ECU BUICK LACROSSE 2006 Owner's Guide

Page 64 of 444

{CAUTION:
Anyone who is up against, or very close to,
any airbag when it inates can be seriously
injured or killed. Airbags plus lap-shoulder
belts offer the best protection for adults, but
not for young children and infants. Neither
the vehicle’s safety belt system nor its airbag
system is designed for them. Young children
and infants need the protection that a child
restraint system can provide. Always secure
children properly in your vehicle. To read how,
seeOlder Children on page 1-30orInfants and
Young Children on page 1-33.There is an airbag
readiness light on the
instrument panel cluster,
which shows the airbag
symbol.
The system checks the airbag electrical system for
malfunctions. The light tells you if there is an electrical
problem. SeeAirbag Readiness Light on page 3-34
for more information.
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{CAUTION:
If something is between an occupant and an
airbag, the bag might not inate properly or it
might force the object into that person causing
severe injury or even death. The path of an
inating airbag must be kept clear. Do not put
anything between an occupant and an airbag,
and do not attach or put anything on the
steering wheel hub or on or near any other
airbag covering. And, if your vehicle has
roof-mounted side impact airbags, never
secure anything to the roof of your vehicle
by routing the rope or tiedown through any
door or window opening. If you do, the path
of an inating side impact airbag will be
blocked. The path of an inating airbag
must be kept clear.
When Should an Airbag Inate?
The driver’s and right front passenger’s frontal airbags
are designed to inate in moderate to severe frontal or
near-frontal crashes. But they are designed to inate only
if the impact exceeds a predetermined deployment
threshold. Deployment thresholds take into account a
variety of desired deployment and non-deployment
events and are used to predict how severe a crash is
likely to be in time for the airbags to inate and help
restrain the occupants. Whether your frontal airbags will
or should deploy is not based on how fast your vehicle is
traveling. It depends largely on what you hit, the direction
of the impact and how quickly your vehicle slows down.
In addition, your vehicle has “dual-stage” frontal airbags,
which adjust the restraint according to crash severity.
Your vehicle has electronic frontal sensors which help the
sensing system distinguish between a moderate frontal
impact and a more severe frontal impact. For moderate
frontal impacts, these airbags inate at a level less than
full deployment. For more severe frontal impacts, full
deployment occurs. If the front of your vehicle goes
straight into a wall that does not move or deform, the
threshold level for the reduced deployment is about
12 to 16 mph (19 to 26 km/h), and the threshold level
for a full deployment is about 18 to 22 mph
(29 to 35.5 km/h).
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The passenger sensing system works with sensors
that are part of the right front passenger’s seat.
The sensors are designed to detect the presence
of a properly-seated occupant and determine if
the passenger’s frontal airbag should be enabled
(may inate) or not.
Accident statistics show that children are safer if they
are restrained in the rear rather than the front seat.
We recommend that child restraints be secured in a
rear seat, including an infant riding in a rear-facing infant
seat, a child riding in a forward-facing child seat, and
an older child riding in a booster seat.
Your vehicle has a rear seat that will accommodate a
rear-facing child restraint. A label on your sun visor says,
“Never put a rear-facing child seat in the front.” This
is because the risk to the rear-facing child is so great,
if the airbag deploys.
{CAUTION:
A child in a rear-facing child restraint can
be seriously injured or killed if the right front
passenger’s airbag inates. This is because
the back of the rear-facing child restraint
would be very close to the inating airbag.
Even though the passenger sensing system
is designed to turn off the passenger’s frontal
airbag if the system detects a rear-facing child
restraint, no system is fail-safe, and no one
can guarantee that an airbag will not deploy
under some unusual circumstance, even
though it is turned off. We recommend that
rear-facing child restraints be secured in the
rear seat, even if the airbag is off.
If you need to secure a forward-facing child
restraint in the right front seat, always move
the front passenger seat as far back as it will
go. It is better to secure the child restraint in
a rear seat.
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The passenger sensing system is designed to turn off
the right front passenger’s frontal airbag if:
the right front passenger seat is unoccupied
the system determines that an infant is present in
a rear-facing infant seat
the system determines that a small child is present
in a forward-facing child restraint
the system determines that a small child is present
in a booster seat
a right front passenger takes his/her weight off of
the seat for a period of time
the right front passenger seat is occupied by a
smaller person, such as a child who has outgrown
child restraints
or if there is a critical problem with the airbag
system or the passenger sensing system.
When the passenger sensing system has turned off the
right front passenger’s frontal airbag, the off indicator
on the instrument panel will light and stay lit to remind
you that the airbag is off.
If a child restraint has been installed and the on
indicator is lit, turn the vehicle off. Remove the child
restraint from the vehicle and reinstall the child restraint
following the child restraint manufacturer’s directions
and refer toSecuring a Child Restraint in the Right Front
Seat Position on page 1-52.If after reinstalling the child restraint and restarting the
vehicle, the on indicator is still lit, check to make sure that
the vehicle’s seatback is not pressing the child restraint
into the seat cushion. If this happens, slightly recline the
vehicle’s seatback and adjust the seat cushion if
possible. Also make sure the child restraint is not trapped
under the vehicle head restraint. If this happens, adjust
the head restraint.
If the on indicator is still lit, secure the child in the child
restraint in a rear seat position in the vehicle and
check with your dealer.
The passenger sensing system is designed to enable
(may inate) the right front passenger’s frontal airbag
anytime the system senses that a person of adult size is
sitting properly in the right front passenger’s seat. When
the passenger sensing system has allowed the airbag to
be enabled, the on indicator will light and stay lit to remind
you that the airbag is active.
For some children who have outgrown child restraints
and for very small adults, the passenger sensing system
may or may not turn off the right front passenger’s
frontal airbag, depending upon the person’s seating
posture and body build. Everyone in your vehicle who
has outgrown child restraints should wear a safety
belt properly — whether or not there is an airbag for
that person.
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Page 74 of 444

If a person of adult-size is sitting in the right front
passenger’s seat, but the off indicator is lit, it could be
because that person is not sitting properly in the seat.
If this happens, turn the vehicle off and ask the person
to place the seatback in the fully upright position, then sit
upright in the seat, centered on the seat cushion, with the
person’s legs comfortably extended. Restart the vehicle
and have the person remain in this position for about
two minutes. This will allow the system to detect that
person and then enable the passenger’s airbag.
{CAUTION:
If the airbag readiness light in the instrument
panel cluster ever comes on and stays on, it
means that something may be wrong with the
airbag system. If this ever happens, have the
vehicle serviced promptly, because an
adult-size person sitting in the right front
passenger’s seat may not have the protection
of the frontal airbag. SeeAirbag Readiness
Light on page 3-34for more on this, including
important safety information.
A thick layer of additional material such as a blanket,
or aftermarket equipment such as seat covers, seat
heaters, and seat massagers, can affect how well the
passenger sensing system operates. Remove any
additional material from the seat cushion before
reinstalling or securing the child restraint and before
a small occupant, including a small adult, sits in the right
front passenger’s seat. You may want to consider not
using seat covers or other aftermarket equipment if
your vehicle has the passenger sensing system.
SeeAdding Equipment to Your Airbag-Equipped Vehicle
on page 1-70for more information about modications
that can affect how the system operates.
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Adding Equipment to Your
Airbag-Equipped Vehicle
Q:Is there anything I might add to the front or
sides of the vehicle that could keep the
airbags from working properly?
A:Yes. If you add things that change your vehicle’s
frame, bumper system, height, front end or side
sheet metal, they may keep the airbag system
from working properly. Also, the airbag system
may not work properly if you relocate any of the
airbag sensors. If you have any questions about
this, you should contact Customer Assistance before
you modify your vehicle. The phone numbers and
addresses for Customer Assistance are in Step Two
of the Customer Satisfaction Procedure in this
manual. SeeCustomer Satisfaction Procedure
on page 7-2.
Q:Because I have a disability, I have to get my
vehicle modied. How can I nd out whether
this will affect my airbag system?
A:Changing or moving any parts of the front seats,
safety belts, the airbag sensing and diagnostic
module, steering wheel, instrument panel, ceiling
headliner, ceiling and pillar garnish trim,
roof-mounted airbag modules, or airbag wiring can
affect the operation of the airbag system. If you have
questions, call Customer Assistance. The phone
numbers and addresses for Customer Assistance
are in Step Two of the Customer Satisfaction
Procedure in this manual. SeeCustomer Satisfaction
Procedure on page 7-2.
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Page 79 of 444

Keys...............................................................2-2
Remote Keyless Entry System.........................2-3
Remote Keyless Entry System Operation...........2-4
Doors and Locks............................................2-10
Door Locks..................................................2-10
Power Door Locks........................................2-11
Delayed Locking...........................................2-11
Automatic Door Lock.....................................2-12
Rear Door Security Locks..............................2-12
Lockout Protection........................................2-13
Trunk..........................................................2-13
Windows........................................................2-16
Power Windows............................................2-17
Sun Visors...................................................2-18
Theft-Deterrent Systems..................................2-18
Content Theft-Deterrent.................................2-18
PASS-Key
®III ..............................................2-20
PASS-Key®III Operation...............................2-21
Starting and Operating
Your Vehicle...............................................2-22
New Vehicle Break-In....................................2-22
Ignition Positions..........................................2-23
Retained Accessory Power (RAP)...................2-23
Starting the Engine.......................................2-24
Engine Coolant Heater..................................2-25
Automatic Transaxle Operation.......................2-26Parking Brake..............................................2-30
Shifting Into Park (P).....................................2-31
Shifting Out of Park (P).................................2-33
Parking Over Things That Burn.......................2-34
Engine Exhaust............................................2-34
Running the Engine While Parked...................2-35
Mirrors...........................................................2-36
Manual Rearview Mirror.................................2-36
Manual Rearview Mirror with OnStar
®..............2-36
Automatic Dimming Rearview Mirror................2-36
Automatic Dimming Rearview Mirror
with OnStar
®............................................2-37
Outside Power Mirrors...................................2-37
Outside Power Heated Mirrors........................2-38
Outside Convex Mirror...................................2-38
OnStar
®System.............................................2-38
Universal Home Remote System......................2-40
Universal Home Remote System Operation......2-41
Storage Areas................................................2-44
Glove Box...................................................2-44
Cupholder(s)................................................2-45
Center Console Storage Area.........................2-46
Convenience Net..........................................2-46
Sunroof.........................................................2-47
Section 2 Features and Controls
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Page 90 of 444

Automatic Door Lock
The vehicle’s doors are programmed from the factory
to lock when the shift lever is moved into a forward
gear, and to unlock when the shift lever is moved
into PARK (P).
If someone needs to get in or out of the vehicle after
the doors have been locked, place the shift lever into
PARK (P). You may also unlock all doors using the
power door lock switch or unlock one door using the
inside manual door lock.
If your vehicle has a Driver Information Center (DIC),
there are different programming options for locking and
unlocking the doors automatically. SeeDIC Vehicle
Personalization on page 3-75.
Rear Door Security Locks
Your vehicle may have rear door security locks. These
prevent passengers from opening the rear doors
from the inside.
The rear door security locks
are located on the inside
edge of each rear door.
You must open the rear
doors to access them.
To set the locks, do the following:
1. Insert the key into the security lock slot and turn it
so the slot is in the horizontal position.
2. Close the door.
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When you want to open a rear door when the security
lock is on, do the following:
1. Unlock the door using the remote keyless entry
transmitter, if equipped, the power door lock
switch, or by lifting the rear door manual lock.
2. Open the door from the outside.
To cancel the rear door security lock, do the following:
1. Unlock the door and open it from the outside.
2. Insert the key into the security lock slot and turn
it so the slot is in the vertical position.
Lockout Protection
The lockout protection feature makes it more difficult
to lock the key in the vehicle. If the driver’s door is open
while the key is in the ignition, the door cannot be locked
with the power door lock switch.
This feature cannot guarantee that you will never be
locked out of the vehicle. If the key is not left in the
ignition, or, if the manual door lock is used, the key
could still be locked inside the vehicle. Always
remember to take the key with you.
Trunk
{CAUTION:
It can be dangerous to drive with the trunk lid
open because carbon monoxide (CO) gas can
come into your vehicle. You cannot see or
smell CO. It can cause unconsciousness and
even death. If you must drive with the trunk lid
open or if electrical wiring or other cable
connections must pass through the seal
between the body and the trunk lid:
Make sure all other windows are shut.
Turn the fan on your heating or cooling
system to its highest speed and select the
control setting that will force outside air
into your vehicle. See Climate Control
System.
If you have air outlets on or under the
instrument panel, open them all the way.
SeeEngine Exhaust on page 2-34.
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Page 93 of 444

Emergency Trunk Release Handle
Notice:Do not use the emergency trunk release
handle as a tie-down or anchor point when securing
items in the trunk as it could damage the handle. The
emergency trunk release handle is only intended to
aid a person trapped in a latched trunk, enabling
them to open the trunk from the inside.
There is a glow-in-the-dark emergency trunk release
handle located on the trunk latch of the trunk lid.
This handle will glow following exposure to light.
If ever needed, pull the emergency trunk release
handle to open the trunk from the inside.
Trunk Lid Pull Down Handle and
Tie-Down Features
Your vehicle has a trunk lid pull down handle (A) located
on the inside of the trunk lid on the driver’s side of the
vehicle. Use the handle to pull down the trunk lid when
closing it.
Your vehicle also has a tie-down feature (B) located on
the inside the trunk lid on the passenger’s side of the
vehicle that can be used to secure the trunk lid when
large items are stored in the trunk.
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