heating AUDI A4 2021 Owner´s Manual

Fuses and bulbs


2 | Audi phone box

Right front seat electronics, lumbar sup-
port, massaging seat
4 |Side assist


6 |Tire pressure monitoring system

Convenience access and start authoriza-
tion control module

8 | Auxiliary heating, tank module

TV tuner, data exchange and telematics
10 control module

11 | Auxiliary battery control module

12 | Garage door opener

13 | Rearview camera, peripheral cameras
14 | Right tail lights
16 | Airbag control module



No. | Equipment

Exhaust treatment
Right trailer hitch light
Trailer hitch
Left trailer hitch light
Trailer hitch socket


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O};N]/
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Ww

All wheel drive control module, sport dif-
10
ferential


11 | Exhaust treatment

Bulbs
Replacing bulbs
Audi recommends having a bulb replaced by an
authorized Audi dealer or authorized Audi Service
Facility in cases of doubt. These facilities have
the correct tools and replacement parts as well
as the required technical knowledge.
LED lights*
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.
276

If you still would like to try replacing the
bulbs in your vehicle yourself, read the warn-
ings regarding working in the engine compart-
ment > A\ in General information on
page 221.

Make sure the covers are fitted correctly on
the headlight and tail light so that no water
will leak in from the outside and the light
function will not be impaired.

Index

ExteriOmmirrorssecs os asco w 6 aeons vo ween 9 we 55
Folding settings............. eee eee eee 34
External voice operation................. 27
F
Factory default settings
Multi Media Interface................. 213
Fast route............ 0.0.0.0. . cee eee 182
Favorites... 0.2.0.0... cee eee eee eee 21
BIW@tOOth): < seca ss ceca s i yews se ees 2s 215
NaViGatiOnices ss sescsus so aves + ware eo nena 183
Telephone ..........0 00 cece eee eee 167
Federal Communications Commission (FCC) . 284
File formats (media drives).............. 207
Filling
Tank capacities.......... eee eee eee 287
For the sake of the environment
Disposing of engine oil................ 226
FOGUING's « « supe ¢ ¢ cause 5s same 7 2 eee a eae 218
LOAKS ice ie x erences = 6 caenene a 6 aueuioe we axons 6 eae 222
Forward gear
refer to Gears... . eee eee eee 97
Free text search
Media... .... eee ee eee eee 206
RadiO sys = ¢ seove + © sees ¢ crews ge pew Es 195
also refer to Intelligent search.......... 182
Freeze protection
Coolant... ... 2... eee eee eee 227
Windshield washer system............. 233
Frequency band..........-....--.000-5 193
also refer to Frequency band........... 193
Front center armrest..............02 0005 66
Front passenger’s seat adjustment
REAR « ieiam co nasi 3 onan + wR Ts HeEEE Be RO 65
Front wiper blades
Changing.......... 00. c eee ee eee eee 59
Cleaning... .. cece eee 59
Fuel... 2. eee eee eee 217
AGGItIVES: = ess = ven e = sees os owen ee xe 218
CUFrFeENE CONSUMPTION ¢ & sesso 6 3 ese ao eee 16
Fueldisplay....... 2... cece eee eee eee 12
GaSOliNGs « sees ss ween oe eee ce een es es 217
Reducing fuel consumption............ 102
Tank capacity...........0 ee eee eee eee 287
292
Fueling
Fuel filler door. ....... 0... cece eee eee 218
Fuel filler door emergency release....... 220
Functions on demand...............4.. 175
Functions that require a license.......... 75S
also refer to Functions on demand....... 175
Fuses
ASSIQNMENKS « & senses o 8 mnmors & & mamens @ & inerer 273
Replacing......... 0. cece eee eee eee 272
G
Garage door opener...........0..000 eee 48
Garment hooks ...... 2... 0c e eee eee eee 83
GaSOUME sscwee a 2 evarnes a a omawwes vx amos ow vase 2 217
Additives... 0.0.0... eee e cece eee eee 218
GasOliNe MIXtURE cnn « : seam ct same & 2 Hew 217
GAWR
refer to Gross Axle Weight Rating (GAWR) . 287
GOSTSics + nayss = = pees = yeu se eeUR GE ROUSE 97
Glossary of tire and loading terminology... 238
Glove compartment.............--000-05 83
Valet parking: « < ews + ¢ sees se news oe ees 48
Gross Axle Weight Rating (GAWR)........ 287
Gross Vehicle Weight Rating (GVWR)...... 287
GVWR
refer to Gross Vehicle Weight
Rating (GVWR) .............0000.0005 287
H
Handstreess «sss x i souness 6 0 annwine «a auaware x 163
Hands Free: Profiles «3 inisa ao inesow a vow & 163
Head-up display
Adjusting. ........... 0c cee eee eee eee 25
Adjusting the brightness................ 55
Operatings « : vem « x ewe 5 ¢ eee g 7 eee oe 25
Headlight range control................0. §1
H@AdLIQtS: ¢ = xcs ¢ < eees x = Resa cB eS ea 51
Gleanings « 2 svc so wes 2 wea ee res ees 256
Headlight range control................ 51
Washer system.........--00 eee eee eee 58
Washer system (filling washer fluid) .... . 233
Head restraints < seus « s ems s + sates =v egops se 67
Heated rear window...........0 eee eee 93
Heated steering wheel..............000.. 93
Heating...........0.. 00.0. cee 90

8W1012721BC

Removing the caps (wheel bolts)......... 264
ROP alts sass 2 2 mais o eaten w & wee we ONC oe 281
Replacement key........ cece eee eeee eens 37
Replacement parts’ « exw « « ques yo eawes x oe 283
Replacing bulbs a. = ssws st eee ee ewes ees 276
Reporting Safety Defects................ 283
Reverse gear
WEfEF LO GESTS savas sy euaw co wees co wee a 97
Reversible cargo floor..............0000e 88
RIMS 2... eee ee 250
Cleaning = « sss + © seovs 3 & sees to ews ee oe 257
ROUING’s = wanes « ween os woe eo Ree ee BeeE Ye 96
Rolling ability
Electromechanical parking brake........ 106
Transmission idley. . 5 sso + saene oo siecaun oa an 98
Roof
refer to Panoramic glass roof............ 47
Roof load. ...........2.. 020222 e eee eee 287
ROO FAG cece sxcuens ao manor a w amante « oxewemnce «ate 88
also refer to Roof rack..........-...0-4. 88
Route guidance
StOPPING swe = ones ¢ ¥ Hee se carey o 2 SOS 185
also refer to Navigation............... 181
Running direction (tires)..............-. 266
S
Safety beltSies x » saws x 2 uae ¢ ¢ mew 2» REwH 6 2 68
Cleaning.......... 0. ec eee eee eee 258
LOCKING... 6.6.6 c cece eee eee 79
Securing child safety seats.............. 79
Satellite Map seve ss wees 2 o ees 7 e owe es 188
Saving fuel
Energy CONSUMEeMSisscs so sxe v waar a 9 were 16
Recuperation........ 00. c eee eee eee ee 16
Screen
refer to Touch display...............-.. 17
Screwdriver ........ 0.00. cece eee eee 261
Search function
refer to Free text search............... 206
Seat heating............. ee eee eee eee 92
Seats
ACJUStING as: « 2 ems « 2 weaw § § see FE wR Fe 64
Cleaning « « cia se even eo one oo ae oo os 258
Folding the rearseats............... 85, 86
Head feStraints): « sass ¢ « maven ss sane ¢ ¢ ners 67
Memory function « ses + 2 vei se eens see 71

Resetting the position.................. 65
Storing a seat profile...............000. 71
Seat ventilation....................000. 92
Securing the vehicle...............0.-00. 96
Selecting a source (media).............. 203
Selector lever. « o svvne 2 x wos 2 x ames w a anes & 97
Selector lever position
WEPFEPTOLGCATS « sere ao ammraye «a sma omens © 97
Sensors
Coverage areaS... eee eee eee 118
LOGatiOnS =< < sacs ¢ + seem & s wows ey eee 2 119
Service interval display................. 233
SET REAR (button).............00000000e 92
Setting measurement units.............. 212
SettingS ..... 0... eee eee eee eee eee 212
Announcements and tones............. 212
BlUGtOOthis « 2 sss + wese s + wow x 5 Hern gee 213
Daterand time < s ecine « 2 ovens w 5 xneee 3 3 212
Language
Measurement units.................-. 212
Media... .. eee eee eee eee 207
Navigation...........0..0..0.002 eee 191
RadiGiecy: x » swe sv mee 4 e cow & yee £ ee 199
SOUMG rsx « & ssexine 6 1 aveveus wo ecicens o eneN Bo 212
SysteM . 2... ee eee 212
TiMe/ZONCcas « x mewe 7 2 aoe ¢ Hom ae BERR 212
WiItFi OtSPOt eneves oo coevene oe cress wo creer vo 176
Setting the language................... 212
Setting the time's « « saws ve ees ve cee vo 212
Shift paddles-sies < y esas ¢ weeew y ween ss ewe 99
SHGprs « s seams © o EtOH 7c REGS FOE ROR EE ese = 175
Shuffle... 2... eee eee eee 205
Side assist... 0.6... eee eee eee ee 147
Cleaning the sensors...............-.. 256
SIMiGard's sasan 3 4 case ¢ s BGG Te Rew FB eR 174
Sliding/tilting sunroof...............005- 46
Emergency closing...........--+eeeeeee 46
SUMSH AGES swims wa ssanave ox somcene @ x aeauawe ww sean 46
also refer to Panoramic glass roof........ 47
Smart Favorites
pefer to Presets ex « « ewan se een ce eee ee 196
Smartphone
refer to Telephone...........-seeee0e: 162
STOW CHAINS): « 2 qs a 2 ews a @ eee a x ReE x 251
Socket
refer to Power sourceS..........--.20-05 82
297

Index

Software information
Legalinformation................0005 215
Software version (MMI)
Version information.................. 215
Sound
refer to Adjusting the sound............ 212
Space-saving spare tire (compact spare tire) . 266
SPaKEUEGS s 5 mane x 5 Rates EES Gs Hate Gs HE 266
Speed limit information
refer to Traffic sign recognition......... 121
Speed limits
refer to Traffic sign recognition......... 121
SPeCdOMEtEl’s sess 5 & sess s ¥ ceews « ¥ eee vee 12
Speed warning system..........-..0-0-5 121
Sport'differéntial see: < = sea ss sees se pens 112
Start/Stop system. ...........0 2-00 eee 102
Switching off ANGION « « saves 6 «ewe oe Barer 103
Starting to- drives: < s sees = « sews + ¢ ews + ¢ oes 96
Starting (CNGINe)'. sy ewes sc agus + ewer Fes 103
Steering.......... 0.0... cee eee eee eee 111
Audi drive select s sas < 2 cawa ys gown 3 a ae 110
also refer to Steering..............-.. 111
Steering locki.s © sss ev eee eo esses x v anevere 2 ¥ 95
Steering wheel
Adjusting... . 22.00... cece e eee e eee 66
Adjusting manually..............-.0005 66
Shiftipaddles » sccwose eo smn ov enews oo sreaw «3 99
Steering wheel heating................. 93
also refer to Multifunction steering wheel. . 13
Steps for determining correct load limit... 249
Stopover (navigation) .................. 185
SEOPPING eer « 6: wsszeice « exconene w 6 eaonene « 6 ecto» & arene 96
Stopping the vehicle..........6c0. ee ewes 96
SCOPpING (ENGINE) ccs s 6 swe vo swe a 6 wives 103
StOMaGelss ¢ « aay ov pawn ¢ & mews ov Hews 6 oe 83
Storage area behind the rear head restraints. 83
Storage areas « = sews 5 x wees 6 2 pes be eG 83
Stored stations
refer'to Presetsias ss meas ss cen sv emo ve 196
Straps: « ses ¢ x neers oo eeoRS ae ee Te ee 83
Sunshade
Rear doorsis « 3 wien oo sue oa weswen os amen 2 0 57
ROOF... eee eens 47
also refer to Sunshade................. 47
SUN VISOFS 2.6... eee eee 57
298
SUSPENSION « cxcisws is « somuses © v snvvaus + v soteees & oH LLL
Audi drive select..............0000008 110
Swapping calls.............-.000 22-0 168
Swerve assist... 2.0... cece eee eee 145
Symbols
Navigation .......... 0... e cece eee eee 185
"TRATHIC cure: « = seme x ¢ sees ¥ 2 ree ¢ Eee a 190
also refer to Indicator lights.............. 7
SYNG (BUTDON) bax ss see oo msc ow ocemue w wane 92
SYStEM SELCINGS + zens «= geome & x seme ee eee 212
T
TaChOMi@teP eccs = s eae 2 = ween x 2 ess ae 12,14
Tail lights
Cleanings: « = sxe 2 & semis 2 wea <2 wre ee 256
Techinical'data: « s sss « = news = 2 saree 2 ¢ oe 286
Technical modifications................. 281
Tel@phone:.« < a ccsg + hues as Seen ss HEeRs 5 162
Accepting/ending acall................ 168
Audi phone box............00 0c eee ee 164
Charging the battery (USB)............. 165
Charging the battery (wireless) ......... 165
Connecting a mobile phone............ 162
Dialing anumber................00065 168
Exterior antenna s. « ¢ sss. ¢ sews tc caw 165
Mobile device reminder signal.......... 166
Options during aphonecall............ 168
PlayitiG:(MUSie « seers + x was 4 © seme = & eerew 201
Temperature display (outside temperature).. 15
Temperature gauge
GOOlANE « seuss ¢ 2 wenn ov mew 4 & QewE a CED 12
TeXUINDUE « saws 5 = eames 5 © eae & & ewe ¥ HERE 23
TeXUHESSAGES cauve s + seme 5: SeeE xo wee 170
SOCCINGS sisson 5 & somes oy moRM & + aseRHEE & ematENG 170
also refer to Text messages............ 170
TieSAOWINS: 2 2 crmscne 2 renee 2 us enews © sacs = 87
Tightening specification
Wheel bolts.............0 0. c eee eee 266
Tightening specification (wheel bolts) ..... 266
THM. «scones oo aenane ao aera © amen © terete © 16
tiptronic
refer to Manual shifting................ 99
Tire Mobility System (tire repair set)....... 261
TIRCS © secason i 2 vnswene 6 = vouaens 6H cusaas © # amevaee vo 9 235
Changing.......... 0... eee eee ee eee ee 263
LOW=Profiletires:: seis ss newe « x gome ¥ x ae 251

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