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Audi ada pti ve c ruise contr ol and br akin g gu ard
Audi adaptive cruise
control and braking
guard
Introduction
App lies to vehicles: with Audi adaptive cruise contro l
The adaptive cruise contro l system assists the
driver by regulat ing vehicle speed and helping to
maintain a set distance to the vehicle ahead,
within the limits of the system.
If the system de
tects a moving vehicle up ahead, adaptive cruise
control can brake and then accelerate your veh i
cle . This helps to make driving more comfortable
on long highway stretches .
The braking gua rd system can warn you about an
impend ing collision and initiat e braking maneu
vers
c:> page 95.
Adaptive cruise control and braking guard have
technical lim itations that you must know, so
please read th is section carefully, understand
how the system works and use them properly at
all times.
General information
General information
Applies to vehicles: with Audi adaptive cruise control
Fig. 92 Fro nt of t he veh icle : Pos itio n of rad ar sensor
The area that contains the radar sensor c:> fig . 92
must never be covered by stickers or other ob
jects or obstructed w ith dirt, insects, snow or ice
that will interfe re with the adaptive cruise con
trol system and braking guard. For information
on clean ing, refer to
C) page 184 . The same ap
plies for any modificat ions made in the front
area . T
he function of the adaptive cruise control sys
tem and braking guard is limited under some
condit ions:
- Ob jects can on ly be de tected when they are
within sensor range
C) page 91 , fig. 95 .
-The sys tem has a l imited ability to de tect ob
jects that are a short distance ahead, off to the
side of your vehicle or moving into your lane .
- Some kinds of veh icles are hard to detect; for
examp le motorcycles, ve hicles w ith hig h
ground clearance or overhanging loads may be
detect ed when it is too lat e or they may not b e
detected at all.
- When driving through curves ¢
page 90.
- Stationa ry objects C) page 90 .
,&_ WARNING
-= -Always pay attention to t raffic when adaptive
cruise control is switched on and braking
g uard is active. As the driver, you are still re
sponsible for starting and for maintain ing
speed and distance to other objects . Braking
g uard is used to ass ist you . The driver must
a lways take act ion to avoid a co llision . The
driver is always respons ible fo r braking at the
correct time.
- I mproper use of adaptive cruise control can
cause collisions, other accidents and ser ious
pe rsonal injury.
- Never let the comfort and conven ience that
adapt ive cr uise control and braki ng g uard
offe r distract you from the need to be a lert
to traffic cond itions 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 d istance when you drive towards an
obstacle or something on or near the road
that is not moving, such as vehicles stopped
in a traff ic jam, a stalled or disabled vehicle .
If reg istered by the radar sensor, vehicles or
obstacles that a re not mov ing ca n trigger a
coll is ion wa rning and if confi rmed by the
video camera, an acute co llision wa rning.
IJ,,
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Audi adaptive cruise control and braking guard
When the adaptive cruise control is turned on,
you must press the clutch to shift gears (as usu
al). When shifting normally or when press ing the
clutch , the adaptive cruise control remains
turned on.
After you have engaged the gear, you do
not
need to press the gas pedal. The adaptive cruise
control accelerates automatically if necessary .
If you press down on the clutch for too long or
shift/couple improperly, the adaptive cruise con
trol may t urn
off automatically .
@ Tips
You cannot turn on the adaptive cruise con
trol during a shifting operat ion.
Audi adaptive cruise
control
Description
Applies to vehicles: with Audi adaptive cruise control
Fig. 95 Detection range
What can Audi adaptive cruise control do?
The adaptive cruise control works in conjunction
with a radar sensor installed in the front of the
veh icle ¢
page 89, fig. 92, which is subject to
des ignated system limits¢
page 91. Stationa ry
objects are disregarded.
On open roads with no traffic, adaptive cruise
control works like a regular cruise control sys
tem. The stored speed is maintained . When ap
proaching a moving vehicle detected up ahead,
the adaptive cruise control system automatically
slows down to match that vehicle's speed and
then maintains the distance that the driver previ
ously stored. As soon as the system does not de- tect a vehicle up ahead,
adaptive cruise control
acce lerates back up to the stored speed.
Which functions can be controlled?
When you switch adaptive cruise control on, you
can set the current speed as the "contro l speed "
¢ page 91, Switching on and off.
When driving, you can stop cru ise control
¢ page 93 or change the speed ¢page 92 at
any time.
You can also set the distance to the object ahead
and set the adaptive cruise control driving pro
gram
¢ page 93.
Switching on and off
Applies to vehicles: with Audi adaptive cruise control
Fig. 96 Selecto r lever : sw itc hi ng on/off
Fig. 97 Instrument cluster: Audi adaptive cruise cont rol
0
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91

Audi adaptive cruise control and braking guard
You can set any speed between 20 mph and 95
mph (30 and 150 km/h).
I ndicator lamps and messages in the instrument
cluster display inform you about the current sys
tem status and settings.
Switching Audi adaptive cruise control on
• Pull the lever toward you into position @
¢
fig. 96. ACC standby appears in the instru
ment cluster d isplay.
Setting the speed and activating regulation
• To set the current speed, press the !SETI button
¢ page 11, fig. 4. The set speed is shown in the
tachometer @ and is also shown briefly in the
display @¢
fig. 97.
Switching Audi adaptive cruise control off
• Push the lever away from you into position @
until it clicks into place . The message
ACC off
appears.
@ Indicator lights
II-Adaptive cruise control is switched on. No
vehicles are detected up ahead. The stored speed
is mainta ined .
• -A moving vehicle is detected up ahead . The
adapt ive cruise control system regulates the
speed and distance to the moving vehicle ahead
and accelerates/brakes automatically .
• -When automatic braking is not able to keep
enough d istance to a previously detected moving
vehicle up ahead, you must take control and
brake
c> page 94 , Request for driver interven
tion .
© Display
If adaptive cruise contro l is not shown in the dis
p lay, you can call it up with the
IRESETI button
c>page23.
Based on the symbo ls in the display, you can de
termine if the system is maintaining a distance to
the vehicle ahead and what that distance is .
No vehicle -No vehicle ahead was detected .
White vehicle -A vehicle ahead was detected.
92
Red vehicle -Prompt for the driver to take action
c>page 94.
Both arrows on the scale© indicate the distance
to the vehicle ahead. No arrow 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 .
The green zone on the scale shows the stored dis
tance . For information on changing the stored
distance, refer tor:!;>
page 93 . If the distance se
lected 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 control
can cause collisions, other accidents and seri
ous personal injuries.
- Press ing the
!SETI button when dr iving at
speeds below 20 mph (30 km/h), will auto
mat ica lly acce le rate the veh icle to 20 mph
(30 km/h), which is the minimum speed
that can be set.
(}) Tips
-If you switch the ign it ion or the adaptive
cruise control off, the set speed is erased
from the system memory.
- The electronic stabilization control (ESC)
and the anti-slip-regulation (ASR) are auto
matically turned on when the adaptive
cruise control is turned on . Both systems
cannot be turned off if the adaptive cruise
control is turned on.
Changing the speed
Applies to veh icles: wit h Aud i adapt ive c ru ise control
0
f
jJ
0
Fig. 98 Selector lever: c hang ing the speed
co N 0 :i: .., m

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Audi adaptive cruise control and braking guard
.. To increase or reduce the speed in increments,
tap the lever up or down .
.. To increase or reduce the speed quickly,
hold
the lever up or down until the red LED ® reach
es the desired speed
<=:> page 91, fig. 97.
F ollowing any changes, the new stored speed will
be disp layed briefly in the display@r:::>
page 91,
fig. 97.
Interrupting cruise control
Appl ies to vehicles: w ith Audi a daptive cruise contro l
Fig. 99 Selec tor lever
Requirement: adaptive cruise contro l must be
switched on ¢
fig. 99 (D.
Overriding cruise control
.. To accelerate manually, press the accelerator
pedal. The message
ACC override appea rs.
.. To resume adaptive cruise control, remove your
foot from the gas pedal. The system returns again to the speed that was saved before.
.. You can save a new speed at any time by press
ing the
I SET I button ¢ page 11, fig . 4.
Canceling cruise control while driving
.. Move the lever into position @. The message
ACC standby appears. Or
.. press the brake pedal.
.. To resume the stored speed, move the lever in
to posit ion
@ .
A WARNING
Never resume the stored speed if the speed is
too high for prevailing road, traffic or weather
conditions.
Setting the distance
A pp lies to vehic les : with Aud i ada ptive cr uise con trol
Fig. 100 Selector lever: setting the distance
.. Tap the switch to display the current set dis
tance
r::::> fig. 100 .
.. To increase or reduce the d istance by incre
ments, tap the switch aga in to the left or right.
The distance between the two veh icles will
change in the instrument cluster display.
When approaching a moving vehicle up ahead,
the adaptive cruise control system brakes to
match that object's speed and then mainta ins
the stored distance.
If the vehicle ahead acceler
ates, adaptive cruise control will also accelerate
up to the stored speed .
T he higher the speed, the greater the distance in
yards (meters) ¢.& .T he
Distance 3 setting is
recommended .
T he distances provided are spec ified values. De
pending on the driving situation and the how the
vehicle ahead is driving, the actual distance may
be more or less than these target distances .
T he various symbols for the time increments ap
pear briefly in the info rmati on line @¢
page 91,
fig. 97 when you change the settings.
c:::::,_c:::::, ___ Distance 1: This setting corresponds
to a distance of 92 feet/28 meters when travel
ing at 62 mph (100 km/h), or a time interva l of 1
second.
c:::::, __ c:::::, __ Distance 2: This setting corresponds
to a distance of 118 feet/36 meters when travel
ing at 62 mph (100 km/h), or a time in terva l of
1.3 seconds.
ll>
93

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E ngine sp eed!
This drive r message appea rs in vehicles w it h
manual transm iss ion if the drive r had not up
shifted or downshifted in t ime wh ile using adap
tive cruise control braking or acce lerating, caus
ing the vehicle to exceed or not reach the permit
ted limit speed. The adapt ive cru ise control turns
off. A chime sounds as a reminder .
Shift l ever po siti on!
Veh icles with an automatic transmission : the
d river message appea rs if the selector leve r is
shifted to the N position . T he adapt ive cru ise
control is not available while in this position.
Veh icles with manual transmission : th e d river
message appea rs fo r vehicles wit h manual trans
miss ion if there is no forward gea r engaged,
meaning if the reverse gear or the 1st gear is en
gaged or if the selector lever is in the neutra l po
sition . The adaptive cru ise control is not avai lab le
while in this posit ion.
Stabilization control (ESC )
This message appea rs if the electronic stab iliza
tion contro l (E SC) is tak ing action to stab il ize the
ve hicl e. The adap tive cruise contro l tu rns off. A
chime sounds as a reminder .
Sp eed too low
T his message appears if the current speed is too
low to set or to maintain the desired speed.
The speed being saved must be at least 20 mph (30 km/h). The cru ise control is turned off for
speeds lower than 12 mph (20 km/h) . The adap
tive cruise control remains turned on for speeds
above 95 mph (150 km/h) (override) . It will sta
b ili ze again at 95 mph (150 km/h) when the d riv
e r takes his foot off of the gas pedal.
P a rking brake!
The driver message appears when the park ing
brake is activated . Adaptive cruise contro l is
turned off . A chime sounds as a reminder .
97

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-You can change the volume and pitch of the
signals as well as the display
c::, page 111.
- What appears in the display is time-de
layed.
Reverse Parking
Applies to vehicles: with parking system (rear, with rear view
camera)
Parking mode 1 can be used when parking in a
garage or parking space .
Fig. 114 MM I Di splay : Aiming at a park in g spot
Fig. 115 MMI Display: Aligning t he ve hicle
• Switch the MMI on and select the reverse gear .
• Turn the steering wheel until the orange orien
tation lines © appear in the parking spot
c::> fig. 114. Use the markings @to help you es
timate the distance from an obstacle. Each marking corresponds to 3 ft (1 m) . The blue
area represents an extension of the vehicle 's
outline by approximately 16
ft (5 m) to the
rear .
• While driving in reverse gear, adjust the steer
ing wheel angle to fit the parking space with
the aid of the orange orientation lines
r=> (D. @
marks the rear bumper. You should stop driving
in reverse as soon as and no later than when
Parking System
the red orientation line@) abuts an object
c::, &.!
A WARNING
-The rear view camera does not show the en
tire area behind the vehicle r=>page 107 ,
fig . 112. Watch out especially for small chil
dren and animals. The rear view camera can
not always detect them, posing r isk of an
accident!
- Please note that objects not touching the
ground can appear to be further away than
they really are (for example, the bumper of
a parked vehicle, a trailer hitch, or the rear
of a truck). In this case, you should not use
the help lines to help with parking, which
poses danger of an accident!
(D Note
- Low obstacles already signaled by a warning
can disappear from the system's detection
range as they are approached and will not
continue to be signaled. Objects such as
barrier chains, trailer draw bars, thin paint
ed vertical poles or fences may not be de
tected by the system, posing risk of dam
age.
- In the MMI display, the direction of travel of
the vehicle rear is represented depending on
the steering wheel angle . The vehicle front
swings out more than the vehicle rear .
Maintain plenty of distance from an obsta
cle so that your outside mirror or a corner of
your vehicle does not collide with any obsta
cles -danger of accident!
109

Airbag system
(D Tips
If the weight-sensing mat in the front passen
ger seat detects an empty seat, the front air
bag on the passenger side will be turned off,
and
PASSENGER AIR BAG OFF will stay on.
Repair , care and disposal of the airbags
Parts of the airbag system are installed at many
different places on your Audi. Installing , remov
ing, servicing or repairing a part in an area of the
vehicle can damage a part of an airbag system and prevent that system from working properly in a collision.
There are some important things you have to
know to make sure that the effectiveness of the
system will not be impaired and that discarded
components do not cause injury or pollute the
environment.
A WARNING
Improper care, servicing and repair proce
dures can increase the risk of personal injury
and death by preventing an airbag from de
ploying when needed or deploying an airbag
unexpectedly:
-
- Never cover, obstruct, or change the steer
ing wheel horn pad or airbag cover or the in
strument panel or modify them in any way .
- Never attach any objects such as cupholders
or telephone mountings to the surfaces cov
ering the airbag units.
- For cleaning the horn pad or instrument panel, use only a soft, dry cloth or one mois
tened with plain water. Solvents or cleaners could damage the airbag cover or change
the stiffness or strength of the material so
that the airbag cannot deploy and protect properly.
- Never repair, adjust , or change any parts of
the airbag system.
- All work on the steering wheel, instrument
panel, front seats or electrical system (in
cluding the installation of audio equipment,
cellular telephones and CB radios, etc.)
must be performed by a qualified technician
142
who has the training and special equipment necessary.
- For any work on the airbag system, we
strongly recommend that you see your au
thorized Audi dealer or qualified workshop .
- Never modify the front bumper or parts of
the vehicle body.
- Always make sure that the side airbag can
inflate without interference:
- Never install seat covers or replacement
upholstery over the front seatbacks that
have not been specifically approved by
Audi .
- Never use additional seat cushions that
cover the areas where the side airbags in
flate.
- Damage to the original seat covers or to
the seam in the area of the side airbag
module must always be repaired immedi
ately by an authorized Audi dealer .
- The airbag system can be activated only
once . After an airbag has inflated, it must
be replaced by an authorized Audi dealer or
qualified technician who has the technical
information, training and special equipment
necessary.
- The airbag system can be deployed only
once . After an airbag has been deployed, it
must be replaced with new replacement
parts designed and approved especially for
your Audi model version. Replacement of complete airbag systems or airbag compo
nents must be performed by qualified work
shops only. Make sure that any airbag serv
ice action is entered in your Audi Warranty
& Maintenance booklet under AIRBAG RE
PLACEMENT RECORD.
- In accidents when an airbag is deployed, the
vehicle battery separates the alternator and
the starter from the vehicle electrical sys
tem for safety reasons with a pyrotechnic
circuit interrupter.
- Work on the pyrotechnic circuit interrupt
er must only be performed by a qualified
dealer - risk of an accident!
- If the vehicle or the circuit interrupter is
scrapped, all applicable safety precautions
must be followed.
llll-

Intelligent Technology
The fo llowing s ituations are exceptions where it
may be useful to switch on sport mod e to a llow
the wheels to sp in : -
Rock ing the vehicle to free it when it is stuck
- Dr iv ing in deep snow or o n loose g ro und
- Dr iving with snow chains
Sport mode on ESC/ASR off Sport mode off or
ESC/ASRon
Beha vior
The ESC and ASR stabiliza- The stabilization funct ion is The f ull stabilization fun c-
t ion f un ct ions are lim ited not availab
le ¢ ,&. . ESC and
tion of the ESC and ASR is
¢ .&. .
ASR are switched off. ava ilab le aga in.
Op era tion Press the I 1> OFF I button Press and hold the !1> O FFI Press the I,, OFF I button
briefly . button longer than 3 sec- again.
onds .
In dicato r II turns on.
• and lf'lii•li~ turn on . II turns off or II and
light s lf'lii•l~~ turn off.
Driv er m es- Stabilization contr ol (E S C): Stabilization control (ESC ): Stabilization control
s age s Sport. Warning! Restri cted off . Warning ! Re stri cted (ESC
): On
s t a bilit y stabilit y
It is only possible to t urn off the ASR up to 30
mph (SO km/h) fo r vehicles w ith front wheel
d rive. At about 45 mph (70 km/h) it automatical
ly tu rns on again. It is possible to turn off the
ASR at any speed for vehicles w ith all whee l
drive .
A WARNING
You should only switch sport mode on or
switch ESC/ASR off if your driving abilities
and road conditions permit .
-
-The stabilization function is limited when
sport mode is sw itched on . The driving
wheels co uld spi n and the vehicle could
swerve , espec ia lly on s lick o r slippery road
s ur faces.
- The re is no vehicle stab ilizat ion when ESC/
ASR a re switched off.
(D Tips
ESC/ASR cannot be sw itched off or sport
mode cannot be switched on when cruise co n
t rol or adaptive cruise control* is switched on .
172
Braking
What affects braking efficiency?
New brake pads
D ur ing the first 250 miles (400 km) , new brake
pads do not possess their full b raking effe ct, they
have to be "b roken in" first ¢,&. . You can com
pensa te for th is slightly reduced b raking power
by p ushing harder on the brake pedal. Avo id
heavy braking loads dur ing the break-in period .
Operating conditions and driving habits
The brakes on today's automobi les are s till sub
je ct to wear, depending large ly on operating con
dit ions and driving habits ¢.&. . On vehi cles that
a re either driven mostly i n stop-and-go city traf
fic or are drive n hard, the b rake pads sho uld be
checked by your authorized A udi dealer more of
ten than specified in the
Wa rrant y & Mainte
nance book let .
Failure to have your brake pads
i nspected can result in reduced brake perform
ance .
On steep slopes, you should use the brak ing ef
fect of the engine . Th is way, you prevent unnec
essary wear on the brake system . If you must use
your brakes, do not ho ld the bra kes down contin
u ously. P ump the bra kes at inte rvals.