airbag off AUDI S4 2014 User Guide

angle of impact that will always trigger the
airbags, since the circumstances will vary con­
siderably between one collision and another.
Important factors include, for example, the nature (hard or soft) of the object which the
car hits, the angle of impact, vehicle speed,
etc. The front airbags will also not inflate in
side or rear collisions, or in ro ll-overs .
Alwa ys rem ember : Airbags will deploy only
once, and only in certa in kinds of collisions .
Your safety belts are always there to offer pro­
tection in those s ituations in which airbags
are not supposed to deploy , or when they have
a lready deployed ; fo r example , when yo ur ve­
h icle strikes or is struck by another after the
first collision .
This is just one of the reasons why an a irbag is
a supplementary restra int and is not a s ubst i­
tute for a safety belt . The airbag system
works most effectively when used with the
safety belts. Therefore, always properly wear
your safety belts
¢ page 138.
A WARNING
Sitting too close to the steer ing wheel or
instrument panel will decrease the effec­
tiveness of the airbags and will increase
the risk of pe rsonal injury in a co llision .
- Never sit closer than
10 inches (25 cm)
to the stee ring wheel or instrument pan­
el.
- If you cannot sit more than
10 i nches
(25 cm) from the steer ing whee l, investi­
gate whether adaptive equipment may
be available to help you reach the pedals
and increase your seating dis tance from
the steering wheel.
- If you are unrestrained, lean ing fo rward,
sitting sideways or out of position in any
way, yo ur risk of inj ury is much highe r.
- You w il l also receive serio us inju ries 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 r isk o f injury when an air ­
bag inflates, a lways wear safety belts
proper ly ¢
page 141, Safety belts .
Airbag system 147
-Always make certain that chi ld ren age 12
or younger a lways ride in the rear seat. If
children are not properly restrained, they may be severe ly inju red or killed when an
airbag inf lates .
- Never let ch ildren ride unrestra ined or
improperly restrained in the vehicle . Ad ­
just the front seats prope rly.
- Never ride with the backrest reclined.
- Always sit as far as possible from the
steer ing whee l or the instrument pane l
¢page 129.
-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 f loor in front of the seat to
he lp prevent serio us in juries to the legs
a nd h ips if the airbag inflates.
- Never recline the front passenger 's seat
to tra nsport objects. Items can a lso
move i nto the area of the s ide a irbag or
the front a irbag du ring bra king or in a
sud den maneuve r. Obje cts ne ar the air­
bags can become projectiles and cause
injury when an airbag inflates.
_&. WARNING ~
A irbags that have de ployed in a crash must
be replaced.
- Use on ly original equipment airbags ap­
proved by Audi and installed by a trai ned
technician who has the necessary too ls
and d iagnost ic equipment to properly re­
place any airbag in your vehicle and as­
sure system effectiveness in a crash .
- Never perm it salvaged or recycled air­
bags to be installed in your vehicle .
Child restraints on the front seat - some
important things to know
.,. Be su re to read t he importa nt information
and head the WARNINGS fo r important de­
tails about children and Advanced Airbags
¢ page 167. ..,.
•
•

148 Airbag sys tem
Even tho ugh your vehicle is equip ped with an
Advanced Airbag System , make certain that
a ll c hildren, especially those 12 years and
younge r, a lways ride in the back seat properly
restra ined for their age and size. The airbag
on the passenger side makes the front seat a potentially dangerous place for a ch ild to r ide.
The front seat is not the safest place for a
child in a fo rward-facing ch ild safety seat. It
can be a very dangerous place for a n infant or
a child in a rea rward-facing seat.
The Advanced Airbag System i n your veh icle
has been certified to comp ly with the Requ ire­
men ts of Uni ted Sta tes Federa l Mo tor Veh icle
Safety Standard 208 as applicable at the time
your veh icle was manufactured.
The Standard requires the front a irbag on t he
passenger side to be turned off ("sup­
pressed") if a ch ild up to about one year of
age restrained in one of the rear -facing o r for­
ward -facing infant restraints listed i n Federal
Motor Vehicle Safety Standard 208 with which
the Advanced A irbag System in your vehicle
was certified has been installed o n the front
passenger seat . For a listing of the child re ­
strai nts t hat we re used to certify compliance
with the US Safety Standard
r=vpage 169.
The PASSENGER AIR BAG OFF light in the in­
strument panel te lls you when the front Ad­
vanced A irbag on the passenger side has been
turned off by the e lectronic control unit.
Each t ime you turn on the ignition, the
PAS ­
SENGER AIR BA G OFF
light will come on for a
few seconds a nd:
- will stay on if the front passenger seat is not
occupied,
- wi ll stay on if there is a small child or child
restraint on the front passenger seat,
- wi ll go off if the front passenger seat is oc ­
cupied by an adult as registered by the
weight-sensing mat
r=v page 156, Monitor­
ing the Advanced Airbag System .
The PASSENGER AIR BAG OFF light comes on
when the control un it detects a total weight
on the front passenger seat that requ ires the
fro nt airbag to be turned off.
If the total weight on the front passenge r
seat is more than that of a typica l 1 year -old
c hil d but less than the weight o f a small
adult, the front airbag on the passenger side
can deploy (the
PASSENGER AIR BAG OFF
li ght does not come on). If the PASSENGER
AIR BAG OFF
light does not come on , the
front a irbag on the passeng er side has not
been turned off by the elec troni c con trol unit
and can deploy if the control uni t se nses an
impact that meets the cond itions stored in its
memo ry .
For example, the airbag may deploy if:
- a small ch ild that is heav ier t han a typical 1
year-old ch ild is on the front passenger seat
( r egard less of whethe r the child is i n one of
t he child safety seats listed
r=v page 169), or
- a child who has outgrown ch ild restraints is
on t he front passenge r seat.
If the front passenger airbag is turned off, the
PASSENGER AIR BAG OFF light comes on in
the instr ument cluster and stays on.
The front airbag on the passenger s ide may
not deploy (the PASSENGER AIR BAG OFF
li gh t does not illum inate and stay lit) even if a
small adult o r teenager, or a passenger who is
not sitt ing up rig ht w ith their back against a
non- recl ined ba ck res t w it h thei r feet on the
vehicle f loor i n front of the sea t is on the front
passenger seat
r=v page 129 , Proper seating
position for the driver.
If t he fron t passenger a irbag dep loys, the
F ede ra l Standard req uires the airbag to meet
t h e "low risk" dep loyment criteria to red uce
t h e risk of injury t hrough interactio n wit h the
airbag. "Low risk" dep loyment occ urs in those
crashes that take place at lower dece lerat ions
as defined in the electronic control unit
r=v page 157, PASSENGER AIR BAG OFF light .
Always remember, a child safety seat or infant
carr ier installed on the front seat may be
struck and knocked out of posit ion by the rap­
idly inflat ing passenger 's airbag in a fronta l
collision . T he a irbag could great ly reduce the
effectiveness of the ch ild restra int and even
seriously injure t he ch ild dur ing inflation .

For this reason, and because the back seat is
the safest place for children - when properly restrained according to their age and size - we
strongly recommend that children always sit in the back seat
Q page 167, Child Safety.
A WARNING
-
A child in a rearward-facing child safety seat installed on the front passenger seat
w ill be seriously injured and can be k illed if
the front a irbag inflates - even with an Ad­
vanced Airbag System.
- T he inflating a irbag w ill hit the child
safety seat or infant carrier w ith great
force and w ill smash the ch ild safety sea t
and child against the backrest, cente r
armrest, door or roof .
- Always install rear -facing child safety
seats on the rear seat.
- If you mus t inst all a rearward facing
child safety seat on the front passenger
seat beca use of exceptional circumstan­
ces and the
PASSENGER AIR BAG OFF
light does not come on and stay on , im­
med iately install the rear-facing child
safety seat in a rear seating posit ion and
have the a irbag system inspected by your
authorized Aud i dealer .
- Forward-fac ing ch ild safety seats instal­
led on the front passenger's seat may in­
terfe re with the deployment of the air­
bag and cause se rious personal injury to
the ch ild.
A WARNING
If, in exceptional c irc umstances, you mus t
install a forwa rd-facing child restra int on
the front passenger's seat:
- Alw ays make sure the forw ard -fac ing
sea t has been des igned and certified by
its manufacturer for use on a front seat
with a passenger front and side airbag.
- Never put the forward -facing child re ­
straint up aga inst or very near the instru­
ment pane l.
- Always move the passenger seat into its
rearmost position in the seat's fore and
A irbag system 149
aft ad justment range, as far away from
the airbag as possible before installing
the forward-fac ing ch ild restraint. The
backrest must be adj usted to an upright
position .
- Make sure that the
PASSENGER AIR BAG
OFF
li ght comes on and stays on all the
time wheneve r the ignit ion is switched
on.
A WARNING
T o reduce the risk of ser ious injury, make
su re that the
PASSENGER AIR BAG OFF
light w ill be displayed whenever a child re­
straint is installed on the front passenger
seat and the ignition is switched on.
- If the
PASSENGER AIR BAG OFF light
does not s tay on, per form the checks de ­
scribed
Q page 156, Monitoring the Ad ­
vanced Airbag System.
- Take the chi ld restraint off the front pas­
senger seat and install it properly at one
of the rear seat positions if the
PASSEN ­
GER AIR BAG Off light does not stay on.
- Have the airbag system inspected by
your author ized Audi dealer immed iate­
ly .
-Always carefu lly follow instr uctions from
child restraint manufacturers when in­
stall ing ch ild restra ints .
A WARNING
If, in except iona l circumstances, you must
install a forward or rearward-facing child
restra int on the front passenger's seat :
- Improper instal lation of ch ild restraints
can reduce their effectiveness o r even
prevent them from providing any protec­
tion.
- An improper ly installed ch ild restra int
can interfere with the airbag as it de­
ploys and seriously i njure o r even kill the
child -even with an Advanced Airbag
System.
- Always carefu lly follow the manufact ur­
er 's ins tructions p rov ided with the ch ild
safety seat or carrier . •
•

150 Airbag system
-Never place additiona l items on the seat
that can increase the total weight regis­
tered by the weight-sensing mat and can
cause injury in a crash.
Front airbags
Description of front airbags
The airbag system can provide supplemental
protection to properly restrained front seat
occupants.
F ig . 153 Location of driver airbag: in steer ing whee l
Fig. 15 4 Location of front passenger's airbag: in the in ­
strument panel
Your veh icle is equipped with an "Advanced
A irbag System" in compliance with United
States Federal Motor Vehicle Safety Standard ( FM VSS) 208 as app licab le at the time your
ve hicl e was manufac tured. The system senses
the position of the front seats and controls
front airbag inflation with a valve, depending
on the distance between the respect ive seat
and the steering wheel or instrument panel.
The safety belts for the seats have "preten­
sioners" that he lp to take slack out of the belt
system . The pretensioners a re also activated
by the electron ic cont ro l unit for the ai rbag
system. T
he front safety belts also have load limiters
to help reduce the forces applied to the body
i n a crash .
T he airbag for the drive r is in the stee ring
whee l hub¢
fig. 153 and the airbag for the
front passenger is in the instrument panel
~ fig. 154 . The general locat ion of the a irbags
is marked "AIRBAG".
T here is a lot you need to know about the ai r­
bags in your vehicle. We urge you to read the
detailed information about airbags, safety
belts and child safety in this and the other
chapters that make up the owner's literature.
P lease be sure to heed the WARNINGS -they
are extremely importa nt for your safety and
the safety of your passengers, especially in­
fants and small chi ldren.
_&. WARNING
Neve r rely on airbags alone for p rotection.
- Even w hen they deploy, airbags provide
only s upplement al pro te ctio n.
- Airbag work most effect ive ly when used
with p roperly wor n safety bel ts.
- Therefore, always wea r you r safety belts
a nd make sure tha t eve rybody in your ve­
h icle is p roperly res trained.
_&. WARNING
A pe rson on the front passenger seat, es­
pe cial ly infa nts and sm all ch ildren, w ill re­
ceive serio us inju ries and can even be kil­
l ed by being too close to the airbag when
it inflates .
- Although t he Advanced Airbag System in
your veh icle is designed to tur n off the
front passenger airbag if an infant or a
small child is on the front passe nger
seat, nobody can absolutely guarantee
that deployment under these special
conditions is imposs ible in all conceiva­
b le sit uat ions that may happen during
the useful life of your vehicle.
- The Advanced Airbag System can dep loy
i n acco rdance with the "low risk" option
unde r the U.S . Feder al Standard if a child
that is heav ie r than the typical one -year
-
.

old chi ld is on the front passenger seat
and the other cond itions for airbag de­
ployment are met.
- Accident statistics have shown that chil­
dren are generally safer in the rear seat
area than in the front seating posit ion.
- For their own safety, all children, espe­ cially 12 years and younger, should al­
ways ride in the back properly restrained
for their age and size .
Advanced front airbag system
Your vehicle is equipped w ith a front Advanced
Airbag System in compliance with Un ited
States Federal Motor Vehicle Safety Standard
208 as app licable at the time yo ur vehicle was
manufactured .
The front Advanced Airbag System supple­ ments the safety belts to provide add it io na l
protection fo r the d river's and fron t passeng­
e r' s heads and upper bodies in fronta l crashes.
The airbags inflate only in frontal impacts
when th e vehicle dece le rat ion is high enough .
The front Advanced Airbag Sys tem for the
front seat occupants is not a substit ute for
your safety belts. Rather, it is part of the over­
all occupant restraint system in your vehicle.
A lways remember that the ai rbag system can
only help to protect you, if you are sitting up­
right, wearing you r safety belt and wearing it
properly . This is why you and you r passengers
must always be properly restrained, not just
because the law requires you to be.
T he Advanced Airbag System in your veh icle
has been cert ified to meet the "low risk " re ­
qu irements for 3 and 6 year-o ld children on
the passenge r side and very small adu lts on
the dr iver side . The low risk dep loymen t crite­
ria are intended to he lp red uce the risk of i n­
jury through interaction with the front airbag
that can occ ur, for example , by being too
close to the steer ing whee l and instrument
panel when the airbag inflates.
I n addition, the system has been certif ied to
comp ly with the "suppression" requirements
A irbag system 15 1
of the Safe ty Standa rd, to turn off the front
airbag for infants 12 months old and younger
who are restrained on the front passenger
seat in child restraints that are listed in the Standa rd
¢ page 169 , Child restraints and
Advanced Airbags .
"Suppression" requires the front a irbag on the
passenger side to be turned off if:
- a child up to abo ut one year o f age is re ­
strained on the front passenger seat i n one
of the rear-fac ing or forward-facing infant
restraints listed in Federal Motor Vehicle
Safety Standard 208 with which the Ad­
vanced Airbag System in your ve hicle was
cert ified . Fo r a listing o f the child restraints
that were used to certify your vehicle's com­ plia nce w ith the US Safety Standa rd
¢ page 169,
-weight less than a thres ho ld level stored in
t he control uni t is de te cted on the fron t pas­
senge r seat.
When a person is detected on the front pas­
senger seat, weighing more than the total
weight of a ch ild tha t is abou t 1 year old re ­
stra ined in one of the rear -faci ng or forward ­
f acing infa nt res traints ( listed in Fede ral Mo­
tor Vehicle Safety Standard 208 w it h which
the Advanced Airbag System in yo ur vehicle
was certified), the front airbag on the passen­ ger side may or may not deploy.
The
PASSENGER AIR BAG OFF light comes on
when the elect ronic contro l unit detects a to­
ta l we ight on the front passenger seat that re­
quires the front airbag to be tu rned off. If the
PASSENGER AIR BAG OFF light does not
come on, the front ai rbag on the passenger
s ide has not been turned off by the cont ro l
unit and ca n dep loy if t he control un it senses
an impact that meets the cond itions stored i n
its memory.
If the total weig ht on the front passenge r
seat is more than that of a typical 1 yea r-o ld ,
bu t less than the we igh t of a small ad ult, t he
fron t airbag on the passenger side may dep loy
(the
PASSENGER AIR BAG OFF light does not
come on). ..,. •
•

152 Airbag sys te m
For exa mpl e, the air b ag ma y depl oy if:
- a small child that is heavier than a typical 1
year-o ld child is on the front passenger seat
(regardless of whe ther the child is in one of
the chi ld safety seats listed
¢ page 169),
-a ch ild who has outgrown child rest raints is
on the front passenger seat.
If the front passenger airbag is turned off, the
PA SSENGER AIR BAG OFF light in the cente r
of the instrument panel w ill come on and stay
on.
The front a irbag on the passenger side may
not deploy (the PAS SENGER AIR BAG OFF
light does not illuminate and stay lit) if:
- a small adult or teenager is on the front pas­
senger seat
- a passenger who is not sitt ing upright wit h
their back against a non-reclined backrest
with their feet on the veh icle floo r in front
of the seat is on the front passenger seat.
If the front passenger airbag deploys, the Federal Standard requires the airbag to meet
the "low risk" deployment criteria to help re­
d uce the risk of inju ry through interaction
with the airbag. " Low risk" deployment occurs
in those crashes that take place at lower de­
celerations as defined in the e lectronic control
un it.
¢ page 156
Alw ays remember : Even though you r vehicle
is equipped with Advanced Airbags, the safest
p lace for children is properly restrained on the
back seat . Please be sure to read the impor­
tant information in the sect ions that follow
and be sure to heed all of the WARNINGS.
A WARNING
To reduce the risk of injury when an airbag
inf lates, always wear safety belts properly.
- If you are unrestrained, lean ing forward,
sitting sideways or out of position in any
way, your risk of in jury is much higher.
- You w ill also receive serious injuries and
cou ld even be killed if you are up against
the a irbag or too close to it when it in- f
lates - even with an Advanced A irbag
¢page 146.
A WARNING
-A child in a rearward-fac ing ch ild safety
seat installed on the front passenger seat
will be serious ly injured and can be killed if
the front airbag inflates - even with an Ad­
vanced A irbag System.
- Although the Advanced Airbag System in your veh icle is designed to turn off the
front airbag when a rearward-facing child restraint has been instal led on the
front passenger seat, nobody can abso­
lutely g uarantee that dep loyment is im ­
possible in all conceivable situations that
may happen during the usefu l life of your
veh icle.
- The inflating airbag will hit the child
safety seat or infant carrier with great
force and will smash the child safety seat
and child aga inst the backrest, center
armrest, door, or roof.
-Always install rearward -facing ch ild re ­
straints in the back seat.
- If you must install a rearward fac ing
child safety seat on the front passenger
seat because of exceptiona l circumstan­
ces and the
PASSENGER AIR BAG OFF
light does not come on and stay on, im­
mediately insta ll th e rear-fac ing ch ild
safety seat in a rear seating position and
have the airbag system inspected by your
authorized Audi dealer .
A WARNING
If, in exceptional circumstances, you m ust
insta ll 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 s ide a irbag.
- Never p ut the forward-facing child re­
straint up against or very near the instru- ment panel.
~

-Always move the passenger seat into its
rearmost position in the seat's fore and
aft adjustment range, as far away from
the a irbag as poss ible, before insta lling
the forward-facing child restraint. The backrest must be adjusted to an upr ight
posit ion.
- Make sure that the
PASSENGER AIR BAG
OFF
light comes on and stays on all the
t ime w henever the ignition is sw itched
o n.
Advanced Airbag System components
The fron t passenger seat in your vehicle has a
lot of very important parts of the Advanced
Airbag System in it. These parts include the
weight-sens ing mat, sensors, wiring, brack ­
ets, and more. The function of the system in
the front passenger seat is checked by the
e lectronic control u nit when the ignit ion is on .
The control un it mon itors the Advanced Air­
bag System and turns the airbag indicator
l ight on whe n a ma lfunction in t he sys tem
components is de tected. The function of the
airbag indicator light is described in greater
detai l below . Because the front passenger
seat contains important parts of the Ad ­
vanced A irbag System, you m ust take care to
prevent it from being damaged. Damage to
the seat may prevent the Advanced Airbag for
the front passenger seat from doing its job in
a crash .
The front Advanced Airb ag Sy stem
consists of the following:
- Crash sensors in the front of the veh icle that
measure veh icle acceleration/decele ration
to provide information to the Advanced Air­
bag System about the seve rity of the crash.
- An electronic co ntrol unit, with integrated
c rash se nsors for front and side impacts .
T he cont ro l unit " decides " whethe r to fire
the front airbags based on the inform ation
received from the crash senso rs . The contro l
unit a lso "decides" whether the safety belt
pretensioners should be activated .
Airbag system 153
-An Advanced A irbag w ith gas gene rator and
contro l valve fo r the driver ins ide the steer ­
ing wheel h ub.
- An Advanced Airbag w ith gas gene rator and
contro l valve inside the instrument pane l for
the front passenger.
- A weight-sensing mat under the upholstery
padding of the front passenger seat cushion
that measures the total weight on the seat.
The informat ion reg istered is sent continu­
ously to the electronic control unit to regu­
late deployment of the front Advanced Air­
bag on the passenger side.
- An airbag monitor ing system and ind icator
light in the instrument cluster
q page 156 .
-A sensor in each front seat registers the dis­
tance between the respective seat and the
steer ing whee l o r inst rument panel. The in­
forma tion registered is sent cont inuo usly to
t he elect ron ic cont ro l uni t to regula te de­
ployment o f the front Advance d Airbags .
- The
PASSENGER AIR BAG OFF ligh t comes
on and st ays on in the cen ter o f th e instr u­
ment panel
<:!;> page 157, fig . 156 and tells
you whe n the front Advanced Airbag on the
passenger side has been tu rned
off .
-A sensor below the safety be lt latch fo r the
front seat passenger to measure the tension on the safety be lt . The tension on the safety
be lt and the weight registered by the
weight-sensi ng mat he lp the control unit
"decide" whether the front a irbag for the
front passenge r seat should be turned
off or
not
<=;> pag e 147, Child restraints on the
front seat -some important things to
know.
- A senso r in the safety belt latch fo r the d riv­
er a nd fo r the fro nt sea t passenger tha t
senses w hethe r that safe ty belt is latched or
no t and transmi ts this informa tion to the
electronic control unit.
_&. WARNING
Damage to the front passenger seat can
prevent the front airbag from work ing
properly.
-
•
•

154 Airbag sys te m
- Improper repair or disassembly of the
front passenger and driver seat will pre­
vent the Advanced Airbag System from
functioning properly.
- 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 veh icle.
- 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 place them on the seat. If the weight­
sensing mat in the passenger seat is
punctured it cannot work properly.
- Never carry things on your lap or carry
objects on the passenger seat. Such
items can increase the weight registered
by the weight-sens ing mat and send the
wrong info rmation to the airbag control
unit.
- Never store items under the front pas·
senger seat. Parts of the Advanced Ai r­
bag System under the passenger seat
cou ld 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 deploy ing prop­
erly.
- Never use cush ions, pillows, blankets or
similar items on the front passenger
seat. The add itional padd ing will prevent
the weight-sensing mat in the seat from
accurately reg iste ring the ch ild restra int
or person on the seat and prevent the
Advanced Airbag System from function­ ing properly .
-If you must use a child restra int on the
front passenger seat and the chi ld re- straint manufacturer's instructions
re­
qu ire the use of a towel, foam cushion or
something e lse to properly pos ition the
child restraint, make certain that the
PASSENGER AIR BAG OFF light comes
on and stays on whenever the ch ild re·
straint is installed on the front passen­
ger seat.
- If the PASSENGER AIR BAG OFF light
does not come on and stay on, immed i­
ately insta ll child restraint in a rear seat­
ing position and have the airbag system
inspected by your authorized Audi dealer.
How the Advanced Airbag System
components work together
The front Advanced Airbag System and the
side airbags supplement the protection of­
fered by the front three-point safety belts
with pretensioners and load limiters and the
adjustable head restraints to help reduce the
risk of injury in a wide range of accident and
crash situations. Be s ure to read the impor ­
tant information about safety and heed the
WARNINGS in this chapter.
Deployment of the Adv a need A irbag System
and the activation of the safety belt preten­
sioners depend on the deceleration measured
by the crash sensors and registered by the
electron ic control unit. Crash severity depends
on speed and deceleration as well as the mass
and stiffness of the vehicle or object involved
in the crash .
On the passenger side, regardless of safety
belt use, the airbag will be turned off if the
weight on the passenger seat 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 Moto r Veh icle Safety Standard 208 has been
recognized on the seat. The
PAS SENGER 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 147, Child restraints on the front seat
- some important things to know. ...,.

A WARNING
To reduce the risk of injury when an airbag
inflates, always wear safety belts properly.
- If you are unrestrained, lean ing forward,
sitting sideways or out of position in any
way, your risk of injury is much higher.
- You w ill also receive serious injuries and
could even be killed if you are up against
the a irbag or too close to it when it in­
fla tes - even with an Advanced Airbag
~page 146.
More important things to know about
front airbags
Fig. 155 Inf lated front a irbags
Safety belts are impo rtant to help keep front
seat occupants in the p roper seated pos ition
so that airbags can unfo ld properly and pro­
v ide supp lemental protection in a fronta l col­
lision.
The front a irbags are designed to provide ad­
d itiona l protection for the chest and face of
the dr iver and the front seat passenge r when:
- safety belts are worn prope rly,
- the seats have been posit ioned so that the
occupant is properly seated as far as possi­
ble from the a irbag,
- and the head restraints have been properly adjusted .
Because airbags i nflate in the blink of an eye
with great force, things you have on your lap
or have placed on the seat could become dan ­
ge ro us projectiles, and be pushed into you if
the airbag inflates.
When an a irbag deploys, fine dust is released.
This is normal and is not caused by a fire in
A irba g sy stem 155
the vehicle . This dust is made up mostly of a
powder used to lubricate the airbags as they
deploy. It could irr itate skin.
It is important to remembe r that wh ile the
supplementa l airbag system is designed to re­
duce the like lihood of serious injuries, other
injur ies, for example swelling, br uis ing and
minor abrasions, can also happen when air­
bags inflate. Airbags do not protect the arms
or the lower parts of the body . Front a irbags
o nly supplement the three point safe ty belts
in some fronta l co llisions in which the vehicle
decelera tion is h igh enough to deploy the air­
bags.
Front airbags will not deploy :
- if the ignition is sw itched off when a crash
occu rs,
- in side co llisions,
- in rear-end collisions,
- in rollovers,
-when the crash deceleration measured by the airbag system is less than the minimum
threshold needed for airbag dep loyment as
reg istered by the electronic contro l unit .
The front pa ssenger ai rbag will also not
deploy:
- when the front passenger seat is not occu ­
pied,
- when the weight on the front passenger
seat as sensed by the Advanced Airbag Sys­
tem ind icates that the front airbag on the
passe nger side has to be turned off by the
electronic control unit (the
PASSENGER AIR
BA G OFF
light comes on and stays o n).
A WARNING
-S itting in the wrong pos ition can in crease
the r is k of se rious inj ury i n crashes.
- To reduce the risk of injury when the air­
bags inflate, the drive r and passenge rs
m ust always s it in an upr igh t positi on,
m ust not lean against or pla ce any part
of their body too close to the area whe re
the airbags a re located. .,.

156 Airbag sys te m
- Occupants who are unbelted, out of posi­
t ion or too close to the airbag can be
seriously injured by an airbag as it un­
folds with great force in the blink of an eye
~ page 147 .
A WARNING
-
A child in a rearward-facing child safety
seat installed on the front passenger seat
w ill be seriously injured and can be k illed if
the front a irbag inflates -even with an Ad ­
vanced Airbag System.
- T he inflating a irbag will hit the child
safety seat or infant carrier with g reat
force and wi ll smash the chi ld safety seat
and child against the backrest , center
armrest, door or roof .
- Always install rear -facing child safety
seats on the rear seat.
- If you must install a rearward facing
child safety seat on the front passenger
seat because of exceptional circ umstan­
ces and the
PAS SENG ER A IR BAG OFF
light does not come on and stay on, im ·
med iately install the rear-facing child
safety seat in a rear seating position and
have the a irbag system inspected by your
authorized Audi dealer .
A WARNING
Objects between you and the a irbag will
increase the risk of injury in a crash by in­
terfering with the way the airbag unfolds
or by being pushed into you as the a irbag
inflates.
- Never hold th ings in your hands or on
yo ur lap when the vehicle is in use.
- Never transport items on or in the area
of the front passenger seat . Objects
cou ld move into the area of the front air­
bags during braking or other s udden ma­
neuver and become dangerous projec­
t iles that can cause serious personal in­
jury if the airbags inflate .
- Never place or attach accessories or oth­
er objects (such as cupholders, te le­
phone brackets, large, heavy or bu lky ob -
-
jects) on the doors, over or near the area
marked "AIRBAG" on the steer ing whee l,
instrument panel, seat backrests or be­
tween those areas and yourself . These
objects could cause inju ry in a crash, es­
pecia lly when the airbags inflate .
- Never recline the front passenger's seat to transport objects . Items can a lso
move into the area of the s ide airbag or
the front a irbag du ring bra kin g or in a
sudden maneuver. Objects nea r the air­
bags can become projectiles and cause
inj ury, partic ularly when the seat is re­
clined .
A WARNING ~
The fine dust created when airbags deploy
can cause breathing prob lems for people
with a history of asthma or other breath­ i ng cond itions .
- To reduce the risk of breath ing problems,
those with asthma or other respiratory conditions shou ld get fresh air right
away by getting o ut of the veh icle or
open ing windows or doors .
- If you are in a collision in which airbags
deploy, wash your hands and face with
mild soap and wate r before eating.
- Be ca reful not to get the dust into your
eyes, o r into any c uts or sc ratches .
- If the res idue should get into your eyes ,
f lush them w ith wate r.
Monitoring the
Advanced Airbag
System
Airbag monitoring indicator light
T wo separate indicators monitor the function
of the Advanced Airbag System: the airbag
monitoring indicator light and the
PASSEN·
GER AIR BAG OFF
light.
The Advanced A irbag System (including the
electron ic cont ro l unit , sensor circu its and sys­
tem wiring) is monitored continuously to make su re that it is funct io ni ng properly