Page 50 of 594

Black plate (6,1)GMC Sierra Owner Manual - 2011
2-6 Keys, Doors and Windows
Do not use the remote start
feature if the vehicle is low on fuel.
The vehicle may run out of fuel.
If the vehicle has the remote
start feature, the RKE transmitter
functions will have an increased
range of operation. However,
the range may be less while
the vehicle is running.
There are other conditions which
can affect the performance of the
transmitter. SeeRemote Keyless
Entry (RKE) System on page 2‑3
for additional information.
/(Remote Start): This button will
be on the RKE transmitter if the
vehicle has remote start. To start the vehicle using the remote
start feature:
1. Aim the transmitter at the
vehicle.
2. Press and release
Q.
The vehicle's doors will
lock. Immediately press and
hold
/until the turn signal
lamps flash. If you cannot see
the vehicle's lamps, press and
hold
/for two to four seconds.
Pressing
/again after the
vehicle has started will turn
the engine off.
When the vehicle starts, the
parking lamps will turn on and
remain on while the vehicle is
running.
If the vehicle is left running,
it will automatically shut off
after 10 minutes unless a time
extension has been done. 3. If it is the first remote start since
the vehicle has been driven,
repeat these steps, while the
engine is still running, to extend
the engine running time by
10 minutes. Remote start can
be extended one time.
After entering the vehicle during a
remote start, insert and turn the key
to ON/RUN to drive the vehicle.
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.
Page 52 of 594

Black plate (8,1)GMC Sierra Owner Manual - 2011
2-8 Keys, Doors and Windows
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
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.(Continued)
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 or manual door locks. To lock
or unlock the door with the manual
locks, push down or pull up on the
manual lock knob.
Power Door Locks
With power door locks, the switches
on the front doors can be used to
lock and unlock the vehicle.
K(Unlock):
Press to unlock the
doors.
Q(Lock): Press to lock the doors.
Delayed Locking
The vehicle may have the delayed
locking feature. When locking the
doors with the power lock switch
and a door is open, the doors will
lock five seconds after the last door
is closed. You will hear three chimes
to signal that the delayed locking
feature is in use.
Page 54 of 594
Black plate (10,1)GMC Sierra Owner Manual - 2011
2-10 Keys, Doors and Windows
Doors
Rear Doors
(Extended Cab)
To open a rear access door from
the outside, first open the front door.
Then, use the handle located on the
front edge of the rear access door to
open it.The rear access door must be
closed before the front door can
close.
To open a rear access door from
the inside, first open the front door.
Then, use the handle located on
the inside of the rear access door
to open.
Tailgate
{WARNING
It 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.
Page 59 of 594

Black plate (15,1)GMC Sierra Owner Manual - 2011
Keys, Doors and Windows 2-15
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
Adjust the outside mirrors for a
clearer view.
Using hood-mounted air deflectors
and add-on convex mirror
attachments could decrease
mirror performance.
Trailer-Tow Mirrors
If the vehicle has towing mirrors,
they can be adjusted for a clearer
view of the objects behind you. Manually pull out the mirror head to
extend it for better visibility when
towing a trailer.
The lower portion of the mirror is
convex. A convex mirror's surface
is curved to see more from the
driver seat. The convex mirror can
be adjusted manually to the driver
preferred position for better vision.
The mirror may have a turn signal
arrow that flashes in the direction
of the turn or lane change.
Page 62 of 594

Black plate (18,1)GMC Sierra Owner Manual - 2011
2-18 Keys, Doors and Windows
Interior Mirrors
Manual Rearview Mirror
Hold the mirror in the center to
move it for a clearer view of behind
your vehicle. Adjust the mirror to
avoid glare from the headlamps
behind you. Push the tab at the
bottom of the mirror forward
for daytime use and pull it for
nighttime use.
Automatic Dimming
Rearview Mirror
The vehicle may have an automatic
dimming inside rearview mirror.
Automatic dimming reduces the
glare from the headlamps of the
vehicle behind you. The dimming
feature comes on and the indicator
light illuminates each time the
ignition is turned to start.
O(On/Off):Press to turn the
dimming feature on or off. The vehicle may also have a Rear
Vision Camera (RVC). See
Rear
Vision Camera (RVC) on page 9‑78
for more information.
If the vehicle has RVC, the
Obutton
for turning the dimming feature on or
off will not be available.
Vehicles with OnStar have three
additional control buttons for the
OnStar system. See your dealer
for more information about OnStar
and how to subscribe to it. See the
OnStar Owner Guide for more
information about the services
OnStar provides.
Cleaning the Mirror
Do not spray glass cleaner directly
on the mirror. Use a soft towel
dampened with water.
Windows
{WARNING
Leaving children, helpless adults,
or pets in a vehicle with the
windows closed is dangerous.
They can be overcome by
the extreme heat and suffer
permanent injuries or even death
from heat stroke. Never leave a
child, a helpless adult, or a pet
alone in a vehicle, especially with
the windows closed in warm or
hot weather.
Page 63 of 594

Black plate (19,1)GMC Sierra Owner Manual - 2011
Keys, Doors and Windows 2-19
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).
Manual Windows
Turn the hand crank on each door
to manually raise or lower the
manual 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 Shown
If the vehicle has power windows,
controls are located on each door.
The driver door has a switch for
the passenger and rear windows as
well. The power windows will 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 9‑40.
Push the switch down to lower the
window, and pull up the front of the
switch to raise the window.
Page 70 of 594
Black plate (2,1)GMC Sierra Owner Manual - 2011
3-2 Seats and Restraints
Head Restraints
The front seats have adjustable
head restraints in the outboard
seating positions.
{WARNING
With head restraints that are
not installed and adjusted
properly, there is a greater
chance that occupants will suffer
a neck/spinal injury in a crash.
Do not drive until the head
restraints for all occupants are
installed and adjusted properly.
Adjust the head restraint so that the
top of the restraint is at the same
height as the top of the occupant's
head. This position reduces the
chance of a neck injury in a crash.Pull the head restraint up to raise it.
To lower the head restraint, press
the button, located on the top
of the seatback, and push the
restraint down.
Push down on the head restraint
after the button is released to make
sure that it is locked in place.
The head restraints are not
designed to be removed.
The rear seat has headrests that
can be adjusted up and down.
Page 71 of 594
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.