2015 AUDI TT ROADSTER brake sensor

14 Instruments and warning/indicator lights
Engine oil sensor malfunction
Qpage20
Battery
Qpage 16
Low fuel level
Qpage20
Windshield washer fluid level low
Q page20
Defective light bulb
Q page20
USA models: Defective brake light
Qpage20
Canada models: Defective brake
light
Q page 20
Dynamic headlight range control*
defective
Q page 20
Adaptive Light* defective
Q page20
Light/rain sensor defective (auto ­
matic headlights)* defective
Q page 21
Audi magnetic ride
Qpage 21
Rear spoiler./
Qpage 21
USA models: Speed warning 1
~page 75
Canada models: Speed warning 1
~page 75
USA models: Speed wa rning 2
~ page 75
Canada models: Speed warning 2
~page 75
Electro -mechanical power assist
~ page 17
Other indicator lights
•ii
T
urn s ignals
~ page 21
CRUISE USA models: Cruise control acti­
vated
~ page 21
Canada models: Cruise control ac­
tivated
~ page 21
High beam
Qpage50
BRAKE/ ((D) Brake system
This warning/indicator light illuminates when
the brake fluid level is too low or when there
is a malfunction in the ABS, or when the park­
ing brake is set.
If the. (USA models) . (Canada models)
symbol flashes in the display with the parking
brake released , there is a malfunction in the
brake system. In addition to the symbol, one
of two messages appears in the display:
Stop vehicle and check brake fluid level
Stabilization program and ABS fault! See
Owner's manual
.,. Pull off the road and stop the veh icle.
.,. Obtain profess ional assistance.
USA models: if there is a ma lfunction in the
ABS system, the
II warning/indicator light il­
luminates along with the. system malfunc­
t ion warning/indicator light
Q &. .
Canada models: if there is a malfunction in
the ABS system, the
[IJ warning/indicator
light illuminates together with the. brake
system malfunction warning/indicator light
Q&. ,
The light . (USA)/ . (Canada) illuminates
when the ignition is turned on. It goes o ut af­
ter the engine has been started and the park­ ing brake is fully released . This indicates that
the brake warn ing light is funct ion ing proper­
ly.
If the brake warning light does not light up
when the engine is cranking or the parking
brake is applied, there may be a malfunction
in the electrical system. In this case, contact
your Audi dealer.
If the ABS fa ils, the ABS warn ing/ indicator
light
II (USA models)/ [IJ (Canada mode ls) ..,.

20 Instruments and warning/indicator lights
If the Ill symbol comes on, add 1 quart (1 li­
ter) of oil at the next opportunity
c:::> page 169.
'.!2" .... Engine oil sensor defective
If the. symbol illuminates, contact your au­
thorized Audi dealer and have the oil sensor inspected.
Bil Fuel supply too low
When the D symbol illuminates, this means
there are about 1.9 gallons (7 liters) of fuel
left in the fuel tank. Time to refuel!
c:::> page 161.
If the symbol lights up, even when there is
ample fuel in the tank, and the text
Tank sys­
tem malfunction! Please contact workshop
appears in the display, there is a fault in the
system. Contact a qualified workshop to have
the fault rectified.
co Windshield washer fluid level too
low
If the B symbol illuminates, add windshield
washer fluid to the washer system
c:::> page 179.
® Defective light bulb warning
If a defective bulb has been detected by the
system or a light bulb burns out, the
&:J sym­
bol with a message appears in the display to
tell you which bulb is burnt out and where it is
located. For example:
Rear left turn signal
After 5 seconds, the message disappears . If
you want to recall the message into the dis­
play, press the CH ECK button
c:::> page 10,
fig. 3(i) .
There are three reasons why the defective
bulb message would appear in the display:
- The light bulb has burnt out
r:> page 215.
-The fuse is "blown" r:> page 212, Replacing
fuses .
-The wire connection to the light bulb is de-
fective.
Have the bulb replaced or the connection re­
paired by your authorized Audi Service depart­
ment.
A WARNING
- Light bulbs are pressurized and could ex­
plode while they are being changed caus­
ing serious personal injury.
- Work with due care when handling the
high-voltage section of gas discharge
(xenon) lamps. Failing to do so could re­
sult in death or serious injury!
BRAKE LIGHT!<®> Brake light defective
In case of a malfunction or component fail ­
ure, the symbol. (USA models)/Kf' ~» (Canada
models) can appear. The following electrical
components should be checked, repaired or
replaced, as necessary:
- Brake light bulbs
- All wiring connections
- Brake light switch
Contact your authorized Audi dealer for assis­
tance if necessary.
(D Tips
The brake light switch is only inspected as
part of the functional check after the en­
gine is started.
~CD Headlight range control defective
Applies to vehicles: wit h dynamic headlight range adjust·
ment
If the II illuminates, the dynamic headlight
range control is no longer working properly.
Have the system checked and repaired at your
authorized Audi dealer.
~O Adaptive light defective
Applies to vehicles: with Adapt ive Lig ht
m;J Adaptive light defective

Vehicl e ca re a nd cl eanin g 155
& WARNING
-Only wash the vehicle when the ignition
is off and follow the instructions from
the car wash operator to reduce the risk
of accidents.
- To reduce the risk of cuts, protect your­
self from sharp meta l components when
washing the underbody or the inside of
the wheel housings.
- After washing the vehicle, the braking ef­
fect may be delayed due to moisture on
the brake rotors or ice in the winter . The
brakes must be dried first with a few
careful brake applicat ions .
{[) Note
-If you wash the vehicle in an automatic
car wash, you must retract the extend a­ ble rear spo iler* if necessary, and fold
the exte rior m irrors in to reduce the risk
of damage. Power folding exterior mir­ rors* must only be folded in and out us­
i ng the power folding function .
- To prevent pa int damage, do not wash
the veh icle in direct sunlight.
- To reduce the risk of damage, do not
wash the power top with a p ressure
washer. -
To reduce the r isk of damage, do not
wash decorative decals * with a pressure
washer.
- To reduce the risk of damage to the sur­
face, do not use insect removing spong­
es, kitchen sponges or similar items.
- Matte finish painted vehicle compo­
nents:
- To reduce the risk of damage to the
surface, do not use polishing agents or hard wax.
- Never use car wash cycles that apply
protective wax.
It can destroy the
matte fi nish effect.
- Do not place any stickers o r magnet ic
signs on vehicle parts painted w ith
matte fin ish paint. The paint cou ld be
damaged when the stickers o r magnets
are removed.
@ For the sake of the environment
Only wash the vehicle in facilities spec ia lly
designed for that purpose. This will reduce
the risk o f dirty water contaminated with
oil from entering t he sewer system.
Cleaning and care information
When clean ing and caring for individual vehi ­
cle components, refer to the fo llow ing tab le.
The information contained there is simp ly rec ­
ommendations. For questions or for compo- nents that are not listed,
refer to an author­
ized Audi dea ler or a qualified workshop. Also
follow the information found in ~ .&. -
Clean in g e xterior
Component Situ ation Solution
Wiper bl ade s
Dirty ~ page 5 6, Cleaning windshield wiper blades
Hea dligh ts/ Dirty Soft sponge with a mild soap solution al
tail ligh ts
Sen sor s
Dirty Sensors: soft cloth w ith a solvent-free cleaning product
Camera lenses: soft cloth with an alcohol-free cleaning
solution
Snow/ice Hand brush/so
lvent-free de-icing spray
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Fuse Location, Instrument Panel left
0
Fig. 161 Fuse carrier behind the instrument panel end
face, cover removed
Some of the eq u i prnent items listed a re op­
tional or only available on certain model con­
f igurations.
Note that the following table is accurate at
the time of going to press and is subject to
change. In the event of d iscrepancies, the la­
bel on the in side of the cover always takes
precedence .
The power seats are protected by circuit
breakers ,
which automatically reset after a
few seconds after the overload has been rem­
ed ied.
No. Equipment Amps
Engine relay, fuel tank cont ro l
1
unit, A irbag Off light, light
10 switch (sw itch illumi nation), di-
agnostic connector
2
ABS, ASR, ESC, brake light
5 switch
3 AFS headlight (left) 5
No.
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21 22
23
Fuses and bulbs 213
Equipment Amps
Oil level sensor (extended main-
tenance interval)
(WIV), t ir e
press ure monitoring system,
sw itch for Electron ic Stabiliza-
5 tion Control (ESC), AFS head-
lights (control unit), A/C system
(pressure sensor), backup light
sw itch
Automatic headlight range con- trol, AFS headlight (right) /
5/10
manual headlight range con-
trol, halogen headlights
Control unit for CAN data trans-
fer (gateway), electrornechani-
5 cal steering, automatic trans-
miss ion shift gate
Acoustic Park Assist, automatic
d ip ping interior rear
view rnir-
ror, garage door opener, heata-
5 ble windshield washer nozzles,
washer pump, w ind deflector
relay (Roadster)
H aldex clutch/Ha ldex clutch
5/10 (TTS)
Control un it Audi magnetic ride
5
A irbag contro l unit 5
Mass airflow sensor, crankcase 5/10
heating
Door control unit (central lock -
10 ing driver/passenger)
Diagnostic connector
10
Rain sensor, automatic trans-
5 miss ion sh ift gate
Roof light (interior lighting)
5
A/C system (contro l unit) 10
Tire pressure monitoring sys -
5 tern (control un it)
Not used
Not used
Not used
Fuel injectors (gasoline eng ine)
10
Wind deflector (Roadster) 30
Horn 20

Matte finish paint cleaning .... .. .. .. . 154
Menu button . . . . . . . . . . . . . . . . . . . . . . . . 25
Menu display . . . . . . . . . . . . . . . . . . . . . . . .
24
M irrors
Activating the digital compass . ... .. ..
58
Ad justing the exterior mirrors ... .. .. .. 52
dimming ... ..... ..... ... ... ... .... 53
M on itoring the Advanced Airbag System
118
N
Natural leather
Cleaning . .. .. .. .. .. .... ... .. .. .. .
157
New tires and wheels
NHTSA 191
Contacting ..... .. .... ... .. .. .. .... 98
Number of seats ................. ... 100
0
Occupant seating posit ions ...... ... ... 92
Octane rating . .. .. ..... ... .. .. .. .. .
160
Odometer . .. .... ......... .. .. .. .... 1 2
O il
refer to Engine oil . ....... .. .. .. .. . 166
On -Board Diagnostic System (OBD)
Data Link Connector (DLC) . ... .. .. .. .. 30
E lectronic speed limiter . . . . . . . . . . . . . . 30
Malfunct ion Indicator Lamp (MIL) . .. .. 30
Open door or front lid warning . . . . . . . . . 22
Opening convert ible top
manually . ......... ......... .... ... 42
Operate your vehicle econom ica lly and
minim ize pollution ......... .. .. .. .. .
151
Opt iona l equipment
M arked with an asterisk . . . . . . . . . . . . . . . 6
Othe r equipment (effic iency p rog ram) . .. 27
Outlets . .. .. ............. .... .. .. ..
64
Outside m irrors
refer to Exterior mirrors . . . . . . . . . . . . . 52
Outside temperature display ..... ... ... 22
Owner 's man ua l
H ow the Owner's Manua l is organized . . . 6
p
Paint damage 156
P aint No ... .. .... ......... .. .. .. .. . 22 2
Inde x 235
Park assist . ... .... ... .. .. ..... ... .. . 79
Cleaning sensors lenses . ..... ... .. .. 155
Pa rking . . . . . . . . . . . . . . . . . . . . . . . . 75 , 83
Parking brake . .. .. ................. . 74
Parking brake warning . ... .... ... .. .. . 15
Pa rking on a decline (downhill) ....... .. 75
Pa rking on an incline (uphill) ... ... .. .. . 75
Pa rts replacement . .... ......... .. .. 2 27
Pass-through . . . . . . . . . . . . . . . . . . . . . . . . 62
PASSE NGER A IR BAG OF F light . ... .. ..
119
Passive safety system .... ....... .... .. 91
Pedals ....... .. .. .................. 96
Physi cal p rinciples of a fron tal collision 101
Plastic parts
Cleaning ........ .. ...............
156
Polishing ... .. .. .. .... ............. 156
Pollen filter . . . . . . . . . . . . . . . . . . . . . . . . . 68
Pollutant filter .. .. .. ................ 68
Power locking switch .. .. ..... ... .. .. . 36
Power loc king system ... ......... .. .. . 34
Convenience close/open feature . . . . . . .
40
Locking and unloc king the veh icle from
1 ns1de . ... .. .... .. . .. .. ..... ... .. . 36
Opening and closing the win dows ... ...
40
Rear lid/tru nk lid ... . .. ..... ... .. .. . 37
Remote contro l .. ............. .. .. . 33
U nlocking and locking vehicle .... .. .. . 35
Power out lets . . . . . . . . . . . . . . . . . . . . . . .
64
Power seats
Adjustment . . . . . . . . . . . . . . . . . . . . . . .
61
Power steer ing
refer to Electro-mechanical power as-
s ist . . . . . . . . . . . . . . . . . . . . . . . . .
17, 145
Power top
Cleaning .. .. .. .. .. ...............
156
Convenience close/open feature .. .. .. . 43
Convenience openi ng/clos ing ...... .. . 43
Power window switches .. ..... ... .. .. . 39
Reactivating the system ..... ... .. .. .
40
Pregnant women
S p eci al considerations w hen we aring a
sa fe ty be lt .. .. .. .... .............
105
Programming the Homeli nk universal re ­
mote control . . . . . . . . . . . . . . . . . . . . . . . .
88
Proper occupant seating positions . .. .. . 92
Pro per safety belt posi tion ........ .. ..
104
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