AUDI A5 CABRIOLET 2010 Owners Manual
Manufacturer: AUDI, Model Year: 2010, Model line: A5 CABRIOLET, Model: AUDI A5 CABRIOLET 2010Pages: 364, PDF Size: 86.51 MB
Page 211 of 364

situations. Be sure to read the important information about safety
and heed the WARNINGS in this chapter.
Deployment of the Advanced A irbag System and the activation of the
safety belt pretensioners depend on the deceleration measured by
the crash sensors and registered by the electron ic control unit. T he
amount of inflation of the front airbags can a lso be adapted to the
front seat position, depending on the distance between the respec
tive front seat and the steering wheel or instrument panel as regis
tered by sensors in the seats. 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 air bag w ill
be turned off if the weight on the passenger seat is less than the
amount programm ed in the electronic control unit . The front airbag
on the passenger side will also be turned off if one of the chi ld safety
seats that has been certified under Federal Motor Vehicle Safety
Standard 208 has been recognized on the seat. The
PASSENGER 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 202, "Child rest raints on the front seat -some important
things to know".
& WARNING
To reduce the risk of injury when an airbag inflates, always wear
safety belts properly.
• If you are unrestrained, leaning forward, sitting sideways or
out of position in any way, your risk of injury is much higher .
• You will also receive serious injuries and could even be killed if
you are up against the airbag or too close to it when it inflates •
even with an Advanced Airbag
=> page 200. •
Safety first Vehicle OP-eration
Airbag system
More important things to know about front
airbags
Fig. 199 Inflated
front airbags
Safety belts are important to help keep front seat occupants in the
proper seated position so that airbags can unfold properly and
prov ide supplemental protection in a frontal collision.
Th e front airbags are designed to provide additiona l protection for
the chest and face of the driver and the front seat passenger when:
• safety belts are worn properly,
• the seats have been positioned so that the occupant is properly
seated as far as possible from the airbag ,
• and the head restraints have been properly adjusted .
Because airbags inflate in the blink of an eye with great force, things
you have on your lap o r have placed on the seat could become
dangerous projectiles, and be pushed into you if the airbag inflates.
When an airbag deploys, fine dust is released. This is normal and is
not caused by a fire in the vehicle. This dust is made up mostly of a
powder used to lubricate the airbags as they deploy .
It could irritate
skin.
It is important to remember that while the supplemental airbag
system is desig ned to reduce the likelihood of serious injur ies, other
injuries, for example swell ing, bruising and m inor abrasions, can also
happen when airbags inflate. Airbags do not protect the arms or the •
Vehicle care Do-it-yourselt service iTechnical data
Page 212 of 364

-L___:_A~ i r'....: b~ a ::::: gL:: s~y -=s ::..:t :.:e :..: m..:..:.. ______________________________________________ _
lower parts of the body. Front airbags only supplement the three
point s afety be lts i n some fro ntal c ollisions in which t he vehicle de ce l
eratio n is h igh enough to dep loy the a irbags.
Front airbags will not deploy:
• if the ignition is sw itched off when a cras h occu rs,
• in s ide collisions,
• in rea r-end collisions,
• in rollovers,
• when the cras h deceleration me asured by the ai rbag syste m is less
than t he m in imum threshold needed for airbag dep loyment as regis
t ere d by the e lectro nic cont rol unit.
The front passenger airbag will also not deploy:
• when the fron t pa sse nger sea t is not o ccupied,
• when the we ight on the front passenge r seat as sense d by the
Advanced Airbag Sys tem in dicates t hat the front airbag on the
passenger side has to be turned off by t he e lectron ic control un it (the
PASSENGER AIR BAG OFF light comes on and st ay s on).
& WARNING
Sitt ing in the wrong posit ion can increa se the risk of serious injury
in crashes .
• To reduce the risk of injury when the airbags inflate , the driver
and passengers must always sit in an upright position , must not
lean against or place any part of their body too close to the ar ea
where the airbags are located.
• Occupants who are unbelted, out of position or too close to the
airbag can be ser iously injured by an airbag as it unfolds with
great force in the blink of an eye=>
page 202.
& WARNING
A child in a rearward-facing ch ild safety seat installed on the front
pa ssenger seat will be seriou sly injured and can be killed if the
front airbag inflates -even with an Advanced Airbag System.
• The inflating airbag will hit the child safety seat or infant
carrier with great force and will smash the child safety seat and
child against the backrest, center armrest , door or roof.
• Always install rear-f acing child safety seats on the rear seat.
• If you must install a rearward facing child safety seat on the
front p assenger seat because of e xceptional circumstances and
the PASSENGER AIR BAG OFF light does not come on and stay on,
i mmediately install the rear-facing child safety seat in a rear
seating position and have the airbag system inspected by your
authorized Audi dealer.
& WARNING
Objects between you and the airb ag wilt increase the risk of injury
in a crash by interfering with the way the airbag unfolds or by
being pushed into you as the airbag inflates.
• N ever hold things in your hands or on your lap when the vehicle
is in use.
• Never tran sport items on or in the area of the front passenger
seat . Object s could move into the area of the front airbag s during
brak ing or other sudden maneuver and become dangerous projec
tiles that can cause serious personal injury if the airbags inflate.
• Never place or attach accessories or other objects (such as
cupholders , telephone bra ckets , large, heavy o r bulky objects) on
the doors, over or near the area marked "AIRBAG " on the steering
wheel, instrument panel , seat backrests or between those areas
and yourself . The se obj ect s could cause injury in a crash , especially
when the airbags inflate .
• Never recl ine the front passenger's seat to transport objects.
Items can also move into the area of the side airbag or the front ..,
Page 213 of 364

Airbag system -----------------=--=---
& WARNING (co ntinued )
airbag during braking or in a sudden maneuver. Objects near the
airbags can b ecome projectiles and cause injury , particularly when
the seat is reclined.
& WARNING
The fine dust created when airbags deploy can c ause breathing
problems
for people with a history of asthma or other breathing
conditions.
• To
reduce the risk of breathing probl ems, those with asthma or
other respiratory conditions should get fresh air right away by
getting out of the vehicle or opening windows or doors.
• If you are in a colli sion in which airbags deploy, wash your
hands and face with
mild soap and water before eating .
• Be careful
not to get the dust into your eyes, or into any cuts or
scratches.
• If the residue should get into your eyes, flush them with
water. •
Monitoring the Advanced Airbag
System
Airbag monitoring indicator Light~~
Two sep ara te i ndic a to rs mo nit o r the func tio n of the
A dvan ced Ai rb ag Sy stem: th e airbag mo nito ring i ndic ator
lig ht and th e
PASSENGER AIR BAG OFF light.
The A dvanced A irbag System ( includ ing the elect ronic contro l unit,
senso r circu it s and system wir ing) is mon it or ed co ntinuous ly to make
sure that it is function ing p roperly whenever the ignition is on. Eac h
tim e you turn on the igni tion, the airba g mo nitoring indicat or ligh t
t:.
will come o n for a few seconds (se lf diagnostics) .
Controls and equip
ment Safety first Vehicle operation
The system must be inspected when the indicator
light ~:
• does not come o n when the ignit io n i s switched on,
• does not go o ut a few se conds a fter you h ave switche d on t he ig ni
tion, or
• co mes on whil e dr iving.
If a n airbag system malfunction is detected, the ind icator light will
fi rst start flashing to catc h the dr iver 's attention and t hen stay on
cont inuo usly to s erve as a constan t rem inder to have the system
inspected immediately .
If a ma lf u ncti on oc curs that tur ns th e fron t air bag on the passe nger
side off, the
PASSENGER AIR BAG OFF light will come on and stay on
w henever the ignition is on.
& WARNING
An airbag system that is not functioning properly cannot provide
supplemental p rotect ion in a frontal crash .
• If the airbag indicator light comes on, it means that there may
be something wrong with the Advanced Airbag System. It is
possible that the airbag will inflate when it is not supposed to, or
will not inflate when it should .
• Have the airbag system inspected immediately by your autho
rized Audi dealer. •
Vehicle care Do-it-yourself service Technical data
Page 214 of 364

-Airbag system
,._____
~--------------
PASSENGER AIR BAG OFF light
Fig. 200 Sec tion from
the in strume nt panel :
PASSENGER AIR BAG
OFF light
The PASSENGER AIR BAG OFF light is located in the center of t he
ins trumen t panel => fig.
200.
T he PASSENGER AIR BAG OFF ligh t will com e on and stay on to te ll
you when the front Advanced Airbag on the passenger side has been
t u rn ed off by the ele ct ronic contro l uni t. Each t ime you t urn on t he
ign ition, the
PASSENGER AIR BAG OFF lig ht will flas h fo r a few
se co nds and:
• will stay on if the front passenger seat is not occupied,
• will s tay on if t here i s a small ch ild or child re str ain t on the fron t
passenger seat,
• will go out if t he fron t passenger seat is oc cupied by a n adul t as
registered by the weight-sensing mat .
Th e
PASSENGER AIR BAG OFF light mu st come on and stay on if the
ign ition is o n and
• a ca r bed has been installed o n the front seat, or
• a rearward -facing child restraint has been insta lled on t he front
passenger seat, o r
• a forward-fac ing ch ild restraint has bee n installed on the front
passenge r seat, o r
• the weight registered on t he front passe nger seat is equal to o r
less th a n the co mb ined we ight of a typic al 1 year-o ld rest rained in one of the rear-fac
ing or forward-facing infant restraints listed in
F e d era l Mo tor Ve hicle Safe ty St anda rd 2 08 w ith which th e Adv anced
Airbag System in your vehicle was cert ified.
If the front passen ger seat is not occ upied, the front airbag will not
dep loy, and t he
PASSENGER AIR BAG OFF ligh t will stay on. Never
install a rearward -facing c hild rest raint on the f ront passenger seat,
t he s afest pl ace fo r a child in any kin d of child re stra in t is a t one o f th e
seating pos it ions on t he rear seat::::;,
page 202, "Child restra ints on
t he fro nt sea t - so me im port an t things to kno w" and ::::;,
page 222,
"Ch ild Safety".
If the PASSENGER AIR BAG OFF light comes on when one of the
c onditions lis ted above is met, be sure to check the lig ht reg ularly to
ma ke certain that the
PASSENGER AIR BAG OFF li ght stays on
c ont inuous ly whenever the ignition is on. If the
PASSENGER AIR BAG
OFF
light does not appear and not stay on all the t ime , stop as soon
as it is safe to do so and
• reactivate the system by turn ing the ig nition off and then tur ning
it on again;
• remove and reinstall the child restraint. Make sure that the c hild
restrain t is properly insta lled and that the sa fety belt for the fron t
passenger seat has been correctly ro uted around the child restraint as
described in the child res trai nt ma nufactu rer's instr uctions;
• make su re that the convertib le lock ing feature on t he safety belt
f or the front passenger sea t has been act ivate d an d that the safe ty
belt has bee n pulled tight. The belt m ust not be loose or have loops
of slac k so that t he senso r be low the safety belt latc h on the seat can
do its job::::;,
page 232 .
• make s ure tha t things tha t may in crease the weight o f the chi ld
and child safety seat are not be ing transported on t he front
passenge r seat;
• make sure that the safety belt tension sensor is not blocked .
Shake the sa fety belt la tch on the front passenger seat back and
forth;
• If a st rap o r tether i s be ing u sed t o tie the c hild safety sea t to the
front passenger seat, make sure that it is not so tig ht that it causes .,_
Page 215 of 364

Airbag system Ill
----------------=--=---
the weight-sensing mat to measure more weight t han is act ua lly on
t he sea t.
If the PASSENGER AIR BAG OFF light still does not come on and
does not stay on cont in uou sly (when the ignition is sw itched on),
• t ake the child re st raint o ff the fr ont pa ssenge r seat and in stall it
prope rly at one of t he rear seat pos itions. Have t he a irbag system
i n sp ec ted by y ou r au thorized A udi dea ler im medi ately.
• move the child to a rear seat posit io n and make sure that the child
i s prop erly re stra ined in a chi ld restr aint t hat is a ppr opr iate for i ts
size and age.
Th e
PASSENGER AIR BAG OFF light sho uld NOT come on when t he
ign ition is on and an adult is si tting in a proper seating pos it io n on the
front passenge r seat. If the
PASSENGER AIR BAG OFF light comes on
and st ays o n or flashes for abou t 5 seco nds w hile drivi ng, under these
circumstances, make sure that:
• t he adult on t he fr on t p asse nger sea t is pro pe rly se ate d on the
center of the seat cushion with his or her back up against the backrest
and the bac kres t is not recli ned => page 178, "Proper occ upant
seating posit ions",
• t he adult is n ot tak ing weig ht off t he se at by h olding on to t he
passenger assist handle above the fro nt passenger doo r or
s up po rting their weight on the armrest,
• the safety belt is be ing properly worn and th at there is not a lot of
s la ck in t he safe ty be lt webb in g,
• accessory seat cove rs or cushions o r othe r th ings that may cause
an in cor rect readin g or i mpress io n o n the weight -sen sing m at under
the upholstery of the seat have been removed from the front
pas senge r sea t,
• a safety be lt extender has not been left in the safety belt latch fo r
t he fr ont p asse n ge r se at.
In addition to the
PASSENGER AIR BAG OFF light in t he center of the
instrument pa nel, the message
PASSENGER AIR BAG OFF or
PASSENGER AIR BAG ON w ill b riefly appear in th e inst rume nt clus ter
Controls and equip
ment Safety first Vehicle operation
display.
This is to inform the dr iver of the current front passenger
a ir bag s tatus. •
Important safety instructions on
monitoring the Advanced Airbag System
& WARNING
An airbag system that is not functioning properly cannot provide
supplemental protection in a frontal crash.
• If the airbag indicator light comes on, it means that there may
be something wrong with the Advanced Airbag System. It is possible that the airbag will inflate when it is not supposed to, or
will not inflate when it should .
• Have the airbag system inspected immediately by your autho
rized Audi dealer.
& WARNING
If the front airbag inflates, a child without a child restraint, in a
rearward-facing child safety seat or in a forward-facing child
restraint that has not been properly installed will be seriously
injured and can be killed .
• Even though your vehicle is equipped with an Advanced Airbag
System, make certain that all children, especially 12 years and
younger , always ride on the back seat properly restrained for their
age and size .
• Always install forward or rear-facing child safety seats on the
rear seat -even with an Advanced Airbag System.
• If you must install a rearward-facing child safety seat on the
front passenger seat because of e xceptional circumstances and
the PASSENGER AIR BAG OFF light does not appear and stay on, immediately install the rear-facing child safety seat in a rear ..,
Vehicle care Do-it-yourself service Technical data
Page 216 of 364

........ _A_ i_rb _ a_,g,:;._ s_, y'- s_ t_e _m ________________________________________________ _
& WARNING (conti nued)
seating position and have the airbag system inspected by your
authorized Audi dealer .
• A tight tether or othe r strap on a rearward-facing child
restraint attached to the front passenger seat can put too much
pressure on the weight-sensing mat in the seat and register more
weight than i s actually on the seat. The heav ier weight registered
can make the system work as though an adult were on the seat
and deploy the Advanced Airbag when it must be suppressed
causing serious or even fatal injury to the child .
• If, in ex ceptional circumstances, you must install a forward·
facing child restraint on the front passenger seat, always move
the seat into i ts rearmo st po sition in the seat's fore and aft adjust ·
ment range, as far away from the airbag as possible . 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 time
whenever the ignition is switched on.
& WARNING
• If the PASSENGER AIR BAG OFF light do es not go out when an
adult is sitting on the front passenger seat after taking the steps
de scribed above, make sure the adult i s properly seated and
restrained at one of the rear seating positions.
• Have the airbag system inspected by your authorized Audi
dealer before transporting anyone on the front passenger seat.
[ i ] Tips
If the we ight-sens ing mat in the front passenger seat detects an
empty seat, the front a irbag on the passenger side w ill be t urne d off,
and PASS ENGER AIR BAG OFF will stay on.•
Repair, care and disposal of the airbags
Parts of the a irbag system a re installed at many different p laces on
your Audi. Inst all in g, remov ing, servic ing or repa iring a part in an
area of the ve hicle can damage a part of an airbag system and preve nt
t ha t system from working pro perl y in a coll is ion.
T here are some important thi ngs you have to know to make sure that
the effectiveness of the system will not be impa ired an d that
discarded components do no t cause injury or poll ute the enviro n
ment .
& WARNING
Improper care , servicing and repair procedures can increase the
risk of personal injury and death by preventing an airbag from
deploying when needed or deploying an airbag unexpectedly:
• Never cover, obstruct , or change the steering wheel horn pad or
airbag cover or the instrument panel or modify them in any way.
• Never attach any objects such as cupholders or telephone
mountings to the surfaces covering the airbag unit s.
• For cleaning the horn pad or instrument panel, use only a soft,
dry cloth or one moistened with plain water. Solvent s or cleaners
could damage the airbag cover or change the stiffness or strength
of the material so that the airbag cannot deploy and protect prop·
erly .
• Never repair, adjust, or change any part s of the airbag system .
• All work on the steering wheel, instrument panel , front seats
or electrical sy stem (including the installation of audio equip·
ment , cellular telephones and CB radios, etc .) must be performed
by a qualified technician who ha s the training and special equip ·
ment necessary .
• For any work on the airbag system, we strongly re commend
that you see your autho rized Audi dealer or qualified workshop.
• Never modify the front bumper or parts of the vehicle body.
liJ,,
Page 217 of 364

_____________________________________________ A ~i..:_r ,::b :=:a ~g !...:: s'.:!y '..:s~ t~ e ~ m~ --
& WARNING (co ntinued )
• Always make sure that the side airbag can inflate without
interference:
-Never install se at covers or replacement upholstery over the
front seatbacks that have not been specifically approved by
Audi .
- Never use additional seat cushions that cover the areas
where the side airbags inflate .
- Damage to the original seat covers or to the seam in the area
of the side airbag module must always be repaired immedi
ately by an authorized Audi dealer.
• The airbag sy stem can be activated only once. After an airbag
has inflated, it must be replaced by an authorized Audi dealer or
qualified technician who has the technical information , training
and special equipment necessary.
• The airbag sy st e m can be deployed only onc e. After an airbag
has been deployed, it must be replaced w ith new replacement
parts de signed and approved es pecially for your Audi model
version . Replacement of complete airbag systems or airbag
components must be performed by qualified workshops only.
Make sure that any airbag service action is entered in your Audi
Warranty
& Maintenance booklet under AIRBAG REPLACEMENT
RECORD.
• In accidents when an airbag is deployed, the vehicle battery
separates the alternator and the starter from the vehicle electrical
system for safety reason s with a pyrotechnic circuit interrupter.
- Work on the pyrotechnic circu it interrupter must only be
performed by a qualified dealer -risk of an a ccident!
- If the vehicle or the circu it interrupter is scrapped, all appli
cable safety precautions must be followed .
Controls and equip ment Safety first Vehicle operation
'£' For the sake of the environment
U
ndeployed airbag modules and pretens io ners mig ht be classified as
Perch lorate Material -special handling may app ly, see
www.d ts c. ca.gov/ha za rdouswaste/pe rchlorate . W he n t he vehicle or
parts of the restraint system includi ng a irbag modules safety belts
w ith pretens io ners are s crappe d, all ap plic abl e laws and reg ulat ion s
must be observed. Your author ized Aud i dealer is familiar with these
req uir ements and we recommen d that yo u have yo ur dea le r pe rform
this service for you .•
Other things that can affect Advanced
Airbag performance
Chang ing the ve hicle's suspension system can change the way that
t he Adv anced Airbag System pe rforms in a crash . For example, using
tire-r im combinations not approved by Aud i, lower ing the veh icle,
c hang ing the st iffness o f the suspe nsio n, incl uding the s prings,
s u spension str uts, shoc k absorbe rs etc. can change the forces that
are meas ured by the airb ag sensors and sen t to the ele ctron ic con trol
uni t. Some suspension changes ca n, for examp le, increase the force
levels measu red by t he sensors and ma ke the airbag system dep loy in
crashes in which it wou ld not deploy if the changes had not bee n
made . Other kin ds of changes may re duce the force levels meas ured
by the senso rs and p revent the airbag from dep loyi ng when it should .
The sensors in the safety belt buckle for the d river and front
p assenger se at tell the e le ct ro nic co ntro l mo dule if the sa fe ty belt is
latc hed or not . If the safety be lt is be ing used, the fron t airbag w ill
dep loy at a s ligh tly hig her ra te o f ve hicl e decelerat io n t han if the
safety belt is not be ing used. T he refo re, in a part icular collis io n, it is
poss ible that an a irbag wi ll not deploy at a seating posit ion where the
safety belt is being used but wi ll inflate at the posi tion whe re the
safety belt is not bei ng used. It is important that not hing interfere
w ith the s afe ty be lt bu ckles so t hat th e sensor s can sen d the correct
information about safety belt use to the electronic contro l unit. ..
Vehicle care Do-it-yourself service Technical data
Page 218 of 364

Ill Airbag system
---=---=----------------
& WARNING
Changing th e vehicle 's su sp en sion including use of unappro ved
tire -rim c ombination s can change Advan ced Airbag performan ce
and increas e the risk of serious personal injury in a cra sh .
• Never install suspension component s that do not have the
same performance characteristics as the components or iginally
installed on your veh icle.
• Never u se tir e-rim combinations that have not been approved
b y Audi.
& WARNING
Item s stored b etween the safety belt buckl e and the center
console can cause the sensors in the buckle to send the wrong
information to the ele ctroni c control module and prevent the
Advanced Airbag System from w orking properl y.
• Always make sure that nothing can interfere with the safety
belt buckles and that they a re not obstru cted .
<£> For the sake of the environment
Undeployed airbag modu les and pretensioners might be class ified as
Perch lorate Mate rial -special handling may app ly, see
www.dtsc.ca.gov/hazardouswaste/pe rchlorate . When the vehicle or
p arts of t he rest raint sys tem including a irbag mod ules safe ty belts
w ith pretens ioners are scrapped, all applicable laws and regulat ions
must be observed. Your authorized Audi dealer is familiar with these
requ irements and we recommend that you have your dealer perform
this se rvice for yo u.•
Knee airbags
Applies to veh icles: w it h Knee a irbags
Description of knee airbags
The airbag system can provide supplemental protection
to properly restrained front seat occupants.
....
! 00 m
Fig. 201 D riv er's kn ee
a ir ba g
The knee airbag for the driver is located in the instrume nt panel
unde rneath the steering whee l:::> fig. 201, the knee airbag for the
passenge r is at about the same he ight in the instrument panel under
neath the g love compartment .
Th e knee airbag offers addit ional protec tion to the dr ive r's and
passenger's knees and upper and lower thigh areas as a supplement
t o the sa fety bel ts.
If the front a irbags dep loy, the knee airbags a lso deploy i n frontal
co llisions above a certain severity=>
page 209, "More importan t
things to know about front airbags" .
Besides the ir normal safety function, safety be lts work to help keep
t he drive r o r front passenger in po sit ion in c ase o f a frontal collision
so that the a irbags can provide protection .
Th e airbag system is not a substitute for your safety belt . Rather, it is
part of the overall occ upant restra int system in your veh icle . Always
remember t hat the airbag system can on ly help to protect you if you
~
Page 219 of 364

are wearing your safety belt and wear ing it properly . This is why you
should always wear your safety belt, not just because the law requires
you to do so::::>
page 190, "General notes".
The safety belt buckle for the driver and front seat passenger have
switches that tell the airbag control module if the safety belt is being
used or not. If the safety belt is being used, the knee airbag will
dep loy at a slightly higher rate of deceleration than if the belt is not
being used. Therefore, in a particular collision, it is poss ible that an
airbag will not deploy at a seating position where the safety belt is
being used but will inflate at the position whe re the safety be lt is not
being used.
Remember too, airbags w ill deploy only once and only in certa in kinds
of accidents -your safety belts are always there to offer protection in
t hose accidents in which airbags are not supposed to deploy or when
they have already deployed, for example when your vehicle strikes or
is struck by another after the first collision.
This is just one of the reasons why an airbag is not a substitute for the
safety belt. The airbag system wo rks most effective ly when used with
the safety belts. Therefore, always wear your safety belts correctly .
It is important to remember that while the supplemental airbag
system is desig ned to reduce the likelihood of serious injuries, other
injuries, for example, swe lling, bruis ing, and minor abrasions can
also be associated with airbags.
The knee airbag system basically consists of:
• Th e electronic control module
• T wo inflatable airbags (airbag and gas generator), 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 turned off
• in front-end collis ions when the decelerat ion measured by the
control unit is too low
• in s ide collisions
Safety first Vehicle OP-eration
Airbag system
• in rear-end collisions
• in rollovers
• in the event of a system ma lfunction (warning/indicator light illu
minated)
=> page 14 .
& WARNING
• Safety belts and the airbag system can only provide protection
when occupants are in the proper seating position =>
page 209.
• If the airbag indicator light comes when the vehicle is being
used, have the system inspected immediately by your authorized
Audi dealer. The airbag may not work properly when the vehicle
acceleration in a side collision is high enough to deploy the airbag.
See also =>
page 14. •
A pp lies to vehi cles: w ith K nee airb ags
How knee airbags work
The risk of injury to the leg area is reduced by fully
deployed knee airbags.
Fig . 202 Inflated
airbags protecting
in a
frontal collision
The knee air bag system has been designed so that the airbags for the
dr iver and front passenger are deployed in certa in but not all frontal
co llisions .
ti-
Vehicle care Do-it-yourselt service iTechnical data
Page 220 of 364

........ _A_ ir_ b_ a-=g ,__ s,,.,y _s _t _e_ m _______________________________________________ _
If the front airbags deploy, the knee airbags also deploy in frontal
collisions above a certain severity.
When the system is deployed, the a irbags start to fill with a prope l
lant 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 =>
page 209, fig. 199.
Altho ugh 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
extremities.
All this takes place instantaneously, so fast that many people don't
even realize that the airbags have deployed. The airbags also inflate
w ith a great deal of force and it is important fo r occupant safety that
nothing should be in their way when they deploy.
Fully inflated airbags in combination with properly worn safety belts
slow down and limit the occupant's forward movement and help to
red uce the risk.•
Applies to ve hicle s: wit h Knee ai rbag s
Important safety instructions on the knee
airbag system
Airbags are only supplemental restraints. Always wear
safety belts correctly and ride in a proper seating posi
tion.
Th ere is a lot that yo u and your passengers must know and do to help
the safety belts and a irbags to prov ide supp lemental protection.
& WARNING
An inflating knee airbag can cause serious injury. Wearing safety
belts incorrectly and improper seating positions increase the risk
of serious personal injury and death whenever a vehicle is being
used.
& WARNING (continued)
• The airbag system cannot protect you properly if you are seated
too close to any of the airbag locations. When adjusting their seat
positions, it is important that both the driver and the front
passenger keep their upper bodies and knees at the following
minimum safe distances:
- 10 inches (25 cm) between the chest and the steering
wheel/instrument panel.
- 4 inches (10 cm) between the knees and the lower part of
the instrument panel.
• The risk of personal injury increases if you lean forward or to
the side, or if the seat is improperly positioned and you are not
wearing your safety belt. The risk increases even more should the
airbag deploy.
• Always make sure that the knee airbag can inflate without
interference. Objects between yourself and the airbag can increase
the risk of injury in an accident by interfering with the way the
airbag deploys or by being pushed into you as the airbag deploys.
- No persons (children) or animals should ride in the footwell
in front of the passenger seat. If the airbag deploys, this can
result in serious or fatal injuries.
- No objects of any kind should be carried in the footwell area
in front of the driver's or passenger's seat. Bulky objects (shop
ping bags, for example) can hamper or prevent proper deploy
ment of the airbag. Small objects can be thrown through the
vehicle if the airbag deploys and injure you or your passengers.
• Make sure there are no cracks, deep scratches or other damage
in the area of the instrument panel where the knee airbags are
located.
• If children are incorrectly seated, their risk of injury increases
in the case of an accident =>
page 222, "Child Safety". •