2012 CHEVROLET SUBURBAN service

Black plate (2,1)Chevrolet Tahoe/Suburban Owner Manual - 2012
2012 Chevrolet Tahoe/Suburban Owner ManualM
Vehicle Care. . . . . . . . . . . . . . . . . 10-1
General Information . . . . . . . . . . 10-2
Vehicle Checks . . . . . . . . . . . . . . . 10-4
Headlamp Aiming . . . . . . . . . . . 10-32
Bulb Replacement . . . . . . . . . . 10-34
Electrical System . . . . . . . . . . . . 10-36
Wheels and Tires . . . . . . . . . . . 10-44
Jump Starting . . . . . . . . . . . . . . . 10-82
Towing . . . . . . . . . . . . . . . . . . . . . . 10-87
Appearance Care . . . . . . . . . . . 10-93
Service and Maintenance . . . 11-1
General Information . . . . . . . . . . 11-1
Maintenance Schedule . . . . . . . 11-3
Special Application
Services . . . . . . . . . . . . . . . . . . . . 11-8 Additional Maintenance
and Care . . . . . . . . . . . . . . . . . . . . 11-9
Recommended Fluids, Lubricants, and Parts . . . . . . 11-12
Maintenance Records . . . . . . . 11-15
Technical Data . . . . . . . . . . . . . . . 12-1
Vehicle Identification . . . . . . . . . 12-1
Vehicle Data . . . . . . . . . . . . . . . . . . 12-2
Customer Information . . . . . . . 13-1
Customer Information . . . . . . . . 13-1
Reporting Safety Defects . . . . 13-17
Vehicle Data Recording and Privacy . . . . . . . . . . . . . . . . . . . . 13-19 OnStar
. . . . . . . . . . . . . . . . . . . . . . . 14-1
OnStar Overview . . . . . . . . . . . . . 14-1
OnStar Services . . . . . . . . . . . . . . 14-2
OnStar Additional
Information . . . . . . . . . . . . . . . . . . 14-5
Index . . . . . . . . . . . . . . . . . . . . . i-1

Black plate (3,1)Chevrolet Tahoe/Suburban Owner Manual - 2012
Introduction iii
The names, logos, emblems,
slogans, vehicle model names, and
vehicle body designs appearing
in this manual including, but not
limited to, GM, the GM logo,
CHEVROLET, the CHEVROLET
Emblem, TAHOE, SUBURBAN, and
Z71 are trademarks and/or service
marks of General Motors LLC, its
subsidiaries, affiliates, or licensors.
This manual describes features that
may or may not be on your specific
vehicle either because they are
options that you did not purchase
or due to changes subsequent to
the printing of this owner manual.Please refer to the purchase
documentation relating to your
specific vehicle to confirm each of
the features found on your vehicle.
For vehicles first sold in Canada,
substitute the name
“General
Motors of Canada Limited” for
Chevrolet Motor Division wherever
it appears in this manual.
If the vehicle is a hybrid, see
the hybrid supplement for more
information.
Keep this manual in the vehicle for
quick reference.
Canadian Vehicle Owners
Propriétaires Canadiens
A French language copy of this
manual can be obtained from your
dealer or from:
On peut obtenir un exemplaire de
ce guide en français auprès du
concessionnaire ou à l'adresse
suivante:
Helm, Incorporated
P.O. Box 07130
Detroit, MI 48207
1-800-551-4123
Numéro de poste 6438 de
langue française
www.helminc.com
Litho in U.S.A.
Part No. 20902914 A First Printing©2011 General Motors LLC. All Rights Reserved.

Black plate (4,1)Chevrolet Tahoe/Suburban Owner Manual - 2012
iv Introduction
Using this Manual
To quickly locate information
about the vehicle, use the Index
in the back of the manual. It is an
alphabetical list of what is in the
manual and the page number where
it can be found.
Danger, Warnings, and
Cautions
Warning messages found on vehicle
labels and in this manual describe
hazards and what to do to avoid or
reduce them.
Dangerindicates a hazard with a
high level of risk which will result in
serious injury or death.
Warning orCaution indicates a
hazard that could result in injury or
death.
{WARNING
These mean there is something
that could hurt you or other
people.
Notice: This means there is
something that could result in
property or vehicle damage. This
would not be covered by the
vehicle's warranty.
A circle with a slash through it is a
safety symbol which means “Do
Not,” “Do not do this,” or“Do not let
this happen.”
Symbols
The vehicle has components and
labels that use symbols instead of
text. Symbols are shown along with
the text describing the operation or
information relating to a specific
component, control, message,
gauge, or indicator.
M: This symbol is shown when
you need to see your owner manual
for additional instructions or
information.
*: This symbol is shown when
you need to see a service manual
for additional instructions or
information.

Black plate (22,1)Chevrolet Tahoe/Suburban Owner Manual - 2012
1-22 In Brief
Satellite Radio
XM is a satellite radio service
based in the 48 contiguous
United States and 10 Canadian
provinces. XM satellite radio has a
wide variety of programming and
commercial-free music, coast to
coast, and in digital-quality sound.
A fee is required to receive the
XM service.
For more information, refer to:
.www.xmradio.com or call
1-800-929-2100 (U.S.)
.www.xmradio.ca or call
1-877-438-9677 (Canada)
See Satellite Radio on page 7‑9.
Portable Audio Devices
This vehicle has an auxiliary input,
located on the audio faceplate,
and a USB port located on the
instrument panel or in the center
console. External devices such
as iPod
®, laptop computers,
MP3 players, CD changers, USB storage device, etc. can be
connected to the auxiliary port
using a 3.5 mm (1/8 in) input jack
or the USB port depending on the
audio system.
See
Auxiliary Devices on page 7‑30
for further information.
Bluetooth®
For vehicles with a Bluetooth
system, it allows users with a
Bluetooth‐enabled cell phone to
make and receive hands-free calls
using the vehicle’ s audio system
and controls.
The Bluetooth‐enabled cell phone
must be paired with the Bluetooth
system before it can be used in the
vehicle. Not all phones will support
all functions. For more information,
visit www.gm.com/bluetooth.
For more information, see Bluetooth
on page 7‑47.
Steering Wheel Controls
If equipped, some audio controls
can be adjusted at the steering
wheel.
w: Press to go to the next favorite
radio station, track on a CD,
or folder on an iPod
®or USB
device.
c/x: Press to go to the
previous favorite radio station, track
on a CD, or folder on an iPod
®or
USB device. Press to reject an
incoming call, or to end a call.

Black plate (24,1)Chevrolet Tahoe/Suburban Owner Manual - 2012
1-24 In Brief
Side Blind Zone
Alert (SBZA)
If available, this feature will alert you
to vehicles located in the vehicle's
side blind zone. When the system
detects a vehicle in the side blind
zone, the SBZA display will light up
in the corresponding outside side
mirror.
The system is enabled at every
vehicle startup. It can be disabled
through the Driver Information
Center (DIC).
If the message SIDE BLIND ZONE
SYSTEM UNAVAILABLE appears
on the DIC, the system has been
disabled because the sensor is
blocked and cannot detect vehicles
in the blind zone. The sensor may
be blocked by mud, dirt, snow, ice,
slush, or even heavy rainstorms.
This message may also activate
during heavy rain or due to road
spray. The vehicle does not need
service.See
Side Blind Zone Alert (SBZA)
on page 9‑53 for more information.Rear Vision
Camera (RVC)
If available, the RVC displays a
view of the area behind the vehicle
when the vehicle is shifted into
R (Reverse). The display will appear
on either the inside rearview mirror
or navigation screen, if equipped.
To clean the camera lens, located
above the license plate, rinse it with
water and wipe it with a soft cloth.
SeeRear Vision Camera (RVC) on
page 9‑55.
Ultrasonic Parking Assist
If available, Ultrasonic Rear Parking
Assist (URPA) system uses sensors
on the rear bumper to assist with
parking and avoiding objects while
in R (Reverse). It operates at
speeds less than 8 km/h (5 mph). URPA uses audible beeps to
provide distance and system
information.
Keep the sensors on the vehicle's
rear bumper clean to ensure proper
operation.
See
Ultrasonic Parking Assist on
page 9‑51 for more information.
Power Outlets
The accessory power outlets can be
used to plug in electrical equipment,
such as a cell phone or MP3 player.
There are two under the climate
controls, one inside the center floor
console, one on the rear of the
center floor console and one
accessory power outlet in the rear
cargo area on the passenger side.
The accessory power outlets are
powered, even with the ignition
off. Continuing to use accessory
power outlets while the ignition is in
LOCK/OFF may cause the vehicle's
battery to run down.
SeePower Outlets on page 5‑8.

Black plate (28,1)Chevrolet Tahoe/Suburban Owner Manual - 2012
1-28 In Brief
.When road and weather
conditions are appropriate,
use cruise control.
.Always follow posted speed
limits or drive more slowly when
conditions require.
.Keep vehicle tires properly
inflated.
.Combine several trips into a
single trip.
.Replace the vehicle's tires with
the same TPC Spec number
molded into the tire's sidewall
near the size.
.Follow recommended scheduled
maintenance.
Roadside Assistance
Program
U.S.:1-800-243-8872
TTY Users (U.S.): 1-888-889-2438
Canada: 1-800-268-6800
Mexico: 01-800-466-0800
As the owner of a new Chevrolet,
you are automatically enrolled in the
Roadside Assistance program.
See Roadside Assistance Program
(U.S. and Canada) on page 13‑7
or Roadside Assistance Program
(Mexico) on page 13‑9 for more
information.
Roadside Assistance and OnStar
(U.S. and Canada)
If you have an active OnStar
subscription, press the
Qbutton
and the current GPS location will
be sent to an OnStar advisor who
will assess your problem, contact
Roadside Assistance, and relay
your exact location to get the help
you need. Online Owner Center
(U.S. and Canada)
The Online Owner Center is
a complimentary service that
includes online service reminders,
vehicle maintenance tips, online
owner manual, special privileges,
and more.
Sign up today at:
www.chevyownercenter.com
(U.S.) or
www.gm.ca (Canada).
OnStar®
If equipped, this vehicle has
a comprehensive, in-vehicle
system that can connect to a live
Advisor for Emergency, Security,
Navigation, Connection, and
Diagnostic Services. See OnStar
Overview on page 14‑1 for more
information.

Black plate (3,1)Chevrolet Tahoe/Suburban Owner Manual - 2012
Keys, Doors, and Windows 2-3
If there is a decrease in the RKE
operating range:
.Check the distance. The
transmitter may be too far from
the vehicle.
.Check the location. Other
vehicles or objects may be
blocking the signal.
.Check the transmitter's battery.
See“Battery Replacement” later
in this section.
.If the transmitter is still not
working correctly, see your
dealer or a qualified technician
for service.
Remote Keyless Entry
(RKE) System Operation
The Remote Keyless Entry (RKE)
transmitter functions work up to
60 m (195 ft) away from the vehicle.
There are other conditions which
can affect the performance of the
transmitter. See Remote Keyless
Entry (RKE) System on page 2‑2.
With Remote Start and Liftglass
With Remote Start and Power
Liftgate and Liftglass The following functions may be
available if your vehicle has the
RKE system:
/(Remote Vehicle Start):
For
vehicles with this feature, press to
start the engine from outside the
vehicle using the RKE transmitter.
See Remote Vehicle Start on
page 2‑5 for additional information.
Q(Lock):Press to lock all the
doors.
If enabled through the Driver
Information Center (DIC), the turn
signal lamps flash once to indicate
locking has occurred. If enabled
through the DIC, the horn chirps
when the lock button is pressed
again within three seconds. See
Vehicle Personalization (With DIC
Buttons) on page 5‑45 for additional
information.
Pressing
Qarms the content
theft‐deterrent system. See
Anti-theft Alarm System on
page 2‑13.

Black plate (11,1)Chevrolet Tahoe/Suburban Owner Manual - 2012
Keys, Doors, and Windows 2-11
On vehicles with a power liftgate,
the button is on the overhead
console.
The vehicle must be in P (Park) to
use the power liftgate feature.
8:Press the top of the button to
open or close the power liftgate.
OFF: Press the bottom of the
button for manual operation of the
power liftgate.
The taillamps will flash and a chime
will sound when the power liftgate is
moving.
{WARNING
You or others could be injured if
caught in the path of the power
liftgate. Make sure there is no one
in the way of the liftgate as it is
opening and closing.
Notice: If you open the liftgate
without checking for overhead
obstructions such as a garage
door, you could damage the liftgate or the liftgate glass.
Always check to make sure the
area above and behind the liftgate
is clear before opening it.
The power liftgate can be power
opened and closed in the
following ways:
.Press and hold8on the
Remote Keyless Entry (RKE)
transmitter until the liftgate starts
moving. See Remote Keyless
Entry (RKE) System Operation
on page 2‑3.
.Press8on the overhead
console.
.Press the touch pad on the
outside liftgate handle.
Pressing the buttons, or touch pad
switch a second time while the
liftgate is moving reverses the
direction.
l: The liftgate can also be
closed by pressing this button next
to the liftgate latch. Press the button a second time
during liftgate operation to reverse
that operation.
The power liftgate may be
temporarily disabled under extreme
temperatures, or under low battery
conditions. If this occurs, the liftgate
can still be operated manually.
If the transmission is shifted out of
P (Park) while the power function
is in progress, the liftgate power
function will continue to completion.
If the transmission is shifted out of
P (Park) and the vehicle accelerates
before the power liftgate latches
closed, the liftgate may reverse to
the open position. Cargo could fall
out of the vehicle. Always make
sure the power liftgate is closed and
latched before you drive away.
If you power open the liftgate and
the liftgate support struts have lost
pressure, the lamps will flash and a
chime will sound. The liftgate will
stay open temporarily, then slowly
close. See your dealer for service
before using the liftgate.