GMC SIERRA 1500 2012 User Guide

Black plate (5,1)GMC Sierra Owner Manual - 2012 - CRC - 11/15/11
In Brief 1-5
2NOTES

Black plate (6,1)GMC Sierra Owner Manual - 2012 - CRC - 11/15/11
1-6 In Brief
Instrument Panel (Premium Version)

Black plate (7,1)GMC Sierra Owner Manual - 2012 - CRC - 11/15/11
In Brief 1-7
A.Air Vents on page 8‑10.
B. Turn and Lane‐Change Lever. See Turn and Lane-Change
Signals on page 6‑5.
Windshield Wiper/Washer on
page 5‑4.
C. Instrument Cluster on
page 5‑12.
D. Hazard Warning Flashers on
page 6‑5 (Out of View).
E. Shift Lever. See Automatic
Transmission on page 9‑35.
Range Selection Mode
(If Equipped). See Manual
Mode on page 9‑38.
F. Tow/Haul Mode on page 9‑39
(If Equipped).
G. Driver Information Center (DIC) Buttons. See Driver Information
Center (DIC) on page 5‑30. H.
Infotainment on page 7‑1.
I. Exterior Lamp Controls on
page 6‑1.
J. Integrated Trailer Brake Controller (If Equipped). See
Trailer Towing on page 9‑78.
K. Dome Lamps on page 6‑8.
L. Automatic Transfer Case Control (If Equipped). See
Four-Wheel Drive on
page 10‑30.
M. Data Link Connector (DLC) (Out of View). See Malfunction
Indicator Lamp on page 5‑22.
N. Hood Release. See Hood on
page 10‑5.
O. Parking Brake on page 9‑54.
P. Cruise Control on page 9‑58. Q.
Steering Wheel Adjustment on
page 5‑2.
R. Horn on page 5‑4.
S. Steering Wheel Controls on
page 5‑2.
T. Climate Control Systems (with
Air Conditioning) on page 8‑1 or
Climate Control Systems (with
Heater Only) on page 8‑4
(If Equipped).
Dual Automatic Climate
Control System on page 8‑5
(If Equipped).
U. Power Outlets on page 5‑9.
Cigarette Lighter (If Equipped).
See Ashtrays on page 5‑11 and
Cigarette Lighter on page 5‑10.

Black plate (8,1)GMC Sierra Owner Manual - 2012 - CRC - 11/15/11
1-8 In Brief
V.StabiliTrak®System on
page 9‑55 (If Equipped).
Pedal Adjust Button (If
Equipped). See Adjustable
Throttle and Brake Pedal on
page 9‑25.
Ultrasonic Parking Assist on
page 9‑61 (If Equipped).
Exhaust Brake (If Equipped).
See “Brakes” in the Duramax
diesel supplement.
W. Passenger Airbag Off Control (If Equipped). See Airbag On-Off
Switch on page 3‑29.Initial Drive
Information
This section provides a brief
overview about some of the
important features that may or may
not be on your specific vehicle.
For more detailed information, refer
to each of the features which can be
found later in this owner manual.
Remote Keyless Entry
(RKE) System
The RKE transmitter is used to
remotely lock and unlock the doors
from up to 60 m (195 ft) away from
the vehicle.
K: Press to unlock the driver door.
Press
Kagain within three seconds
to unlock all remaining doors.
Q: Press to lock all doors. Lock
and unlock feedback can be
personalized. See Vehicle
Personalization (With DIC Buttons)
on page 5‑48.
L: Press and release to locate
the vehicle. Press
Land hold for
more than two seconds to sound the
panic alarm. Press
Lagain to
cancel the panic alarm.

Black plate (9,1)GMC Sierra Owner Manual - 2012 - CRC - 11/15/11
In Brief 1-9
SeeKeys on page 2‑2 andRemote
Keyless Entry (RKE) System
Operation on page 2‑3.
Remote Vehicle Start
With this feature the engine can be
started from outside of the vehicle.
Starting the Vehicle
1. Aim the RKE transmitter at the
vehicle.
2. Press and release
Q.
3. Immediately after completing Step 2, press and hold
/until
the turn signal lamps flash.
When the vehicle starts, the parking
lamps will turn on and remain on as
long as the engine is running. The
doors will be locked and the climate
control system may come on. The engine will continue to run for
10 minutes. Repeat the steps for a
10-minute time extension. Remote
start can be extended only once.
Canceling a Remote Start
To cancel a remote start:
.Aim the RKE transmitter at
the vehicle and press and
hold
/until the parking lamps
turn off.
.Turn on the hazard warning
flashers.
.Turn the ignition on and then
back off.
See Remote Vehicle Start on
page 2‑5.
Door Locks
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 or the manual door locks. To
lock or unlock the door with the
manual locks, push down or pull up
on the manual lock knob.

Black plate (10,1)GMC Sierra Owner Manual - 2012 - CRC - 11/15/11
1-10 In Brief
Power Door Locks
Crew Cab Premium Trim Shown,Up-Level Similar
Base Trim
For vehicles with power door locks:
Q: Press to lock the doors.
K: Press to unlock the doors.
See Door Locks on page 2‑7 and
Power Door Locks on page 2‑8 for
more information.
Windows
Manual Windows
Turn the hand crank on each door
to manually raise or lower the
manual windows.
Power 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 work when the ignition

Black plate (11,1)GMC Sierra Owner Manual - 2012 - CRC - 11/15/11
In Brief 1-11
is in ON/RUN or ACC/
ACCESSORY, or Retained
Accessory Power (RAP). See
Retained Accessory Power (RAP)
on page 9‑29.
Press the switch to lower the
window. Pull the switch up to
raise it.
For more information, see:
.Windows on page 2‑19.
.Power Windows on page 2‑20.
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.
SeeRetained Accessory Power
(RAP) on page 9‑29
.Push the switch to open the
window.
.Pull the switch to close the
window.
The power sliding rear window
cannot be operated manually.
Seat Adjustment
Manual Seats
To adjust the seat:
1. Lift the bar to unlock the seat.
2. Slide the seat to the desired position and release the bar.
3. Try to move the seat back and forth to be sure the seat is
locked in place.
See Seat Adjustment on page 3‑3.

Black plate (12,1)GMC Sierra Owner Manual - 2012 - CRC - 11/15/11
1-12 In Brief
Power Seats
To adjust a power seat, if equipped:
.Move the seat forward or
rearward by sliding the control
forward or rearward.
.If available, raise or lower the
front or rear part of the seat
cushion by moving the front or
rear of the control up or down.
.If available, raise or lower the
entire seat by moving the entire
control up or down.
See Power Seat Adjustment on
page 3‑4.
Lumbar Adjustment
Manual Lumbar
If equipped, increase or decrease
manual lumbar support by turning
the knob forward or rearward.
See Lumbar Adjustment on
page 3‑4. Power Lumbar
To adjust the power lumbar support,
if equipped:
.On vehicles with two-way
lumbar, press and hold the top
or bottom of the control to
increase or decrease lumbar
support.

Black plate (13,1)GMC Sierra Owner Manual - 2012 - CRC - 11/15/11
In Brief 1-13
.On vehicles with four-way
lumbar, press and hold the front
or rear of the control to increase
or decrease lumbar support. To
raise or lower the height of the
support, press and hold the top
or bottom of the control.
See Lumbar Adjustment on
page 3‑4.Reclining Seatbacks
Manual Reclining Seatbacks
To recline a manual seatback:
1. Lift the lever.
2. Move the seatback to the desired position, and 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 on
page 3‑5.

Black plate (14,1)GMC Sierra Owner Manual - 2012 - CRC - 11/15/11
1-14 In Brief
Power Reclining Seatbacks
To adjust a power seatback,
if equipped:
.Tilt the top of the control
rearward to recline.
.Tilt the top of the control forward
to raise.
See Reclining Seatbacks on
page 3‑5.
Memory Features
On vehicles with the memory
feature, the controls on the driver
door are used to program and recall
memory settings for the driver seat,
outside mirrors, and the adjustable
throttle and brake pedals,
if equipped. Storing Memory Positions
To save into memory:
1. Adjust the driver seat and
seatback recliner, both outside
mirrors, and the throttle and
brake pedals, if equipped.
See Power Mirrors on page 2‑15
and Adjustable Throttle and
Brake Pedal on page 9‑25.
Not all mirrors and adjustable
throttle and brake pedals will
have the ability to save and
recall their positions.
2. Press and hold “1”until
two beeps sound.
3. Repeat for a second driver position using “2.”
To recall, press and release “1”
or “2.” The vehicle must be in
P (Park). A single beep will sound.
The seat, outside mirrors, and
adjustable throttle and brake pedals,
if equipped, will move to the position
previously stored for the identified
driver.