2021 AUDI A4 windshield wipers

Fuses and bulbs






Fuse panel @) (brown) Fuse panel (© (black)
14 | Fuel injectors, engine control module 11 Left rear door control module, left rear
15 |Ignition coils, heated oxygen sensors power window
16 | Fuel pump 12 | Parking heater
Fuse panel (®) (red) Fuse panel (0) (black)
No. | Equipment No. | Equipment

Anti-theft alarm system

Front seat electronic, seat ventilation,
rearview mirror, rear climate control sys-

































tem control panel, windshield heating, di-
agnostic connection
2 Diagnostic interface, vehicle electrical sys-
tem control module
3 |Sound generator
4 |Clutch position sensor
5S |Engine start, emergency shut-off
6 Diagnostic connection, traffic information
antenna (TMC)
7 |USB input
8 |Garage door opener
9 Audi adaptive cruise control, distance reg-
ulation
11 | Front camera
12 | Right headlight
13 | Left headlight
14 | Transmission fluid cooling
Fuse panel (©) (red)
No. | Equipment
1 {Ignition coils
2 |Climate control system compressor
S |Left headlight
6 |Automatic transmission
7 |Instrument panel
8 | Climate control system blower
9 |Right headlight
10 | Dynamic steering
11 | Engine start



2 | Engine control module
3 Left front seat electronics, lumbar sup-
port, massaging seat
4 | Automatic transmission selector lever
5 |Horn
6 |Parking brake
7 | Diagnostic interface
8 | Roof electronics control module
9 |Emergency call module
10 | Airbag control module
11 Electronic Stabilization Control (ESC), An-
ti-Lock Braking System (ABS)
12 | Diagnostic connection, light/rain sensor
13 | Climate control system
14 | Right front door control module
15 | Climate control system compressor
16 | Brake system pressure reservoir
Fuse panel (©) (black)
No. | Equipment
Front seat heating
2 |Windshield wipers
Left headlight electronics
4 Panoramic glass roof / sliding/tilting sun-
roof
5 |Left front door control module
6 | Sockets
7 Right rear door control module, right rear
power window
All wheel drive control module
9 | Right headlight electronics
10 Windshield washer system/headlight

washer system control module

274

8W1012721BC

HFP
refer to Hands Free Profile............. 162
High beams
High beam assistant.................4. 52
Highway lights ....... 0... cece eee eee ee ee 51
Hill descent assist..............02-000. 108
Hill descent control............0 eee eee 107
Hill hold assist... 0.0.2... ee ee eee eee 97
Home
refer to Home address...........-000% 187
Home address ....... 0.00.0. c eee eee ee 187
HomeLink
refer to Garage door opener............. 48
Home screen... ... 2. eee e eee eee eee eee 18
HOM... eee eee 6
Hotspot
refer to Wi-Fi...........0. 2.0 e eee eee 176
I
Idle
fefer to Gears ewes ¢ s ewes ce seen cs wees 8: 97
Ignition
Switching onvand Off". wes x y says « ¢ caver « 9 95
Imbalance (wheels) ............000000 0s 244
Immobilizer
refer to Electronic immobilizer........... 37
Indicatorlights » neow ¢ a wes ¢ ewer ws wares ao ee 7
INSpPectionintetWals ¢ ssw < gapen g x paves se ne 233
INStroMment ClUStErs = wasn s x wom » x eowe sy ew 12
Adjusting the layout................00. 13:
Cleaning........ 0... eee eee eee eee 258
ENGin@: code: « = sas ¢ seas ¢ eee ae Heese 215
Failures: «osc 2s mene oe pews se ee ¥ ee 12
On-board computer............00200 eee 16
Operating...............2.. 0.02.0 000 13
Service interval display................ 233
Software information................. 215
Switching tabs..................200005 13
Switching the view............ 00ers 13
Vehicle functions................00000- 16
Version information...............0-5 215
Instruments
Adjusting illumination.................. 55
Integrated Toll Module................. 125
Intelligent search
Navigation’: « s sxe 5 ¢ caw + + seein s o tees = 182
Interior lighting « . esccms ve ewe ve mes vw 54,55
Interior MONitOriNg’s + 2 wesw ce wows s ween a ae 36
Intermittent mode (windshield wipers) ..... 58
International’ travel... seessieivaseveuea Li?
Internet
veferto:connects =» ssw ss wees eo wes 2 oe 173
Internet radio
refer to Online radio.............. 197,198
iPhone
refer to Audi music interface........... 202
J
Jump starting......................00. 268
K
ROY". ccanees i a: sonra i ot samme +o anames o 9 ames @ 33,37
Convenience opening and closing......... 46
Key replacement.........c:eecceeeeees 37
Mechanical key...........0...000 02000 37
PANIC button ....... 2.20... 00 cece eee eee 38
Replacing the battery.................. 39
Unlocking and locking.............e eee 38
Vehicle code... 6.2.2... eee eee eee eee 37
Key user... 2... ee eee ee eee 31
RICK EOWING. « ccenerts «a: eames 0 a ayngen eo acne 9 me 99
L
Lane assist
refer to Audi active lane assist.......... 141
Lane departure warning
refer to Audi active lane assist.......... 141
Laptimer........... 0.000000. 0.0 2000. 124
Evaluating s « saws « & cae & & eee so ees os 125
StANEIINGsis 6 & conse w o owen 7 cummins & 7 aE & > 124
LATCH (securing child safety seats)......... 78
Leather care and cleaning............... 258
Legal information
License subscriptions................. 215
Software information................. 215
Software licenseSicx « s wews ss wee s genes 215
Version information...............000- 21S
License plate: brackets + scies 6 seen 3 6 ser 283
Lifting points (vehicle jack).............. 264
293

Index

Light/rain sensor
Automatic headlights...............00. 51
Intermittent mode (windshield wipers).... 58
CIGHEING': « = sex & = eees & 3 Raw & HeieE 2 F eee 51
EXteriOr’s + cess 2 vem av cen a 2 ee a 2 es 51
TCORIOR ccioe + 0 soniane » : semcace wo wsesure aw ececeat as 54
Listening to music
referto Media................-4- 201, 203
Load... . i.e eee ee 287
E@GAULUSERS ti « sietas oo exansie a « ainsi o x avesiee 8 8 30
Locking and unlocking
By remote control..............-.000-- 38
Using the lock cylinder................. 36
With the convenience key............... 38
Low beam headlights.................00. 51
LTE
refer to Exterior antenna.............. 165
Luggage compartment.................. 83
Cover (power)... ... ce eee eee eee eee 85
Increasing the size................. 85, 86
Passethroughiis « essen s sons a o cos @ sens 6 86
Power SOUrCES .... 1 ee eee eee eee 82
TIG-COWNS sss = ses & z gars se peen st wen ee 87
Valet parking’: « cca es weve ae seme se corre 48
also refer to Luggage compartment...... 83
Luggage compartment lid................ 44
Closing button... ..... 0. cee eee eee eee 4l
General information.................05 40
Mechanically unlocking..............45. 43
Opening and closing................... 41
Opening and closing with foot motion..... 42
Opening from the inside in an emergency... 44
Power opening and closing.............. 41
Luggage compartment net............... 87
Lumbar support...........2.-.000 eee eee 64
M
Maintenance’. » seica i sce ov aveasc vo acanans os 281
Maintenance intervals................-5 233:
Malfunction Indicator Lamp (MIL)........ 220
Manual SHIMING:: « « cows a « cows a x cow a 2 Hew 99
Map
Changing the scale........... 000. seen 184
Display.... 2.0... ee eee eee eee 186
Operating: « asx s x news ¢ o Rew 2 b eRe Fe 185
Setting the destination................ 184
294
MAP
refer to Message Access Profile......... 170
Map preview............0..0 0000000008 184
Map update................02..000 00 189
myAudi app... .. eee c cece eee ee eee 189
ONUNG:: s sexe + 2 wees 2 Ree es Sea Gof Here 189
USBiGONMECEION sxicase s % suncane « © sxenass « © sons 190
Massage function
Front... cece eee eee ees 65
Mechanical key........ 0.0.0 e eee eee eee 37
Media « sisi s ccinene vo anvensa we ot aweseni a aie 201, 203
Supported formats.................-- 207
Media
center.................00000 eee 204
Memory function. ......... 0.0 eee eee eee 71
Menu language
refer to Setting the language........... 212
Menu paths......... 0.0.0... eee eee eee ee 18
Message Access Profile................. 170
MesSagesins « « sows so cavewse 9 a exmnsue wv oss ¥ 6 170
Mitrorcompassy oe sic 3 2 miss oo mar 2 8 aw 61
Mirrors
Adjusting exterior mirrors............... 55
Dimming... 06... cee e eee eee eee 56
Vanity mitror's « wax » ¢ anes 2 y tows © s ewe 57
MMI Navigation plus
refer to Multi Media Interface........... 19
MMI radio
refer
to Multi Media Interface........... 19
MMI Radio plus
refer to Multi Media Interface........... 19
Mobile device
refer to Telephone.............00e000 162
Mobile device reminder signal............ 166
Mountain passes...................00. 107
Mountain roads................0000 eee 107
Multifunction steering wheel
Buttons... 0... 02... cee eee eee 13,29
Operating: « s ws « x eeu sy eee so ewe se 13
Programming buttons...............05- 29
Voice recognition system.............-. 26
Multi Media Interface................... 19
Menus and symbols...............--04- 20
Operating’: « owes 2 wae o 6 wore oo were 17,20
Switching on or off..............02.00. 19
MWC Gpceie 3 5 coveine 6 & cxemens «4 carves ww sagan © & ome 29
MYAUG Es. : aseuore & csesain o cauees oe wrens woo 30,174

Index

Parking lock
Manually releasing.............00000- 100
also refer to Gears... 6... eee e eee eee 97
Partition W@t sca < ssces v enees s aren ase 86, 87
Pass-through... .... cc eee cence eens 86
Pedals... 2... cece eee eee eee 99
Perchlorate ....... 0. eee eee ee eee 281
Peripheral cameras............0.000085 152
Phone
Connecting a second mobile device...... 163
Disconnecting a mobile device.......... 164
SONGS ccsain » iam © © wravens a % aosmem w v soveTs 6 169
Phonebook
refer to Directory.......... 0. e ee eae 167
PIN
A-digit myAudi PIN.................00. 30
PROLECHON sev: « ¢ cee x o cares § e oem oe ee 31
Playback (media). . sss. ss sees ie cease ee 203
Podcast
refer to Online radio.............. 197,198
POLISHINGisax « ¢ eee + & eee Eee a Ree a ee 257
Pollen filter
refer to Pollutant filter................. 90
Pollutant filter’: . aces ss seee s bees ween as 90
POWEP SOUPCES:: « = seme: =v seme ee meee e 82, 202
Power WiINdOWS ......... 0 eee e eee eens 45
Malfunction ns san 2 wean es ween a 2 wees = 45
Power windows malfunction.............. 45
Predictive control.............-.00e000- 133
Predictive messages..............--005- 129
pre sense
refer to Audi presense................ 143
Presentation mode..............-+-008 192
Presets
RadiGicres s ¢ eves 5 2 neues x 5 Haus oe ROWS FB: 196
Presets list
Feferto Presetsicis <2 sais Pressure
Tire pressure monitoring system........ 253
Tif@S': + : asvox ¢ & eaime & & eG 3 5 HORS 7 ES 245
Profile picture... . eee eee eee ee eee 30
Protecting ..... 0... 0c cece cece eee 257
Pyrotechnic elements..............000 281
296
Q
quattro... 2... eee 112
Selective wheel torque control.......... 113
R
RSGiG}: = : suse » 5 mews ¢ 2 Swe 2 a eee x eee 193
RadiOteXtiscn casi a i ance @ a anemia oo anew 196
Station list... 2.0.0... ee eee 193
Radio communications equipment........ 283
Radio‘equipment ....... eeen ee een ee eee 283
Radio Standards Specification (RSS) ....... 284
Rain/light sensor
Automatic headlights.................. 51
Intermittent mode (windshield wipers).... 58
Random
refer to Shuffle: . s sses s+ ovens peewee: 205
Range (fuel level) .................00000. 16
Reading lights.............. 2.000 eee eee 54
Rear cross-traffic assist.............0005 156
Rear lid
refer to Luggage compartment lid........ 41
Rear seatS.. 1... . cee eee eee 85, 86
Rear shelf
refer to Storage area behind the rear head
FEStrAINES wssve 2 o wawere oo esi ¥ 6 Rae @ 8 eens 83
Rearview camera... 12.1... ee eee eee eenes 152
Rear window defogger...............000 93
Rear wiper blades
Changing sec = wee ws were ov nee oo ae 8 60
Cleaning..... 2... . 6. cece eee 60
Recirculation mode..............--00005 92
RECUPERATION cesses vu suceae « & cameson ww eames ow Re 16
Refrigerant Oilivics = 5 wean eo wenn eo wwe 2 a0 287
Refueling’: ss sees 2 = saws 7 5 tees Fe ewe ro: 218
Remote access authorization (key user)..... 31
Remote control
Garage door opener..............2+-00. 48
Remote control key.............---.e eee 37
Convenience opening and closing......... 46
Key replacement...............--000-- 37
LED = suse 3 = wens = » owime oy ceeme se Rees ee 39
PANICTUMECIONS: « cscsses cs wrencce so ansnesa 3 8 arene 37
Replacing the battery.................. 39
Unlocking and locking...............005 38
also refer to Vehicle key..............-. 37

Index

Washing matte finish paint.............. 255
Wave band
refer to Frequency band............... 193
Weights ........ 20.0.0 cece eee eee eee
Wheel bolts « ssscs vo sssme vo sence vo avemee 9 oe

Cleaning....
Glossary of tire and loading terminology .. 238
Replacing. ......... 0. cece eee eee eee 263
Tire pressure monitoring system........ 253
Tires and vehicle load limits............ 248
Wheel.wrenelis = sens ss zeus < + cea + x seme 261
Wi-Fi
Hotspotsetti gsi s & sce 6 o soscs oa sniwace o 176
Using ahotspot............. 00.2 eee 174
Windows
Child safety lock......... 2.0.0 eee eee 44
Cleaning and removing ice............. 257
Convenience opening and closing......... 46
Defrosting............ 0. cece eee eee 93
Opening and closing.................-. 45
Power windows: « « ssc 3 cscs v 6 soevens ¥ a 45
Windshield
Cleaning.................2.20.000.00 00 58
DE@TROSEING + = same ¢ s coms 3 x eR GC BEE EF 93
also refer to Windshield................ 58
Windshield washer system........... 58, 233
Windshield wipers...............-.0000- 58
Winter operation
Gar Washes « scm « 2 sam 4 2 soon o 2 oun oo 255
Cooling systeM.......... cee cece eee 227
Defrosting the windows................ 93
Rear window defogger...........-..005 93
Removing ice from windows............ 257
Seat heating... 0... cece ee eee eee eee 92
SNOW CHAINS swe « s wep « = womys go Qe eo oe 2511,
Steering wheel heating................. 93
TiOS 0. ete 250
Vehicle battery (12 Volt).............0. 231
Windshield washer system............. 233
WINtErtIReS sriseas a 3 aeveses ao oramees 5 w mesaun oe vd 250
Wireless Apple CarPlay
refer to Audi smartphone interface...... 210
Wireless charging...............+++05- 165
300