lane assist AUDI A5 COUPE 2011 Owners Manual

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 133 even when
the adaptive cruise control is deactivated.
A radar sensor is built into the front of the vehicle=>
page 122,
fig. 112. 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 135,
fig. 131.
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 brak
ing 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 241 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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Audi side assist
Lane change assistant
Applies to veh icles : w ith s ide ass ist
Description
The side assist helps you when changing lanes.
A UD I
0
•
Fig . 1 32 Rear
bu mper: Position of
r a d ar s ensors ( not
v isible on ou ts ide)
Fig. 133 Signal light
o n the out side m ir ror -
driv er's s id e
Side ass ist uses radar sensors (not vi sible on outside)=> fig. 132 to
help the driver check blind spots , and see what is happen ing in traffic
behind the vehicle=>
page 139, fig. 135.
Signal lights are bu ilt into both outside mirrors
(D => fig . 133 . The
signal ligh t on the left ou tside mirror assists when moving over in to the
left lane and the signal light on the right outs ide mirror assists
when moving over into the right lane.
T he sig nal light comes on to tell you that side assist has detected a
vehicle on that side and that the position of this other vehicle should be taken into acco unt if you were to change lanes . This is called the
inf ormational stage signal =>
page 140. The informationa l stage
signal is designed so that you not ice it only when you are looking in
the o utside m irror.
When you activate the turn s ignal and side assist detects a vehicle in
a notable locat io n, the co rrespo nd ing s ignal on the ou tside m irror
flashes briefly and brightly several times. This is the alert stage
s ignal =>
page 140. •
Applies t o vehicle s: wit h sid e ass ist
Activating and deactivating
Activating
Fig. 134 Dr ive r's
do or: S ide assist
bu tto n
- Press the=> fig. 134 button . The indicator on the but ton
lights up . .,_

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Deactivating
- Pre ss th e b utton again . Th e ind icator light on the button
goes o ut.
The system works at speeds faster than 19 mph (30 km/h) .
& WARNING
• Improper reliance on the side assist system can cause collisions
and seriou s per sonal injury:
- Never rely only on side assist when changing lanes.
- Alway s check rear view mirrors to make sure that it is safe to
change lanes.
• Side assist cannot detect all vehicles under all condition s­
danger of accident!
• Side a ssist cannot detect vehicle s
in time to alert you when
they approach from behind at very high speed , or fall drop bac;k
very quickly .
• The radar sensor's
vision can be reduced o r entirely blocked by
rain, snow, and heavy spray . Thi s can result in side a ssist not
adequately detecting vehicles o r, in some cases , not detecting
them at all. Always keep an eye on the direction you are traveling
and the relevant area around the vehicle.
• Plea se note that side assi st indi cates there are approaching
veh icles, or vehicles in your blind spot, only after your vehicle has
reached a driving speed of at lea st 19 mph (30 km/h).
• Side assist signal does not work around tight corners (turning
radius le ss than 328 feet or 100 m).
• Side assist is no replacement for the driver's full attention. The
driver alone is respon sible for lane changes and similar driving
maneuvers. Always keep an eye on the direction you are traveling
and the relevant area around the vehicle .
Controls and equip­
ment Safety first
0 Note
• T
o ens ure t hat you do not adve rsely affec t side assist, do not blo ck
the area on the rear bumper where the radar sensors are located with
foreign obje cts (s uch as stickers or bicy cle ra cks).
• Make s ure that the s ignal light on the outside mirror is not
blo cked by st ickers or o ther ite ms.
W Tips
• Side assist a utoma tically deact iva tes if it de tects that the rada r
sensors are blocked=>
page 145. The indicator light on the button
goe s out.
• Th e area on the bumpe r w here the ra dar sensors are located must
c o nsistent ly remain free of snow, i ce, a nd heavy soiling so tha t side
assist can funct ion p roper ly. Follow the add itiona l notes on
=>
page 1 45 .
• Additiona l tint ing on the front si de windows can make it ha rder to
see and co rrec tly un ders t and t he sig nal ligh t on the outs ide m irro r.
• F or Declaration of Compliance to United States FC C and Industry
Cana da regulat ions=>
pag e 343. •
Applies to veh icl es: w ith s ide ass ist
Sensor detection area
Vehicle care
Fig . 135 Schem atic
ill ustration: Se nsor
detectio n area
~
Technical data

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The detection~ page 139, fig. 135 of the radar sensor detection
area is made up of :
• the approach area (light green area)
(D, about 230 feet (70 m)
behind the vehicle , and
• the "blind spot" (dark green area)@.
The radar sensors cover the adjacent left and right lanes. Other lanes
are
not covered by the radar sensors .
rn Tips
Side assist does not measure actual lane width. The system assumes
a fixed lane width. Detection in the left and right lanes is based on
this assumed lane width. When driving on narrow roads or when
driving to the left or right of the center of a travel lane, it is possible
that vehicles will be detected that are
not in the lane next to the lane
you are using~
page 144. •
Applie s to vehic les: w ith s ide a ssist
Operation
Side assist compares the distance and difference in speed of detected
vehicles with the speed of your vehicle . Whenever the difference in
speed and distance is registered as notab le if you were to change
lanes , a signa l light appears on the respective mirror .
The signal can light up if you are passed by a vehicle or if you are
passing another vehicle .
If you pass another vehicle slowly (difference in speed less than 9
mph, or 15 km/h), the signa l light will come on as soon as the other
vehicle is in your blind spot and is detected by side ass ist. When the
difference in speed is greater, the signal light will not come on. •
Appli es to vehicles : with si de assist
Informational and alert stage signals
Side ass ist has two signal stages:
• the informational stage signal, and
• the alert stage signal.
Side assist helps you by using the appropr iate signal stage,
depending on whether or not you have activated the turn signal, and
thus have indicated that you are or are not changing lanes.
Informational stage signal
As long as you have not activated the turn signal, s ide assist informs
you of detected vehicles that are reg istered as being in a notable loca ­
tion if you were to change lanes . Whenever the detected vehicle's
difference in speed and distance is registered by side assist as
notable , the signal light on the respective mirror produces muted
illumination.
Th e brightness of the informat ional stage signal is designed not to be
as intense, so that it does not interfere with your view of the road
when you are driving and have no intention of changing lanes. When
you look in the outs ide mirror, you can clearly see the informational
stage signal.
Alert stage signal
When you act ivate the turn s ignal , and side assist has detected a
vehicle in a notable location on that particular side , the signal light on
this side mirror flashes brightly. The repeated brief and bright
flashing of the alert stage signal reminds you to carefully check
traffic to the rear in the outside mirror and over your shoulder, so that
you can safely complete the lane change~
& in "Safety tips" on
page 145.
rn Tips
The brightness of the signa l light on the outside mirrors can be
adjusted with the MMI*
~ page 143. •

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A pplie s to vehicles : wi th s ide ass ist
Driving situation: Fast approaching
vehicles
Fig. 136 Side assist: Fast approaching vehicles
(D Signal on outside mirror does not light up
No vehicle was detected by the sensors . The signal on the outside
mirror does not light up~
& in "Safety tips" on page 145.
@ Informational stage signal lights up
A fast approaching vehicle· in the left-hand lane for example· was
detected by the sensors . Although this vehicle is sti ll far away, it
should be taken into account if you were to change lanes, due to the
considerable difference in speed . The informational stage signal on
the outside mirror lights up~
page 140.
Contro ls a nd e quip ­
m en t Vehicle
OP-eration
® Alert stage signal flashes
If you act ivate your turn signa l in driving situation @, the signa l
br iefly f lashes repeatedly . Side assist is alert ing you to a vehicle that
you may not have noticed .
[I) Tips
• The faster a vehicle approaches from the rear, the sooner the
signal on the outs ide mirror l igh ts up . S ide assist will signal, at the
latest, when a detected vehicle enters your "blind spot".
• Whe n veh icles approach very quickly, chang ing lanes can be
dangerous even if the signal on the outside mirror does not light up. •
App lies to vehicles : with side assis t
Driving situation : Slowly approaching
vehicles
Fig. 137 Side assist: Slowly approach ing vehicles and vehicles in your blind
~ot
~
Vehicle care Do-it-yourselt service iTechnical data

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© Signal on outside mirror does not light up
A vehicle approach ing s low ly- in the left-hand lane for example -was
detected by the sensors. Because of the small difference in speed and
the considerable distance from your vehicle, the signal on the outside
mirror will not light up=>
& in "Safety tips" on page 145 .
@ Informational stage signal lights up
The distance between your vehicle and that of the slowly approaching
vehicle has narrowed . The informational stage signal on the outside
m irror lights up.
As soon as the difference in speed and distance is registered as
notable if you were to change lanes, a signal on the mirror lights up.
Side assist will signal at the latest when a detected vehicle enters
your "blind spot" .
@ Alert stage signal flashes
If you activate your turn signal in dr iving s ituation @, the signal light
briefly flashes repeatedly. Side assist is alerting you of a vehicle that
you may not have noticed.
[ i ] Tips
• T he faste r a vehicle approaches from the rear, the sooner the
signal on the outs ide mirror lights up. S ide assist will signal, at the
latest, when a detected vehicle enters your "blind spot".
• When vehicles approach very quickly, changing lanes can be
dangerous even if the signal on the outside mirror does not light up.•
App lies to vehicles : wit h si de assist
Driving situat ion : Vehicles dropping back
slowly
Fig. 138 Side assist: Vehicles dropping back slowly
© Signal on outside mirror does not light up
The vehicle that you passed has not yet been detected by side assist.
The signal on the outside mirror does not light up=>
& in "Safety
tips" on
page 145.
@ Informational stage signal lights up
A vehicle dropping back slowly on the right (differen ce in speed of
less than 9 mph, or 15 km/h) has been detected by side assist. The
informational stage signal on the outside mirror lights up.
@ Alert stage signal flashes
If you activate your turn signa l in driving situa tion @, the signal
br iefly flashes repeatedly . Side ass ist is alerting you of a vehicle that
you may not have noticed. •

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A pplie s to ve hicles : wi th s id e ass ist
Driving situation: Vehicles dropping back
quickly
@
I
- (OIDJ -
•. _ ...
' I
- Q•n
-~---
Fig. 139 Side assist: Vehicles dropping back quickly
(D Signal on outside mirror does not light up
The vehicle just passed has not yet been detected by side assist. The
signal on the outside mirror does not light up~
& in "Safety tips" on
page 145.
@ Signal on outside mirror does not light up
The vehicle dropping back quickly on the right (difference in speed of
more than 9 mph, or 15 km/h) has been detected by side assist, but
is not considered notable in the event of a lane change, because it is
dropping back so quickly . The signal on the outside mirror does not
light up~
& in "Safety tips" on page 145.
Con tro ls a nd e quip ­
m en t Vehicle
OP-eration
® Signal on outside mirror does not light up
If you activate your turn signal in driving situation @, the signal still
does not light up on the outside mirror~
& in "Safety tips" on
page 145. •
App lies to ve hicles : with side assis t
Setting the signal brightness on the
outside mirror
The signal brightness con be set in the radio or MM!*.
- Select: Function button [CAR ]> Audi side assist -lamp.
- Rotate the control knob to adjust the displayed brightness
of the signal light on the outside mirrors.
The brightness of the signal light for both the informational and alert
stages is automatically adjusted to ambient light conditions. In addi­
tion, you can adjust the
basic brightness separately, via the bright­
ness funct ion.
While making the adjustment, the new brightness setting is displayed briefly. The brightness displayed is that of the informa­
tional stage signal. The alert stage signal brightness is linked to the
informational stage signal brightness.
The informat ional stage signal brightness should be adjusted so that
you notice the signal illumination when you look in the outside
mirror, but not when you look forward through the windshield.
In very dark or light surroundings, the automatic brightness setting
adjusts signal light brightness to maximum or minimum intensity , as
needed. In circumstances such as these, you may not notice any
change in the brightness on the outside mirror when adjusting the
basic brightness.
You may not notice the change until lighting conditions are normal
again.
Vehicle care Do-it-yourselt service iTechnical data

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(I) Tips
• Side assist is not act ive when the basic br ightness is adj usted. The
signal light comes on briefly to he lp you make the adjustment .
• Your settings are automatically stored and assigned to the remote
cont rol key being used .•
A ppli es to vehic les : w ith si de assist
General information
Side assist has limits and cannot detect vehicles under all road and
weathe r conditions . Please remember system limitat ions and never
re ly on t he system, espec ially w hen:
• driving t hrough curves =>
page 144,
• lanes a re of differe nt widths => page 144. •
Ap plies to veh icles : w it h side ass ist
When driving through curves
Side assist cannot detect vehicles in curves with a turning radius of
less than 3 28 feet (1 00 m).
When driving through a cu rve, it is possible that side assist may
reg iste r a vehi cle two l anes over, and the sign al on the o utside m irro r
wi ll li ght up .•
A pp lies to vehicles : wi th si de assist
Lane width
Fig. 14 0 La n es of a
norma l width are in
det ection ar ea
Fig . 141 N arrow
l a n es : Si de assis t may
dete ct ve h icl es tw o
lane s away
Side assist 's detection area is designed to cover lanes of standard
w idt h to the left and r ight of your travel lane, depend ing on whether
you drive in the center of your lane or closer to the edge.
If you dr ive in narrow lanes, s ide ass is t's detec tion area may also
include other la nes -especially if you tend to drive on the edge of your
lane => fig. 141. Unde r th ese condi tions, ve hicl es can a lso be
detected t hat are two lanes away, and s ide assist the n could switc h
between the info rmationa l and warning stage signals.
When drivi ng i n very w ide la n es, vehicles in the adjacent lane may not
be detected because they are not inside the detection a rea .•

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Notes
Applies to veh icles: w ith s ide ass ist
Messages in instrument cluster display
If side assist turns off automatically, the indicator lig ht on the butto n
w ill go out and yo u w ill see a message in the instrument cl uster
display:
Audi side assist not available: sensors blocked
Th e side ass ist senso rs a re b uilt in to the rear bum per o n the left and
r ight (not v is ible on the outside)=>
page 138, fig. 132. To e nsure
that you do not adve rsely affect the way side assist f unctions, foreign
objec ts (such as stic ke rs or b icycle racks) should not be attached to
the a rea on the rear bumper where t he sensors are located. If side
as sis t fu nctions a re adverse ly affe cted , you will see thi s me ssa ge in
the instrume nt cl uster disp lay. Remove anything that may b e
bl ockin g the sensor s.
If no ve hicle is detected for a lo nger p eriod of t ime w hile driving, side
assist w ill also switch off automatically .
Audi side assist currently not available
If the re is a te mp orary p rob lem (such as the vehicle 's batt ery ch arg e
bei ng low) , side assist ca nnot be act ivated temporar ily.
Audi side assist : system fault
Have the system checked by an auth orized Audi dealer or qualified
wo rkshop .•
Applies to veh icles: w ith s ide ass is t
Safety tips
T he side assist detect io n may be limited when driving a ro u nd na rrow
s tr ee t co rner s, on hilly stree ts, and und er poor we ather cond itio n s.
Controls and equip ­
ment Safety first
It
is possible that the rada r senso rs may a lso detect o ther objects,
such a s high or stag gere d guar drails.
S ide assis t does not measure actua l lane w idth. The system assum es
a fi xed la ne w idt h. Detection in the left and right lanes is based on
t hi s a ssumed lane w id th. Wh en driving o n narrow ro ads or w he n
dr iv ing to the left or rig ht of the center of a travel lane, it is poss ible
t h at vehicles will be de tected tha t a re
no t in th e lan e nex t to th e l an e
you are using.
& WARNING
• Improper reliance on the side assist system can cause collisions
and serious personal injury:
-Never rely only on side assist when changing lanes .
- Always check rear view mirrors to make sure that it is safe to
change lanes.
• Side assist cannot detect all vehicles under all conditions­
danger of accident!
• Side assist cannot detect vehicles in time to alert you when
they approach from behind at very high speed , or fall drop back
very quickly .
• The radar sensor's
vision can be reduced or entirely blocked by
rain, snow, and heavy spray. This can result in side assist not
adequately detecting vehicles or, in some cases , not detecting
them at all. Always keep an eye on the direction you are traveling and the relevant area around the vehicle .
• Please note that side ass ist indicates there are approaching
vehicles, or vehicles in your blind spot, only after your vehicle has reached a driving speed of at least 19 mph (30 km/h).
• Side assist signal does not work around tight corners (turning
radius less than 328 feet, or 100 m ).
• Side assist is no replacement for the driver's full attention . The
driver alone is responsible for lane changes and similar driving
maneuvers. Always keep an eye on the direction you are traveling
and the relevant area around the vehicle. .,,
Vehicle care Technical data