brakes AUDI RS5 CABRIOLET 2015 Owners Manual

16 Instruments and warning/indicator lights
authorized Audi dealer or qualified work­
shop and have the brake system
inspected.
- Always keep in mind that after several
brake applications, you will need greater
pressure on the brake pedal to stop your
vehicle . Do not rely on stra ined brakes to
respond w ith maximum stopping power
in critical situations. You must a llow for
increased bra king distances. The extra
distance used up by fading brakes could
lead to an acc ident.
::.'!!JC®) Electromechan ical parking brake
The warning/indicator light monitors the
electromechanical parking brake.
If the indicator light. (USA models)/ .
(Canada models) turns on, the park ing brake
was set.
The warning/ind icator light will go out when
the park ing brake is released.
• (USA models) ;a (Canada models) Cau·
tion : Vehicle parked too steep
If the indicator light blinks and the message
appears, there is not enough braking power to
keep the vehicle from rolling. The brakes have
overheated. The vehicle could roll away even
on a small incli ne.
Press brake pedal to release parking brake
To release the parking brake, press the brake
pedal and press the button®> or start driving
with start ing ass ist at the same time
c:> page 79.
Please release parking brake
To release the parking brake manually, press
the brake peda l and press the button®) at
the same time. The parking brake only releas­
es automatically if the driver's safety belt is
fastened.
Ill Parking brake!
If the Ill indicator light turns on and this
message appears, there is a parking brake
malfunction. Drive to your authorized Aud i dealer or qualified workshop immediately to
have the malfunction corrected.
,(f. Safety belts
This
warning/indicator light reminds you to
put on your safety belt.
T he . warn ing/ indicator light i llum inates
when the ignition is switched on to remind
the driver and (on USA models on ly) any front
passenger to put on the safety be lt. Addition­
ally, an acoustic warning (gong) will also
sound.
For more Information
c:> page 123, Safety
belt warning light.
· 0 Battery
The . warning/indicator light illuminates
when you switch on the ignition and must go
out after the eng ine has started.
• Alternator fault: Battery is not being
charged
If the indicator light turns on and the mes­
sage appears, there is a malfunction in the
generator or vehicle electrical system .
Drive to your authorized Audi dealer or quali­
fied workshop immediate ly . Because the veh i­
cle battery is discharging, turn off all unnec­
essary electrical equipment such as the radio.
Seek professiona l assistance if the battery
charge level is too low .
(•] Low battery : Battery will be charged
while driving
If the indicator light turns on and the mes­
sage appears, there may be limited sta rting
ability.
If this message turns off after a little while,
the battery charged enough while driving.
If the message does not turn off, have your
authorized Aud i dealer or qualified workshop
correct the malfunction.

18 Instruments and warning/indicator lights
Do not continue driving if the . symbo l
illuminates. There is a malfunct ion in the
engine cooling system -you co uld damage
your eng ine .
@-Steering column lock
• Steering defective! Do not drive vehicle!
If the indicator light turns on and the mes­
sage appears, there is an electronic steer ing
column lock malfunction . You ca nnot switch
the ign ition on .
Do
not tow your vehicle because it cannot be
steered. Seek professional assistance.
1!11 Steering lock: Contact dealer!
If the indicator light turns on and t he mes­
sage appears, there is an elect ronic steer ing
column lock ma lfunction.
Drive to your authorized Aud i dea ler immedi­
ately to have the malfunction corrected.
A WARNING
-
Your vehicle must not be towed in the
event of a malfunction in the electronic
steering column lock because it cannot be
steered due to the locked steering.
If it is
towed with the steering locked, there is
the risk of an accident.
©-Ignition lock
• Ignition lock defective. Contact dealer!
If the indicator light turns on and the mes ­
sage appears, do
not switch the ignition off
because you may not be able to switch it on
again.
Drive to your authorized Audi dealer immedi­
ately to have the malfunction corrected.
On vehicles with convenience key *, the engine
should not be switched
off using the
I START ENGINE STOP ! button because the en­
g ine cannot be started again after the ignition
has been switched
off.
(D Tips
The symbol's appearance might be differ­ ent in some mode ls.
!;.! ~ Electronic Stabilization Control
(ESC)
If the DJ ind icator light blinks while driving,
the ESC or ASR (Anti-Slip Regulation) is active­
ly regulat ing.
If the
DJ ind icator light turns on, the system
has switched the ESC
off. In th is case, you can
switch the ign ition
off and then on to switch
the ESC on aga in. The ind icator light turns
off
when the system is fu nctioning fu lly.
If the
II ind icator light turns on, ESC was re­
stricted or switched
off using the I.a OFFI but­
ton
Q page 171 .
Stabilization control (ESC/ABS): Fault! See
owner's manual
If the indicator light DJ and the ABS indicator
light~ (USA models)
;t!J (Canada models)
turn on and the message appears, the ABS or
electron ic differe ntial lock is malfunctioning.
T his also causes the ESC to malfunction. The
brakes still function with their normal power,
but ABS is not active .
Drive to your author ized Audi dealer immed i­
ately to have the malfunction corrected .
For more information about the ESC
Q page 171.
A WARNING
--If the 1111 (USA models)/ . (Canada
models) brake system indicator light turns
on together with the ABS and ESC indic a­
tor lights, the ABS/ES( regulat ing function
may have failed. Functions that s tabilize
the vehicle are no longer available. This
could cause the vehicle to swerve and in­
crease the risk of sliding. Drive carefully to
the nearest authorized Audi dealer and
have the ma lfunction corrected.
~

20 Instruments and warning /indicator lights
illuminates while you are driving, or if it starts
to blink, then there is a malfunction some­
where in the system . If the light does not illu­
minate when you switch the ignition on, this
also means there is a malfunction.
A WARNING
If you have a malfunction in the safety sys­
tems, contact your author ized Audi dealer
immediate ly . Otherw ise the safety sys­
tems may not work properly in an acci­
dent.
( 0) Worn brake pads
[iJ Brake pads!
If the warn ing l ight illuminates, immediately
contact your authorized Audi dealer or quali­
fied workshop to have all bra ke pads inspect­
ed. On USA models the warning light
[iJ
comes on together with the warning light
1111. Both sets of brake pads on an axle
must always be replaced at the same time .
A WARNING
Driving with bad brakes can cause a colli­
sion and serious personal injury .
- If the warning light
[iJ and the warning
light
11111 ) with the message Brake
pads!
comes on in the instrument cluster
display, immediately contact your au­
thorized Aud i dealer or qualified work­
shop to have all brake pads checked or
replaced if necessary.
EPC Electronic power control
This warning/indicator light monitors the
electronic power control .
The 13:a warning/indicator light (Electronic
Power Control) illuminates when you switch
the ign ition on as a function check.
l) - : USA mod els onl y
-
(D Tips
If this warning/indicator light illuminates
while you are driving, then there is a mal­
function in the engine electronics. Have
the malfunct ion corrected as soon as pos­
s ible by your authorized Audi dealer or a
qualified repair facility .
o Malfunction Indicator Lamp (MIL)
The Ma lfunction Indicator Lamp (MIL) is part
of the On-Board Diagnostic (OBD II) system.
T he symbo l¢• lights up when the ignition is
switched on and will turn off after the engine
has started and has settled at a constant idle
speed. This indicates that the MIL is working
proper ly.
T he warning light illuminates when the re is a
malfunction in the engine electronic system.
Contact your a uthorized Audi dea ler and have
the malfunction corrected.
An improperly closed fuel filler cap may a lso
cause the MIL light to ill uminate ~ page 192.
For more information <=? page 28.
!7 Engine speed limitation
App lies to vehicles: wi th engine speed l imitatio n
111 Do not exceed max. engine speed of
XX.XX rpm
The eng ine speed is automatically limited to
the speed displayed in the driver information
system. This protects the engine from over ­
heating.
T he eng ine speed limitation deactivates once
the engine is no longer in the critical tempera­
ture range and you have re leased the accelera­
tor pedal once.
If the engine speed limitation was activated
by an engine control malfunction, the indica-
tor light
13:a also turns on. Make sure that the
speed does not go above the speed displayed. "'"

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.. To install the insert , press it down into the
mount.
A WARNING
Never put waste paper in the ashtray. Hot
ashes or other hot objects in the ashtray
could set waste paper on fire.
Cigarette Lighter
Fig. 75 Fron t ce n ter conso le: cigarett e lig hter
.. Press the cigarette lighter in .
.. Remove the cigarette l ighter when it pops
out.
The c igarette lighter shou ld only be used as a
power source for the tire repair kit when abso­
l utely necessary.
A WARNING
The cigarette lighter only works when the
ign ition is switched on . Incorrect usage
can lead to serious injuries or burns. For
this reason, children should never be left
unattended in the vehicle because this in­
creases the risk of injury.
Storage
General overview
A WARNING
- Always remove objects from the instru­
ment panel. Any items not put away
could slide around inside the vehicle
wh ile driving or when accelerating or
when applying the brakes or when driv­
ing around a corner.
Seats and storage 65
-When you are driving make sure that
anyth ing you may have placed in the cen­
ter console or other storage locations
cannot fall out into the footwells . In case
of sudden braking you would not be able
to brake or accelerate .
Cupholder
Fig. 76 Center console: fro nt cupho lde r
Fig. 77 (up holder* in the rea r
Front beverage holders
.. You can accommodate two beverages in this
storage
Q fig. 76.
A maximum of two beverages can be placed in
the rear beverage holders*.
A WARNING
Spilled hot liquid can cause an accident
and personal injury.
- Never carry any beverage containers with
hot liquids, such as hot coffee or hot tea,
in the vehicle while it is moving. In case
of an accident, sudden braking or other
veh icle movement, hot liquid could spill,
causing scalding burns. Spilled hot liquid
can also cause an acc ident and personal
injury.

78 On the road
This message appears if the master key is re­
moved from the vehicle with the engine run ­
n ing.
If the master key is no longer in the ve ­
h icle, you cannot switch on the ignition after
stopping the engine and you also cannot start
the eng ine again . Moreover, you can not lock
the veh icle from the outside w ith the key.
Shift to P otherwise vehicle can roll away .
Doors do not lock if lever is not in
P.
This message appears for safety reasons
a long w ith a warning signa l. It appears if the
selector lever for the automat ic transm iss ion
is not in the P position when sw itch ing off the
ignition . Move the selector lever to the P pos i­
tion, othe rwise the ve hicle is not secured
against rolling away . You also cannot lock the
vehi cle using the locking bu tton* on the door
han dle or using the remote key.
Convenience key defective! Use ignition lock
This message appears if the eng ine must be
started or stopped using the ignition key and
not the
I STAR T ENGIN E ST OP ! button .
Electromechanical
parking brake
Operation
The electromechanical parking brake replaces
the hand brake.
F ig. 92 Cen te r console: Parking brake
.., Pull on the switch @ c.> fig. 92 to apply the
parking brake. The indicator lights in the
switch and. (USA models)/. (Cana-
da models) in the instrument cluste r ill umi­
nate. ..,
With the ignition switched on, step on the
brake peda l or the accelerator pedal and
press the switch @ at the same time to re ­
lease the parking brake . The indicator lights
in the switch and. (USA mode ls)/ . (Can­
ada models) in the instrument cluster go
out.
Your vehicle is equipped with an electrome­ chanical parking brake. The parking brake is
designed to prevent the veh icle from rolling
u nintentionally and replaces the hand brake.
In add ition to the normal functions of a tradi­
t ional hand brake, the electromechanical
parking brake provides various convenience
and safe ty funct ions .
When starting from rest
-The integral start ing ass ist helps you when
driving by automatically releasing the park­
ing brake
c> page 79, Starting from rest .
- When start ing o n inclines, the starting as­
sist prevents the vehicle from unintentional­
ly rolling back. The braking force of the
pa rking brake is not released until suffic ient
driving force has been bui lt up at the
wheels.
Emergency brake function
An emergency brake ensures that the veh icle
can be slowed down even i f the normal brakes
fail ¢ page 79, Emergency braking.
A WARNING
If a drive rang e is engaged with the vehicle
stationary and the engine running, yo u
must in no instance accelerate carelessly.
Otherwise the vehi cle wi ll start to move
immediately -risk of an accident.
(0 Tips
-If the parking brake is applied with the
ign ition switched off, the ind icator lights
in the switch and - (USA models) .
(Canada mode ls) in the instrument clus­
ter will go out after a certain period of
time.

82 On the road
-For reasons of safety, cruise contro l
should not be used in the city, in stop­
and-go traff ic, on twisting roads and
when road conditions are poor (such as
ice, fog, gravel, heavy rain and hydro­
planing) - risk of accident .
- Turn off the cruise control temporar ily
when ente ring turn lanes, highway exit
lanes or in construction zones.
- Please note that inadvertently "rest ing"
yo ur foot on the accelerator peda l causes
the cruise control not to brake. This is
because the cr uise con trol is overridden
by the d river 's acce lerat ion.
- If a bra ke system malfunction such as
overheat ing occurs when the cru ise con­
tro l system is sw itched on, the braking
function in the system may be switched
off. The othe r cruise control f unctions re­
ma in active as long as the indicator light
@;rn~i~ (US models) !lB (Canadian mod­
els) is on.
The brake lights illuminate as soon as the brakes apply automatically.
Changing speed
.,. To increase/decrease the speed in incre­
me nts, tap the lever in the
0 10 d irection
q page 81, fig . 94 .
.,. To increase/decrease the speed qu ickly, hold
the leve r in the
010 direction unti l the de­
s ired speed is d isplayed.
You can also press the accelerator pedal down
to increase your speed, e.g. if you want to
pass someone. The speed yo u saved earl ier
will resume as soon as you let off of the accel ­
erator pedal.
I f, however, you exceed your saved speed by
6 mph ( 10 km/h) for longe r than 5 m in utes,
the cruise cont ro l w ill be turned off tempo ra­
rily. The green symbol in the display turns
white. The saved speed remains the same.
Presetting your speed
You can preset your desired speed while the
vehicle is not moving .
.,. Switch on the ign ition.
.,. Pull lever into position
(D q page 81,
fig . 94 .
.,. Press the lever in the 0 or 0 direction to
increase or decrease your speed .
.,. Release the lever to save that speed .
This function makes it poss ible, for example,
to save the speed you want before dr iving on
the h ighway. Once on the h ighway, act ivate
the cr uise control by pulling the lever toward
(D .
Switching off
Temporary d eacti vat ion
.,. Press the b rake pedal , or
.,. Press the lever into position @(not clicked
into place)
q page 81, fig. 94, or
.,. Dr ive for longer than 5 m inutes at more
than 6 mph (10 km/h) above the stored speed.
S w itching off complete ly
.,. Press lever into position @(clicked into
p lace), or
.,. Switch the ignit ion off.
The speed you saved will be retained if the cruise control has been switched off tempora ­
rily . To resume the saved speed, let up on the
brake and pull the lever to posit ion
(D .
Switching the ignition off erases the saved
speed.
A WARNING "'---
You shou ld only return to the saved speed
if it is not too fast for the current traffic
conditions - r isk of an accident!

M N
er
u..
co ,...., \!) 1.1"1 ,...., 1.1"1 ,....,
Transmission S tronic
Introduction
The automat ic transm iss ion is controlled elec­
tronically. The transmiss ion upshifts or down­
shifts automatically depend ing on which drive
p rogram is se lected.
When a
moderate driving sty le is used, the
transmission selects the most econom ica l
d riving mode.
It w ill then change up early and
de lay the downshifts to g ive better f uel econ ­
omy .
The transmis sion swi tches to a sporty mode
after a k ick-down or when the dr iver uses a
sporty driving sty le characterized by quick ac­
celerator peda l movements, heavy accelera­
tion, frequent changes in speed and traveling
at the maximum speed.
If desired, the drive r can a lso se lect the gears
manually ( tiptronic mode ) ~ page 87.
The S tronic is a dual-clut ch tra nsmission.
P ower is transfe rred using two clutches that
work independently from one another . They
rep lace the torq ue converter used in conven­
tional automatic transmiss ions and allow the
vehicle to accelerate without a noticeable in­
terruption in traction.
Selector lever positions
F ig. 96 Display in the instrument cluster: se lector lever
in pos itio n P
The selector lever position engaged appears
n ext to the selector leve r as well as in the in­
strument cluster display.
Tran sm iss ion 83
P -Park
In this se lector lever posi tion the transm is­
s ion is mechanica lly locked. Engage P on ly
when the vehicle is
completely stopped~&.
in Driving the automatic transmission on
page 85.
T o shift in or out of pos it ion P, yo u must first
press and ho ld the brake pedal and then press
the re lease button in the selector leve r hand le
whi le moving the selector lever to or from P.
You can shift out of this position only with the ignition o n.
R - Reverse
Se lect R on ly when the veh icle is at a full stop
and t he engine is running at idle speed~.&. in
Driving the automatic transmission on
page 85.
Before you move the se lector lever to R, press
both the re lease button in the hand le o f the
selector lever
and the brake pedal at the same
time.
When the ignition is on, the backup lights illu­
minate when the selector lever is moved into
R.
N -Neutral
The transmiss ion is in neu tral in this pos ition .
S hift to t his position fo r standing with the
brakes app lied
~ .&. in Driving the automatic
transmission on page 85.
When the vehicle is stat iona ry or a t speeds
below 1 mph (2 km/h), yo u must always app ly
the footbrake before and whi le mov ing the
l ever o ut of
N.
DIS -Normal posit ion for driving forward
In the D/S pos it ion, t he tr ansmission c an be
operated either in the norma l mode D or in
the sport mode S . To select the sport mode S,
pull the selector lever back briefly. P ulling the
l ever back again will se lect the norma l mode
D. The instr ument cluster disp lay shows the
selected driving mode. ..,_

86 Transmission
-Unintended vehicle movement can cause
serious injury .
- Never leave your vehicle with the engine
running while in gear. If you must leave
your vehicle when the engine is running,
activate the parking brake and move the
selector lever to P .
- Power is still transmitted to the wheels
when the engine is running at idle. To
prevent the vehicle from "creeping", you
must keep your foot on the brake when
the engine is running and the selector
lever is in D/S or R or "tiptronic" mode is
selected.
- Do not press the accelerator pedal when
changing the selector lever position
while the vehicle is stationary and the
engine is running.
- Never shift into
R or P while driving.
- Before driving down a steep slope, re-
duce your speed and shift into a lower
gear with "tiptronic".
- Do not ride the brakes or press the brake
pedal too often or too long when driving
down a hill. Constant braking causes the
brakes to overheat and substantially re­
duces braking performance, increases
braking distance or causes complete fail­
ure of the brake system.
- To prevent the vehicle from rolling back
when stopping on inclines, always hold it
in place with the brake pedal or parking
brake .
- Never hold the vehicle on an incline with
a slipping clutch . The clutch opens auto­
matically when it becomes too hot from
the overload . An indicator lamp
l'§J illu­
minates and a driver message appears
Q page 88 when the clutch is overload­
ed.
- If the engine must remain running, never
have any driving position engaged when
checking under the hood. Make sure the
selector lever has securely engaged and
is locked in P with the parking brake set
Q page 195. Otherwise, any increase in
engine speed may set the vehicle in mo- tion
, even with the parking brake ap­
plied.
@ Note
- When stopping on an incline, do not try
to hold the vehicle in place by pressing
the accelerator pedal while a driving gear is selected. This can cause the transmis­
sion to overheat and can damage it. Acti­
vate the parking brake or press the brake
pedal to prevent the vehicle from rolling .
- Allowing the vehicle to roll when the en­
gine is stopped and the selector lever is
in N will damage the transmission be­
cause it is not lubricated under those cir­
cumstances.
(D Tips
For safety reasons, the parking brake is re­
leased automatically only when the driv­
er's safety belt is engaged in the buckle.
Hill descent control
The hill descent control system assists the
driver when driving down declines.
Hill descent control is activated when these ­
lector lever is in D/S and you press the brake
pedal. The transmission automatically selects
a gear that is suitable for the incline. Hill de ­
scent control tries to maintain the speed ach­
ieved at the time of braking, within physical
and technical limitations. It may st ill be nec­
essary to adjust the speed with the brakes.
Hill descent control switches off once the de­
cline levels out or you press the accelerator
pedal.
On vehicles with the cruise control system*
Q page 81 , hill descent control is also activat­
ed when the speed is set.
A WARNING -
Hill descent control cannot overcome
physical limitations, so it may not be able
to maintain a constant speed under all

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conditions. Always be ready to apply the
brakes.
Manual shift program
Using the manual shift program you can
manually select gears.
Fig. 99 Ce nter console: shift ing t he gea rs manually
Fig. 100 Stee ring wheel: shift paddles
Gear selection with selector lever
The tiptronic mode can be selected either with
the vehicle stationary or on the move.
.. Push the selector lever to the right from 0/
5. An M appears in the instrument cluster
display as soon as the transmission has
shifted.
.. To upshift, push the selector lever forward
to the plus position
0 c:> fig. 99 .
.. To downshift, push the lever to the minus
pos ition
0 -
Gear selection with shift paddles*
The shift paddles are activated when these­
lector lever is in 0/5 or the t iptron ic manual
shift program.
.. To upshift, touch the shift paddle on the
right
0 c:> fig. 100. Transmission 87
.. To downshift, touch the shift paddle on the
left
0 .
.. If you do not press a sh ift paddle within a
short time while in the 0/5 position, the
transmission will return to automatic mode.
To keep shifting using the shift paddles,
move the selector lever to the r ight out of
the 0/5 position .
When accelerating, the transmission does
not
automatically shift to the next gear shortly
before the max imum pe rm itted engine RPM is
reached.
If you have selected a lower gear than the cur­
rent one, the automatic transmission will shift
down only when the engine w ill not be over­
revved.
With kick-down , the transm ission shifts into a
lower gear depend ing on speed and engine
RPM .
(D Tips
Tiptronic is inoperat ive when the transmis­
sion is in the fail-safe mode .
, Kick-down
Kick-down enables maximum acceleration.
When you depress the accelerator peda l be­
yond the resistance point, the automatic
transmission downshifts into a lower gear, de­
pending on vehicle speed and eng ine speed .
The upshift into the next higher gear takes
place once the max imum specified engine
speed is reached .
.&_ WARNING
Please note that the whee ls can spin if
kick-down is used on a smooth slippery
road -there is a risk of skidding.
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Audi adapt ive crui se c ontrol an d bra kin g guard 91
confirmed by the video camera, an acute
collision warning.
- 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 conditions cou ld result in a co lli­
sion.
- Switch adaptive cruise control off tempo­ rar ily when driving in turning lanes, on
expressway exits or in cons truction
zones. This prevents the vehicle from ac­ celerating to the set speed when in these
situations.
- The adaptive cr uise control system wi ll
not brake by itse lf if you p ut your foot on
the accelerator pedal. Doing so can over­
ride the speed and distance regulation .
- When approaching stationary objects
such as stopped traff ic, adaptive cruise
control will not respond and braking
guard w ill have limited function.
- The adaptive cruise control system and
braking guard do not react to people, an­
ima ls, objects crossing the road or on­
coming objects.
- The function of the radar sensor can be
affected by reflective objects such as
guard rails, the entrance to a tunnel,
heavy rain or ice.
- Never follow a ve hicle so closely that you
cannot stop your vehicle safely. The
adaptive cruise cont ro l cannot slow or
brake the veh icle safely when you follow
ano ther veh icle too closely. Alway s re­
member that the automatic braking
function cannot bring the vehicle to a sudden or emergency stop under these
condit ions.
- To prevent unintended operation, always
switch ACC off when it is not being used.
(D Note
The sensor can be disp laced by impacts or
damage to the bumper, whee l housing and
underbody . That could affect the adaptive cruise control
system and braking g uard.
Have your authorized Audi dea ler or au­
thorized Audi Service Facility chec k their
funct ion.
In curves
App lies to vehicles: with A ud i ada ptive c ruise contro l
F ig . 1 04 Examp le : driv ing into a curve
When driving into a curve ¢ fig. 104 and out
of a curve, the adaptive cru ise contro l may re­
act to a vehicle in the next lane and app ly the
brakes. You can override or prevent the brak ­
ing by pressing the accelerator pedal briefly.
Stationary objects
Applies to vehicles: wit h Audi adapt ive cr uise contro l
F ig . 1 05 Examp le: objec t chang ing la n es and stat ion­
a ry object
The adaptive cruise control system only reacts
to objects that a re mov ing or that the system
has a lready detected as moving . For examp le,
if a ve hicl e@ , which has already been detec t­
ed by the adaptive cru ise con trol , turns or
changes lanes and another stationa ry vehicle
@ is located in front of that vehicle, the sys­
tem will not react to the stationary vehicle.