2011 AUDI A5 CABRIOLET lock

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& WARNING (co ntinued )
• Never remo ve the ignition key from the ignition look while the
vehicle is moving. Otherwi se, the steering lock could suddenly
engage and you would not be able to steer the vehicle.
0 Note
• In the event of a malfunction in the electronic ignit ion lock a
symbo l in th e instr umen t cluster flashes with the message
Ignition
lock defective .
• Avoid h igh eng ine speeds, fast acce lerat ion or heavy eng ine loads
whi le the engine is still co ld. This cou ld damage the engine .
<£> For the sake of the environment
To avoid unnecessary engine wear and to reduce exhaust emiss ions,
do not let your vehicle s tand and w arm up. Be re ady to dr ive off i mme­
diately after starting your ve hicle. Mai ntain mode rate speed until the
eng ine is complete ly w arm . R emembe r, the eng ine per forms best at
operat ing temperature.
[I) Tips
• If the key ca nnot be removed from the ignition lock , yo u have to
pull the mec hanica l key o ut o f the maste r key in o rde r to be able to
lock the ve hicle Th e veh icle can be locked with the mec han ical key
=> page 40.
• If you open the driver's door with the ig nit io n switched on, a
buzze r soun ds and the message
Ignition is on appea rs in the instru ­
ment cl uster d is p lay . Switch t he ig nitio n off .•
Stopping the engine
- Bring the vehic le to a fu ll s top.
Controls and equip ­
ment Safety first
M
ove the select or lever to the P or N po sit ion .
- Press on t he igni tion key. The engi ne is tu rned of f.
Emergency off
If it is necessary in unusual circ umstances, the engine can be
switched off while the vehicle is mov ing . The eng ine will be switched
off if you press on the key for an extended period.
& WARNING
• Never turn off the engine until the vehicle has come to a
complete stop .
• The brake booster and servotronic only work when the engine
is running . With the ignition turned off, you ha ve to apply more
force when steering or braking. Since you cannot steer and stop
normally, this can lead to accident s and serious injuries.
• The radiator fan can continue to run for up to 10 minute s even
after you have turned of f the engine and removed the ignition key.
The radiator fan can also turn on a gain if the engine coolant heats
up becau se of intense sunlight or heat build-up in the engine
compartment.
0 Note
Do not stop the engine immediately after har d or extended dr iving.
Keep the eng ine runni ng fo r approx imately two m in utes to p revent
excessive heat b uild -up. •
Vehicle care Technical data

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Starting and stopping the engine
with convenience key
A pplies to veh ic le s: with conven ience ke y
Starting the engine with the
[START ENGINE S TOP] button
This button switches on the ignition and starts the
engine.
Fig. 110 Convenience
key: START ENGINE
STOP
button
- Step on the brake pedal and move the selector lever to P
orN =>& .
- Pressonthe[START ENGINE STOP)button::::>fig. 110-
the engine will start.
By pressing the [STAR T ENGINE STOP] button without depressing
the clutch or the brake peal, the ignition is switched on and switched
off by pressing it again.
If the engine does not start immediately, stop trying after 10 seconds
and then try to restart the engine about 30 seconds later.
After a cold engine is started, there may be a brief period of increased
noise because oil pressure must first build up in the hydraulic valve
adjusters. This is normal and not a cause for concern.
Driver message in the instrument cluster display
No key identified
This message appears when the !START ENGINE STOP] button is
pressed if there is no master key inside the vehicle or if the system
does not recognize it. For example, the master key cannot be recog­
nized if it is covered by an object (e.g. aluminum brief case) which
screens the radio signal. Electronic devices such as cell phones can
also interfere with the radio signal.
Press brake pedal to start engine
This message appears if you press the !START ENGINE STOP)
button to start the engine and do not depress the brake pedal. The
engine can only be started if the brake pedal is depressed.
Engage N or P to start engine
This message appears when attempting to start the engine if the
selector lever for the automatic transmission is not in the P or N posi­
tion. The engine can only be started with the selector in these posi­
tions.
Key not in vehicle
This message appears along with the.:! symbol if the master key is
removed from the vehicle with the engine running. It is intended to
remind you (e.g. when changing drivers) not to continue the journey
without the master key.
If the master key is no longer in the vehicle, you cannot switch on the
ignition after stopping the engine and you also cannot start the
engine again. Moreover, you cannot lock the vehicle from the outside
with 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 along with a warning signal.
It appears if the selector lever for the automatic transmission is not
in the P position when switching off the ignition with the
!START ENGINE STOP] button. Move the selector lever to the P _..

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position, otherwise the vehicle is not secured aga inst rolling away.
Y ou also ca n not lock t he vehi cle using th e locking button on the door
hand le or us ing the remote key .
Convenience key defe ctive ! Use ignition lock
T hi s message appears if t he veh icle has to be sta rted not w ith the
! STAR T EN GINE STO PJ bu tton bu t with the ig nition key.
& WARNING
• Never allow the engine to run in confined spaces -danger of
asphyxiation.
• Never turn off the engine until the vehicle has come to a
complete stop.
• The brake booster and servotronic only work when the engine
is running . With the ignition turned off , you have to apply more
force when steering or braking. Since you cannot steer and stop normally, this can lead to accidents and serious injuries.
0 Note
• Avoid high engine rpm, full throttle and heavy engine loa ds until
t he e ngi ne h as r eache d op erat ing temperat ure -oth erwi se you ri sk
eng ine damage.
• Th e en gine ca nnot be sta rted by p us hi ng or tow ing t he veh icle.
• If the eng ine has bee n un der h eavy load for a n ex tended per iod,
heat b uilds up i n the engin e compartmen t after the engine is
switched off- there is a risk o f damag ing the engine. Allow the engine
t o r un at idle for abou t 2 min utes before sw itc hing it off.
[I) Tips
If y ou open t he dr iver 's door wi th th e ig nit io n sw itche d on, a bu zzer
so unds and the message
Ignition is on appears in the instrument
clu ster displa y. Swi tch t he ig nition o ff.•
Controls and equip ­
ment Safety first
App
lies to vehicles : w ith con venience key
Sw itching engine off with the
[ START ENGINE S TOP] button
- Bring yo ur ve hic le to a co mplete sto p.
- Aut omat ic tra nsmissi on*: Mo ve the select or l eve r to the P
o r N posit ion.
- Press the !ST ART EN GI NE STO P] but to n => page 108,
fig . 110 .
Emergency OFF function
If necessary, the eng ine ca n be switched off with the se lecto r lever in
t he R, Dor S* po sitio ns. To d o so, step o n the b rake pedal and pr ess
and ho ld the
! ST ART ENGINE STOPJ button (vehicle speed must be
les s than 6 mph / 10 km /h.
& WARNING
• Never turn off the engine until the vehicle has come to a
complete stop.
• The brake booster and servotronic only work when the engine
is running . With the ignition turned off , you have to apply more
force when steering or braking. Since you cannot steer and stop normally , this can lead to accidents and serious injuries .
• For safety reasons, you should always park your vehicle with
the selector lever in P . Otherwise, the vehicle could inadvertently
roll away .
• After the engine has been switched off , the radiator fan can
continue to run for up to 10 minutes -even with the ignition
switched off. It can also switch on again after some time if the
coolant temperature rises as the result of a heat buildup or if the
engine is hot and the engine compartment is additionally heated
by the sun's rays.
~
Vehicle care Technical data

On the road -
----------------
more detail. If the driver message Parking brake! appears, there is an
operat ing malfunction in the parking brake which you should have
repaired immediately by an authorized Audi dealer or other qualified
workshop ~
page 30.
[I] Tips
• You can apply the parking brake at any time -even with the igni­
tion turned off. The ig nition must be turned on in order to release the
parking brake.
• Occasional noises when the parking brake is applied and released
are normal and are not a cause for concern.
• When the vehicle is parked, the parking brake goes through a self­
test cycle at regular intervals . Any associated noises are normal. •
Parking
Various rules apply to prevent the parked vehicle from
rolling away accidentally.
Parking
-Stop the vehicle with the foot brake.
- Pull the switch to apply t he parking brake.
- Move the selector lever to P.
- Turn the engine off::::>&.
In addition on inclines and grades
-Turn the steering wheel so that your vehicle will ro ll
against the curb in case it should start to move.
_& WARNING
• When you leave your vehicle -even if only briefly· always
remove the ignition key. This applies particularly when children
Controls and equip ­
ment Safety first
& WARNING
(continued )
remain in the vehicle. Otherwise the children could start the
engine, release the parking brake or operate electrical equipment
(e.g. power windows). There is the risk of an accident.
• When the vehicle is locked, no one -particularly not children
should remain in the vehicle. Locked doors make it more difficult
for emergency workers to get into the vehicle -putting lives at
risk. •
Starting from rest
The starting assist function ensures that the parking
brake is released automatically upon starting.
Stopping and applying parking brake
-Pull the switch to apply the parking brake.
Starting and automatically releasing the
parking brake
- When you start to drive as usual, the parking brake is auto -
matically released and your vehicle begins to move.
Whe n stopping at a tra ffic signal or stopping in city traffic on ve hicles
with an automatic transmission, the parking brake can be applied.
Th e vehicle does not have to be held with the footbrake. The parking
brake eliminates the tendency to creep with a drive range engaged.
As soon as you drive off as usual, the parking brake is released auto­
matically and the vehicle starts to move.
Starting on slopes
When starting on inclines, the starting assist prevents the vehicle
from unintentionally rolling back. The braking force of the parking
brake is not released until sufficient driving force has been built up at
the whee ls. ..,
Vehicle care Technical data

""L___::O:::.:., n:....:: t.:..:h :.:e :...:.. r.:::o :.::a :.: d=--------------------------------------------------
(I] Tips
For s afety reasons, t he pa rking br ake is r eleased automatically only
when the driver 's safety belt is engaged in the buck le .•
Starting off with a trailer
To prevent rolling back unintenti onally on an incline, do
the following :
-Keep the switch pu lled and depress the accelerator. T he
parking brake stays a pp lied and prevents the vehic le from
ro lling backward.
- You can re lease the switch once you are sure tha t you are
deve lopi ng enough driving force at t he wheels by
depressing the accelerator .
Depending on the we ight of the rig (vehicle and trailer) and the
sever ity o f the in cl ine, you may roll backwa rds as you start . You can
prevent roll ing backwards by holding the park ing brake sw itch pulled
out and accele ra ting -just as you wou ld when starting on a hill wi th a
conventional hand brake .•
Emergency braking
In the event that the conventional brake system fails or
locks .
-In an emergen cy , pull t he sw itch and contin ue to pull it to
slow your vehic le down with t he p arking brake.
- As soon as you re lease t he swi tch or acce lerate, the
bra king process s tops.
If you pull the switch and hold it above a speed of about 5 mph (8
km/h), the emergency braking fu nction is initiated . The vehicle is braked at all four wheels by activating the
hydraulic brake system.
Th e b rake pe rformance is s imila r to mak ing an eme rge ncy sto p .=>
&
In order not to act ivate the emergency brak ing by m istake, an audib le
warning tone (buzzer) sounds when the switch is pulled. As soon as
t he swi tch is re leased, or the acce lerator pedal is dep ressed , emer ­
gency braking stops .
& WARNING
Emergency braking should only be used in an eme rgency , when
the normal foot brake has failed or the brake pedal is obstructed .
Using the parking brake to perform emergency braking will slow
your vehicle down as if you had made a full brake application . The
laws of physics cannot be suspended e ven with ESP and its associ ·
at ed components (ABS, ASR, EDS ). In corners and when road or
weather conditions are bad , a full brake application can cause the
vehicle to skid or the rear end to break away· ri sking an accid ent. •
Driver messages in the instrument cluster
Warning Vehicle incline i s excessive
Th is message appears when the parking brake is applied on an incline
t ha t exceeds abo ut 3 0%.
I n th is case the braking power of the parking brake may
not be
adequate
to prevent the vehicle from rolling unintentionally.
Pl ease release parking brak e
Please note that for safety reasons the pa rking brake is re leased auto ­
matically on ly if the d river's seat be lt is fully engaged i n the buck le .
To relea se the parking brake pre ss the brake pedal
Th is dr iver message appears when the switch to release the parking
brake was pressed . The par king brake can only be released if you s tep
on the brake peda l and at the same time p ress the switc h or you auto- _.,

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& WARNING (co ntinued )
• Always turn off adaptive crui se control when entering turn
lanes, highway ex it lanes and con struction zones or similar situa­
tions because the vehicle will automatically accele rate to the
stored speed .
• Never rest your foot on the accelerator pedal, especially when
the adaptive cruise control is being u sed because doing so will
override the braking function and prevent the brakes from being
applied by the system when it detect s a situation when the brake s
must be applied.
• Alway s remember that the adaptive cruise control has limits -
it does not react when you drive towards an obstacle or something
else on or near the road that is not moving, such as vehicles
stopped in a traffic jam , a stalled or disabled vehicle .
• Always remember that the adaptive cruise control cannot
detect a veh icle th at i s driving towards you in your traffic lane and
that it cannot detect narrow vehicles such as motorcycles and bicy­
cles .
[ i] Tips
• For safety reasons, the stored speed is deleted when the ignition
is turned off.
• The Electronic Stabilization Program (ESP) and the Ant i-Slip Regu ­
la tio n (A SR) c anno t be de activated when the adaptive cruise cont rol
is sw itched on .
If the ESP and the Anti -S lip Regulation (ASR) has been
de activ at ed an d yo u the n switch on the ad apt ive cruise cont rol, the
ESP fu nction w ill also be activated automatically.
• Dam age cau sed by accide nts (e.g. if the vehicle is dam age d whe n
park ing) can affect the rada r sensor settings. This can cause t he
sys tem to malfunc tion or switch off comple tely.
• The radar sensor cover is heated. In w inter conditions, you should
st ill ch eck befor e dr iv in g to make s ure i t is free of ice and s now. If
necessary, clean the area nea r the rada r sensor carefully=>
page 116,
fig. 114 .
Controls and equip ­
ment Safety first
•
To ensure that the radar sensor is not blocked , fore ign objects
(e .g. st ickers, add -on par ts) m ust no t cover the are a ne ar th e radar
sensor=>
page 116, fig . 114 . The area near t he radar sensor must not
be painted, either .
• For Declaration of Compliance to United States FCC and Industry
C an ada regula tions =>
page 34 6. •
App lies to ve hicle s: with adap tiv e crui se contro l
How does adaptive cruise control work?
Vehicles traveling ahead are de tec ted w ith the aid of a
ra dar sens or.
I;= =;. =============== --~
~
l8
Fig. 115 Radar sen sor
mea sureme nt r an ge
A radar sensor is buil t into the front of the vehicle=> fig. 115, which
is subject to ce rtain system limits =>
page 12 7 . Stationary o bjects are
not taken into cons iderat ion. The system is intended to measure the
distance to reflective s urfaces. The system responds after the
dis tance measuremen t has taken place. If a meas urement is not
poss ible, the system does not respond.
Open road
When the road is clear, the adaptive c ruise contro l works like cr uise
cont rol. It ma inta ins a constant target speed specified by the drive r.
~
Vehicle care Technical data

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Appli es to ve hicl es: wi th a daptive cruise cont rol
System status indicator
The text messages and symbols shown in this area of the
display are not displayed permanently .
Time intervals (such as e::::, ____ e::::,)
Fig. 124 System
status indicator
The different symbols for the time intervals appear if you change the
sett ings => fig. 124 .
Th e text message ... (three white dots) appears if a setting cannot be
implemented with the operating lever. The following are possible
reasons:
• If you pull the control lever towa rds you to resume speed but no
requested speed was set .
• If you push the lever up to increase (or down to reduce) speed
when no speed has been set previously.
• If you push the lever up to increase (or down to reduce) speed and
this speed is outside the range from 20 to 95 mph (Canada mode ls:
30 to 150 km/h) .
ACC functionality Limited
The text message ACC functionality limited appears when the ACC
system does not detect any objects over an extended time period. For
the time being, the d istance to veh icles up ahead is not being
Controls and equip ­
ment Safety first
controlled
. The ACC system is not switched off, so increased alertness
is required. The following may be reasons for the text message ACC
Functionally limited:
• The ACC sensor is dirty. The ACC system is not reacting, or is not
reacting correctly, to vehicles traveling ahead.
• It is possible that you are driving on a road with very light traffic
without anything at the s ide of the road (e .g . guard rails, traff ic s igns,
trees). As soon as a vehicle is detected by the system again, it returns
t o its contro l range and the text message disappears.
The ACC sensor is located in the r ig ht front trim grille
=> page 116,
fig. 114 . If there is a loss of operation due to heavy contamination,
this area should cleaned to restore proper operat ion .
ACC not available
The text message ACC not available appears, for examp le, if the
t empe rature of the brakes is excessive. Adaptive cruise control is
temporarily not available. A warning tone sounds as a rem inder .
ACC not available!
The text message ACC not available! appears in the event of a
ma lf unct ion. Adaptive cruise control is turned off. A warn ing tone
sounds as a reminder . Have the system inspected by a qualified deal­
ersh ip.
ACC sensor blocked !
The text message ACC sensor blocked ! appears when the ACC System
can no longer guarantee safe detection of objects. Adaptive cruise
control is turned off. A warning tone sounds as a reminder.
To decide whether it is necessary to switch off the ACC (ACC sensor
blocked
!) or if it is only a temporary condition (ACC Functionally
limited), the system w ill also takes into consideration the outside
temperature and/or the windshield wiper operation .
Th e ACC sensor is d irty or blocked (e.g. leaves, snow).
Th e sensor should be cleaned to restore prope r sensor funct ion
=> pagell6,fig.114.
Vehicle care Technical data

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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 143. 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 4 3.
• 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 346. •
Applies to veh icl es: w ith s ide ass ist
Sensor detection area
Vehicle care
Fig . 142 Schem atic
ill ustration: Se nsor
detectio n area
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Technical data