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- An electronic control unit, with integrated
crash sensors for front an d side impacts. The
control unit "decides" whether to fire the front
airbags based o n the information received from
the cras h sensors . The control un it also "de-
cides" whether the safety be lt pretensioners
should be activated .
- An Advanced Airbag with gas generator for t he
driver inside the steering wheel hub .
- An Advanced Airbag with gas generator inside
the instrument panel for the front passenger .
- A weight-sens ing mat under the upholstery
padd ing of the front passenger seat cush ion
that measures the total we ight on the seat . The
information registered is se nt cont inuously to
the e lectronic control unit to regulate dep loy-
ment of the front Advanced Airbag on the pas-
se nger side.
- An a irbag monito ring system and indicator
light in the inst rumen t cluster
¢page 112.
- The
PASSENGER AIR BAG OFF
light comes on
and stays on in the cen t er of t he instrument
pane l
¢page 112, fig . 118
and te lls you when
the front Advanced Airbag on the passenger
side has been turned
off .
- A sensor be low the safety belt lat ch for the
front seat passenger to measure the tension on
the safety be lt . The tension on the safety belt
and the weight registered by the weight-sens-
ing mat help the control unit "dec ide" whether
the front airbag for the front passenger seat
shou ld be turned
off
or not ¢
page 103, Child
restraints on the front seat - some important
things to know.
- A sensor in the safety belt latch for the dr iver
and for the front seat passenger that senses
whether that safety belt is latched or not and
t ransmits th is info rmation to the electronic
control unit.
~
WARNING
Damage to the front passenger seat can pre -
vent the front airbag from work ing proper ly.
- Improper repair or disassembly of the front
passenger and driver seat will prevent the
Advanced Airbag System from functioning
properly .
Airbag
sys t e m
- Repairs to the front passenger seat must be
pe rformed by qualified and properly t rained
workshop personne l.
- Never remove the front passenger or driver
seat from the vehicle.
- Never remove the upho lstery from the front
passenger seat.
- Never disassemble o r remove parts from the
seat or disconnect wires from it.
- Never carry sharp objects in your pockets or
place them on the seat. If the weight-sens-
ing mat in the passenger seat is punctured
it cannot work properly.
- Never carry things on your lap or carry ob-
jects on the passenger seat. Such items can
increase the we ight registered by the
weight-sens ing mat and send the wrong in-
formation to the a irbag cont rol unit .
- Never store items under the front passenger
seat . Parts of the Advanced Airbag System
under the passenger seat could be dam-
aged, preventing them and the airbag sys-
tem from wo rking prope rly.
- Never place seat covers or replacement up-
hols t ery that have not been specifically ap-
proved by Aud i on t he front se ats.
- Seat covers can prevent the Advanced Air-
bag Syst em from recogni zing child re-
st raints or occupants on the front passenger
seat and prevent t he side a irbag in t he seat
backrest from deploying properly.
- Never use cushions, pillows, blan kets or
similar items on the front passenger seat .
The additional padding will prevent the
weight-sens ing mat in the seat from accu-
rately register ing the child restraint or per-
son on the seat and prevent the Advanced
Airbag System from functioning properly.
- If you must use a child restraint on the front
passenger seat and the child restraint man-
ufacturer 's instructions require the use of a
towel, foam cushion or some t hing else to
properly pos ition the child restra int , ma ke
certain that the
PASSENGER AIR BAG OFF
light comes on an d stays on whenever the
child restraint is installed on the front pas -
senger seat .
109
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