2015 AUDI A6 airbag

156 Airbag sys te m
or the lower parts of the body. Front airbags
supp lement the three-point safety belts only
in some frontal collisions in which the vehicle
dece leration is high enough to deploy the air­
bags.
F ront airbag s will not d eplo y:
-if the ignition is switched off when a crash
occurs,
- in side collisions,
- in rear-end collisions,
- in ro llovers,
- when the crash deceleration measured by
the a irbag system is less than the minimum
t h reshold needed for airbag deployment as
registered by the electron ic control uni t.
The f ront pas senger airbag also will not
deploy:
- when the front passenger seat is not occu­
pied,
- when the electrical capac itance measured by
the capacitive passenger detect io n sys tem
for the front passenger seat indicates that
the passenger side fronta l airbag must be
switched off by the e lectronic control unit
(the
PA SSENGER AIR BA G OFF light
c> page 158 and how they work comes on
and stays on).
A WARNING
Sitting in the wrong position can increase
the risk of serious injury in crashes.
- To reduce the r isk of injury when the air­
bags inflate, the driver and passengers
must always sit in an upright position,
must not lean against or place any part
of the ir body too close to the area where
the a irbags are located.
- Occupants who a re unbelted, out of posi­
t ion or too close to the airbag can be se­
riously injured by an airbag as it un folds
with great force in the blin k of an eye
i=>page
147.
A WARNING
A child in a rearward-facing child seat in­
stalled on the front passenger seat will be
-
seriously injured and can be killed if the
front airbag inflates -even w ith an Ad­
vanced Airbag System.
- The inflating airbag will h it the ch ild seat
or infant carrier with great force and will
smash the child seat and child against
the backrest, center armrest, door or
roof.
- Always install rear-fac ing ch ild seats on
the rear seat .
- If you must install a rearward fac ing
child seat on the front passenger seat because of exceptional circumstances
and the
PASSENGER AIR BAG OFF light
does not come on and stay on, immed i­
ately insta ll the rear-facing child seat in a
rea r seat ing pos ition and have the airbag
system inspected by yo ur Audi dealer.
A WARNING
c'-----
Objects between you and the airbag will
increase the r isk of injury in a crash by in­
terfering with the way the airbag unfolds
or by be ing p ushed into you as the airbag
inflates.
- Never hold things in yo ur hands or on
your lap when the veh icle is in use.
-
- Never transport items on or in the area
of the front passenger seat. Objects
could move into the area of the front air­ bags during braking or other sudden ma­
neuvers and become dangero us projec­
tiles that can cause ser ious perso nal in­
jury if the a irbags inflate.
- Never p lace or attach accesso ries o r oth­
er objects (such as cup holders, te le­
p hone bra ckets, large, heavy or bulky ob­
jects) on the doors, over o r near the area
marked "AIRBAG" on the steering whee l,
instr ument panel, seat bac krests o r be­
tween those areas and yourself. These
objects could ca use in jury in a crash, es­
pecially when the airbags inflate.
- Never recline the front passenger 's seat
to transport objects. Items can a lso
move into the a rea of the s ide airbag or
the front airbag during braking or in a

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sudden maneuver. Objects near the
airbags can become projectiles and cause
injury, particularly when the seat is re­
cl ined .
- Never place or transport objects on the
front passenger seat. Objects on the
front passenger seat could cause the ca­
pacitive senso r in the seat to s ignal to
airbag system that the seat is occupied
by a pe rson whe n it in fact is not, o r that
the person on the sea t is heavier than he
o r she actually is. The change in electric
capacitance beca use of such objects can
cause the passenger front airbag to be
turned on when it sho uld be off, or can
cause the airbag to work in a way that is
different from the way it wou ld have
worked w ithout objects on the seat.
- Always make sure that there is nothing
on the front passenger seat that will
cause the capacitive passenge r detection
system in the seat to s ignal to the A irbag
System that t he seat is occupied by a
pers on when it is not, or to sign al t hat it
is occupied by someone who is heavier
than the pe rson actually sitting on the
seat . The presence of an object co uld
cause the passenger front a irbag to be
turned on when it sho uld be off, or co uld
cause the airbag to work in a way that is
different from the way it wou ld have
wor ked w ithout the object on the sea t.
A WARNING
The fine dust created when a irbags dep loy
c an cause b reathing problems for peop le
w ith a his to ry o f asthma o r other brea th­
ing condi tio ns .
- T o reduce the r is k of b rea thing prob lems,
those w it h a sthma or o ther resp iratory
c ondit ions should ge t fresh a ir right
away by getting out of the vehicle o r
opening windows or doo rs .
- If you are in a coll is ion in which a irbags
deploy, wash yo ur hands and face with
mild soap and water befo re eating.
A irbag system 157
-Be ca reful not to get the d ust into your
eyes, or into any c uts o r scratches.
- If the resi due s hou ld get into your eyes,
f lush them w ith water.
Monitoring the
Advanced Airbag
System
tli Airbag monitoring indicator light
Two seporate indicators monitor the function
of the Advanced Airbag System: the airbag
monitoring indicator light and the
PASSEN ­
GER AIR BAG OFF
light.
The Advanced Ai rbag System as well as t he
s ide airbags and side curta in a irbags w ith
eject ion mit igat ion features (includi ng the
electron ic co ntrol unit, se nsors and system
wiring) are all mon itored continuously to
make su re that they are function ing p roper ly
whe never the ignition is on . E ve ry time you
tu rn o n the ignition, the airbag sys tem indica­
tor lig ht
II will c ome on fo r a few seconds
(funct ion check) .
The system must be inspected when the
indicator light
II:
- does not come on when the igni tion is
switched on,
- does not go out a few seconds after you
have switched on the ignit ion, or
- come s on while driv ing.
If an airbag system malfunction is detected,
the indicator lig ht w ill first sta rt flash ing to
catch the d rive r's atte ntio n and the n stay on
continuously to serve as a constant rem inder
t o have the sys tem inspected immedi ate ly.
If a ma lfu nction occurs that turns the front
airbag on the passenger s ide off, the
PASSEN­
GER AIR BAG OFF
light will come on and st ay
o n wheneve r the igni tion is on.
•
•

158 Airbag system
& WARNING
An airbag system that is not funct ioning
properly cannot provide supplemental pro­
tect ion in a frontal crash.
- If the airbag indicator light
c:> page 19
comes when the vehicle is be ing used,
hav e the system inspected immed iate ly
by you r aut ho rized Aud i dea le r.
It is pos­
sible that t he a irbag will inf late when it
i s n ot s upposed to, or w ill not in flate
when it sho uld .
PASSENGER AIR BAG OFF light
Fig . 160 Section from th e in strument panel: PASSEN ­
GER AIR BAG OFF ligh t
The PASSENGER AIR BAG OFF light is located
i n the center of the instrument panel
c> fig.160 .
The PASSENGER AIR BAG OFF light will come
on and stay on to tell you when the front Ad­
vanced A irbag on t he passenger side has been
turned off by the e lectronic control unit. If the
bulb for the
PASSENGER AIR BAG OFF light
bu rns out, the a irbag ind icator light
II w ill
come on to s ignal a malfunction in the Ad­
vanced A irbag System . Although the burned­
ou t bu lb will no t change the way the front
passenger's frontal ai rbag wor ks, it w ill no
l onger be possib le to use the
PASSENGER AIR
BAG OFF
light to make sure tha t the airbag
on/off stat us is correct for the occupant on
the front passenger seat. Have the airbag sys­
tem inspected immed iate ly by your author­
ized A udi dealer.
The PASSENGER AIR BAG OFF light will blink
for about S se conds when:
- the ignition is switched on and
- t he capa citi ve passenger detection system,
which switc hes the front sea t passenger's
frontal Advanced Airbag on and off, detects a change in the status of the front passen­
ger seat.
As soon as the
PASSENGER AIR BAG OFF
li ght stops b linking, a lways make sure that
the a irbag status (on or off) as shown by the
PASSENGER AIR BAG OF F light is proper for
the age, size and e lectrical capacitance of the
person occupy ing the front passenger seat.
Always make sure that the safety belt for the
front passenger seat is prope rly fastened .
The PASSENGER AIR BAG OFF l ight will
show the status of the front seat passenger 's
frontal Advanced Airbag a few s econds after
th e ignition i s switched on and the airbag in­
dicator light goes off. The PASSENGER AIR
BAG OFF light :
- will stay on if the front passenger seat is not
occupied;
- will stay on if the electr ical capacitance
meas ured by the capacitive passenger de­
tect ion system for th e front passenger s eat
equa ls the combined capacitance of a n in­
fa nt up to abou t one ye ar of age and one o f
the rearward -facing or forw ard-f acin g ch ild
restraints listed i n Fede ral Motor Vehicle
Safety Standard 208 with which the Ad­
vanced Airbag System in your vehicle was
cert ified; For a listing of the child restraints
that were used to certify your vehicle's com­
pliance w ith the U.S . Safety Standard
c>page 173.
-will go out if the fro nt passenger seat is oc­
cupied by an adult as registered by the ca ­
pacitive passenge r detection system .
- The
PASSENGER AIR BAG OFF light must
come on and stay on if the ignition is on
and . ..
- a car bed has been installed on the front
passe nger seat, or
- a rearward -facing child restraint has been
installed on the front passenger seat, or
- a forward-fac ing ch ild restra int has been in-
stalled on the front passenger seat, ..,_

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-and if the e lectr ica l capacitance registered
on the front passenger seat is equal to or l ess than the combined capacitance of a typ­
ical 1 year-old infant and one of the rear­
ward-facing or forward-facing child re­
stra ints listed in Federal Motor Veh icle Safe ­
ty Standard 208 w ith which the Advanced
Airbag System in your vehicle was certified.
If the front passenger seat is not occupied,
the front airbag will not deploy, and the
PA S­
SENGER AIR B AG OFF
light w ill stay on . Nev­
er insta ll a rearward-fac ing ch ild restra int on
the front passenger seat, the safest place for
a child in any kind of child restraint is at one
of the seating positions on the rear seat
¢ page 147, Child restraints on the front seat
- some important things to know
and
¢ page 171, Child Safety.
If the PASSENGER AIR BAG light com es
on ...
If the PASSENGER AIR BAG OFF light comes
on when one of the conditions listed above is met, be sure to check the light regularly to
make certa in that the
PA SSENGER AIR BAG
OFF
light stays on cont inuously whenever the
i gnit io n is on . If the
PASSENGER AIR B AG
OFF
light does not appear on and does not
stay on all the time, stop as soon as it is safe
to do so and
- react ivate the system by turning the ignition
off for more than 4 seconds and then turn­
i ng it on again;
- remove and reinstall the child restraint .
Make su re that the child rest raint is prope rly
installed and that the safety be lt fo r the
fron t passenger seat has been corre ct ly
ro uted through the child restraint as descri­
bed in the chi ld restraint man ufacturer's in­
structions;
- make sure that the convertible locking re­
tractor on the safety belt for the front pas­
senger seat has been act ivated and that the
safety belt has been pulled tight.
- make sure that no electrica l device (such as
a laptop, CD player, electronic games device,
power inver ter or seat heater for child seats)
is p laced or used on the front passenger
A irbag system 159
seat if the device is connected to the 1 2-volt
socket or the cigarette lighter socket;
- make sure that no seat heater has been ret­
rofitted o r otherwise added to the front pas­
senger seat;
- make s ure that nothing can interfere with
the safety belt buck les and that they are not
obstructed ;
- make sure that there are no wet objects
(s uch as a wet towe l) and no water or other
liquids on the front passenger seat cushion .
If the PASSENGER AIR BAG light still
doe s not c ome on ...
If the PASSENGER AIR BAG OFF light still
does not come on and does not stay on con­
tinuously (when the ignition is switched on),
- take the child rest raint off the front passen -
ger seat and install it proper ly at o ne of the
rear seat positions. Have the airbag system
inspected by your Audi dealer immed iate ly.
- move the child to a rear seat position and
make sure that the child is properly restra in­
ed in a ch ild restra int that is appropriate for
its size and age.
Th e PASSENGER AIR BAG light should
NOT come on ...
The PASSENGER AIR BAG OFF light should
NOT come on when the ignit io n is on and an
adult is s itting in a proper seating position on
the front passenge r seat . If the
PASSENGER
AIR BAG OFF
light comes on and stays on o r
flashes fo r about S seconds wh ile d riving, un­
der these circumstances, make sure that:
- the adult on the front passenger seat is
prope rly seated on the cente r of the seat
cushion with his o r her back up aga inst the
backrest and the backrest is no t recli ned,
- the adult i s not tak ing weight off the seat by
holding on to the passenger assist handle
above the fron t passenger door or s upport ­
ing their weight on the armrest,
- the sa fe ty belt is bei ng properly wo rn and
tha t the re is not a lot o f slack in the safety
be lt webbing,
- there are no aftermar ket seat covers or
cushions or other things (s uch as blankets)
IJI>
•
•

160 Airbag sys te m
on the front passenger seat that might
cause the capacitive passenger detection
system to miscalcu late electrical capac i­
tance.
Important safety instructions on
monitoring the Advanced Airbag System
_&. WARNING
- If the status of the Adv a need Airbag Sys­
tem has changed while the vehicle is
moving, the
PA SSE NGER AIR BAG O FF
light blinks for about 5 seconds to catch
the driver's attent ion. If this happens, al­
ways stop as soon as it is safe to do so
and check the steps described above.
- If the
PA SSE NGER AIR BAG OFF light
does not go off when an adult who is not
very small is sitting on the front passen­ ger seat after taking the steps descr ibed
above, make sure the adult is properly
seated and restrained at one of the rear
seating positions. Have the a irbag sys­
tem inspected by your authorized Audi dealer before transporting anyone on the
front passenger seat.
_&. WARNING
An airbag system that is not funct ioning
properly cannot provide supplemental pro­
tect ion in a frontal crash .
- If the airbag indicator light
c:> page 19
comes when the vehicle is be ing used,
have the system inspected immediate ly
by you r autho rized Aud i dea le r.
It is pos­
sible that the airbag will inflate when it
is not s upposed to, or w ill not inflate
when it should.
_&. WARNING
If the front air bag infla tes, a ch ild witho ut
a child restra int, or in a rearward -fac ing
child safety seat, o r in a forward-facing
child restraint that has not been properly
installed will be serious ly injured and can
be killed. -
Even tho ugh you r vehicle is equipped
with an Advanced A irbag System, make
certain that all children, especially 12
years and younger, always ride on the
back seat p roperly restrained for their
age and size .
- Always install forward o r rear-facing
child seats on the rear seat -even with
an Advanced A irbag System.
- If you must install a rearwa rd-facing
child seat on the front passenger seat
because of ex ceptional circumstan ces
and the
PASSENGER AIR BAG OFF light
does not appear and s tay on, immediate­
ly install the rear -facing child seat in a
rea r seating position and have the airbag
system inspected by you r Audi dealer.
- If, in exceptiona l circumstances, you
m ust install a forward-facing child re­
straint on the front passenger seat, al­
ways move the seat into its rearmost po­ sition in the seat's fore and aft adjust­
ment range, as far away from the a irbag
as poss ible. The backrest must be adjust­
ed to an upright pos ition. Make su re that
the
PASSENGER AIR BAG OFF light
comes on and stays on all the time when ­
eve r the ignit ion is swit ched on.
_&. WARNING
=
- If the PASSENGER AIR BAG OFF light
does not go out when an ad ult is sitting
on the front passenger seat after taking
the steps described above, make sure the
adu lt is properly seated and restra ined at
one of the rea r seat ing pos itions.
- Have the airbag system inspected by
your Aud i dea ler before t ransporting
anyone on the front passenger seat.
(D Tips
If the capac itive passenger detection sys­
tem determ ines that the front passenger
seat is empty, the fronta l airbag on the
passenger side will be turned off, and the
PASSENGER AIR BAG OFF l ight will stay
on.

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Repair, care and disposal of the airbags
Parts of the airbag system are installed at
many different places on your Audi. Installing,
removing, servicing or repairing a part in an
area of the vehicle can damage a part of an
airbag system and prevent that system from
working properly in a collision.
There are some important things you have to know to make sure that the effectiveness of
the system will not be impaired and that dis­
carded components do not cause injury or pol­ lute the environment.
A WARNING
Improper care, servicing and repair proce­
dures can increase the risk of personal in­
jury 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 cup
holders or telephone mountings to the
surfaces covering the airbag units.
- For cleaning the horn pad or instrument
panel, use only a soft, dry cloth or one
moistened with plain water. Solvents or
cleaners could damage the airbag cover
or change the stiffness or strength of the
material so that the airbag cannot de­
ploy and protect properly.
- Never repair, adjust, or change any parts
of the airbag system.
- All work on the steering wheel, instru­
ment panel, front seats or electrical sys­
tem (including the installation of audio
equipment, cellular telephones and CB
radios, etc.) must be performed by a
qualified technician who has the training
and special equipment necessary.
- For any work on the airbag system, we
strongly recommend that you see your
authorized Audi dealer or qualified work­
shop.
Airbag system 161
-Never modify the front bumper or parts
of the vehicle body.
- Always make sure that the side airbag
can inflate without interference:
- Never install seat covers or replace­
ment upholstery over the front seat­
backs 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 air­
bag module must always be repaired
immediately by an authorized Audi
dealer.
- The airbag system can deploy only once. After an airbag has been deployed, it must be replaced with new replacement
parts designed and approved especially
for your Audi model version. Replace­
ment of complete airbag systems or air­
bag components must be performed by
qualified workshops only . Make sure that
any airbag service action is entered in
your Audi Warranty
& Maintenance book­
let under
AIRBAG REPLACEMENT RE­
CORD.
- For safety reasons in severe accidents,
the alternator and starter are separated
from the vehicle battery with a pyrotech­
nic circuit interrupter.
- Work on the pyrotechnic circuit inter­
rupter must only be performed by a
qualified technicians who have the ex­
perience, information and special tools
necessary to perform the work safely.
- If the vehicle or the circuit interrupter
is scrapped, all applicable safety pre­
cautions must be followed.
@) For the sake of the environment
Undeployed airbag modules and preten­
sioners might be classified as Perchlorate
Material - special handling may apply, see
•
•

162 Airbag system
www .dtsc.ca.gov/hazardouswaste/per ­
chlorate. When the vehicle or parts of the
restraint system including airbag modules
and safety belts wit h pretens ioners are
scrapped, all applicable laws and regula­
tions must be observed. Your authorized
Aud i dea ler is familiar wit h these requ ire­
ments and we recommend that you have
your dea le r perfo rm this se rv ice for you.
Other things that can affect Advanced
Airbag performance
Changing the vehicle's suspension system can
change the way that the Advanced Airbag Sys­
tem performs in a crash. For example, using
tire-r im combinations not approved by Aud i,
lowering the vehicle, changing the stiffness of
the suspension, including the springs, suspen­
sion st ruts, shock absorbers etc. can change
the forces that are measured by the a irbag
sensors and se nt to the electron ic control
un it. Some suspension changes can, for exam­
p le, increase the force levels meas ured by the
sensors and make the airbag system deploy in
crashes in which it would not deploy if the
changes had not been made. Other kinds of
changes may reduce the force levels meas­ ured by the sensors and prevent the a irbag
from deploying when it should.
A WARNING
Changing the vehicle's suspension includ­
ing use of unapproved tire -rim combina­
tions can change Advan ced A irbag per­
formance and increase the risk of serio us
personal in jury in a crash.
- Never install suspension components
that do not have the same performance character istics as the components origi­
nally installed on your vehicle.
- Never use tire-rim combinatio ns that
have not been approved by A udi.
Knee airbags
Description of knee airbags
Applies to vehicles: with knee airbags
The knee airbag system can provide supple­
mental protection to properly restrained
front seat occupants.
F ig . 1 61 Driver's knee airbag
The driver knee airbag is in the ins trumen t
pane l underneath t he steering wheel
¢ fig. 161, the airbag for the passenger is at
about the same height in the instrument pan­
el underneat h the glove compartment.
T he knee airbag offe rs additional p rotection
to the driver 's and passenger's knees and up­
per and lower th igh areas and supplements
the protection provided by the safety belts.
If t he front airbags dep loy , the knee ai rbags
also dep loy in frontal coll isions when the de­
ployment threshold stored in the contro l unit
is met
<=> page 155, More important things to
know about front airbags.
In addition to their norma l safety function,
safety belts help keep the dr iver or front pas­
senger in position in a fronta l collision so that
the a irbags can provide supplemental protec­
t ion .
The airbag system is not a substit ute for your
safety belt. Rather, it is part of the overa ll oc­
cupant restra int system in your vehicle. Al­
ways remember that the a irbag system can
o nly help to protect you if you are weari ng
your safety belt and wea ring i t properly. This
is why you should always wear your safety
belt, not just beca use the law requi res you to
do so
r::!;>page 136, General notes . ..,.

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Remember too, airbags will deploy only once
and only in certain kinds of accidents -your
safety belts are a lways there to offer protec ­
tion in those acc idents in which airbags are
not supposed to deploy or when they have al­
ready deployed, for example when your vehi ­
cle str ikes or is struck by another afte r the
fi rst coll is ion.
This is just one of the reasons why an a irbag is
not a substitute for the safety belt . The airbag
system wo rks most effectively when used with
the safety belts . Therefore, always wear your
safety bel ts correctly .
It is important to remember that while the
supplemental knee a irbag system is des igned
to reduce the like lihood of serious injur ies,
o ther in juries, fo r example, swel ling , bruising
and minor abras io ns and frict ion bu rns c an al­
so occur when an airbag in flates.
The knee airbag system basically consists
of :
-The elec tronic control mod ule
- T wo inf latab le airbags (airbag and gas gen-
erato r), one for the driver and one for the
front passenger
- T he airbag ind icator light in the instrument
pane l
The knee airbag system will not deploy:
-when the ign ition is switc hed off
- in frontal collisions w hen the decelerat ion
measured by the control unit is too low
- in s ide collisions
- in rear-end collisions
- in ro llovers
- in the event of a system malfunct io n (wa rn -
i ng/indicator ligh t is on)
r::!>page 19.
& WARNING
- Safety belts and the airbag system can
only p rov ide protection when occ upants
are in the proper seating posit ion
c::>page 155.
-If the airbag indicator light c::> page 19
comes when the vehicle is be ing used,
have the system inspected immediately
A irba g sy stem 163
by your authorized A udi dealer. It is pos­
sib le that the airbag will inflate when it
is not supposed to , or will not inflate
when it should .
How knee airbags work
Applies to vehicles: with knee airbags
The risk of injury to the leg area can be re ­
duced by fully inflated knee airbags.
~ N 0 :..c---0
i::....---ali
Fi g. 162 In flated a irbags protect ing in a fronta l coll i·
s ion
The knee airbag system has been designed so
that the airbags for the driver and front pas­
senger deploy in certain but not all frontal
collisions.
If the front airbags dep loy, the knee airbags
also dep loy in fronta l collisions when the de­
ployment th resho ld stored in the control unit
is met.
When the system deploys, the ai rbags fill
with a propellant gas, and inflate between the l ower part of the instrument pane l and the
driver and t he lower part of the instrument
panel and the front passenger
c::> page 155,
fig . 159 .
Although they are not a soft pi llow, they can
"cushion" the impact and in t his way they can
help to reduce the risk of injury to the lower
extremit ies .
A ll of th is takes place in the blink o f an eye, so
fast that many people don't even realize that
the a irbags have deployed. The airbags a lso
i nfla te with a g reat dea l of fo rce and i t is im­
po rtant for occupant safety t hat nothing
sho uld be in their way whe n they deploy. ..,.