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Audi A4 2010 - Page 194

Audi A4 2010
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........ _ A_ i_rb_ a_,g,:;._s_,y'-s_t _e_m ________________________________________________ _
& WA RNI NG (continued)
The inflating airbag will hit the child safety seat or infant
carrier with great force and will smash the child safety seat and
child again st the backrest , center armrest , door, or roof.
Always install rearward-facing child restraints in the back seat.
If you must install a rearward facing child safety seat on the
front passenger seat because of exceptional circumstances and
the PASSENGER AIR BAG OFF light does not come on and stay on,
immediately install the rear-facing child safety seat in a rear
seating position and have the airbag system inspected by your
authorized Audi dealer .
& WARNING
If , in exceptional circumstances, you must install a forward-facing
child restraint on the front passenger' s seat:
Always make sure the forward-facing seat has been designed
and certified by its manufacturer for use on a front seat with a
passenger front and side airbag.
Never put the forward -facing child restraint up against or very
near the instrument panel.
Always move the passenger seat into it s rearmost position in
the seat's fore and aft adjustment range, as far away from the
airbag as possible, before installing the forward -facing child
restraint. The backrest must be adjusted to an upright position.
Make sure that the PASSENGER AIR BAG OFF light comes on
and stays on all the t ime whenever the ignition is switched on .
Advanced Airbag System components
The front passenger seat in your vehicle has a lot of very important
parts of t he Advanced Air bag System in it. These parts incl ude t he
weight-sens ing mat, sensors, wiring, brackets, and more. The func-
tion of the system in the front passenger seat is checked by the elec-
t ronic contro l unit w hen t he ignit ion is on. The contr ol unit mon itors
t he Advanced Airbag System and tu rns the airbag indicato r light on
w hen a malfunction in t he system components is detected. The func-
t ion of the airbag indicator light is described in greater deta il below .
Because the front passenger seat conta ins impo rtant parts of t he
Advanced Airbag System, you must ta ke care to prevent it from being
damaged. Damage to the seat may prevent the Advanced Airbag for
t he fro nt passenger seat from do ing its job in a crash.
The front Advanced Airbag System consists of the
following:
Crash sensors in the front of t he vehicle that measure vehicle
acceleration/de celerat ion to provi de info rmation t o t he Advanced
Airbag System about the severity of the crash.
An elect ron ic contro l unit, w it h int egrated crash sensors fo r front
and side impacts. The contro l unit "dec ides" w het her to fire the front
airbag s based on t he inform at ion received fro m t he crash sensors.
The contro l unit also "decides" whether the safety belt pretens ioners
shoul d be act ivat ed.
An Advanced Air bag with gas generator and control valve for the
dr iver inside t he steering wheel hub.
An Advanced Air bag with gas generator and control valve inside
t he inst rument panel for the fron t passenger.
A weight-sensi ng mat unde r t he up holst ery paddi ng of the front
passenger seat cushion that measures the t ota l weight on the seat .
The informat ion registered is sent continuous ly to the elect ronic
contr ol unit to regulate deployment of t he front Advanced Air bag on
the passenger side.
An airbag mon it oring system and indicator light in t he instr ument
cluster => page
196 .
A sensor in each front seat reg isters the distance between the
respective seat and t he steeri ng whee l or inst rument panel. The
info rmation registe red is sent cont inuously to t he electronic cont rol
unit to regulate deployment of t he front Advanced Air bags. ..,

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