2021 AUDI A8 immobilizer

Opening and closing


PANIC —To turn the alarm off, press the button
again.

Lost key/replacing a key
If a vehicle key is lost, contact an authorized Audi
dealer or authorized Audi Service Facility. Have
this vehicle key deactivated. It is important to
bring all keys with you.
If a key is lost, you should report it to your insur-
ance company.
Electronic immobilizer
The immobilizer prevents unauthorized use of
the vehicle.
In some cases, it may not be possible to start the
vehicle if there is a vehicle key from a different
vehicle manufacturer on the key chain.
Data in the vehicle key
When driving, service and maintenance-relevant
data is continuously stored in your vehicle key. An
authorized Audi dealer or authorized Audi Service
Facility can read out this data and tell you about
the work your vehicle needs.

ZA WARNING
Observe the safety precautions > page 41.

@) Note
Protect the key against high temperatures
and direct sunlight.
@ For the sake of the environment
XE Do not dispose of vehicle keys in household
trash. They contain materials that can be re-
cycled. Contact an authorized Audi dealer or
authorized Audi Service Facility for more in-
formation.
@) Tips
— The vehicle key function can be temporarily
disrupted by interference from transmitters
near the vehicle working in the same fre-
quency range (such as a mobile device or ra-
dio equipment). Always check if your vehicle
is locked.
46
— Applies to MMI: You can view the number of
keys programmed to the vehicle by selecting
on the home screen: VEHICLE > Settings &
Service > Vehicle information.
— The system complies with United States FCC
regulations and ISED regulations
=> page 341.
Unlocking and locking the vehicle

[RAZ-0025]
my

Fig. 32 Door handle: sensor for locking
Depending on the vehicle equipment, you may
have various options for unlocking and locking
your vehicle. The settings in the MMI specify
which doors will unlock > page 42.
Unlocking or locking using the vehicle key
buttons
> To unlock the vehicle, press the & button
=> page 45, fig. 31.
> To lock the vehicle, press the ff button once.
Unlocking or locking using the sensors
Applies to: vehicles with convenience key
> To unlock a door or the luggage compartment
lid, grasp the door handle or luggage compart-
ment lid handle.
> To lock the vehicle, close the door and touch
the sensor on the door handle once > fig. 32.
Do not grasp the door handle while locking the
vehicle, or else the vehicle will not lock. The
door cannot be opened for a brief period direct-
ly after locking it. This way you have the oppor-
tunity to check if the doors locked correctly. >

Detailsts » swccu © x wweove ox seivean a x seme 2 2 wees 233)
Determining correct load limit........... 303
Digital compass ..............0 eee eee 68
DIMENSIONS): « : wees « « wees sg eas ge eR ae 343
Dimming the exterior mirrors............. 64
Dimming the rearview mirror............. 64
Directory .... 2... eee cee eee eee 216
BUSINGSS;Card wen = waam 2 2 weien x > mane a o 216
SeOttiNQS: css « serene ¢ v suewas ev ere Sw eee & 219
Display
CLEARTITG Ae = «: susnens a oi urea ao cieeie « 0) anetine 0 i 313
DispOSalecie «+ sssoee a 0 ensues wo mezess vv arate @ 338
DistamC@ enc o «vse ov wasen a a oawe 2 a wm ¥ os 16
Distance warning sews so ssc + awson 9 & secon 175
Doors
Ghildisafiety lOGk seccas x 0 neue x cnemen « 0 aseasin 3 51
Door contact switch...............200-. 62
Mechanically unlocking and locking....... 44
Power closing/closing aid............... 41
Driver information system................ 13
Drives
refer to Media...............0-4- 250, 253
Drive select
refer to Audi drive select............... 124
Drive systeM.... 0.0... ee eee eee eee 114, 118
Audi drive select .............0.000008 124
Driving down hills.............2.-00 eee 122
Driving program........ see e eens 110,174
Driving through water.................. 122
Drivingueiime’, so sxeusie «i coissen © a onmvire © eaten wo 2 16
Driving tips
Driving through water...............-- 122
Efficient driving : see: sy esse ss ores 5 ces 116
Uphill and downhill................... 122
Driving UpHillsss « » sess x = wavs a & saws 2 5 wee 122
DVDidfivein: « « saves 2 = cms 5 2 ewes & ese Fe 251
Dynamic all-wheel steering.............. 127
E
| 220
S@CtiNGS news « woes © s woos 4 & ween & 3 rane 220
EDL
refer to Electronic Differential Lock...... 129
EDR
refer to Event Data Recorder (EDR)...... 333
348
Efficiency assiStccc «sows 6 = meee ow eeaee ¥ o 164
Predictive control...............00005 170
Electrical system ..... 0.0... 0. eee eee ee 284
Electric range... . 2... eee eee eee 238
Electromechanical parking brake......... 121
Electronic Differential Lock.............. 129
Electronic immobilizer sss. 5 s een so mayen 4 os 46
Electronic Stabilization Control........... 129
Embedded SIM card s « saga « ¢ secon ae was ¢ 3 223
Emergency assist. ..........00-.0ee eee 186
Emergency assistance.................. 317
Emergency braking function............. 121
Emergency call...............-00. 218, 227
Emergency flashers.............---000-- 61
Emergency Mode w icies saw es cee ee een 112
Emergency operation
DOORS iss secwous « os exewans = x caamene = exanems = > wR & = 44
Fuel filler door... ..... 00... eee eee eee 273
Luggage compartment lid............... 51
Panoramic:glass rOOF sre. 6 2 sree «2 severe o oe 54
Emissions control system.........-.0005 273
Eneroy COnsUMMersios se neww + wen a s eee a sg 16
Enéroy flow display’: sce: ss swam + s aes vee 115
Energy management............--...0- 117
Energy recovery.............0..0.0000. 114
Engine
Breakinigniti's « seus « segues x ¢ awe 3 eee Ze 114
Coolant. ascvons vs acne wo awcvces 0 a semana w stamese 281
Emergency stop.......--..00-.ee eee 107
JUMP StACING « ¢ gems + a eee gy eS 8s ee 323
Start/Stop system « secs so sews oe enews ¥ oo 117
Starting/stopping.............0.-000 107
Engine braking effect
refer to Recuperation................. 114
Engine compartment
Opening and closing the hood.......... 276
OVERVIEW « cscs +o soeces «a sserens wo aewens © a ow 277
Safety precautions..............0000 0 274
Engine oil
AGING « xsins < = cevan ¢ § Sates 7 5 Ee FS ESR 277
CHANGING ie: @ 2 ween 2s eee sa ee oe ewe 2 280
Checking oil level... .. 0... . cee ee eee eee 277
Consumption....................200- 277
Indicator lights. 5 ws s ewes » s wwe as eens 278
Replacement interval................. 287
Temperature display................0-. 1s

Index

Glossary of tire and loading terminology... 292
Glove compartment ........0. 0c cece scene 97
Cooled... 62... eee eee 95
Valet parking’: + exes « ¥ cans & ¢ Sees + ¥ eevee 2 55
Gross Axle Weight Rating (GAWR)........ 344
Gross Vehicle Weight Rating (GVWR) ...... 344
GVWR
refer to Gross Vehicle Weight
Rating (GVWR) « sees © 2 sorves 2 0 ssamewe « a aes 344
H
Handset
refer to Rear Seat Remote............... 26
Hamdstreeis « snscsa: x x srawaws a x sams tv aceon wx one 210
HandsiFree Profiles. «ssw oo amin ss mmm © 210
Head-up display
TAGJUSTIAG scsi «6 sxsvews «a anexsen on amma 6 suszens wo 33
Adjusting the brightness................ 63
QOPErSLING’s + aces 3 = news 3 2 mom § ede + Ee 33
Headlight range control...............00. 58
Headlights
Cleaning’: « ¢ saws = ¢ sews oy eeew ee ees ene 311
Headlight range control................ 58
Washer system... .. 0... eee eee eee eee 66
Washer system (filling washer fluid) ..... 287
Head restraints
IACJUStIN Gans s cuecem @ 3 owen « 8 wee 6 oreHeR 79
Removing and installing................ 79
Heated rear Window occ. cee eee eee 102
Heated steering wheel.............00005 104
FO atingpasies ao svsise « & smwene © & anaes @ Hanae @ 0 6 100
HFP
refer to Hands Free Profile............. 209
High-voltage battery...............008- 131
Audi e-tron compact charging system.... 140
CharginiGee: « s eves = x sees + o eee eg 131, 134
Charging display on the vehicle......... 135
Charging equipment.................. 138
Charging methods.................... 131
Charging ports on the vehicle........... 131
Charging time.......... 2... eee eee 132
Connecting the charging cable.......... 134
Messages while driving................ 137
Not running for long periods of time..... 133
Opening the charging port door......... 134
Quick:eharging sec = 2 sews 2s eves vs wens we 131
350
Setting the timer’. « « esses v6 meee ve meee vs 136
Transporting charging equipment....... 139
High-voltage system............-...00-. 131
High beams
High beam assistant............00e00u 59
Highway lights..................-.0000s 58
Hill descent control.............0 2200s 122
Hill.holdiassisty. w:cesice x ecesese w = syersim oo avoir 109
Home
refer to Home address.............005 236
Home address............ 000-00 e eee 236
HomeLink
refer to Garage door opener............. 55
Home screen... 1... 0. cece eee eee eee ee 19
HOM... eee ete teens 6
Hotspot
refer to Wi-Fi...........0.- 00 eee eee 225
I
Ignition
Switching on and off...............0-. 107
Imbalance (wheels)..................-- 298
Immobilizer
refer to Electronic immobilizer........... 45
Indicator lights: : see: ss eens sy ores x copes se 7
Inspection interval............-.00--00. 287
Instrument cluster...............-0000-5 12
Adjusting the layout................0.. 13
Cleaning iwi: © swine ¥ o cwenie 2 weve wo 2 een « © 313
Engine code... .. 2... eee eee eee 267
FailUr@lve s = eee 2 x mown a = Beers ee ee x eee 12
Onsboard:computen « sss x x wari so swans oa 16
Operating......... 00. c cece eee ee eee 13
Service interval display...............- 287
Software information................. 267
Switching tabs.................0000005 13
SWitchintg CHE VIEW ass + ans 4 s ees xo Ra 13
Vehicle functions « « sivas < siren oo mewn 6 9 oe 16
Version information...............00- 267
Instrument illumination................. 63
Integrated assistance................0.. 20
Integrated Toll Module................. 161
Intelligent search
NaVvigatlotincs + weseuire + exaueas wo avassos i # eae 231
Interference-Causing Equipment Standard
(ICES) 2... eee eee 342