2015 GMC SIERRA 1500 ignition

Black plate (15,1)GMC Sierra Owner Manual (GMNA Localizing-U.S/Canada/Mexico-
7299746) - 2015 - crc - 11/11/13
Keys, Doors, and Windows 2-15
Folding Mirrors
Power Folding
If equipped with power folding
mirrors:
1. Press
g(2) to fold the mirrors
out to the driving position.
2. Press
g(2) again to fold the
mirrors in to the folded position.
The mirrors may also include a
memory function that works with the
memory seats. See Memory Seats
on page 3-6. Resetting the Power Folding
Mirrors
Reset the power folding mirrors if:
.The mirrors are accidentally
obstructed while folding.
.They are accidentally manually
folded/unfolded.
.The mirrors will not stay in the
unfolded position.
.The mirrors vibrate at normal
driving speeds.
Fold and unfold the mirrors three
times using the mirror controls to
reset them to their normal position.
A popping noise may be heard. This
sound is normal after a manual
folding operation.
Manual Folding
If equipped, push the mirror toward
the vehicle to fold. 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.
Auto Folding Mirrors
If equipped, with the ignition off,
press and hold
Qon the RKE
transmitter for approximately
one second to fold the mirrors.
Press and hold
Kon the RKE
transmitter to unfold the mirrors.
See Remote Keyless Entry (RKE)
System Operation on page 2-3.
This feature is turned on and off
through vehicle personalization. See
Vehicle Personalization on
page 5-45.
Turn Signal Indicator
If equipped, indicator lights on the
mirror flash in the direction of the
turn or lane change.

Black plate (17,1)GMC Sierra Owner Manual (GMNA Localizing-U.S/Canada/Mexico-
7299746) - 2015 - crc - 11/11/13
Keys, Doors, and Windows 2-17
1. When the approaching vehicle isa long distance away, the image
in the main mirror is small and
near the inboard edge of the
mirror.
2. As the vehicle gets closer, the image in the main mirror gets
larger and moves outboard.
3. As the vehicle enters the blind zone, the image transitions from
the main mirror to the blind spot
mirror.
4. When the vehicle is in the blind zone, the image only appears in
the blind spot mirror.
Using the Outside Mirror with
the Blind Spot Mirror
1. Set the main mirror so that theside of the vehicle can just be
seen and the blind spot mirror
has an unobstructed view.
2. When checking for traffic or before changing a lane, look at
the main driver/passenger side
mirror to observe traffic in the
adjacent lane, behind your vehicle. Check the blind spot
mirror for a vehicle in the blind
zone. Then, glance over your
shoulder to double check before
moving slowly into the
adjacent lane.
Reverse Tilt Mirrors
If equipped with the memory
package, the passenger and/or
driver mirror tilts to a preselected
position when the vehicle is in
R (Reverse). This feature allows the
driver to view the curb when parallel
parking. The mirror(s) return to the
original position when the vehicle is
shifted out of R (Reverse), the
ignition is turned off, or if the vehicle
is driven in (R) above a
predetermined speed.
Turn this feature on or off through
vehicle personalization. See
Vehicle
Personalization on page 5-45.
Interior Mirrors
Interior Rearview Mirrors
Adjust the rearview mirror for a clear
view of the area behind your
vehicle.
If equipped with OnStar, the vehicle
may have three control buttons at
the bottom of the mirror. See your
dealer for more information about
OnStar and how to subscribe to it.
See OnStar Overview on page 14-1.
Do not spray glass cleaner directly
on the mirror. Use a soft towel
dampened with water.
Manual Rearview Mirror
If equipped, push the tab forward for
daytime use and pull it rearward for
nighttime use to avoid glare from
the headlamps from behind.

Black plate (19,1)GMC Sierra Owner Manual (GMNA Localizing-U.S/Canada/Mexico-
7299746) - 2015 - crc - 11/11/13
Keys, Doors, and Windows 2-19
Crew/Double Cab Premium TrimShown, Other Models SimilarRegular Cab Uplevel Shown, Other Models Similar
If equipped, the driver door has a
switch to control all windows. Each
passenger door has a switch to
control that window.
The power windows:
.Can be operated with the
ignition in ON/RUN or ACC/
ACCESSORY.
.Can be operated in Retained
Accessory Power (RAP). See
Retained Accessory Power
(RAP) on page 9-28.
.Will stop operation when any
door is opened.
Press the switch down to lower the
window, and pull up the front of the
switch to raise the window.
Express-Down Windows
If equipped, the express-down
feature allows the window to be
lowered without holding the switch.
Press the window switch down fully
and release it to activate the
express-down feature. The
express-down feature can be
canceled at any time by briefly
pressing the switch.
Express-Up Window
If equipped, the driver window
express-up feature allows the
window to be raised without holding
the switch. Pull the window switch
up fully and release it to activate the
express-up feature. The express-up
feature can be canceled at any time
by briefly pulling the switch.

Black plate (20,1)GMC Sierra Owner Manual (GMNA Localizing-U.S/Canada/Mexico-
7299746) - 2015 - crc - 11/11/13
2-20 Keys, Doors, and Windows
Programming the Power
Windows
If the battery on the vehicle has
been recharged or disconnected,
or is not working, the driver power
window will need to be
reprogrammed for the express-up
feature to work.
To reprogram the power windows:
1. Close all doors.
2. Place the ignition in ACC/ACCESSORY or ON/RUN/
START.
3. From any open position, pull the power window switch up until the
window is fully closed.
4. Hold the switch up for approximately two seconds after
the window is fully closed.
The window is now reprogrammed.
Express Window Anti-Pinch
Feature
If any object is in the path of the
window when express-up is active,
the window stops at the obstacle
and auto-reverses to a preset
factory position. Weather conditions
such as severe icing also cause the
window to auto-reverse. The
window returns to normal operation
once the obstacle or condition is
removed.
Express Window Anti-Pinch
Override
{Warning
If express override is activated,
the window will not reverse
automatically. You or others could
be injured and the window could
be damaged. Before you use
express override, make sure that
all people and obstructions are
clear of the window path. The anti-pinch feature can be
overridden in a supervised mode.
Hold the window switch in the
partially or fully pulled up position.
The window rises for as long as the
switch is held. Once the switch is
released, the express mode is
reactivated.
In this mode, the window can still
close on an object in its path. Use
care when using the override mode.

Black plate (21,1)GMC Sierra Owner Manual (GMNA Localizing-U.S/Canada/Mexico-
7299746) - 2015 - crc - 11/11/13
Keys, Doors, and Windows 2-21
Window Lockout
Crew/Double Cab Premium
Shown, Other Models Similar
Z(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 9-28.
.Press 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. If equipped, detach the sun
visor from the center mount to pivot
to the side window or to extend
along the rod.

Black plate (22,1)GMC Sierra Owner Manual (GMNA Localizing-U.S/Canada/Mexico-
7299746) - 2015 - crc - 11/11/13
2-22 Keys, Doors, and Windows
Roof
Sunroof
If equipped, the sunroof operates
when the ignition is in ACC/
ACCESSORY or ON/RUN, or when
Retained Accessory Power (RAP) is
active. SeeRetained Accessory
Power (RAP) on page 9-28.
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 until the sunroof
reaches the desired position. 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,
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
tracks.
If water is seen dripping into the
water drainage system, this is
normal.

Black plate (7,1)GMC Sierra Owner Manual (GMNA Localizing-U.S/Canada/Mexico-
7299746) - 2015 - crc - 11/11/13
Seats and Restraints 3-7
Storing Memory Positions
To save positions to the“1”and “2”
buttons:
1. Adjust the driver seat, outside mirrors, and adjustable pedals (if
equipped) to the desired driving
positions.
2. Press and release SET, then immediately press and hold “1”
until a beep sounds.
3. Repeat Steps 1 and 2 for a second driver using “2.”
To save positions to the
B(Exit)
button and easy exit features:
1. Adjust the driver seat, adjustable pedals (if equipped), and the
outside mirrors on some vehicles
to the desired positions for
getting out of the vehicle.
2. Press and release SET, then immediately press and hold
B
until a beep sounds. Manually Recalling Memory
Positions
If the vehicle is OFF or not in
P (Park), press and hold "1," "2," or
Bto manually recall the previously
stored memory positions. Releasing
"1,” "2," or
Bbefore the stored
positions are reached stops the
recall.
If the vehicle is ON and in P (Park),
press and release “1,” “2,”or
Bto
manually recall the previously
stored memory positions. Placing
the ignition in OFF/LOCK before the
stored positions are reached stops
the recall.
If something has blocked the driver
seat and/or 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.
Automatically Recalling Memory
Positions (Auto Memory Recall)
The Auto (Automatic) Memory
Recall feature automatically recalls
the current driver
’s previously stored
“1” or“2” position when entering the
vehicle.
If the Auto Memory Recall feature is
enabled in the vehicle
personalization menu, memory “1”
or “2” positions are recalled in the
following ways:
.PressKon the RKE transmitter
and open the driver door.
.PressKon the RKE transmitter
when the driver door is
already open.
See Vehicle Personalization on
page 5-45.

Black plate (9,1)GMC Sierra Owner Manual (GMNA Localizing-U.S/Canada/Mexico-
7299746) - 2015 - crc - 11/11/13
Seats and Restraints 3-9
Heated and Cooled Seat ButtonsShown, Heated Seat Buttons Similar
If equipped, the buttons are on the
center stack. To operate, the engine
must be running.
Press
Ito heat the driver or
passenger seatback only.
Press
Jto heat the driver or
passenger seat cushion and
seatback.
Press
Ato cool the driver or
passenger seat. The indicator light on the button
comes on when this feature is on.
Press the button once for the
highest setting. With each press of
the button, the seat will change to
the next lower setting, and then to
the off setting. The indicator lights
next to the buttons indicate three for
the highest setting and one for the
lowest. If the heated seats are on
high, their level may automatically
be lowered.
Remote Start Auto Heated and
Cooled Seats
During a remote start, the heated or
cooled seats can be turned on
automatically. When it is cold
outside, the heated seats turn on,
and when it is hot outside the
cooled seats turn on. The heated or
cooled seats are canceled when the
ignition is turned on. Press the
heated or cooled seat button to use
the heated or cooled seats after the
vehicle is started.
The heated or cooled seat indicator
lights do not turn on during a remote
start.
The temperature performance of an
unoccupied seat may be reduced.
This is normal.
The heated or cooled seats will not
turn on during a remote start unless
they are enabled in the vehicle
personalization menu. See
Remote
Vehicle Start on page 2-6 and
Vehicle Personalization on
page 5-45.