weight AUDI TT ROADSTER 2017 User Guide

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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 .,.

Child safety
The vehicle's safety belts alone will not fit most
childr en until they are at least 4
ft 9 in (57 in/
1.45 m) tall and weigh about 80 lbs (36 kg) .
Booster seats raise these children up so that the
safety belt will pass properly over the s tronger
parts of their bodies and the safety belt can help
protect them in a crash .
"' Do not use the convertible locking retractor
when using the vehicle's safety belt to restrain
a child on a booster seat .
"'The shoulder belt must lie as close to the cen­
ter of the child's collar bone as possible and must lie flat and snug on the upper body.
It
must never lie across the throat or neck. The
lap belt must lie across the pelvis and never
across the stomach or abdomen. Make sure the
belt lies flat and snug . Pull on the belt to tight ­
en if necessary .
Children up to at least 8 years old (over 40 lbs or
18 kg) are best protected in child safety seats de­
signed for their age and weight. Experts say that
the skeletal structure, particularly the pelvis, of
these children is not fully developed, and they
must not use the vehicle safety belts without a
suitable child restraint.
It is usually best to put these children in appro­
priate booster seats. Be sure the booster seat
meets all applicable safety standards.
Booster seats raise the seating position of the
child and reposition both the lap and shoulder
parts of the safety belt so that they pass across
the child's body in the right places . The routing of
the belt over the child's body is very important
for the child's protection, whether or not a boos­
ter seat is used.
Never use the lap belt portion of the vehicle 's
safety belt alone to restrain any child, regardless
of how big the child is. Always remember that
children do not have the pronounced pelvic struc­
ture required for the proper function of lap belt
port ion of the vehicle's three point lap and
shoulder belts . The child's safety absolutely re­
quires that a lap belt portion of the safety belt be
fastened snugly and as low as possible around the pelvis. Never let the lap belt portion of the
226
safety belt pass over the child's stomach or abdo­
men.
In a crash, airbags must inflate w ithin a blink of
an eye and with considerable force. In order to do
its job, the airbag needs room to inflate so that it
will be there to protect the occupant as the occu­
pant moves forward into the airbag.
A vehicle occupant who is out of pos it ion and too
close to the airbag gets in the way of an inflating
airbag. When an occupant is too close, he or she
will be struck vio lently and w ill receive serious or
possibly even fatal injury.
In order for the airbag to offer protection, it is
important that all vehicle occupants , especially
any ch ildren, who must be in the front seat be­
cause of exceptional circumstances, be properly
restrained and as far away from the airbag as
possible. By keeping room between the child 's
body and the front of the passenger compart­
ment, the airbag can inflate completely and pro­
vide supplemental protection in certa in frontal
collisions.
,&. WARNING
Not using a booster seat, using the booster
seat improperly, incorrect ly installing a boos­
ter seat or using the vehicle safety belt im­
proper ly increases the risk of serious personal
injury and death in a collision or other emer­
gency situation. To help reduce the risk of se­
rious personal injury and/or death:
- The shoulder belt must lie as close to the
center of the child's collar bone as possible
and must lie flat and snug on the upper
body . It must never lie across the throat or
neck . T he lap belt must lie across the pelvis
and never across the stomach or abdomen.
Ma ke sure that the be lt lies flat and snug.
Pull on the belt to tighten if necessary.
- Failure to properly route safety belts over a
child's body will cause severe injuries in an
accident or other emergency situation
<=> page 189.
- The rear side of the chi ld safety seat should
be positioned as close as possible to the
backrest on the veh icle seat.
-

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~ Route it around or through the child restraint
belt path
¢ .&_.
~ Push the child safety seat down with your full
weight to get the safety be lt really tight.
~ I nsert the belt tongue into the buckle for that
seating position .
~ Guide the safety belt back into the retractor un­
t il the belt lies flat and snug on t he chi ld safety
seat.
~ You should hear a "clicking" no ise as the belt
winds back into the inertia reel. Test the con­
vertib le locking retractor by pu lling on the belt .
You should no longer be able to pu ll the belt
out of the retractor. The convertible locking re­
tractor is now activated .
~ Make sure that the red release button is facing
away from the child restraint so that it can be
unbuckled qu ickly.
~ Pullon the belt to make sure the safety belt is
properly tig ht and fastened so that the seat
cannot move forward and s ideways more than
1 in (2 .5 cm) .
A WARNING
Using the wrong child restraint or an improp­
erly installed child restraint can cause serious
personal injury or death in a crash.
- Always make sure that the safety belt re-
tractor is locked when install ing a child
safety seat. An unlocked safety belt retrac­
tor cannot hold the child safety seat in place
dur ing normal driving or in a crash .
- Always buckle the child safety 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 crash.
-Always make sure the seat backrest to which the ch ild restraint is installed is in an up­
right position. Othe rw ise, the seatback with
the ch ild safety seat attached to it could fly
forward in the event of an accident o r other
emergency sit uation .
- Always read and heed all WARN INGS when­
ever using a child res trained in a veh icle is
being used
¢ page 218. Spec ia l precautions
apply when installing a child safety seat on
the front passenger seat ¢
page 19 7, Child
Child safety
restraints on the front seat -some impor­
tant things to know.
Deactivating the convertible locking
retractor
The convertible locking retractor for child re­
straints will be deactivated automatically when
the belt is wound all the way back into the re­
tractor .
~ Press the red button on the safety belt buckle.
The belt tongue will pop out of the buckle.
~ Guide the safety belt all the way back into its
stowed posit ion.
Always let the safety belt retract completely into its stowed posit ion. The safety belt can now be
u sed as an ord inary safety belt without the con­
vertible locking retractor for c hild restraints .
If the convertible locking retractor should be ac­
t ivated inadvertently, the safety belt must be un­
fastened and guided complete ly back into its
stowed pos ition to deactivate th is feature. If the
conve rtible locking retractor is not deactivated,
the safety be lt will g radually become t igh ter and
u ncomfortab le to wear.
A WARNING ,...___ -
Improperly installed child safety seats in­
crease the risk of serious personal injury and
death in a co llision.
- Never unfasten the safety belt to deactivate
the convertible locking retractor for child re­
stra ints wh ile the vehicle is moving. You
would not be restrained and could be seri­
ously injured in an accident .
- Always read and heed all WARNINGS when­
ever us ing a child restrained in a vehicle is
be ing used
¢ page 218. Special precautions
apply when instal ling a child safety seat on
the front passenge r seat¢
page 197, Child
restraints on the front seat -some impor­
tant things to know.
229

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 ...

a, a, .... N
" N .... 0
" V, a:,
reinforced by ply cords and that is
shaped to fit the rim.
Bead separation
means a breakdown of the bond
between components in the bead.
Cord
means the strands forming the
plies in the tire.
Cold tire inflation pressure
means the tire pressure recom­
mended by the vehicle man ufac­
turer for a tire of a designated
size that has not been driven for
more than a couple of miles (kilo­
meters) at low speeds in the
three ho ur period before the tire
pressure is measured or adjusted.
Curb weight
means the weight of a motor ve­
hic le with standard equipment in­
c lud ing the maximum capac ity of
fuel, oil, and coolant, a ir condi­
tioning and add itional weigh t of
optional equ ipment .
Extra load ti re
means a tire designed to operate
at higher loads and at h igher in­
flation pressures than the corre­
sponding standard tire . Extra load
tires may be ident ified as "XL",
Wheels
"xl" "EXTRA LOAD" or "RF" on , ,
the sidewall.
Gross Axle Weight Rating
("GAWR")
means the load-carrying capacity
of a single axle system, measured
at the tire-ground in terfaces.
Gross Vehicle Weight Rating
( " GVWR ")
means the maxim um total loaded
weight of the vehic le.
Groove
means the space between two ad ­
jacent tread ribs .
Load rating (code)
means the maxim um load that a
tire is rated to carry for a g iven in­
flation pressu re. You may not find
this informat ion on all tires be­
ca use it is no t requ ired by law.
Maximum load rating
means the load rating for a tire at
the maximum permissible infla­
tion pressure for that tire .
Maximum loaded vehicle
weight
means the sum of:
(a) Curb weight
(b) Accessory we ight
2 4 9
...

Wheel s
(c) Vehicle capaci ty weight, and
(d) Production options we ig ht
Maximum (permissible)
inflation pressure
means the maximum cold infla­
tion pressure to which a tire may be inflated . Also called "max i­
mum i nflation pressure ."
Normal occupant weight
means 150 lbs (68 kg) times the
number of occupants seated in
the vehicle up to the to tal seat ing
capacity of your vehicle .
Occupant distribution
means distribution of occupants
in a vehicle.
Outer diameter
means the overall diameter of an
inflated new tire.
Overall width
means the linear distance be­
tween the exteriors of the side ­
walls of an inflated tire, inc luding
e levations due to label ing, deco­
rations, or protective bands or
ribs .
Ply
means a layer of rubber-coated
parallel cords .
250
Production options weight
means the combined weight of
those installed regular product ion
options weighing over 5 lbs (2.3 kg) in excess of those standard
items which they replace, not pre­
viously considered in curb weight or accessory weight, including
heavy duty brakes , ride levelers,
roof rack, heavy duty ba ttery, a nd
special trim.
Radial ply tire
means a pneumatic tire in which
the ply cords that extend to the
beads are la id at substantially 90
deg rees to the centerline o f the
tread.
Recommended inflation
pressure
see ¢ page 249 , Cold tire infla­
tion pressure.
Reinforced tire
means a tire designed to operate
at higher loads and at higher in­
flation pressures than the corre­
sponding standard tire . Rein ­
forced tires may be identified as "XL", "xl", "EXTRA LOAD", or "RF"
on the s idewall. ...

Wheels
comparisons among tires. The
UTQG is not a safety rating and not a guarantee that a tire will
last for a prescribed number of
miles (kilometers) or perform in a
certain way. It simply gives tire
buyers additional information to
combine with other considera ­
tions, such as price, brand loyalty
and dealer recommendations. Un ­
der UTQG, tires are graded by the
tire manufacturers in three areas:
treadwear, traction, and tempera ­
ture resistance. The UTQG i nfor­
mation on the tires, molded into
the sidewalls .
U.S. DOT Tire Identification
Number (TIN)
This is the tire's "serial number".
It begins with the letters "DOT"
and indicates that the tire meets
all federal standards. The nex t
two numbers or letters indicate
the plant where it was manufac­
tured, and the last four numbers represent the week and year of
manufacture. For example,
DOT ... 2216 ...
means that the tire was produced
in the 22nd wee k of 2016. The
other numbers are marketing co­
des that may or may not be used
252
by the t ire manufacturer . This in­
formation is used to contact con­
sumers if a tire defect requ ires a
recall.
Vehicle capacity weight
means the rated cargo and lug­
gage load pl us 150 lbs (68 kg)
times the veh icle's designated
seating capacity.
Vehicle maximum load on the
tire
means that load on an individual
tire that is determined by distrib ­
uting to each axle its sha re of the
maximum loaded vehic le we ight
and dividing
by two.
Vehicle normal load on the tire
means that load on an individual
tire that is determined by d istrib­
ut ing to each axle its share of the
curb weight, accessory weight,
and normal occupan t weight (dis­
tr ibuted in accordance with
¢ ta­
ble on page 258) and d ividing by
two.
~

Wheels
Model/ Tire designation Tire pressure
Engine Normal load Maximum load
(up to 2 people)
front rear front rear
PSI
TT : 245/45 R17 95Y
2.0L High Performance
32
4-Cylinder 245/40 R18 93H
All Season
32
245/40 R18 93Y
High Performance 32
245/35 R19 93Y
High Performance
35
255/30 R20 92Y
High Performance
35
A WARNING
Please note the important safe­
ty precautions regarding tire pressure ¢
page 256 and load
limits¢
page 258.
Tires and vehicle load limits
There are limits to the amount of
load or weight that any vehicle
and any tire can carry. A vehicle
that is overloaded will not handle
well and is more difficult to stop .
Overloading can not only lead to
loss of vehicle control, but can al­
so damage important parts of the
vehicle and can lead to sudden
tire failure, including a blowout and sudden deflation that can
cause the vehicle to crash.
258
kPA PSI kPA
PSI kPA PSI kPA
220 29 200 33 230 30 210
220 29 200 33 230 30 210
220 29 200 33 230 30 210
240 32 220 35 240
32 220
240 32 220 38 260 32 220
Your safety and that of your pas­
sengers also depends on making
sure that load limits are not ex­
ceeded. Vehicle load includes ev­
erybody and everything in and on
the vehicle. These load limits are
technically referred to as the vehi­
cle's
Gross Vehicle Weight Rat­
ing
("GVWR").
The "GVWR" includes the weight
of the basic vehicle, all factory in­
stalled accessories, a full tank of
fuel, oil, coolant and other fluids plus maximum load. The maxi­
mum load includes the number of
passengers that the vehicle is in­
tended to carry ("seating capaci-
ty") with an assumed weight of ..,

a, a, ... N
" N ... 0
" V, a:,
150 lbs (68 kg) for each passen­
ger at a designated seating posi­
tion and the total weight of any
luggage in the vehicle .
The
Gross Axle Weight Rating
("GAWR") is the maximum load
that can be applied at each of the
vehicle's two axles.
The fact that there is an upper
limit to your vehicle's Gross Vehi­
cle Weight Rating means that the
total weight of whatever is being
carried in the vehicle is limited.
The more passengers in the vehi­
cle or passengers who are heavier
than the standard weights as­
sumed mean that less weight can
be carried as luggage.
The Gross Vehicle Weight Rating
and the Gross Axle Weight Rating
are listed on the safety compli­
ance sticker label located on the
driver's side 8-pillar
¢ page 256,
fig. 190.
&_ WARNING
Overloading a vehicle can cause
loss of vehicle control, a crash
or other accident, serious per­
sonal injury, and even death.
-Carry ing more weight than
your vehicle was designed to
carry will prevent the vehicle
Wheels
from handling properly and
increase the risk of the loss of
vehicle control.
-The brakes on a vehicle that
has been overloaded may not
be able to stop the vehicle
within a safe distance.
-Tires on a vehicle that has
been overloaded can fail sud­
denly, including a blowout and
sudden deflation, causing loss
of control and a crash.
-Always make sure that the to­ tal load being transported
does not make the vehicle
heavier than the vehicle's
Gross Vehicle Weight Rating.
Determining correct load
limit
Use the example below to calcu­
late the total weight of the pas­
sengers and luggage or other
things that you plan to transport
so that you can make sure that
your vehicle will not be overload­ ed.
Steps for Determining Correct Load Limit
1 . Locate the statement "THE
COMBINED WEIGHT OF OCCU-
PANTS AND CARGO SHOULD .,.
259