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Remember too, airbags will deploy only once and
only in certain kinds of accidents -your safety
belts are always there to offer protection in those
accidents in which airbags are not supposed to
deploy or when they have already deployed, for
examp le when your vehicle strikes or is struck by
another after the first collis ion.
This is just one of the reasons why an airbag is
not a substitute for the safety belt. The airbag
system works most effectively when used with
the safety belts. Therefore, always wear your
safety belts correct ly .
It is important to remember that while the sup
plemental knee air bag system is designed to re
duce the likelihood of serious injuries, other inju
ries , for example, swelling, bruising and minor
ab rasions and friction burns can also occur when
an airbag inflates.
The knee airbag system basically consists of:
-The electronic control module
- Two inflatable airbags (airbag and gas genera-
tor), one for the driver and one for the front
passenger
- The airbag indicator light in the instrument
panel
The knee airbag system will not deploy:
-when the ignition is switched off
-in frontal collisions when the deceleration
measured by the control unit is too low
- in side collisions
- in rear-end collisions
- in rollovers
- in the event of a system malfunction (warning/
indicator light is on)
cf;> page 18.
A WARNING
-Safety belts and the airbag system can only
provide protection when occupants are in
the proper seating position
cf;> page 151.
- If the airbag indicato r light c:::> page 18
comes when the vehicle is be ing us ed, have
the system inspected immed iately by your
authorized Audi dealer. It is possible that
the airbag will inf late when it is not sup
posed to, or will not inflate when it should.
Airbag system
How knee airbags work
App lies to vehic les : with knee airbags
The risk of injury to the leg area can be reduced
by fully inflated knee airbags .
Fig. 161 Inflated airbags protecting in a fronta l co llision
T he knee airbag system has been designed so
that the airbags for the driver and front passen ger dep loy in certain but not all fronta l co llisions.
If the front airbags deploy, the knee airbags also
deploy in frontal coll isions when the deployment
threshold stored in the control unit is met .
When the system deploys, the airbags fill with a
propellant gas, and inflate between the lower
part of the instrument panel and the driver and
the lower part of the instrument panel and the
front passenger
c:;> page 151, fig. 158.
Although they are not a soft pillow, they can
"cushion" the impact and in this way they can
help to reduce the risk of injury to the lower ex
tremities.
All of th is takes place in the blink of an eye, so
fa st that many people don't even real ize that the
airbags have deployed. The airbags a lso inflate
with a great deal of force and it is important for
occupant safety that nothing should be in their
way when they deploy.
Fully inflated airbags in combination with proper
ly worn safety belts slow down and limit the oc
cupant's forward movement and help to reduce
the risk of injury.
159

-the e lectron ic control modu le and externa l side
impact sensors
- the two airbags located in the sides of the front
backrests and the two airbags * located in the
rear backrest
- the airbag warning light in the inst rument clus-
ter.
The a irbag system is monitored electronically to
make certa in that i t is functioning properly at all
times . Each time you switch on the ignition, the
airbag system indicator light will come on for a
few seconds (self diagnostics) .
The s ide airbag system supp lements the safe ty
be lts and can help to reduce the risk of injury to
the driver's, front and rear passenger's upper tor
so on the side of the vehicle that is struck in a
side coll is ion. The a irbag dep loys only in side im
pacts and only when the vehicle acceleration reg
istered by the control un it is h igh enough . If this
rate is below the reference value programmed in
to the cont rol un it, the side a irbags w ill not be
tr iggered, even thoug h the car may be bad ly
damaged as a resul t of the collision.
It is not pos
sib le to define an airbag tr igger ing range that
will cover every possib le ang le o f impact, since
the circumstances wi ll vary considerably between
one co llision and another. Important factors in
clude, for example, the nature (hard or soft) of
the impacting object, the angle of impact, vehicle
speed, etc .
q page 162, Important safety in
structions on the side airbag system.
Aside from their normal safety function, safety
be lts work to help keep the driver or front pas
senger in posit ion in the event of a side collision
so that the s ide a irbags can prov ide protection.
The airbag system is
not a substitute for your
safety belt. Rather, it is part of the overall occu
pant restraint system in your veh icle . Always re
member that the s ide airbag system can only
h e lp to protect you if you are wea ring your safety
be lt and wea ring it p roperly. This is ano ther rea
son why you s hou ld always wear yo ur safety
be lts, not just because the law requ ires yo u to do
so
q page 134, General information.
It is important to remember that wh ile the sup
p lemental side a irbag sys tem is designed to re-
Airb ag sys tem
duce the likelihood of serious injuries, other in ju
ries, for example, swelling, bruising, friction
burns and m inor abras ions can also be assoc iated
with deployed side airbags. Remember too, side airbags will deploy only once and only in certa in
k inds of accidents -your safety belts are a lways
there to offer protect ion.
Vehicle damage, repair costs or even the lack of
vehicle damage are not necessar ily an ind ication
of over-sens it ive or fa iled a irbag activation. In
some collisions, both front and side airbags may
inflate . Remember too, that a irbags w ill dep loy
o nl y once and only in certa in kinds of collisions -
yo ur safe ty belts are alw ays there to offer protec
t ion in those accidents in which airbags are not
supposed to deploy or when they have already
deployed.
The side airbag system will not deploy:
- when the ignit io n is switched off
- in side co llisions when the acceleration meas-
ured by the sensor is too low
- in fro nt-end coll is ions
- in rear-end collisions
- in rollovers.
In some types of accidents t he front airbags, side
curtain airbags and side ai rbags may be triggered
together.
A WARNING
-- Safety belts and the airbag system will only
provide protect ion when occupants are in
the proper seat ing pos ition ¢
page 162.
-If the airbag ind icator light¢ page 18
comes when the veh icle is being used, have
the system inspected immediately by your
author ized Audi dealer. It is possible that
the airbag will inflate when it is not sup
posed to, or w ill not inflate w hen it should.
161

.... N
0 CJ '
by being pushed into you as the airbag in
flates.
- Never place or attach accessories or other objects (such as cup holders, telephone
brackets, or even large, bulky objects) on
the doors, over or near the area marked
"AIRBAG" on the seat backrests.
- Such objects and accessories can become dangerous projectiles and cause injury
when the supplemental side airbag de
ploys.
- Never carry any objects or pets in the de ployment space between them and the
airbags or allow children or other passen
gers to travel in this position.
- Always use the built-in coat hooks only for
lightweight clothing. Never leave any heavy
or sharp-edged objects in the pockets that
may interfere with side airbag deployment
and can cause personal injury in an accident .
- Always prevent the side airbags from being
damaged by heavy objects knocking against
or hitting the sides of the seatbacks.
- The airbag system can only be triggered
once. If the airbag has been triggered, the
system must be replaced by an authorized
Audi dealership .
- Damage (cracks, deep scratches etc.) to the
original seat covers orto the seam in the area of the side airbag module must always
be repaired immediately by an authorized
Audi dealer.
- If children are seated improperly, their risk
of injury increases in the case of an accident
c;, page 166, Child safety.
-Never attempt to modify any components of
the airbag system in any way.
- In a side collision, side airbags will not func
tion properly if sensors cannot correctly
measure increasing air pressure inside the
doors when air escapes through larger, un
closed openings in the door panel.
- Never drive with interior door trim panels removed.
- Never drive when parts have been re
moved from the inside door panel and the
openings they leave have not been proper
ly closed.
Airbag system
-Never drive when loudspeakers in the
doors have been removed unless the
speaker holes have been properly closed.
- Always make certain that openings are
covered or filled if additional speakers or
other equipment is installed in the inside
door panels.
- Always have work on the doors done by an
authorized Audi dealer or qualified work
shop.
Side curtain airbags
Description of side curtain airbags
The side curtain airbag system can provide sup
plemental protection to properly restrained oc cupants.
Fig. 164 S ide curta in airb ags, driver's side: s ide curtai n air
bag locat ion
The side curtain airbags are located on both sides
of the interior above the front and rear side win
dows
c;, fig. 164. They a re identified by the word
"AIRBAG" on the windshield frame and the cen
ter roof pillar .
Th e side curta in airbags contain features that
provide ejection mitigation to help prevent vehi
cle occupants or parts of their bodies from being
completely or partially ejected from the vehicle
interior in certain side impacts and vehicle roll
overs.
The side curtain airbag system supplements the
safety belts and can help to reduce the risk of in
jury for occupants' heads and upper torso . The
side curtain airbag inflates in side impacts and
only when the vehicle acceleration registered by
the control unit is high enough. If this rate is
II>
163

Airbag system
below the reference value programmed into the
control unit, the side curtain airbag will not be
triggered, even though the car may be bad ly
damaged as a result of the collision. It is not pos
sible to define an airbag triggering range that
will cover every possible angle of impact , since
the circumstances will vary cons iderably between
one co llision and another. Important factors in
clude, for example, the nature (hard or soft) of
the impacting object, the angle of impact, vehicle
speed, etc. ¢
page 164, How side curtain air
bags work.
Aside from their normal safety function, safety
be lts work to help keep the driver or front pas
senger in pos it ion in the event of a collision so
that the side curtain airbags can provide protec
tion .
The airbag system is not a substitute for your
safety belt. Rather, it is part of the overa ll occu
pant restraint system in your vehicle. Always re member that the airbag system can only he lp to
protect you if you are wearing your safety belt
and wear ing it properly . This is another reason
why you should always wear your safety belts ,
not just because the law requires you to do so
¢ page 134, General information.
It is important to remember that while the s ide
curtain airbag system is designed to help reduce
the likelihood of serious injuries, other injuries,
for example, swel ling, b ruising, fr iction burns
and minor abrasions can also be assoc iated with
these airbags upon deployment . Remember too,
these airbags will deploy only once and only in
certain kinds of acc idents -your safety be lts are
always there to offer protection.
The side curtain airbag system basically
consists of:
-The electronic control module and external side
impact sensors
- The side curtain airbags above the front and
rear side windows with ejection mitigation fea
tures
- T he airbag indicator light in the instrument
panel
The airbag system is monito red electronically to
make certa in it is funct ion ing properly at all
164
times. Each time you switch on the ignition, the
airbag system indicator light will come on for a
few seconds (se lf diagnostics).
The side curtain airbag is not activated:
-if the igni tion is sw itched off,
- in side collisions when the acceleration meas-
ured by the sensor is too low,
- in rear-end co llisions.
A WARNING
- Safety belts and the airbag system will only
provide protection when occupants are in
the proper seating position¢
page 53, Gen
eral information.
- If the airbag indicator light¢ page 18
comes when the vehicle is being used, have
the system inspected immediately by your
author ized Audi dealer. It is possible that
the airbag will inflate when it is not sup
posed to, or will not inflate when it should.
How side curtain airbags work
Side curtain airbags can work together with side
airbags to help reduce the risk of head and upper
torso injuries for occupants who are properly re
strained.
Fig. 165 Illus trat ion of principle: Inflated side curtain a ir
bags o n the left s ide
The side curtain airbags inflate between the oc
cupant and the windows on the side of the veh i-
cle that is struck i n a side collision ¢
fig. 165 .
When the system is triggered, the s ide curtain
airbag is filled with propellant gas and breaks
through a seam above the front and rear side
windows identified by the AIRBAG label. In order ..,.

to help provide this additional p rotection, the
side curtain airbag must inflate within the blink
of an eye at very h igh speed and with great force .
The side curtain airbag could injure you if your
seating position is not proper or upright or if
items are located in the area where the supp le
mental side curtain airbag inflates. This applies
espec ia lly to children
~ page 166.
Although they are not a soft pillow, side curtain
airbags can "cushion" the impact and in this way
they can help to reduce the risk of injury to the
head and the upper part of the body.
A fine dust may develop when the airbag deploys.
This is quite normal and does not mean there is a
f ire in the vehicle .
Important safety instructions on the side
curtain airbag system
Airbags are only supplemental restraints. Always
properly wear safety belts and ride in a proper
seating position.
There is a lot that you and your passengers must
know a nd do to help the safety be lts and airbags
do their job to provide supp lemental protec tion .
A WARNING
Improperly wearing safety belts and imprope r
seating positions increase the risk of serious
personal injury and death whenever a vehicle
is being used.
- Never let occupants p lace any parts of their
bodies in the area from which the side cur
tain airbag inflate.
- Always make sure that the side curtain air
bags can inflate without interference .
- Use the built -in coat hooks on ly for light
weight clothing. Never leave any heavy or
sharp-edged objects in the pockets that may interfere w ith airbag deployment and can
cause personal injury in a collision.
- Never use hangers to hang clothes on the
hooks.
- Only use factory-installed sun shades or, if
shades installed after the vehicle leaves the
factory, use only genuine Aud i sun shades.
Airb ag sys tem
-Never swing the sun visors over to the side
windows if things such as pens, garage door
openers, hands-free speakers, etc. are at
tached to the sun v isors. They could come
loose and cause ser ious injury if the side cur
tain airbag inflates.
- A dep loying airbag inflates in a fract ion of a
second and with great force.
- Never attach objects to the cover or in the
deployment zone of a s ide curtain airbag.
- The airbag deployment zones must be kept
clear at all times. Make s ure there are no
objects, pets, o r other persons in the space
between any vehicle occupant and any air
bag at any t ime.
- Do not attach any accesso ries to the doors .
A WARNING
-The airbag sys tem can deploy on ly once. If
the airbag has been trigge red, the system
m ust be rep lace d by an authori zed A udi
dealer or qualified workshop.
- Always have wo rk invo lv ing the side curtai n
airbag system, re moval and i nstallation of
the airbag components, or other repairs
pe rformed by a qualified dealership. Other
wise the airbag system may not work cor
rectly.
- Never attempt to mod ify any components of
the airbag system in any way .
165

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 immediately by your Audi dealer .
A WARNING
-Forward-facing child seats installed on the
front passenger seat may interfere with the deployment of the airbag and cause serious
personal injury to the child.
- If exceptional circumstances require the use
of a forward-facing child restraint on the
front passenger's seat , the child's safety
and well-being require the following special
precautions to be taken:
- Always make sure that the forward -facing
seat has been designed and certified by its manufacturer for use on a front passenger
seat with a front and side airbag.
- Always carefully follow the manufacturer's instructions provided with the child seat
or infant carrier.
- Never install a child restraint without a
properly attached top tether strap if the
child restraint manufacturer's instructions
require the top tether strap to be used.
- Never put the forward-facing child re
straint up against or very near the instru
ment panel.
- Always set the safety belt upper anchor
age to the adjustment position that per
mits proper installation in accordance
with the child restraint manufacturer's in
structions.
- Always move the passenger seat into its
rearmost position in the seat's fore and
aft adjustment range, as far away from
the airbag as possible before installing the
child restraint. The backrest must be ad
justed to an upright position .
- Always make sure that nothing prevents
the front passenger's seat from being moved to the rearmost position in its fore
and aft adjustment range .
Child safety
-Never place objects on the seat (such as a
laptop, CD player, electronic games de
vice, power inverter or seat heater for
child seats) . These may influence the elec
trical capacitance measured by the capaci
tive passenger detection system and can
also fly around in an accident and cause serious personal injury.
- Never place or use any electrical device
(such as a laptop, CD player, electronic
games device, power inverter or seat heat
er for child seats) on the front passenger
seat if the device is connected to the 12-
volt socket or the cigarette lighter socket.
- 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.
- Make sure that there are no wet objects
(such as a wet towel) and no water or oth
er liquids on the front passenger seat cushion.
- Always make sure that the
PASSENGER
AIR BAG OFF
light comes on and stays on
all the time whenever the ignition is
switched on.
- If the
PASSENGER AIR BAG OFF light
does not come on and stay on, immediate
ly install the forward-facing child seat in a
rear seating position and have the airbag
system inspected by your authorized Audi
dealer.
- Always buckle the child seat firmly in
place even if a child is not sitting in it. A
loose child seat can fly around during a
sudden stop or in a collision.
- Always read and heed all WARNINGS
whenever using a child restraint in a vehi
cle
r=;, page 134, Safety belts, r=;, page 142,
Airbag system
and ¢ page 166, Impor
tant informat ion .
(D Tips
Always replace child restraints that were in
stalled in a vehicle during a crash. Damage to
a child restraint that is not visible could cause it to fail in another collision situation.
167

Child safety
Advanced front airbag system and children
Your vehicle is equipped with a front "Advanced
Airbag System" in compliance with United States Federal Motor Vehicle Safety Standard (FMVSS)
208, as well as Canada Motor Vehicle Safety
Standard (CMVSS) 208 as applicable at the time
your vehicle was manufactured.
The Advanced Airbag system in your vehicle has
been certified to meet the "low-risk" require
ments for 3- and 6-year old children on the pas
senger side and small adults on the driver side.
The low risk deployment criteria are intended to
reduce the risk of injury through interaction with
the airbag that can occur, for example, by being
too close to the steering wheel and instrument panel when the a irbag inflates. In addition, the
system has been certified to comply with the
"suppression " requirements of the Safety Stand
ard, to turn off the front airbag for infants up to
12 months who are restrained on the front pas
senger seat in child restraints that are listed in
the Standard.
Even though your vehicle is equipped with an Ad ·
vanced Airbag system, all children, especially
those 12 years and younger, should always ride in the back seat properly restrained for their age
and size. The airbag on the passenger side makes
the front seat a potentially dangerous place for a
child to ride . The front seat is not the safest place
for a child in a forward-facing child safety seat . It
can be a very dangerous place for an infant or a
larger child in a rearward-facing seat.
The vehicle's Advanced Airbag System has a ca
pacitive passenger detection system in the front
passenger seat cushion that can detect the pres
ence of a baby or a child in a child restraint sys
tem on this seat .
The capacit ive passenger detection system regis
ters the changes that result in an electrical field
when a child, a child restraint, and a baby blanket
are on the front passenger seat. The change in
the measured capacitance due to the presence of
a child, a child restraint, and a baby blanket on
the front passenger seat is related to the child restraint system resting on the seat. The meas
ured capacitance of a child restraint system var-
168
ies depending on the type of system and specific
make and model.
The electrical ca pacita nee of the various types,
makes, and models of child restraints specified
by the U.S .National Highway Traffic Safety Ad
ministration (NHTSA) in the relevant safety
standard are stored in the Advanced Airbag Sys
tem control unit together with the capacitances
typical of infants and a 1-year old child. When a
child restraint is used on the front passenger
seat w ith a typical 1 year-old infant, the Ad
vanced Airbag System compares the capacitance measured by the capacitive passenger detection
system with the data stored in the electronic con
trol unit.
Child restraints and Advanced front airbag
system
Regardless of the child restraint that you use,
make sure that it has been certified to meet Safe
ty Standards and has been certified by its manu
facturer for use with an airbag . Always be sure
that the child restraint is properly installed at
one of the rear seating positions. If in exception
al circumstances you must use it on the front
passenger seat, carefully read all of the informa
tion on child safety and Advanced Airbags and heed all of the applicable WARNINGS. Make cer
tain that the child and child restraint are correct ly recognized by the capacitive passenger detec
tion system in the front passenger seat, that the
front passenger airbag is turned off, and that the airbag status is always correctly signaled by the
PASSENGER AIR BAG OFF light .
Many types and models of child restraints have
been available over the years, new models are in
troduced regularly incorporating new and im
proved designs and older models are taken out of
production. Child restraints are not standardized.
Child restraints of the same type typically have
different weights and sizes and different "foot
prints", the size and shape of the bottom of the
child restraint that sits on the seat, when they
are installed on a vehicle seat. These differences make it virtually impossible to certify compliance
with the requirements for advanced airbags with
each and every child restraint that has ever been .,..

sold in the past or will be sold over the course of
the useful life of your vehicle.
F or this reason, the U nited States National High
way Traffic Safety Administration has p ublished a
list of specific type, makes and models of child
restraints that must be used to certify compli
ance of the Advanced Airbag System in your vehi
cle with the suppression requirements of Federal
Motor Vehicle Safety Standard 208. These child
restraints are:
Subpart A - Car bed ch ild re str aint s
Model Manufactured on or
after
Ange l Guard Angel September 2S, 2007
Ride AA2403FOF
Subp art B - Re ar-f acin g child re str aint s
Model Manufactured on or
after
Century SmartFit 4543 December 1, 1999
Cosco Arriva September 25, 2007
22-013PAW and base
22-999WHO
Evenflo D iscovery Ad- December 1, 1999
just Right 212
Evenflo F irst Choice December 1, 1999
204
Graco Infant 8457 December 1, 1999
Graco 5nugride September 25, 2007
Peg Perego Primo Viag- September 25, 2007
gio SIP IMUNOOUS
Subpart C -Fo rward -facing and con vertibl e
child r est raint s
Model Manufactured on or
after
Britax Roundabout September 25, 2007
E9L02xx
Cosco Touriva 02519 December 1, 1999
Cosco Summ it Deluxe September 25, 2007
High Back Booster
22-262
Cosco High Back Boos- September 25, 2007
ter 22-209
Ch ild safety
Model Manufactured on or
after
Evenflo Tribute V September 25, 2007
379xxxx
E venflo Meda llion 254 Decembe r 1, 1999
Evenflo Generat ions September 25, 2007
352xxxx
Graco ComfortSport September 25, 2007
Graco Toddler Safety September 25, 2007
Seat Step 2
Graco Platinum Cargo September 25, 2007
A WARNING
To reduce the risk of serious injury, make sure
that the
PASSENGER AIR BAG OFF light
comes on and stays on whenever a child re
stra int is ins talled on the front passenger seat
and the ign it ion is swi tched on.
- Take the child restra int off the front passen
ge r seat and install it prope rly at one of the
rear seat positions if the
PA SSENGER AIR
BAG OFF
light does not stay on .
- Have the ai rbag system inspec ted by your
author ized Audi dealer immed iate ly.
(D Tips
The child seats listed in categor ies A to C have
been statically tested by Audi only for the Ad
vanced Airbag f unction.
Important safety instructions for using
child safety seats
Correct use of child safety seats substantially re
duces the risk of injury in an accident!
As the dr iver, yo u are responsib le for the safety
of eve rybody in the vehicle, especia lly children:
.,. Always use the right child safety seat for each
child and always use it properly ~
page 172.
.,. Always carefully follow the chi ld safety seat
manufacturer 's instructions on how to route
the safety belt properly th rough the chi ld safe
ty seat.
.,. When using the vehicle safety belt to install a
child safety seat, you must first activate the
convertib le locking retractor on the safety belt
Iii>-
169