2018 AUDI TT ROADSTER spare tire

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

Seats and stor age
,.. Press the release button and fold the cover for
the pass-through towards the luggage com­
partment
¢ fig . 57.
,.. Slide the bag from the luggage compartment
into the vehicle interior w ith the zipper facing
toward the rear
cc> &.
.. Load the sk i bag.
Secur ing
.. Secure the carab ine r hooks on both st raps in
the corresponding rear tie-downs <=>
fig. 58.
A WARNING
After loading the bag, it must be t ied down
w ith both straps.
@ Tips
- Only fold the ski bag up if it is dry.
- Lay skis in the bag with the points facing
forward and ski pole points facing the rear.
Lowering the cargo floor
In exceptional situations, the cargo floor can be lowered .
Fig . S9 Luggage com partment : ca rgo f loo r re m oved
Fig. 60 Luggage co mpartment : spa re t ire re m oved
.. Remove the cargo floor ¢page 272 .
50
.. Remove the plastic floor pane l¢ fig. 59 .
.. Turn th e handle counter-clockw ise to remove
and remove the foam piece.
.. Remove the spare tire .
.. Reinsert the foam p iece and turn the hand le
clockwise to tighten .
.. Now re insert the cargo floor .
A WARNING
Please note that you are no longe r mobile in
the eve nt of a flat ti re . P lease note the legal
regula tions before removing the spare tire.

Wheels
Because the spare tire* is differ­
ent from the regular tires instal­ led on the vehicle (such as winter
tires or wide tires), only use the
spare tire* temporarily in case of
emergency and drive carefully
while it is in use. It should be re­ placed with a regular tire as soon
as possible.
Applies to: vehicles with all wheel
drive: all four wheels must be
equipped with tires that are the
same brand and have the same
construction and tread pattern so
that the drive system is not dam­
aged by different wheel speeds.
For this reason, in case of emer­
gency, only use a spare tire* that
is the same circumference as the
regular tires.
& WARNING ~ -
-Only use tire/rim combina­
tions and suitable wheel bolts
that have been approved by
Audi. Otherwise, damage to
the vehicle and an accident could result.
-For technical reasons, it is not
possible to use tires from oth­
er vehicles - in some cases,
you cannot even use tires from
the same vehicle model.
252
-Make sure that the tires you
select have enough clearance
to the vehicle. Replacement
tires should not be chosen simply based on the nominal
size, because tires with a dif­
ferent construction can differ greatly even if they are the
same size. If there is not
enough clearance, the tires or
the vehicle can be damaged and this can reduce driving
safety and increase the risk of
an accident.
-Only use tires that are more
than six years old when abso­
lutely necessary and drive
carefully when doing so.
-Do not use run-flat tires on
your vehicle. Using them when not permitted can lead to ve­
hicle damage or accidents.
- If you install wheel covers on
the vehicle, make sure they al­ low enough air circulation to
cool the brake system. If they
do not, this could increase the
risk of an accident.

Wheels
For unidirectional tires, make
sure the tires are installed a ccord­
ing to the running direction indi­
cated on the tire sidewall
¢ page 278.
Hidden damage
Damage to tires and rims can of ­
ten occur in locations that are
hidden. Unusual vibrations in the
vehicle or pulling to one side may indicate that there is tire damage.
Reduce your speed immediately.
Check the tires for damage. If no
damage is visible from the out­
side, drive slowly and carefully to
the nearest authorized Audi deal­
er or authorized Audi Service Fa­
cility to have the vehicle inspect­
ed.
_& WARNING i-==
Tread that has worn too low or different tread depths on the
tires can reduce dr iving safety.
This can increase the risk of an
accident because it has a nega­
t ive effect on handling, driving
through curves, and braking,
and because it increases the
risk of hydroplaning when driv­
ing through deep puddles.
254
-
Tire pressure
Fig. 189 Driver's side 8-p illar: t ire pres ­
sure label
"'
8 > ...
"'
"' -
a "
fl ( =::~ m:t I =: I :=... I ) (: ::-) ~ Tbe..,_.....,..._....,_..,...,..~----. ... _ ... ........ wia1-.-. ......... *'~""'-,-......., ..... lb-
llN! IIZli COlD 111111! MCSIUM. NU ON(HA)!Q "'"510NOU,....,. AM)O
"'"'" v - KP aPSI
Fig. 190 Tire pr ess u re lab el
i.tE OWNUrS MANUAL fOR ADDmoNA.l INFORMATION VO" l£ M~U'[L DV ,ROPIQETAIRE POUR PLUS Of IIIEr-lSEIG~MCNTS
The correct tire pressure for tires
mounted in the factory and for
the spare tire* is indicated on a la­ bel. The label is located on the B­
pillar
¢ fig. 189, ¢ fig. 190.
Use the tire pressure specified for
a normal vehicle load when the
vehicle is partially
loaded ¢ table
on page 256.
If driv ing the vehi-
cle when fully loaded, you must increase the tire pressure to the
maximum specified
pressure ¢ A . ..,.

0 co .... N
" N .... 0
" "' co
Checking/correcting ti re
pressure
.,,. Chec k the tire pressure at least
once per month and also check it before every long drive.
.,,. Always check the tire pressure
when the tires are
cold . Do not
reduce the pressure if it inc reas ­
es when the tires are warm.
.,,. Check the label c:> fig . 190 for
the correct tire pressure based on vehicle load .
.,,.Correct the tire pressure if nec­
essary .
.,,.Vehicles with Tire Pressure Mon­
itoring System*: store the modi­
fied tire pressure in the Infotain­ ment system
c:> page 262.
.,,. Chec k the pressure in the emer­
gency tire*/spare tire* . Always
maintain the maximum temper­
ature that is specified for the
ti re .
&_ WA RNIN G
Always adapt the tire pressure
to your driving style and vehicle load.
Tire pressure table
P lease note that the information
contained in the following table
was correct at the time of print-
Wh eel s
-Overloading can lead to loss of
vehicle control and increase the risk of an accident. Read
and follow the important safe­
ty precautions
inc:> page 256,
Tires and vehicle load limits .
-The tire must flex more if the
tire pressure is too low or if
the vehicle speed or load are
too high. This heats the tire up
too much. This increases the
risk of an accident because it
can cause the tire to burst and result in loss of vehicle con ­
trol.
- Incorrect t ire pressure in ­
creases tire wear and has a
negative effect on driving and
braking behavior, which in ­
creases the risk of an acc iden t.
@) Note
Replace lost valve caps to re­
duce the ris k of damage to the
tire va lves .
@) For th e sa ke o f th e e nvi ro nm ent
Tire pressure that is too low in­
creases fuel consumption .
ing, and the information is sub­
ject to change. If there are differ- ences between this information
..
255

Cl 00 .-< N r-­N .-< 0 r-­Vl 00
Tire pressure monitoring system
(J_) General notes
Each tire, incl uding the spare (if provided),
should be checked month ly when co ld and inflat­
ed to the inf lation pressure recommended by the
ve hicle manufacturer on the vehicle placard or
tire inflat ion pressure label. (If your vehicle has
tires of a d ifferent s ize tha n the s ize indicated on
the veh icle placa rd or t ire inflation pressure la­
be l, you s hou ld determine the prope r tir e infla­
tion pressure fo r th ose tires).
As an added safety feature, your ve hicle has been
equ ipped w ith a t ire pressu re monito ring system
(TPMS) that ill uminates a low tire p ress ure tell­
tale whe n one or more of yo ur t ires is sign ificant ­
l y unde r-infla ted. Accord ingly, whe n the low tire
p ressure tellta le illuminates, yo u should stop and
check your tires as soon as possible, and inflate
them to the proper press ure. D riving on a signifi ­
cantly under-inflated tire causes the tire to ove r­
h eat and can lead to t ire failure. Under-inflation
a lso reduces fuel efficiency and ti re tread life,
and may affect the veh icle's handling and stop­
p ing ability .
P lease note that the TPMS is not a substitute for
proper tire maintenance, and it is the driver's re­
sponsib il ity to ma inta in correct tire pressure,
even if u nder-inflation has not reached t he leve l
to tr igger illum inat io n of t he TPM S low tire p res ­
sure telltale.
Your veh icle has also been equ ipped w ith a TPMS
malfunct ion ind icator to indicate when the sys­
tem is not operat ing properly. The TPMS ma l­
f u nction ind icator is combined w ith the low tire
p ressure tellta le. Whe n the system det ects a
mal function, the te lltale wi ll flash fo r approxi ­
mate ly one mi nute and then remain continuous ly
illum inated. This sequence will continue upon
subseq uent ve hicle start-ups as long as the ma l­
function ex ists .
W hen t he malfunctio n indicator is ill uminated,
the system may not be ab le to detect or signa l
low t ire press ure as intended. TPMS ma lfunctions
may occur for a var iety of reasons, including the
Wheels
insta llation o f replacement or alternate tires or
whee ls on the vehicle that prevent the TPMS
from functioning p roperly . Always check the
TPMS ma lfunction te lltale after replac ing one or
more tires or wheels on you r vehicle to ensure
t h at the rep lacement or a lternate tires a nd
wheels allow t he TPMS to continue to function
prope rly.
If the Tire Pressure Monitoring System
indicator appears
Applies to: vehicles with Tire Pressure Monitoring System in­
dicator
The tire pressure indicator in the instrument
cluster informs you if the tire pressure is too low
or if there is a system malfunction.
U sing the ABS se nsors, the t ire pressure monitor­
ing system compares the tire tread c ircumfer­
ence and v ibration characterist ics of the ind ividu­
al tires. If the pressu re changes in one o r more
t ir es, th is is indica ted in the Info tainment sys tem
display wi th an indica to r li ght
ti] and a message.
If only one ti re is affected, the location of tha t
tire will be indicated.
T he tire press ures mus t be store d in the Infota in­
me nt system agai n ea ch t ime t he p ressures
change (switching between partia l and full load
pressure) or after c hanging or replacing a tire on
yo ur vehicle
¢ page 262 . The tire pressure moni ­
toring system on ly monitors the tire pressure you
have stored. Refer to the t ire pressure label for
the recommended t ire pressure for your vehicle
¢ page 254, fig . 190 .
Tire tread c ircumference and vibration character ­
istics can change and cause a tire pressu re warn­
i ng if:
- the ti re pressure in one or more tires is too low
- the tire has str uctural damage
- t he t ire w as replaced or the t ire pressu re w as
changed and it was no t stored ¢
page 262
- the spare tire* is i nstalled
Indicator lights
ti] -loss of pressure in at least one tire ¢,& .
Check the t ires and replace or repair if necessary.
Check/correct the pressures of all fou r tires and
.,.
261

Wheels
store the pressure again in the Infotainment sys­
tem
i::> page 262 .
mm (Tir e Pr essure Monitoring System) Tire
pressure: malfunction! See owner's manual -
if
mm appears after switching on the ignition or
while driving and then the
[DJ indicator light in
the instrument cluster also starts to blink for
about one minute and then stays on permanen t­
ly, there is a system malfunction. Try to store the
correct tire pressures
<=:> page 262 . If the indica­
tor light does turn off or turns on again after a
short period of time, drive to an authorized Audi
dealer or authorized Aud i Serv ice Facility immedi­
ately to have the malfunction corrected .
_& WARNING
-If the tire pressure indicator appears in the
display, reduce your speed immediately and
avoid any hard steering or braking maneu­
vers. Stop as soon as possible and check the
tires and their pressure.
- The driver is responsible for maintaining the
correct tire pressures. You must check the
tire pressures regularly.
-Under certain conditions (such as a sporty
driving style, winter conditions or unpaved
roads), the pressure monitor indicator may
be delayed .
- Do not use run-flat tires on your vehicle. Us­
ing them when not permitted can lead to
vehicle damage or accidents .
(D Tips
- The tire pressure monitoring system can al­
so stop working when there is an ESC mal­
function.
- Using snow chains may result in a system
malfunction.
- The tires with the identification
"AO"
¢page 251 have been matched with your
Audi tire pressure monitoring system . Using
these tires is recommended.
262
Storing tire pressures
Applies to: vehicles with Tire P ressure Monitoring System in­
dicator
If the t ire pr essure chang es or a tire is replaced ,
it must be confirmed in the Infotainment sys­
tem.
.,. Make sure before storing that the tire pressures
of all four tires meet the specified values and
a re adapted to the load
<=:>page 253.
.,. Switch the ignition on.
.,. Select in the Infotainment system : the!M ENUI
button > Vehicle > left control button > Service
& checks> Tire pressure monitoring .
(D Tips
Do not store the tire pressures if snow chains
are installed .
Tire pressure monitoring
system
ill General notes
Each tire, including the spare (if provided),
should be checked monthly when cold and inflat­
ed to the inflation pressure recommended by the
vehicle manufacturer on the vehicle placard or
tire inflation pressure label. (If your vehicle has
tires of a different size than the size indicated on
the vehicle placard or tir e inflation pr essure la­
bel, you should determine the proper tire infla­
tion pressure for those tires).
As an added safety feature, your vehicle has been
equipped with a tire pressure monitoring system
( T PMS) that illuminates a low tire pressure tell­
tale when one or more of you r tires is significant­
ly under-inflated. Accordingly, when the low tire
pressure telltale illuminates, you should stop and
check your tires as soon as possible, and inflate
them to the proper pressure . Driving on a signifi­
cant ly under-inflated t ire causes the tire to over­
heat and can lead to tire failur e. Under-inflation
also reduces fuel efficiency and tire tread life,
and may affect the vehicle's handling and stop-
ping ability.
..,.

Cl co .... N ,....
N ...... 0 ,....
Vl co
(D Tips
The vehicle jack* in your vehicle is mainte­na nee-free.
Ti re mobility kit
Preparation
A ppl ies to: ve hicles with tire mobility kit
~ Read and follow the important safety precau-
t ions ¢
page 2 72, General information.
~ Set the parking b rake.
~ Select the "P" selector lever position .
~ Check if a repair with the tire mobility kit is pos­
sible c:>page 273.
Using the tire mobility kit
Appl ies to: ve hicles w ith tire mob ility kit
Fig . 193 Tire : tire da mage that canno t be repa ired
The tire repair is only meant for temporary use .
Change the spare tire as soon as
possib le ¢ .& .
If the tire is pierced by a n object such as a nail,
do not remove the object from the tire .
The tire repa ir set is able to be used at tempe ra­
tures as low as
-4 °F (- 20 °C).
The tire mobility kit ma y not be u sed:
- If the t i re has cuts or punctures that are larger
than 0 .16 in (4
mm) (!)¢ fig. 193.
-if the rim is damaged @
- if you drove with very low tire pressure or with-
out air in the tire @
See an authorized Audi dealer or authorized Aud i
Service Facility for assistance in these situations.
Em ergen cy as sis tanc e
A WARNING
-Please note that the tire mobility kit cannot
be used in all situations, and that it may on­
ly be used temporarily.
- The tire sealant must not come in contact
with skin, eyes , or clothes.
- If tire sealant gets in your eyes or on your
skin, thoroughly rinse the affected area im­
mediately with clean water .
- Do not inha le the fumes.
-If you swa llow any of the tire sealant, thor-
ough ly rinse your mouth immediately and
drink a lot of water . Do not induce vomiting .
Seek med ica l attent ion immed iate ly.
-Change your clothes immediately if they get
tire sealant on them.
-If an allergic reaction occurs, seek immedi­
ate med ical attention.
-Keep the tire sealant away from children.
(D Tips
- If sea lant leaks, allow it to dry in place . You
can then peel it off like a st icker .
- Note the expi ra tion date on the sea lant bot ­
tle . Rep lace the tire sealant at an autho r­
ized Audi dealer or authorized Audi Service Facility.
- Radio reception can be interr upted when
operating the compressor*.
- Obey all laws .
273