warning AUDI A8 2011 Repair Manual

82 On the road
-Occasiona l noises when the parking
brake is applied and re leased are norma l
and are not a cause for concern .
- When the vehicle is parked, the parking
brake goes through a se lf-test cycle at
regular intervals. Any assoc iated noises
are norma l.
Parking
Various rules apply to prevent the parked ve­
hicle from rolling away accidentally.
P ar king
,. Stop the vehicle w ith the foot brake.
,. Pull the switch© to apply the parking
brake.
,. Se lect the
P se lector lever position
9 page 112.
,. Turn the eng ine off q _&. .
In addition on incline s and grad es
,. Turn the steering whee l so that your vehicle
wi ll ro ll against the curb in case it should
start to move .
A WARNING
-When you leave your veh icle -even if on­
ly briefly -always take the ignition key
with you. This applies particularly when children remain in the veh icle. Otherw ise
the ch ildren could sta rt t he engine, re­
lease the p arking brake or operate e lec­
trical equipment (e .g. power windows) .
T he re is the risk of an accident.
- When the vehicle is loc ked, no one -par­
t icu la rly not children sho uld remain in
the vehicle . Locked doors make it more
difficult for emergency workers to get in­
to the vehicle -putt ing lives at risk.
Start ing from rest
The starting assist function ensures that the
parking brake is released automatically upon starting.
Stopping and appl ying par kin g brake
,. Pull the switch© to apply the parking
brake.
St arting and automatic ally rel easi ng the
parking b rake
,. When you start to dr ive as usual, the park ­
ing brake is automat ically released and your
veh icle beg ins to move.
When stopping at a traffic signal or stopping in city traffic, the parking brake can be ap­
plied . The vehicle does not have to be held
with the footbrake . The parking brake elimi ­
nates the tendency to creep w ith a dr ive range
engaged. As soo n as you d rive off as usual,
the pa rking brake is re leased automatically
and the vehicle s tarts to move.
Sta rting on slopes
When starting on inclines, the starting assist
prevents the veh icle from u nintent ionally roll­
i ng back. The braking fo rce of the par kin g
brake is not re leased unti l su ff ic ient d riving
f orce has been built up a t the wheels.
(D Tips
Fo r safety reasons, the pa rking bra ke is re­
l eased automatically o nly when t he d riv­
er's safety belt is engaged in the buckle.
Starting off with a trailer
To prevent rolling back unintentionally on an
incline, do the following:
,. Keep the sw itch(®) pulled and depress the
accelerator. The pa rking brake stays applied
and p revents the vehicle from roll ing back­
ward .
,. You can release the switch© once you are
sure that you are developing enough for­
ward momentum at the whee ls as you de ­
press the acce lerator.

Depending on the weight of the r ig (vehicle
and trai ler) and the severity of the incline, you
may roll backwards as you start. You can pre­
vent roll ing backwards by holding the parking
brake switch(®) pulled out and accelerating -
just as you would when starting on a hill with
a conventional hand brake.
Emergency braking
In the event that the conventional brake sys­
tem fails or locks.
... In an emergency, pull the switch(®) and
continue to pull it to slow your vehicle down
with the parking brake.
... As soon as you release t he sw itch (®) or ac-
ce lerate, the braking p rocess stops.
If you pull the sw itch(®) and hold it above a
speed of about 5 mph (8 km/h), t he emergen­
cy braking fu nction is in itiated . The vehicle is
b raked at all four wheels by activating the hy­
d ra u lic bra ke system. The b rake performance
i s simi lar to making an emergency stop
c::> &. .
In order not to activate the emergency brak­
ing by m ista ke, an audible warning tone (b uz­
z er) sou nds when the switch®> is pulled. As
soon as the switch(®) is released, or the acce l­
erator pedal is dep ressed, emergency brak ing
stops .
A WARNING
Emergency braking should only be used i n
an emergency, when the normal foot brake
has failed or the brake pedal is obstructed.
Using the parking brake to perform emer­
gency braking will slow you r vehicle down
as if you had made a fu ll brake applicat ion.
T he laws of physics can not be s uspended
even w ith ESP and its associated compo­
nents (ABS, ASR, EDL). In corners and
when road or weather conditions are bad,
a full brake application can cause the vehi­
cle to skid or the rear end to break away -
r isking an accident.
On th e ro ad 83
Speed warning system
Introduction
The speed warning system helps you to stay
under a specified maximum speed .
The speed warning system warns you if you
are exceeding the maximum speed that you
have set. You will hear a warning tone when
you r speed exceeds the stored value by ap­
proximately 3 mph (3 km/h) . An indicator
li ght . (USA
models) ;a (Canada mode ls) in
the instr ument cluster d isp lay al so tur ns on at
the same time. The indicator light . /.
turns off when the speed decreases be low the
stored maxim um speed .
Se tting a t hreshold is recommended if you
would like to be rem inded w hen you reach a
certain maximum speed. Situations where you
may want to do so incl ude driv ing in a co untry
with a genera l speed limit or if there is a
specified maximum speed for winter tires.
(D Tips
Even though your vehicle is eq uipped w ith
a speed warn ing system, you sho uld still
watch the speedometer to make sure you
are not dr iv ing faster than the speed limit.
Setting the threshold
You can set, change and delete the threshold
in the MMI.
... Select: !CAR ! function button > Car systems
contro l button > Dri ver ass ist > Speed warn­
ing .
You can set any threshold between 20 mph
(30 km/h) and 150 mph (240 km/h) . Sett ings
can each be adjusted in increments of 5 mph
(10 km/h).

84 On the road
Cruise control
Switching on
The cruise control system makes it possible to
drive at a constant speed starting at 20 mph
(30 km/h).
0
f
®t
0
Fig. 83 Control lever w it h set butt on
Fig . 84 D is pl ay: Selected speed
"' Pull the lever to position (D c::> fig. 83 to
switch the system on.
"' Drive at the speed you wish to set.
"'Press button@to set that speed .
I :i:. ... a,
The stored speed and the ind icator light
[ij;W~1~ (US models) / 0 (Canadian models) ap ­
pear in the instrument cluster display
c:;, fig. 84 . The display may vary, depending on
the type of display in your vehicle . The indic a­
tor light . in the instrument cluster also illu­
minates.
The speed is kept constant
via an engine out­
put adjustment or active brake intervention .
8_ WARNING
-Always pay attention to traffic even when
the cruise control is switched on . You are
always responsible for your speed and
the distance between your vehicle and
other vehicles. -
For safety reasons, the cruise contro l
should not be used in the city, in stop­
and-go traffic, on twisting roads and
when road conditions are poor (such as ice, fog, gravel, heavy rain and hydro­
plan ing) - risk of accident.
- Turn off the cruise control temporarily when enter ing turn lanes, highway exit
lanes or in construction zones .
- Please note that inadvertently "resting" your foot on the accelerator pedal causes
the cruise control not to brake. This is
because the cruise control is overridden
by the drive r's acceleration.
- If a brake system malfunction such as
overheating occurs when the cruise con­
trol system is switched on, the braking
function in the system may be switched
off . The other cruise control functions re­
main active as long as the indicator light
m:lmi (US models)/ . (Canadian mod­
els) is on.
(D Tips
The brake lights illuminate as soon as th e
brakes decelerate automatically.
Changing speed
"' Press lever in the 0 or O direction
c::>page 84, fig. 83 to increase or decrease
your speed.
"' Release the lever to save that speed .
Change speed in increments of 1 mph (1 km/
h) by lightly press ing the lever. If you keep the
lever pressed down , you will alter your speed
in 5 mph (10 km/h) increments .
You can also press the accelerator pedal down
to increase your speed, e .g. if you want to
pass someone . The speed you saved earlier
will resume as soon as you release the acceler­
ator pedal.
If, however, you exceed your saved speed by
6 mph (10 km/h) for longer than 5 minutes,
the cruise control will turn off temporari ly.
The green symbol in the display
c> page 84, .,..

fig. 84 is replaced with a white symbol. The
saved speed remains the same.
Presetting your speed
You con preset your desired speed while the
vehicle is not moving .
.,. Swit ch on the ignition .
.,. Pull lever into posit ion @ ~
page 84,
fig . 83 .
... Press the lever in the 0 or 0 direction to
increase or decrease your speed .
.,. Re lease the lever to save that speed.
This function makes it possible, for example,
to save the speed you want before driving on
the highway . Once on the highway, activate
the cruise control by pull ing the lever toward
@.
Switching the system off
Temp orar y de activation
.,. Press the brake pedal, or
... Press the lever into pos it ion @ (not clicked
into p lace)
c:;, page 84, fig . 83, or
.,. Drive for longe r than 5 minutes at more
than 5 mph (10 km/h) above the sto red
speed.
Switching off compl etely
.,. Press lever into position @(clicked into
place), or
.,. Switch the ign ition off.
The system reta ins the saved speed if you de ­
activate the cr uise control tempo rarily . To re­
sume the saved speed, release the brake ped­
a l and pull the lever to position@.
Sw itch ing the ign ition off erases the saved
speed .
A WARNING
You should only return to the saved speed
if it is not too fast for the current traffic
condi tions - risk of an ac ciden t!
On th e ro ad 85

86 Adaptive cruise control and braking guard
Adaptive cruise control
and braking guard
Introduction
Applies to vehicles: with adaptive cruise co ntrol
The adaptive cruise control system assists the
driver by regulating vehicle speed and helping
to maintain a set distance to the vehicle
ahead, within the limits of the system . If the
system detects a moving vehicle up ahead,
adaptive cruise control can brake and then ac­
celerate your vehicle. This helps to make driv ­
ing more comfortable both on long highway
stretches and in stop -and-go traffic.
Audi braking guard can warn you about an im­ pending collision with a vehicle up ahead that
is slower or has slowed down and start slow­
ing your vehicle down with the brakes
<::> page 92.
Adaptive cruise control and Audi Braking
Guard have technical limitations that you
must know, so please read this section care­
fully, understand how the system works and
use them properly at all times.
General information
General information
Applies to vehicles: with Adapt ive cruise contro l
Fig. 85 Front of th e ve hicle : senso rs a nd video camera
The areas that contain the radar and ultrason­
ic sensors and the video camera
c::> fig . 85
must never be covered by stickers, or other
things or coated with dirt, insects, snow or ice
that will interfere with the Adaptive cruise
control system and Audi braking guard . Re­
move snow with a hand brush and remove ice with a de-icing spray that does not contain
solvents.
The function of the Adaptive cruise control
system and Audi braking guard is limited un­
der some conditions.
- Objects can only be detected when they are
within sensor range
c::> page 88, fig. 88 .
-The system has a limited ability to detect
objects that are a short distance ahead, off
to the side of your vehicle or moving into
your lane from the front or moves into your
lane from the side.
- When driving through curves
r=;> page 87.
-Some kinds of vehicles are hard to detect;
for examp le motorcycles, vehicles with high
ground clearance or overhanging loads mab
be detected when it is too late or they may
not be detected at all.
- Stationary objects
c::> page 87.
A WARNING
Improper use of the adaptive cruise con­
trol can cause collisions, other accidents
and serious personal injury. -
-Never let the comfort and convenience
that adaptive cruise control and Audi
braking guard 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
cru ise control and Audi braking guard
have lim its -they will not slow the vehi­
cle 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, vehi­
cles or obstacles that are not moving can
trigger a collision warning and if con­
firmed by the video camera, an acute col­ lision warning.
- Always remember that the adaptive
cruise control cannot detect a vehicle
that is driving towards you in your traffic
lane and that it cannot detect narrow
~

Adaptive cru ise co ntrol and b rakin g guar d 89
You must also press the b rake pedal when
the vehicle is stopped.
Sw itching adapti ve cruis e co ntrol off
~ Push the lever away from you into position
@ until it clic ks into p lace. The message
A CC off appears.
I ndicator lamps and messages in the instru­
ment cluster display inform you about the c ur­
rent system status and settings.
@ Indic ator light s
fl-adaptive cruise control is sw itched on . No
veh icles are detected up ahead . The stored
speed is ma inta ined.
I -A moving vehicle is detected up ahead .
The adaptive cruise control system regulates
the speed and distance to the moving veh icle
ahead and accelerates/brakes automat ically.
f:i -adaptive cru ise control is switched on. A
mov ing vehicle up ahead was detected. Your
veh icle remains stopped and will not start
driving automatically.
I -When automat ic braking is not able to
keep enough distance to a previously detected
mov ing vehicle up ahead, you must take con­
trol and brake¢
page 90, Prompt for driver
intervention.
© Di splay
If adaptive cruise control is not shown in the
d isplay, you can call it up with the multifunc­
tion steering wheel buttons
¢ page 23 .
Based on the symbols in the display, you can
determine if the system is maintaining a dis­
tance to the vehicle ahead and what that d is­
tance is .
No v ehicle -No vehicle ahead was detected.
White vehicle -A vehicle ahead was detected .
Red ve hicl e -Prompt for the d river to take ac­
tion
¢ page 90.
Both arr ow s on the scal e© indicate the dis­
tance to the vehicle ahead . No ar row appears
when the vehicle 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 shows the stored
distance. For informat ion on changing the
stored distance ¢
page 91. If the distance
selected is too close or may soon become too
close, the arrows move into the red zone on
the scale .
A WARNING
Improper use of the adaptive cruise con­
trol can cause collisions, other accidents
and serious personal injur ies .
- Pressing the
!SET ! button when driv ing at
speeds below
20 mph (30 km/h), w ill au­
tomatically accelerate the vehicle to
20
mph (30 km/h), wh ich is the minimum
speed that can be set .
(D Tips
- If you switch the ignit ion or the adaptive
cruise control off, the set speed is e rased
from the system memory.
- You cannot switch the Electron ic Stabili­
zation Program (ESP) to the SPORT mode
when adaptive c ruise control is sw itched
on.
Driving in stop-and-go traffic
Appl ies to vehicles: wi th adap tive c ruise control
T he adaptive cru ise contro l system also as­
sists yo u in stop-and-go traffic. If a previous
detected vehicle ahead stops, your vehicle wi ll
brake to a stop, within the limits of the sys­
tem.
~ To resume driving with adaptive cruise con­
trol, tap the acce lerator pedal or
~ Pull the lever toward you into position @
¢ page 88, fig. 89.
(D Tips
- If adaptive cruise control is act ive and
your vehicle does not start driving as ex­ pected after pu lling the lever once, you
can start out again by tapping the acce l-
erator peda l. ..,.

90 Adapti ve crui se control and braking gu ard
- If an obstacle is detected when your ve ­
hicle starts driving, the system will
prompt you to take over~
page 90.
Your vehicle w ill drive more slow ly when
starting . This may also happe n in some
situations when there no obstacle is ap ­
parent .
Interrupting cruise control
Applies to vehicles: with adaptive cruise control
Requi rement : adaptive cruise control must be
switched on.
Overriding cruise control
... To accelerate manually, pull the lever to­
ward you into position@~
page 88, fig. 89
and hold it there . The message ACC ove rri de
appears. Or
... press the accelerator peda l.
... To resume cruise control, release the leve r
o r take your foot off the acce le rator pedal.
Canc eling cruise control while driving
... Move the lever into posit ion @. The mes­
sage
ACC standb y appears . Or
... press the brake peda l.
... To resume the stored speed, move the lever
into position @.
Canceling cruise control when stopped
... Push the lever away from you into position
@ . The message
ACC standb y appears .
... To resume cruise control, press the brake
peda l and pull the lever toward you into po­
sition @.
A WARNING
Improper use of the adaptive cruise con­
trol can cause collis ions, other acc idents
and ser io us personal injuries.
- Never resume the stored speed if the
speed is too high for preva iling road,
traffic or weather conditions .
-
Prompt for driver intervention
Applies to vehicles: with adaptive cruise contro l
Fig. 91 Inst ru m en t cl ust er : req ues t fo r dr ive r in te rv en­
ti on
In certa in situations, the system will p rompt
you to take action . Fo r example , braking by
the adaptive cr uise control system is not
enough to maintain enough distance to the
vehicle ahead .
T he ind ic a tor light
I and the symbol in the
display will warn you abo ut the s ituation
r::!> fig. 91 . You wi ll also hear an acoustic signal.
- Press the brake pedal to slow your vehicle
down.
Changing the speed
Applies to vehicles: with adaptive cruise control
0
f
• 0
Fig. 92 Operating leve r: c ha ngi ng the speed
... To increase or reduce the speed in incre ­
ments,
tap the lever up or down .
... To increase or reduce the speed quick ly,
h o ld
the lever up o r down un til the red LED@
reaches the desired speed
r::!> page 88,
fig. 90.

Adaptive cruise control and braking guard 91
Setting the distance and driving
program
Applies to vehicles: with adaptive cruise co ntrol
Fig. 93 Operating leve r: sett ing the distance
The distance at which the adaptive cruise con­
trol follows a vehicle in front is determined by
time interva ls. A time interval to a vehicle in
front is estab lished and maintained. This pro ­
duces a speed-dependent inte rval. The higher
the speed, the greater the safety interval in
yards (meters)¢ ,&.
Setting the distance
~ Tap the switch to d isplay the current set dis­
tance
¢fig. 93.
~ To increase or reduce the distance by incre­
ments, tap the switch again to the left or
right. The distance between the two vehicles
will change in the instrument cluster dis­
play.
Setting the driving program
~ Select in the MMI: !CAR ! function button >
Car Systems control button > Driver assist >
adaptive cruise control > Driving program .
Setting the distance
When approaching a movi ng veh icle up ahead,
the adaptive cruise contro l system automati­
cally brakes to match that object's speed and
then maintains the stored distance. When this happens, the actual distance may briefly be
less than the stored distance. If the veh icle
ahead accelerates, adaptive cruise control will
also accelerate up to the stored speed.
The higher the speed, the greater the distance
in yards (meters) ¢&. . The
Distance 3 setting
is recommended. The distances
provided are specified va lues.
Depending on the driving situation and the
how the vehicle ahead is driving, the actual
distance may be more or less than these tar­
get distances.
,;:::::;, _c::::, ___ Distance 1: This setting corre-
sponds to a distance of 92 feet/28 meters
when traveling at 62 mph (100 km/h), or a
time interval of 1 second.
,;:::::;, __ c::::, __ Distance 2: This setting corre­
sponds to a distance of 118 feet/36 meters
when traveling at 62 mph (100 km/h), or a
t ime interval of 1.3 seconds.
,;:::::;, ___ ,;:::::;,_ Distance 3: This setting corre-
sponds to a distance of 164 feet/SO meters
when traveling at 62 mph (100 km/h), or a
time interval of 1.8 seconds.
,;:::::;, ____ c::::, Distance 4: This setting corre-
sponds to a distance of 210 feet/64 meters
when traveling at 62 mph (100 km/h), or a
t ime interval of 2.3 seconds.
Setting the driving program
You can select Dynamic, Standard or Comfort
driving programs. Depending on the selected
driving program and distance, driving behav­
ior when accelerating will vary from dynamic
to comfortable.
.&_ WARNING
Following other vehicles too closely in­
creases the risk of coll is ions and ser ious
personal injury.
- Sett ing short d istances to the traffic
ahead reduces the time and distance
availab le to bring your vehicle to a safe
stop and makes it even more necessary
to pay close attention to traffic.
-
-Always obey applicable traffic laws, use
good judgment, and select a safe follow­
ing d istance for the traff ic, road and
weather conditions .
(0 Tips
-Distance 3 is set automat ically ea ch time
you switch the ignition on. ..,.

92 Adaptive cruise control and braking guard
-Your standard settings are automatically
stored and assigned to the remote con­
trol key being used .
Audi braking guard
Description
Applies to vehicles: wit h adapt ive c ru ise control
Fig. 94 Instrument cluster: approach warn ing
Audi brak ing guard uses radar sensors and a
video camera . It is active at speeds above
about 6.2 mph (10 km/h) and also works
within system limits when adaptive cruise control is switched off.
On vehicles with aAdaptive cruise control and
Audi side assist (Audi pre sense plus), system
functions also engage when a co llision is im­
minent
¢page 188.
What can Audi braking guard do?
When detected in time, the system can assess
situations when a vehicle ahead brakes sud­
denly or if your own veh icle is traveling at a
h igh speed and approaching a vehicle up
ahead that is moving more slowly. Audi brak­
ing guard does not react if it cannot detect
the situation.
The system advises you of various kinds situa­ tions :
- The
distance warning is given if you are too
close to the vehicle ahead for a long time. If
the vehicle ahead brakes sharply, you will not be able to avoid a coll is ion. The ind icator
light
I i n the d isplay comes on. Take imme ­
diate action to avoid the coll is ion and in­
crease the distance to the vehicle up ahead. -
The
approach warning is given when a de­
tected vehicle up ahead in your lane is mov­
ing much more slowly that you are or if it
brakes sharp ly. When this warning is given,
it may only be possible to avoid a collision
by swerving or braking sharp ly . The indicator
light
I and the symbol in the disp lay will
warn you about the danger
c:> fig. 94 . You
w ill also hear an acoustic signal.
If you do not react fast enough or do not react
at all to the situation, Aud i braking guard w ill
intervene by braking and the message
braking
guard intervention
w ill appear.
- If a coll is ion is imminent, the system will
first provide an
acute warning by brak ing
sharply .
- If you do not react to the acute warning, Au­
di braking guard will brake w ith increased
force in severa l stages to reduce the speed
in a possible collisio n. On ve hicles w ith
adaptive cruise contro l and Audi side assist
(Audi pre sense plus), the system can brake
with increasing force up to maximum decel­
eration shortly before a sensed collision
¢ page 188.
- If
the Audi braking g uard senses that you
are not braking hard enough when a colli­
sion is imminent, it can increase the braking
force.
Audi braking guard takes the driver's reaction
time into consideration in order to provide
timely warnings. The system reaction time de­ creases automatically in some situations, for
example when it detects accelerator pedal use
or steering input . The Audi braking guard in­
tervent ion stops in certa in situations, for ex­
amp le if you press the accelerato r pedal to
pass the vehicle moving ahead of you in your
lane.
Which functions can be controlled?
You can switch Audi braking guard and the
distance/approach warning on or off in the
M M I c:> page 93, Settings in the MMI.

Adaptive cru ise co ntrol and b rakin g guar d 93
A WARNING ,~
The Audi braking guard is an assist system
and cannot prevent a collis ion by itself.
The driver must always intervene. The driv­ er is always responsible for braking at the
co rrect time.
- Always pay close attention to traffic,
even when the Aud i brak ing guard is
switched on. Be ready to intervene and
be ready to take complete control whe n­
ever necessary. Always keep the safe and
legal distance between your vehicle and
vehicles up ahead.
-Audi braking guard works within limits and wi ll not respond outside the system
limits, for examp le when approaching a
stopped vehicle or stationary obstacle
(end of a traff ic jam or vehicle that has
broken down in traffic).
- Always remember that the radar sensor
for the Audi braking guard works only
within defined detect ion and range limits
that may prevent the proper detection of
other vehicles.
- The radar sensor's function and range
can be reduced by rain, snow and heavy
spray. moving vehicles up ahead may not
be promptly detected or may not be de ­
tected at al l.
- Reflective surfaces includ ing c rash ba rr i­
ers or tunnel en trances may impair the
function of the radar sensor .
(D Tips
Innattention can cause collisions, other ac­
cide nts and serious persona l injuries.
- You can stop the Audi b raking guard in­
te rvention w ith increas ing braking force
by applying the brakes yourse lf or by a c­
ce le rat ing rapidly.
- Audi braking guard error messages
¢page 93.
Settings in the MMI
App lies to vehicles : wi th adap tive c ruise contro l
.,. Select: !CAR ! function button> Car sy ste m s
cont ro l butto n > Driv er a ssist> Audi brak ­
ing gua rd .
S ys tem -
Switch Audi b raking guard On and
Off . When you switch the ign it ion on, the
message
Audi br aking guard off appears in
the instr ument cluster d isp lay if the system is
switched off.
E arly warning -The distance and approach
warnings in the d isplay can be switched
On/
Off.
(D Tips
- Yo ur settings are automatically stored
and assigned to the remote cont ro l key
being used at the times the settings are
made.
- If you switch the ESP to sport mode, A u­
di braking guard switches off a utomati ­
cally
¢page 192.
Messages
App lies to vehicles : wi th adap tive c ruise control
ACC una vailable
ACC and braking guard: unavailabl e
The system cannot detect moving vehicles up
ahead co rrectly and is switched off . The sen­
sors have been d isplaced or are not worki ng
proper ly. The Audi pre sense functions may a l­
so be affected.
ACC: unavailabl e at this time. No sensor vi ­
s ion
ACC and b rak ing gu ide: una vailable at this
time . No s enso r vision
This message appears if the sensor view is ob­
structed, for examp le by leaves, snow, heavy
spray or d irt . Clean the sensors¢
page 86,
fig. 85.
ACC: unav ailable at this time. Incline too
steep