCK/OFF
position in Step 3.
The security light will turn off
once the key has been
programmed.
5. Repeat Steps 1 through 4 if additional keys are to be
programmed.
If you lose or damage your
PASS-Key III+ key, see your dealer
or a locksmith who can service
PASS-Key III+ to have a new
key made.
Do not leave the key or device
that disarms or deactivates the
theft-deterrent system in the vehicle.Exterior Mirrors
Convex Mirrors
{WARNING
A convex mirror can make things,
like other vehicles, look farther
away than they really are. If you
cut too sharply into the right lane,
you could hit a vehicle on the
right. Check the inside mirror or
glance over your shoulder before
changing lanes.
The passenger side mirror is convex
shaped. A convex mirror's surface is
curved so more can be seen from
the driver seat.
Manual Mirrors
If the vehicle has manual mirrors,
they can be adjusted by moving the
mirror up and down or left to right to
see a little of the side of the vehicle,
and have a clear view behind the
vehicle.
Using hood-mounted air deflectors
and add-on convex mirror
attachments could decrease mirror
performance.

Black plate (17,1)GMC Sierra Owner Manual - 2012 - CRC - 11/15/11
Keys, Doors, and Windows 2-17
Manual Folding
If equipped with manual folding
mirrors, push the mirror toward the
vehicle. Push the mirror outward, to
return to its original position.
Manually fold the mirrors inward to
prevent damage when going
through an automatic car wash.
Automatic Dimming
If equipped with an automatic
dimming mirror, the driver outside
mirror automatically dimes for the
glare of the headlamps from behind.
This feature is controlled by the on
and off setting on the inside
rearview mirror.
SeeAutomatic Dimming Rearview
Mirror on page 2‑18.
Turn Signal Indicator
The vehicle may also have a turn
signal indicator on the mirror. An
arrow on the mirror flashes in the
direction of the turn or lane change.
Heated Mirrors
For vehicles with heated mirrors:
1(Rear Window Defogger):
Press to heat the mirrors. If the
vehicle has a towing mirror, only the
upper glass of the mirror is heated.
The lower convex part of the towing
mirror is not heated.
Depending on the vehicle's features,
see “Rear Window Defogger” under
Climate Control Systems (with Air
Conditioning) on page 8‑1 or
Climate Control Systems (with
Heater Only) on page 8‑4 orDual
Automatic Climate Control System
on page 8‑5 for more information.
Park Tilt Mirrors
If the vehicle has the memory
package, the passenger and/or
driver mirror tilts to a preselected
position when the vehicle is in
R (Reverse). This feature lets the
driver view the curb when parallel
parking. The mirror(s) return to the
original position when the vehicle is
shifted out of R (Reverse), or the
ignition is turned off or to
OFF/LOCK.
Turn this feature on or off through
the Driver Information Center (DIC).
SeeVehicle Personalization (With
DIC Buttons) on page 5‑48 for more
information.

Black plate (20,1)GMC Sierra Owner Manual - 2012 - CRC - 11/15/11
2-20 Keys, Doors, and Windows
Power Windows
{WARNING
Leaving children in a vehicle with
the keys is dangerous for many
reasons. Children or others could
be badly injured or even killed.
They could operate the power
windows or other controls or even
make the vehicle move. The
windows will function and they
could be seriously injured or killed
if caught in the path of a closing
window. Do not leave keys in a
vehicle with children.
When there are children in the
rear seat use the window lockout
button to prevent unintentional
operation of the windows.
Crew Cab Premium Trim Shown,Others Models Similar
The driver door has a switch
to control all windows. Each
passenger door has a switch to
control that window. The power
windows only work when the
ignition is in ON/RUN or ACC/
ACCESSORY, or when Retained
Accessory Power (RAP) is active.
See Retained Accessory Power
(RAP) on page 9‑29. Push the switch down to lower the
window, and pull up the front of the
switch to raise the window.
Express-down Windows
The express-down feature allow the
driver and front passenger windows
to be lowered without holding the
switch. Push the switch down to the
second detent, then release, to
activate the express-down mode.
The express-down mode can be
canceled at any time by pulling up
on the front of the switch. To open
the window partway, push the switch
down to the first detent until the
window is at the desired position.

Black plate (21,1)GMC Sierra Owner Manual - 2012 - CRC - 11/15/11
Keys, Doors, and Windows 2-21
Window Lockout
Crew Cab Premium Trim Shown,Others Models Similar
o(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.
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 for more
information.
.Push 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 to extend along the rod,
if available.

Black plate (22,1)GMC Sierra Owner Manual - 2012 - CRC - 11/15/11
2-22 Keys, Doors, and Windows
Roof
Sunroof (Extended Cab)
On vehicles with a sunroof, the
sunroof only operates when the
ignition is in the ACC/ACCESSORY
or ON/RUN or the Retained
Accessory Power (RAP) is active.
SeeRetained Accessory Power
(RAP) on page 9‑29 for more
information. Vent:
From the closed position,
press and hold the rear of the switch
to vent the sunroof. To close the
sunroof, press and hold the front of
the switch.
Open: From the vent position,
the sunroof can be fully opened
either manually or by using the
express-open feature. To open
manually, press the rear of the
switch to the first detent and hold
until the sunroof has reached the
desired position. To open using
express-open, press the rear of the
switch to the second detent and
release. The sunroof will move to
the full open position. To stop the
sunroof partway, press the switch a
second time.
Close: From the vent, or open
position, press and hold the front of
the switch to close the sunroof.
The sunroof also has a roller
sunshade that can be used to
block the rays of the sun. The
roller sunshade can be manually
operated with the sunroof in an open or closed position. To open the
sunshade, press and unlatch it, and
roll it back. To close, pull it forward
and latch it into the closed position.
When the sunroof is opened, an air
deflector will automatically raise.
The air deflector will retract when
the sunroof is closed.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.

Black plate (23,1)GMC Sierra Owner Manual - 2012 - CRC - 11/15/11
Keys, Doors, and Windows 2-23
Sunroof (Crew Cab)
A. Open or Close
B. Vent
On vehicles with a sunroof, the
sunroof only operates when the
ignition is in the ACC/ACCESSORY
or ON/RUN or the Retained
Accessory Power (RAP) is active.
SeeRetained Accessory Power
(RAP) on page 9‑29 for more
information.
Vent: From the closed position,
press the rear of the passenger side
switch (B) to vent the sunroof. Manual-Open/Manual-Close:
To
open the sunroof, press and hold
the rear of the driver side switch (A)
until the sunroof reaches the
desired position. Press and hold the
front of the driver side switch to
close it.
Express-Open/Express-Close:
To express-open the sunroof, fully
press and release the rear of the
driver side switch (A) until the
sunroof reaches the desired
position. To express-close the
sunroof, fully press and release
the front of the driver side 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.

Black plate (8,1)GMC Sierra Owner Manual - 2012 - CRC - 11/15/11
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 5‑48.
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 5‑48.

Black plate (25,1)GMC Sierra Owner Manual - 2012 - CRC - 11/15/11
Seats and Restraints 3-25
{WARNING
If something is between an
occupant and an airbag, the
airbag might not inflate properly
or it might force the object into
that person causing severe injury
or even death. The path of an
inflating airbag must be kept
clear. Do not put anything
between an occupant and an
airbag, and do not attach or put
anything on the steering wheel
hub or on or near any other
airbag covering.
Do not use seat accessories that
block the inflation path of a
seat-mounted side impact airbag.
Never secure anything to the roof
of a vehicle with roof-rail airbags
by routing a rope or tie‐down
through any door or window
opening. If you do, the path of an
inflating roof-rail airbag will be
blocked.
When Should an Airbag
Inflate?
Frontal airbags are designed to
inflate in moderate to severe frontal
or near-frontal crashes to help
reduce the potential for severe
injuries mainly to the driver's or right
front passenger's head and chest.
However, they are only designed
to inflate if the impact exceeds a
predetermined deployment
threshold. Deployment thresholds
are used to predict how severe a
crash is likely to be in time for the
airbags to inflate and help restrain
the occupants.
Whether the frontal airbags will
or should deploy is not based on
how fast your vehicle is traveling.
It depends largely on what you hit,
the direction of the impact, and how
quickly your vehicle slows down.Frontal airbags may inflate at
different crash speeds. For
example:.If the vehicle hits a stationary
object, the airbags could inflate
at a different crash speed than if
the vehicle hits a moving object.
.If the vehicle hits an object that
deforms, the airbags could
inflate at a different crash speed
than if the vehicle hits an object
that does not deform.
.If the vehicle hits a narrow object
(like a pole), the airbags could
inflate at a different crash speed
than if the vehicle hits a wide
object (like a wall).
.If the vehicle goes into an object
at an angle, the airbags could
inflate at a different crash speed
than if the vehicle goes straight
into the object.
Thresholds can also vary with
specific vehicle design.

Black plate (28,1)GMC Sierra Owner Manual - 2012 - CRC - 11/15/11
3-28 Seats and Restraints
The parts of the airbag that come
into contact with you may be warm,
but not too hot to touch. There may
be some smoke and dust coming
from the vents in the deflated
airbags. Airbag inflation does not
prevent the driver from seeing out of
the windshield or being able to steer
the vehicle, nor does it prevent
people from leaving the vehicle.
{WARNING
When an airbag inflates, there
may be dust in the air. This dust
could cause breathing problems
for people with a history of
asthma or other breathing trouble.
To avoid this, everyone in the
vehicle should get out as soon as
it is safe to do so. If you have
breathing problems but cannot
get out of the vehicle after an
airbag inflates, then get fresh air
by opening a window or a door.
If you experience breathing(Continued)
WARNING (Continued)
problems following an airbag
deployment, you should seek
medical attention.
The vehicle may have a feature
that may automatically unlock the
doors, turn on the interior lamps and
hazard warning flashers, and shut
off the fuel system after the airbags
inflate. You can lock the doors, turn
off the interior lamps and hazard
warning flashers by using the
controls for those features.
{WARNING
A crash severe enough to
inflate the airbags may have also
damaged important functions in
the vehicle, such as the fuel
system, brake and steering
systems, etc. Even if the vehicle
appears to be drivable after a (Continued)
WARNING (Continued)
moderate crash, there may be
concealed damage that could
make it difficult to safely operate
the vehicle.
Use caution if you should attempt
to restart the engine after a crash
has occurred.
In many crashes severe enough to
inflate the airbag, windshields are
broken by vehicle deformation.
Additional windshield breakage
may also occur from the right front
passenger airbag.
.Airbags are designed to inflate
only once. After an airbag
inflates, you will need some
new parts for the airbag system.
If you do not get them, the
airbag system will not be there
to help protect you in another
crash. A new system will include
airbag modules and possibly

Black plate (1,1)GMC Sierra Owner Manual - 2012 - CRC - 11/15/11
Instruments and Controls 5-1
Instruments and
Controls
Controls
Steering Wheel Adjustment . . . 5-2
Steering Wheel Controls . . . . . . 5-2
Horn . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4
Windshield Wiper/Washer . . . . . 5-4
Compass . . . . . . . . . . . . . . . . . . . . . 5-5
Clock . . . . . . . . . . . . . . . . . . . . . . . . . 5-7
Power Outlets . . . . . . . . . . . . . . . . . 5-9
Cigarette Lighter . . . . . . . . . . . . . 5-10
Ashtrays . . . . . . . . . . . . . . . . . . . . . 5-11
Warning Lights, Gauges, and
Indicators
Warning Lights, Gauges, andIndicators . . . . . . . . . . . . . . . . . . . 5-11
Instrument Cluster . . . . . . . . . . . 5-12
Speedometer . . . . . . . . . . . . . . . . 5-13
Odometer . . . . . . . . . . . . . . . . . . . . 5-13
Trip Odometer . . . . . . . . . . . . . . . 5-13
Tachometer . . . . . . . . . . . . . . . . . . 5-13
Fuel Gauge . . . . . . . . . . . . . . . . . . 5-14
Engine Oil Pressure Gauge . . . . . . . . . . . . . . . . . . . . . . 5-15 Engine Coolant Temperature
Gauge . . . . . . . . . . . . . . . . . . . . . . 5-16
Voltmeter Gauge . . . . . . . . . . . . . 5-16
Safety Belt Reminders . . . . . . . 5-17
Airbag Readiness Light . . . . . . 5-18
Airbag On-Off Light . . . . . . . . . . 5-19
Passenger Airbag Status Indicator . . . . . . . . . . . . . . . . . . . . 5-21
Charging System Light . . . . . . 5-22
Malfunction Indicator Lamp . . . . . . . . . . . . . 5-22
Brake System Warning Light . . . . . . . . . . . . . . . . . . . . . . . 5-25
Antilock Brake System (ABS) Warning Light . . . . . . . . . . . . . . 5-26
Four-Wheel-Drive Light . . . . . . 5-26
Tow/Haul Mode Light . . . . . . . . 5-26
StabiliTrak
®OFF Light . . . . . . . 5-27
Traction Control System (TCS)/StabiliTrak
®Light . . . . 5-27
Tire Pressure Light . . . . . . . . . . 5-27
Engine Oil Pressure Light . . . . 5-28
Low Fuel Warning Light . . . . . . 5-28
Security Light . . . . . . . . . . . . . . . . 5-29
High-Beam On Light . . . . . . . . . 5-29
Front Fog Lamp Light . . . . . . . . 5-29
Cruise Control Light . . . . . . . . . 5-30
Information Displays
Driver Information Center (DIC) . . . . . . . . . . . . . . . 5-30
Vehicle Messages
Vehicle Messages . . . . . . . . . . . 5-39
Battery Voltage and ChargingMessages . . . . . . . . . . . . . . . . . . 5-39
Brake System Messages . . . . 5-40
Door Ajar Messages . . . . . . . . . 5-40
Engine Cooling System Messages . . . . . . . . . . . . . . . . . . 5-41
Engine Oil Messages . . . . . . . . 5-42
Engine Power Messages . . . . 5-42
Fuel System Messages . . . . . . 5-43
Key and Lock Messages . . . . . 5-43
Lamp Messages . . . . . . . . . . . . . 5-43
Object Detection System Messages . . . . . . . . . . . . . . . . . . 5-43
Ride Control System Messages . . . . . . . . . . . . . . . . . . 5-44
Airbag System Messages . . . . 5-45
Anti-theft Alarm System Messages . . . . . . . . . . . . . . . . . . 5-45
Starting the Vehicle Messages . . . . . . . . . . . . . . . . . . 5-45
Tire Messages . . . . . . . . . . . . . . . 5-45