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.
Because the front passenger seat
contains important parts of the Advanced Airbag
System,
you
must take care to prevent it from be-
ing damaged. Damage to the seat may prevent
the Advanced Airbag for the front passenger seat
from do ing its job in a crash
.
The front Advanced Airbag
Sys
tem con
sists
of
t
he following
:
-
Crash sensors in the front of the veh icle that
measure veh icle acceleration/deceleration
to
provide information to the Advanced Airbag
System about the severity of the crash
.
- An electronic control unit, with integrated
crash sensors for front and side impacts
.
The
control unit "decides" whether to fire the front
airbags based on the information received from
the crash sensors
.
The control un it also "de-
cides" whether the safety be lt pretensioners
sho uld be activated.
-
An Advanced Airbag with gas generator and
control valve for the driver inside the steering
whee
l
hub.
-
An Advanced Airbag with gas generator and
control valve inside the instrument panel for
t he front passenger.
- A weig ht -sensing mat under the upholstery
padding of the front passenger seat cushion
that meas ures the tota
l
weight on the seat. The
information registered is sent cont inuous ly to
the e lectronic control unit to regulate dep loy-
ment of the front Advanced Airbag on the pas-
senger side.
-
An airbag monitoring system and indicator
light in the instrument cluster
¢
page 142.
-
A sensor in each front seat registers the dis-
tance between the respect ive seat and the
steering wheel or instrument panel. The infor-
mation registered is sent cont inuously to the
elect ron ic cont ro
l
unit 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
pane
l
¢ page 142, fig
.
150
a
nd tells you when
the front Advanced Airbag on the passenger
side has been turned off
.
-
A sensor below the safety belt
lat
ch fo
r
the
front seat passenge
r
to measure the tension on
Airbag
sys
t
e
m
the safety belt. The tens ion on the safety be lt
and the weight registe red by the weight -sens-
ing mat help the control unit "decide" whether
the front a irbag for the front passenger seat
should be turned off or not¢ page 133, Child
restraints on the front seat- some important
things to know.
-
A sensor in the safety belt latch for the driver
and for the front seat passenger that senses
whether that safety belt is latched or not and
transm its this informat ion to the elect ronic
cont ro
l
unit.
A
WARNING
Damage
t
o
t
he fron
t
passenger seat can pre-
vent
t
he fron
t
a irbag from working prope rly.
-
Imp roper repai
r
or d isassembly of the front
passenger and driver sea
t
will prevent the
Advanced Airbag System from functioning
properly
.
-
Repairs to the front passenge
r
seat must be
performed by qualified and properly trained
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 d isassemble
or
remove par
t
s from
t
he
seat or disconnect wires from it.
-
Never carry sh
ar
p objects in your po ckets or
place them on t he seat. If
t
he weight-sens-
ing mat in the passenger seat is punctu red
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 registe red by the
weight-sensing mat and send the wrong in-
formation to the a irbag control 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 rep lacement up-
holstery that have not been specifically ap-
proved by
Audi
on the front seats.
- Seat cove rs can prevent the Advanced Air-
bag
Syst
em from recogniz ing child
1
3
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