should always wear your safety belt, not just because the law requires
you to do so =>
page 117 , "General notes".
The safety belt buckle for the driver and front seat passenger have
switches that tell the airbag control module if the safety be lt is being
used or not.
If the safety belt is being used, the knee airbag will
dep loy at a s light ly higher rate of deceleration than if the be lt is not
being used. The refore, in a particular collision, it is possible that an
airbag will not deploy at a seating position where the safety be lt is
being used but will inflate at the position where the safety be lt is not
being used.
Remember too, airbags will deploy only once and only in certain kinds
of accidents -your safety belts are always there to offer protection in
those accidents in which airbags are not supposed to deploy or when
t hey have already deployed, for example when you r vehicle strikes or
is struck by another after the first collision.
This is just one of the reasons why an airbag is not a substitute for the
safety belt . The airbag system works most effectively when used with
the safety belts. Therefore, always wear your safety belts correctly.
It is important to remembe r t hat while the supplemental airbag
system is designed to reduce the likelihood of serious injur ies, other
injuries, for example, swe lling, bruis ing, and minor abrasions can
also be assoc iated with airbags.
The knee airbag system basically consists of:
• The electronic contro l module
• Two inflatable airbags (airbag and gas gene rator), one for the
driver and one for the front passenger
• The airbag indicator light in the instrument panel
The knee airbag system will not deploy:
• when the ignition is turned off
• in front-e nd collisions when the decelerat ion measured by the
control unit is too low
• in side collisions
• in rear-end collisions
Safety first Vehicle OP-eration
Airbag system
• in rollovers
• in the even t of a system ma lfu nction (warning/ indicator light illu-
minated) =>
page 14.
& WARNING
• Safety belts and the airbag system can only provide protection
when occupants are in the proper seating position =>
page 135.
• If the airbag indicator light comes when the vehicle is being
used, have the system inspected immediately by your authorized
Audi dealer. The airbag may not work properly when the vehicle
acceleration in a side collision is high enough to deploy the airbag.
See also
=> page 14. •
How knee airbags work
The risk of injury to the leg area is reduced by fully
deployed knee airbags.
Fig. 113 Inflated
airbags protecting in a
frontal collision
The knee airbag system has been designed so that the airbags for the
dr iver and front passenger are dep loyed in certa in but not all frontal
collisions.
If the front airbags deploy, the knee airbags also deploy in frontal
collisions above a certain sever ity.
jll-
Vehicle care Do-it-yourselt service Technical data
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