2017 AUDI TT ROADSTER cooling

Table of content s
Safety belts . . . . . . . . . . . . . . . . . . . . . . . . 192
Safety belt tensioner . . . . . . . . . . . . . . . . . 194
Airbag system ... . ...... ... .. .. ... 19 6
I mportant info rmation . . . . . . . . . . . . . . . 196
F ront airbags . . . . . . . . . . . . . . . . . . . . . . . 200
Mon itoring the Advanced Airbag System . 207
Knee airbags........................ 212
Side airbags . . . . . . . . . . . . . . . . . . . . . . . . 214
Ch ild safety . . . . . . . . . . . . . . . . . . . . . . 218
Important information . . . . . . . . . . . . . . . 218
Ch ild seats . . . . . . . . . . . . . . . . . . . . . . . . . 223
Secur ing ch ild seats . . . . . . . . . . . . . . . . . . 227
Add it io nal info rmation . . . . . . . . . . . . . . . 230
Maintenanc e and Care . . . . . . . . . . . 23 1
Checking and Filling . . . . . . . . . . . . . 23 1
F ue l... .. .. .. .. ... .......... .... .. . 23 1
Refueling . . . . . . . . . . . . . . . . . . . . . . . . . . 232
E ng ine compartment . . . . . . . . . . . . . . . . . 235
Eng ine oi l .... .. ... .. ..... ... .. .. ... 237
Cooling system . . . . . . . . . . . . . . . . . . . . . . 241
Brake fluid . . . . . . . . . . . . . . . . . . . . . . . . . 242
Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . 243
W indshield washer system . . . . . . . . . . . . 244
Service interval display . . . . . . . . . . . . . . . 245
Wheels ... .. ... ............ .... .. . 246
Wheels and Tires . . . . . . . . . . . . . . . . . . . . 246
Tire pressure monitoring system 263
Care and cleaning . . . . . . . . . . . . . . . . 266
General information . . . . . . . . . . . . . . . . . 266
Ca r washes . . . . . . . . . . . . . . . . . . . . . . . . . 266
C lea ning and care information . . . . . . . . . 267
P lacing your veh icle o ut of se rvice 27 1
Troubleshooting . . . . . . . . . . . . . . . . . 27 2
Emergency assistance . . . . . . . . . . . 272
T runk es cape l atch . . . . . . . . . . . . . . . . . . . 27 2
G eneral informa tion . . . . . . . . . . . . . . . . . 272
Equipment . . . . . . . . . . . . . . . . . . . . . . . . . 272
Tire mobility k it . . . . . . . . . . . . . . . . . . . . . 273
Replac ing whee ls . . . . . . . . . . . . . . . . . . . . 275
Spare tire . . . . . . . . . . . . . . . . . . . . . . . . . . 279
4
Fuses and bulbs . . . . . . . . . . . . . . . . . . 281
E lectrica l fuses . . . . . . . . . . . . . . . . . . . . . . 281
Bu lbs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 283
Emergency situations . . . . . . . . . . . . 2 8 4
Genera l . . . . . . . . . . . . . . . . . . . . . . . . . . . . 284
Start ing by push ing or tow ing . . . . . . . . . . 284
Start ing with jumper cables . . . . . . . . . . . 284
Use o f jumper cables . . . . . . . . . . . . . . . . . 28S
T owing with a tow truck . . . . . . . . . . . . . . 286
Raising the vehicle . . . . . . . . . . . . . . . . . . . 288
Accessories and technical data . . 290
Technical data . . . . . . . . . . . . . . . . . . . . 290
Vehicle spec ificat ions . . . . . . . . . . . . . . . . 290
Weights . . . . . . . . . . . . . . . . . . . . . . . . . . . 290
D imens ions. . . . . . . . . . . . . . . . . . . . . . . . . 291
Capaci ties . . . . . . . . . . . . . . . . . . . . . . . . . . 291
Gasoline engines . . . . . . . . . . . . . . . . . . . . 292
Consumer information and
technical data . . . . . . . . . . . . . . . . . . . .
293
Consumer information . . . . . . . . . . 293
Warranty coverages . . . . . . . . . . . . . . . . . . 293
Operat ing your vehicle outside the U.S.A.
or Canada . . . . . . . . . . . . . . . . . . . . . . . . . . 293
Audi Service Repair Manuals and Lite rat ure . . . . . . . . . . . . . . . . . . . . . . . . . . 293
Maintenance. . . . . . . . . . . . . . . . . . . . . . . . 293
Accessor ies a nd techn ica l changes 295
Index .......... ... ............. ... 297

Instrumen ts and ind icator ligh ts
Instruments and indicator Lights
Instruments
Audi virtual cockpit (instrument cluster)
The instrument cluster is the central information center for the driver.
Fig. 3 Instrume nt cluster overv iew
(D Eng ine coolant temperature 8
@ Driver information system . . . . . . 19
® Fuel level . . . . . . . . . . . . . . . . . . . . 8
@ Trip odometer reset knob . . . . . . . 23
Coolant temperature indicator
The coolan t temperature display c:> page 8,
fig. 3
(D only functions when the ignition is
switched on. To prevent engine damage, p lease
observe the following notes about the tempera­
ture ranges.
Cold rang e
If o nly the L EDs in the left area of the gauge turn
on, the engine has not reached operating tem­
perature yet. Avoid high engine speeds, full ac­
celerating and heavy engine loads .
Normal range
The engine has reached its operating tempera­
ture once the LEDs up to the center of the gauge
turn on . If the . indicator light in the Infotain­
ment system display turns on, the coolant tem­
perature is too high
c:> page 12.
8
(D Note
-Aux iliary head lights and other accessories in
front of the coo ling-a ir intake impa ir the
cooling effect o f the coolant. This increases
the risk of the engine overheating during high outside temperatures and heavy en ­
gine load.
- T he front spoiler a lso helps to distribute
cooling air correctly while driving . If the
spoiler is damaged, the cooling effect will
be impaired and the risk of the eng ine over­
heating w ill increase. See an authorized
Audi dealer or author ized Audi Service Fa­
cility for assistance .
Fuel level
The indicator @ only func tions when the ignition
i s sw itched on. If the fuel level drops below 1.9
gal (7
L), a red LED wi ll light up and the rD indi­
cator light will turn on
c:> page 16 . The LED
blinks red when the fuel level is very low.
The fuel tank capacity of your veh icle is listed in
the
Techni cal Dat a sectio n c:> page 291. ..,_

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(D Note
Never drive until the tank is completely emp­
ty. The irregular supply of fuel that results
from that can cause engine misfires . Uncom­
busted fuel will then enter the exhaust sys­
tem. This can cause overheating and damage
to the catalytic converter .
Indicator lights
Description
The indicator lights in the instrument cluster
blink or turn on. They indicate functions or mal­
functions.
With some indicator lights, messages may ap­pear and warning signals may sound. The indica­
tor lights and messages in the display can be cov­
ered by other displays. To show them again, se­ lect the tab for the indicator lights and messages
using the multifunction steering wheel
c;, page 19. If there are several malfunct ions,
you can display them one at a time using the
thumbwheel.
Some ind icator lights in the display can display in
several colors .
Overview
Some indicator lights turn on briefly as a function
check whe n you switch the ign ition on . These sys­
tems are marked with a
,I in the following tables.
If one of these indicator lights does not turn on,
there is a ma lfunction in that system.
Red indicator lights
---------------
US A models :
Brake system ./ c;, page 10
Canada models:
Brake system ./ c;, page 10
USA models : electromechanical
parking brake¢
page 11
Canada models: electromechanical
parking brake¢
page 11
Cooling system
<=>page 12
Instruments and indicator lights
Engine oil pressure
c;,page 12
Generator
¢page 13
Engine stop while driving
¢page 13
Safety be lt
c;, page 13
Electromechanical steering./
c;,page 91
Steering lock
¢page 13
Central indicator light
c;,page 13
Engine start system
c;,page 13
Transmission malfunction
c;, page 70
Rear spoiler
c;,page 92
Yellow indicator lights
Electronic Stabilization Contro l (ESC)
,I c;, page 14
Electronic Stabilization Control (ESC)
./ c;, page 14
USA models: anti-lock braking sys­
tem (ABS)./
c;, page 14
Canada models: anti-lock braking
system (ABS) ./
c;, page 14
Safety systems ,I
c;,page 14
USA models:
Brake pads c;, page 14
Canada models:
Brake pads c;, page 14
Electromechanical parking brake
c;,page 11
Tire pressure monitoring system../
c>page264
Tire pressure monitoring system
<=>page 264
9

Instruments and indicator lights
There is a malfunction in the parking brake . Dr ive
to an authorized Audi dealer or authorized Audi
Serv ice Facility immediately to have the malfunc­
tion corrected .
1ij Parking brake: ma lfunction! Safely stop ve­
hicle . Ple ase contact Se rvice
There is a malfunction in the parking br ake. Dr ive
to an author ized Audi dealer or author ized A udi
Service Facility immediately to have the mal func­
tion corrected.
ltJil:Jl:)jf;U~ (USA model s) /
6] (Canada model s)
Ple ase rele ase p arking brake .
Re lease the park ing brake if this message ap­
pea rs .
IZJill :ljfj:0 (USA mod els) /
6] (C an ad a model s)
Parking brake auto rel ea se unavail able
If th is message appears, press the brake pedal
first and then release the parking brake.
IZ,i!;t:Jjf;U~U SA mod els ) /
K@) Parking b rak e: c aution! Vehicle pa rked too
steep
If the indicator light blinks and the message ap­
pears, there is not enough braking power to se­
cure the vehicle. The brakes have overheated. The
veh icle could roll away even on a small incline.
ltJ ilJ :jjJ:1:0 (USA model s) /
K@j Parking b rak e is appl ied
I f th is message appears, press the bra ke pedal
fi rst and then release the pa rking brake if neces­
sary .
(D Tips
For add it iona l information on the park ing
brake, see ¢
page 62.
-L Cooling system
• Turn off engine and check coolant le vel
The coolan t leve l is too low.
Do not cont inue drivi ng and switch the engine
off . Check the coolant level¢
page 241 .
12
-If the coo lant level is too low , add coolant
¢
page 241. Only continue driving once the in­
dicator light turns off.
• Coo la nt temperature : to o high . Let engine
run with veh icle stationa ry
Let the engine ru n at idle fo r a few minutes to
cool off, until t he ind icator lig ht t urns off .
- If the ind icator light does not turn off , do not
cont inue driving the veh icle. See an authorized
Audi dea le r or authorized Audi Service Facility
for assistance.
.&_ WARNING
- Never ope n the hood if you can see or hea r
steam or coo lant escaping from the engine
compartment. This increases the risk of
burns. Wait until you no longer see or hear
steam or coolant escaping.
- The engine compartment in any vehicle can
be a dangerous area. Stop the engine and
allow it to cool before working in the engine
compartment . Always follow the informa­
tion found in
Q page 235, Working in the
engine compartment .
(D Note
Do not continue driv ing if the . indicator
light turns on as this increases the risk of en­
g ine damage.
"I!::?': Engine oil pressure
• Turn off engin e. Oil pre ssure to o low
Stop the engine and do not continue driving. Check the eng ine oil level¢
page 239.
-If the eng ine oi l level is too low, add engine oil
¢
page 239 . Only continue driving once the in­
dicator light turns off.
-If the engine oi l level is correct and the indica­
tor light still blinks, turn the engine off and do
not continue dr iving . See an author iz ed Audi
dea ler or authori zed Audi Service Facility for as-
sistance . .,.

Warm and cold
Warm and cold
Climate control system
Description
The climate control system warms, cools and re­ moves humidity from the air in the vehicle interi­
or. It functions most effectively when the w in ­
dows are closed .
If there is a build-up of heat in­
side the vehicle , ventilation can help to speed up
the cooling process.
Pollutant filter
The po llutant filter removes pollutants such as
dust and pollen from the a ir.
Key recognit ion
Certain settings are automatically stored and as­
signed to the remote control key be ing used .
.&_ WARNING
Poor visibility can lead to accidents.
- For safer driving, keep all windows free of
ice, snow and fog.
- Become familiar as quickly as possible with
the correct use and function of the cl imate
contro l system, especially w ith the defrost­
ing and defogging function.
- Whe n the temperature is below freez ing,
on ly use the windsh ield washer system after
the windsh ie ld has been warmed by the cli­
mate contro l system . T he washer fluid cou ld
freeze o n the windshield and impair visibili­
ty .
(D Note
-If yo u suspect that the climate control sys ­
tem is damaged, switch the sys tem off to
52
prevent further damage and have it checked
by an authorized Audi dea ler or authorized
Audi Service Facility .
- Repairs to the Audi climate control system
require special technical knowledge and
special tools. See an authori zed Aud i dea ler
or authori zed Aud i Service Facility.
@) For the sa ke of the environment
Reducing the amo unt of fuel used also re­
duces the amount of pollutants that enter the
a ir .
(D Tips
- To prevent interference with the heating
and cooling output and to prevent the win­
dows from fogging over, the a ir intake in
front of the windshie ld m ust be free of ice ,
snow or leaves .
- Condensation from the cooling system can
dr ip and form a pudd le of water under t he
vehicle . This is norma l and does not mean
there is a lea k.
- The energy management system may sw itch
the seat heating* or rear window defroster
off tempora rily . These systems a re available
aga in as soo n as the energy supp ly has been
restore d.
- Th e flows throug h the vents under the rea r
window. Make su re t he openings are no t
c overed when plac ing clothing on the lug­
gage compa rtment cove r.

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Automatic climate control system controls
Fig. 61 Automatic climate control syste m: controls
You can control the functions through the dial,
buttons in the dial and the buttons. Press the
buttons to turn the functions on or off . The LED
in a button w ill light up when the funct ion is
switched on .
We recommend pressing the
IAUTOI button and
setting the temperature to 72 °F (22 °C). The au­
tomatic climate control system automatically
maintains a temperature once it has been set .
The air tempe rature coming from the vents, the
b lower speed, and the air distribution are also
automatically adjusted. In all heating mode f unc­
tions except
defrost, the b lower only switches to
a higher speed once the engine coolant has
reached a certain temperature.
~ Adjusting the blow er
The blower speed can be adjusted in small inc re­
ments using the dia l
(D. The blower should a l­
ways run at a low setting to prevent the windows
from fogging and to ensure a continuous ex­
change of air inside the vehicle. You can adjust
the volume of air generated by the blower to your
preference. To have the blower regulated auto­
mat ically, press the
IAU TOI button .
IA/Cj Switching cooling mode on and off
The cooling system is tur ned on and off w ith the
IA/C l button. The air is not cooled and humidity is
not removed when coo ling mode is sw itched off.
Warm and cold
This can cause fog on the windows. Cooling mode
switches off automatically when the outside tem­
perature is be low zero .
The temperature can be adjusted with the con­
trol @.
I• I • I Adjusting the temperature
T he tempe rature can be adjusted in small i ncre­
ments using the dial@.
IAUTO I Switching automatic mode on and off
The automatic mode is turned on using the
IAUTOI button. AUTO mode switches off once a
button in the climate con trol system is pressed.
Automat ic mode maintains a cons tant tempera­
tu re inside the vehicle . Air temperature, airf low
and air distribution are controlled automatically .
Adjusting the air distribution
The air distrib ution can be adjusted w ith the con­
t rol @ . To have the air d istr ibution regulated au ­
tomat ica lly, press the
IAUTOI butto n.
T he rou nd a ir ven ts in the cockpit a re adjustable
~page 54.
To keep the front side w indows from fogging up
in damp weather, we recommend ope ning t he
s ide a ir vents and ti lting them to the side.
53

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Engine compartment
Working in the engine compartment
Special care is required if you are working in the
engine compartment
F or wo rk in th e en gine c ompar tment su ch as
ch eckin g and fi llin g flu id s, th ere is a risk of in­
j u ry , sca lding , acci dent s, a nd b urn s. Fo r this
re aso n, follow all the warnin gs and ge nera l
saf ety pr eca uti ons pr ov ided in the follow in g i n·
form ation . Th e e ng ine c ompartm en t is a d an­
ger ous a re a .
¢ ,&. .
A WARNING
- T urn the engine off.
- Switch the ign ition off .
- Set the parking brake .
- Place the selector lever in the P pos it ion.
- Let the engine cool down.
- Never open the hood when there is steam or coolant escaping from the eng ine compart­
ment, because there is a risk that you could
be burned . Wait until no steam or coolant is
escaping .
- Keep children away from the engine com­
partment .
- Never spill fluids on a hot engine. These flu­
ids (such as the freeze protection contained
in the coolant) can catch fire .
- Avoid short circu its in the electrical system,
especially to the battery .
- When working in the engine compartment ,
remember that the radiator fan can sw itch
on even if the ign ition is switched off , which
increases the risk of pe rsonal injury.
- Never open the cap on the coolant expan­ sion tank when the eng ine is warm . The
cooling system is under pressu re .
- To protect your face, hands, and arms from
hot steam or coolant, cover the cap with a
large cloth when opening.
- Do not remove the engine cover under any
circumstances. This increases the risk of
burns.
- If tests need to be performed w ith the en­
gine running, there is additional dange r due
Ch eck ing and Filling
to moving components (such as the ribbed
be lt, alternator and radiator fan) and from
the high voltage ignition system.
- Do not press the acce lerator pedal inadver­
tently if a gear is selected when the vehicle
is stationary and the engine is running. Oth­
erwise, the vehicle will start to move imme ­
diate ly and this could result in an accident .
- Pay attent ion to the following warnings list­
ed when work on the fuel system or on the
electrical equipment is required.
- Do not smoke .
- Never wor k near open flames .
- Always have a working fi re extingu isher
nearby
- All work on the battery or electrical system
in your veh icle can result in inju ries, chemi­
cal burns, acc idents or burns . Because of
this, all work must be performed
onl y by an
authorized Audi dealer or authorized Audi
Service Facility.
- To reduce the risk of electric shock and in­
jury, never touch the following components
when the engine is running or is being start·
ed:
- Ign it ion cable
- Other components in the electronic high -
voltage ign ition system
- If you must check or perform work on the
engine wh ile it is running:
- Set the parking brake and place the selec­
tor lever in the P (park) position first .
- Always proceed w ith extreme caution so
that clothing, jewelry or long hair do not
become caught in the radiator fan , fan
belt or other moving components or do
not come into contact with hot compo­
nents. Tie back long hair before beginning
work and do not wear clothing that can hang down into the engine .
- Lim it your exposure to exhaust and chemi­
cals to as short a time as possible
¢ ,&. .
A WARNING '"--
California Proposition 65 Warning:
235

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Cooling system
Coolant
The engine cooling system is filled with a mixture
of pur ified water and coolant additive at the fac­
tory. This coo lant must not be not changed.
The coolant level is monitored through the. in­
dicator light
¢page 12. However , we do recom­
mend occasionally check ing the coo lant level
manually.
If you must add coolant, use a mixture of water
and coolant addit ive. Mixing the coolant additive
with distilled water is recommended.
Coolant additive
The coolant additive is made of anti-freez ing and
corros ion protection agents. Only use the follow­
ing coolant addit ives . These additives may be
mixed with each other.
Coolant additive Specification
G13 TL 774
J
G12++ TL 774 G
The amount of coo lant add itive that needs to be
mixed with water depends on the climate where
the vehicle will be operated. If the coolant addi­ tive percentage is too low, the coolant can freeze
and damage the engine.
Coolant addi- Freeze protec-
tive tion
Warm regions min. 40%, m in. -13 °F
max. 45% (-25 °C)
Cold regions min. 50%, max
. -40 °F
max. 55% (-40 °C)
(D Note
- Before the start of winter, have your author­
ized Audi dealer or authorized Audi Service
Facility check if the coolant additive in your
vehicle matches the percentage appropriate
for the climate . Th is is especially important
when driving in colder climates.
- If the appropriate coolant additive is not
available in an emergency, do not add any
other additive . You could damage the en-
Checking and Filling
gine. If this happens, only use water and re­
store the correct mixture ratio with the
specified coolant add it ive as soon as possi­
ble.
- Only refill with new coolant .
- Radiator sealant must not be mixed with
the coolant.
Adding coolant
Fig. 184 Engine compartment: coolant expansio n ta nk
cover
-N
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Observe the safety precautions ¢ A in Working
in the engine comportment on page 235.
Checking the engine coolant level
.,. Park your vehicle on a leve l surface .
.,. Switch the ignition off.
.,. Read the coolant level on the coolant expansion
tank
¢ page 237, fig . 181. The coolant level
must be between the markings when the en­
gine in cold . When the engine is warm it can be
slightly above the upper mark ing .
Adding coolant Requirement: there must be a residual amount of
coolant in the expansion tank
¢ (D .
.,. Let the engine cool down.
.,. Place a cloth over the coolant expansion tank
cap and unscrew the cap counterclockw ise
Q .&, .
.,. Add coolant m ixed in the correct rat io
¢ page 241 up to the upper marking .
.,. Make sure that the fluid level remains stable.
Add more coolant if necessa ry .
.,. Close the cap securely .
Coo lant loss usually indicates there is a leak. Im-
mediately drive your vehicle to an author ized .,..
241