low LEXUS SC300 1999 Repair Manual
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The SRS airbag system is designed to activate in response
to a severe frontal impact within the shaded area between
the arrows in the illustration.
There may be the case that the SRS airbags will not activate
with such an impact in which the occupant wearing the seat
belt correctly would not get serious injury.
The SRS airbags will deploy if the severity of the impact is
above the designed threshold level, comparable to an
approximate 20 km/h (14 mph) collision when impacting
straight into a fixed barrier that does not move or deform.
If the severity of the impact is below the above threshold
level, the SRS airbags may not deploy.
However, this threshold velocity will be considerably higher
if the vehicle strikes an object, such as a parked vehicle or sign
pole, which can move or deform on impact, or if it is involved
in an underride collision (a collision in which the nose of the
vehicle ºunderridesº, or goes under, the bed of a truck, etc.). It is possible with collision severity at the marginal level of
airbag sensor detection and activation that only one of your
vehicle's two airbags will deploy.
For the safety of all occupants, be sure to always wear seat
belts.
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The SRS airbags are not designed to inflate if the vehicle
is subjected to a side or rear impact, if it rolls over, or if it
is involved in a low±speed frontal collision.
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A forward±facing child restraint system should be
allowed to put on the front seat only when it is
unavoidable. Always move the seat as far back as
possible, because the force of a deploying airbag
could cause death or serious injury to the child. For
instructions concerning the installation of a child
restraint system, see ºChild restraintº on page 143.
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Do not allow a child to stand up, or to kneel on the
front passenger seat. The airbag inflates with
considerable speed and force; the child may be killed
or seriously injured.
Do not hold a child on your lap or in your arms. Use
a child restraint system in the rear seat. For
instructions concerning the installation of a child
restraint system, see ºChild restraintº on page 143.
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Do not put objects or your pets on or in front of the
dashboard or steering wheel pad that houses the
driver and front passenger airbag system. They
might restrict inflation or cause death or serious
injury as they are pr ojected rearward by the force of
the deploying airbags. Likewise, the driver and
front passenger should not hold things in their arms
or on their knees.
Do not modify or r emove any wiring. Do not modify,
remove or open any components, such as the steering
wheel pad, steering wheel, column cover, front
passenger airbag cover, front passenger airbag, or
airbag sensor assembly. Doing any of these may
cause sudden SRS airbag inflation or disable the
system, which could result in death or serious injury.
Failure to follow these instructions can result in death
or serious injuries.
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NOTICE
Do not perform any of the following changes without
consulting your Lexus dealer. Such changes can
interfere with proper operation of the SRS airbag system
in some cases.
Installation of electronic items such as a mobile
two±way radio, cassette tape player or compact disc
player.
Modification of the suspension system.
Modification of the front end structure.
Attachment of a grille guard (bull bar, kangaroo bar,
etc.), snow plow, winches or any other equipment to
the front end.
Repairs made on or near the front fenders, console,
steering column, steering wheel or dashboard near the
front passenger airbag.
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This SRS airbag system has a service reminder indicator to
inform the driver of operating problems. If either of the
following conditions occurs, this indicates a malfunction of
the airbags. Contact your Lexus dealer as soon as possible to
service the vehicle.
The light does not come on when the ignition key is turned
to the ºACCº or ºONº position, or remains on.
The light comes on while driving.
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In the following cases, contact your Lexus dealer as soon as
possible:
The SRS airbags have been inflated.
The front part of the vehicle (shaded in the illustration) was
involved in an accident that did not cause the SRS airbags
to inflate.
The pad section of the steering wheel or front passenger
airbag cover (shaded in the illustration) is scratched,
cracked, or otherwise damaged.
NOTICE
Do not disconnect the battery cables before contacting
your Lexus dealer.
CHILD RESTRAINT
Child restraint precautions
Lexus strongly urges the use of child restraint systems for
children small enough to use them.
The laws of all fifty states in the U.S.A. now require the use
of a child restraint system.
Your vehicle conforms to SAE J1819.
If a child is too large for a child restraint system, the child
should sit in the rear seat and must be restrained using the
vehicle's seat belt. See ºSeat beltsº on page 115 for details.
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CAUTION
For effective protection in automobile accidents and
sudden stops, children must be properly restrained.
Holding a child in your arms is not a substitute for a child
restraint system using a seat belt or child restraint
depending on age and size. In an accident, the child can be
crushed against the windshield, or between you and the
vehicle's interior if you are unrestrained.
Lexus strongly urges use of a proper child restraint which
conforms to the size of the child and is put on the r ear seat.
According to accident statistics, the child is safer when
properly restrained in the rear seat than in the front seat.
Never put a rear±facing child restraint system on the front
seat. In the event of an accident, the force of the rapid
inflation of the airbag can cause death or serious injury if
a rear±facing child restraint system is put on the front seat.
Unless it is unavoidable, do not put a forward±facing child
restraint system on the front seat.
A forward±facing child restraint system should be allowed
to put on the front seat only when it is unavoidable. Always
move the seat as far back as possible, because the force of
a deploying airbag could cause death or serious injury to
the child.
Make sure you have complied with all installation
instructions provided by the child restraint manufacturer
and that the system is properly secured.
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Child restraint system
A child restraint system for a small child or baby must
itself be properly restrained on the seat with the lap
portion of the lap/shoulder belt. You must carefully
consult the manufacturer's instructions which
accompany by your child restraint system.
To provide proper restraint, use a child restraint system
following the manufacturer's instructions about the
appropriate age and size of the child for the restraint system.Install the child restraint system correctly following the
instructions provided by its manufacturer of the system.
General directions are also provided under the following
illustrations.
The child restraint system should be installed on the rear seat.
According to accident statistics, the child is safer when
properly restrained in the rear seat than in the front seat.