GMC SIERRA 2013 Owner's Guide

Black plate (15,1)GMC Sierra Owner Manual - 2013 - crc - 8/14/12
In Brief 1-15
3. Adjust each outside mirror sothat a little of the vehicle and the
area behind it can be seen.
4. Press either (A) or (B) again to deselect the mirror.
See Power Mirrors on page 2‑14.
If the vehicle has power folding
mirrors:
1. Press (C) to fold the mirrors out to the driving position.
2. Press (D) to fold the mirrors in to the folded position.
See Folding Mirrors on page 2‑15.
The mirrors may also include a
memory function that works with the
memory seats. See Memory Seats
on page 3‑6.
Crew Cab Uplevel Trim without
Power Folding Mirrors
1. Move the selector switch located above the four-way control pad
to the left or right to choose
either the driver side or
passenger side mirror.
2. Press one of the four arrows located on the control pad to
move the mirror in the desired
direction.
3. Adjust each outside mirror so that a little of the vehicle and the
area behind it can be seen. See
Power Mirrors on page 2‑14.
Keep the selector switch in the
center position when not adjusting
either outside mirror.
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.
Manual Folding Mirrors
If the vehicle has 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.
See Folding Mirrors on page 2‑15.
Trailer-Tow Mirrors
If the vehicle has towing mirrors,
they can be adjusted for a clearer
view of the objects behind you.

Black plate (16,1)GMC Sierra Owner Manual - 2013 - crc - 8/14/12
1-16 In Brief
Manually pull out the mirror head to
extend it for better visibility when
towing a trailer. SeeTrailer-Tow
Mirrors on page 2‑13.
Heated Mirrors
For vehicles with heated mirrors:
Press
1to 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
mirrors is not heated.
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.
Park Tilt Mirrors
If the vehicle has the memory
package, the exterior mirrors tilt to a
preselected position when the
vehicle is in R (Reverse). This
feature lets the driver view the curb
when parallel parking. The mirrors return to the original position when
the vehicle is shifted out of
R (Reverse), or the ignition is turned
off or to OFF/LOCK.
This feature can be programmed
through the Driver Information
Center (DIC). See
Vehicle
Personalization (With DIC Buttons)
on page 5‑46.
Interior Mirror
Adjustment
Hold the rearview mirror in the
center and move it to view the area
behind the vehicle.
Manual Rearview Mirror
For vehicles with a manual rearview
mirror, push the tab forward for
daytime use and pull it for nighttime
use to avoid glare from the
headlamps from behind. See
Manual Rearview Mirror on
page 2‑16. Automatic Dimming Rearview
Mirror
For vehicles with an automatic
dimming rearview mirror, the mirror
will automatically reduce the glare
from the headlamps from behind.
The dimming feature comes on
when the vehicle is started.
See
Automatic Dimming Rearview
Mirror on page 2‑17.Steering Wheel
Adjustment

Black plate (17,1)GMC Sierra Owner Manual - 2013 - crc - 8/14/12
In Brief 1-17
To adjust the steering wheel:
1. Hold the steering wheel and pullthe lever.
2. Move the steering wheel up or down.
3. Release the lever to lock the wheel in place.
Do not adjust the steering wheel
while driving.
Throttle and Brake Pedal
Adjustment
On vehicles with this feature, you
can change the position of the
throttle and brake pedals.
The control used to adjust the
pedals is located on the instrument
panel below the climate control
system. Press the bottom of the control to
move the pedals closer to your
body. Press the top of the control to
move the pedals away.
See
Adjustable Throttle and Brake
Pedal on page 9‑23.
Interior Lighting
Dome Lamps
The dome lamps are located in the
overhead console.
They come on when any door is
opened and turn off after all the
doors are closed.
Turn the instrument panel
brightness knob located below the
dome lamp override button,
clockwise to the farthest position to
manually turn on the dome lamps.
The dome lamps remain on until the
knob is turned counterclockwise. Dome Lamp Override
The dome lamp override button is
located next to the exterior lamps
control.
k:
Press the button in and the
dome lamps remain off when a door
is opened. Press the button again to
return it to the extended position so
that the dome lamps come on when
a door is opened.
Reading Lamps
For vehicles with reading lamps in
the overhead console, press the
button located next to the lamp to
turn it on or off.

Black plate (18,1)GMC Sierra Owner Manual - 2013 - crc - 8/14/12
1-18 In Brief
The vehicle may also have reading
lamps in other locations. The lamps
are fixed and cannot be adjusted.
For more information about interior
lamps, see:
.Dome Lamps on page 6‑7.
.Reading Lamps on page 6‑8.
.Instrument Panel Illumination
Control on page 6‑7.
Exterior Lighting
The exterior lamp control is on the
instrument panel to the left of the
steering wheel.There are four positions.
O:
Turns off the automatic
headlamps and Daytime Running
Lamps (DRL). Turn the headlamp
control to the off position again to
turn the automatic headlamps or
DRL back on.
For vehicles first sold in Canada,
the off position will only work when
the vehicle is shifted into P (Park).
AUTO: Automatically turns on the
headlamps, parking lamps,
taillamps, instrument panel lights,
roof marker lamps (if equipped), and
license plate lamps.
;: Turns on the parking lamps,
taillamps, instrument panel lights,
roof marker lamps (if equipped), and
license plate lamps.
5: Turns on the headlamps,
parking lamps, taillamps, instrument
panel lights, roof marker lamps (if
equipped), and license plate lamps. See:
.Exterior Lamp Controls on
page 6‑1
.Daytime Running Lamps (DRL)
on page 6‑3
.Fog Lamps on page 6‑6
Windshield Wiper/Washer
The front wiper control is located on
the turn and lane-change lever.
The windshield wipers are controlled
by turning the band with
zon it.
8:
For a single wipe, turn to8,
then release. For several wipes,
hold the band on
8longer.

Black plate (19,1)GMC Sierra Owner Manual - 2013 - crc - 8/14/12
In Brief 1-19
9:Turns the windshield
wipers off.
6: Turn the band up for more
frequent wipes or down for less
frequent wipes.
w: Slow wipes.
1: Fast wipes.
L:Push the paddle at the top of
the lever to spray washer fluid on
the windshield.
See Windshield Wiper/Washer on
page 5‑4.
Climate Controls
These systems control the heating, cooling, and ventilation.
Climate Control System (With Air Conditioning)
A. Fan Control
B. Temperature Control
C. Air Delivery Mode Control
D. Air Conditioning E. Outside Air
F. Air Recirculation
G. Rear Window Defogger

Black plate (20,1)GMC Sierra Owner Manual - 2013 - crc - 8/14/12
1-20 In Brief
Climate Control System (With Heater Only)
A. Fan Control
B. Temperature Control
C. Air Delivery Mode ControlSee
Climate Control Systems (with
Air Conditioning) on page 8‑1 or
Climate Control Systems (with
Heater Only) on page 8‑4.

Black plate (21,1)GMC Sierra Owner Manual - 2013 - crc - 8/14/12
In Brief 1-21
Dual Automatic Climate Control System
A. Driver and PassengerTemperature Controls
B. Fan Control
C. AUTO
D. Defrost
E. Air Recirculation
F. Outside Air
G. Air Delivery Mode Control
H. Display I. Power Button
J. Rear Window Defogger
K. Air Conditioning
L. PASS (Passenger)
See
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 (If Equipped).
Transmission
Range Selection Mode
The Range Selection Mode switch,
if equipped, is located on the shift
lever.
To enable the Range Selection
feature:
1. Move the column shift lever to
the M (Manual) position. The
current range will appear next to
the M. This is the highest
attainable range with all lower
gears accessible. As an
example, when 5 (Fifth) gear is
selected, 1 (First) through
5 (Fifth) gears are available.

Black plate (22,1)GMC Sierra Owner Manual - 2013 - crc - 8/14/12
1-22 In Brief
2. Press the plus/minus buttons,located on the steering column
shift lever, to select the desired
range of gears for current driving
conditions. See Manual Mode on
page 9‑36.
While using Range Selection Mode,
cruise control and the Tow/Haul
mode can be used.
Grade Braking is not available when
Range Selection Mode is active.
See Tow/Haul Mode on page 9‑37.
Four-Wheel Drive
If the vehicle has Four-Wheel Drive,
you can send the engine's driving
power to all four wheels for extra
traction.
Transfer Case Buttons
The vehicle will have one of these
three styles of transfer case
controls. Use these controls to shift
into and out of the different
Four-Wheel Drive modes. Manual Transfer Case
This transfer case shift lever is on
the floor to the right of the driver.
Electronic Transfer CaseThis transfer case knob is located
next to the steering column.

Black plate (23,1)GMC Sierra Owner Manual - 2013 - crc - 8/14/12
In Brief 1-23
Automatic Transfer Case
This transfer case knob is located
next to the steering column.
Each transfer case design offers
different drive options. The list
below describes the different drive
options that may be available.2
m(Two-Wheel-Drive High):
This
setting is used for driving in most
street and highway situations.
AUTO (Automatic Four-Wheel
Drive): This setting is ideal for use
when road surface traction
conditions are variable.
4
m(Four-Wheel High): Use the
Four-Wheel-Drive High position
when extra traction is needed, such
as on snowy or icy roads or in most
off-road situations.
N (Neutral): Shift the transfer case
to Neutral only when towing the
vehicle. See Recreational Vehicle
Towing on page 10‑87 orTrailer
Towing on page 9‑73. 4
n(Four-Wheel-Drive Low):
This
setting sends maximum power to all
four wheels. You might choose
Four-Wheel-Drive Low if you are
driving off-road in deep sand, deep
mud, deep snow, and while climbing
or descending steep hills.
See Four-Wheel Drive on
page 9‑38.

Black plate (24,1)GMC Sierra Owner Manual - 2013 - crc - 8/14/12
1-24 In Brief
Vehicle Features
Radio(s)
Radio with USB, CD, and DVD (MP3)
O:Press to turn the system on
and off. Turn to increase or
decrease the volume. BAND:
Press to choose between
FM, AM, or SiriusXM®, if equipped.
f: Turn to manually select radio
stations or press to set the bass or
treble.
©SEEK or¨SEEK: Seek or scan
stations.
4: Press to switch the display
between the radio station frequency
and the time. While the ignition is
off, press this button to display the
time. Press to display additional text
information related to the current
FM-RDS or SiriusXM station; or CD,
MP3, or WMA song. If information is
available during SiriusXM, CD, MP3,
or WMA playback, the song title
information displays on the top line
of the display and artist information
displays on the bottom line. When
information is not available, “NO
INFO” displays.
For more information about these
and other radio features, see
Operation on page 7‑7.