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____________________________________________ A_ d_ a.._p _t_ i_ v _e_ c_r_u _ i_ s _e_ c_o_ n_ t_r _o _l __ ffl'II
[I) Tips
• If the adaptive cruise control initiates brak ing, the hydraulic brake
system is under pressure. Therefore, the brake pedal distance is
shorter and the peda l "feels" harder.
• Adaptive cruise control is switched off after pressing the foot
brake. The speed saved up this poi nt can be resumed.
• To resume the saved speed, release the brake pedal and press the
control lever:::::,
page 120, "Turning adaptive cruise control off
temporari ly".
• If you use the accelerator to go faster than the speed of the object
ahead of you, the
driver intervention prompt will not be accompa
nied by a warn ing s ignal.
• If the speed you prev iously set is exceeded, the indicator light in
the speedometer will switch off .•
A pplie s to vehicles: w ith adapt iv e cru is e control
MMI settings
Individual settings for adaptive cruise control can be
selected in the
fV/fVII.
Settings for the driving program can be adjusted individually
to the particular user and saved in the MMI.
- Press the [CAR]function button .
- Select
Adaptive Cruise Control. The Adaptive Cruise
Control
menu appears.
- Select
driving program .
-Select the desired driving program .
Controls and equip
ment Safety first
Setting the driving program
In
the driving program menu you can adjust the character istics of
adaptive cru ise control to what you want using
dynamic , standard or
comfort.
Saving settings
Your individual settings are automatica lly saved and assigned to the
remote control key being used (remote key storage) . If the key is
given to another person, the saved settings remain as they are. •
System limitations
Applies to vehicles : with adaptive cruise cont rol
General information
Some driving situations which affect the function of the
radar sensor are described below.
When driving, the adaptive cru ise contro l is governed by physical and
system-specified limits. Also, under certain circumstances, the ACC
system may react unexpectedly or late from the driver's point of view.
Therefore, a lways be attentive and intervene, if necessary:
• when driving around curves:::::,
page 128
• when vehicles in front are not in line with your vehicle:::::, page 128
• whe n other ve hicles are changing lanes:::::, page 128
• when other vehicles are difficult to detect:::::, page 129.
& WARNING
The radar sensor's vision can be reduced by rain, snow and heavy
spray . This can result in vehicles driving ahead being inadequately
detected or, in some circumstances , not detected at all. If neces
sary, take action yourself!•
Vehicle care Technical data
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1111..__A_ d_a_ p ::...... t_iv _ e_ c_r _u _i_ s _e _ c_o _n_ t_ r _o_ l ___________________________________________ _
Applie s to vehicles : w ith a daptiv e cr uise co ntrol
When driving around curves
~ ~;:;;;;;;:;;;:;;:;;;======== =;~
~
.J
Entering a curve
Fig. 125 Vehicle
entering a curve
Fig. 126 Vehicle
leaving a curve
When entering a curve, the adaptive cruise control may react to a
vehicle in the next lane and apply the brakes in your vehicle
=> fig. 125. The braking action can be overridden by depressing the
accelerator pedal.
Leaving a curve
At the exit from very long curves the predictive lane reading can cause
the adap tive cruise control to react to another vehicle in the next lane
and apply the brakes in your vehicle => fig. 126. The braking action
can be overridden by depressing the accelerator pedal.•
Appli es to v eh icles : wi th adaptive cru is e co ntro l
Vehicles offset to one side
Fig. 127 Vehicle trav
eling ahead outside
the detection range of
the radar sensor
Vehicles traveling ahead and to one s ide cannot be detected by the
adaptive cruise control until they are within the detection range of
the sensor. •
Appli es to veh icle s: wit h ad aptiv e cruise co ntro l
Lane changes by other vehicles
Fig. 128 A vehicle
changes lanes
Vehicles wh ich move into your lane a short distance ahead cannot be
identified by the adaptive c ruise control until they are in the radar
sensor's detec tion range. •
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____________________________________________ A_ d_ a___,_ p_t_ i_v _e _ c_r _u _ i_ s _e _ c_o _ n_ t_r _o _l _ __.ffl'I
A pp lies to ve hicles : with a daptiv e cr uise c ontro l
Vehicles that are difficult to detect
OJ
Fig .129 Two-wheeled
vehicle driving ahead
Vehicles that are difficult to detect, e.g . two-wheeled vehicles ahead,
vehicles with h igh ground clearance, protrud ing load, are frequently
detected late or not at all, under some circumstances .•
A ppli es to ve hicl es: with ad apti ve c rui se cont rol
Stationary vehicles
k-----------------· g
Con tro ls a nd e quip
m en t
;
Fig. 130 Turning and
stationary ve hicle
Vehicle OP-eration
Fig. 131 Sheering out
and stationary vehicle
If a vehicle that has been detected by the ACC system turns off or
sheers out, and there is a stationary veh icle ahead of that vehicle, the
ACC system does not respond to the stationary vehicle=> fig. 130 and
=> fig.131. •
Audi braking guard
Applies to vehicles: with ada ptiv e cr uise con trol
Description
Audi braking guard warns you of a threatening collision
with a vehicle ahead .
Fig. 132 Display in
the in strum ent cluster ...
Vehicle care Do-it-yourselt service iTechnical data
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IIII.___A_ d_ a,.:.p _ t_ i _v _ e_ c_ r _u _ is_ e_ c_o _n_ t_r _o _l _____________________________________________ _
The Audi braking guard is active from a speed of approx. 20 mph
(30 km/h) and works within the system limits=>
page 12 7 even when
the adaptive cruise control is deactivated.
A radar sensor is built into the front of the vehicle=>
page 116,
fig. 113. The system is intended to measure the distance to reflective
surfaces. If a measurement is not possible, the system does not
respond.
When the measurement has taken place, the system can assess a
hazardous situation, when a vehicle ahead suddenly brakes or when
your own vehicle is dr iving at high speed towards a much slower
vehicle ahead. As soon as the system assumes that a possible colli
sion w ith the vehicle ahead can only be avoided by immediate all-out
braking or by an avoiding maneuver, a warning appears .
Th e system has a pre-set response time to be able to warn in good
time. This system response time is automatically reduced if you accel
erate actively, for example to join a highway. Braking, transverse
acceleration and the steering angle can lead to a reduced system
response time. The warning is deactivated if you begin to overtake
with full accelerat ion.
The system draws your attention to two different hazardous situa
tions:
Distance
Th e distance wa rning is issued in the event of inadequate distance to
the vehicle ahead a period of more than S seconds. If the distance is
less than 30 feet (9 meters) at SO mph (80 km/h), for example, an
optical display is faded in on the instrument cluster=>
page 129,
fig. 132.
If the vehicle ahead brakes sharply, a collision cannot be avoided,
even in the case of an immediate response. In this case, increase the
distance to the vehicle ahead.
Speed
If there is a much slower vehicle ahead in your lane, or if the vehicle
ahead brakes sha rply, the Audi braking guard calculates the point from which a collision can only be avoided by all-out braking or by an
avoiding maneuver. If a warning does sound, a possible collision with
the vehicle in front can be avoided through an evasive maneuver or by
braking.
Th e warn ing is given in two stages:
• Pre-warning: An optical display appears in the instrument cluster
and a warning tone sounds.
• Acute warning: If you do not respond to the pre-warning, the
second stage, the acute warning, is issued. A brake jolt reminds you
to concentrate on the road again.
Under heavy breaking, brake assist =>
page 245 also helps you obtain
maximum braking effic ien cy.
& WARNING
Always pay attention to traffic, even when the Audi braking guard
is switched on. You are always resp onsible for
your speed and the
distance between your vehicle and other vehicles.
• Always keep the legally stipulated safety distance between
your vehicle and the vehicle ahead -danger of accident!
• The Audi braking guard does not respond outside the system
limits, for example if you approach a stationary obstacle (end of a
traffic jam or breakdown vehicle).
• Please observe that the Audi braking guard is subject to restric
tions in narrow bends due to the field of vision of the radar sensor.
This may possibly lead to obstacles not being detected.
• The radar sensor's
vision can be reduced by rain, snow and
heavy spray . This can result in vehicles driving ahead being inade
quately detected or, in some circumstances, not detected at all.
Always watch where you are driving.
• Reflecting objects such as e.g. crash barriers or the entrance to
a tunnel may impair the function of the radar sensor.•
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Adaptive cruise control -____________ __._ __ _
App lies to vehicl es: w ith a daptive cruis e co ntro l
Settings in the MMI
The settings of the Audi braking guard are performed in
the
/11/11 1.
Sett ings rega rd ing t he syste m and the early warni ng can be
adjusted to t he respective user a nd saved in the MMI.
Switching the system on and off
- Press th e [C AR]fun ction butt on.
- Select
Audi braking guard . The Audi braking guard menu
appears.
- Select
System on to switch the system o n or off to switch
the system o ff.
Switching the early warning on and off
- Press the [ CA R] functio n bu tto n.
- Selec t
Audi braking guard . The Audi braking guard m enu
ap pea rs .
- Select
Early warning on to swi tch the acoustic and optical
warni ng on or
off to sw itc h the system off .
(I) Tips
When handing ove r th e keys to another person , the p revious settings
a re adopted if the Audi bra king guard is activated ~
page 42. •
Controls and equip
ment Safety first
A
pp lies to vehicles : w ith ada ptiv e cr uise cont ro l
Driver's information in the instrument
cluster display
Braking guard brak e jolt
Thi s dr iver's info rmation appears when a bra ke jolt has been carried
o ut due to an a cute war ning .
Braking guard off
This dr iver's info rm ation appea rs when the syste m has bee n deacti
vated v ia the MMI. Furthermore the information appears each t ime
shortly after t he beginning of the jo ur ney w hen the system is
switched off.
Thi s driver's informat ion also appears w hen the system is not ava il
able due to a malfunct io n or if you switch the ESP/ ASR off
~ page 240 . In this sta te the system no longer warns of a pend ing
co llision .•
Vehicle care Technical data
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IIIIL_!_A~u~d~i~l!:!a~n~e '...:a~s~s:!:is~t ~--------------------------------------------
Aud i Lane assist
Lane assist
Applies to veh icles : w ith lane assist
Description
Lane assist helps you keep your vehicle in your lane.
Lane assist uses a camera to detect lane boundary lines. If the system
detects that your vehicle is about to leave a lane boundary line, the
steering wheel
vibrates to alert the driver. If lane assist detects
boundary lines on both sides o f the veh icle's lane, the system enters
act ive standby mode, which is indicated by t he gree n indicator light
/ : on the instrument cluster .
If the system is in active standby mode and the turn signal is acti
vated before driving over the boundary line , the warning does not
occur sinc e th e system allows for in tention al lane changes.
The system is designed for driving on freeways and expanded high
ways and th us works only at speeds of 40 mph (65 km/h) or more.
& WARNING
• Lane assist will not keep your vehicle in your lane. The system
only warns the driver when the vehicle is leaving the lane. The
driver is always responsible for keeping the vehicle in the lane.
• The camera is not able to detect all lane boundary lines and in
some cases might also detect lane structures or objects as
boundary lines. This can lead to incorrect warnings or warnings
that fail to go off at all.
• The camera's visibility can be impaired by vehicles ahead of
you, for instance, or by rain, snow, heavy spray or light shining
into the camera lens. This can cause lane assist to fail to detect
boundary lines. •
Applies to veh icles: wit h lane assist
Activating and deactivating
•
Fig. 133 Turn signal
lever: Lane assist
button
Fig. 134 Windshield:
Lane assist camera
viewing window
-Press the=> fig . 133 button to act ivate or deactivate the
system. The/: ind icator light o n the instrument cluster
will illumi nate or go out.
Instrument cluster indicator light
/:\Ready: The green indicator light shows that the system is ready to
use. A warning alerts the driver when the vehicle drives over detected
lane boundary lines . -.,
Page 135 of 364

Audi lane assist ml
----------------
Not ready: The yellow indicator light shows that the system is
turned on but unable to send a warning. This can be due to the
following:
• Th ere are no boundary lines, or there is only one boundary line
present.
• The boundary lines are not detected (e .g . due to snow, dirt, wet
conditions or light shining into the camera lens).
• More than two boundary lines (such as at construction sites) are
located in the vehicle's lane.
• Th e vehicle's speed is below the speed needed to activate it, which
is about 40 mph (65 km/h) .
• Th e lane is narrowe r than about 8
ft. (2.5 m), or wider than about
16 ft. (5 m).
• The curve is too sharp.
Notes on the instrument cluster display
When the lane assist turns off automatically, the instrument cluster
indicator goes out and one of the fo llowing messages appears on the
display:
Audi lane assist not available: currently no sensor vision
This message appears when the camera can no longer function
because it cannot detect the boundary lines. This may be due to the
following:
• Th e exte rior side of the camera viewing window=>
page 132,
fig. 134 is covered with dirt or ice. Clean this part of the windsh ield.
• Th e came ra viewing window is fogged up on the inside. In this
case, wait until the fog disappears before turning lane assist on
again.
• Th e system was unable to detect boundary lines over an extended
period of time due to road conditions (such as snow-cove red lanes).
Do not turn lane assist on aga in until the lines can be more easily
detected.
Audi lane assist currently not available
Controls and equip
ment Safety first
A temporary malfunction
is preventing lane assist from operating .
Tr y turning on lane assist again at a lat er time.
Audi lane assist: system fault
The system shou ld be checked by an authorized Audi dealer or other
qualified wo rkshop.
[ i ] Tips
• Make sure that the camera viewing window =>
page 132, fig. 134
is not covered by stickers or similar objects.
• Always keep the camera viewing w indow clean. This can us ually be
done by operating the windshie ld wipers. •
Applies to ve hicles : with lane assist and trip comp ute r
Indicator in the instrument cluster display
Vehicle care
Fig. 135 I nstrument
cluster: lane assist
ac tiva ted and
provid in g warning s ...
Technical data
Page 136 of 364

1111....__A_ u_ d_i_ l_ a_ n_ e_ a_s_ s_ is_t _________________________________________________ _
Fig. 136 Ins trume nt
clu ster : lane assis t
ac tiv ated , bu t n ot
ready to provid e warn
ing s
Press the [ RESET] button in the winds hield wipe r lever repeated ly to
show the lane assist display . For ad ditiona l information, refer to
:::>pag e 24.
When lane assist is activated, two lines appear which show the lanes
t o the le ft and right of yo ur vehi cle.
Version @ : Monochrome display
• Solid red lines: lane ass ist is activa ted and ready to prov ide war n
ings.
• One red line bli nks (left or r ight) : lane ass ist warns you abou t
changin g lanes =>
page 133, fig. 13 5.
• Open lines: lane assist is activated, but not ready prov ide warn ings
=> fig. 136 .
Version @: High-resolution display
• Solid whi te lines: lane ass is t i s activa ted and ready to p rovide
wa rnings.
• Solid red line (left o r rig ht): lane ass ist w arns you about changi ng
lanes=>
page 133, fig. 135.
• Ope n lines: lane assist is activated, but no t ready p rovide warn ings
=> fig. 136.
Messages in the instrument cluster display
If lane assis t sw itches o ff automatically, the indicator light in the
ins tru men t cluste r goes ou t and one of the following messages
appears in the disp lay:
Audi lane as sist not available: Currently no sensor vi sion
T hi s message appears if t he camera is unab le to detect the lines. This
c o uld h appen i f:
• Th e came ra field of view=>
page 132, fig. 13 4 i s dirty or covered
in ice. Clean the area on the windshie ld.
• Th e came ra field of vi ew is fogged over . Wait unt il the fog has
disappea red befo re switching lane assist on .
• The system has been unable to detect the lanes for an extended
period of time due to road cond it ions s uch as lanes covere d in snow .
Switch la ne assist back on when the li nes are mo re vis ible.
Audi lane assist not available
Th ere is a temporary lane assist malfunction. Try switching lane
assist on again later.
Audi lane assist: system fault
H ave an au thor ized A udi deale r check the syste m.•