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restraints or occupants on the front pas-
senger seat and prevent the side airbag
in the seat backrest from deploying prop-
erly.
- Never use cushions, pillows, blankets or
similar items on the front passenger
seat. The add itional padd ing will prevent
the weight-sens ing mat in the seat from
accurately reg istering the child restra int
or person on the seat and preve nt the
Advanced Airbag System from func t ion-
ing properly .
- If you must use a child restra int on the
front passenger seat and the ch ild re-
straint manufacturer's
instructions re-
quire the use of a towel, foam cush ion or
something else to properly position the
child restraint, make certa in that the
PASSENGER AIR BAG OFF light comes
on and stays on whenever the child re-
st ra int is installed on the front passen-
ger seat .
- If the PASSENGER AIR BAG OFF light
does not come on and stay on, have the
airbag system inspected by your Audi
dealer.
How the Advanced Airbag System
components work together
The front Advanced Airbag System and the
side airbags s upplement the protection of-
fered by the front three-point safety be lts
with pretensioners and load limiters and the
adjustab le head restra ints to he lp reduce the
risk of injury in a wide range of accident and
crash situat ions . Be sure to read the impor-
tant information about safety and heed the
WARNINGS in t his chapter .
Deployment of the Advanced Airbag System
and the act ivat ion of the safety be lt preten-
sioners depend on the dece le rat ion measured
by the crash sensors and registered by the
e lectronic control un it . Crash severity depends
on speed and dece leration as well as the mass
and stiffness of the vehicle or object involved
in the crash .
A irbag sys tem
119
When the electronic control unit registers a
low severity cras h and the safety belt is being
used, the airbag will not dep loy. If the safety
belt is not being used, the first stage deploys,
followed by the second stage after a much lat-
er t ime in the crash sequence.
If the electron ic control unit registers a crash
of medium severity, the first stage of the air-
bag deploys followed by the second stage at a
much later time in the crash sequence - re-
gardless of whether the safety belt is be ing
used or not . In higher sever ity crashes as reg-
iste red by the elect roni c cont rol unit, bot h t he
first and se cond st ages deploy almost at the
same t ime.
On the passenger side, regardless of safety
belt use, the airbag will be tu rned off if the
weight on the passenger sea t is less than the
amount programmed in the electronic control
unit . The front airbag on the passenger side
will a lso be turned off if one of the child safe-
ty seats that has been certified under Federal
Motor Vehicle Safety Standard 208 has been
recognized on the seat. The
PASS ENGER AIR
BAG OFF light comes on and stays on to tell
you when the front Advanced Airbag on the
passenger side has been turned off
¢
page 112, Child restraints on the front seat
- some important things to know .
_&.
WARNING
~
To reduce the risk of injury when an a irbag
inflates, always wear safety be lts properly.
- If you are unrestrained, leaning forward,
sitting sideways or out of position in any
way, your risk of injury is m uch higher.
- You will a lso receive serious injuries and
could even be killed if yo u are up against
the airbag or too close to it when it in-
f lates - even with an Advanced Airbag
¢page 111 .
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