seat adjustment GMC SIERRA 2011 Owner's Manual

Black plate (1,1)GMC Sierra Owner Manual - 2011
In Brief 1-1
In Brief
Instrument Panel
Instrument Panel(Base/Uplevel Version) . . . . . . 1-2
Instrument Panel (Premium Version) . . . . . . . . . . . 1-6
Initial Drive Information
Initial Drive Information . . . . . . . . 1-8
Remote Keyless Entry (RKE)System . . . . . . . . . . . . . . . . . . . . . . 1-8
Remote Vehicle Start . . . . . . . . . 1-9
Door Locks . . . . . . . . . . . . . . . . . . . 1-9
Windows . . . . . . . . . . . . . . . . . . . . . 1-10
Seat Adjustment . . . . . . . . . . . . . 1-11
Memory Features . . . . . . . . . . . . 1-13
Heated Seats . . . . . . . . . . . . . . . . 1-15
Head Restraint Adjustment . . . . . . . . . . . . . . . . . 1-15 Safety Belts . . . . . . . . . . . . . . . . . . 1-15
Sensing System for
Passenger Airbag . . . . . . . . . . 1-16
Mirror Adjustment . . . . . . . . . . . . 1-16
Steering Wheel Adjustment . . . . . . . . . . . . . . . . . 1-17
Throttle and Brake Pedal Adjustment . . . . . . . . . . . . . . . . . 1-18
Interior Lighting . . . . . . . . . . . . . . 1-18
Exterior Lighting . . . . . . . . . . . . . 1-19
Windshield Wiper/Washer . . . . 1-20
Climate Controls . . . . . . . . . . . . . 1-20
Transmission . . . . . . . . . . . . . . . . 1-23
Four-Wheel Drive . . . . . . . . . . . . 1-24
Vehicle Features
Radio(s) . . . . . . . . . . . . . . . . . . . . . 1-26
Satellite Radio . . . . . . . . . . . . . . . 1-27
Portable Audio Devices . . . . . . 1-28
Bluetooth
®. . . . . . . . . . . . . . . . . . . 1-28
Steering Wheel Controls . . . . . 1-28 Cruise Control . . . . . . . . . . . . . . . 1-29
Navigation System . . . . . . . . . . . 1-30
Driver Information
Center (DIC) . . . . . . . . . . . . . . . 1-30
Rear Vision
Camera (RVC) . . . . . . . . . . . . . 1-31
Ultrasonic Parking Assist . . . . 1-31
Power Outlets . . . . . . . . . . . . . . . 1-32
Universal Remote System . . . 1-32
Sunroof . . . . . . . . . . . . . . . . . . . . . . 1-32
Performance and Maintenance
StabiliTrak®System . . . . . . . . . 1-33
Tire Pressure Monitor . . . . . . . . 1-34
Engine Oil Life System . . . . . . 1-34
Fuel E85 (85% Ethanol) . . . . . 1-35
Driving for Better Fuel Economy . . . . . . . . . . . . . . . . . . . 1-35
Roadside Assistance Program . . . . . . . . . . . . . . . . . . . . 1-36
OnStar
®. . . . . . . . . . . . . . . . . . . . . 1-36

Black plate (11,1)GMC Sierra Owner Manual - 2011
In Brief 1-11
Seat Adjustment
Manual Seats
To adjust the seat:
1. Lift the bar to unlock the seat.
2. Slide the seat to the desiredposition 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
for more information.
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 for more information.
Lumbar Adjustment
Manual Lumbar
If equipped, increase or decrease
manual lumbar support by turning
the knob forward or rearward.
SeeLumbar Adjustment on
page 3‑6 for more information.

Black plate (12,1)GMC Sierra Owner Manual - 2011
1-12 In Brief
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.
.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 3‑6 for more information.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.

Black plate (14,1)GMC Sierra Owner Manual - 2011
1-14 In Brief
Storing Memory Positions
To save into memory:
1. Adjust the driver seat andseatback recliner, both outside
mirrors, and the throttle and
brake pedals, if available.
See Power Mirrors on page 2‑16
and Adjustable Throttle and
Brake Pedal on page 9‑35 for
more information.
Not all mirrors and adjustable
throttles 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 available, will move to the position
previously stored for the identified
driver.
See “Memory Seat, Mirrors,
and Pedals” underPower Seat
Adjustment on page 3‑4 andVehicle
Personalization (with DIC Buttons)
on page 5‑52 for more information. Easy Exit Driver Seat
This feature can move the seat
rearward to allow extra room to
exit the vehicle.
B:
Press to recall the easy exit
seat position. The vehicle must be
in P (Park).
See “Memory Seat, Mirrors,
and Pedals” underPower Seat
Adjustment on page 3‑4 andVehicle
Personalization (with DIC Buttons)
on page 5‑52 for more information.

Black plate (15,1)GMC Sierra Owner Manual - 2011
In Brief 1-15
Heated Seats
If available, the controls are on the
driver and passenger doors.
I:Press to heat the
seatback only.
J: Press to heat the seat and
seatback.
See Heated Front Seats on
page 3‑8.
Head Restraint
Adjustment
Do not drive until the head restraints
for all occupants are installed and
adjusted properly.
To achieve a comfortable seating
position, change the seatback
recline angle as little as necessary
while keeping the seat and the
head restraint height in the proper
position.
For more information see Head
Restraints on page 3‑2 andSeat
Adjustment on page 3‑3.
Safety Belts
Refer to the following sections for
important information on how to use
safety belts properly.
.Safety Belts on page 3‑11.
.How to Wear Safety Belts
Properly on page 3‑15.
.Lap-Shoulder Belt on page 3‑21.
.Lower Anchors and Tethers for
Children (LATCH System) on
page 3‑57.

Black plate (16,1)GMC Sierra Owner Manual - 2011
1-16 In Brief
Sensing System for
Passenger Airbag
The passenger sensing system,
if equipped, turns off the right
front passenger frontal airbag
under certain conditions. The driver
airbags, seat‐mounted side impact
airbags and roof‐rail airbags are not
affected by this.
If the vehicle has one of the
indicators pictured in the following
illustrations, then the vehicle has a
passenger sensing system for the
right front passenger position unless
there is an airbag off switch located
in the glove box.
If there is an airbag off switch, the
vehicle does not have a passenger
sensing system. SeeAirbag On-Off
Switch on page 3‑37 for more
information. The passenger airbag status
indicator will be visible on the
overhead console when the
vehicle is started.
United States
Canada and Mexico
See Passenger Sensing System on
page 3‑40 for important information.
Mirror Adjustment
Exterior Mirrors
Vehicles with outside power mirrors
and foldaway mirrors have controls
located on the driver door.
1. Press (A) or (B) to select the
driver or passenger side mirror.
2. Press the arrows on the control pad to move the mirror up,
down, right, or left.
3. Press either (A) or (B) again to deselect the mirror.

Black plate (4,1)GMC Sierra Owner Manual - 2011
2-4 Keys, Doors and Windows
K(Unlock):Press once to unlock
only the driver door. If
Kis pressed
again within three seconds, all
remaining doors unlock. The interior
lamps may come on and stay on for
20 seconds or until the ignition is
turned on.
If enabled through the DIC, the turn
signal lamps flash twice to indicate
unlocking has occurred. See Vehicle
Personalization (with DIC Buttons)
on page 5‑52. If enabled through
the DIC, the exterior lights may turn
on. See “Approach Lighting” under
Vehicle Personalization (with DIC
Buttons) on page 5‑52.
Pressing
Kon the RKE transmitter
disarms the content theft‐deterrent
system. See Anti-Theft Alarm
System on page 2‑12.
L(Vehicle Locator/Panic
Alarm): Press and release to
locate the vehicle. The turn signal
lamps flash and the horn sounds
three times. Press and hold
Lfor more than
two seconds to activate 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
Lis pressed again.
The ignition must be in LOCK/OFF
for the panic alarm to work.
The vehicle comes with two
transmitters. Each transmitter will
have a number on it: "1" or "2."
These numbers correspond to the
driver of the vehicle. For example,
the memory seat position for
driver 1 will be recalled when
using the transmitter labeled "1",
if enabled through the DIC.
See “Memory Seat, Mirrors,
and Pedals” underPower Seat
Adjustment on page 3‑4 andVehicle
Personalization (with DIC Buttons)
on page 5‑52 for more information.
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.
When the replacement transmitter
is programmed to this vehicle, all
remaining transmitters must also
be reprogrammed. Any lost or
stolen transmitters will no longer
work once the new transmitter
is programmed. Each vehicle
can have up to eight transmitters
programmed to it. See your dealer
for transmitter programming.
Battery Replacement
Replace the battery if the REPLACE
BATTERY IN REMOTE KEY
message displays in the DIC.
Notice:When replacing the
battery, do not touch any of the
circuitry on the transmitter. Static
from your body could damage the
transmitter.

Black plate (1,1)GMC Sierra Owner Manual - 2011
Seats and Restraints 3-1
Seats and
Restraints
Head Restraints
Head Restraints . . . . . . . . . . . . . . . 3-2
Front Seats
Seat Adjustment . . . . . . . . . . . . . . 3-3
Center Seat . . . . . . . . . . . . . . . . . . . 3-3
Power Seat Adjustment . . . . . . . 3-4
Lumbar Adjustment . . . . . . . . . . . 3-6
Reclining Seatbacks . . . . . . . . . . 3-6
Heated Front Seats . . . . . . . . . . . 3-8
Rear Seats
Rear Seats (Extended CabFull Bench) . . . . . . . . . . . . . . . . . 3-10
Rear Seats (All Split Bench and Hybrid Full Bench) . . . . . 3-11
Safety Belts
Safety Belts . . . . . . . . . . . . . . . . . . 3-11
How to Wear Safety BeltsProperly . . . . . . . . . . . . . . . . . . . . 3-15
Lap-Shoulder Belt . . . . . . . . . . . 3-21
Safety Belt Use During Pregnancy . . . . . . . . . . . . . . . . . . 3-26 Lap Belt (Crew and
Extended Cab) . . . . . . . . . . . . . 3-26
Safety Belt Extender . . . . . . . . . 3-27
Safety System Check . . . . . . . . 3-27
Safety Belt Care . . . . . . . . . . . . . 3-28
Replacing Safety Belt System Parts After a Crash . . . . . . . . . 3-28
Airbag System
Airbag System . . . . . . . . . . . . . . . 3-29
Where Are the Airbags? . . . . . 3-31
When Should an AirbagInflate? . . . . . . . . . . . . . . . . . . . . . 3-32
What Makes an Airbag Inflate? . . . . . . . . . . . . . . . . . . . . . 3-34
How Does an Airbag Restrain? . . . . . . . . . . . . . . . . . . . 3-35
What Will You See After an Airbag Inflates? . . . . . . . . . . . . 3-35
Airbag On-Off Switch . . . . . . . . 3-37
Passenger Sensing System . . . . . . . . . . . . . . . . . . . . . 3-40
Servicing the Airbag-Equipped Vehicle . . . . . . . . . . . . . . . . . . . . . 3-46
Adding Equipment to the Airbag-Equipped Vehicle . . . 3-46
Airbag System Check . . . . . . . . 3-48
Replacing Airbag System Parts After a Crash . . . . . . . . . 3-48
Child Restraints
Older Children . . . . . . . . . . . . . . . 3-49
Infants and YoungChildren . . . . . . . . . . . . . . . . . . . . 3-51
Child Restraint Systems . . . . . 3-54
Where to Put the Restraint . . . 3-56
Lower Anchors and Tethers for Children (LATCH
System) . . . . . . . . . . . . . . . . . . . . 3-57
Replacing LATCH System Parts After a Crash . . . . . . . . . 3-66
Securing Child Restraints (Rear Seat Position) . . . . . . . . 3-66
Securing Child Restraints (Right Front Seat
Position) . . . . . . . . . . . . . . . . . . . 3-69
Securing Child Restraints (Center Front Seat
Position) . . . . . . . . . . . . . . . . . . . 3-78

Black plate (3,1)GMC Sierra Owner Manual - 2011
Seats and Restraints 3-3
Front Seats
Seat Adjustment
{WARNING
You can lose control of the
vehicle if you try to adjust a
manual driver seat while the
vehicle is moving. The sudden
movement could startle and
confuse you, or make you push
a pedal when you do not want to.
Adjust the driver seat only when
the vehicle is not moving.
To adjust the seat:
1. Lift the bar under the front edgeof the seat cushion 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.
Center Seat
If equipped, the center front
seatback doubles as an armrest
and cupholder/storage area for the
driver and passenger when the
center front seat is not used. Do not
use it as a seating position when
the seatback is folded down.

Black plate (4,1)GMC Sierra Owner Manual - 2011
3-4 Seats and Restraints
Power Seat Adjustment
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.To adjust the seatback, see
“Power Reclining Seatbacks”
under
Reclining Seatbacks on page 3‑6.
Memory Seat, Mirrors, and
Pedals
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, seatback
recliner, both outside mirrors,
and the throttle and brake
pedals, if available.
See Power Mirrors on page 2‑16
and Adjustable Throttle and
Brake Pedal on page 9‑35
for more information.
Not all mirrors and adjustable
throttles 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
will move to the position previously
stored for the identified driver.