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www.dtsc.ca.gov/hazardouswaste/per-
chlorate. When the vehicle or parts of the
restraint system includ ing airbag modules
and safety belts with pretensioners are
scrapped, all applicable laws and regula-
tions must be observed. Your authorized
Audi dealer is familiar with these require-
ments and we recommend that you have
your dealer perform this service for you.
Other things that can affect Advanced
Airbag performance
Changing the vehicle's suspension system can
change the way that the Advanced Airbag Sys-
tem performs in a crash. For example, using
tire-r im combinations not approved by Audi,
lowering the vehicle, changing the stiffness of
the suspension, including the springs, suspen-
sion struts, shock absorbers etc. can change
the forces that are measured by the airbag
sensors and sent to the electron ic control
unit. Some suspension changes can, for exam-
ple, increase the force levels measured by the
sensors and make the airbag system deploy in
crashes in which it would not deploy if the
changes had not been made. Other kinds of
changes may reduce the force levels meas-
ured by the sensors and prevent the airbag
from deploying when it should .
The sensors in the safety belt buckle for the
driver and front passenger seat tell the elec-
tronic control module if the safety belt is
latched or not.
It
is important that nothing in-
terfere with the safety belt buckles so that
the sensors can send the correct information
about safety belt use to the electronic control
unit.
_&
WARNING
Changing the vehicle's suspension includ-
ing use of unapproved tire-rim combina-
tions can change Advanced Airbag per-
formance and increase the risk of serious
personal injury in a crash.
- Never install suspension components
that do not have the same performance
Airbag
system
15 7
characteristics as the components origi-
nally installed on your vehicle.
- Never use tire-rim combinations that
have not been approved by Audi.
Knee
airbags
Description of knee airbags
Applies to vehicles: with knee airbags
The knee airbag system can provide supple-
mental protection to properly restrained
front seat occupants.
Fig. 126 Driver's knee airbag
The dr iver knee airbag is in the instrument
panel underneath the steering wheel
~
fig. 126,
the airbag for the passenger is at
about the same height in the instrument pan-
el underneath the glove compartment.
The knee airbag offers additional protection
to the driver's and passenger's knees and up-
per and lower thigh areas and supplements
the protection provided by the safety belts.
If the front airbags deploy, the knee airbags
also deploy in frontal collisions when the de-
ployment threshold stored in the control unit
is met
q
page 150, More important things to
know about front airbags.
In addition to their normal safety function,
safety belts help keep the driver or front pas-
senger in position in a frontal collision so that
the airbags can provide supplemental protec-
tion.
The airbag system is not a substitute for your
safety belt. Rather, it is part of the overall oc-
cupant restraint system in your vehicle. Al-
ways remember that the airbag system can
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