2015 AUDI TT ROADSTER sensor

-Always make sure that the knee airbag
can inflate without interference. Objects
between you and the airbag can increase
the risk of injury in an accident by inter­
fering 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 de­
ploys, this can result in serious or fatal
injuries.
- Never carry objects of any kind in the
footwell area in front of the driver's or passenger's seat. Bulky objects (shop­
ping bags, for example) can interfere
with or prevent proper deployment of
the airbag. Small objects can be
thrown through the vehicle if the air­
bag deploys and injure you or your pas­
sengers.
- Make sure there are no cracks, deep
scratches or other damage in the area of
the instrument panel where the knee air­
bags are located.
- If children are incorrectly seated, their
risk of injury increases in a collision
Q page 129, Child Safety.
Side airbags
Description of side airbags
The airbag system can provide supplemental
protection to properly restrained front seat occupants.
Fig . 116 Side airbag location in the driver 's seat
The s ide airbags are located in the sides of the
front seat backrests
¢ fig. 116facing the
Airbag system 125
doors. They are identified by the word "AIR­
BAG".
The side airbag system basically consists of:
- the electron ic control module and external
side impact sensors
- the two side airbags located in the sides of the front backrests
- the airbag warning light in the instrument
cluster.
The airbag system is monitored electronically
to make certain that it is functioni ng properly
at all times. Each time you turn on the igni­
tion, the airbag system indicator light will
come on for a few seconds (self diagnostics).
The side airbag system supplements the safe­
ty belts and can help to reduce the risk of in­
jury to the driver's and front passenger's up ­
per torso on the s ide of the vehicle that is
struck in a side collision. The airbag deploys in
side impacts and only when the vehicle accel­
eration registered by the control unit is high
enough. If this rate is below the reference val­
ue programmed into the control unit, the side
airbags will not be triggered, even though the
car may be badly damaged as a result of the
collision . It is not possible to define an airbag
triggering range that will cover every possible
angle of impact, since the circumstances will
vary considerably between one collision and
another. Important factors include, for exam­
ple, the nature (hard or soft) of the impacting
object, the angle of impact, vehicle speed,
etc.
¢ page 127, Important safety instruc­
tions on the side airbag system .
Aside from their normal safety function, safe­
ty belts work to help keep the driver or front
passenger in position in the event of a side
collision so that the side airbags can provide
protection.
The airbag system is
not a substitute for your
safety belt. Rather, it is part of the overall oc­
cupant restraint system in your vehicle. Al­
ways remember that the side airbag system
can only help to protect you if you are wearing
your safety belt and wearing it properly. This is another reason why you should always wear
IIJJ,

126 Airbag system
your safety belts, not just because the law re ­
quires you to do so¢
page 100, General
notes.
It is impor tant to remember that while the
supp lemental side airbag system is designed
to reduce the likelihood of serious injuries,
other injuries, for example, swelling, bruising,
and minor abrasions can also be associated
with deployed side airbags. Remember too,
side airbags will deploy only once and only in
certain k inds of acc idents -your safety belts
are a lways there to offer protect ion.
Vehicle damage, repair costs or even the lack
of vehicle damage are not necessari ly an indi­
cation of over-sensit ive or failed airbag activa­
tion . In some co llisions, both front and s ide
a irbags may inflate. Remember too, that air­
bags will deploy only once and only in certa in
kinds of co llisions -your safety belts are al­
ways there to offer protection in those acci­
dents in which airbags are not supposed to
deploy or when they have already deployed.
The side airbag system will not depl oy:
- when the ign ition is turned off
- i n s ide collisions when the accelerat ion
measured by the sensor is too low
- i n rear-end collisions
- in rollovers.
In some types of accidents the front airbags
and side airbags may be triggered together.
A WARNING
-Safety belts and the a irbag system will
only prov ide protection when occupants
are in the p roper seating posit ion
~page 127.
-If the airbag indicator light comes on
when the veh icle is being used, have the
system inspected immediately by your
au thori zed Audi dealer. The a irbag may
not work properly when the vehicle ac­
celeration in a side co llision is h igh
enough to activate the airbag.
-
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.
F ig . 1 17 Inflated side airbags on left side of veh icle
When the system is triggered, the airbag is
filled with propellant gas and breaks through a seam in the seat surface area marked "AIR­
BAG".
It expands between the side trim panel
and the passenger. In order to help provide
th is additional protection, the side airbag
must inflate w ithin a fraction of a second at
very h igh speed and with great force. The sup­
pleme nta l side airbag could injure you if your
seat ing pos it ion is not proper or upright or if
items are loca ted in the area where the s up­
plementa l side airbag expands. This applies
especially to children¢
page 129, Child Safe­
ty .
Supplemental side airbags inflate between
the occupant and the door panel on the side
of the vehicle that is struck in certain side col­
lis ion ¢
fig. 117.
Although they are not a soft pillow, they can
"cushion" the impact and in this way they can
help to reduce the risk of injury to the upper
part of the body.
A fine dust may deve lop when the airbag de­
ploys. This is normal and does not mean there
is a fire in the vehicle.

Important safety instructions on the
side airbag system
Airbags are only supplemental restraints. Al­
ways properly wear safety belts and ride in a
proper seating position.
There is a lot that you and your passengers
must know and act accordingly to help the
safety belts and airbags do their job to pro­
vide supplemental protection .
A WARNING
An inflating side airbag can cause serious
or fatal injury. Improperly wearing safety
belts and improper seating positions in­
crease the risk of serious personal injury
and death whenever a vehicle is being
used .
- In order to reduce the risk of injury when
the supplemental side airbag inflates:
-Always sit in an upright position and
never lean against the area where the
supplemental side airbag is located.
- Never let a child or anyone else rest
their head against the side trim panel
in the area where the supplemental
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 without interference.
- Never install seat covers or replace ­
ment upholstery over the front seat­ backs that have not been specifically
approved by Audi.
- Never use additional seat cushions that
cover the areas where the side airbags
deploy.
- Damage to the original seat covers or
to the seam in the area of the side air­ bag module must always be repaired
immediately by an authorized Audi
dealer.
Airbag system 127
- Objects between you and the airbag can
increase the risk of injury in an accident
by interfering with the way the airbag
unfolds or by being pushed into you as
the airbag inflates.
- Never place or attach accessories or
other objects (such as cup holders, tel­ ephone 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 be­ come dangerous projectiles and cause injury when the supplemental side air­
bag deploys.
- Never carry any objects or pets in the
deployment space between them and
the airbags or allow children or other passengers to travel in this position .
- Always prevent the side airbags from be ­
ing damaged by heavy objects knocking
against or hitting the sides of the seat­ backs.
- The airbag system can only be triggered
once . If the airbag has been triggered,
the system must be replaced by an au­
thorized Audi dealership.
- Damage (cracks, deep scratches etc.) to
the original seat covers or to the seam in
the area of the side airbag module must
always be repaired immediately by an au­
thorized Audi dealer.
- If children are seated improperly , their
risk of injury increases in the case of an
accident
c:> page 129, Child Safety.
- Never attempt to modify any compo­
nents of the airbag system in any way .
- In a side collision, side airbags will not
function properly if sensors cannot cor­
rectly measure increasing air pressure in­
side the doors when air escapes through
larger , unclosed openings in the door
panel.
- Never drive with interior door trim pan­
els removed.
- Never drive when parts have been re­
moved from the inside door panel and
•
•

130 Child Safety
8_ WARNING
If, in exceptional circumstances, you must
install a forward-facing child restraint on
the front passenger's seat:
- Always 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 in­
structions provided with the child safety
seat or carrier.
-Always move the passenger seat into its
rearmost position in the seat's fore and
aft adjustment range, as far away from
the airbag as possible before installing
the child restraint. The backrest must be adjusted to an upright position.
- Always make sure that the
PASSENGER
AIR BAG OFF
light comes on and stays
on all the time whenever the ignition is
switched on.
(D Tips
Always replace child restraints that were
installed in a vehicle during a crash. Dam­
age to a child restraint that is not visible
could cause it to fail in another collision
situation.
Advanced front airbag system and children
Your vehicle is equipped with an "Advanced
Airbag System" in compliance with United
States Federal Motor Vehicle Safety Standard
(FMVSS) 208 as applicable at the time your
vehicle was manufactured.
The Advanced Airbag system in your vehicle
has been certified to meet the "low-risk " re­
quirements for 3- and 6-year old children on
the passenger side and small adults on the
driver side. The low risk deployment criteria
are intended to reduce the risk of injury
through interaction with the airbag that can
occur, for example, by being too close to the
steering wheel and instrument panel when
the airbag inflates. In addition , the system has been certified to comply with the "sup­
pression" requirements of the Safety Stand­
ard, to turn off the front airbag for infants up
to 12 months who are restrained on the front
passenger seat in child restraints that are list­
ed in the Standard.
Even though your vehicle is equipped with an
Advanced Airbag system, a child should al­
ways ride in the seat properly restrained for
its age and size. The airbag on the passenger
side makes the front seat a potentially dan­
gerous place for a child to ride. The front seat
is not the safest place for a child in a forward­
facing child safety seat. It can be a very dan­
gerous place for an infant or a larger child in a
rearward-facing seat.
Advanced Airbags and the weight­
sensing mat in the front seat
The Advanced Airbag System in your vehicle
detects the presence of an infant or child in a
child restraint on the front passenger seat us­
ing the weight-sensing mat in the seat cush­
ion and the sensor below the safety belt latch
on the front passenger seat that measures the
tension on the safety belt.
The weight-sensing mat measures total
weight of the child and the child safety seat
and a child blanket on the front passenger
seat. The weight on the front passenger seat
is related to the design of the child restraint
and its "footprint", the size and shape of the
bottom of the child restraint as it sits on the
seat. The weight of a child restraint and its
"footprint" vary for different kinds of child re­
straints and for the different models of the
same kind of child restraint offered by child
restraint manufacturers.
The weight ranges for the individual types,
makes and models of child restraints that the
NHTSA has specified in the Safety Standard
together with the weight ranges of typical in­
fants and typical 1 year-old child have been
stored in the control unit of the Advanced Air­
bag System. When a child restraint is being
used on the front passenger seat with a .,..

typical 1 year-old chi ld, the Advanced Airbag
System compares the weig ht meas ured by the
weight sensing mat with t he informat ion stor­
ed in the electron ic control unit.
The electronic control unit a lso registers the
tension on the front passenger safety be lt.
The tens ion on the safety belt for the front
passenger seat will be different for an adult
who is properly using the safety belt as com­
pared to the tension on the be lt when it is
used to attach a child restraint to the seat.
The sensor below the latch for the safety be lt
for the front seat passenger measu res the
tension on the be lt. T he inp ut from this sen­
sor is then used with the we igh t to "decide",
whether there is a chi ld restraint with a typica l
1 year-old child o n the front passenger seat
and whether or not the airbag must be turned
off.
Child restraints and Advanced Airbags
Regardless of the child restraint that you use,
make sure that it has been ce rtified to meet
United States Federal Motor Vehicle Safety
Standa rds and has been certified by its manu­
facture r fo r u se wi th a n air bag. If in excep­
tional c ircu ms tances you m ust use it on the
front passenger seat, caref ully read all of the
i n formation on c hild safety and Advanced Air­
bags and heed all of the app licable WARN­
INGS. Make certain that the child restraint is
correctly recognized by the weig ht-sensing
mat inside the front passenger seat, that the
fro nt passenger airbag is tur ned off and that
the airbag status is a lways correctly signaled
by the
PASSENGER AIR BAG OFF light.
Many types and models of child restra ints
h ave been ava ilable over the years, new mod­
e ls are introduced regularly incorporating new
and improved designs a nd older models a re
t aken out of p rod uction. Child restrain ts are
not standardized . Ch ild restra ints o f the same
type typically have different weights and sizes
and diffe rent 'footprints,' the size and shape
of the bottom of the child restraint that sits
on the seat, when they are installed on a vehi­
cle seat. These differences make it virtually
Child Sa fet y 131
impossible to certify comp liance with the re ­
quirements for advanced airbags with eac h
and every child restra int that has ever been
sold in the past or will be sold over the course
of the useful life of your veh icle.
Fo r th is reason, the United States National
Highway Traffic Safety Adm inistrat ion has
published a list of spec ific type, makes and
models of child restraints that must be used
to certify compliance of the Advanced Airbag
System i n your veh icle with the suppression
requirements of Federal Motor Vehicle Safety
Standard 208. These child re straints are:
Subpart A -Car bed child restraints
Model Manufactured on or
after
Angel Guard Angel September 2S, 2007 R ide AA 2403FOF
Subpart B - Rear-facing child restraints
Model Manufactured on or
after
Ce ntury Smart Fit Decembe r 1, 1999
4S 43
Cosco Ar riva September 2S, 2007
22-013PAW and base
22-999WHO
Evenflo Discovery Ad -December 1, 1999
just Right 212
E ven flo First Choice Decembe r 1, 1999
20 4
Graco Infant 8457 December 1, 1999
Graco Snugride September 25, 2007
Peg Perego Primo Vi- September 25, 2007
aggio SIP IMUNOOUS
Subpart C -Forward-facing and
convertible child restraints
Model Manufactured on or
after
Br itax Roundabout September 2S, 2007
E 9L02xx
Cosco Touriva 02519 December 1, 1999
•
•

154 Vehicle care and cleaning
Vehicle care and
cleaning
General information
Regular, proper care helps to maintain your
vehicle 's value. It can also be a requirement
when subm itting warranty claims for corro ­
sion damage and paint defects on the body .
The required cleaning and care products can be obtained from your authorized Audi dealer
or a qualified workshop. Read and follow the instructions for use on the packaging .
A WARNING
-Us ing cleaning and care products incor­
rectly can be dangerous to your hea lth .
- Always store cleaning and care products
out of reach of children to reduce the ris k
of poisoning.
@ For the sake of the environment
-Preferably use environmentally-friendly
products when buying cleaning agents .
- Do not d ispose of leftover cleaning and
ca re products with household trash .
Car washes
-
The longer that deposits such as insects, bird
droppings , tree sap or road salt rema in on the
vehicle, the more the surface can be dam­
aged. High temperatures such as those
caused by s unligh t increase the corrosive ef­
fect.
Before washing, wet heavy deposits with plen­
ty of water.
Also, wash the underside of your vehicle once
road salt stops be ing used for the season .
Pressure wa shers
When washing your vehicles with a pressure
washer, always follow the operating instruc­
tions provided w ith the pressure washer. Th is
is especially important in regard to the pres ­
sure and spray ing distance . Do not aim the
spray directly at seals on side w indows, doors, the
hood, the rear lid or the convertible top or
at tires, rubber hoses, insulating material
orsensors* . Keep a distance of at least 16 in ­
ches (40 cm) .
Do not remove snow and ice with a pressure
washer.
Never use rotary nozzles or high pressure noz­
zles.
The water temperature must not be above
140
°F (60 °() .
Automatic car washes
Spray off the vehicle before washing.
Make sure that the windows are closed and
the windshie ld wipers are off. Follow instruc­
tions from the car wash operator, especially if
there are accessories attached to your vehicle .
If possible, use car washes that do not have
brushes .
Washing by hand
Clean the vehicle starting from the top and
working down using a soft sponge or cleaning
brush . Use solvent-free cleaning products.
Washing vehicles with matte finish paint
by hand
To avoid damaging the paint when washing,
first remove dust and large particles from
your vehicle. Insects, grease spots and finger­
prints are best removed with a special cleaner
for matte finish paint .
Apply the product using a microfiber cloth. To
avoid damaging the paint surface, do not use
too much pressure.
Rinse the vehicle thoroughly with water. Then
clean using a neutra l shampoo and a soft mi ­
crofiber cloth.
Rinse the vehicl e thoroughly again and let it
air dry. Remove any water residue using a sham my.
Stubbo rn deposits such as bird droppings o r
tree sap are best removed with p lenty of wa-
ter and a microfiber cloth. .,.

Vehicl e ca re a nd cl eanin g 155
& WARNING
-Only wash the vehicle when the ignition
is off and follow the instructions from
the car wash operator to reduce the risk
of accidents.
- To reduce the risk of cuts, protect your­
self from sharp meta l components when
washing the underbody or the inside of
the wheel housings.
- After washing the vehicle, the braking ef­
fect may be delayed due to moisture on
the brake rotors or ice in the winter . The
brakes must be dried first with a few
careful brake applicat ions .
{[) Note
-If you wash the vehicle in an automatic
car wash, you must retract the extend a­ ble rear spo iler* if necessary, and fold
the exte rior m irrors in to reduce the risk
of damage. Power folding exterior mir­ rors* must only be folded in and out us­
i ng the power folding function .
- To prevent pa int damage, do not wash
the veh icle in direct sunlight.
- To reduce the risk of damage, do not
wash the power top with a p ressure
washer. -
To reduce the r isk of damage, do not
wash decorative decals * with a pressure
washer.
- To reduce the risk of damage to the sur­
face, do not use insect removing spong­
es, kitchen sponges or similar items.
- Matte finish painted vehicle compo­
nents:
- To reduce the risk of damage to the
surface, do not use polishing agents or hard wax.
- Never use car wash cycles that apply
protective wax.
It can destroy the
matte fi nish effect.
- Do not place any stickers o r magnet ic
signs on vehicle parts painted w ith
matte fin ish paint. The paint cou ld be
damaged when the stickers o r magnets
are removed.
@ For the sake of the environment
Only wash the vehicle in facilities spec ia lly
designed for that purpose. This will reduce
the risk o f dirty water contaminated with
oil from entering t he sewer system.
Cleaning and care information
When clean ing and caring for individual vehi ­
cle components, refer to the fo llow ing tab le.
The information contained there is simp ly rec ­
ommendations. For questions or for compo- nents that are not listed,
refer to an author­
ized Audi dea ler or a qualified workshop. Also
follow the information found in ~ .&. -
Clean in g e xterior
Component Situ ation Solution
Wiper bl ade s
Dirty ~ page 5 6, Cleaning windshield wiper blades
Hea dligh ts/ Dirty Soft sponge with a mild soap solution al
tail ligh ts
Sen sor s
Dirty Sensors: soft cloth w ith a solvent-free cleaning product
Camera lenses: soft cloth with an alcohol-free cleaning
solution
Snow/ice Hand brush/so
lvent-free de-icing spray
•
•
...

172 Checking and filling
Checking the engine coolant level
The engine coolant level can be checked with
a quick glance.
F ig. 132 Eng ine compartme nt: cover on the coo lant
expansion tank
Before you check anything in the engine com­
partment,
a lway s read and he ed a ll WARN­
ING S o .A in Working in the engine compart­
ment on page 164.
., Park your vehicle on a level surface.
., Switch the ign ition
off .
., Read the coolant level at the coolant expan­
sion tank
opage 166, fig . 128. With a cold
engi ne, it must be above the "min" mark.
With a hot engine, it can be a l ittle above
the indicated range.
The location of the coolant expans ion tank
can be seen in the engine compartment illus­
tration
o page 166.
To obtain an accurate read ing, the eng ine
must be sw itched
off.
The expans ion tank in your vehicle is equipped
with an electric coolant level sensor.
When the coolant level is too low, the warning
light in the Auto-Check System
opage 17will
illum inate until you add coolant and the level
has been restored to normal. Even thoug h
there is an electric coolant level sensor, we
still recommend you check the coolant leve l
from time to t ime.
Coolant lo ss
Coolant loss may indicate a leak in the cooling
system. In the event of coolant loss, the cool­
ing system should be inspected immediately by your authorized Audi dea
ler .
It is not
enough merely to add coo lant .
In a
seal ed system, losses can occu r on ly if
the boi ling po int o f the coo lan t is exceeded as
a res ult of overheating.
(D Note
Do n ot add any type o f radiator leak se al­
ant to your veh icle's engine coo lant. Add ­
i ng radiator repa ir fl uid may adverse ly af ­
fect the functio n and performance of you r
cooling system and could result in damage
not cove red by your New Veh icle l imited
Warranty.
Adding coolant
Be very careful when adding engine coolant.
Before you check anyth ing in the engine com ­
partment,
a lways read and heed all WARN­
INGS o .A in Working in the engine compart­
ment on page 164.
Req uirement: There m ust be a res idual
amount of coo lant in the expansio n tank
o (D .
., Tur n off the engi ne .
., le t t he eng ine cool down.
., Place a thick rag ove r the coolant expansion
tank
o page 172, fig. 132 and carefully
twist the cap counter-clockwise o _A .
., Add coolant m ixed in the correct ratio
o page 171, Coolant up to the MAX mark­
ing.
.. Make sure that the flu id level remains sta-
b le. Add more coo lant if necessary.
., Twi st the cap o n aga in
tightly.
Replacement engine coo lant must conform to
exact spec ificat ions
o page 171, Coolant .
We recommend using only coolant addit ive
Gl2++, Gl3 or in an emergency Gl2+. Do
not
use a different add itive . In an emergency use
plain water until you can get the co rrect addi­
t ive and can resto re the correct ratio. This
sho uld be done as soon as poss ib le.