2020 AUDI A4 warning light

8W1012721BB
Table of contents


All wheel drive (quattro).............. 108
Electronic Stabilization Control......... 109
Trailer towing.................0.. EZ
Driving with atrailer................. 112
Assist systems................... 114
Assist systems................... 114
General information. . 114
Surrounding area detection............ 115
Driving information.............. 118
Speed warning systeM...........00 005 118
Camera-based traffic sign recognition... 118
Traffic light information.............. 120
LAPAIMED ws = = sees 5 2 pee ae eee 2s ee 121,
Driver assistance................. 123
Cruise control system.............0-5 123
Efficiency assist sins <2 sew 2s eeu 2 eens 124
Audi adaptive cruise control........... 127
Traffic jam assist.............0.-000. 134
Distance warning « «cies 2s cease cnees es 136
Audi active lane assist................ 137
Audi presense............-00.0 0-0 ee 139
SIGG'ASSISE secsye = 2 orm = 2 oie 4 & tease 8 Ge 143
EXIE WARMING sssovne oo caxneie © © omenaine @ 0 exmnene «9 145
Parking and maneuvering....... 147
TiErOMUCTION « 2 asacees < a asomee wo wma swans 147
Parking aid plus......... 0... e eee eae 147
Rearview camera and peripheral cameras. 149
Rear cross-traffic assist............... 152
Assisted parking...............--005- 153
Park assist: sacs « x wean = a awe = 2 cee 155
Infotainment system............ 158
Telephone....................005- 158
INEFODUCKION « » sie x « caus 4 2 wasn 3 & Rees 158
SOGUP cscceis « + emaneus x © snatteue © « etevine oe mene © 158
Using the Audi phone box............. 160
Using the telephone.................. 162
SEE MGStoiais oo urvanie « 6 awinasen © eveneeoe «sate H 165
MessageS .... 0... cece eee 166
TROUBLESHOOLING awe + wen & 2 nee se tame 167

PAC COMIMBCE 's. cesses 5 6 cise 6 v eseees wo one 169
General information................- 169
Audi connect Infotainment............ 169
Using a Wi-Fi hotspot................ 170
Audi connect Infotainment services..... 170
Functions on demand................ 171
Audi connect vehicle control services.... 171
Settings...............0 000. e eee 172
TRSUBIESHOOUING ses ¢ 3 seen s 5 wae 5 x ce 173
Emergency call................... 174
Overview... ... 2... eee eee 174
Emergency'call « css «sce ss ews o + come 174
Online roadside assistance............ 175
NaVIGSEIGtis: « « meus s x meu + « peme ¢ eo 176
Opening navigation.................. 176
myAudi navigation...............0005 176
Entering a destination................ L177
Stopping route guidance.............. 180
Map... . cece eee cece eee 180
Alternative
routes.............2--00. 182
Additional functions................. 183
Satellite map 183
Map update.... 184
Traffic information w. «sess 2 2 even as sore 185
SETEIIGS sense oo smemeze © oxiettom i © viata w 9 eaoitens 186
RAGIG:: «ccs cs neces & s pomg 2 ¢ eww +o eee 188
General information................. 188
Radio functions................00055 189
Online radio's: ss sees = + ewes sv Hewes ee 191
Options and settings..............00e 193
Troubleshooting.............---000ee 194
PROS wesc as soaen 6 3 sonweme 3 7 meen 6 eo 195
Generalinformation................. 195
Bluetooth audio player............... 195
Multimedia connections.............. 196
Playing media...........-..02--00005 197
Options and settings................. 201
Supported media and file formats...... 201
Troubleshooting. ..........e eee eee ee 203

8W1012721BB
Quick access

@0 Center armrest with storage com-
partment. Depending on vehicle
equipment, it may have:


— Audi music interface .......... 196
—Audi phone box ............... 160
— Starting the engine when there is
A
MALPUNGEION 2 2 aceon 2 wom © & ae 92
@) Electromechanical parking brake
BUGEON sieves so emene @ oe ent oo eecnie 102
@ Selector lever (automatic transmis-
SION) seve & # sere & o ES Go OE GB 94
@3 Storage compartment .......... 78
@) [START ENGINE STOP]button .... 92
@) Audi music interface ............ 196
@8 Steering wheel adjustment ...... 62
@) Lever for:
— Cruise control system ......... 123
— Audi adaptive cruise control .... 127
Button for switching the head-up
display on/off, adjusting the height . 23
Instrument illumination ......... 52
Connection port for the On Board
©®®
O®
©
Diagnostic System (OBD) ........ 269
Light switch ......... 0... e ee eee 48
Hoodireleased « a asics x x wosne x x smasain 215
Buttons for:
—All-weather lights ............ 48
—Rear fog lights ..............- 48
G4 Luggage compartment lid button . 36
65) Exterior mirror adjustment ...... 52
G8) Buttons for:
— Power windows .............. 42
—Child safety lock .............. 41
@ 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 engine is running or while driv-
ing.
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 12.
Some indicator lights in the display can display in
several colors.
Oe elle Ue
If the A or A indicator light turns on, check
the message in the instrument cluster.
Coal
The following indicator lights may be available,
depending on the vehicle equipment:

Red indicator lights


















Central indicator light
=> page 7,
Audi pre sense
=> page 139,
Instrument cluster
=> page 11
Safety belt
=> page 66
Transmission
=> page 97
Drive system
=> page 97
Electromechanical parking brake
=> page 103
Electromechanical parking brake
=> page 103
Brake system
=> page 102, > page 103,
=> page 222
Brake system
=> page 102, > page 103,
=> page 222

Quick access













Electromechanical parking brake
=> page 103
Steering
=> page 107
Steering lock
=> page 107
Brake system
=> page 102
Electronic Stabilization Control
(ESC)
=> page 109
Electronic Stabilization Control
(ESC)
=> page 109
Air suspension
=> page 107
Electrical system
=> page 222
Engine oil level (MIN)
=>page 217
Electronic Stabilization Control
(ESC)
=>page 110
Anti-lock braking system (ABS)
=>page 110
Anti-lock braking system (ABS)
=>page 110
Engine oil pressure
=> page 217
Cooling system
=> page 220
Hood
=>page 215
Distance warning
Steering lock
=> page 136
=> page 107
All wheel drive
=> page 108
Safe start monitor
=> page 132,
Driver intervention request
=> page 133 Suspension control
>
Active lane assist page 107
=> page 137 Air suspension
> 107
Steering intervention request L page
=>page 135
Audi pre sense
=> page 140
Yellow indicator lights
Engine speed limitation
=> page 13
Tank system
=> page 211
Electrical system
=> page 222
Engine oil level (MIN)
=>page 217
Engine oil level (MAX)
=>page 217
Central indicator light
=> page 7
Safety systems
=> page 68
Transmission
> page 97 Engine oil sensor
=> page 217
Malfunction Indicator Lamp (MIL)
=> page 213
Washer fluid level
=> page 226
Drive system
=> page 99
Engine start system
=> page 93
Keys
=> page 93

Engine warm-up request
=> page 217

8W1012721BB
Quick access



Windshield wipers
=> page 57
Parking aid plus
=> page 148
Park assist
=> page 157
Rear cross-traffic assist
=>page 152
Tire pressure
=> page 245
Tire pressure
=>page 245
Bulb failure indicator
=> page 50
Adaptive light
=> page 50
Light/rain sensor
=> page 50, > page 57
Door lock
=> page 32
Battery in vehicle key
=> page 36
Distance warning
=> page 136
Side assist
=> page 145;
Exit warning
=>page 145
Audi adaptive cruise control
=> page 134,
Traffic jam assist
=> page 134
Steering intervention request
=> page 135, > page 138
Audi active lane assist
=> page 139
Audi pre sense
=> page 143
Emergency call function
=>page 175

Other indicator lights
Start/Stop system
=> page 99
Turn signals
= page 49
Low beam headlight
=> page 48
Parking light
=> page 48
Cruise control system
=> page 123
Cruise control system
=> page 123
Efficiency assist
=> page 124
Efficiency assist
=>page 124
Efficiency assist
=>page 124
Efficiency assist
=>page 124
Efficiency assist
>page 124
Efficiency assist
=>page 124
Audi adaptive cruise control
> page 128
Audi adaptive cruise control
=> page 128
Audi adaptive cruise control
=>page 128
Audi adaptive cruise control
=> page 128
Audi adaptive cruise control
=>page 128
Traffic jam assist
=> page 134
High beams
=>page 49
High beam assistant
=> page 49

8W1012721BB
Instrument cluster


Fig. 3 Instrument cluster overview (analog)

Beery
6/24/2019
3:50pm
6/24/2019
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Depending on the vehicle equipment, the follow- —Gear ... ee eee eee eee 94
ing items may appear in the instrument cluster: — Audi drive select mode ......... 106
@ Left dial Display
7 PACHOIMIBEER 2 csre «2 eases 2 2 eee 13 — Engine coolant temperature =E . . 13
Tab afd) : see cs cae : 2 aes 2 eee 12
) Status line (one or two lines)
5) Right dial
— Convenience display
Fuellevel ..........0.00.0008
Right additional display with speed-
ometer
(®) Left additional display with:


12 |Z WARNING
Applies to: vehicles with Audi virtual cockpit
If there is a severe malfunction in the instru-
ment cluster, the display may turn off. The
indicator
light may also turn on. Stop the ve-
hicle safely. See an authorized Audi dealer or
authorized Audi Service Facility for assistance. |>

211
11

Instrument cluster

example when downshifting. Drive to an author-
ized Audi dealer or authorized Audi Service Facili-
ty immediately to have the malfunction correct-
ed.
@) Note
The needle in the tachometer may only be in
the red area of the gauge for a short period of
time before there is a risk of damaging the
engine. The location where the red zone be-
gins varies depending on the engine.
Odometer


Fig. 7 Instrument cluster: reset button
The trip odometer and odometer are displayed in
the status bar @) > page 11.
The trip odometer shows the distance driven
since it was last reset. It can be used to measure
short distances. The odometer shows the total
distance that the vehicle has been driven.
Resetting the trip odometer
> To reset the trip odometer to zero, press the re-
set button @.
@® Tips
Distances are displayed in mi (miles) or km
(kilometers).
Outside temperature
display
The outside temperature is displayed in the sta-
tus bar @) 9 page 11.
If your vehicle is stationary or if you are driving at
very low speeds, the temperature displayed in
14
the instrument cluster may be slightly higher
than the actual temperature outside due to heat
radiating from the motor.
At temperatures below 41 °F (+5 °C), a snowflake
symbol appears in front of the temperature dis-
play > A\.

ZA WARNING
Do not assume the roads are free of ice based
on the outside temperature display. Be aware
that there may be ice on roads even when the
outside temperature is around 41 °F (+5 °C)
and that ice can increase the risk of accidents.

Engine oil temperature
indicator
Applies to: vehicles with engine oil temperature indicator
Depending on the vehicle equipment, the engine
oil temperature %7 may be indicated by a bar in
the instrument cluster.
» Applies to: vehicles with Audi virtual cockpit:
Open the vehicle functions tab and switch to
the desired view > page 12.
> Applies to: vehicles with analog instrument
cluster: Open the lap timer > page 121.
When engine oil temperatures are low, the dis-
play --- °F (--- °C) appears in the instrument clus-
ter. The engine has reached its operating temper-
ature when the engine oil temperature is be-
tween 176 °F (80 °C) and 248 °F (120 °C) under
normal driving conditions. The engine oil temper-
ature may be higher if there is heavy engine load
and high temperatures outside. This is not a
cause for concern as long as the Ei => page 217
or & = page 217 indicator lights do not turn on.
Boost indicator
Applies to: vehicles with boost indicator
Depending on vehicle equipment, the current en-
gine load (meaning the current boost pressure)
may be indicated by a bar in the instrument clus-
ter.
» Applies to: vehicles with Audi virtual cockpit:
Open the vehicle functions tab and switch to
the desired view > page 12.

8W1012721BB
Head-up display

Head-up display
Description
Applies to: vehicles with head-up display



Fig. 19 Instrument panel: knob for the 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
> To switch the head-up display on, press the 67
knob @.
> To switch the head-up display off, press the S7
knob.
Adjusting the height
The height of the display can be adjusted to the
individual driver.
> Make sure you are seated correctly > page 59.
> Turn the knob S? to the right or Left.
Settings in the Infotainment system
> Applies to: MMI: Select on the home screen:
SETTINGS > Display & brightness > Head-up
display.
Possible settings:
— Picture rotation
— Brightness
— 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.
iG) 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 249.
23

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.
24
Operating
Applies to: vehicles with voice recognition system
See
Dat)
Where is a
Connect
Diala
coy
Es
ea
cog

Fig. 20 Center display: voice recognition system
Switching the voice recognition system on or
off
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.
> To switch the voice recognition system on,
briefly press the «€ button on the multifunction
steering wheel, or depending on the context,
press ¢ in the center display.
> To switch the voice recognition system off,
press and hold the « button on the multifunc-
tion steering wheel, or say or press Cancel (4).
Using the voice recognition system
In the voice recognition system menu, possible
commands or help settings are displayed for the
current dialog @).
> Say the desired command after the signal tone.
> To receive additional help for the current dia-
log, say or press Help (2).
> To pause voice recognition, say or press Pause
@. To reactivate voice recognition, press (@)
again or briefly press the «€ button on the mul-
tifunction steering wheel.
» Applies to: MMI: Select on the home screen:
SETTINGS > General > Speech dialog system >
Allow commands during voice output. If the
function is switched on, you can simply say a
new command during a prompt.
Activating the online recognizer
Applies to: vehicles with online recognizer
You can activate the online recognizer for addi-
tional functions and to improve the results of >