ignition CHEVROLET SUBURBAN 2012 10.G User Guide

Black plate (8,1)Chevrolet Tahoe/Suburban Owner Manual - 2012
2-8 Keys, Doors, and Windows
Power Door Locks
With power door locks, the switches
on the front doors can be used to
lock and unlock the vehicle.
If available, the switches are on the
front doors.
K(Unlock):Press to unlock the
doors.
Q(Lock): Press to lock the doors.
Delayed Locking
When locking the doors with the
power lock switch and a door or the
liftgate 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. Pressing the power lock switch
twice will override the delayed
locking feature and immediately lock
all the doors.
This feature will not operate if the
key is in the ignition.
You can program this feature using
the Driver Information Center (DIC).
See
“Delay Door Lock” under
Vehicle Personalization (With DIC
Buttons) on page 5‑45.Automatic Door Locks
The vehicle may have an automatic
lock/unlock feature. This feature can
be programmed using the Driver
Information Center (DIC). See
Vehicle Personalization (With DIC
Buttons) on page 5‑45 for more
information on DIC programming.
Lockout Protection
If the driver side power door lock
switch is pressed when the driver
door is open and the key is in the
ignition, all of the doors will lock and
then the driver door will unlock.
If the passenger side power door
lock switch is pressed when the
front passenger door is open and
the key is in the ignition, all of the
doors will lock and then the front
passenger door will unlock.
Safety Locks
The vehicle has rear door security
locks to prevent passengers from
opening the rear doors from the
inside.

Black plate (13,1)Chevrolet Tahoe/Suburban Owner Manual - 2012
Keys, Doors, and Windows 2-13
Power Assist Steps
The vehicle may have power assist
steps.
The switch used to disable the
power assist steps is located on the
center console below the climate
control system.
The power assist steps
automatically extend from beneath
the vehicle on the side in which the
door has been opened. Once the
door is closed, the assist steps
automatically move back under
the vehicle after a brief delay. The
vehicle must not be moving for the
assist steps to extend or retract.
The assist steps cannot be disabled
in the extended position.
Vehicle Security
This vehicle has theft-deterrent
features; however, they do not make
it impossible to steal.
Anti-theft Alarm System
Your vehicle has a content
theft-deterrent alarm system.
This is the security light.
To arm the theft-deterrent system:
1. Open the door.
2. Lock the door with the RemoteKeyless Entry (RKE) transmitter
or the power door lock switch.
The security light will come on to
inform the driver the system is arming. If a door is open when
the doors are locked, the
security light will flash.
If the delayed locking feature is
turned on, the theft‐deterrent
system will not start the arming
process until the last door is
closed and the delay timer has
expired. See
Delayed Locking
on page 2‑8.
3. Close all doors. The security light should go off after about
30 seconds. The alarm is not
armed until the security light
goes off.
If a locked driver door is opened
without using the RKE transmitter,
a 10-second pre-alarm will occur.
The horn will chirp and the lights will
flash. If the key is not placed in the
ignition and turned to START or the
door is not unlocked by pressing
the unlock button on the RKE
transmitter during the 10-second
pre-alarm, the alarm will go off.

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 (15,1)Chevrolet Tahoe/Suburban Owner Manual - 2012
Keys, Doors, and Windows 2-15
The system is automatically armed
when the key is removed from the
ignition.
The system is automatically
disarmed when the key is turned
to ON/RUN, ACC/ACCESSORY,
or START from the LOCK/OFF
position.
You do not have to manually arm or
disarm the system.
The security light will come on if
there is a problem with arming or
disarming the theft-deterrent
system.
When the PASS-Key III+ system
senses that someone is using the
wrong key, it prevents the vehicle
from starting. Anyone using a
trial-and-error method to start the
vehicle will be discouraged because
of the high number of electrical key
codes.If the engine does not start and the
security light on the instrument
panel cluster comes on when trying
to start the vehicle, there may be
a problem with the theft-deterrent
system. Turn the ignition off and try
again.
If the engine still does not start, and
the key appears to be undamaged,
try another ignition key. At this time,
you may also want to check the
fuse. See
Fuses and Circuit
Breakers on page 10‑37. If the
engine still does not start with the
other key, the vehicle needs service.
If the vehicle does start, the first key
may be faulty. See your dealer who
can service the PASS-Key III+ to
have a new key made.
It is possible for the PASS-Key III+
decoder to learn the transponder
value of a new or replacement key.
Up to 10 keys may be programmed
for the vehicle. The following
procedure is for programming additional keys only. If all the
currently programmed keys are lost
or do not operate, you must see
your dealer or a locksmith who
can service PASS-Key III+ to have
keys made and programmed to the
system.
See your dealer or a locksmith who
can service PASS-Key III+ to get a
new key blank cut exactly as the
ignition key that operates the
system.
To program the new additional key:
1. Verify that the new key has
a
1stamped on it.
2. Insert the original, already programmed key in the ignition
and start the engine. If the
engine will not start, see your
dealer for service.
3. After the engine has started, turn the key to LOCK/OFF, and
remove the key.

Black plate (16,1)Chevrolet Tahoe/Suburban Owner Manual - 2012
2-16 Keys, Doors, and Windows
4. Insert the new key to beprogrammed and turn it to
the ON/RUN position within
five seconds of turning the
ignition to the LOCK/OFF
position in Step 3.
The security light will turn
off once the key has been
programmed.
5. Repeat Steps 1 through 4 if additional keys are to be
programmed.
If you lose or damage your
PASS-Key III+ key, see your dealer
or a locksmith who can service
PASS-Key III+ to have a new
key made.
Do not leave the key or device
that disarms or deactivates the
theft-deterrent system in the vehicle.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
Vehicles with outside manual
mirrors 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.
Using hood-mounted air deflectors
and add-on convex mirror
attachments could decrease mirror
performance.

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 (21,1)Chevrolet Tahoe/Suburban Owner Manual - 2012
Keys, Doors, and Windows 2-21
The power window switches are
located on each of the side doors.
The driver door also has switches
that control the front passenger and
rear windows. The power windows
work when the ignition is in ON/
RUN or ACC/ACCESSORY, or in
Retained Accessory Power (RAP).
SeeRetained Accessory Power
(RAP) on page 9‑26.
Press the switch to lower the
window. Pull up the front of the
switch to raise the window.
Express Down Windows
Windows that have the
express‐down feature allow the
windows to be lowered without
holding the switch. Press the
window switch fully and release
it to activate the express‐down
feature. The express mode can be
canceled at any time by briefly
pressing, or pulling the switch.
Window Lockout
o(Window Lockout): The
window lockout switch is on the
driver door. This feature prevents
the rear passenger windows from
operating, except from the driver
position. Press the switch to turn
the lockout feature on or off. An
indicator light shows the feature
is on.
Sun Visors
Pull the sun visor down to block
glare. Detach the sun visor from the
center mount to pivot to the side
window, or to extend along the rod,
if available.

Black plate (22,1)Chevrolet Tahoe/Suburban Owner Manual - 2012
2-22 Keys, Doors, and Windows
Roof
Sunroof
A. Open or Close Sunroof
B. Vent
On vehicles with a sunroof, there
are two sunroof switches on the
overhead console above the
rearview mirror.
The sunroof only operates when
the ignition is in ON/RUN or ACC/
ACCESSORY, or in RetainedAccessory Power (RAP). See
Retained Accessory Power (RAP)
on page 9‑26
for more information.
To open or close the sunroof, press
the open or close switch (A) to the
first detent position.
To express open or close the
sunroof, press the open or close
switch (A) to the second detent
position and release. To stop the
movement, press the switch again.
The sunroof has a comfort stop
feature which stops the sunroof from
opening to the full-open position.
From the comfort stop position,
press the open or close switch (A) a
second time to open the sunroof to
the full-open position.
To automatically vent or close the
sunroof, press the vent open or
close switch (B).
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.

Black plate (8,1)Chevrolet Tahoe/Suburban Owner Manual - 2012
3-8 Seats and Restraints
Memory Remote Recall
The memory feature can recall the
driver seat, outside mirrors, and
pedals, if equipped, to stored
positions when entering the vehicle.
To activate, unlock the driver
door with the Remote Keyless
Entry (RKE) transmitter. The driver
seat, outside mirrors, and adjustable
pedals, if equipped, will move to the
memory position associated with the
transmitter used to unlock the
vehicle.
This feature can be turned on or off
using the vehicle personalization
menu. SeeVehicle Personalization
(With DIC Buttons) on page 5‑45 for
more information.
To stop recall movement, press one
of the power seat controls, memory
buttons, or power mirror buttons,
or the adjustable pedal switch. If something has blocked the driver
seat and/or the 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.
Easy Exit Driver Seat
This feature can move the seat
rearward to allow extra room to exit
the vehicle.
B(Easy Exit Driver Seat):
Press
to recall the easy exit seat position.
The vehicle must be in P (Park).
If the easy exit seat feature is
programmed on in the vehicle
personalization menu, automatic
seat movement occurs when the
ignition key is removed. A single beep sounds. The driver
seat moves back approximately
8 cm (3 in). To move the seat back
farther, press
Bagain until the
seat is all the way back.
If something has blocked the driver
seat while recalling the exit position,
the recall may stop. Remove the
obstruction; then press and hold
the power seat control rearward for
two seconds. Try recalling the exit
position again. If the exit position is
still not recalling, see your dealer for
service.
See Vehicle Personalization (With
DIC Buttons) on page 5‑45 for more
information.

Black plate (9,1)Chevrolet Tahoe/Suburban Owner Manual - 2012
Seats and Restraints 3-9
Heated and Ventilated
Front Seats
{WARNING
If you cannot feel temperature
change or pain to the skin, the
seat heater may cause burns
even at low temperatures. To
reduce the risk of burns, people
with such a condition should use
care when using the seat heater,
especially for long periods of
time. Do not place anything on
the seat that insulates against
heat, such as a blanket, cushion,
cover, or similar item. This
may cause the seat heater to
overheat. An overheated seat
heater may cause a burn or may
damage the seat.
Heated and Cooled Seat ButtonsShown, Heated Seat Buttons Similar
If available, the buttons are on the
front doors.
H(Cooled Seat): If available,
press to cool the seat.
I(Heated Seatback): Press to
heat the seatback only.
J(Heated Seat and Seatback):
Press to heat the seat and
seatback. 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 lights indicate
three for the highest setting and
one for the lowest.
The passenger seat may take
longer to heat up.
On vehicles with heated seats,
the heated seats are canceled
10 seconds after the ignition is
turned off.
On vehicles with heated and cooled
seats, the heated and cooled seats
are canceled when the ignition is
turned off.
To use this feature after restarting
the vehicle, press the desired button
again.