airbag AUDI TT COUPE 2014 Owner's Manual

Downloaded from www.Manualslib.com manuals search engine Seat
belts
Seat belts
Why is it so important to
use seat belts?
Seat belts provide effective protection
The common belief that passengers can brace
their weight with their hands in a minor collision
is false.
Fig. 183 Driver with properly positioned seat belt -good
protection if the brakes are applied suddenly
It is an established fact that seat belts provide
good protection in accidents. Therefore wearing a
seat belt is required by law in most countries.
Properly worn seat belts hold the occupants in
the best position for maximum protection
¢ Fig. 183. The seat belts are capable of absorb­
ing much of the kinetic energy arising in a colli­
sion. Also they help to prevent uncontrolled
movements which could lead to severe injuries
¢ page 204, Important safety notes when using
seat belts.
If they wear the seat belts correctly, the passen­
gers benefit greatly from the ability of the belts
to reduce the kinetic energy gradually. The front
crumple zones and other passive safety features
(such as the airbag system) are also designed to
absorb the kinetic energy generated in a collision.
Taken together, all these features reduce the
forces acting on the occupants and consequently
the risk of injury.
Although these examples are based on a frontal
collision, the physical principles involved are the
same in other types of accidents. This is why it is
so import ant to put on the seat belts before ev­
ery trip -even when "just driving around the cor-
204 ner".
Ensure that your passengers wear their seat
belts as well ¢ ,&.
Properly worn seat belts have been shown to be
an effective means of reducing the potential for
injury and improving the chances of survival in a
serious accident ¢ page 205, Forces acting in a
collision.
For information on how children can travel safely
in the car refer to¢ page 195, Child seats .
.lD.. WARNING
- Seat belts must be put on before every trip -
even when driving in town. This also applies
to the rear passengers -risk of injury!
- During pregnancy, women should always en­
sure they wear a seat belt. The best way to
protect the unborn child is to protect the
mother ¢ page 207, Wearing and adjust­
ing the seat belts during pregnancy.
Important safety notes when using seat
belts
There are a number of safety points concerning
the seat belts which you should remember. This
will help to reduce the risk of injury in an acci­
dent.
.lD.. WARNING
- The seat belts can only provide maximum
protection if the seats are adjusted properly
¢page 46, Seats and storage.
- To ensure proper protection, it is important
to wear the seat belts in the correct position
¢ page 206, How to wear seat belts prop­
erly. Ensure that the seat belts are worn ex­
actly as recommended in this chapter. Belts
which are not worn properly can increase
the risk of injury in accidents considerably.
- Do not allow the seat belt to become twis­
ted or jammed, or to rub on any sharp
edges.
- Never allow two passengers (even children)
to share the same seat belt. It is especially
dangerous to place a seat belt over a child
sitting on your lap.
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system
Description of airbag
system
General notes on airbag system
The airbag is an integral part of the car's passive
safety system.
In conjunction with the seat belts, the airbag sys­
tem gives the front occupants additional protec­
tion for the head and chest in the event of a se­
vere frontal collision.
In a side collision the side airbags reduce the risk
of injury to the areas of the body facing the im­
pact ¢_&.
In addition to their normal function of protecting
the occupants in a collision, the seat belts also
hold them in a position where the airbags can in­
flate properly and provide maximum protection.
The airbag system will only work with the igni­
tion on. The airbag system is monitored electron­
ically; the airbag warning lamp indicates whether
the system is functioning properly.
The main parts of the airbag system are:
- The electronic monitoring system (control unit
and sensors)
- The two front airbags
- The two side airbags
- The warning lamp El in the instrument cluster
There is a fault in the airbag system if the
warning lamp
- does not come on when the ignition is switched
on.
- does not go out about 4 seconds after the igni­
tion is switched on.
- goes out and then comes on again after the ig­
nition is switched on.
- comes on or flickers while the car is moving.
A WARNING
- The airbags are not a substitute for the seat
belts; they are an integral part of the car's
overall passive safety system. The airbags
can only offer effective protection if the oc- Airbag system
cupants are wearing their seat belts. For
this reason it is very important to wear the
seat belts at all times ¢ page 204, Why is it
so important to use seat belts?.
- The seat belts and airbags can only provide
maximum protection if the occupants are
seated correctly ¢ page 46, Seats and stor­
age.
- If you do not wear a seat belt, if you lean
for ward, or are not seated correctly while
the vehicle is in motion, you are at greater
risk of injury should the airbag system be
triggered in an accident.
- Components of the airbag system are loca­
ted in various parts of the vehicle. If repairs
to other vehicle components make it neces­
sary to perform work on the airbag system
or to remove or install parts of the airbag
system, this may cause damage to the air­
bag system. As a result, the airbags may not
inflate correctly or may not be triggered at
all in an accident situation. For this reason,
you should always have the work carried out
by a qualified workshop.
- If a fault should occur in the airbag system,
have the system checked immediately by a
qualified workshop. Otherwise the system
may fail to trigger in an accident.
- Do not attempt to modify components of
the airbag system in any way.
- Never make any alterations to the front
bumper or the body.
- Do not remove the front seats.
- The airbag system can only be activated
once; if the airbag has been triggered, the
system must be replaced. Should the airbag
system or airbag modules have to be re­
placed, the qualified workshop carrying out
the replacement will document all details.
- If you sell the vehicle, remember to pass on
the complete Service Wallet to the new
owner. If any of the airbags have been deac­
tivated, it is important that the new owner
is also given the relevant documents.
- The relevant safety requirements must be
observed when the vehicle or components
of the airbag or belt tensioner systems are
scrapped.
209

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system
- For safety reasons, the alternator and the
starter are both disconnected from the bat­
tery via a pyrotechnic circuit breaker in se­
vere accidents.
-Any repairs to the pyrotechnic circuit
breaker must always be performed by a
qualified workshop - risk of accident!
- The relevant safety requirements must be
observed when the vehicle or the circuit
breaker are scrapped.
When are the airbags triggered?
One or more airbag systems are triggered in se­
vere collisions, depending on the circumstances.
The airbag system is not triggered in minor colli­
sions, or in rear collisions, or if the car overturns.
In these situations, the occupants are protected
by wearing the seat belts.
Factors determining the triggering response
It is not possible to define the exact triggering
response of the airbag system in all possible sit­
uations, since the circumstances in different
types of accident will vary considerably. Impor­
tant factors include, for example, the nature
(ha rd or soft) of the object which the car hits, the
angle of impact, vehicle speed and so on.
Whether the airbags are triggered depends pri­
marily on the vehicle deceleration rate resulting
from the collision. By processing the signals from
the sensors located in the vehicle, the electronic
control unit is immediately able to evaluate the
severity of the collision and activate the restraint
systems accordingly. If the deceleration rate is
below the predefined reference value in the con­
trol unit the airbags will not be triggered, even
though the accident may cause extensive damage
to the car.
([J) Note
The airbag releases a fine dust when it in­
flates. This is quite normal and does not
mean there is a fire in the vehicle.
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Not available in all export vehicles.
210 Front
airbags
Important notes on front passenger's
airbag
A AIRBAG
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Fig. 193 Front passenger's sun visor: Airbag sticker
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with important information about the
front passenger's airbag is provided on the front
passenger's sun visor. Please refer to the safety
notes in the following chapters:
- Child seats and front passenger's airbag
¢ page 195, Safety notes for using child seats
- Safe distance from front passenger's airbag
¢ page 213, Important safety notes on the
front airbag system
- Objects between front passenger and front pas­
senger's airbag c:::>page 213, Important safety
notes on the front airbag system

Downloaded from www.Manualslib.com manuals search engine Deactivating
the front passenger's airbag
Applies to vehicles: with key-operated switch for front pas­
senger's airbag
If an airbag has been deactivated, it should be
reactivated as soon as possible so that it can
continue to give the required protection.
Fig. 194 Glove box: Key-operated switch for deactivating
front passenger's airbag
Fig. 195 Headliner: Warning lamp lights up when pas­
senger's airbag is deactivated
... To deactivate the front passenger's airbag, use
the key to turn the key-operated switch to@
(OFF) ¢ Fig. 194 .
... The front passenger's airbag can be reactivated
by turning the key to position (D (ON).
Deactivating front passenger's airbag when a
child seat is in use
If you have no alternative but to install a rear­
ward-facing child seat on the front passenger's
seat you must deactivate the front passenger's
airbag beforehand.
Monitoring of airbag system
The indicator lamp JJI ¢ page 14 will light up for
"' a few seconds every time the ignition is switched
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system
If the front passenger's airbag has been deactiva­
ted, the indicator lamp "PASSENGER AIR BAG
OFF "or" AIR BAG OFF" will light up con­
stantly as a reminder ¢Fig. 195.
When the front passenger's airbag is deactivated,
the seat belt warning lamp for the front passen­
ger. ¢ page 13 is also switched off.
A WARNING
- If you have no alternative but to install a
rearw ard-facing child seat on the front pas­
senger's seat, the front passenger's airbag
must be deactivated beforehand. Potentially
fatal injuries to the child can result if the
front passenger's airbag is not deactivated
¢page 195!
- If you have deactivated the front passeng­
er's airbag, reactivate it as soon as the child
seat is no longer needed so that the airbag
can continue to give the required protection.
- It is the driver's responsibility to ensure that
the key-operated switch is set to the correct
position.
((J) Note
All the
other
airbags in the car will remain
functional if the front passenger's airbag has
been deactivated with the key-operated
switch .
211

Downloaded from www.Manualslib.com manuals search engine Airbag
system
Description of front airbags
The airbag system is not a substitute for the seat
belts.
Fig. 196 Driver's airbag in steering wheel
Fig. 197 Front passenger's airbag in dashboard
The front airbag for the driver is located in the
padded hub of the steering wheel ¢Fig. 196. The
front airbag for the front passenger is in the
dashboard above the glove box ¢Fig. 197. The
locations of the airbags are marked with the
word "AIRBAG".
In conjunction with the seat belts, the front air­
bags give additional head and chest protection
for the driver and front passenger in the event of
a severe frontal collision ¢ A in Important safe­
ty notes on the front airbag system on
page 213.
212 How
the front airbags work
When fully inflated, the airbags reduce the risk
of head or chest injury.
Fig. 198 Front airbags in inflated condition
The driver's and front passenger's airbag are trig­
gered in certain frontal collisions ¢Fig. 198. Fur­
ther airbag systems may also be triggered, de­
pending on the circumstances.
When the system is triggered, the airbags fill
with a prope llant gas and open out in front of the
driver and front passenger ¢ Fig. 198. In order to
provide the desired extra protection in an acci­
dent, the airbags have to inflate extremely rapid­
ly (within fractions of a second). The fully de­
ployed airbags cushion the forwards movement
of the front occupants and help to reduce the risk
of injury to the head and the upper part of the
body.
Special openings in the airbag allow the gas to
escape at a controlled rate to restrain the for­
ward movement of the occupant's head and tor­
so. Once the impact has been absorbed, the air­
bag deflates sufficiently for the front occupants
to see forward.

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safety notes on the front airbag
system
There are a number of safety points concerning
the airbag system which you should remember.
This will help to reduce the risk of injury in an ac­
cident.
Fig. 199 Minimum distance from steering wheel
A WARNING
- It is important for the driver and front pas­
senger to maintain a distance of at least
25 cm from the steering wheel or dash­
board ¢Fig. 199. The airbag system will not
be able to give the required protection if you
sit too close to the steering wheel or dash­
board. There is also a risk of injury if the air­
bags are inflated. Additionally, the front
seat position should always be adjusted to
the body size of the occupant.
- If you do not wear a seat belt, if you lean
forward or to the side, or are not seated cor­
rectly while the vehicle is in motion, you are
at greater risk of injury. Should the airbag
system be triggered in an accident there is
an even greater risk of injury.
- Never let a child travel on the front seat
without an appropriate restraint system. If
the airbag is triggered in an accident, the
child could sustain serious or fatal injuries
¢page 195, Child seats.
- Child seats in which the child faces the rear
of the car are located directly in the path of
the front passenger's airbag if it inflates. In
this case, the child could sustain serious or
fatal injuries if the airbag were to be de­
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- Airbag
system
- Applies to vehicles on which the front pas­
senger's airbag cannot be deactivated: Do
NOT use a rearward-facing child seat on
the front passenger's seat.
- Applies to vehicles with key-operated
switch for deactivating the front passeng­
er's airbag: Do NOT use a rearward-facing
child seat on the front passenger's seat
while the front passenger's airbag is ac­
tive. If you have no alternative but to use a
rear ward-facing child seat on the front
passenger's seat, the front passenger's
airbag must be deactivated beforehand via
the key-operated switch* ¢ page 211.
Make sure that the front passenger's air­
bag is reactivated by means of the key-op­
erated switch* as soon as the child seat is
no longer needed on the front passenger's
seat.
- Occupants sitting in the front of the car
must never carry any objects or pets in the
space between them and the airbags, or al­
low children or other passengers to travel in
this position.
- Do not cover or stick anything on the steer­
ing wheel hub or the soft plastic surface of
the airbag unit on the passenger's side of
the dashboard, and do not obstruct or modi­
fy them in any way. These parts should only
be cleaned with a dry cloth (or with a cloth
moistened with plain water). It is also im­
portant not to attach any objects such as
cup holders or telephone mountings to the
surfaces covering the airbag units.
- Any work on the airbag system or removal
and installation of the airbag components
for other repairs (such as repairs to the
steering wheel or removal of seats) must be
performed by a qualified workshop.
213

Downloaded from www.Manualslib.com manuals search engine Airbag
system
Side airbags
Description of side airbags
Applies to vehicles: with side airbags
The airbag system is not a substitute for the seat
belts.
Fig. 200 Location of side airbag in driver's seat
The side airbags are located in the backrest pad­
ding of the front seats¢ Fig. 200. The locations
of the airbags are marked with the word "AIR­
BAG".
In conjunction with the seat belts, the side air­
bags give the occupants additional protection for
the whole upper part of the body (i.e. the chest,
stomach and pelvis) in the event of a severe side
collision ¢&. in Important safety notes on the
side airbag system on page 214.
In a side collision the side airbags reduce the risk
of injury to the areas of the body facing the im­
pact.
How the side airbags work
Applies to vehicles: with side airbags
When fully inflated, the side airbags reduce the
risk of injuries to the upper part of the body.
Fig. 201 Side airbag in inflated condition
214 In
certain types of side collision, the side airbag
is triggered on the impact side of the vehicle
¢ Fig. 201. Further airbag systems may also be
triggered, depending on the circumstances.
When the system is triggered, the airbag is filled
with propellant gas.
In order to provide the desired extra protection in
an accident, the airbags have to inflate extremely
rapidly (within fractions of a second). The airbag
releases a fine dust when it inflates. This is quite
normal and does not mean there is a fire in the
vehicle.
When fully deployed, the airbags cushion the im­
pact for the occupants and help to reduce the risk
of injury to the whole upper part of the body (i.e.
the chest, stomach and pelvis) on the side facing
the door.
Important safety notes on the side airbag
system
Applies to vehicles: with side airbags
There are a number of safety points concerning
the airbag system which you should remember.
This will help to reduce the risk of injury in an ac­
cident.
A WARNING
- If you do not wear a seat belt, if you lean
forward, or are not seated correctly while
the vehicle is in motion, you are at greater
risk of injury should the side airbags be trig­
gered in an accident.
- If children are not seated correctly, they are
at greater risk of injury in an accident. This
is particularly the case if the child is travel­
ling on the front passenger's seat and the
airbag system is triggered in an accident.
This could result in serious or potentially fa­
tal injury ¢page 195, Child seats.
- It is also important not to attach any acces­
sories (such as cup holders) to the doors.
This would impair the protection offered by
the side airbags.
- The sensors for the airbags are located in
the front doors. You must therefore not
make any modifications to the doors or door
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(e.g. retrofitting loudspeakers), as this
could impair the function of the side air­
bags. Any damage to the front doors could
lead to faults in the system. Repairs or any
other work on the front doors must there­
fore always be carried out by a qualified
workshop.
- Do not apply excessive force to the sides of
the backrests (such as hard knocks or kicks),
as this could damage parts of the system.
The side airbags could then fail to operate
when required.
- If you intend to fit protective covers over the
seats, these must be of the specific type ap­
proved for use on Audi seats with side air­
bags. Conventional seat covers would ob­
struct the side airbag when it inflates out of
the backrest, and seriously reduce the air­
bag's effectiveness.
- Any damage to the original seat upholstery
or around the seams of the side airbag units
must be repaired immediately by a qualified
workshop.
- Any work involving the
side
airbag system or
removal and installation of the airbag com­
ponents for other repairs (such as repairs to
the seats) must always be performed by a
qualified workshop. Otherwise the airbag
system may fail to work properly.
Head-protection airbags
Description of head-protection airbags
Applies to vehicles: with head-protection airbags
Fig. 202 Location of head-protection airbag above the
door
The head-protection airbags are located above
the doors on the left and right sides of the vehi- Airbag
system
de ¢Fig. 202. The locations of the airbags are
marked with the word "AIRBAG".
In conjunction with the three-point seat belts
and side airbags, the head-protection airbags
give the occupants additional protection against
head and neck injuries in a severe side collision
¢.&. in Important safety notes on the head-pro­
tection airbags on page 216.
Together with other design features (including
cross-braces in the seats and the overall strength
of the body structure), the head-protection and
side airbag system offers an effective further im­
provement to occupant protection in side im­
pacts.
How the head-protection airbags work
Applies to vehicles: with head-protection airbags
When fully inflated, the airbags reduce the risk
of head or chest injury in a side collision.
Fig. 203 Head-protection airbag in inflated condition
In certain types of side collision, the head-protec­
tion airbag is triggered on the impact side of the
vehicle ¢ Fig. 203. Further airbag systems may
also be triggered, depending on the circumstan­
ces.
When the system is triggered, the airbag fills
with a propellant gas and covers the entire area
in front of the side windows, including the door
pillars. In this way the system is able to protect
both the front and the rear occupants on the side
of the vehicle where the impact occurs. The head­
protection airbag inflates to soften the impact if
..,.
215

Downloaded from www.Manualslib.com manuals search engine Airbag
system
an occupant strikes parts of the interior or ob­
jects outside the vehicle with their head. By re­
ducing the head impact and restraining uncon­
trolled movement of the head, the airbag also
reduces the forces acting on the neck.
The front airbags, side airbags and head-protec­
tion airbags may be triggered together in certain
types of accident.
In order to provide the desired extra protection in
an accident, the airbags have to inflate extremely
rapidly (within fractions of a second). The airbag
releases a fine dust when it inflates. This is quite
normal and does not mean there is a fire in the
vehicle.
Important safety notes on the head­
protection airbags
Applies to vehicles: with head-protection airbags
There are a number of safety points concerning
the airbag system which you should remember.
This will help to reduce the risk of injury in an ac­
cident.
A WARNING
- It is important to ensure that the area
around the openings for the head-protec­
tion airbags remains unobstructed at all
times, so that the airbags can inflate prop­
erly if needed.
- The built-in coat hooks should only be used
for lightweight clothing. Do not leave any
heavy or sharp-edged objects in the pockets.
When using the coat hooks, do not hang the
clothes on coat hangers.
- The space between the passengers and the
head-protection airbags must never be oc­
cupied by children, other passengers or
pets. Passengers should never lean out or
put a hand or arm out of the window while
the vehicle is in motion.
- Do not move the sun visors out to cover the
side windows if there is anything attached
to them (such as pens or a remote control
for the garage door). These objects could
cause injury if the head-protection airbag is
triggered.
216 -
The sensors for the airbags are located in
the doors. You must therefore not make any
modifications to the doors or door trim (e.g.
retrofitting loudspeakers), as this could im­
pair the function of the side airbags. Any
damage to the doors could lead to faults in
the system. Repairs or any other work on
the doors must therefore always be carried
out by a qualified workshop.
- If unsuitable accessories are installed near
the head-protection airbag, the protection
afforded by the airbag can be seriously im­
paired if the system is triggered. When the
head-protection airbag opens, parts of
these accessories could be thrown into the
vehicle and injure passengers ¢ page 260.
- Any work involving the head-protection air­
bags, or removal and installation of the air­
bag components for other repairs (such as
repairs to the roof liner), must always be
performed by a qualified workshop. Other­
wise the airbag system may fail to work
properly.

Downloaded from www.Manualslib.com manuals search engine Checking
and topping up fluids
Brake fluid
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Fig. 215 Engine compartment: Cap of brake fluid reservoir
Checking brake fluid level
The brake fluid Level must be between the MIN
and MAX marks on the reservoir ¢ page 222,
Fig. 211.
If the Level goes down noticeably in a short time,
or drops below the MIN mark, there may be a
Leak in the brake system. Obtain professional as­
sistance. The brake fluid Level is also monitored
via a warning Lamp on the infotainment display
¢page 11.
In right-hand drive vehicles the brake fluid reser­
voir is on the other side of the engine compart­
ment.
Changing brake fluid
Your vehicle's Service Schedule will tell you the
regular intervals at which the brake fluid is due
for renewal. We recommend that you have the
brake fluid changed by a qualified workshop dur­
ing a service.
A WARNING
- Brake fluid is poisonous; it must be stored in
the sealed original container in a safe place
out of the reach of children.
- Heavy use of the brakes may cause a vapour
Lock if the brake fluid is left in the system
for too Long. This would seriously affect the
efficiency of the brakes and the safety of the
car -risk of accident!
226 CD
CAUTION
Brake fluid must not be allowed to come into
contact with the vehicle's body, otherwise it
will attack the paintwork.
Battery General notes
ALL work on batteries requires specialist knowl­
edge.
The battery is virtually maintenance-free. It is
checked as part of the Inspection Service.
When an airbag is triggered, the battery will, un­
der certain circumstances, be disconnected from
the on-board power supply for safety reasons
¢ .&.. in General notes on airbag system on
page 209.
Disconnecting the battery
The battery should always be Left connected. If
the battery is disconnected, some of the vehicle's
functions will become inoperative (e.g. electric
windows). These functions will require resetting
after the battery is reconnected. For this reason,
the battery should only be disconnected from the
vehicle's electrical system when absolutely nec­
essary.
If the vehi cle is not used for long periods
If you do not drive your vehicle for a period of
several days or weeks, the power management
will gradually shut off the on-board systems one
by one, or reduce the amount of current they are
using. This Limits the amount of power consumed
and helps to ensure reliable starting even after a
Long period ¢ page 106. Certain convenience fea­
tures, such as interior Lighting or electric seat ad­
justment, may not be available. These functions
will be restored when you switch on the ignition
and start the engine. Even though some systems
are deactivated automatically, certain electrical
equipment continues to draw current even when
the ignition is off. If the vehicle is Left standing
for several months, this can result in total bat-
tery discharge. If the battery is allowed to dis­
charge completely, an internal chemical reaction
..,_