2018 AUDI TT ROADSTER weight

Table of contents
Airbag system . . . . . . . . . . . . . . . . . . . .
194
Important information . . . . . . . . . . . . . . . 194
Front a irbags . . . . . . . . . . . . . . . . . . . . . . . 198
Mon itoring the Advanced Airbag System . 205
Knee airbags .. .. ............. .... .. . 210
Side airbags . . . . . . . . . . . . . . . . . . . . . . . . 212
Child safety . . . . . . . . . . . . . . . . . . . . . . 216
Important information . ....... .. .. .. . 216
C hi ld safety seats . . . . . . . . . . . . . . . . . . . . 221
Secur ing ch ild safety seats . . . . . . . . . . . . 225
Add it io nal info rmation . . . . . . . . . . . . . . . 228
Maintenance and Care . . . . . . . . . . . 229
Checking and Filling . . . . . . . . . . . . . 229
F ue l..... .. .. .. ............. .... .. . 229
Ref ueling . . . . . . . . . . . . . . . . . . . . . . . . . . 230
E m issions cont ro l sys tems . . . . . . . . . . . . 233
On Board Diagnostic System (OB D) . . . . . 233
Engine compartment . . . . . . . . . . . . . . . . . 233
Eng ine oil . . . . . . . . . . . . . . . . . . . . . . . . . . 236
Cooling system . . . . . . . . . . . . . . . . . . . . . . 239
Brake fluid . . . . . . . . . . . . . . . . . . . . . . . . . 241
Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . 241
W indshield washe r system . . . . . . . . . . . . 243
Service i nterval d isplay 24 3
Wheels ... .. .. ................ ... . 244
Wheels and T ires . . . . . . . . . . . . . . . . . . . . 244
T ire press ure monitor ing system
T ire press ure monitor ing sys tem 26
1
26 2
Care and cleaning . . . . . . . . . . . . . . . . 266
Gene ral informa tion . . . . . . . . . . . . . . . . . 266
Ca r washes . . . . . . . . . . . . . . . . . . . . . . . . . 266
C leaning and care information . . . . . . . . . 267
P lacing your vehicle o ut of service . . . . . . 271
Do It Yourself . . . . . . . . . . . . . . . . . . . . 272
Emergency assistance . . . . . . . . . . . 272
Trun k escape latch . . . . . . . . . . . . . . . . . . . 272
Gene ral information . . . . . . . . . . . . . . . . . 272
Equipment . . . . . . . . . . . . . . . . . . . . . . . . . 272
T ire mob ility k it . . . . . . . . . . . . . . . . . . . . . 273
Replac ing whee ls . . . . . . . . . . . . . . . . . . . . 27S
Spare tire . . . . . . . . . . . . . . . . . . . . . . . . . . 279
4
Fuses and bulbs . . . . . . . . . . . . . . . . . . 280
E lectrica l fuses . . . . . . . . . . . . . . . . . . . . . . 280
B ul bs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 282
Emergency situations . . . . . . . . . . . . 283
Genera l . . . . . . . . . . . . . . . . . . . . . . . . . . . . 283
Start ing by push ing or tow ing . . . . . . . . . . 283
Start ing with jumper cables . . . . . . . . . . . 283
U sing the jump start cable . . . . . . . . . . . . 284
T ow ing with a tow truck . . . . . . . . . . . . . . 285
Raising the vehicle . . . . . . . . . . . . . . . . . . . 286
Accessories and technical data . . 288
Technical data . . . . . . . . . . . . . . . . . . . . 288
Vehicle spec ificat ions . . . . . . . . . . . . . . . . 288
Notes abo ut te chnical data . . . . . . . . . . . . 288
D imens io ns . . . . . . . . . . . . . . . . . . . . . . . . . 288
Capacities . . . . . . . . . . . . . . . . . . . . . . . . . . 2 88
Weights . . . . . . . . . . . . . . . . . . . . . . . . . . . 289
Consumer Information . . . . . . . . . . 290
Warranty coverages . . . . . . . . . . . . . . . . . . 290
Operating your vehicle outside t he U.S.A.
or Canada . . . . . . . . . . . . . . . . . . . . . . . . . . 290
Audi Service Repair Manuals and Literature . . . . . . . . . . . . . . . . . . . . . . . . . . 290
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . 290
Accessor ies a nd techn ica l changes . . . . . . 292
De clara tion of compliance for
te lecommunications eq uipment a nd
electron ic sys tems . . . . . . . . . . . . . . . . . . . 293
Index ...... .. .. .. .. ............. .. 294

Cl co .... N ,....
N .... 0 ,....
Vl co
(D Note
Beverage containers in the cup holders should
always have a lid. If not, beverages could spill
and cause damage to vehicle equipment, such
electronics or seat covers.
Additional storage compartments
You will find a range of storage compartments
and holders at different locations in the veh icle .
- Compartments in the doors
- Storage area in the glove compartment . The
glove compartment can be locked using the
mechan ica l key
q page 23.
- Storage compartment under the center arm­
rest*
- Storage compartment on the rear side of the
seat* . The compartment can hold a max imum
weight of 2.2 lbs (1 kg).
A WARNING
-Always leave the lid on the glove compart­
ment cover closed while driving to reduce
the risk of injury.
- Only use the storage compartments in the door trim panels to store small objects that
will not st ic k out of the compa rtment and
impair the range of the side a irbags.
Storage compartment between the seat
backrests
F ig . 56 Between the seat backrests: storage compartment
-
.. To open the s to rage compa rtment, p ull the
hand le in the cover in the direction of the arrow
q fig. 56 and tilt the cover downward.
S eats and storag e
.. To close the storage com partment, tilt the cov­
er upward unti l it clicks into place .
A WARNING
Always keep the storage compartment cover
closed when driving to he lp reduce the risk of
i njury.
Luggage compartment
Gene ral information
A WARNING
-Read and follow the important safety precau­
tions in
qpage 183, Stowing luggage.
Pass-through with bag
Applies to : vehicles with pass-through and removable ski bag
Long objects, such as skis, con be transported in
the ski bog.
Fig. 57 Luggage compa rtment : cove r
"
AUD I l
Fig . 58 Luggage compa rtment: secur ing the bag
Loading
.. Open the storage compartment cover betwee n
the seat backrests
Q page 49.
.. Open the luggage compartment lid . .,_
49

Cl 00 .-< N r-­N .-< 0 r-­Vl 00
Floor mats on the driver side
Always use floor mats that can be securely at­tached to the floor mat fasteners and do not in­
terfere with the free movement of the pedals .
... Make sure tha t t he floor mats are properly se­
cured and cannot
move and interfere with the
pedals
q ,& .
Use only floor mats th at leave the pedal area un­
obstructed and that are firmly secured so that
they cannot slip out of position . You can obtain
suitable floor mats from your authorized Audi Dealer .
Floor mat fasteners are installed in your Audi.
Floor mats used in your vehicle must be attached
to these fasteners. Properly securing the floor mats will prevent them from sliding into posi­
tions that could interfere with the pedals or im ­
pair safe operation of your vehicle in other ways .
A WARNING
Pedals that cannot move freely can result in a
loss of vehicle control and increase the risk of
serious personal injury.
- Always make sure that floor mats are prop­
erly secured.
- Never place or install floor mats or other
floor coverings in the vehicle that cannot be
properly secured in place to prevent them
from slipping and interfering with the ped­
als or the ability to control the vehicle.
- Never place or install floor mats or other
floor coverings on top of already installed
floor mats. Additional floor mats and other coverings will reduce the size of the pedal
area and interfere with the pedals.
- Always properly reinstall and secure floor
mats that have been taken out for cleaning.
- Always make sure that objects cannot fall
into the driver footwell while the vehicle is
moving. Objects can become trapped under
the brake pedal and accelerator pedal caus­ ing a loss of vehicle control.
Safe driving
Stowing luggage
Loading the luggage compartment
All luggage and other objects must be properly
stowed and secured in the luggage compart­
ment.
Loose items in the luggage compartment can
shift suddenly, changing vehicle handling charac ­
teristics . Loose items can also increase the risk of
serious personal injury in a sudden vehicle ma­
neuver or in a collision.
... Distribute the load evenly in the luggage com­
partment .
... Always place and properly secure heavy items in
the luggage compartment as far forward as
possible .
... Secure luggage using the tie-downs provided
qpage 184.
A WARNING ~ -
Improperly stored luggage or other items can
fly through the vehicle causing serious per­
sonal injury in the event of hard braking or an
accident. To help reduce the risk of serious
personal injury:
- Always put objects, for example, luggage or
other heavy items in the luggage compart ­
ment.
- Always secure objects in the luggage com­
partment using the tie-down eyelets and
suitable straps .
A WARNING
-
Heavy loads will influence the way your vehi­
cle handles. To help reduce the risk of a loss
of control leading to serious personal injury:
- Always keep in mind when transporting
heavy objects, that a change in the center of
gravity can also cause changes in vehicle
handling:
- Always distribute the load as evenly as
possible.
- Place heavy objects as far forward in the
luggage compartment as possible.
- Never exceed the Gross Axle Weight Rating or the Gross Vehicle Weight Rating specified
""
183

Safe driving
on the safety compliance sticker on the left
door jamb. Exceeding permissible weight
standards can cause the vehicle to slide and handle differently .
- Please observe information on safe driving
9 page 179.
A WARNING
To help prevent poisonous exhaust gas from
being drawn into the vehicle, always keep the
rear lid closed while driving.
- Never transport objects larger than those
fitting completely into the luggage area be­ cause the rear lid cannot be fully closed .
- If you absolutely must drive with the rear lid open, observe the following notes to reduce
the risk of poisoning:
- Close all windows,
- Close the convertible top,
- Open all air outlets in the instrument pan-
el,
- Switch off the air recirculation,
- Set the fresh air fan to the highest speed .
A WARNING
.
-
Always make sure that the doors, all win­
dows, the convertible top and the rear lid are
securely closed and locked to reduce the risk
of injury when the vehicle is not being used.
- After closing the rear lid , always make sure
that it is properly closed and locked.
- Never leave your vehicle unattended espe­
cially with the rear lid left open . A child
could crawl into the vehicle through the lug­
gage compartment and close the rear lid be­
coming trapped and unable to get out. Be­
ing trapped in a vehicle can lead to serious
personal injury.
- Never let children play in or around the vehi­
cle.
- Never let passengers ride in the luggage compartment. Vehicle occupants must al­
ways be properly restrained in one of the ve­
hicle's seating positions.
184
@ Tips
- Air circulation helps to reduce window fog­
ging. Stale air escapes to the outside
through vents in the trim panel, on the left
side of the luggage compartment. Be sure
to keep these slots free and open.
- The tire pressure must correspond to the
load. The tire pressure is shown on the tire
pressure label. The tire pressure label is lo­
cated on the driver's side B-pillar . The tire
pressure label lists the recommended cold
tire inflation pressures for the vehicle at its
maximum capacity weight and the tires that
were on your vehicle at the time it was man­
ufactured. For recommended tire pressures
for normal load conditions , please see chap­
ter ¢page255.
Tie -downs
The luggage compartment is equipped with four
tie-downs to secure luggage and other items.
I A UD I I
Fig. 151 Lu ggage compartmen t: loca tion of the tie -dow ns
Use the tie-downs to secure your cargo properly
9page 183, Loading the luggage compartment.
In a collision, the laws of physics mean that even
smaller items that are loose in the vehicle will
become heavy missiles that can cause serious in­
jury. Items in the vehicle possess energy which
vary with vehicle speed and the weight of the
item . Vehicle speed is the most significant factor.
For example , in a frontal collision at a speed of
30 mph (48 km/h), the forces acting on a 10 lbs
(4.5 kg) object are about 20 times the normal
weight of the item. This means that the weight
of the item would suddenly be about
...

Safety belts
Why safety belts?
Frontal collisions and the law of physics
Frontal crashes create very strong forces for peo­
ple riding in vehicles .
Fig . 153 Unbelted occupants in a veh icle headi ng fo r a wall
Fig. 154 T he vehicle c rashes into the wall
The physical principles are simple. Both the vehi­
cle and the passengers possess energy which var­
ies w ith vehicle speed and body weight. Engi­
neers call this energy "k inetic energy."
The higher the speed of the vehicle and the
greater the vehicle's weight, the more energy
that has to be "absorbed" in the crash.
Vehicle speed is the most significant factor .
If
the speed doubles from 15 to 30 mph (25 to 50
km/h), the energy increases 4 times!
Because the passengers of this vehicle are not us­
i ng safety belts
c::>fig. 153, they will keep moving
at the same speed the vehicle was moving just
before the crash, unti l something stops them -
here, the wall
c::> fig . 154.
The same principles apply to people sit ting in a
vehicle that is involved in a frontal collision . Even
at c ity speeds of 20 to 30 mph (30 to 50 km/h),
the forces acting on the body can reach one ton
188
(2,000 lbs, or 1,000 kg) or more . At higher
speeds, these forces are even greater.
People who do not use safety belts are also not
attached to their vehicle. In a frontal collis ion
they will also keep moving forward at the speed
their vehicle was travelling just before the crash.
Of course, the laws of physics don't just apply to
frontal collisions, they determine what happens
in all kinds of accidents and collisions .
What happens to occupants not wearing
safety belts?
In crashes unbelted occupants cannot stop
themselves from flying forward and being in­
jured or killed . Always wear your safety belts!
Fig. 155 A drive r not wea ring a safety belt is vio len tly
t hrow n fo rward
Unb elted occupants are not able to resist the tre­
mendous forces of impact by holding tight o r
bracing themselves . Without the benefit of safe­
ty restraint systems, the unrestrained occupant
will slam violently into the steering wheel, in­
strument panel, windshield, or whatever else is
i n the way
c::> fig . 155 . This impact w ith the vehi ­
cle inter ior has all the energy they had just be­
fore the crash.
Never rely on a irbags alone for protection . Even
when they deploy, a irbags provide only addit ional
protection. Airbags are not supposed to deploy in
all kinds of accidents. Although your Audi is
equipped with airbags, all veh icle occupants, in ­
cluding the driver, must wear safety belts cor­
rectly in order to minimize the risk of severe in­
ju ry or death in a crash .
Remember too, that airbags will deploy only
once and that your safety be lts are always there
IJJ,,

Airbag syste m
airbag on the passenger side may or may not
deploy.
The
PAS SENGER AIR B AG OFF ~; light comes o n
when the e lectron ic control un it detects a total
e lectrica l capacitance on the front passenger seat
that requires the front airbag to be turned
off . If
the
PASSENGER AIR BAG OFF '1; light does not
come on, the front airbag on the passenger side has not been turned
off by the control unit and
can deploy if the control unit senses an impact
that meets the conditions stored in its memory .
If the tota l electrical capac itance registered on
the front passenger seat is more than that of a
typical 1 year -old, but less than the weight of a
small adult , the front airbag on the passenger
side may deploy (the
PASSENGER AIR BAG OFF
~ ; light does not come on).
For exampl e, th e airbag may d eploy if:
- a small child that is heavier than a typical 1
year-old ch ild is on the front passenger seat
(regardless of whether the child is in one of the
ch ild seats listed
r=;,page 218),
- a chi ld who has outgrown child restraints is on
the front passenger seat .
If the front passenger airbag is turned off , the
P ASS ENGER AIR BA G OFF~; light in the head­
liner will come on and stay on .
I f the front passenger airbag dep loys, the Feder ­
a l Standard requires the airbag to meet the "low
risk" deployment criteria to help reduce the risk
of injury through interaction with the airbag.
"Low risk" deployment occurs in those crashes
that take place at lower decelerations as def ined
i n the electronic control
un it ¢ page 205 .
Alw ays remember: Please be sure to read the im­
portant information in the sections that follow
and be sure to heed all of the WARNINGS .
A WARNING
To red uce the risk of inju ry when an a irbag in­
flates, a lways wear safety belts p roperly.
- If you are unrestrained, lean ing forward, s it­
t ing s ideways or out of pos ition in any way,
yo ur r isk of i njur y is m uch higher.
200
-You will a lso receive serious injuries and
could even be killed if yo u are up against the
airbag or too close to it when it inflates -
eve n with a n Advanced
Airbag ¢ page 194.
A WARNING
A child in a rearward-facing child seat instal­
led on t he front passenger seat will be seri­
ously injured and ca n be killed if the front air­
bag inflates -even with an Advanced Airbag
Sys tem.
- Altho ugh the Advanced Airbag System in
your veh icle is des igned to tur n
off the front
air bag w hen a rearward -fac ing c hild re ­
s traint has been installed on the front pas­
senger seat, nobody can abso lute ly guaran ­
tee t hat dep loyment is impossib le in all con ­
ceivab le situat ions that may happen d uring
the useful life of your vehicle.
- The inflating airbag will h it the ch ild seat or
infant carrier with great force and will
smash the child seat and child against the backrest, center armrest, door, or roof .
- If you m ust install a rearward facing child
safety seat on the front passenger seat be­
cause of except ional circ umstances and the
PASSENGER AIR BAG OFF ~; light does not
come on and stay on have t he a irbag system
inspected by yo ur Audi dea ler.
A WARNING
I f, in exceptional c ircumstances , you must in ­
s tall a forward -fa cing ch ild res trai nt on the
front passenger's seat:
- Always make sure the forward -fa cing sea t
has bee n des igned and certified by its man ­
ufacturer for use on a front seat with a pas ­
senge r front and side airbag.
- Never put the fo rward -facing chi ld restrain t
up against o r very near the instr ument pan ­
el.
- Always move the front passenger seat to
the highest position in the up and down ad ­
justment range and move it bac k to the
rearmost posit io n in the seat's fo re and aft

Cl 00 .-< N r-­N .-< 0 r-­Vl 00
met, be sure to check the light regularly to make
certain that the
PASSENGER AIR BAG OFF "1;
light stays on continuously whenever the ignition
is on. If the
PASSENGER 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 instal­ led 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 nstr uctions;
- make sure that the convertible locking 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, elect ronic games dev ice,
power inverter or seat heater for child seats) is
placed or used on the front passenger seat if
the device is connected to the 12 ·vo lt 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 still
does not come on ...
If the PASSENGER AIR BAG OFF "1; light still
does not come on and does not stay on continu­
ously (when the ignition is sw itched on),
- take the child restraint off the front passenger
seat and have the airbag system inspected by
your Audi dealer immed iate ly.
The PASSENGER AIR BAG OFF ~; light
should NOT come on ...
The PASSENGER AIR BAG OFF ~; light should
NOT come on when the ign ition is on and an
Airbag system
adult is sitting in a proper seating position 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 weight 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 capacitance.
Important safety instructions on
monitoring the Advanced Airbag System
A WARNING
-
-If the status of the Advanced Airbag System
has changed while the vehicle is moving, the
PASSENGER AIR BAG OFF "1; ON@ light
blinks for about 5 seconds to catch the driv­
er 's attention. If this happens, always stop
as soon as it is safe to do so and check the
steps described above .
- If the
PASSENGER AIR BAG OFF "1; light
does not go off when an adult who is not
very small is sitting on the front passenger
seat after taking the steps described above,
have the airbag system inspected by your
author ized Audi dealer before transporting
anyone on the front passenger seat.
A WARNING
-
An air bag system that is not functioning prop­
erly cannot provide supplemental protection
in a fronta l crash.
- If the airbag indicator light <=> page 14
comes when the vehicle is being used, have
207

Child safety
Child safety
Important information
Introduction
The physical princip les of what happens when
your veh icle is in a cras h apply also to childr en
¢ page 188, What happens to occupants not
wearing safety belts?.
But unlike adults and
teenagers, their muscles and bones are not fully
developed. In many respects children are at
greater risk of serious injury in crashes than
adu lts.
Because children's bodies are not fu lly devel­
oped, they require restraint systems especially
designed for their size, weight, and body struc­
ture. Many countries and all states of the United
States and provinces of Canada have laws requir­
ing the use of approved child restraint systems
for infants and small children .
In a frontal crash at a speed of 20-35 mph (30-56 km/h) the forces acting on a 13 lbs (6 kg)
infant will be more than 20 times the we ight of
the child . This means the weight of the child
wou ld suddenly be more than 260 lbs ( 120 k g).
Under th ese conditions, only an appropriate child
rest raint properly used can reduce the r isk of se­
rio us injury. Child restraints, like adult safety
be lts, must be used properly to be effective.
Used improperly, they can increase the risk of se­
rious inj ury in an accident.
If you must install a child restraint on the front
passenger seat in exceptional circumstances, be
sure to read and heed the important information
and warn ings
¢ page 195. Infants and other ch il­
dren who are properly restrained in an appropri­
ate child restraint that is for their size and age
can benefit from the protection that supplemen­
tal side airbags provide in some kinds of crashes .
For more information please see information
provided by the:
- Nationa l Highway Traffic Safety Administration
(NHTSA), current ly at: http:/ /www .safe­
rcar.gov (for the USA)
- Transport Canada Information Centre, current­
ly at: http://www.tc .gc.ca (for Canada)
216
Consult the child safety seat manufacturer's in­
structions in order to be sure the seat is right for
your ch ild's s ize
¢ page 219, Important safety
instructions for using child safety seats.
Please
be sure to read and heed all of the important in­
format ion and WARNINGS about child safety,
Advanced Airbags, and the installation of child
restraints in this chapter.
There is a lot you need to know about the Ad­
vanced Airbags in your veh icle and how they work
when infants and children in ch ild restraints are
on the front passenger seat . Because of the large
amount of impo rtant informat ion, we ca nnot re­
peat it all he re. We urge you to read the detailed
inf ormation in this owner's manual about airbags
and the Advanced Airbag System in your vehicle
and the very important information about trans ­
porting children on the front passenger seat.
Please be sure to heed the WARNINGS
-they are
extremely important for your safety and the safe­
ty of your passengers, especially infants and
small children .
.&_ WARNING
All vehicle occupants and especially child re n
must be restrained properly whenever riding
in a vehicle. An unrestrained or improperly re­
stra ined child could be injured by striking the
interior or by being ejected from the vehicle
during a sudden maneuver or impact . An un­
restrained or improperly restrained child is al­
so at greater r isk of injury or death through
contact w ith an inflating airbag.
A WARNING
Children on the front seat of any car even with
Advanced Airbags can be seriously injured or
even killed when an airbag inflates. A ch ild in
a rearward-fac ing child safety seat installed
on the front passenger seat will be seriously
in ju red and can be killed if the front airbag in­
flates.
- The inflat ing airbag will hit the child safety
seat or infa nt carrier with great force and
will smash the child safety seat and child
against the backrest, center armrest, or
door.