2018 AUDI A6 cruise control

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" N .... 0 0 \,;J ' -With stationary objects ¢ page 88.
A WARNING
Always pay attention to traffic when adaptive
cruise control is switched on and braking
guard is active . As the driver, you are still re­
sponsible for starting and for maintaining
speed and distance to other objects. Braking
guard is used to assist you . The driver must
always take action to avoid a collision. The
driver is always responsible for braking at the
correct time.
- For safety reasons, do not use adaptive
cruise control when driving on roads with
many curves, when the road surface is in
poor condition and/or in bad weather (such
as ice, fog, gravel, heavy rain and hydroplan­
ing). Using the system under these condi­
tions increases the risk of an accident.
- Switch adaptive cruise control off tempora­
rily when driving in turning lanes, on ex­
pressway exits or in construction zones. This
prevents the vehicle from accelerating to
the stored speed when in these situations .
- The adaptive cruise control system will not
brake by itself if you put your foot on the ac­
celerator pedal. Doing so can override the
speed and distance regulation.
- When approaching stationary objects such
as stopped traffic, adaptive cruise control
will not respond and braking guard will have limited function.
- The adaptive cruise control system and
braking guard do not react to people, ani­
mals, objects crossing the road or oncoming
objects.
- The function of the radar sensors can be af­
fected by reflective objects such as guard
rails, the entrance to a tunnel, heavy rain or
ice.
A WARNING
- Improper use of adaptive cruise control can
cause collisions, other accidents and serious
personal injury.
- Never let the comfort and convenience that
adaptive cruise control and braking guard
Assistance systems
offer distract you from the need to be alert
to traffic conditions and the need to remain
in full control of your vehicle at all times,
- Always remember that the adaptive cruise
control and braking guard have limits -they
will not slow the vehicle down or maintain
the set distance when you drive towards an
obstacle or something on or near the road
that is not moving, such as vehicles stopped
in a traffic jam, a stalled or disabled vehicle.
If registered by the radar sensors, vehicles
or obstacles that are not moving can trigger
a collision warning and if confirmed by the
video camera, an acute collision warning.
- Never follow a vehicle so closely that you
cannot stop your vehicle safely. The adap­
tive cruise control cannot slow or brake the
vehicle safely when you follow another vehi­ cle too closely. Always remember that the
automatic braking function cannot bring the
vehicle to a sudden or emergency stop un­
der these conditions .
- To prevent unintended operation, always
switch ACC off when it is not being used .
@ Note
The sensors can be displaced by impacts or
damage to the bumper, wheel housing and underbody . That could affect the adaptive
cruise control system and braking guard .
Have an authorized Audi dealer or authorized
Audi Service Facility check their function.
(D Tips
For an explanation on conformity with the
FCC regulations in the United States and the
Industry Canada regulations, see
¢page 250.
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Assistance systems
In curves
Applies to: vehicles with Audi adaptive cruise contro l
Fig. 90 Example: dr ivi ng into a curve
When driving into a curve ¢ fig. 90 and out of a
curve, the adaptive cruise control may react to an
object in the ne ighbor ing la ne and apply the
brakes. You can p revent that by pressing the ac­
celerator pedal b riefly.
Stationary objects
Applies to: vehicles with Audi adaptive cruise control
F ig . 91 Example: object changi ng lanes and stationa ry o b·
j e ct
The adaptive cruise contro l system only reacts to
objects that are moving or that the system has
already detected as moving. For examp le, it can
react when a vehicle that has already been de­
tected @turns or changes lanes, but adaptive
cru ise control does not react to a stat ionary vehi­
cle @.
88
Switching on/off
Applies to: vehicles with Audi adaptive cruise control
Fig. 92 Operat ing lever: switc hing on and off
Fig. 93 Instrument cl ust er: a daptive c ruise control
You can set any speed between 20 mph (30 km/
h) and 95 mph (150 km/h) .
Indicator lights and messages in the instrument
cluster disp lay inform you about the current sit­
uation and setting .
An additional indicator appears in the head-up
display*.
Switching adaptive cruise control on
.,.. Pull the lever toward you into position @
¢ fig. 92. ACC: standby appears in the display.
Storing the speed and activating regulation
.,.. To store the cur rent speed, press the ISET I but­
ton
¢ fig. 92. The stored speed is shown in the
speedometer in the LE D line @and appears
briefly in the info rmation
line @¢ fig. 93 .
.,.. To activate the regulation while stationary, also
press the brake pedal.
Switching adaptive cruise control off
.,.. Push the leve r away from you into position@
until it clicks into place. The message
ACC : off
appears.

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0 0 <..:l ' @ Indicator lights
•-Adaptive cru ise control is switched on . No
objects are detected ahead. The stored speed is
maintained .
•-An object a head was de tected. The adap tive
cr uise control system regula tes the speed and
d istance to the ob ject ahead and acce lerates/
brakes a utomatically.
r-j -Adaptive cru ise con trol is switched on . An
object ahead was detec ted . Your vehicle rema ins
stopped and w ill not s tart dr iv ing automat ica lly.
• -The automatic brak ing is no t enough to
main tain a sufficient distance to a n object ahead.
You must inte rvene
¢ page 91, Reques t for
driver intervention.
© Instrument cluster display
I f adaptive cruise control is not shown in the in­
strument cluster disp lay, yo u can call it up using
the mu ltifu nction stee ring wheel b uttons
¢ page 19.
Based on the graphics in the d isp lay, you can de­
termine if the system is ma inta ining a distance to
the object ahead and what that distance is.
No vehicle -no object was detected ahead .
White vehicle -an object was detected ahead.
Red vehicle -request for driver intervention
¢ page 91 .
Both arrow s on the scale © indicate the dis tance
to the object a head . No ar row appea rs when the
ve hicle is on an open road and there is no object
ahead. If an object is detected ahead, the arrow
moves on the scale.
T he green zone on the sca le ind icates the s tore
d ista nce . For information on changing the dis ­
tance, refer to
~ page 90. If the distance se ­
lect ed is exce eded or not reached, th e arrow
moves into the red zone on the scale.
A WARNING
If you press the ISE TI button when d riving at
speeds below 20 mph (30 km/h), the vehicle
accelerates automat ically up to 20 mph (30
A ssi st a nce systems
km/h), wh ic h is the minim um speed that can
be set .
(D Tips
-If you switch the ignit ion or the adaptive
cruise control system off, the set speed is
erased fo r safety reasons .
-The e lectronic stabilization control (ESC)
and the anti -slip -regulation (ASR) are auto­
matically switched on when the adaptive
cruise cont rol is switched on.
Changing the speed
Applies to: vehicles with Audi adaptive cruise control
0
f
•
0
Fi g. 9 4 Operating lever : chang ing t he sp eed
.,. To increase or reduce the speed in increments,
tap the lever up o r down.
.,. To increase or decrease the speed quick ly, hold
the lever up or down until the red LED @reach­
es the des ired
speed ¢ page 88, fig . 93.
After each change, the new sto red speed appears
briefly in the information
line ¢ page 88 , fig . 93
@ .
Driving in stop-and-go traffic
Applies to: vehicles with Audi adapt ive cru ise control
The adaptive cru ise control system also assists
you in stop-and-go traffic .
Stopping automatically
If an object ahead stops, your vehicle will brake
and stay at a stop, within the limits of t he sys­
tem . The Sta rt/Stop system* can be used as usu -
al.
..,_
89

Ass is tance sy stem s
Driving manually
.,. Tap the acce lerato r pedal, o r
.,. pull the lever toward you into position @.
(D Tips
If an obstacle is detected whe n your veh icle
starts moving, the driver intervention request
appears
¢ page 91. Your vehicle will drive
more s low ly when starting. This may also
happen in some situations when there is no
apparent obstacle.
Interrupting cruise control
App lies to: veh icles with Audi adaptive cruise control
Fig . 95 S ele ctor leve r
Req uirement: adaptiv e cruis e control must be
sw itched on.
Overriding cruise control
.,. T o accelerate manually , p ull the lever toward
you into position @and ho ld it the re . T he mes­
sage
ACC : over ride appears. Or
.,. Press the accelerator pedal.
.,. T o resume cru ise control, release the lever or
take your foot off the accelerator pedal.
Canceling c ruise contr ol while driving
.,. Move the lever into posit ion @. The message
AC C: standby appears . Or
.,. Press the brake pedal.
.,. T o resume the stored speed, move the lever in­
to position
@ .
Canceling crui se contr ol when stopped
.,. Push the lever away from you into position @.
The message
ACC: standby appea rs.
90
.,. To resume c ruise contro l, press the brake peda l
and pull the lever toward you into position @ .
A WARNING
It is dangerous to activate cruise control and
resume the stored speed when the current
road , traffic or weather conditions do not per­
mit this . This increases the risk of an accident .
· Setting the distance
Applies to: vehicles with Audi adapt ive c ruise control
Fig. 96 Operat ing lever: settin g th e d ista nce
.,. T ap the switch to display the current set dis­
tance
c> fig . 96.
N a, N 9 ::c
~
.,. To increase or reduce the dis tance in incre­
ments, tap the sw itch again to the r ight or left .
The d istance between the two vehicles will
change in the instrumen t cluster display .
When app roaching an object ahead, the adaptive
c ruise contro l system brakes to match that speed
and then adjusts to the set distance . If the object
ahead ac celerates, adaptive c ruise co ntro l w ill al­
so ac ce lerate up to the stored speed .
The higher the speed, the greater the distance in meters
c> ,&. . The Distance 3 setting is recom­
mended. That is equa l to the general recommen­
da tion of
" hal f the speed shown on the speedom­
ete r" .
The distances provided a re spec ified values . De­
pending on the driv ing s ituation and the way the
ob je ct ahe ad is dr iv ing, the actual dist ance may
be more or less than these ta rget distan ces .
The var ious symbols for the time inc rements ap­
pears briefly in the info rmation line @
¢ page 88, fig . 93 when you change the settings. II>

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0 0 <..:l ' ~-~ ---D istanc e 1: this setting corresponds
to a distance of
92 ft (28 m) when traveling at 62
mph (100 km/h), for examp le (time between: 1
second).
~ --~--Distance 2: this setting corresponds
to a distance of 118
ft (36 m) when traveling at
62 mph (100 km/h), for examp le (time between:
1.3 seconds).
~ -- -~ -Distance 3: this setting corresponds
to a distance of 164
ft (SO m) when traveling at
62 mph (100 km/h), for examp le (time between:
1.8 seconds).
~ -- --~ Distance 4: This setting corresponds
to a distance of 210
ft (64 m) when traveling at
62 mph (100 km/h), (time distance of 2.3 sec­
onds).
A WARNING
Following other vehicles too closely increases
the risk of collisions and ser ious perso nal in­
jury.
- Setting short distances to the traffic ahead
reduces the t ime and distance available to
br ing your vehicle to a safe stop and makes
it even mo re necessary to pay close atten­
t ion to traffic.
- Always obey applicable traff ic laws, use
good judgment, and select a safe following
dis tance fo r the traffic, road and weathe r
condit ions .
{]) Tips
-Distance 3 is set automatically each time
you switch the igni tion on.
- You r settings are automatically stored and
assigned to the remote control key being
u sed.
Selecting the driving mode
A pplies to: ve hicles with Audi adaptive cruise co ntro l
.. Select the des ired driving mode in dr ive se lect
¢ page 104.
Assi st a nce systems
(D Tips
Your settings are automatically stored and as­
s igned to the remote control key being used.
Request for driver intervention
Applies to : vehicles wi th Audi ada ptive c ruise control
Fig. 97 Instrument cluster: request for driver intervention
In certain si tuations, the system will request you
to take action:
- I f the brak ing from the ad apt ive cru ise con trol
sys tem is not enough to ma intain eno ugh dis­
tance to the object ahead .
T he da nger is indica ted by
the . indica tor light
¢ fig. 97. A n aud io signa l wi ll also so u nd .
- Press the brake pedal to slow your vehicle down.
Audi braking guard
App lies to : vehicles with A udi ada ptive cr uise control
Fig. 98 Inst rume nt cluste r: approach warnin g
The braking guard uses radar sensors and a video
camera . It also functions w ith in the limits of the
system when adaptive cru ise control is switched
~ ~
91

a co .... N
" N .... 0 0 \.J ' objects t hat you a re transport ing to red uce
the ris k of damage or i njury.
Settings in the Infotainment system
Applies to: vehicles with Audi adaptive cruise control
~ Select : the ICARI function button > ( Car )* Sys ­
tems
control button > Driver assistance > Audi
braking guard .
System -
switch the brak ing guard On /Off. When
you switch the ign it ion on, the message
B raking
guard: Off
appears if the sys tem is switched off .
Early warning -the distance and approach warn ­
ings in the display can be switched
On /Off .
(D Tips
-You r settings are automatically stored and
assigned to the remote contro l key being
u sed .
-If yo u rest rict or sw itch off the ESC, t he
bra king gua rd also sw itches itself off
c> page 120.
-Switc h braking guard off w hen yo u are load ­
i ng t he ve hicle onto a vehicle ca rr ier, t rain,
s hi p or other type o f transportation . This
ca n prevent undesired warnings from the
braking guard system .
Messages
Applies to: vehicles with Audi adaptive cruise control
Braking guard: Off
This message appears if the system is switched
off through the Infota inme nt system . Otherwise,
if the system is turned off, the information ap ­
pea rs every time shortly after the start of the
tr ip.
The message also appears if the system is not
ava ilable d ue to a malfunct io n or if the ESC is
sw itched off
c> page 120 . If this is the case, the
sys tem w ill not prov ide warnings about a possi­
b le co llision.
Braking guard: engaged
This message appea rs if a sharp brake press ure
was applied due to an acute wa rning.
A ss istance systems
ACC: Unavailable!
ACC and Audi braking guard: Unavailable
The system cannot guarantee that it will detect objects correctly and is sw itched off . The sensors
have been moved or are faulty . Th e p re sense
funct ions may a lso be affec ted . D rive to an au­
tho riz ed Au di dealer or author ized Audi Serv ice
F aci lity immed iate ly to have the ma lfunction co r­
r ected .
ACC: Currently unavailable. No sensor vision
A CC and Audi braking guard: Currently unavail­
able. No sensor vision
This message appears if the sensor v iew is ob­
structed, for examp le by leaves, snow, heavy
spray or dirt . Clean the sensors
c> page 86 ,
fig . 89 .
AC C: Currently unavailable . Gradient too steep
T he road exceeds the maxim um poss ible angle
fo r safe adaptive c ruise contro l operation . Adap­
tive cruise control is switched off.
ACC : Only available in D , Sor M
Select t he "D/S" or "M" se lecto r lever position .
ACC: Currently unavailable . Parking brake ap ­
plied
T he adaptive cr uise cont rol system switches off
automat ica lly if the parking brake is set.
ACC: Currently unavailable . Stability control
( ESC ) input.
This message appears if the e lectro nic s tabiliza­
t io n c ontrol ( ES C) is tak ing a ct ion to s tabili ze the
vehicle. In t his case, adaptive cruise contro l
switches off automatically.
ACC off : Manual control!
Th is message appears when adaptive c ruise co n­
t rol cannot set the parking brake . P ress the brake
peda l to prevent the veh icle from ro lling.
• ••
T hree white dots appear if a setting cannot be se ­
l ected w ith the operating lever. For example, this
happens if adapt ive cru ise control cannot sta rt
driv ing automat ica lly in stop-and-go traff ic
93

Ass is tanc e system s
because the driver has not fastened their safety
be lt .
D oo r open
The adaptive cruise control system cannot sw itch
on when a door is open .
Sta tion ary obj ect ahead
This message appears if you would like to switch
adaptiv e cruis e control on and there is a station­
ary object or obstacle directly ahead of your vehi­
cle.
Audi pre sense
Preventative passenger protection
Applies to: vehicles with Audi pre sense
P re sense can initiate steps to p rotect vehicle oc ­
cupants in certain dangerous situations. The
functions described are available depending on
vehicle equipment :
Pre sense basic *
The fo llow ing f unc tions can be t rigge red in ce r­
tain driving s it u ations:
- T ens ion ing of the safety belts (for example,
dur ing heavy b raking): the front safety belts
have reve rsible belt tensioners. If a coll is io n
does not occur, the safe ty belts loosen slightly
and are ready to trigger again.
- Clos ing the w indows and the sun roof* (for ex ­
amp le, when ove r-or unde rsteer ing) : the w in ­
dows and the sunroof * close until there is only
a small gap open .
The function of the pre sense basi c is act ivated at
a speed o f 20 mph (30 km/h) o r higher.
Dr ive se lect : th e deployment time is adapted in
Dynam ic mode.
Pre sense front (vehicles with adapti ve cru ise
control *}
Pre sense front contains t he f unct ions of p re
sense basic. In add it ion, the like lih ood of a rear ­
e n d coll is io n with the veh icle ahead is also calcu ­
lated, withi n the limits of the system .
If the risk
of a collision is detected, t he following functions
can trigger :
94
-Braking guard r::!> poge 91
-Tensioning of the safety bel ts
- Clos ing the windows and the sunroof*
Pre sense rear (vehicles with side a ssi st * }
Pre sense rear contains the funct ions of pre sense
basic . In addition, the likelihood of a rear-end
collision from the vehicle behind is also calculat­
ed, within the limits of the system . If the r isk of a
collision is detected, the following functions can
t rigge r:
- Tensioning of the safety belts
- Closing the windows and the sunroof*
Pre sen se plu s*
Pre sense plus contains t he functions of pre
sense front and pre sense rear.
Error messag e
Audi pre sen se : Unavailable
Preventative passenger protect ion is not ava ila ­
ble . Drive to an autho rized Aud i deale r or author­
i zed Audi Se rvice Facility immed iate ly to have the
malfunction cor rected .
_&. WARNING
Pre sense cannot overcome natural phys ic al
laws .
It is a system designed to assist and it
cannot prevent a co llision. Do not let the in­
creased safety p rovided tempt you into tak ing
risks. This could increase your risk of a colli-
sion.
- The system can dep loy incorrectly .
- Please note that the sensors do not always
detect all objects . Th is increases the r isk of
a co llision.
- Pre sense does not react to peop le or ani­
mals or objects that are crossing the vehi­
cle 's path o r are difficu lt to detect
r::!>poge86.
- Reflective objects such as guard ra ils or the
entrance to a tunne l, heavy rain and ice can
affect the funct ion of the radar sensors and
-
the system's ability to detect a collision risk . ~

a co .... N
" N .... 0 0 \.J ' @ Note
The sensors can be displaced by impacts or
damage to the bumper, whee l housing and
underbody. Pre sense can be impaired by this.
Have an authorized Audi dealer or authorized
Audi Service Facility check their function .
(D Tips
- Certain pre sense front functions switch off
when sport mode is switched off or when
driving in reverse .
- The pre sense functions may not be availa­
ble if there is a malfunction in the ESC sys­
tem or the airbag control module.
- The pre sense front/plus functions are not
available if there is a malfunction in the
adaptive cruise control* system
~ page 93.
- The pre sense rear/plus functions are not
available if there is a malfunction in the side
assist* system
~ page 93 .
Audi active lane assist
Description
Applies to: veh icles with Audi active lane assist
Active lane assist detects lane marker lines with ­
in the limits of the system using a camera in the
windshield. If you are approaching a detected lane marker line and it appears likely that you
will leave the lane, the system will warn you with
corrective steering . You can override this steering
at any time . If you pass over a line, the steer ing
wheel will v ibrate lightly. In order for this warn­
ing vibration to occur, it must first be sw itched
on in the Infotainment system. Active lane assist
is ready for operation when the lane marker line
is detected on at least one side of the vehicle.
The system is designed for driving on express­
ways and highways and therefore only activates
at speeds above approximately 40 mph (65 km/
h).
Applies to: vehicles with s ide assist
If you activate a turn signal when active lane as­
sist is ready and it classifies a lane change as crit­
ical because of vehicles traveling alongside you or
approaching you, there will be noticeable correc-
Assistance systems
tive steering shortly before you leave the lane.
This will attempt to keep your vehicle in the lane.
Applies to: vehicles w it h out side ass ist
The system will not warn you before crossing a
lane marker line if you have activated the turn
s ignal. In this case, it assumes that you are
changing lanes intentionally.
Applies to: veh icles w it h adaptive cruise contro l
The corrective steering is targeted based on the
driving situation. In addition to the lane marker
lines , the system can also take into account other
objects such as guard rails . If they are detected in
close proximity to the vehicle, active lane assist
helps prevent the vehicle from driving too close
to them. There is also passing ass istance. The
system does not provide any corrective steering if
it detects that you are passing another vehicle.
A WARNING ~ -
-The system warns the driver that the vehicle
is leaving the lane using corrective steering.
The driver is always responsible for keeping
the vehicle within the lane.
- The system can help you keep the vehicle in
the lane, but it does not drive by itself. Al­
ways keep your hands on the steering
wheel.
- Corrective steering may not occur in certain
situations, such as during heavy braking.
- There may be cases where the camera does
not recognize all lane marker lines. Correc­
tive steering can only take place on the side
of the vehicle where lane marker lines are
detected.
- Other road structures or objects could possi­
b ly be identified unintentionally as lane
marker lines. As a result, corrective steering
may be unexpected or may not occur.
- The camera view can be restricted, for ex­
ample by vehicles driving ahead or by ra in,
snow, heavy spray or light shining into the
camera. This can result in active lane assist
not detecting the lane marker lines or de­
tecting them incorrectly .
95