2021 AUDI A8 warning lights

4N0012721BF
Quick access

—Park assist plus ............... 198
— Driver assistance systems ...... 153
@_ Depending on equipment:
—Cup holder ..............00.. 95
—SOCkEt: ss seas ¢ 5 cease go eR Fe ee 94
@0) Depending on equipment:
— Starting the engine if there is a


malfunction ................. 108
— Audi music interface .......... 252
—Audi phone box ............... 211
@) Electromechanical parking brake
button 2... 6... cece ee ee eee ee 121
@ Automatic transmission selector
lever... 2... cece eee eee eee ee 109
@ [START ENGINE STOP] button .... 107
@4 Steering wheel adjustment ...... 78
@5) Lever for:
— Cruise control system ......... 163
— Adaptive cruise assist .......... 166
@8 Connection port for the On Board
Diagnostic System (OBD) ........ 333
@) Buttons for:
> LIQHtS sc ss sees ¢ 2 wees 3s ewes G 58
—All-weather lights ............ 58
— Rear fog lights ............... 58
Hood release .............0.00. 276
@9) Button for:
— Luggage compartment lid ...... 48
— Fuel filler door release (plug-in
hybrid drive) ............0.00. 27
60 Exterior mirror adjustment ...... 64
@2 Buttons for:
— Power windows .............. 52
—Child safety lock .............. 51
@) Tips
Some the equipment listed here is only instal-
led in certain models or is available as an op-
tion.
Indicator lights overview
The indicator lights in the instrument cluster
blink or turn on. They indicate functions or mal-
functions. Some warning and indicator lights
turn on when you switch the ignition on and must
turn off when the drive system is switched on or
while driving.
With some indicator lights, messages may ap-
pear and warning signals may sound. The indica-
tor lights and messages may be covered by other
displays. To show them again, select the second
tab for messages with the multifunction steering
wheel & page 13.
Some indicator lights in the display can display in
several colors.
ONC eae sh
If the A or A indicator light turns on, check
the message in the instrument cluster.
The following indicator lights may be available,
depending on the vehicle equipment:

Red indicator lights
Central indicator light
=> page 7,
Instrument cluster
=> page 12
Safety belt
=> page 82

















Engine start system
=> page 108
Transmission
=> page 112
Drive system
=> page 117,
Electrical system
=> page 284
Charging system
=> page 137
Electromechanical parking brake
=> page 121
Electromechanical parking brake
=> page 122

Quick access

Brake system
=> page 120, > page 122,
=> page 283
Lane departure warning
=> page 177,
Emergency assist
Brake system => page 186
=> page 120, > page 122,
=> page 283
Audi pre sense
=> page 179,
Intersection assist
=>page 185
Steering
=>page 127


Steering lock Yellow indicator lights
= page 127 Central indicator light
Air suspension > page 7
= page 126 Safety systems
Electrical system => page 85
=> page 284
Engine oil level (MIN)
=> page 278
Transmission
=>page 112
Drive system
=>page 117
Cooling system
> page 281
Engine oil pressure
=> page 278
Cooling system
=> page 281
Hood
=> page 276
Drive system
=>page 117
Vehicle sound
Charging system => page 117
= page 137 Engine start system
Loose wheel warning => page 108
=> page 304 Keys
Night vision assist => page 108
=> page 160 Electromechanical parking brake
Night vision assist => page 122
=> page 160 Brake system
Distance warning => page 120
=>page 175 Electronic Stabilization Control
(ESC)
=> page 129
Steering intervention request
=>page 170
Electronic Stabilization Control
(ESC)
=>page 129
Safe start monitor
=> page 173,
Driver intervention request
=> page 174 Electronic Stabilization Control
(ESC)
=> page 130
Anti-lock braking system (ABS)
=> page 130 >

Adaptive cruise assist
=> page 167

Quick access


Other indicator lights
Rear safety belt
=> page 82















Start/Stop system
>page 117
>page 114
Low beam headlights
=> page 58
Parking lights
=> page 58
Turn signals
=> page 59, > page 61
Cruise control system
=> page 163
Cruise control system
=> page 163
Efficiency assist
> page 164
Efficiency assist
=> page 164
Efficiency assist
=> page 164
Efficiency assist
=> page 164
Efficiency assist
=> page 164
Adaptive cruise assist
=> page 167
Adaptive cruise assist
=> page 167
Adaptive cruise assist
=> page 167
Adaptive cruise assist
=> page 167
Adaptive cruise assist
=> page 167
10
Electric drive ready mode
Park assist plus
=> page 199
Lane departure warning
=>page 177

High beam headlights
=> page 59
High beam assistant
=>page 59
Laser
lights
=> page 60
Rear safety belt
=> page 82
Transmission
=> page 112
Start/Stop system
=> page 117
Convenience key
=> page 108
Electromechanical parking brake
=> page 122
Electromechanical parking brake
=> page 122
Electric drive ready mode
= page 114
Electric drive ready mode
=>page 114
Combustion engine
>page 115
Plug-in hybrid modes
=>page 114
Plug-in hybrid modes
=> page 114
Plug-in hybrid modes
>page 114
Steering
>page 127
Air suspension
=>page 126
High-voltage battery range
=> page 137
Parking systems
=> page 190
Park assist plus
=> page 202
Park assist plus
=> page 202

4N0012721BF
Quick access
























High beam assistant
=>page 59
OLED tail lights
=> page 62
Door lock
=> page 43
Child safety lock
=> page 51
Speed warning system
=>page 155
Speed warning system
>page 155
Camera-based traffic sign recog-
nition
=>page 156
Night vision assist
=> page 161
Cruise control system
=> page 163
Cruise control system
=> page 163
Intersection assist
>page 185
Side assist
> page 183
Distance warning
>page 175
A) Rear cross-traffic assist
here =>page 195
Adaptive cruise assist
=>page 175,
Efficiency assist
=>page 171
Adaptive cruise assist
LR © page 167
Adaptive cruise assist
=>page 172
Lane departure warning
=>page 177

Lane departure warning
=> page 178
Audi pre sense
=> page 182
Emergency assist
=> page 186
11

4N0012721BF
Head-up display

Head-up display
Description
Applies to: vehicles with head-up display
The head-up display projects certain warnings or
selected information from the assist systems on
the windshield. The display appears within the
driver's field of vision.
Switching on and off
The Y button is located in the function bar on
the lower display > page 21.
> To switch the head-up display on or off, press
and hold the Y button.
Settings in the Infotainment system
> Applies to MMI: Select on the home screen:
SETTINGS > Display & brightness > Head-up
display, or
> Press the Y button.
Possible settings:
— Display rotation
— Brightness
— Display height: you can adjust the height of the
display. Sit in the correct seating position
= page 70 and adjust the head-up display.
— Display contents: you can set which informa-
tion should be displayed. The display of certain
information and some of the red indicator
lights cannot be hidden.
@) Note
To reduce the risk of scratches on the glass
covering the head-up display, do not place any
objects in the projection opening.
@ Tips
— Sunglasses with polarization filters and un-
favorable lighting conditions can impair visi-
bility of the display.
— An optimal display depends on the seat po-
sition and the height adjustment of the
head-up display.
— A special windshield is needed for the head-
up display function.
— For information on cleaning, see > table In-
terior cleaning on page 312.
33

Voice recognition system

Voice recognition system
General information
Applies to: vehicles with voice recognition system
You can operate many functions in the vehicle
easily using voice commands.
Using the voice recognition system optimally
> Speak clearly and distinctly at a normal volume.
Speak louder when driving faster.
> Emphasize the words in the commands evenly
and do not leave long pauses.
> Close the doors, the windows, and the sunroof*
to reduce background noise. Make sure that
passengers are not speaking when you are giv-
ing a voice command.
> Do not direct the vents toward the hands-free
microphone, which is in the roof headliner near
the front interior lights.
> Only the driver should speak to the system, be-
cause the handsfree microphone is aimed to-
ward this seating position.


ZA\ WARNING
— Direct your full attention to driving. As the
driver, you have complete responsibility for
safety in traffic. Only use the functions in
such a way that you always maintain com-
plete control over your vehicle in all traffic
situations.
— Do not use the voice recognition system in
emergencies because your voice may change
in stressful situations. The system may take
longer to dial the number or may not be
able to dial it at all. Dial the emergency
number manually.

G) Tips
There are no voice guidance* prompts when a
dialog is active.
34
Description
Operating the voice recognition system
Applies to: vehicles with voice recognition system
iS] (2) ie
>| |
STEN
Daa) re
Neer) a
Connect 5
Pre)
oy c a
ey
Cesc >
coy
Fig. 25 Upper display: voice recognition system
Requirement: the ignition and the MMI must be
switched on. A system language supported by
the voice recognition system must be set. There
must be no phone calls in progress and the park-
ing aid must not be active.
Operating by button «¢
> Briefly press the «€ button on the multifunction
steering wheel, or depending on the context,
press we in the upper display.
> Say the desired command after the signal tone.
> To switch the voice recognition system off,
press and hold the «€ button on the multifunc-
tion steering wheel, or say or press Cancel (@)
> fig. 25.
Operating with voice commands
> Applies to: MMI: To operate the voice recogni-
tion system using voice commands, select on
the home screen: SETTINGS > General >
(Speech dialog system) > Activate the speech
dialog system with "Hey Audi".
> Say the activation phrase Hey Audi together
with the desired command.
> To switch the voice recognition system off, say
Cancel or press and hold the «£ button on the
multifunction steering wheel, or press @)
> fig. 25.
Commands and assistance
In the voice recognition system menu, possible
commands or help settings are displayed for the
current dialog @).
> To receive additional help for the current dia-
log, say or press Help (2).

4N0012721BF
Opening and closing

Opening and closing the rear window ( Tips
Om
Applies to: vehicles with a sunshade on the rear window
The sunshade on the rear window can be operat-
ed both from the cockpit and from the rear seats.
Operating the sunshade on the rear window
> Applies to: MMI: Opening or closing the sun-
shade: press the [=] button on the lower dis-
play. Or:
> Press the [25] button briefly in the rear door.
Valet parking
Applies to: vehicles with valet parking function
The valet parking function can protect the lug-
gage compartment from unauthorized access.

The VALET] button for valet parking is in the
glove compartment.

You can switch the valet parking function on, for
example when someone else is parking your vehi-
cle )). The vehicle can be driven, locked, and un-
locked using the vehicle key, but access to the
luggage compartment is blocked.
> Remove the mechanical key > page 45.
> Press the [VALET] button in the glove compart-
ment. The LED in the button turns on if the
function is switched on.
> Lock the glove compartment with the mechani-
cal key.
> Give your vehicle key to the service personnel
who are parking your vehicle and keep the me-
chanical key.


The following buttons are deactivated when the
valet parking function is switched on:
— << Button in the driver's door
— &s Button on the vehicle key
— Handle in the luggage compartment lid
If the valet parking function is switched on, a
message will appear every time the ignition is
switched on.

D_ This function is not available in all countries.
2) The possible number of hand-held transmitters depends
on the equipment.
Please note that the luggage compartment
can still be accessed from the vehicle interior
in vehicles with fixed rear seat backrests or
ones that cannot be locked, even when the
valet parking function is switched on.
Garage door opener
Applies to: vehicles with garage door opener
With the garage door opener, you can activate
systems such as the garage doors, security sys-
tems or house lights from inside your vehicle.
These functions are operated in the MMI. Multi-
ple receivers can be programmed, which can con-
trol the functions of up to eight?) hand-held
transmitters.

ZA WARNING
— When operating or programming the garage
door opener, make sure that no people or
objects are in the area immediately sur-
rounding the equipment. People can be in-
jured or property can be damaged if struck
when closing.
— Do not allow yourself to be distracted from
traffic by the viewing and operating the dis-
plays.
G) Tips
— If you sell your vehicle, reset all settings to
the factory default settings > page 264.
—The system complies with United States FCC
regulations and ISED regulations
=> page 341.
@ Tips
Before you program your system to the ga-
rage door opener, first check the compatibili-
ty:
— Ask an authorized Audi dealer or authorized
Audi Service Facility or check at www.

55

Lights and Vision

Lights and Vision
Exterior lighting
Switching the lights on and off


Fig. 42 Instrument panel: light button module
@ Light switch &
Press and hold @ until the desired light function
is selected. The selected function is displayed
briefly in the instrument cluster. When switching
on the ignition, the AUTO light function is auto-
matically selected.
— AUTO - The automatic headlights adapt to the
surrounding brightness automatically. The day-
time running lights* will automatically turn on.
In vehicles for certain markets, you can switch
the automatic daytime running lights* on and
off in the MMI.
— 20 - You can switch the low beam headlights on
manually once the ignition is switched on.
— 3 - You can switch the parking lights on at
speeds below 20 mph (32 km/h).
— USA models: OFF - You can switch off all light
functions at speeds under 6 mph (10 km/h).
— Canada models: OFF - You can switch off all
light functions when the ignition is switched off
while the vehicle is stationary.
When the low beam headlights or parking lights
are switched on, the respective Ba or EB indica-
tor light appears in the instrument cluster.
@ All-weather lights 2
The headlights automatically adjust so that there
will be less glare, for example when the road sur-
face is wet.
58
@ Rear fog lights %
To reduce glare for traffic behind your vehicle, the
rear fog lights should only be turned on in ac-
cordance with the legal regulations in the coun-
try where you are operating the vehicle.
Automatic headlight range control
Your vehicle is equipped with automatic head-
light range control. It reduces glare for oncoming
traffic if the vehicle load changes. The headlight
range adjusts automatically.
Audi adaptive light
Applies to: vehicles with Audi adaptive light
Audi adaptive light provides better visibility when
driving in the dark. The lights are adapted to the
road conditions based on speed, such as when
driving on expressways, rural roads, at intersec-
tions, and around curves. The adaptive light only
functions when the automatic headlights are ac-
tivated.

ZA WARNING
— Observe the safety precautions and note the
limits of the assist systems, sensors, and
cameras > page 150.
— Automatic headlights are only intended to
assist the driver. The driver is still responsi-
ble for controlling the headlights and may
need to switch them on and off manually
depending on light and visibility conditions.
For example, fog cannot be detected by the
light sensors. So always switch on the low
beams ZO under these weather conditions

and when driving in the dark.

@ Tips
— If the vehicle battery has been discharging
for a while, the parking light may switch off
automatically. Avoid using the parking
lights for several hours.
— When using lighting equipment, the driver
is responsible for adhering to any local ap-
plicable regulations while driving and when
parking the vehicle.
— Only the front headlights turn on when the
daytime running lights are switched on*. In >