2018 AUDI S3 SEDAN Owners Manual

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occupant safety that nothing should be in their
way when they deploy.
Fully inflated airbags in combination with proper­
ly worn safety belts slow down and limit the oc­
cupant's forward movement and help to reduce
the risk of injury.
Important safety instructions on the knee
airbag system
A ppl ies to: ve hicles with knee a ir b ags
Airbags are 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 serious in­
jury . Wearing safety belts incorrectly and im­
proper seating posit ions increase the r isk of
serious personal injury and death whenever a
vehicle is being used .
- The knee 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 :
- at least 10 inches (25 cm) between the
chest and the steering wheel/instrument
panel.
- at least 4 inches (10 cm) between the
knees and the lower part of the instru­
ment panel.
- The risk of persona l injury increases if you
lean forward or to the side, or if the seat is
improperly positioned and you are not wear­
ing your safety belt. The risk increases even
more should the airbag 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
-
Airbag system
with the way the airbag deploys or by being
pushed into you as the airbag deploys.
- Never let anybody, especially children or
animals ride in the footwell in front of the
passenger seat. If the airbag deploys, this
can result in serious or fatal injuries.
- Never carry objects of any kind in the foot­
well area in front of the driver's or pas­
senger's seat . Bulky objects (shopping
bags, for example) can interfere with or
prevent proper deployment 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 scratch­
es or other damage in the area of the instru­
ment panel where the knee airbags are lo­
cated.
- If children are incorrectly seated, their risk
of injury increases in a collision
<=> page 294, Child safety .
Side airbags
Description of side airbags
The airbag system can provide supplemental
protection to properly restrained occupants .
Fig. 242 Side airbag loc atio n in the driver's se at
The side airbags are located in the sides of the
front seat backrests
<=> fig . 242 and the rear back­
rest* facing the doors.
The side airbags installed for the front seating
positions have been designed and certified to
help reduce the risk of injury that can be caused
by airbags when they inflate, particularly when
the occupant sitting next to it is not seated prop­
erly . The side airbag for the front passenger seat
.,.
287

Airbag syste m
can be used with properly insta lled child re­
straints. Please be sure to read the important in ­
formation and warnings whenever using a child
restraint in a veh icle: Safety belts
c> page 260,
Airbag system c> page 269, Ch ild safety
c> page294 .
The s ide ai rb ag sy stem basic ally con sists of:
- the e lectron ic co ntrol mod ule and externa l side
impact sensors
- th e two airbags loca ted in t he sides of t he front
backrests and the two airbags* located in the
rear back rest
- th e a irbag wa rn ing light in the inst rument cl us-
ter.
The a irbag system is monito red elect ronically to
make certa in that it is funct ioning prope rly at all
t imes. Ea ch time you sw itch on the ign ition, the
airbag system indicato r light will come on for a
few seconds (self diagnostics) .
The s ide a irba g system supplements the safety
be lts and can help to reduce the risk of injury to
the dr iver's, front and rear* passenger 's upper
torso on the side of the vehicle t hat is struck in a
side co llision . The airbag dep loys only in side im ­
pacts and on ly when the ve hicle acceleration reg­
is tered by the control unit is h igh enough . If this
rate is below the reference value programmed in ­
to the control un it, the s ide a irbags w ill not be
tr iggered , even thoug h the ca r may be bad ly
damaged as a result of the collision. It is not pos­
sib le to define an a irbag tr igger ing range that
will cover every possib le ang le of impact , since
the circumstances wi ll vary considerably between
one co llision and another. Important factors in ­
clude, for example, the nature (hard or soft) of
the impacting object, the angle of impact, vehicle
speed , etc.
c> page 289, Important safety in­
structions on the side airbag system .
Aside from their normal safety function, safety
be lts work to help keep the driver or front p as­
senger in pos it ion in the event of a s ide collision
so that the side a irbags can provide protection .
The airbag system is
not a subst itute for your
safety belt. Rather, it is part of the overa ll occu­
pant restraint sys tem in your vehicle . Always re­
member that the s ide airbag system can only
288
help to protect you if you are wear ing you r safety
belt and wearing it properly. This is another rea ­
son why you should a lways wear your safety
belts, not just because the law requires you to do
so c> page 260, General no tes.
It is important to remember that w hile the sup­
plementa l side airbag system is designed to re ­
duce the likelihood of ser ious injuries, other in ju­
ries, for example, swelling, bru is ing, friction
burns and m inor abras ions can also be assoc iated
with deployed side airbags . Remember too, s ide
a irbags w ill dep loy only once and only in certa in
ki nds of acc idents
-you r safety belts are a lways
t h ere to offer p rotect ion.
Vehicle damage, repair costs or even the lack of
vehicle damage are not necessar ily an ind ication
of over-se nsit ive or fa iled a irbag act ivat ion. In
some coll is ions, bo th front and side airbags may
i nflate. Remember too, tha t airbags w ill dep loy
on ly once and on ly in certain kinds of collisions
-
your safety be lts are always there to offer protec ­
tion in those accidents in which ai rbags are not
supposed to deploy or when they have already
deployed .
The side airbag system will n ot deplo y:
-when t he ignition is switched off
- in side co llisions when the a ccelera tion meas -
ured by the sensor is too low
- in fro nt-end coll is io ns
- in rea r-end co llisions
- in rollovers .
In some types of accidents the front airbags, side
curtain airbags and side a irbags may be triggered
together .
A WARNING
-Safety belts and the airbag system will only
provide protect ion when occupants are i n
the prope r sea ting pos it ion
c> page 289.
- If t he a irbag ind icator light c> page 26
comes w hen the veh icle is being used, have
the system inspe cted immedia tely by your
author ized A udi dealer. It is poss ib le that
the airbag will in flate when i t is not sup ­
posed to, or wi ll not inflate when it should .

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How supplemental side airbags work
Side airbags deploy instantly and can help re­duce the risk of upper torso injuries for occu­
pants who are properly restrained.
App lies to: vehicles wi thout power to p
Fig . 2 43 Side impac t protection: inflated side a irbags (ex ·
ample)
Applies to: vehicles wit h powe r top
Fig. 244 Side impact protect ion: inf lated side a irbags
When the system is triggered, the airbag is filled
with propellant gas and breaks through a seam in
the seat surface area marked "AIRBAG" . It ex­
pands between the s ide trim pane l and the pas­
senger. In order to help prov ide this add itional
protection, the side airbag must inflate within a
fract ion of a second at very high speed and with
g reat force. The supplemental side airbag cou ld
i njure you if your seating position is not p roper or
upright o r if items a re located in the area where
the supplemen tal side airbag expands . This ap­
plies especially to children
c::> page 294, Child
safety.
Supp lemental side airbags inflate be­
tween the occ upant and the door pane l on the
side of the vehicle that is struck in certa in side
collis ion
c::> fig. 243, c::> fig. 244.
Although they are not a soft pi llow, they can
"cushion" the impact and in th is way they can
Airbag system
help to reduce the risk of injury to the up per pa rt
of the body.
A fine dust may develop when the a irbag deploys.
Th is is no rma l and does not mean the re is a fi re
in the vehicle .
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 yo ur passengers must
know and act according ly to he lp the safety belts
and airbags do their job to provide supplementa l
protection.
..&. WARNING
-
An inflating s ide a irbag can cause serious or
fatal injury. Improperly wearing safety belts and improper seating posit ions increase the
r isk of ser ious perso na l inju ry 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
lean against the area where the supp le­
mental side airbag is located.
- Never let a child or anyone e lse rest their
head against the side trim panel in the
area where the supplementa l side airbag
inflates.
- Always make sure that safety belts are
worn correctly,
- Do not let anyone sitting in the front seat put their hand or any other parts of their
body out of the window .
- Always make sure that the side airbag can
inflate w ithout interference.
- Never install seat covers or repla ceme nt
u pholste ry ove r the front seatbacks that
have not been specif ica lly approved by
Audi.
- Never use additional seat c ushions that
cover the areas where the side airbags de-
.
ploy . Ill>
289

Airbag system
-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 .
- Objects between you and the airbag can in­
crease the risk of injury in an accident by in­
terfering with the way the airbag unfolds or by being pushed into you as the a irbag in­
flates.
- Never place or attach accessories or other
objects (such as cup holders, telephone
brackets, or even large, bulky objects) on
the doors, over or near the area marked
"AIRBAG" on the seat backrests .
- Such objects and accessories can become
dangerous projectiles and cause injury
when the supplemental s ide airbag de­
ploys.
- Never carry any objects or pets in the de­
ployment space between them and the
airbags or allow chi ldren or other passen­
gers to travel in this posit ion.
- Always use the built-in coat hooks only for
lightweight clothing . Never leave any heavy
or sharp-edged objects in the pockets that
may interfere with side airbag deployment
and can cause personal injury in an accident .
- Always prevent the side airbags from being
damaged by heavy objects knocking against
or hitting the sides of the seatbacks.
- T he airbag system can only be triggered
once .
If the airbag has been triggered, the
system must be replaced by an authorized
Audi dealership.
- Damage (cracks, deep scratches etc.) to the
original seat covers or to the seam in the
area of the side airbag modu le must always
be repaired immediately by an authorized
Audi dealer.
-If children are seated improper ly, their risk
of injury increases in the case of an acc ident
¢ page 2 94, Child safety.
-Never attempt to modify any components of
the a irbag system in any way.
-In a side collision, side airbags w ill not func­
t ion properly if sensors cannot correctly
measure increasing air pressure inside the
290
doors when air escapes through larger, un­
closed openings in the door panel.
- Never drive with inte rior door trim panels
r emoved.
- Never dr ive when parts have been re­
moved from the inside door panel and the
openings they leave have not been proper­
l y closed.
- Never drive when loudspeakers in the
doors have been removed unless the
speaker holes have been properly closed.
- Always make certain that openings are
cove red 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 Aud i dealer or qualified work­
shop .
Side curtain airbags
Description of side curtain airbags
Applies to: vehicles with side curtain airbags
The side curtain airbag sys tem can provide sup­
plemental protection to properly restrained oc­
cupants .
Fig. 24S Sid e curt ain air b ags , driver's s ide: s ide curt ain air­
bag location (example)
The side curtain airbags are located on both sides
of the inter ior above the front and rear side win­
dows ¢
fig. 245. They are identified by the word
"A IRBAG" on the windshie ld frame and the cen­
ter roof pillar.
The side curtain airbags contain features that
provide ejection mitigation to help prevent vehi-
cle occupants or parts of their bodies from being completely or partia lly ejected from the vehicle
II>

interior in certain side impacts and vehicle roll­
overs .
The s ide curta in a irbag system supplements the
safety be lts and can he lp to reduce t he r isk of in­
jury for occupants' heads and upper torso on the
side of th e vehicle that is struck in a side co lli­
sion. The side curtain airbag inflates in side im­
pacts and only when the vehicle acceleration reg­
is tered 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 tr iggered, even though the car may be
badly damaged as a result of the collis ion. It is
not poss ib le to define an airbag tr iggering r ange
that will cover every poss ible angle of impa ct,
since the circumstances will vary considerab ly be­
tween one collision and another. Important fac­
tors include , for example, the nature (hard or
soft) of the impacting object, the ang le of im­
pact, vehicle speed, etc .
¢ page 292, How side
curtain airbags work .
Aside from their no rmal safety function, safety
be lts work to help keep the driver or front pas­
senger in posit ion in the event of a collision so
that the side curtain airbags can provide protec­
tion .
The airbag system is not a subst itute for your
safety belt. Rather, it is part of the overall occu­
pant restraint system in your veh icle . Always re ­
membe r that the airbag system can only help to
p rotect you if you a re wea ring your safety belt
and wear ing it properly . T his is anot he r r eason
why you should always wea r your safety be lts,
not just because the law requires you to do so
¢ page 260, General notes.
It is important to remember that wh ile the s ide
curta in a irbag system is des igned to he lp red uce
the likelihood of ser ious injuries, other inj uries,
for example, swe lling, bruising, friction burns
and minor abrasions can also be associated with
these airbags upon deployment . Remember too,
these airbags will deploy only once and only in
certa in kinds of acc idents
-your safety belts are
::li always there to offer protection .
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Airbag syste m
The side curtain airbag sy ste m basically
consists of :
-The e lectronic control module and externa l side
impact sensors
- The side curtain airbags above the front and
rear side windows with ejection mitigation fea ­
tures
- The airbag indicator lig ht in the instrument
pane l
T he airbag system is mon itored e lectro nica lly to
make certain it is functioning properly at a ll
times. Each time you switch on t he ignition, the
airbag system ind icato r light will come on for a
few seconds (se lf d iagnostics) .
The side curtain airbag is not activated:
-if the ignition is sw itched off,
- in side co llisions whe n the ac cele ration meas-
ured by the sensor is too low,
- in rea r-end co llisions.
_&. WARNING
- Safety bel ts an d the airbag system will only
p rovide protect io n when occupants are in
the proper seating position
¢ page 59,
Front seats.
- If th e ai rbag ind icator light ¢ page 26
comes when the vehicle 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 .
291

Airbag system
How side curtain a irbags work
A pplies to: ve hicles w ith s ide curta in a irbags
Side curtain airbags can work together with side
airbags to help reduce the risk of head and upper torso injuries for occupants who are properly re­
strained.
F ig . 246 Ill ustrat ion of pr inciple : In flated s ide curta in air ·
bags on the left side (example)
The side curtain airbags inflate between the oc­
cupant and the windows on the side of the vehi­
cle that is struck in a side collision
c::> fig. 246 .
When the system is triggered, the side curtain
airbag is filled with propellant gas and breaks
through a seam above the front and rear side
windows identified by the AIRBAG label. In order
to help provide this additional protection, the
side curtain airbag must inflate within the blink
of an eye at very high speed and with great force .
The s ide curtain airbag could injure you if your
seating position is not proper or upright or if
items are located in the area where the supple­
mental side curtain a irbag inflates . This applies
especially to children
c::> page 294.
Although they are not a soft pi llow, s ide curtain
airbags can "cushion" the impact and in this way
they can help to reduce the risk of injury to the
head and the upper part of the body.
A fine dust may develop when the airbag deploys.
This is quite normal and does not mean there is a
fire in the vehicle.
292
Important safety instructions on the side
c urtain airbag system
Appl ies to : vehicles wi th side curtain airbags
Airbags are only supplemental restraints . Always
properly wear safety belts and ride in a proper
seating position .
There is a lot that you and your passengers must
know and do to help the safety belts and airbags
do their job to provide supplemental protection.
A WARNING
-Improperly wearing safety belts and improper
seating positions increase the risk of serious
personal injury and death whenever a vehicle
is being used.
- Never let occupants place any parts of their
bodies in the area from which the side cur­
tain airbag inflate.
- Always make sure that the side curtain air­
bags can inflate without interference.
- Use the bu ilt-in coat hooks only for light­
weight clothing. Never leave any heavy or
sharp-edged objects in the pockets that may
interfere with airbag deployment and can
cause personal injury in a collision.
- Never use hangers to hang clothes on the
hooks.
- On ly use factory-installed sun shades or, if
shades installed after the vehicle leaves the
factory, use only genu ine Audi sun shades.
- Never swing the sun visors over to the side
windows if things such as pens, garage door
openers, hands-free speakers, etc . are at­
tached to the sun visors. They could come
loose and cause serious injury if the side cur­
tain airbag inflates.
- A deploying airbag inflates in a fract ion of a
second and with great force.
- Never attach objects to the cover or in the
deployment zone of a side curtain airbag .
- The airbag deployment zones must be kept clear at al l times. Make sure there are no
objects, pets, or other persons in the space
between any vehicle occupant and any air­
bag at any time .
- Do not attach any accessories to the doors.

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A WARNING
-The airbag system can deploy only once. If
the a irbag has been tr iggered, the system
must be replaced by an authorized Aud i
dealer or qua lif ied workshop .
- Always have work involving the side curtain airbag system, removal and installation of
the a irbag components, or other repa irs
perfo rmed by a qualified dealersh ip. Othe r­
wise the airbag system may not wor k co r­
rectly .
- Never a ttempt to modify any components of
the a irbag system in any way .
Airbag syste m
293

Child safety
Child safety
Important information
Introduction
The rear seat is generally the safest place in a
collision .
The physical principles of what happens when
your vehicle is in a crash apply also to children
¢ page 261, What happens to occupants not
wearing safety belts? .
But unlike adults and
teenagers, their muscles and bones are not fully
developed. In many respects children are at
g reater r isk of serious injury in crashes than
adults .
Because children's bodies are not fully devel­
oped, they require restraint systems especially
designed for their size, weight, and body struc­
ture. Many countries and all states of the United
States and provinces of Canada have laws requir­
ing the use of approved child restraint systems
for infants and small children .
I n a frontal crash at a speed of 20-35 mph
(30 -56 km/h) the forces acting on a 13-pound
(6 kg) infant will be more than 20 times the
weight of the child. This means the weight of the
child would suddenly be more than 260 pounds
(120 kg) . Under these conditions, only an appro­
priate child restraint properly used can reduce
the risk of serious injury. Child restraints, like
adu lt safety belts, must be used properly to be
effect ive. Used improperly, they can increase the
risk of serious injury in an accident.
All ch ildren, especially those 12 years and young­
er must always ride in the back seat properly re­
strained for their age and size. If you must insta ll
a child restra int on the front passenger seat in
exceptional circumstances, be sure to read and
heed the important information and warnings
¢ page 270. Infants and other chi ldren who are
properly restrained in an appropriate child re­
straint that is for their si ze and age can benefit
from the protection that supplemental side air­
bags provide in some kinds of crashes .
For more information please see information
provided by the:
294
- National Highway Traffic Safety Administration
(NHTSA), currently at: http://www.safe ­
rcar.gov (for the USA)
- Tr ansport Canada Information Centre, current-
ly at: http ://www.tc .gc.ca (for Canada)
Consult the child safety seat manufacturer's in­
structions in o rder to be sure the seat is right fo r
your c hild's
size ¢ page 298, Important safety
instructions for using child safety seats .
Please
be sure to read and heed all of the important in­
format ion and WARNINGS about child safety,
Advanced Airbags, and the installation of child
restraints in this chapter .
T here is a lot you need to know about the Ad­
vanced Airbags in your veh icle and how they work
when infants and children in child res traints are
on the front passenger seat . Because of the large
amount of important informat ion, we cannot re­
peat it all he re . We urge you to read the detailed
info rmat ion in this owner's manual about airbags
and the Advanced Airbag System in your vehicle
and the very important information about trans­
porting children on the front passenger seat.
P lease be sure to heed the WARNINGS -they are
extremely important for your safety and the safe­
ty of your passengers, especially infants and
small children .
A WARNING
-Accident statistics have shown that children
are generally safer in the rear seat area than
in the front seating position. Always restrain
any child age 12 and under in the rear.
- All vehicle occupants and especially children
must be restrained properly whenever riding
in a vehicle. An unrestrained or improperly
restrained child could be injured by striking
the interior or by being ejected from the ve ­
hicle during a sudden maneuver or impact.
An unrestrained or improperly restrained
child is a lso at greater r isk of injury or death
through contact w ith an inflating airbag.
- A suitable ch ild restraint properly installed
and used at one of the rear seating positions
provides the highest degree of protection
for infants and small children in most acci­
dent situat ions.