2016 AUDI S8 belt

The PASSENGER AIR BAG O FF light is located in
the center of the instrument panel
¢ fig. 166 .
The PASS ENGER AIR BAG OFF light will come on
and stay on to tell you when the front Advanced
Airbag on the passenger side has been turned off
by the electronic control unit . Each time you
sw itch on the ignition, the
PASSENGER AIR BAG
OF F
light will flash for a few seconds and :
- will stay on if the front passenger seat is not
occupied,
- will stay on if the re is a sma ll child or child re­
straint on the front passenger seat,
- wi ll go out if the front passenger seat is occu ­
pied by an adult as registered by the weight­
sensing mat.
The
PA SSENGER AIR BAG O FF light mu st co me
o n and st ay on
if the igni tion is on and
- a car bed has been insta lled on the front seat,
o r
- a rearward-facing child restrai nt has been in­
stalled on the front passenger seat , or
- a forward-facing child restra int has been instal ­
led on the front passenger seat, or
- the weight reg istered on the front passenger
seat is equal to or less than the combined
weight of a typical 1 year-o ld restrained in one
of the rear-facing or forward-fac ing infant re­
straints listed in Federal Motor Vehicle Safety
Standard 208 w ith which the Advanced A irbag
System in your vehicle was certified.
I f the front passenger seat is no t occupied, the
fron t air bag w ill not deploy, and the
PASSENGER
AIR BAG OFF
light will stay on . Never install a
rearward -fac ing child restraint on the front pas ­
senger seat, the safest p lace for a child in any
kind of child restraint is at one of the seating po­
sitions on the rear seat
¢page 147, Child re­
straints on the front seat -some important
things to know
and ¢ page 168, Child safety .
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 cer­
tain that the
PAS SENGER AIR BA G OFF light
stays on cont inuously whenever the ign ition is
on. If the
PASSENGER AIR BAG OFF light does
Airb ag sys tem
not appear on and does not stay on a ll the time,
stop as soon as it is safe to do so and
- react ivate the system by sw itch ing the ig nition
off and then switching it on aga in;
- remove and re insta ll the chi ld restraint. Make
sure that the chi ld restraint is properly insta l­
led and that the safety belt for the front pas­
senger seat has bee n correct ly routed through
the child restraint as desc ribed in the c hild re­
straint manufacturer's instruct ions;
- make sure that the convertible locking retrac­
tor on the safety belt for the front passenger
seat has been activated and that the safety belt has been pulled tight. The belt must not be
loose or have loops of slack so that the sensor
below the safety belt latch on the seat can do
its job
¢ page 177 .
-make sure that th ings that may increase the
weight of the child and ch ild seat are not being
transpo rted o n the front passenge r seat;
- make sure that the safety belt tens ion sensor is
not b locked . Shake the safety belt la tch on the
front passenger seatback and fo rth;
- If a strap or tether is being used to tie the child
seat to the front passenger seat, make su re
t ha t it is not so tight that it causes the weight­
sensing mat to measure more weight than is
ac tually on the seat.
If th e PASSENGER AIR BAG OFF light still doe s
not come on
and does not stay on continuously
(whe n the ignition is switched on),
- take the child restraint off the front passenger
seat and install it p roper ly at one of the rear
seat pos itions . Have the airbag system inspect­
ed by yo ur Audi dealer immed iate ly.
- move the child to a rear seat pos ition and ma ke
sure that t he chi ld is proper ly rest rained in a
child restra int that is appropr iate for its s ize
and age .
T he
PAS SENGER AIR BAG OFF light should NOT
come on when the ignit io n is on and an adu lt is
s itting in a proper seat ing pos ition on the front
passenge r seat. If the
PASSENGER AIR BAG OFF
light comes on and stays on or flashes for about
5 seconds whi le dr iv ing, under these c ircumstan-
ces, make sure that :
Ill-
157

Airbag syste m
-the adu lt on the front passenger seat is proper ­
ly seated on the center of the seat cushion with
his or her back up against the backrest and the
backrest is not reclined
c> page 130, Correc t
passenger seating positions,
- the adu lt is not taking weight off the seat by
holding on to the passenger assist handle
above the fron t passenger door or supporting
their we ight on the armrest,
- the safety bel t is being properly worn and that
there is not a lot of slack in the safety belt web­
bing,
- accessory seat covers or cushions or other
th ings that may cause an incorrect read ing or
impression on the weight-sensing mat under
the upho lstery of the seat have been removed
from the front passenge r seat,
- a safety be lt extender has not been left in the
safety belt latc h for the front passenge r seat.
In addition to the
PA SSE NGER AIR BAG OFF
light in the center of the instrument panel, the
message
PASSENGER AIR BAG OFF or PASSEN­
GER AIR BAG ON
w ill briefly appear in the inst ru­
ment cluster display . T his is to inform the driver
of the current front passenger airbag status.
Important safety instructions on
monitoring the Advanced Airbag System
A WARNING
An airbag system that is not funct ion ing prop­
er ly cannot p rovide supplemental p rotection
in a frontal crash .
- If the airbag indicato r light
r=>page 18
comes when the vehicle is be ing used, h ave
the system inspected immediate ly by yo ur
authorized Aud i dealer . It is possible that
the airbag will inflate when it is not s up­
posed to, or will not inflate when it should.
A WARNING
If the front airbag inflates, a child without a
child restraint, or in a rearward-facing child
safety seat, or in a forward-facing child re­
straint that has not been properly installed
w ill be seriously injured and can be killed .
158
-Even tho ugh your vehicle is equipped with
an Advanced A irbag System, make certain
that a ll children, espec ia lly 12 years and
younger, always ride on the back seat prop­
erly restrained for their age and s ize.
- Always install forward or rear-facing child
seats on the rear seat -even w ith an Ad­
vanced Airbag System .
- If you must install a rearward-facing child
seat o n the front passenge r seat because of
except ional circumstances and the
PASSEN­
GER AIR BAG OFF
light does not appear and
s tay on, immediate ly ins tall the re ar-fa cing
child sea t in a rear seat ing pos ition and have
the airbag system inspected by your Audi
dea ler.
- A t ight tether or other s trap on a rearward­
facing chi ld 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 is actually on the
seat . The heavier weight registered can
make the system work as thoug h an adu lt
were on the seat and deploy the Advanced
Airbag when it must be suppressed causing
serious or even f atal injury to the child .
- If, in exceptional circumstances, you must
install a forward-fa cing child res traint on
the front p assenge r seat, always move the
seat into i ts rearmost posi tion in the sea t's
fore and aft ad justment range, as far away
from the ai rbag as possible . The back rest
must be adjusted to an upr ight 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
- If the PASSENGER AIR BAG OFF light does
not go out when an adult is sitting on the
front passenger seat afte r taking the steps
described above, make s ure the adult is
p roper ly sea ted and restra ined at one o f the
rear sea ting posit ions .
- Have the ai rbag system inspec ted by your
Aud i dea le r before tr anspor ting anyone on
the front passenge r seat .

Airbag syste m
@ For the sake of the en vironment
Undep loyed airbag modu les and pretension­
ers might be classified as Perchlorate Materi­
al -special handling may apply, see
www.dtsc.ca.gov/hazardouswaste/perchlo­ rate . When the vehicle or parts of the re­
straint system including airbag modules and
safety belts w ith pretensioners are scrapped,
all applicable laws and regu lations must be
observed. Your authorized Audi dealer is fa­
m iliar with these requirements and we recom­
mend that you have your dealer perform this
service for you.
Other things that can affect Advanced
Airbag performance
Changing the vehicle's suspension system can
cha nge the way that the Advanced Airbag System
pe rforms in a crash. For example, using tire-r im
comb inat ions not approved by Audi, lower ing the
veh icle, chang ing the stiffness of the suspens ion,
including the spr ings, suspension struts, shock
absorbers etc . can change the forces that are
measured by the airbag sensors and sent to the
electronic control unit . Some suspens ion changes
can, for example, increase the force levels meas­
ured by the sensors and make the airbag system
deploy in crashes in wh ich it would not deploy if
the changes had not been made. Other ki nds of
changes may reduce the force levels measured by
the sensors and preven t the airbag from deploy­
ing when it should .
A WARNING
Changing the vehicle's suspension including
use of unapproved tire-rim combinations can
change Advanced A irbag performance and in­
crease the risk of serious personal injury in a
crash.
- Never install suspension components that do not have the same performance charac­
teristics as the components originally insta l­
led on your veh icle .
- Never use tire-rim comb inations that have
not been approved by Audi.
160
A WARNING
Items stored between the safety belt buckle
and the center console can cause the sensors in the buckle to send the wrong information
to the electronic contro l module and prevent
the Advanced A irbag System from wo rking
p roperly.
- Always make sure that noth ing can inte rfe re
w ith the safety belt buckles and that they
are not obst ructed.
Knee airbags
Description of knee airbags
The knee airbag system can provide supplemen­
tal protection to properly restrained front seat
occupants.
Fig. 167 Driver's kn ee ai rbag
The driver knee airbag is in the inst rument panel
u nderneath the s teer ing whee l
~ fig. 16 7, the
airbag fo r the passenger is at about the same
height in the instrument panel underneath the
glove compartment.
The knee airbag offers add itiona l protection to
the d river's and passenge r's knees and uppe r and
l ower thigh areas and supp lements the protec ­
tion prov ided by the safety belts .
If the front airbags deploy, the knee airbags a lso
deploy in frontal coll is ions when the deployment
th reshold stored in the control unit is met
~ page 154, More important things to know
about front airbags.
In add ition to their normal safe ty f unct ion, safe-
ty belts help keep the driver or front passenger in ..,

position in a frontal collision so that the airbags
can provide supplemental protection.
The airbag system is not a s ubst itute for yo ur
safety belt. Rather, it is part of the overa ll occu­
pant restraint system in your vehicle. Always re­
member that the airbag system can only help to
protect you if you 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 soc::,
page 138, Gener ­
al information.
Remember too, airbags will deploy only once and
only in certain k inds of accidents -your safety
be lts
a re always there to offer protection in those
accidents in which airbags are not supposed to
deploy or when they have a lready dep loyed, for
examp le when yo ur vehicle str ikes or is str uck by
anothe r afte r the f irst collis ion.
This is just one of the reasons why an airbag is
not a substitute for the safety belt. The a irbag
sys tem wo rks most effec tively when used with
the safety belts. Therefore , al ways wear your
safety bel ts cor rect ly .
It is important to remember that while the sup­
p lemental knee a irbag sys tem is designed to re­
d uce the like lihood of serious injur ies, other inju­
ries, fo r example, swell ing, b ruising and minor
abrasions and fr iction burns can also occu r when
an airbag inflates.
The kne e airbag system basically consists of:
- The electronic contro l modu le
- Two inf latab le airbags (airbag and gas genera-
tor), one for the dr ive r and one fo r the front
passenge r
- T he airbag ind icator light in the instrument
pane l
The knee airbag system will not deploy:
-when the ignition is switched off
- in frontal collisions when the deceleration
measured by the control unit is too low
- in side collisions
- in rear-end collisions
- in rollovers
Airb ag sys tem
-in the event of a system malfunction (warning/
indicator light is on)
c::, poge 18.
.&_ WARNING
-
-Safety belts and the airbag system can only
provide protect ion when occupants are in
the proper seat ing pos ition
c::,page 154.
-If the airbag indicator light c::, page 18
comes w hen the veh icle is being used, have
the system inspected immediately by your
author ized Audi dealer. It is possible that
the airbag will inflate when it is not sup­
posed to, or w ill not inflate w hen it should.
How knee airbags work
The risk of injury to the leg area can be reduced
by fully inflated knee airbags .
Fig . 1 68 Inflated a irbags pro tecting in a frontal co llision
T he knee air bag system has been designed so
that the airbags for the driver and front passen­
ger dep loy in certain but not all fronta l co llisions.
If the front airbags deploy, the knee a irbags a lso
deploy in frontal coll is ions when the deployment
t h reshold stored in the control unit is met .
When the system deploys, the a irbags fi ll w ith a
prope llant gas, and infla te between the lower
part of the instrument panel and t he driver and
the lower part of the instrument panel and the
f ront passenger
c::, page 154, fig. 165 .
Although they are not a soft pillow, they can
"cushion" the impact an d in this way they can
help to red uce the risk of inj ury to the lower ex­
tremities.
All o f th is takes place in the blink of an eye, so
f ast that many peop le don't even realize that the .,..
161

Airbag syste m
airbags have dep loyed . The airbags also inflate
with a great deal of force and it is important for
occupant safety that noth ing shou ld be in their
way when they deploy.
F u lly inflated airbags in combination with proper ­
ly worn safety belts slow down and limit the oc­
cupant's forward movement and he lp to reduce
the risk of injury.
Important safety instructions on the knee
airbag system
Airbags ore only supplemental restraints. Always
wear safety belts correctly and ride in a proper
seating position .
There is a lot that you and your passengers must
know and do to help the safety belts and airbags
to provide supplemental protection .
A WARNING
An inflating knee airbag can cause ser ious in­
jury. Wea ring safety belts incor rect ly and im­
proper seating pos it ions increase the r isk of
ser ious persona l injury and dea th whenever a
vehicle is being used.
- T he knee airbag system cannot protec t you
properly if you are seated too close to any o f
the airbag locatio ns. When adjusting their
seat positions, it is important that both the
dr iver and the front passenger keep their
upper bod ies and knees at the following
minimum safe distances:
- at least 10 inches (25 cm) between the
chest and the s teer ing whee l/instrumen t
panel.
- at least 4 inches (10 cm) between the
knees and the lower part of the i nstru­
ment panel.
- The r isk of persona l injury inc reases if you
lean forward or to the s ide, or if the seat is
imp roperly positioned and yo u are not wear­
ing yo ur safety belt. The risk increases even
more should the a irbag deploy.
- Always make sure that the knee airbag can
inflate without interference. Objects be­
tween you and the airbag can increase the risk of injury in an accident by interfering
162
w it h the way the airbag deploys or by being
pushed into yo u as the a irbag deploys.
- Neve r let anybody, especia lly childre n or
anima ls ride in the footwell in front of the
passenger seat.
If the airbag de ploys, this
can result in serious or fa tal in juries.
- Never ca rry objects of any kind in the foot­
well a rea in front of the driver's or pas­
senger's seat . Bul ky objects (shopp ing
bags, for example) can interfere with or
prevent proper dep loyment of the airbag .
Small objects can be thrown through the
vehicle if the airbag deploys a nd injure you
or your passengers.
- Make sure there are no cracks, deep scratch­
es or other damage in the area of the instru­
ment panel where the knee airbags are lo­
cated .
- If ch ildren are i ncorrectly seated, their risk
of injury increases in a col lision
c::> page 168, Child safety .
Side airbags
Description of side airbags
The airbag system con provide supplemental
protection to properly restrained occupants .
Fig. 169 S id e airbag location in the driver's seat
The side airbags are located in the s ides of the
front seat backrests<=>
fig. 169 and the rear back­
rest facing the doors . They are identified by the
word "AIRBAG" .
The side airbag sy stem bas ically consi st s of:
- the electronic control module and external side
impact sensors

-the two side airbags located in the sides of the
front backrests
- two rear side airbags
- the a irbag warning light in the inst rument clus-
te r.
The airbag system is monitored electronically to make certain that it is functioning properly at all
times. Each time you sw itch on the ign it ion, the
a ir bag sys tem indicator light will come on for a
few seconds (self diagnostics).
The s ide a irbag system supp lements the safety
be lts and can he lp to reduce the risk of injury to
the dr iver's, front and rear p assenger's upper to r­
so on the side of the vehicle that is struck in a
side col lision . The airbag dep loys only in side im­
pacts and on ly when the vehicle acceleration reg­
istered by the control un it is h igh enough. If this
rate is below the reference value programmed in­
to the control un it, the s ide curta in a irbag w ill
not be triggered, even though the car may be
badly damaged as a result of the collision.
It is
n ot possib le to define an airbag triggering range
that will cover eve ry poss ible angle of impa ct,
since the c ircums tances will vary considerab ly be­
tween one collision and a nother. Impo rtant fac­
tors incl ude, fo r example, the nature (hard or
soft) of the impacting object, the ang le of im­
pact, vehicle speed, etc .
c> page 164, Important
safety instructions on the side airbag system.
Aside from their normal safety function, safety
be lts work to he lp keep the driver or front pas­
senger in position in the event of a side collision
so that the s ide a irbags can provide protection.
The airbag system is
not a substitute for your
safety belt. Rather, it is part of the overa ll occu ­
pant restraint system in your veh icle. Always re­
member that the s ide airbag system can only
help to protect you if you are wearing your safety
belt and wea ring it properly . This is another rea­
son why you shou ld always wear your safety
be lts, not just because the law requ ires yo u to do
so
c> page 138, General information.
It is important to remember that wh ile the sup­
p lemental side a irbag system is designed to re­
duce the likeli hood of serious injur ies, other inju­
ries, fo r example, swell ing, b ruising, and m inor
Airb ag sys tem
abras ions can also be assoc iated wit h deployed
side airbags . Remember too, side airbags will de­
ploy only once and only in ce rtain k inds of acci­
dents - yo ur safety belts are always there to offer
protect ion.
Vehicle damage, repair costs or even the lack of
vehicle damage are not necessar ily an ind ication
of over-sens it ive or fa iled a irbag activation. In
some collisions, both front and side airbags may
i nflate . Remember too, that a irbags w il l deploy
only once and only i n certai n kinds of collisions -
you r safety belts are always there to offer protec­
t io n in those accide nts in wh ich airbags are no t
s u pposed to deploy o r when they h ave al re ady
deployed.
The side airbag system will not deploy:
- when t he ignit io n is switched off
- in side co llisions whe n the acceleration meas-
ured by the sensor is too low
- in front-end collis ions
- in rear -end co llisions
- in rollovers.
In some types of accidents t he front a irbags, s ide
c urt ain airbags and side airbags may be triggered
togethe r.
.&, WARNING ~
- Safety belts and the airbag system will only
provide protect ion when occupants are in
the proper seat ing pos ition
c> page 164.
- If the ai rbag ind icator light c> page 18
comes when the veh icle is being used, have
the system inspected immediately by your
author ized Audi dealer. It is possib le that
the airbag will inflate when it is not sup­
posed to, or w ill not inflate w hen it should.
163

Airbag syste m
How supplemental side airbags work
Side airbags deploy instantly and can help re­
duce the risk of upper torso injuries for occu­
pants who are properly restrained .
Fig . 1 70 In fla ted side airbags o n lef t s ide of vehicle , rear
side a irbag
When the system is triggered, the a irbag is filled
with propellant gas and breaks through a seam in
the seat surface area ma rked "AIRBAG". It ex ­
pands between the side trim pane l and the pas­
senger. In order to help provide th is additiona l
protection, the side ai rbag must inflate within a
fraction of a second at very h igh speed and with
great force . The supplementa l side airbag could
injure you if your seating position is not proper or
upright or if items are located in the area where
the supplemental side airbag expands . This ap ­
plies especially to children
~ page 168, Child
safety .
Supplemental side a irbags inflate be­
tween the occupant and the door pane l on the
side of the vehicle that is struck in certa in side
coll is ion
~ fig. 170.
A lthough they are not a soft pillow, they can
"cushion" the impact and in th is way they can
help to reduce the risk of injury to the uppe r part
of the body .
A fine dust may develop when the airbag deploys .
This is normal and does not mean there is a fire
in the vehicle .
164
Important safety instructions on the side
airbag system
Airbags are only supplemental restraints . Always
properly wear safety belts and ride in a proper
seating position .
There is a lot that you and your passengers must
k now and act according ly to help the safety belts
and airbags do their job to prov ide supplemental
protect ion .
_& WARNING
An inflating side airbag can cause serious or
fatal injury. Improperly wearing safety be lts
and improper seating posit ions increase the
risk of serious persona l injury and death
whenever a vehicle is being used.
- In order to reduce the risk of injury when
the supplemental side airbag inflates:
- Always s it in an upr ight position and never
l ean agains t the area where the supple­
mental s ide airbag is located .
- Never let a child or anyo ne e lse rest their
head against the side tr im panel in the
area where the s upplementa l side airbag
inflates .
- Always make s ure t hat safety belts are
worn correctly,
- Do no t let anyone s itting in the front seat
p ut their hand or any other parts of their
body out of the window.
- Always make sure that the side a irbag can
inflate w ithout interference.
- Never install seat covers or replacement
upholstery over the front seatbacks that
have not bee n specifical ly approved by
A udi .
- Never use additional seat cushions that
cover the areas where the side airbags de­ ploy.
- Damage to the orig inal seat cove rs or to
the seam in the area of the s ide airbag
module must a lways be repaired immedi­
ate ly by an autho rized Aud i dealer .
-
-Objects between you and the a irbag can in­
crease the r isk of injury in an acc iden t by in­
t erfering wi th the way the airbag unfolds or
~

by being pushed into you as the airbag in­
flates.
- Neve r place or attach accessories o r other
objects (such as cup holders, telephone
b rackets, or even large, bulky objects) on
the doors, over or near the area marked
"AIRBAG" on the seat backrests.
- Such ob jects and accessories can become
dangerous projectiles and cause i njury
when the supplementa l side airbag de­
p loys.
- Never carry any objects or pets in the de ­
p loyment space between them and the
airbags or allow chi ldren or other passen­
gers to travel in this position.
- Always use the bui lt-in coat hooks only for
lightweight cloth ing. Never leave any heavy
or sharp-edged objects in the pockets that
may interfere with side airbag dep loyment
and can cause pe rsonal injury in an accident .
- Always prevent the side airbags from be ing
damaged by heavy objects knocking against
o r hitt ing the sides of the seatbacks.
- The airbag system can only be triggered
once . If the a irbag has been triggered, the
system must be replaced by an authorized
Audi dealership .
- Damage (cracks, deep scratches etc.) to the
original seat cove rs orto the seam in the
area of the s ide a irbag mod ule m ust always
be repaired immed iate ly by an autho rized
Audi dealer .
- If children are sea ted imp roperly, their ris k
of inj ury increases in the case of an ac ciden t
c;, page 168, Child safety.
-Never attempt to modify any components o f
t h e a irbag sys tem in any way.
- In a side collision, s ide a irb ags wi ll no t func­
t io n proper ly if sensors cannot co rrect ly
measure increasing air pressure inside the
doors when air escapes through larger, un­
closed openings in the door panel.
- Never drive w ith inter ior door trim pane ls
removed.
- Never drive when parts have been re­
moved from the inside doo r panel and the
open ings they leave have not been prope r­
ly closed.
Airb ag sys tem
-Never dr ive when lo udspeakers in the
doors have been removed unless the
speaker holes have been properly closed.
- Always make certain that open ings are
covered or filled if additional speakers or
other equipment is installed in the inside
door panels.
- Always have work on the doors done by an
authorized Audi dea ler or qualified work­
shop.
Side curtain airbags
Description of side curtain airbags
The side curtain airbag system can provide sup­
plemental protec tion to properly restrained oc­
cupants.
F ig . 1 71 S id e cur tain airbags, driver's side: s ide curtai n air ­
bag locat io n
The side c urt ain airbags are located on bot h sides
of the inter ior above the front and rear side win­
dows
c;, fig. 171 . They are identified by the word
"AIRBAG" on the windshie ld frame and the cen­
ter roof pillar .
T he side curtain airbag system supp leme nts the
safety belts and can help to reduce the risk of in­
jury for occupants' heads and upper torso on the
side of the vehicle that is str uck in a side colli­
sion. The s ide curta in a irbag inflates in side im­
pacts and only when the vehicle acce leration reg­
istered by the control unit is high enough . If this
rate is below the reference va lue programmed in­
to the control unit, the side airbags will not be
triggered, even tho ugh the car may be badly
damaged as a res ult of the collision.
It is not pos­
s ible to define an airbag triggering range that
will cover every possible angle of impact, since ..,.
165