sensor CADILLAC XLR 2009 1.G Owners Manual

Page 46 of 462

When Should an Airbag Inate?
Frontal airbags are designed to inate in moderate to
severe frontal or near-frontal crashes to help reduce the
potential for severe injuries mainly to the driver’s or right
front passenger’s head and chest. However, they are only
designed to inate if the impact exceeds a predetermined
deployment threshold. Deployment thresholds 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.
Frontal airbags may inate at different crash speeds.
For example:
If the vehicle hits a stationary object, the airbags
could inate at a different crash speed than if the
vehicle hits a moving object.
If the vehicle hits an object that deforms, the
airbags could inate at a different crash speed than
if the vehicle hits an object that does not deform.
If the vehicle hits a narrow object (like a pole), the
airbags could inate at a different crash speed
than if the vehicle hits a wide object (like a wall).
If the vehicle goes into an object at an angle, the
airbags could inate at a different crash speed
than if the vehicle goes straight into the object.Thresholds can also vary with specic vehicle design.
In addition, your vehicle has dual-stage frontal airbags.
Dual-stage airbags 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, dual-stage
airbags inate at a level less than full deployment.
For more severe frontal impacts, full deployment occurs.
Frontal airbags are not intended to inate during
vehicle rollovers, rear impacts, or in many side impacts.
The vehicle has seat-mounted side impact airbags.
SeeAirbag System on page 1-38. Seat-mounted side
impact airbags are intended to inate in moderate
to severe side crashes. Seat-mounted side impact
airbags will inate if the crash severity is above
the system’s designed threshold level. The threshold
level can vary with specic vehicle design.
Seat-mounted side impact airbags are not intended to
inate in frontal impacts, near-frontal impacts, rollovers,
or rear impacts. A seat-mounted side impact airbag is
intended to deploy on the side of the vehicle that is
struck.
The vehicle has seat position sensors which enables the
sensing system to monitor the position of the driver seat
and the right front passenger seat. Seat position sensors
provide information that is used to determine if the
airbags should deploy at a reduced level or at full
deployment.
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The passenger sensing system will turn off the right
front passenger frontal airbag and seat-mounted
side impact airbag under certain conditions. The driver
airbags are not affected by the passenger sensing
system.
The passenger sensing system works with sensors that
are part of the right front passenger seat. The sensors
are designed to detect the presence of a properly-seated
occupant and determine if the right front passenger
frontal airbag and seat-mounted side impact airbag
should be enabled (may inate) or not.
According to accident statistics, children are safer when
properly secured in a rear seat in the correct child
restraint for their weight and size. We recommend that
rear-facing child restraints not be transported in the
vehicle, even if the airbags are off.
A label on the 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 airbag inates. This is because the
back of the rear-facing child restraint would be
very close to the inating airbag. A child in a
forward-facing child restraint can be seriously
injured or killed if the right front passenger airbag
inates and the passenger seat is in a forward
position.
Even if the passenger sensing system has turned
off the right front passenger frontal airbag and
seat-mounted side impact airbag (if equipped),
no system is fail-safe. No one can guarantee that
an airbag will not deploy under some unusual
circumstance, even though the airbag(s) are off.
Secure rear-facing child restraints in a rear seat,
even if the airbag(s) are off. If you 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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Page 54 of 462

Servicing Your Airbag-Equipped
Vehicle
Airbags affect how the vehicle should be serviced.
There are parts of the airbag system in several places
around the vehicle. Your dealer/retailer and the
service manual have information about servicing the
vehicle and the airbag system. To purchase a service
manual, seeService Publications Ordering Information
on page 8-15.
{CAUTION:
For up to 10 seconds after the ignition is turned off
and the battery is disconnected, an airbag can still
inate during improper service. You can be injured
if you are close to an airbag when it inates. Avoid
yellow connectors. They are probably part of the
airbag system. Be sure to follow proper service
procedures, and make sure the person performing
work for you is qualied to do so.
Adding Equipment to Your
Airbag-Equipped Vehicle
Q:Is there anything I might add to or change
about 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. Changing or moving any parts of
the front seats, safety belts, the airbag sensing and
diagnostic module, steering wheel, instrument panel,
the inside review mirror, front sensors, or airbag
wiring can affect the operation of the airbag system.
In addition, the vehicle has a passenger sensing
system for the right front passenger position, which
includes sensors that are part of the passenger seat.
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The passenger sensing system may not operate
properly if the original seat trim is replaced
with non-GM covers, upholstery or trim, or
with GM covers, upholstery or trim designed
for a different vehicle. Any object, such as an
aftermarket seat heater or a comfort enhancing
pad or device, installed under or on top of the
seat fabric, could also interfere with the
operation of the passenger sensing system.
This could either prevent proper deployment of
the passenger airbag(s) or prevent the passenger
sensing system from properly turning off the
passenger airbag(s). SeePassenger Sensing
System on page 1-45.
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 8-2.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: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. See
Customer Satisfaction Procedure on page 8-2.
Your dealer/retailer and the service manual have
information about the location of the airbag sensors,
sensing and diagnostic module and airbag wiring.
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Page 63 of 462

Changes or modications to this system by other than
an authorized service facility could void authorization to
use this equipment.
If there is a decrease in the keyless access transmitter
range, try this:
Check the distance. The transmitter may be too far
from the vehicle. It may be necessary to stand
closer during rainy or snowy weather.
Check the location. Other vehicles or objects may
be blocking the signal. Take a few steps to the
left or right, hold the transmitter higher, and
try again.
Check the transmitter’s battery. See “Battery
Replacement” underKeyless Access System
Operation on page 2-5.
Make sure that an electronic device such as a
cellular phone or lap top computer is not causing
interference.
If the transmitter is still not working correctly, see
your dealer/retailer or a qualied technician for
service.
Keyless Access System Operation
The Keyless Access System transmitter functions
work up to 100 feet (30 m) away from the vehicle.
Keyless Unlocking
Press the door handle sensor to unlock and open the
doors if the keyless access transmitter is within range.
SeeDoor Locks on page 2-10and “Passive Unlocking”
underDIC Vehicle Personalization on page 3-72for
additional information.
Keyless Locking
The doors lock after several seconds if all doors are
closed and at least one keyless access transmitter
has been removed from the interior of the vehicle.
To customize whether the doors automatically lock when
exiting the vehicle, see″Passive Locking″underDIC
Vehicle Personalization on page 3-72for additional
information.
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Keyless Trunk Opening
Press the trunk release sensor, located on the rear of
the trunk lid under the emblem, to open the trunk if the
keyless access transmitter is within range. SeeTrunk
on page 2-14for additional information.
There are other conditions which can affect the
performance of the transmitter. SeeKeyless Access
System on page 2-4.
This vehicle comes with
two transmitters.
Q(Lock):Press to lock
the doors. The indicator
light on the door ashes
once. If
Qis pressed twice,
the doors lock, the light
ashes once and the horn
sounds once.
K(Unlock):Press once to unlock the driver door.
The indicator light on the door ashes twice.
Press
Ktwice within ve seconds to unlock both
doors. The interior lamps may come on.Pressing
Kalso recalls the memory settings. See
Memory Seat, Mirrors and Steering Wheel on page 1-3
for more information.
G(Trunk):Press and hold for about one second to
open the trunk. If the engine is running, the shift lever
must be in P (Park).
L(Panic):Press to sound the vehicle alarm. Press
any other button on the keyless access transmitter
to stop the vehicle alarm.
The vehicle comes with two transmitters. Each
transmitter will have a number on top of it,″1″or″2″.
These numbers correspond to the driver of the vehicle.
For example, the memory seat position for driver 1
will be recalled when using the transmitter labeled″1″,
if enabled through the vehicle personalization. See
Memory Seat, Mirrors and Steering Wheel on page 1-3
andDIC Vehicle Personalization on page 3-72.
Programming Transmitters to the
Vehicle
Only keyless access transmitters programmed to this
vehicle will work. If a transmitter is lost or stolen, a
replacement can be purchased and programmed through
your dealer/retailer. The vehicle can be reprogrammed so
that lost or stolen transmitters no longer work. Each
vehicle can have up to four transmitters programmed to it.
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Page 69 of 462

To lock or unlock your vehicle from the outside, use the
keyless access transmitter and press the appropriate
lock or unlock button. You may also unlock and open the
door passively when you squeeze the door handle
sensor, as long as you have your transmitter with you.
Passive entry occurs when the door handle sensor
is pressed and the vehicle recognizes your keyless
access transmitter. When the passenger door is opened
rst, the driver door will also become unlocked.
From the inside, use the power door lock buttons
located at the top of the door panel near the window.
SeePower Door Locks on page 2-13for more
information.
To open a door from the inside, press the button in front
of the door handle and push the door open.
If power to the vehicle or the keyless access transmitter
is lost, there are two ways to open the door.
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You can also pressGon the keyless access
transmitter to open the trunk. To disable this feature,
see “Valet Lockout Switch” underTheft-Deterrent
Systems on page 2-20.
You may passively enter the trunk when you squeeze the
trunk release sensor located on the rear of the trunk lid
under the emblem, as long as you have your transmitter
with you. The vehicle must be in PARK (P) and the valet
lockout switch must be off. SeeValet Lockout Switch on
page 2-22.
To close the trunk, press
Gon the underside of the
trunk lid.
To stop the trunk lid while it is closing, do one of the
following:
Press the trunk lock release button located on the
instrument panel.
Use the vehicle key.
Squeeze the trunk release sensor located on the
rear of the trunk lid.
PressGon the keyless access transmitter.
Press the trunk close button on the underside of the
trunk lid.
To begin opening the trunk from the stopped position,
use any of the methods above, except pressing the trunk
close button.
To resume closing the power trunk lid, press the trunk
close button on the underside of the trunk lid.
If the vehicle has lost battery power, you can still open
the trunk using the vehicle key. SeeKeys on page 2-3
for more information.
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Arming the System
To arm the system:
PressQon the keyless access transmitter.
Open the door. Lock the door with the power door
lock switch. The security light should ash. Remove
the keyless access transmitter from the interior of the
vehicle and close the door. The security light will stop
ashing and stay on. After 30 seconds, the light
should turn off.
The vehicle can be programmed to automatically lock
the doors and arm the system when you exit the
vehicle. SeeDIC Vehicle Personalization on
page 3-72.
Now, if a door or the trunk lid is opened without the
keyless access transmitter, the alarm will go off.
The horn will sound for two minutes, then it will go
off to save battery power. And, the vehicle will not
start without a keyless transmitter present.
The theft-deterrent system will not arm if you lock the
driver door with the power door lock switch after
the doors are closed.
If the passenger stays in the vehicle when you leave with
the keyless access transmitter, have the passenger lock
the vehicle after the doors are closed. This way the alarm
will not arm, and the passenger will not set it off.
Testing the Alarm
To test the system:
1. Close the trunk lid.
2. Lower the window on the driver door.
3. Manually arm the system.
4. Close the doors and wait 30 seconds.
5. Reach through the open window and manually pull
the release lever on the oor.
6. Turn off the alarm by pressing
Kon the transmitter.
If the alarm is inoperative, check to see if the horn
works. If not, check the horn fuse. SeeFuses and Circuit
Breakers on page 6-83. If the horn works, but the
alarm doesn’t go off, see your dealer/retailer.
Disarming the System
Always use the keyless access transmitter to unlock a
door either by pressing
Kon the transmitter or by
squeezing the door handle sensor while you have the
transmitter with you. Unlocking a door any other way will
set off the alarm. If the alarm sounds, press
Kon the
keyless access transmitter to disarm it.
Do not leave the key or device that disarms or
deactivates the theft deterrent system in the vehicle.
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Page 98 of 462

Object Detection Systems
Ultrasonic Rear Parking
Assist (URPA)
For vehicles with the URPA system, it operates at speeds
less than 3 mph (5 km/h), and assists the driver with
parking and avoiding objects while in R (Reverse).
The sensors on the rear bumper are used to detect the
distance to an object up to 5 feet (1.5 m) behind the
vehicle, and at least 10 inches (25.4 cm) off the ground.
{CAUTION:
The Ultrasonic Rear Parking Assist (URPA) system
does not replace driver vision. It cannot detect:
objects that are below the bumper, underneath
the vehicle, or if they are too close or far from
the vehicle
children, pedestrians, bicyclists, or pets.
CAUTION: (Continued)
CAUTION: (Continued)
If you do not use proper care before and while
backing; vehicle damage, injury, or death could
occur. Even with URPA, always check behind the
vehicle before backing up. While backing, be sure
to look for objects and check the vehicle’s mirrors.
The display is located
between the driver and
passenger seatbacks.
URPA uses three color-coded lights to provide distance
and system information.
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