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Airb a g syste m
switched on and turns the airbag indicator light
on when a malfunction in the one of the system
components is detected ¢ page 160. Because
the front passenger seat contains important
parts of the Advanced Airbag System, you must
take care to prevent it from being damaged .
Damage to the seat may prevent the Advanced
Airbag System for the front passenger seat from
doi ng its job in a crash.
The front Advanced Airbag Syst em con sists
of the following:
- Crash sensors in the front of the vehicle that
measure vehicle acceleration/decelerat
ion to
provide info rmation to the Advanced Airbag
System about t he severity of the crash.
- An electron ic control un it, with integrated
crash sensors fo r front and side impacts. The
contro l unit "decides" whethe r to fire the front
airbags based on the information received from
the crash sensors . The control unit a lso "de -
cides" whether the safety be lt pretensioners
shou ld be activated.
- An Advanced Airbag with gas generator and
control valve for the driver ins ide the steer ing
wheel hub.
- An Advanced Airbag with gas gene rator and
control valve inside the instrument pane l for
the front passenger.
- A capacitive passenger detect ion system under-
neath the front passenger seat cover. This sys-
tem measures the electrical capac itance of the
person in the seat . The information registe red
is sent continuous ly to the electron ic cont rol
unit to regula t e deployment of the front Ad-
vanced Airbag on the passenge r sid e.
- An airbag monitoring system and indicator
ligh t in t he inst rumen t cluster¢ page 160.
- A sensor in each front seat registers the dis-
tance between the respect ive seat and the
stee ring wheel or instr ume nt pane l. The infor-
ma t ion reg istered is sent contin uously to the
electronic control un it to regulate deployment
of the front Advanced Airbags.
- The
PASSENGER AIR BAG OFF
light comes on
and stays on in the center of the instrument
panel ¢ page 160 , fig. 158 and tells you when
156
the front Advanced Airbag on the passenger
side has been turned off .
- A sensor in the safety be lt latch for the driver
and for the front seat passenger that senses
whether that safety belt is latched or not and
transmits this information to the electronic
control un it.
A
WARNING
Damage to the front passenger seat can pre-
vent the front airbag from work ing properly.
- Improper repair or disassembly of the front
passenger and driver seat will prevent the
Advanced Airbag System from function ing
proper ly.
- Repairs to the front passenger seat must be
performed by qualified and prope rly tr a ined
wo rkshop personne l.
- Never remove t he front passenger or driver
seat from the vehicle .
- Never remove the upholstery from the front
passenger sea t .
- Never d isassemble or remove parts from the
seat or disconnect wires from it.
- Never carry sharp objects in your pockets or
put them on the seat . The capacit ive pas -
senger det ect io n mat in the front passenger
seat will not function properly if it is punc-
tured.
- Never car ry things on your lap or carry ob-
jects on the front passenge r seat. Such ob-
jects ca n influen ce the capaci t an ce regis-
t ered by the capaci t ive passenger detection
syst em, so tha t incorrect informat ion is pro -
vided to the airbag control unit.
- Never store it ems 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 working properly.
- Never place seat covers or replacement up-
holstery that have not been specifically ap-
proved by Audi on the front seats.
- Seat covers can prevent the Advanced Air-
bag System from recogni zing child re-
straints or occupants on the front passenger
seat and prevent the side airbag in the seat
backrest from deploying prope rly.
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