2017 AUDI TT ROADSTER heater

Airbag syste m
-Repairs to the front passenger seat must be
performed by qua lified and properly trained
workshop personnel.
- Never remove the front passenger or driver
seat from the vehicle.
- Never remove the upholstery from the front
passenger seat.
- Never disassemble or remove parts from the
seat or disconnect wires from it.
- Never carry sharp objects in your pockets or
put them on the seat . The capacitive pas­
senger detection mat in the front passenger
seat will not function properly if it is punc­
tured.
- Never carry things on your lap or carry ob­
jects on the front passenger seat. Such ob­
jects can influence the capac itance regis­
tered by the capac itive passenger detection
system, so that incorrect information is pro­
vided to the airbag control unit.
- Never store items under the front passenger
seat. Parts of the Advanced Airbag System
under the passenger sea t could be dam­
aged, preven ting them and the airbag sys­
tem from working properly.
- Never place seat covers o r rep lacemen t up ­
holstery that have not been spec ifically ap­
proved by Audi on the front seats.
- Seat covers can prevent the Advanced Air­
bag System from recogn izing child re­
straints or occupants on the front passenge r
seat and prevent the side airbag in the seat
backrest from dep loying proper ly.
- If a seat heater has been retrofitted or oth­
erwise added to the front passenger seat,
never install any ch ild restraint system on
this seat.
- Never use cush ions, pillows, blankets, or
similar items on the front passenger seat.
The add itiona l layers prevent the capacitive
passenge r detection system from accurate ly
measuring the capac itance of the ch ild safe­
ty seat and/or the pe rson on the seat and
t hu s keep the Advanced Airbag System from
wor king p roperly.
- Never place o r use any electrical device
(s uch as a laptop, CD player, elec tronic
games dev ice, power inverte r or seat he ater
204
for child seats) on the front passenger seat
if the device is connected to the 12-volt
socket or the cigarette lighter socket. Such
dev ices can influence the capac itance regis­
tered by the capacitive passenger detection
system, so that incorrect informat ion is pro­
vided to the airbag cont ro l unit.
- If you must use a child restra int on the front
passenger seat and the child restra int man­
ufacturer's instructions requ ire t he use of a
towel, foam c ushion or someth ing else to
proper ly posit ion the child restra int, make
certa in that the
PASSENGER AIR BAG OFF
,; ; light comes on and stays on whenever
the child restraint is insta lled on the front
passenger seat.
- If the
PASSENGER AIR BAG OFF,;, light
does not come on and stay on, have the air­ bag system inspected by your Audi dealer.
A WARNING
If the front passenger seat gets wet, dry it im­mediately .
- If liq uid soaks into the front passenger seat,
this can keep the airbag system from work­
ing proper ly and may, for instance, deacti­
vate the passenger frontal airbag. If this
happens, the
PASSENGER AIR BAG OFF,;,
light will come on and stay on together w ith
t he airbag indica to r li gh t
min the instru­
ment cluster.
'
- I f liq uid is pooled on the seat, but has not
soaked in, th is may also keep the airbag sys­
tem from working p roperly and cause the
passenger fronta l airbag to be enabled
(turned on), even though there is a properly
installed child restraint system on the seat.
Wet towels or other wet things on the seat
cushion can have the same effect. If the
front passenger frontal airbag is turned o n,
the
PASSENGER AIR B AG OFF ,;, light light
w ill go out.
How the Advanced Airbag System
components work together
The front Advanced Airbag System and the side
airbags supp lement the protection offered by the .,,.

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met, be sure to check the light regularly to make
certain that the
P A SSENGER AIR BAG OFF '-1;
light stays on continuously whenever the ignition
is on. If the
PAS SENGER AIR BAG OFF '-1; light
does not appear on and does not stay on all the
time, stop as soon as it is safe to do so and
- reactivate the system by turning the ign ition
off for more than 4 seconds and then turning it
on again;
- remove and reinstall the child restraint. Make sure that the child restraint is properly instal­led and that the safety belt for the front pas­
senger seat has been correctly routed through
the child restraint as descr ibed in the child re­
straint manufacturer's i nstructions;
- make sure that the convertible locki ng retrac­
tor on the safety be lt for the front passenger
seat has bee n activated and that the safety belt
has been pulled tight.
- make sure that no electrical device (such as a
laptop, CD player, electronic games device,
power inverter or seat hea ter for child seats) is
placed or used on the front passenger seat if
the device is connected to the 12•volt socket or
the cigarette lighter socket;
- make sure that no seat heater has been retro ­
fitted or otherwise added to the front passen­
ger seat;
- make sure that nothing can interfere with the
safety belt buckles and that they are not ob­
structed;
- make sure that there are no wet objects (such
as a wet towel) and no water or other liquids on
the front passenger seat cush ion.
If the PASSENGER AIR BAG OFF~; light st ill
doe s not come on ...
If the PAS SENGER AIR BA G OFF '-1; light sti ll
does not come on and does not stay on continu­
ously (when the ignition is sw itched on),
- take the child restraint off t he front passenger
seat and have the airbag system inspected by
your Audi dealer immed iate ly.
Th e PASSENGER AIR BAG OFF~; light
should NOT come on ...
The PA SSENGER AIR BAG OFF ~ ; light should
NOT come on when the ign ition is on and an
Airb ag sys tem
adult is sitting in a proper seating pos ition on the
front passenger seat. If the
PASSENGER AIR
BAG OFF~;
light comes on and stays on whi le
driv ing, under these c ircumstances, make sure
that:
- the adult on the front passenger seat is proper­
ly seated on the center of the seat cushion w ith
his or her back up against the backrest and the backrest is not reclined,
- the adult is not taking we ight off the seat by
holding on to the passenger assist handle
above the front passenger door or support ing
their weight on the armrest,
- the safety belt is being properly worn and that
there is not a lot of slack in the safety belt web­
b ing ,
- there are no aftermarket seat covers or cush­
ions or other things (such as blankets) on the
front passenger seat that might cause the ca­ pacitive passenge r detection system to miscal­
culate e lectr ica l capaci ta nce.
' Important safety instructions on
monitoring the Advanced Airbag System
A WARNING
--- If the stat us of the Advanced Airbag System
has changed while the vehicle is moving, the
PASSENGER AIR BAG OFF '-1; ON @ light
blin ks for about 5 seconds to cat ch the driv­
er 's attent ion . If this happens, a lways stop
as soon as it is sa fe to do so and check the
steps described above .
- If the
PASSENGER AIR BAG OFF~; light
does not go off when an adult who is not
very small is sitting on the front passenger
seat after tak ing the steps described above,
have the airbag system inspected by your
author ized Audi dealer before t ransporting
anyone on the front passenger seat .
A WARNING ....._
An airbag system that is not functioning prop­
e rly cannot prov ide supplemental protect io n
i n a fronta l crash.
- If the ai rbag ind icator light
<=:> page 14
comes when the veh icle is being used, have
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-Never install a rearward facing child safety
seat on the front passenger seat if the
PAS ­
SEN GER AIR BA G OFF ,;;
light does not
turn on and stay on. Have the system in­
spected immediately by an authorized Audi
dealer or author ized Audi Service Facility .
A WARNING
-Forward-fac ing ch ild seats installed on the
front passenge r seat may inte rfere with the
deployment of the a irbag and cause serious
persona l injury to the child .
- If except ional circumstances require the use
of a forward-facing child restraint on the
front passenger's seat , the child's safety
and well-being require the following special
precautions to be taken:
- Always make sure that the forward -facing
seat has been designed and cert ified by its
manufacture r fo r use on a front passenger
seat with a front and s ide a irbag.
- Always carefully follow the manufacturer's
instructions provided with the child seat
or i nfant car rier.
- Never p ut the fo rward-facing child re­
stra int up against o r very near the instru­
men t panel.
- Always move the front passenger seat to
the highest posit ion in the up and down
ad justment range and move it back to the
rearmost position in the seat's fore and
aft adjustment range, as far away from
the airbag as possible, before installing
the forward-facing ch ild restraint.
- Always make sure that the safety be lt up­
per anchorage is behind the child restra int
and not next to or in front of the child re­
stra int so that the safety belt will be prop­
erly positioned .
- Always make sure that nothing prevents
the front passenger's seat from be ing
moved to the rearmost posit ion in its fore
and aft adjustment range .
- Never place objects on the seat (such as a
laptop, CD p laye r, electronic games de­
vice, powe r inverter or seat heater for
child seats). These may influence the elec-
Ch ild safety
trical capacitance measu red by the capaci­
tive passenger detection system and can
also fly around in an accident and cause
serious personal injury.
- Never place or use any electrical device
(such as a laptop, CD player, electronic
games device, powe r inverter or seat heat ­
er for child seats) on the front passe nger
seat if the device is connected to the 12-
vo lt socket or the cigarette lighter soc ket.
- If a seat heate r has been retrofitted or
othe rw ise added to t he front passenger
seat, neve r insta ll any child res traint sys­
tem on this seat.
- Make su re that there a re no wet objects
(s uch as a we t towe l) and no w ater or ot h­
er liquids on the front passenger seat
cushion .
- Always m ake sure tha t the
PASSENGER
AIR BAG OFF,;;
light comes on and stays
on all the time whenever the ignition is
switched on .
- Never install a forward -facing chi ld safety
seat on the front passenger seat if the
PASSENGER AIR BAG OFF ~ ; light does
not turn on and stay on. Have the system
inspected immediately by an author ized
Audi dealer or authorized A udi Service Fa ­
c ility .
- Always buckle the child seat firmly in
place even if a child is not s itting in it . A
loose child seat can fly aro und during a
sudden stop or in a collision.
- Always read a nd heed all WARNINGS
whenever using a child rest raint in a vehi­
cl e
9 page 189, Safety bel ts, 9 page 196,
Airbag system
and ~ page 218, Impor­
tant information.
(j) Tips
A lways replace child restraints that were in­
stalled in a vehicle du ring a c rash. Damage to
a child restrain t th at is not v is ible could cause
i t to fai l in another co llision situat ion .
219

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seat if the device is connected to the 12-
volt socket or the cigarette lighter socket.
- If a seat heater has been retrofitted or
otherwise added to the front passenger
seat, never install any child restraint sys­
tem on th is seat.
- Make sure that there are no wet objects
(such as a wet towel) and no water
or oth­
er liqu ids on the front passenger seat
cushion.
- Never place objects on the seat (such as a
laptop, CD player, electronic games de­
vice, power inverter or seat heater for
child seats). These may influence the elec­
tr ica l capacitance measured by the capaci­
tive passenge r detection system and can
also fly around in an accident and cause
serio us personal i njury.
- Always buckle the child safe ty seat firmly in
place even if a child is not sitting in it. A
loose child safety seat can fly around during
a sudden stop or in a collision .
-Always read and heed all WARNINGS when"
ever using a child restrained in a veh icle is
being used¢
page 189, Safety belts,
¢page 196, Airbag system
and
¢ page 218, Child safety.
A WARNING
To reduce the risk of serious in jury, make sure
that the PASSENGER AIR BAG OFF~; light
comes on and stays on wheneve r a child re­
st raint is ins talled on the front passenger seat
and the ignition is sw itched on.
- Never ins tall a reward facing ch ild safety
seat on the front passenger seat if the PAS­
SENGER AIR BAG OFF~; ligh t does not
t u rn on and stay on.
- Have the airbag system inspected by your
authori zed Aud i deale r im mediately.
Ch ild sa fety
Child seats
Infant seats
Babies and infants up to about one year old and
20 lbs or
9 kg need special rearward-facing child
restraints that support the back, neck and head
in a crash .
Fig . 17 1 Rearwa rd-facing infant seat, prope rly installed on
the passenger seat
.,. When us ing the vehicle safety belt to install a
child safety seat, yo u must first activate the
convertib le lo ckin g re tractor on the safety belt
to p revent the ch ild safety seat from moving
¢ page 227.
.,. Push the ch ild safety seat down with your full
weight to get the safety belt really tight so that
the seat cannot move forward and sideways
more than 1 in (2.5 cm).
Infants up to about one year (20 lbs or 9 kg) are
best protected in special infant carriers and child
safety seats designed for their age group. Many
experts be lieve that infants and small ch ildren
should ride only in special restraints in wh ich the
child faces the back of the vehicle . These infant
seats support the baby's back, neck and head in a
cr ash
¢fig. 171.
A WARNING
Not using a child sa fe ty seat, using t he wrong
chi ld safety seat or imprope rly inst alling a
chi ld restraint increases the risk of ser ious
personal injury and death in a crash.
- Never install a rear -fac ing ch ild rest raint in
the forward-facing direction. Such restraints
are des igned for the special needs of infants
and very small children and cannot protect
them proper ly if the seat is forward-facing.
223

Child safety
-Never install a rearward facing child safety
seat on the front passenger seat unless the
PASSE NGER AIR BAG OFF,;; light comes
on and stays on. If the
PA SSEN GE R AIR
BAG OFF ,;;
light does not come on and stay
on the inf lating airbag w ill hit the child safe­
ty seat or infant ca rr ier with great force and
will smash the chi ld safety seat and chi ld
against the backrest, center armrest, door
or roof. Have the airbag system inspected
immediately by your Audi dealer.
- Never place or use any electrical device
(such as a laptop, CD player, electronic
games device, power inverter or seat heater
for child seats) on the front passenger seat
if the device is connected to the 12-volt
socket or the cigarette lighter socket.
- If a seat heater has been retrof itted or oth­
erwise added to the front passenger seat,
never install any ch ild restraint system on
this seat .
- Make sure that there are no wet objects
(such as a wet towel) and no water or other
liquids on the front passenger seat cushion.
- Never place objects on the seat (such as a
laptop, CD player, electronic games dev ice,
power inverter or seat heater for child
seats). T hese may influence the e lectr ica l
capacitance measured by the capaci tive pas­
senger detection system and can also fly
around in an accident and ca use serious per ­
sonal injury.
- Always read and heed all WARN INGS when­
ever using a child restrained in a vehicle is
being used
Q page 189, Safety belts,
¢ page 196, Airbag system
and
¢ page 218, Important information.
224
Convertible child safety seats
Properly used convertible child safety seats con
help protect toddlers and children over age one who weigh between 20 and 40 lbs (9 and 18 kg)
in a crash .
.... a,
Fig. 1 72 Sche matic overv iew : installat ion of t he seat using
the vehicle's safety belt system
""When using the vehicle safety belt to install a
child safety seat, yo u must first act ivate the
convertib le locking retractor on the safety belt
t o prevent the chi ld safety seat from moving
¢ page 227.
"" Push the chi ld safety seat down with your full
weight to get the safety belt really tight so that
the seat cannot move forward or sideways
more than 1 in (2.S cm)¢
page 227.
A toddler or child is usua lly too large for an in­
fant restraint if it is more than one year old and
weighs more than 20 lbs (9 kg).
Toddlers and children who are older than one
year up to about 4 years old and weigh more than 20 lbs (9 kg) up to 40 lbs (18 kg) must always be
properly restrained in a child safety seat certified
for their size and we ight and ¢
fig. 172 .
A WARNING
Not using a child safety seat, using the wrong
chi ld safety seat or imprope rly installing a
chi ld restrain t inc reases the risk of ser ious
personal injury an d death in a co llision or oth­
e r emergency s ituation.
- Ch ild ren on t he front seat of a ny car, eve n
w it h Advanced Airbags, can be seriously in­
jured or even kill ed when an airbag inflates .
A child in a rearward-facing ch ild safety seat
installed on the front passenger seat will be .,.

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seriously injured and can be killed if the
front airbag inflates -even with an Ad­
vanced Airbag System.
- The inflating airbag will hit the child safety
seat or infant carrier with great force and
will smash the child safety seat and child
against the backrest, center arm rest, door
or roof.
- Never install a rearward facing child safety
seat on the front passenger seat unless the
PASSENGER AIR BAG OFF~; light comes
on and stays on.
If the PASSENGER AIR
BAG OFF ~;
light does not come on and stay
on have the airbag system inspected imme­
diately by your Audi dealer.
- The rear side of the child safety seat should
be positioned as close as possible to the
backrest on the vehicle seat.
- Always read and heed all WARNINGS when­
ever using a child restrained in a vehicle is
being used¢
page 189, Safety belts,
¢ page 196, Airbag system and
cc> page 218, Important information.
&_ WARNING
If exceptional circumstances require the use
of a forward-facing child restraint on the
front passenger's seat, the child's safety and
well-being require that the following special precautions be taken:
- Make sure the forward-facing seat has been designed and certified by its manufacturer
for use on a front seat with a passenger
front and side airbag .
-Always follow the manufacturer's instruc­
tions provided with the child safety seat or
infant carrier.
- Always move the front passenger seat into
the rearmost position of the passenger seat's fore and aft adjustment range, and as
far away from the airbag as possible before
installing the child restraint.
- Always make sure that nothing prevents the
front passenger's seat from being
moved to
the rearmost position in its fore and aft ad­
justment range.
Child safety
- Always make sure the backrest is in an up­
right position.
- Never place or use any electrical device
(such as a laptop, CD player, electronic
games device, power inverter or seat heater
for child seats) on the front passenger seat
if the device is connected to the 12-vott
socket or the cigarette lighter socket.
- If a seat heater has been retrofitted or oth­
erwise added to the front passenger seat, never install any child restraint system on
this seat.
- Make sure that there are no wet objects
(such as a wet towel) and no water or other
liquids on the front passenger seat cushion.
- Never place objects on the seat (such as a
laptop, CD player, electronic games device,
power inverter or seat heater for child
seats). These may influence the electrical
capacitance measured by the capacitive pas­
senger detection system and can also fly
around in an accident and cause serious per­
sonal injury.
- Make sure that the
PASSENGER AIR BAG
OFF
IJ,;; light comes on and stays on all the
time whenever the ignition is switched on.
- If the
PASSENGER AIR BAG OFF ,,,; light
does not come on and stay on have the air­
bag system inspected by your authorized
Audi dealer .
Booster seats and safety belts
Properly used booster seats can help protect
children weighing between about 40 lbs and
80 lbs (18 kg and 36 kg) who are less than 4 ft
9
in (57 in/1.45 m) tall.
Fig. 173 Passenger seat: chil d properly restrained in a
booster seat
225

Wheels
able to provide you with more in­
formation.
® Mud and snow capability
"M/S" or "M+S" indicates the tire
has properties making it suitable
to drive in mud or snow.
& indi­
cates a w inter t ire.
@ Compos ition of the tire cord
and materials
The number of plies indicates the
number of rubberized fabric lay­
ers in the tire . In general: the
more layers, the more weight a
tire can carry. Tire manufacturers must also specify the materia ls
used in the tire. These include
steel, nylon, polyester and other
materials .
@ Maximum permitted load
This number indicates the maxi ­
mum load in k ilograms and
pounds that the tire can carry.
@ Uniform tire quality grade
standards for treadwear,
traction and temperature
resistance
Tread wear, t raction and temper ­
ature ranges ¢
page 262.
248
@ Running direction
~ Maximum permitted
inflation pressure
This number indicates the maxi ­
mum pressure to wh ich a t ire can
be inflated unde r normal operat­
ing condit ions .
Glossary of tire and loading
terminology
Accessory weight
means the combined weight (in
excess of those standard items
which may be replaced) of auto­
matic transmission , power steer­
ing , power brakes , power win­
dows, power seats , radio, and
heater, to the extent that these
items a re available as fac tory-in­
stalled equipment (whet her in ­
stalled or no t).
Aspect ratio
means the rat io of the height to
the width of the tire in pe rcent.
Numbers of 55 or lower indicate a
low sidewall fo r imp roved steer­
ing response and better overa ll
handling on dry pavement .
Bead
means the part of the tire that is
made of steel wires, wrapped or ...

Fuses and bulbs
Interior fuse assignment
Fig. 208 Vehicle inter ior: fuse assignme nt
No. Equipment
Fl Power top control modu
le (Roadster)
F2 Power top control module (Roadster)
F3 ESC control module
F4 Central computer processor (MIB-2)
FS Gateway
F6 Anti-theft alarm system Climate control system, selector lever (au-
F7 tomatic transmission), parking heater,
rear window heater relay coil
Diagnos is, electrical parking brake switch,
F8 light swi tch, rain/light sensor, interior
lighting
F9 Steering column switch module
Fl0 Display
F ll Haldex clutch
F12 MMI area
F 13 Adaptive dampers control module
F14 Climate control system blower
FlS Electronic steering co lumn lock
F16 MMI components, safety be
lt microphone
(Roadster)
282
No . Equipment
F17 Instrument cluster
F18 Rearview camera
F19 Convenience key system control module
F20 Power lumbar support adjustment
F22 Front passenger's side neck heating (Road-
ster)
F23 R
ig ht exterior lighting, on-board compute r
(right)
F 25 Driver's s
ide door (for example power win-
dows)
F26 Seat heating
F28 AMI H igh med ia port
F29 On-board computer
F31 Left on-board computer
F32 Driver assistance systems
F33 Airbag
Socket relay, interior sound, back-up light
F34 switch, temperature sensor, oil level sen-
sor
Diagnosis, headlight range control system,
F35 air quality sensor, automatic dimming
rearview mirror
F36 Right cornering light/ r ight LED-h eadlight
F37 Left cornering light/ left LED-headlight
F38 E
ng ine control module, ESC control mod-
ul e
F39 Front passenger's side door (for example
power windows)
F40 Cigarette lighter, sockets
F41 SCR relay and delivery unit
F42 Central locking area
F43 On-board computer
F45 Power adjustable driver's side seat
F46 Driver's side neck heat ing (Roadster)
F49 Starter, clutch sensor
FS0 ESC valves
F53 Rear window defogger
The power seats* are protected v ia
circuit break­
ers
that automatically switch on after a few sec­
onds after the overload has been reduced.