
136 Safety belts
,8. WARNING
Improper care, servicing and repair proce
dures can increase the risk of personal in
jury and death by preventing a safety belt
pretens ioner from act ivat ing when needed
or act ivat ing it unexpectedly:
- The belt pretensioner system can be acti
vated only once. If belt pretens ioners
have been act ivated, the system must be
replaced.
- Never repair, adjust, or change any parts
of the safety belt system.
- Safety belt systems includ ing safety be lt
pretensione rs cannot be repaired. Spe
ci al procedures are required for removal,
installation and disposal of this system.
- For any work on the safety belt system,
we strongly recommend that you see
your authorized Audi dealer or qualified
technician who has an Audi approved re
pair manual, training and specia l equip
ment necessary.
@ For the sake of the environment
Undep loyed airbag modu les and preten
sioners might be classified as Perchlorate
Material -specia l hand ling may apply, see
www.dtsc.ca.gov/haza rdou swaste/per
chlorate. When the vehicle or parts of the
restraint system including airbag modules
safety belts w ith pretens ioners are scrap
ped, all applicable laws and regulations
must be observed. Your authorized Aud i
deale r is familiar with these requ irements
and we recommend that you have your
dea ler perform this service for you.

Airbag system Important things to know
Importance of wearing safety belts and
sitting properly
Airbags are only supplemental restraints. For
airbags to do their job , occupants must al
ways properly wear their safety belts and be
in a proper seating position.
For your safety and the safety of your passen
gers, before driving off, always:
"" Adjust the driver's seat and steering wheel
properly ¢
page 119,
"" Adjust the front passenger's seat properly
¢page 51,
"" Wear safety be lts properly ¢ page 131,
"" Always properly use the proper child re-
straint to protect chi ldren ¢
page 163.
In a collision, airbags must inflate within the
blink of an eye and with considerable force.
The supplemental airbags can cause injuries if
the driver or the front seat passenger is not
seated properly . Th erefore in order to help the
a ir bag to do its job, it is important, both as a
driver and as a passenger to s it properly at all
times.
By keeping room between your body and the
steer ing wheel and the front of the passenger
compartment, the airbag can inflate fully and
comp letely and provide supplemental protec
tion in certain frontal collisions ¢
page 119,
Proper occupant seating positions.
F or details
on the operation of the seat adjustment con
trols
¢ page 51.
It's especially important that children a re
properly restrained ¢
page 163.
There is a lot that the driver and the passen
gers can and must do to help the individual
safety features installed in your Aud i work to
gether as a system.
Proper seating pos ition is important so that
the front airbag on the driver side can do its
job. If yo u have a physical impa irment or con-
Airbag system 137
dition that prevents you from sitting properly
on the driver seat with the safety belt properly
fastened and reach ing the peda ls, or if you
have concerns with regard to the function or
operation of the Advanced Airbag System,
please contact your author ized Audi dealer or
qualified workshop, or call Audi Customer
CARE at 1-800-822-2834 for possible modifi
cations to your vehicle .
When the airbag system dep loys, a gas gener
ator will fill the a irbags, break open the pad
ded covers, and inflate between the steer ing
whee l and the driver and between the instru
ment pane l and the front passenger. The air
bags will deflate immediately after deploy
ment so that the front occupants can see
through the windshield again without inter ruption .
All of th is takes place in the blink of an eye, so
fast that many people don't even realize that
the airbags have deployed. The airbags a lso
inflate with a great dea l of force and nothing
should be in their way when they deploy.
Front airbags in combination with properly
worn safety belts slow down and lim it the oc
cupant's forward movement . T ogether they
help to prevent the driver and front seat pas
senger from hitting parts of the inside of the
vehicle while reducing the forces acting on the
occupant during the crash . In this way they
help to reduce the risk of injury to the head
and upper body in the crash. Airbags do not
protect the arms or the lower parts of the
body.
Both front airbags will not inflate in all fronta l
collisions . The triggering of the airbag system
depends on the vehicle dece leration rate
caused by the collision and registered by the
electron ic control unit. If th is rate is below
the reference value programmed into the con
trol unit, the airbags will not be trigge red,
even though the car may be bad ly damaged as
a result of the collision . Ve hicl e damage, re
pair costs or even the lack of veh icle damage
is not necessarily an indication of whether an
airbag should inflate or not . .,. •
•

138 Airbag sys te m
Since the cir cumstances will vary considerab ly
between one collision and anot her, it is not
possib le to def ine a range of vehicle speeds
that will cover every possible k ind and angle
of impact t hat will always trigger the airbags.
Important factors include, for example, the
nature (hard or soft) of the object which the
car h its, the ang le of impact, vehicle speed,
etc. The front airbags will also not inflate in
side or rea r collisions, or in ro ll-overs .
Always rememb er: Airbags will deploy only
once, and only in certa in k inds of co llisions.
Your safety belts are always there to offer pro
tection in those s ituations in which airbags
a re not supposed to deploy, or when they have
a lready deployed; for example, when your ve
hicle strikes or is struck by another vehicle af
ter the first co llision.
This is just one of the reasons why an airbag is
a supplementary restraint and is not a substi
tute for a safety belt . The airbag system
works most effect ively when used with the
safety belts. Therefore, always properly wear
your safety belts¢
page 128.
A WARNING
Sitting too close to the steer ing wheel or
instrument panel will dec rease the effec
t iveness of the airbags and will increase
the risk of personal injury in a collision .
- Never sit closer than 10 inches (2S cm)
to the stee ring wheel or instrument pan
el.
- If you cannot sit more than 10 inches
( 2 5 cm) from the s teer ing whee l, investi
gate whethe r adaptive equipmen t may
be available to help you reach the pedals
and increase your seating distance from
the steering wheel.
- If you are unrestrained, lean ing fo rward,
sitting sideways or out of position in any
way, your risk of in jury is much higher.
- You will also receive serio us injuries and
cou ld even be killed if you are up against
the airbag or too close to it when it in
flates - even with an Advanced Airbag. -
To reduce the risk of injury when an a ir
bag inflates, always wear safety be lts
properly ¢
page 131, Safety belts.
-Always make certain that ch ildren age 12
or younger always ride in the rear seat. If
children are not properly restrained, they
may be severely injured or killed when an
airbag inflates.
- Never let children ride unrestrained or
improperly restrained in the vehicle. Ad
just the front seats prope rly .
- Never ride with the back rest reclined.
- Always sit as far as possible from the
steer ing whee l or the instrument pane l
¢page 119.
-Always sit upright with your back against
the backrest of your seat .
- Never p lace your feet on the instrument
panel or on the seat. Always keep both
feet on the floor in front of the seat to
help prevent serio us in ju ries to the legs
and h ips if the airbag inflates.
- Never recline the front passenger 's seat
to transport objects , Items can a lso
move into the a rea of the s ide airbag or
the front a irbag du ring bra king or in a
sudden maneuve r. Objects nea r the air
bags can become projectiles and cause
in jur y when an airbag inflates.
A WARNING ~
Airbags that have deployed in a crash must
be replaced.
- Use on ly orig inal equipment airbags ap
proved by Aud i and installed by a trained
technician who has the necessary too ls
and d iagnost ic equipment to properly re
p lace any airbag in your vehicle and as
sure system effectiveness in a crash .
- Never permit salvaged or recycled air
bags to be installed in your vehicle.

-Always carefully follow instru ctions from
c hild restraint manufacturers when in
sta lling child restraints.
A WARNING
If, in exceptional circumstances, you must
install a forward or rearward-facing child
restraint on the front passenger's seat:
- Improper installation of child restraints
can reduce their effectiveness or even
prevent them from providing any protec
tion.
- An improperly installed child restraint
can interfere with the airbag as it de
ploys and seriously injure or even kill the
child - even with an Advanced Airbag
System.
- Always carefully follow the manufactur
er's instructions provided with the child
seat or carrier .
- Always make sure that there is nothing
on the front passenger seat that will
cause the capacitive passenger detection
system in the seat to signal to the Airbag
System that the seat is occupied by a
person when it is not, or to signal that it
is occupied by someone who is heavier
than the person actually sitting on the
seat. The presence of additional objects
could cause the passenger front airbag
to be turned on when it should be off, or
could cause the airbag to work in a way
that is different from the way it would
have worked without the object on the
seat .
Airbag system 141
Front airbags
Description of front airbags
The airbag system can provide supplemental
protection to properly restrained front seat occupants.
Fig. 141 Loc ation of driver airbag: in steering w heel
Fig. 142 Loc ation of front passenger's a irbag: in the in·
strument panel
Your vehicle is equipped with an "Advanced
Airbag System" in compliance with United
States Federal Motor Vehicle Safety Standard
(FMVSS) 208 as applicable at the time your
vehicle was manufactured. The system senses
the position of the front seats and controls
front airbag inflation with a valve, depending
on the distance between the respective seat
and the steering wheel or instrument panel.
The safety belts for the seats have "preten
sioners" that help to take slack out of the belt
system. The pretens ioners are also activated
by the electronic control unit for the airbag
system .
The front safety belts also have load limiters
to help reduce the forces applied to the body
in a crash.
The airbag for the driver is in the steering
wheel hub
q fig. 141 and the airbag for the
front passenger is in the instrument panel

backrest must be adjusted to an upright
posit ion.
- Always make sure that there is nothing
on the front passenger seat that will
cause the capacitive passenger detection
system in the seat to s ignal to the A irbag
System that the seat is occupied by a person when it is not, or to signa l that it
is occupied by som eone who is heavier
than t he pe rson actually s itting on t he
sea t. T he presence of addition al obje cts
cou ld cause the passenger front airbag
to be t urned on when it sho uld be off, or
cou ld cause t he airbag to work in a way
that is different from the way it wou ld
have worked without the object on the
seat.
- Make sure that the
PASSENGER AIR BAG
OFF
light comes on and stays on all the
t ime w henever the ignition is switc hed
on.
Advanced Airbag System components
The front passenger seat in your vehicle has a
l ot of very important parts of the Advanced
A irbag System in it. These parts incl ude t he
c a pac itive passenger de te ct ion sys tem, wir
ing, b racke ts, and more . The cont ro l uni t
monitors the system o n the front passenger
seat when the ign ition is switched on and
turns the airbag indicator light on w hen a
malfunct ion in the one of the system compo
nents is detected ¢
page 150. Because the
fro nt passenge r seat contains important parts
of the Advanced Airbag System, you must
take care to p revent it from bei ng damaged.
D amage to the seat may preven t the Ad
vanced A irbag System for the front passenger
seat from doing its job in a crash .
The front Advanced Airbag System
consists of the following:
-Crash sensors in the front of the veh icle tha t
measure ve hicle acceleration/dece le ration
to provide information to the Advanced Air bag System about the severity of the crash.
A irbag system 145
- An elect ron ic contro l unit, with integrated
crash sensors fo r front and side impacts .
T he control un it "decides" whether to f ire
the front a irbag s based on the informat ion
received from the crash sensors. The control
unit also "decides" whether the safety belt
prete nsione rs should be act iva ted .
- An Advanced A irbag w it h gas generator and
cont ro l valve for the driver ins ide the steer
ing wheel h ub.
- An Advanced A irbag w ith gas generator and
cont ro l valve inside the instrument pa nel for
the front passenger .
- A capacit ive passenger detection system un
de rneath the front passenger seat cover .
This system measu res the ele ct rical capac i
t ance of the perso n in the seat. The informa
t ion regis tered is se nt cont inuo usly to the
elec tronic con trol un it to regu late dep loy
ment of the front Advanced A irbag on the
passenger side.
-An airbag monitoring system an d ind icator
light in the instr ument cluster ¢
page 149.
-A senso r in each front seat registers the dis
tance between the respective seat a nd the
steering whee l or instrument panel. The in
formation registered is sent cont inuo usly to
the electron ic contro l unit to regulate de
ployment of the front Adva need A irbags .
- The
PASSENGER AIR BAG OFF li ght comes
on and stays on in the center of the instr u
ment panel ¢
page 150, fig. 144 and tells
you whe n the front Advanced Airbag on the
passenger side has been tu rned off.
- A senso r in t he safety belt latch fo r the d riv
er and fo r the front seat passenger that
senses whethe r th at safety belt is latched or
no t and tra nsmi ts this informa tion to the
elec tro nic con trol un it.
A WARNING
D amage to the fron t passenger se at can
p revent the front air bag from work ing
p roperly.
- Imp roper repai r or disassembly of the
front passenge r and dr iver seat will pre
vent the Advanced Airbag System from
functioning properly.
-
•
•

146 Airbag system
-Repairs to the front passenger seat must
be performed by qualified and properly
trained workshop personnel.
- Never remove the front passenger or
driver seat from the vehicle.
- Never remove the upholstery from the
front passenger seat.
- Never disassemble 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 capacitive
passenger detection mat in the front
passenger seat will not function properly
if it is punctured .
- Never carry things on your lap or carry
objects on the front passenger seat.
Such objects can influence the capaci
tance registered by the capacitive pas senger detection system, so that incor
rect information is provided to the airbag
control unit.
- Never store items under the front pas
senger seat. Parts of the Advanced Air
bag System under the passenger seat
could be damaged, preventing them and
the airbag system from working proper
ly.
- Never place seat covers or replacement upholstery that have not been specifical
ly approved by Audi on the front seats.
- Seat covers can prevent the Advanced
Airbag System from recognizing child re
straints or occupants on the front pas
senger seat and prevent the side airbag
in the seat backrest from deploying prop
erly .
- If a seat heater has been retrofitted or
otherwise added to the front passenger
seat, never install any child restraint sys
tem on this seat.
- Never use cushions, pillows, blankets, or
similar items on the front passenger
seat. The additional layers prevent the
capacitive passenger detection system
from accurately measuring the capaci
tance of the child safety seat and/or the
person on the seat and thus keep the Ad- vanced Airbag System from working
properly.
- Never place or use any electrical device
(such as a laptop, CD player, electronic
games device or power inverter) on the
front passenger seat if the device is con nected to the 12-volt socket or the ciga
rette lighter socket. Such devices can in
fluence the capacitance registered by the
capacitive passenger detection system,
so that incorrect information is provided
to the airbag control unit.
- If you must use a child restraint on the
front passenger seat and the child re
straint manufacturer's instructions re
quire the use of a towel, foam cushion or
something else to properly position the
child restraint, make certain that the
PASSENGER AIR BAG OFF light comes
on and stays on whenever the child re
straint is installed on the front passen
ger seat.
- If the
PASSENGER AIR BAG OFF light
does not come on and stay on, immedi
ately install child restraint in a rear seat
ing position and have the airbag system
inspected by your Audi dealer.
_& WARNING
If the front passenger seat gets wet, dry it
immediately.
- If liquid soaks into the front passenger
seat, this can keep the airbag system
from working properly and may, for in stance, deactivate the passenger frontal
airbag. If this happens, the
PASSENGER
AIR BAG OFF
light will come on and stay
on together with the airbag indicator light min the instrument cluster.
- If liquid is pooled on the seat, but has
not soaked in, this may also keep the air
bag system from working properly and
cause the passenger frontal airbag to be
enabled (turned on), even though there
is a properly installed child restraint sys
tem on the seat. Wet towels or other wet
things on the seat cushion can have the

adult is properly seated and restrained at
one of the rear seating positions.
- Have the airbag system inspected by
yo ur Audi dealer before transporting
anyone on the front passenger seat.
(D Tips
If the capacitive passenger detection sys
tem determines that the front passenger
seat is empty, the frontal airbag on the
passenger side will be turned off, and the
P ASS ENGER AIR B AG OFF light will stay
on.
Repair, care and disposal of the airbags
Parts of the a irbag system are installed at
many different places on your Audi. Installing,
removing, servic ing or repairing a part in an
area of the vehicle can damage a part o f an
airbag system and prevent that system from
working properly in a co llision.
There are some important things you have to know to make sure that the effect iveness of
the system will not be impaired and tha t dis
carded components do not cause injury or po l
l ute the env ironment.
A WARNING
Improper care, servicing and repair proce
dures can increase the risk of personal in
jury and death by preventing an airbag
from deploy ing when needed o r deploying
an airbag unexpected ly:
- Never cover, obstruct, o r change the
steering wheel ho rn pad or airbag cover
o r th e instrument pane l or modify them
in any way.
- Never attach any objects such as cup
holders or telephone mountings to the
surfaces covering the airbag units.
- For cleaning the ho rn pad or instrumen t
pane l, use only a soft, d ry cloth or one
mois tened w ith plain wate r. Solven ts or
cleaners co uld damage the airbag cover
or change the stiffness o r strength of the
A irbag sys tem 153
material so that the airbag cannot de
ploy and protect properly.
- Never repair, adjust, or change any parts
of the a irbag system.
- All work on the steering wheel, instru
ment panel, front seats or e lectr ica l sys
tem (including the installation of audio
equ ipment, cellu lar telephones and CB
radios, etc.) must be performed by a
qualified technic ian who has the training
and specia l equipment necessary.
- For any work on the airbag system, we strongly recommend that yo u see your
author ized Audi dealer or qualif ied work
shop.
- Never modify the front bumper or pa rts
of the vehicle body.
- Always make sure that the s ide a irbag
can inflate without inte rfe rence:
- Never in.stall seat covers or rep lace
ment upholstery over the front seat
backs that have not been specifically
approved by Audi.
- Never use additional seat c ushions that
cover the areas where the side a irbags
i nflate.
- Damage to the orig inal seat cove rs or
to the seam in the area of the side a ir
bag module must a lways be repaired
i mmediately by an author ized Audi
dealer.
- The airbag system can deploy on ly once.
After an a irbag has been deployed, it
m ust be replaced with new replacement
pa rts des igned and app roved espec ially
for your Aud i mo del ve rsion. Replace
men t of comple te airbag systems or air
bag components must be performed by
qualified workshops only . Make sure that
any airbag service action is entered in
your Audi Warranty
& Maintenance book
let under
AIRBAG REPLACEMENT RE
CORD.
- For safety reasons in severe accidents,
the alternator and starter are separated from the veh icle battery with a pyrotech-
nic circuit inte rrupte r. .,.. •
•

154 Airbag system
-Work on the pyrotechnic circu it inter
rupter must on ly be performed by a
qua lified technicians who have the ex
perience, information and special tools necessary to perform the work safely .
- If the vehicle or the c ircuit interrupter
is scrapped, all applicable safety pre
cautions must be followed.
@ For the sake of the environment
Undeployed airbag modules and preten
sioners might be classified as Perchlorate Material -special handling may apply, see
www .dtsc.ca .gov/hazardouswaste/per
chlora te. When th e vehicle o r parts of the
restraint system including airbag modules
a nd safety bel ts w ith p retens ioners are
scrapped, all applicable laws and regula
tions must be observed. Your authorized
Audi dea ler is familiar wit h these requ ire
ments and we recommend that you have
your dealer perform this serv ice for you .
Other things that can affect Advanced
Airbag performance
C hanging the vehicle's suspension system can
ch ange the way th at the Advanced A irbag Sys
tem pe rforms in a crash. For example, using
tire -rim combinations not app roved by Audi,
lowering the vehicle, changing the stiffness of
the suspension, incl uding the springs, s uspen
sion struts, shock absorbers etc. can change
the forces that are measured by the a irbag
sensors and se nt to the electron ic control
u ni t. Some suspension changes ca n, for exam
p le, increase th e forc e levels meas ure d by t he
se nsors a nd make the airbag system deploy in
crashes in w hich it would not dep loy if the
cha nges had not been ma de. Ot her kinds of
cha nges may reduce the force levels meas
ured by the sensors and prevent the airbag
from deploy ing when it sho uld.
The sen so rs in the safety belt buckle fo r th e
driver an d front passenger seat tell the elec
tronic control module if the safety belt is
latched or not. If the safety belt is being used,
the front airbag will deploy at a slightly high- er rate of ve
hicle deceleration than i f the safe
ty belt is not being used. Therefore, in a par
t icu lar coll is ion, it is possible that an airbag
will not deploy at a seat ing pos ition w here the
safety belt is be ing used but will inflate at the
pos ition where t he safety belt is not be ing
u sed. It is important that noth ing interfere
with the safety be lt buckles so that the s en
sors can send the correct info rmation abou t
sa fe ty belt use to the elec troni c con trol un it .
A WARNING
-Changi ng the vehicle's suspension includ
ing use of unapp roved tire -rim combina
tions can change Advanced Airbag per
formance and increase the r isk o f serious
personal injury in a crash.
- Never install suspension components
that do not have the same performance
characterist ics as the components orig i
na lly installed on your vehicle .
- Never use tire-rim combinations that
have not been approved by Audi.
Knee airbags
Description of knee airbags
Applies to vehicles : wi th knee airbags
The knee airbag system can provide supple
mental prot ection to properly restrained
front seat occupants.
Fi g. 14 5 Driver"s air bag
The driver knee airbag is in the instrument
panel underneath t he steering wheel
Q fig . 145, the airbag for the passenger is at
about the same height in the instrument pan-
el underneat h the glove compartment . ...,