2021 AUDI TT bulb

Quick access


Red indicator lights
Central indicator light
> page 7,
Instrument cluster
=>page 10
































Cooling system
=> page 10,
=> page 207,
=> page 207
Electromechanical parking brake
=> page 16,
=> page 79
Electromechanical parking brake
=> page 16,
=> page 79
Steering lock
=> page 16
Engine start system
> page 16
Engine stop
=>page 17
Safety belt
=>page 57
Transmission
=> page 83,
=> page 87
Brake system
=> page 107,
=> page 209
Brake system
=> page 107,
=> page 209
Steering
=> page 107
Rear spoiler
=> page 108
Hood
=> page 202
Engine oil pressure
=> page 204
Electrical system
=> page 209
Yellow indicator lights
Central indicator light
=> page 7



























Engine speed limitation
=>page 11
Engine speed limitation
=>page 11,
Drive system
=>page 17
Tank system
> page 12,
=>page 198
Electromechanical parking brake
=>page 16
Steering lock
=> page 16
Engine start system
=> page 16
Electronic Stabilization Control
(ESC)
=> page 17,
=> page 104,
=> page 107
Electronic Stabilization Control
(ESC)
=> page 17,
=> page 105
Anti-lock braking system (ABS)
=> page 717,
=> page 107
Anti-lock braking system (ABS)
=> page 17,
=> page 107
Suspension control
=> page 17
Battery in remote control key
=> page 20
Bulb failure indicator
=> page 38
Adaptive light
> page 38
Light/rain sensor
> page 38,
=> page 43

Lights and Vision

Daytime running lights
USA models: the daytime running lights can be
switched on or off using the MMI. Select On or
Off.
Canada models: this function cannot be switched
off. They activate automatically each time the ig-
nition is switched on. This menu item is shown
with a “gray background”.
Entry/exit lighting
The Entry/exit lighting illuminates the area
around the vehicle when the vehicle is unlocked
or when the driver’s door is opened while the ig-
nition is off. The entry/exit lighting works when it
is dark and the light switch is in the AUTO posi-
tion. The front and rear daytime running lights*
switch on automatically each time the vehicle is
unlocked regardless of how bright it is outside
the vehicle.
Emergency flashers
a 2 3 g
g|
z a.


Fig. 42 Center console: emergency flasher button
The emergency flashers makes other drivers
aware of your vehicle in dangerous situations.
> Press the A button to switch the emergency
flashers on or off.
When the emergency flashers are turned on, the
a and B indicator lights will flash at the same
time.
You can indicate a lane change or a turn when the
emergency flashers are switched on by using the
turn signal lever. The emergency flashers stop
temporarily.
The emergency flashers also work when the igni-
tion is turned off.
38
G) Tips
You should switch the emergency flashers on
if:
— you are the last car in a traffic jam so that
all other vehicles approaching from behind
can see your vehicle
— your vehicle has broken down or you are
having an emergency
—your vehicle is being towed or if you are tow-
ing another vehicle
Messages
If the & indicator light turns on, a bulb has
failed. The message indicates the location of the
bulb. Replace the bulb immediately.
Vehicle lights: malfunction! Please contact
Service
There is a malfunction in the headlights or the
light switch. Drive immediately to an authorized
Audi dealer or authorized Audi Service Facility to
have the malfunction repaired.
Bg) Audi adaptive light: malfunction! See own-
er's manual
Adaptive light* is not working. The headlights
still function.
Drive immediately to an authorized Audi dealer
or authorized Audi Service Facility to have the
malfunction repaired.
a Automatic headlights: malfunction! See
owner's manual
The light/rain sensor is malfunctioning.
The low beams remain switched on at all times
for safety reasons when the light switch is in the
AUTO position. However, you can continue to
turn the lights on and off using the light switch.
Drive immediately to an authorized Audi dealer
or authorized Audi Service Facility to have the
malfunction repaired.
Ba Headlight range control: malfunction! See
owner's manual

8S1012721BE
Lights and Vision

There is a malfunction in the headlight range
control system, which may cause glare for other
drivers.
Drive to an authorized Audi dealer or authorized
Audi Service Facility immediately to have the
malfunction corrected.
Ww
— Light bulbs are pressurized and can explode
when they are replaced, which increases the
risk of injury.
—To reduce the risk of fatal injury, the high-
voltage component on HID headlights (xe-



non lights) must be handled correctly.

Interior lighting
Interior lighting

BFV-0181


Fig. 43 Headliner: interior lighting
4 - Door contact switch. The interior lighting is
controlled automatically.
A switch is no longer needed to switch the read-
ing lights on. A swiping movement or a brief tap
on the light is all that is needed to switch the
light on or off. If you hold your finger on the read-
ing light when switching it on, this can dim the
light down to a certain level.
Interior lighting
There are other optional interior lighting func-
tions that are available. Several functions can be
set in the Infotainment system. Select in the In-
fotainment system: [MENU] button > Vehicle >
left control button > Vehicle settings > Interior
lighting.



Instrument i
a
Ss
g 3 a o
Fig. 44 Light switch: instrument illumination
4%, - The brightness of the instrument cluster
and the center console can be adjusted.
> Press the knob to release it.
> Turn the knob toward "-" or "+" to reduce or in-
crease the brightness.
> Press the knob again to return it to its original
Position.
Vision
Adjusting the exterior mirrors
| BFv-0217|
Fig. 45 Driver's door: knob for the exterior mirrors
> Turn the knob in the driver's door to the desired
position:
0 - Deactivates all adjustment functions.
/ © - Selects the left or right exterior mirror.
To adjust the mirror glass in a mirror, press the
knob in the desired direction.
GA - Heats the mirror glass depending on the
outside temperature.
S\ - Folds the exterior mirrors*. To fold the mir-
rors out, turn the knob to one of the other posi-
tions. In the Infotainment system, you can select >
39

8S1012721BE
Fuses and bulbs

Fuses and bulbs
Fuses
eer mee
S 6
= o

q
= 2 % a.

Fig. 197 Left side of the engine compartment: fuse cover
A fuse that has blown will have metal strips that
have burned through. The fuses are located in the
interior and in the engine compartment.
Fuses in the interior
> Switch the ignition and all electrical equipment
off.
> Check the table that follows to see which fuse
belongs to the equipment.
» Remove the cover > fig. 196.
> Remove the plastic clip from the fuse panel
cover in the engine compartment © fig. 197.
> Remove the fuse using the clip.
> Replace the blown fuse only with a fuse that
has the same amp rating.
> Install the cover.
Fuses in the engine compartment
> Switch the ignition and all electrical equipment
off > A\.
> Check the following table to see which fuse be-
longs to the equipment > page 255.
> Remove the fuse panel cover > fig. 197.
> Remove the plastic clip from the fuse panel
cover > fig. 197.
> Remove the fuse using the clip.
> Replace the blown fuse only with a fuse that
has the same amp rating.
Fuse color identification








Color Current rating
in amps
Black 1
Purple 3
Light brown 5
Brown 7.5
Red 10
Blue 15
Yellow 20
White or transparent [25
Green 30
Orange 40
Z\ WARNING
Do not repair fuses and never replace a blown
fuse with one that has a higher amp rating.
This can cause damage to the electrical sys-
tem and increases the risk of fire.

CG) Note
If a new fuse burns out again shortly after you
have installed it, have the electrical system
checked as soon as possible by an authorized
Audi dealer or authorized Audi Service Facility.
(i) Tips
— The following table does not list fuse loca-
tions that are not used.
— Some of the equipment listed in the follow-
ing tables applies only to certain model ver-
sions or certain optional equipment.
253

Fuses and bulbs

Fuse assign

No. Equipment

18 Rearview camera

19
Convenience access and start authoriza-
tion control module

20
Driver’s and front passenger’s lumbar sup-
port


Fig. 198 Vehicle interior: fuse assignment
22
Front passenger's side neck heating (Road-
ster)

24
Right vehicle electrical system control
module

25 Driver’s side power window

26 Seat heating

27 Vehicle electrical system control module

28 Audi music interface, USB connection

29 Luggage compartment lighting

32 Driver assistance systems

33
Airbag, front passenger’s seat electronics,
roof electronics control module


Hold assist button, interior sound, tail




















34 | light switch, climate control system pres-
No. | Equipment sure sensor, neck heating, sockets
1 | Engine components, exhaust treatment Diagnostics, headlamp range control, air
4
|Infotainment control panel, sound system 35 | quality sensor, rearview mirror, cockpit
5 | Diagnostic connection switch module
6 |Automatic transmission selector lever 36 | Right headlight
Climate control systems control panel, 37 [Left headlight
7 |rear window heating, tire pressure moni- 38 Engine control module, Electronic Stabili-
toring zation Control (ESC)
Parking brake switch, light switch, rain/ 39 | Front passenger's side power window
light sensor, roof electronics control mod- AO | Cigarette lighter, sockets
8 |ule, diagnostic interface, emergency call 41 | Fuel leak diagnosis
and communication control module, con- 7 -
SUPADRIOR HIORIEOFIA 42 Vehicle electrical system control module,
P 9 central locking
9 |Steeri l lectroni
Sg CeIn ess 44 |All wheel drive control module
10 | Vehicle positionin : ;
P - g - 45 | Driver's side seat adjustment
11 aes oe 46 | Driver's side neck heating (Roadster)
49 | Engine start, clutch sensor
12 |Sound system, Infotainment system g
14 | Cimareconttol system Blower 52 | Control module for suspension control
53 | Rear window defogger
15 | Electronic steering column lock window 99°
16 | Exterior antenna, Infotainment system The power seats* are protected via circuit break-
Instrument cluster, emergency call and ers that automatically switch on after a few sec-
17 | -ommunication control module onds after the overload has been reduced.

254

8S1012721BE
Fuses and bulbs

Fig. 199 Left side of engine compartment: fuse assign-
ment.

No.


23 Engine start

341 Engine components, fuel injectors

35 Climate control system

36 Left headlight





3 | Drive system control module

Engine components, engine cooling, oil
temperature/oil level sensor

5 | Exhaust temperature sensor

Brake light switch

haust treatment
Engine cooling, oil pressure regulation, ex-

8 | Heated oxygen sensors

9 |Engine components, exhaust door

10 | Fuel pump

13 |Transmission fluid pump

15 |Horn

16 | Engine components

17 |Suppressor

18
garage door opener control module
Diagnostic interface, battery monitoring,

19 | Windshield wipers

20 | Anti-theft alarm system

21 | Automatic transmission control module


22 | Drive system control module, diagnosis

38

Right headlight

Bulbs
Your vehicle is equipped with maintenance-free
headlights and tail lights. However, if a light bulb
needs to be replaced, please contact an author-
ized Audi dealer or authorized Audi Service Facili-
ty.
255

Index

Balance:(SOund) cisco a cxavore a x assess « ¥ exeane 193
Band
refer to Frequency band............... 164
Bassi(SOUn) « semar » somone oa umes © a name © ee 193
Battery, secvos «x sxumes ow cxrnens w a aumees vo aston vo 210
Charging .... 0.0... cece cence eee eens 211
Winter Operation s « ween s » ewe « e eewe + we 210
Bluetooth
AUGIO player » secu ss mone oo oasna oo inane wo 172
Connecting a mobile phone............ 128
Settings...............00 000020000 192
BoOSt .. 6... eee eee eee 15
Boost pressure indicator................. 15
Brake fluid
Checking the brake fluid level........... 209
Brakes... eee ee 106
Brakeiassist: worn « : mann a ¢ mage se seme a a 104
Brake assist systeM............0--000. 104
Brake fluid... 0.6... cece eee eee 209
Electromechanical parking brake......... 79
Emergency braking function............. 79
New brake pads..............--.00000- 106
Braids. « scwens 1 « sneewes 4 sesuees «0 otoaets 0 6 ssenwen a 195
Break-in security feature..........0e. eee 24
Breaking in
New brake pads..............--00000- 106
Ne@Wtit@Sicic s esses » i ows 2 3 paoes se eer 5 221
Browser
refer to Media center..............44. 178
Bulb replacements: ss ease ss eeu 3 i owes s 255
Buttons
Controlpaneli(MMI):. « . ssssiss 6 a secunes os ames 110
Cc
Cable (USB adapter/AUX connector cable).. 175
California Proposition 65 Warning........ 201
Battery:specificien: 2 = cas 2 onsen = mesa x ex 210
GalLUst + sion os wri oo ewan vo enn e HeeN = 132
CalloptionSees « cams = 4 cape + eee & ¥ eee 139
Capacities
Fueltanks, « sess x x csosein oe mewe woo cone eve 264
Washer fluid reservoir..............--. 264
CAPEK Yeine 5 x cxowens « eaviece a 6 enzsite au use + 1 wens 19
CARWASH. & anasnos c+ wnscwns o esnarne > x camtene H axeee 236
Catalytic converter’. wei 6 ewe ve eww vv oe 200
CD drive (media drives)................. 171
266
Cell phone
refer to Telephone.............00 eee 128
Cell phone compartment
refer to Audi phone box............... 130
Center armrest ....... 00. c cece eee eee es 47
Central locking.................0 ese eeee 18
AUTO LOGK:: » cuoz = wees: = sem 4 s seu 2 mae 18
Conveniencerkey’s sic. zs suvses se sven « stamens 22
Convenience opening and closing......... 27
Mechanically unlocking and locking....... 24
Remote'control keyicssis so issn se aera s 6 oem 21
Setting. ........ 0.0... 23)
Central locking switch..............0.00. 23
Ceramic Drakes :.cvcr: 2 2 sweieue eo wane oo cxivaue a vs 106
Certiticationses «swans x x aveins a x cxmmve a x aeaoans 261
Changing light bulbs................... 255
Charging
refer to Power sourceS..........-0000005 63
Charging the battery (mobile devices). 130, 176
Child safety seats...............-.000065 57
Securing to the top tether anchor........ 62
Securing with a safety belt.............. 60
Securing with LATCH: « « suas: ss gee 2 x seem 60
GlaSSie VieWirs « = sccm & x news © 2 etme cg eee we 13
Cleaning... 2.2.2... eee eee eee eee 236
Cleaning Alcantara.............-..0000. 239
Cleaning artificial leather............... 239
Cleaning carbon components........ 238, 239
Cleaning Controls'. « sieve ee sree oo eevee + 0 we 239
Cleaning decorative parts andtrim... 238, 239
Cleaning exhaust tail pipes.............. 238
Cleaning plastic parts .;. 2s gcse ss qeam = soe 239
Cleaning tail lights................00.-. 237
Cleaning textiles.................0000. 239
Cleaning the wind deflector............. 238
Climate control system............-..0-- 69
Climate control system (automatic)
Drive select............ 0.0002 eee eee 96
Clock... eee eee eee eee eee 189
Closing
COnVENIENCE-ClOSING awe se sere = t means = x ow 27
HOOGs: 2 5 acs 2 2 wie os wena so mez wan 202
Luggage compartment lid............... 25
WINGWS%: 4 = sews 3s Saas 7 a Hees oa ee a Ad 27
Cockpit (overview) .............0000ee eee 6
Color code... . 6. cece eee ee eee eee eee 263