2018 AUDI TT ROADSTER battery

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

Instruments and indicator lights
If th e indicator lig ht blinks and t he message ap ­
pea rs, there is not eno ugh bra king power to se ­
cure the vehicle . The brakes have overheated. The
ve hicle co uld ro ll away eve n on a small incline .
llJ;l:l:);J;H~ (USA models) / Ii] (Canada models)
Parking brake: applied
If thi s m essage appears, p re ss the bra ke peda l
fir st and t hen release the p arking br ake if neces ­
sary .
(D Tips
For additional in format io n on t he parkin g
bra ke, see
q page 61.
_}_ Cooling system
• Turn off engine and check coolant level.
Th e co olan t leve l is too low .
Do not cont inue drivi ng a nd switch the eng ine
off. Check the coolan t leve l
q page 239 .
-If the coolant leve l is too low, add coo lant
q poge 240 . Onl y cont inue driv ing once the in­
dicator light t urns off .
• Coolant temperature: too high. Let engine
run with vehicle stationary
L et the eng ine run at id le for a few minutes to
coo l off, unt il the indicator light turns off .
- I f th e indic ator li ght d oes no t turn off, do no t
contin ue d riving the vehicle . See an au thori zed
Audi dealer or authorized A udi Se rvi ce Fac ility
fo r assistance .
A WARNING
-Never open t he hood if you can see o r hear
steam o r co olant esca ping from the eng ine
compartment. This inc reases t he risk of
bur ns. Wa it unti l you no long er see or h ea r
st eam o r coolan t esca ping .
- The eng ine compartmen t in any ve hicle can
b e a dangero us area. S to p the eng ine and
allow it to coo l before wo rking in the e ngine
compa rtm ent. A lw ays f ollow the in for ma­
tion fo un d in
q page 233, Wo rking in the
engine comportment .
12
@ Note
Do not conti nue driv ing if the . indicato r
ligh t tu rn s on as this increases the risk of en ­
g ine damage.
9=7: Engine oil pressure
• Turn off engine. Oil pressure too low
Stop t he e ngine and do not co nti nu e d riving .
Check the eng ine oi l level
q page 237.
- If the en gine o il level is too low, add engi ne oil
q poge 237. Only continue driving once the in ­
dicator light turns off .
- If the eng ine o il level is co rre ct an d t he indic a­
t o r lig ht still bli nks, t urn the engine o ff and do
not continue dr iving. See a n author ized A udi
dea le r or a uth orized Audi Serv ice Facility fo r as ­
sistance.
(D Tips
The o il press ure wa rning is not an oil leve l in­
d icator . A lways check t he oil leve l regula rly.
E::3 Generator/vehicle battery
• Electric system : malfunction! Battery is not
being charged
There is a ma lf u nction in the a lternato r o r the ve ­
hicle e lectrica l system.
Dr ive to an au thor ized A udi d ealer or au tho rize d
Audi Se rvice Fac ility immed iate ly . T urn off a ll un­
necessary e lect rical eq uipment because it will
dra in the battery. See an a uthorized Audi dea ler
or a uthori zed Aud i Serv ice Facility if the battery
c h arge level is too low.
(•) Electrical system: low battery charge. Bat­
tery will be charged while driving
The s ta rting ability may be imp aired.
If this m essage turns off af ter a litt le whi le, t he
vehicle battery ch arge d enoug h while d riv in g.
If the message does not t urn off , have an autho r­
i zed Audi dealer or author ized A udi Se rvice Facili­
ty repair the ma lfu nction .

Cl co .... N ,....
N ...... 0 ,....
Vl co
Tachometer
The tachometer displays the engine speed in rev­
olutions per minute (RPM) .
The beginning of the red zone in the tachometer
indicates the maximum perm iss ib le engine speed
for all gears once the engine has been broken in
and when it is warmed up to operating tempera­
ture. Before reaching the red zone, you should
sh ift into the next h igher gear, choose the Do r S
selecto r lever posi tion, or remove you r foot from
the ac cele rator peda l.
{Q;l Note
The needle in the tachometer may only be in
t he red a rea of the gauge for a short per iod of
time or there is a risk of damaging the engine.
T he loca tio n where the red zo ne begins varies
de pending o n the engine.
@ For the sake of the environment
Upshifti ng e arly helps you to save fuel and re­
duces operati ng noise.
Odometer
Fig . 11 Inst rument cluste r: odomete r and reset b utto n
Trip odometer and odomete r
The trip odometer shows the distance driven
since it was last reset.
It can be used to meas ure
short distances .
The trip odometer can be reset to zero by press­ ing the reset button 10.01
¢ fig. 11.
The odome ter shows the to tal d ist ance tha t the
ve hicle has been driven .
Driver information system
Malfunction indicator
If there is a malfunction in the instr ument clus­
ter,
DEF will appear in the trip o dome ter disp lay.
Have the malfunction corrected as soon as possi­
ble.
On-board computer
Yo u can access the fo llowing information in the
o n- board
computer ¢ page 17, fig . 4@ .
-Time and d ate ¢page 173
- Average cons umption
- Range
- Short-term memory overv iew
- Long-term memory overv iew
T he short -term memory collects driv ing in forma ­
tion from t he time the ignition is switc hed on un ­
t il it is switched off. If you continue driving w ith­
in two hours after sw itch ing the ignit ion off , the
new values are included when ca lculating the cur­
rent t rip information .
U nli ke the short-te rm memory, the long-term
memory is not erased automatically. You can
se­
lect t he time period for evaluating trip informa­
t ion yourse lf .
Fuel consumption
T he current f uel consumption can be shown us ­
ing a bar graph . The average consumption stored
in the short-term memory is also disp layed. If
the ba r is green, your vehicle is savi ng fuel
t hr ough one of the following functions :
-Recuperation: electrical energy can be stored in
the vehicle battery when the vehicle is coast ing
or driving downhil l. The bar will move toward
D .
(D Tips
The date, time of day and time and date for­
mat can be set in the I nfota inment system.
21

Opening and closing
LED and batteries in the remote control key
Fig. 14 Remote control key: removing the battery holder
Fig. 15 Re mote control key (rear side): removing the bat·
tery holder
LED on the remote control key
The L E D @ informs you of the remote control key
opera tion.
~ If you press a button briefly, the LED blinks
once.
~ If you press and hold a button (conven ience
opening/closing), the LED blinks several times.
~ If the LED does not blink, the remote control
key battery is dead . The
Ill indicator light turns
on and the message
Remote control key:
change key battery
appears in the driver infor·
mation system. Replace the battery in the re­
mote control key.
Replacing the remote control key battery
~ Press the release buttons (!)¢ fig. 14 and re­
move the mechanical key .
~ Press the release buttons@¢ fig. 15 on the
battery holder and pull the battery holder out
of the remote control key in the direction of the
arrow at the same time.
~ Insert the new battery w ith the"+" facing
down.
24
~ Slide the battery holder carefully into the re­
mote contro l key.
~ Insert the mechanical key .
@ For the sake of the environment
Discharged batteries must be disposed of us­
ing methods that will not harm the environ­
ment. Do not dispose of them in household
trash.
@ Tips
The rep lacement battery must meet the same
specifications as the original battery in the re­
mote control key.
Unlocking/locking by remote control
Fig. 16 Remote contro l key: butto n programm ing
~ To unlock the vehicle, press the [§] button
c:> fig. 16.
~ To lock the vehicle, press the Ifill button once .
~ To open the luggage compartment lid, press
and hold the
l al button for at least one second.
~ To trigger the alarm, press the red IPANIC I but­
ton. The vehicle horn and emergency flashers
w ill activate.
~ To switch off the alarm, press the red !PANIC I
button again.
If you unlock the vehicle and do not open any of
the doors, the hood, or the luggage compart­
ment lid within 45 seconds, the vehicle automati­
ca lly locks again. This feature prevents the vehi ­
cle from being accidentally left unlocked over a
long period of time.
The settings in the Infotainment system deter ­
mine if the entire vehicle or o nly the driver's door
..,_

Opening and clo sin g
pull once on the door handle to unlock the
vehicle and a second time to open it .
- The energy management system gradually
turns off unnecessary convenience functions
to prevent the vehicle battery from draining
and to maintain the vehicle's ability to start
for as long as possible. You may not be able
to unlock your vehicle using the convenience
key.
- For an explanation on conformity with the
FCC regulations in the United States and the
Industry Canada regulations, see
¢page 293.
(0 Tips
Unlocking with the convenience key (keyless
access) can be deactivated temporarily .
- Place the selector lever in the "P" pos ition;
otherwise, the vehicle cannot be locked.
- Close the door and press the button
(D III
¢ page 24, fig.16.
- Press the sensor on the door handle on ce
within five seconds ¢ fig. 17, ¢ & . Do not
ho ld the door handle wh ile doing this .
- The next time the vehicle is unlocked, it can
on ly be done with the remote control key or
mechanically us ing the door lock cylinder.
The convenience key will be active again af­
ter the next loc king/un locking.
Central locking switch
F ig . 18 Dr ive r's doo r: central locki ng switch
• To lock the vehicle, press the@! button ¢,& .
• To unlock the veh icle, press the @J button .
When locking the vehicle with the central locking
sw itch, the follow ing applies:
26
- Opening the door a nd the luggage compart ­
ment lid from the
outside is not possible for se­
curity reasons, such as when stopped at a light.
- The LED in the centra l locking switch t urns on
when all doors are closed and locked.
- You ca n open the doors individua lly from the
inside by pulling the door handle.
- In the eve nt of a cras h with a irbag dep loyment,
the doo rs unlock automatica lly to allow access
to the vehicle.
8_ WARNING
-The central locking switch a lso works when
the ignition is switched off and automatical­
ly locks the entire vehicle when
the~ but­
ton is pressed.
- The central locking switch is inoperative
when the vehicle is locked from the outs ide .
-Locked doors make it more difficult for
emergency workers to get into the vehicle,
which p uts lives at risk . Do not leave anyone
behind in the ve hicle, especially ch ildren.
(D Tips
Your vehicle locks automatically when it
reaches a speed of 9 mph (15 km/h) (Auto
Lock)
¢ page 22. Yo u can unlock the vehicle
again using the
@J button i n the cent ral lock-
i ng switch.
Setting the central locking system
You con set which functions ore controlled by the
central locking system .
• Select in the Infotainment system: IMENUJ but­
ton
>Ve hicle > left control button >V ehicle set­
ting s.
Door unloc king -
you can decide if All doors or
on ly the
Driv er door should unlock . The luggage
compartmen t lid also un locks when
All is select­
ed . If you se lect
Driver in a vehicle with a conven­
i ence key*, o nly the doo r whose hand le yo u pu ll
will u nlock.
If you se lect Driver , all the doors and luggage
compartment lid w ill unloc k if yo u press
the ~
button on the remo te con trol key tw ice.

Power top
-Visibility to the rear is limited when operat­
ing the power top. Avoid operat ing the top
wh ile driving in reverse.
(D Note
- To prevent damage to the power top:
- do not store any objects in the power top
storage compartment.
- make sure there is enough space above
the vehicle when opening or clos ing the
powe r top.
(D Tips
- To prevent the vehicle battery from dra ining
unnecessari ly, do not open or close the pow­
er top repeatedly when the engine is switch­
ed off.
- A message will appear in the instrument
cluster if there is a malfunction in the powe r
top
~ page 34.
- The powe r top can also be operated manual­
l y temporari ly if there is a malfunction
~ page 36, Power top emergency opera­
tion.
An authorized A udi dealer or author­
ized Audi Service Facility should diagnose
and correct the cause of the ma lfunction as
soon as possib le .
- If the vehicle is parked with the power top open, the vehicle interior is not protected
from damaging weather or unauthor ized ac­
cess. Lock any items you leave behind in the
luggage compartment. C lose the power top
before leaving the vehicle .
- The side windows automat ically lower
slightly when opening or closing the power
top.
34 Power top convenience opening and closing
Fig. 28 Turn
ing the key to open and close
Convenience opening with t he dri ver door
lock
.,. Press the 0 button on the remote control key
to un lock the vehicle .
.,. Turn the key once in the driver door lock to the
unlo ck
position @~ fig. 28 .
.. Turn the key to the opening posi tion again
within two se cond s and hold it there until the
power top opens completely .
Convenience closing with the driver door lock
.,. Turn the key once in the driver door lock to the
lock
posit ion @ ~ fig. 28.
.. T urn the key to the closing posi tion again w ith­
i n two second s
and ho ld it there until the pow­
er top closes complete ly .
Releasing the key stops the opening or clos ing
process
immedi ately . Opening and closing with
the convenience key* is possible from up to ap­
prox imately 13 feet (4 meters) away from the ve­
hicle.
A WARNING
Read and follow the important safety precau­
tions
¢ .&. in Opening and closing the power
top on page 33.
Messages
Power top: m alfunction! Oper ation not
possible
This message appears when the re is a malfunc­
tion. The power top can be operated manually
~ page 36. .,.

Cl co .... N ,-... N .... 0 ,-... Vl co
Power top: operation currently not poss ible
If t h e power top is operate d con tinu ally fo r a
l ong period of time, the overload pro tection acti ­
vates for approximate ly 15 to 3 0 minutes . You
can open or close the power top again after that .
Power top: operation currently not possible.
Engine must be running
The power top is automatically deactivated if the
battery voltage is low. You can open or close the
power top again after sta rting the engine.
Power top: operation currently not possible.
Outs ide temperature too low
The power top will not o pen whe n the tempera­
ture is below 5 °F (-15 °C) .
Power top: operation not possible. Speed too
high
If you go above 30 mph (SO km/h), the power
top cannot be operated due to safety reasons. Reduce the vehicle speed to close or open the
power top.
Power top : not secu re . Speed too high
This message appears if you go above 50 km/h
when operating the power top . Reduce t he vehi­
cle speed and operate the power top again.
Power top: malfunction! You may continue
driving (limited functionality). See owner's manual
This message appea rs if there is a ma lfunction in
the system . Try to open or close the power top
again. If the message st ill appea rs, then have an
au thor ized Audi dealer or author ized A udi S ervice
F aci lity correct the malf unct io n. Do not dr ive
mo re t han 3 0 mph
(SO km/h) unti l i t i s corre ct­
e d.
_& WARNING
N ever drive whe n the power top is not locked
correctly. The w ind from driving co uld cause
the power top to open. This can result in inju­ r ies and damage to the vehicle.
Power top
Wind deflector
Appl ies to: vehicles wit h w ind deflector
The wind deflector reduces air movement in the
passenger compartment in order to increase driving comfort.
Fig . 29 Ce nte r console: swi tc h fo r operating t he w ind de­
flec to r
A power mechanism extends and retracts the
wind deflector.
... ....
.,. To extend the wind deflector, pull the wind de ­
flector switch unti l the wind deflector is com ­
p letely extended .
.,. To retract the wind deflector, press the wi nd
deflector switch until the retracting p rocess is
complete .
_& WARNING
- Do not use the wind deflec to r to se cure ca r­
go.
- Always pay car eful att ention wh en clos ing
t he wi nd deflector. Pin chi ng could ca use se­
ri ous injuries.
@ Tips
- If the w ind deflector switch is released
w hile it is e xtending, th e proc ess will s top
i m med iate ly.
- T he wind deflec tor works best when all of
t he win dows a re rolled up while drivi ng.
35

Cl co .... N ,..._
N .... 0 ,..._
Vl co
turned on in accordance with traffic
reg ulations.
- If the battery has been discharging for a
while, the parking light may sw itch off auto­
matically. A lways make sure your vehicle is
parked and adequately lit according to the
laws . Avo id using the parking lights for sev­
era l hours.
- Always observe legal reg ulat ions when us­
ing the light ing systems described.
(!') Tips
- The light sensor for the automatic head ­
lights* is in the rearview mirror mount. Do
not place any stickers in this area on the
windsh ield.
- Some exterior lighting fu nctions can be ad­
j usted
c::> page 39.
- If you turn off the ignition wh ile the exterio r
lights are on and open the door, a warning
tone so unds.
- In some markets, the ta il lights will sw itch
on when the dayt ime runn ing lights sw itch
on.
- In cool o r damp weather, the inside of the
headlig hts, tu rn s ignals and tai l lights can
fog over d ue to the tem perature d ifference
betwee n the inside and ou ts ide. They will
clea r shor tly after sw itch ing them o n. This
d oes not aff ect t he serv ice life o f the lig ht­
i ng.
Turn signal and high beam lever
The lever opera tes the turn sign als, the high
beams and the headlight flasher .
Fig . 38 Tu rn signal an d high beam lever
N
0
~
"'
Lights and V ision
Turn signals ¢ 9
The turn signa ls act ivate w hen yo u move the lev­
er into a turn signa l posit io n when the igni tion is
switched on .
©-Righ t turn signal
@ -Left tur n signal
The turn signa l blinks three t imes i f you tap t he
lever (convenience t urn signa l).
High beams and headlight flasher
~D
Move t he lever to the corresponding position:
@ -High beams o n
@-High beams off or headlight flasher
T he
II indicato r light in t he inst rument cl uster
turns on .
A WARNING
-High beams can cause glare for other drivers,
which increases the risk of an accident. Fo r
this reaso n, only use the high beams or the
headlight flasher when they wil l not create
g la re fo r ot her dr ivers.
Adjusting the exterior lighting
The functions are adjusted in the Infotainment
system .
.,. Select in the Infotainment system: I MENU ! but­
ton> Vehicle > left control button >Vehicle set­
tings > Exterior lighting .
Automatic headlights
You can adjust the following sett ings in the Au­
tomatic headlights menu:
Activation time
-you can a djust if the headlights
switch on Early, Medium or Late according to the
sensit ivity of the light sensor.
Audi adaptive light * -you can sw itch ad ap tive
li gh t
On and Off .
Daytime running lights*
USA models: the daytime runn ing ligh ts can be
switched on or off using the MM I. Se lec t
On or
Off .
39