2021 AUDI S4 Pre sense warning light

8W1012721BC
Table of contents


All wheel drive (quattro).............. 112
Electronic Stabilization Control......... 113
Trailer towing.................... 115
Driving with atrailer................. 115
Assist systems................... 117
Assist systems................... 117
General information. . 117
Surrounding area detection............ 118
Driving information.............. L241
Speed warning systeM.........-.00 00 121
Camera-based traffic sign recognition... 121
Traffic light information.............. 123
Lap tel ws = = sees 5 5 ses 2 2 eee ge ee 124
Integrated Toll Module............... 125
Driver assistance................. 127
Cruise control system............20-- 127
Efficiency assist....... 0.00... 128
Audi adaptive cruise control........... 130
Traffiejaim assists: « ¢ sas s o aerey & 2 sores x 138
Distance warning ...... 2.00... .00000. 140
Audi active lane assist/lane departure
WARNING: = = wey = o eee 2 o wees 2 Rae & 2 BS 141
Audi pre sense... ...... cee eee eee 143
Side assist... 0.0.6... cece eee eee 147
EXit Warnitig ces s = ewes 5 & eee § o eee es 148
Parking and maneuvering....... 150
TNtROGUetiON « = sew ce sees 5 2 eee : x ewer 150
Parkirigiaid plus o seswies «5 acinwse ow enanave a & ox 150
Rearview camera and peripheral cameras. 152
Rear cross-traffic assist.............0. 156
Assisted
parking............ 0 eee eee 157
Park assist... 0.0... ccc eee ee 159
Infotainment system............ 162
Telephone..................-0-005 162
Introduction................ 0000-0 162
S@tUP -cusy 9 sous & ¥ Sew Yo eR Es ewe 162
Using the Audi phone box............. 164
Using the telephone.................. 166
SOtUiNGS sisis < & eawig + eels # eee s BwR 169
MOSSAQESicies «i sanswis 6 v sete + 0 oxime 4 9 aie 170
Troubleshooting............--.000005 172
PRCT COMMBCE 's. cosves 5 6 sivas 6 6 snes 8 oo LS
General information................- 173
Audi connect Infotainment............ 173
Using a Wi-Fi hotspot................ 174
Audi connect Infotainment services..... 174
Functions on demand................ 175
Audi connect vehicle control services.... 175
Settings............. 0.0.00 002 eee 176
TRGUBIESHOOLING sass ¢ scm s 3 Hae 5 tee 177
Emergency call................... 178
Overview... 12.0... eee eee eee 178
Emergenicy'call « css s sees 6 s gems © + eeu 178
Online roadside assistance............ 179
NaViGGationtc: « « meus « & seu sc poms + «oe 181
Opening navigation............0..005 181
myAudi navigation...............000. 181
Entering a destination................ 182
Stopping route guidance.............. 185
Map... .. see cece eee eee 185
Alternative routes.............2-.00. 187
Additional functions................. 187
Satellite map.......... 2.0... ee eee 188
Mapupdaté-: « 2cas ss ees 9 ¢ eews vs pee 189
Traffic incidents’. = vce se eeu ve exon ewe 190
SETEIIGS sseneie oo smeneie © oxemenene © sitadame @ © etnznis 191
RAGUIG:: « cas 2 = seus « s pomp o 6 com 2 ¢ ce 193
General information................. 193
Radio functions................00005 194
Online radio's: ss sees ss eees ye epee se ee 197
Options and settings.............0005 198
Troubleshooting..............--000-5 199
PRE wei. as aoscen oo sauweme 3 & coset 3 v wens 201
Generalinformation................. 201
Bluetooth audio player............... 201
Amazon Alexa... 0.000 s eee bee eee ees 202
Multimedia connections.............. 202
Playing media. ........ 2. cece eee eee 203
Options and settings................. 207
Supported media and file formats...... 207
Troubleshooting..............--.0005 209
Audi smartphone interface...... 210
Setup... 2... eee eee eee 210
Troubleshooting.............---.00-5 211

Quick access

Brake system
=> page 105,
=> page 229,
Electromechanical parking brake
=> page 107
Electromechanical parking brake
=> page 106
Electromechanical parking brake
=> page 106
Steering
>page 111
Steering lock
>page 111
Adaptive cruise control
=> page 131,
Safe start monitor
> page 136,
Driver intervention request
=> page 137
Traffic jam assist
=> page 138
Steering intervention request
=>page 139
Distance warning
=> page 140
Active lane assist
=> page 141
Pre sense
> page 144
Hood
=> page 222
Engine oil pressure
=> page 224
Engine oil level (MIN)
=> page 224
Electrical system
= page 230

Yellow indicator lights
Central indicator light
=> page 7
Engine speed limitation
=>page 14



























Engine speed limitation
> page 14,
Drive system
= page 102
Central locking
=> page 35
Bulb failure indicator
=> page 54
Adaptive light
=> page 54
Headlight range control system
> page 54
Light/rain sensor
=> page 54,
=> page 60
Windshield wipers
=> page 60
Safety systems
=> page 72
Engine start system
=> page 96
Convenience key
=> page 96
Transmission
=> page 100
Brake system
=>page 105
Electromechanical parking brake
=> page 107
Suspension control
> page 111
Steering
=> page 111
Steering lock
>page 111
All wheel drive
> page 112,
Sport differential
> page 112
Electronic Stabilization Control
(ESC)
=>page 114

8W1012721BC
Quick access


Electronic Stabilization Control
(ESC)
> page 114






Electronic Stabilization Control
(ESC)
=>page 114
Anti-lock Braking System (ABS)
>page 114
Anti-lock Braking System (ABS)
=>page 114





Adaptive cruise control
> page 138,
Traffic jam assist
=> page 139










Engine oil sensor
=> page 224
Engine warm-up request
=> page 224
Electrical system
=> page 230
Washer fluid level
=> page 233
Tire pressure
=> page 253,
=> page 253
Tire pressure
=> page 253

Steering intervention request
> page 139,
=>page 142






Distance warning
=> page 140

Active lane assist
> page 141,
=> page 143


Pre sense
=> page 143






Side assist, exit warning
=> page 148


Parking systems
=>page 152


Rear cross-traffic assist
=> page 156



Park assist
=>page 161
Emergency call function
> page 179






Tank system
=> page 218
Malfunction Indicator Lamp (MIL)
> page 218,
=> page 220
Engine oil level (MIN)
=> page 224
Engine oil level (MAX)
=> page 224





Other indicator lights
Low beam headlights
=>page 51















Parking lights
=> page 51
Turn signals
=> page 52,
=>page 53
Turn signals
=> page 52,
=> page 53
Start/Stop system
=> page 103
Hill hold assist
=> page 108
Cruise control system
=> page 127
Cruise control system
=>page 127
Efficiency assist
=> page 129,
=>page 129
Efficiency assist
> page 129
Efficiency assist
=> page 129
Efficiency assist
=> page 129 >

Driving dynamic


these control systems are installed and this
can affect driving stability and increase the
risk of a collision.

Gi) Tips
The ABS and ASR only function correctly when
all four wheels have a similar wear condition.
Different tire sizes can lead to a reduction in
engine power.
The So button (or 2, depending on the model)
for controlling the ESC is located in the center
console, in front of the selector lever. The ESC is
automatically switched on when the ignition is
switched on.
Limiting ESC
In some situations, it may make sense to limit
the stabilizing function of the ESC so that the
wheels can spin, for example to rock a vehicle to
free it when it is stuck or to drive with snow
chains. The ESC can also be limited to provide
more sporty driving characteristics with fewer
stabilizing corrective actions.
—To limit the ESC, press the oF button briefly.
The B indicator light will turn on.
— To completely reactivate the ESC stabilization
function, press the button again. The indicator
light turns off.
When ESC is limited, allroad models switch to
Offroad mode. All other model versions switch to
Sport mode. Sport mode is particularly suited for
driving on an even road surface. Offroad mode is
designed for uneven terrain or loose ground.
Switching off ESC
For a more active control of the vehicle where the
stabilizing functions of the ESC cannot intervene,
the ESC can be switched off.
—To switch off the ESC, press and hold the Sor
button for more than three seconds. The B
and Ea indicator lights turn on.
— To completely reactivate the ESC stabilization
function, press the button again. The indicator
lights turn off.
114
ZA\ WARNING
— When the ESC is switched off or limited,
there will be no vehicle stabilization or it will
be limited. The driving wheels could spin
and the vehicle could swerve, especially on
slick or slippery road surfaces, which in-
creases the risk of an accident.
— Because of the increased risk of an accident,
only drive with the ESC switched off or limit-
ed when it is necessary. Reactivate the ESC
as soon as possible.
(i) Tips
— If you select the Audi drive select* Offroad
mode, hill descent assist will switch on.
— If the ESC is limited, switched off, or mal-
functioning, systems with an automatic
braking intervention function may not be
fully available.
— If malfunctions occur in other systems or
certain driver assist systems are active, the
ESC must be switched on by the system. The
ESC
may switch on automatically and can-
not be operated with the button.
BB /ABS} / B © Stabilization control (ESC/
ABS): malfunction! See owner's manual

There is a malfunction in the ABS or EDL. This al-
so causes the ESC to malfunction. The brakes still
function with their normal power, but ABS is not
active.
Drive to an authorized Audi dealer or authorized
Audi Service Facility immediately to have the
malfunction corrected.
Other indicator lights
it a blinks while driving, the ESC is actively reg-
ulating. Operating noises may occur. If the indi-
cator light stays on, the ESC has been switched
off due to system needs. The indicator light turns
off when the system is fully functional.

8W1012721BC
Driver assistance

steering correction cannot be set, the steering
correction will function in the Late setting.
— Vibration warning - You can select if you would
also like to be warned using a vibration in the
steering wheel.
@) Tips
Certain settings are automatically stored and
assigned to the remote control key being
used.
Applies to: vehicles with Audi active lane assist
iff or is displayed when there is a malfunc-
tion, the active lane assist functions may be un-
available or limited.
A message that indicates the cause and possible
solution may appear with some displays. The
weather conditions may be too poor or the cam-
era may be covered. Clean the area in front of the
camera > page 119 and try to turn on the sys-
tems again later.
If the malfunction remains, drive to an author-
ized Audi dealer or authorized Audi Service Facili-
ty immediately to have the malfunction correct-
ed.
Audi pre sense
Introduction
Applies to: vehicles with Audi pre sense
Within the limits of the system, the Audi pre
sense functions can initiate measures in certain
driving situations to protect the vehicle occu-
pants and other road users. Depending on the ve-
hicle equipment, various Audi pre sense systems
may
be installed:
— Audi pre sense basic can react during emergen-
cy and dangerous braking maneuvers and un-
stable driving situations (such as oversteering
or understeering).
— Audi pre sense city and Audi pre sense front
can detect an impending frontal impact and re-
act with warnings, braking interventions, and
preemptive safety measures for the vehicle oc-
cupants.
— Audi pre sense rear monitors the rear traffic
behind your vehicle and can react to an impend-
ing rear impact.
— The swerve assist can help you to steer the ve-
hicle around an obstacle during an evasive ma-
neuver that is detected as critical.
— The turn assist can detect vehicles in the oppo-
site lane as critical during a turning maneuver
and react with braking maneuvers.
Audi pre sense safety measures
Applies to: vehicles with Audi pre sense
Depending on the vehicle speed and the vehicle
equipment, the following functions may be initi-
ated in certain situations:
— Visual and audio warnings
— Reversible tensioning of safety belts
— Closing the windows and panoramic glass roof
— Adjusting the seats
— Other preemptive safety measures by individual
systems

ZA\ WARNING
Observe the safety precautions and note the
limits of the assist systems, sensors, and
cameras > page 117.
G) Tips
— Depending on the risk situation that is de-
tected and the selected Audi drive select*
mode, not all preemptive safety measures
may be initiated under certain circumstan-
ces. Certain functions can be adjusted or
skipped if necessary.
— Audi pre sense may also be limited or un-
available under certain circumstances, for
example if:

— There are passengers with unfastened
safety belts
— After turning on the ignition, as long as
the FJ or indicator light is on.
— When driving in reverse.
— The front passenger's airbag is switched
off
— There is an airbag control module mal-
function

143

8W1012721BC
Driver assistance


increased safety provided tempt you into
taking risks. This could increase your risk of
a collision.
— Audi pre sense city does not react to certain
objects, such as animals, crossing or oncom-
ing vehicles, bars, railings, or railcars.
— Audi pre sense may be limited or unavailable
in curves or when it is dark.
— Loose objects can be thrown around the ve-
hicle interior during sudden driving or brak-
ing maneuvers, which increases the risk of
an accident. Store objects securely while

driving.

G) Tips
Certain system functions may not be available
if the ESC is limited or switched off
=> page 114, if there is a malfunction, or if the
hill hold assist* is switched on > page 108.
ON eee Reels
Applies to: vehicles with Audi pre sense front
Audi pre sense front provides the same scope of
functions as Audi pre sense city, with a few ex-
ceptions > page 144. The system has an exten-
sive field of view due to additional sensors that
are installed. Because of this, vehicles that are
braking or traveling significantly more slowly can
be detected earlier and more clearly, depending
on the limits of the system.
The following features apply to Audi pre sense
front:
— Automatic braking interventions are available
at vehicle speeds up to approximately 155 mph
(250 km/h)
—The system does not detect pedestrians

ZA WARNING
— Observe the safety precautions > A\ in Audi
pre sense city on page 144.
— Observe the safety precautions and note the
limits of the assist systems, sensors, and
cameras > page 117.
— Audi pre sense front does not react to cer-
tain objects, such as pedestrians, animals,

crossing or oncoming vehicles, bars, railings,
or railcars.
ONT eee
Applies to: vehicles with Audi pre sense rear

Within the limits of the system, Audi pre sense
rear uses data from radar sensors at the rear cor-
ners of the vehicle and calculates the probability
of a rear-end collision with the vehicle behind
you.
Audi pre sense preemptive safety measures can
be initiated if the risk of a collision with the vehi-
cle behind you is detected.

ZA WARNING
— Observe the safety precautions and note the
limits of the assist systems, sensors, and
cameras > page 117.
— Audi pre sense rear does not react to pedes-
trians, animals, crossing objects, and ob-
jects not detected as vehicles.
G) Tips
Audi pre sense rear functions may also switch
off if there is a malfunction in the side assist
system.
Rati
Applies to: vehicles with swerve assist

The swerve assist can help you to steer the vehi-
cle around an obstacle detected in a critical area.
If you avoid an obstacle after the acute warning,
then the swerve assist assists you by applying
slight steering adjustment to correct your steer-
ing wheel angle as long as you are actively steer-
ing. Swerve assist is available at speeds between
approximately 20 mph (30 km/h) and 90 mph
(150 km/h).

ZA\ WARNING
— Observe the safety precautions and note the
limits of the assist systems, sensors, and

cameras > page 117. >

145