2012 CHEVROLET SUBURBAN headlamp

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 (5,1)Chevrolet Tahoe/Suburban Owner Manual - 2012
Introduction v
Vehicle Symbol Chart
Here are some additional symbols
that may be found on the vehicle
and what they mean. For more
information on the symbol, refer to
the Index.
0:Adjustable Pedals
9:Airbag Readiness Light
#:Air Conditioning
!:Antilock Brake System (ABS)
%:Audio Steering Wheel Controls
or OnStar®
$: Brake System Warning Light
":Charging System
I:Cruise Control
B: Engine Coolant Temperature
O:Exterior Lamps
#:Fog Lamps
.: Fuel Gauge
+:Fuses
3: Headlamp High/Low-Beam
Changer
(: Heated Steering Wheel
j:LATCH System Child
Restraints
*: Malfunction Indicator Lamp
::Oil Pressure
g:Outside Power Foldaway
Mirrors
}: Power
/:Remote Vehicle Start
>:Safety Belt Reminders
7:Tire Pressure Monitor
_: Tow/Haul Mode
d:Traction Control/StabiliTrak®
M:Windshield Washer Fluid

Black plate (14,1)Chevrolet Tahoe/Suburban Owner Manual - 2012
1-14 In Brief
Interior Mirrors
Vehicles with a manual rearview
mirror can be adjusted to see clearly
behind the vehicle. Hold the mirror
in the center to move it up or down
and side to side. Adjust the mirror
to avoid glare from the headlamps
behind you. Push the tab forward
for daytime use and pull it for
nighttime use.
Vehicles with the automatic dimming
feature will automatically reduce
glare from the headlamps of the
vehicle behind you. The dimming
feature comes on and the indicator
light illuminates each time the
vehicle is started.
SeeAutomatic Dimming Rearview
Mirror on page 2‑19 for more
information.
Steering Wheel
Adjustment
The tilt lever is located on the lower
left side of the steering column.
To adjust the steering wheel:
1. Hold the steering wheel and pull the 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 9‑22.

Black plate (16,1)Chevrolet Tahoe/Suburban Owner Manual - 2012
1-16 In Brief
Exterior Lighting
The exterior lamps control is located
on the instrument panel to the left of
the steering wheel.
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,
and license plate lamps.
;: Turns on the parking lamps,
taillamps, instrument panel lights,
and license plate lamps.
5: Turns on the headlamps,
parking lamps, taillamps, instrument
panel lights, and license plate
lamps.
For more information, 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. Turn
the band with the wiper symbol to
control the windshield wipers.
8: For a single wipe, turn to8,
then release. For several wipes,
hold the band on
8longer.
9: Turns the windshield
wipers off.
6: Turn the band up for more
frequent wipes or down for less
frequent wipes.

Black plate (14,1)Chevrolet Tahoe/Suburban Owner Manual - 2012
2-14 Keys, Doors, and Windows
Your vehicle's headlamps will flash
and the horn will sound for about
30 seconds, then will turn off to save
the battery power.
The theft-deterrent system will not
activate if the doors are locked with
the vehicle's key or the manual door
lock. It activates only if you use the
power door lock switch with the door
open or the RKE transmitter. You
should also remember that you can
start your vehicle with the correct
ignition key if the alarm has been
set off.
To avoid setting off the alarm by
accident:
.If you do not want to activate the
theft-deterrent system, the
vehicle should be locked with
the door key after the doors are
closed.
.Always unlock the doors with the
RKE transmitter. Unlocking a
door any other way will set off
the alarm if it is armed.If you set off the alarm by accident,
press unlock on the RKE transmitter
or place the key in the ignition and
turn it to START to turn off the
alarm. The alarm will not stop if you
try to unlock a door any other way.
Testing the Alarm
To test the alarm:
1. From inside the vehicle, lower
the driver window and open the
driver door.
2. Activate the system by locking the doors with the power door
lock switch while the door is
open, or with the RKE
transmitter.
3. Get out of the vehicle, close the door and wait for the security
light to go out.
4. Then reach in through the window, unlock the door with the
manual door lock and open the
door. This should set off the
alarm. While the alarm is set, the power
door unlock switch will not work.
If the alarm does not sound when
it should but the headlamps flash,
check to see if the horn works. The
horn fuse may be blown. To replace
the fuse, see
Fuses and Circuit
Breakers on page 10‑37.
If the alarm does not sound or the
headlamps do not flash, the vehicle
should be serviced by your dealer.
Immobilizer
See Radio Frequency Statement on
page 13‑20 for information
regarding Part 15 of the Federal
Communications Commission (FCC)
rules and Industry Canada
Standards RSS-GEN/210/220/310.
Immobilizer Operation
This vehicle has PASS-Key®III+
(Personalized Automotive Security
System) theft-deterrent system.
PASS-Key III+ is a passive
theft-deterrent system.

Black plate (18,1)Chevrolet Tahoe/Suburban Owner Manual - 2012
2-18 Keys, Doors, and Windows
Power Foldaway
1. Press (A) to fold the mirrors outto the driving position.
2. Press (B) to fold the mirrors in to the folded position.
Resetting the Power Foldaway
Mirrors
Reset the power foldaway 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 shake and flutter at
normal driving speeds.
Fold and unfold them one time
using the mirror controls to reset
them to their normal position.
Manual Foldaway
Manually fold the mirrors inward
to prevent damage when going
through an automatic car wash. To
fold, push the mirrors toward the
vehicle. Push the mirrors outward,
to return to its original position.
Turn Signal Indicator
The vehicle may have a turn signal
indicator on the mirror. An arrow on
the mirror flashes in the direction of
the turn or lane change.
Ground Illumination Lamps
The mirrors may also include
ground illumination lamps in the
base of the mirror. These lamps
help to see the area near the
base of the front doors when it is
dark out.
Heated Mirrors
For vehicles with heated mirrors:
1(Rear Window Defogger):
Press to heat the mirrors.
See “Rear Window Defogger” under
Dual Automatic Climate Control
System on page 8‑4 orClimate
Control Systems on page 8‑1 for
more information.
Side Blind Zone Alert (SBZA)
If your vehicle has the Side Blind
Zone Alert (SBZA) system, see Side
Blind Zone Alert (SBZA) on
page 9‑53.
Automatic Dimming
Mirror
Vehicles with the dimming feature
have a driver outside mirror that
adjusts for the glare of headlamps
behind you. See Manual Rearview
Mirror on page 2‑19 for more
information.

Black plate (19,1)Chevrolet Tahoe/Suburban Owner Manual - 2012
Keys, Doors, and Windows 2-19
Park Tilt Mirrors
Vehicles with the memory package
have a passenger and/or driver
mirror that tilts to a preselected
position when the vehicle is in
R (Reverse). This feature lets the
driver view the curb when parallel
parking. The mirror(s) return to the
original position when the vehicle is
shifted out of R (Reverse), or the
ignition is turned off.
Turn this feature on or off through
the Driver Information Center (DIC).
SeeVehicle Personalization (With
DIC Buttons) on page 5‑45 for more
information.
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 9‑55
for more information.
If the vehicle has a 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 OnStar
Overview on page 14‑1.
Cleaning the Mirror
Do not spray glass cleaner directly
on the mirror. Use a soft towel
dampened with water.

Black plate (25,1)Chevrolet Tahoe/Suburban Owner Manual - 2012
Instruments and Controls 5-25
This light is also used to indicate the
status of the anti-theft alarm system
when the ignition is turned off. The
light will flash rapidly if the alarm
system is arming and one or more
of the monitored entry points is not
closed. The light will stay on if the
alarm is arming and all entry points
are closed.
For information regarding this light
and the vehicle's security system,
seeAnti-theft Alarm System on
page 2‑13.
High-Beam On Light
This light comes on when the
high-beam headlamps are in use.
See Headlamp High/Low-Beam
Changer on page 6‑2 for more
information.
Front Fog Lamp Light
The fog lamp light comes on when
the fog lamps are in use.
The light goes out when the fog
lamps are turned off. See Fog
Lamps on page 6‑6 for more
information.
Cruise Control Light
The cruise control light comes on
whenever the cruise control is set.
The light goes out when the cruise
control is turned off. See Cruise
Control on page 9‑49 for more
information.