2011 AUDI A5 CABRIOLET engine

Driver information display
you have to stop immediately and turn off the engine. The coolant
pump is not working anymore--danger of damage to the engine! •
Brake system malfunction
A malfunction in the brake system must be repaired as
soon as possible.
If the warning/indicator light BRAKE (USA models)/ ((D)
(Canada models) in the instrument cluster flashes, there is a
brake system malfunction . A driver message appears as well
to explain the malfunction in more detail. The driver warning
goes out after about S seconds, but it can be brought up at
any time by pressing the
!SET] button again.
Stop the Vehicle and Check the Brake Fluid
- Stop the vehicle.
-Check the brake fluid level=>
page 289.
- Seek professional assistance if necessary .
Warning ! Fault in brake system. Contact
workshop
- Drive carefully to the nearest authorized Audi dealer or other qualified workshop and have the malfunction
corrected =>
&.
Parking brake Please get to a repair shop
- If this symbol appears when the vehicle is stationary or
after the ignition is turned on, check to see if the parking brake can be released. Drive to an authorized Audi dealer
or other qualified workshop as soon as possible and have
the malfunction corrected. If the parking brake cannot be
opened, then take it to an expert at an authorized Audi
dealer.
- If the symbol appears while you are driving, it is possible that the traction control or the emergency brake has malfunctioned. It is possible that the parking brake
cannot be applied. It is also possible that the parking
brake cannot be released after it has been applied. Drive
to an authorized Audi dealer or other qualified workshop
to have the malfunction corrected.
If the ABS system malfunctions, the ABS warning/indicator light illu­
minates together with the brake system malfunction warning/indi­
cator light~& .
& WARNING
• Always observe the warnings in~ page 2 72, "Engine compart­
ment", before opening the hood and checking the brake fluid.
• Driving with low brake fluid is a safety hazard. Stop the car and
get professional assistance.
• USA models: If the BRAKE warning light and the i, warning
light come on together, the rear wheels could lock up first under
hard braking. Rear wheel lock-up can cause loss of vehicle control
and an accident . Have your vehicle repaired immediately by your
authorized Audi dealer or a qualified workshop. Drive slowly and
avoid sudden, hard brake applications.
• Canada models: If the brake warning light (CD) and the ABS
warning light come on together, the rear wheels could lock up .,_

& WARNING (continued)
first under hard braking. Rear wheel lock-up can cause loss of
vehicle control and an accident. Have your vehicle repaired imme­ diately by your authorized Audi dealer or a qualified workshop.
Drive slowly and avoid sudden, hard brake applications. •
Engine cooling system malfunction -•-
A malfunction in the engine cooling system must be repaired as soon as possible.
If the - t-symbol flashes in the display, either the engine
coolant
temperature is too high or the engine coolant level is
too low. A driver message appears as well to explain the
malfunction in more detail. The driver warning goes out after
about 5 seconds, but it can be brought up at any time by
pressing the
[SET] button again.
Switch off engine and check coolant level
- Pull off the road.
- Stop the vehicle.
- Turn off the engine .
- Check coolant level==>
page 287.
- Add coolant if necessary ==> page 288.
- Continue driving only after the engine coolant
warning/indicator light goes out.
- Contact your authorized Audi dealer for assistance if
necessary .
If the engine coolant level is correct, then the radiator fan may be the
cause of the malfunction.
Controls and equip ­
ment Safety first
Driver information display
& WARNING
•
If your vehicle should break down for mechanical or other
reasons, park at a safe distance from moving traffic, turn off the
engine and turn on the hazard warning lights=>
page 67, "Emer­
gency flashers
A".
• Never open the hood if you see or hear steam or coolant
escaping from the engine compartment· you risk being scalded.
Wait until you can no longer see or hear steam or coolant
escaping.
• The engine compartment of any vehicle is a dangerous area.
Before you perform any work in the engine compartment, turn of
the engine and allow it to cool. Follow the warning stickers
=> page 2 72, "Engine compartment".
0 Note
Do not continue driving if the-~- symbol illuminates. There is a
malfunction in the engine cooling system -you could damage your
engine. •
Engine oil pressure malfunction The red engine oil pressure warning symbol requires
immediate service or repair. Driving with a low oil pres­
sure indication is likely to cause severe engine damage.
If the 'l=:7: symbol on the display flashes, the engine oil pres­
sure is too low. A driver message appears as well to explain
the malfunction in more detail. The driver warning goes out
after about 5 seconds, but it can be brought up at any time by
pressing the
[SET] button again.
Switch off engine! Oil pressure too low
-Stop the vehicle.
Vehicle care Technical data

Driver information display
- Turn the engine off.
- Check the engine oil level=>
page 284.
-Contact your authorized Audi dealer if necessary.
Engine oil level too low
If the engine oil level is too low, add engine oil=> page 284.
Engine oil level correct
If the symbol 't=7: flashes even though the engine oil level is correct,
please seek professional assistance . Do not continue driving . Do not
leave the engine running
idle, either.
(I] Tips
• The engine oil pressure symbol~ is not an indicator for a low
engine oil level. Do not rely on it. Instead, check the oil level in your
engine at regular intervals, preferably each time you refuel, and
always before going on a long trip.
• The yellow oil level warning indication ... :lo requires oil refill or
workshop service without delay. Do not wait until the red oil pres­
sure warning ~ starts to flash before you respond to the low oil
level warning . By then, your engine may already have suffered
serious damage. •
Fill engine oil now~
~-Please replenish oil now
If the ~ symbol lights up, then the oil has to be replenished right
now =>
page 284. •
Steering malfunction ~-
If there is a malfunction in the electronic steering column
lock, the steering cannot be unlocked.
If the @l- symbol in the display blinks, there is a malfunction
in the electronic steering column lock . A driver message
appears as well to explain the malfunction in more detail.
The driver warning goes out after about 5 seconds, but it can
be brought up at any time by pressing the (SET] button
again.
Stop the vehicle and turn off the engine. Steering
defective
- Obtain professional assistance.
- Do
not tow your vehicle .
& 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.
(I] Tips
The symbol's appearance might be different in some models. •
Ignition lock malfunction©-
A malfunction in the ignition lock must be repaired imme­
diately.
If the ©- symbol in the display blinks, there is a malfunction
in the electronic ignition lock. A driver message appears as
well to explain the malfunction in more detail. The driver
~

warning goes out after about S seconds, but it can be brought up at any time by pressing the !SETI button again
Defective ignition switch Get it serviced!
-Do not turn the engine off.
- Drive immed iately to an authorized service facility to have
the malfunction corrected.
If there is a malfunction in the electron ic ignition lock, the ignition
cannot be turned off . Drive immediately to an authorized service
facility to have the cause of the malfunction corrected.
On vehicles w ith convenience key *, the e ng ine should not be switched
off using the start/stop button because the engine cannot be started
again after the ignit ion has been switched off.
[ i ] Tips
The symbol's appearance might be d ifferent in some models. •
Yellow symbols
Ayellow symbol means WARNING.
Fig. 24 Display:
Yellow warning
symbol
Yellow symbols indicate a priority 2 malfunction -Warning!
Con tro ls a nd e quip ­
m en t Vehicle
OP-eration
Driver information display
When a yellow warning symbol appears, one warning tone sounds. A
dr iver message appears as well to expla in the malfunction in more
detail. The driver warn ing goes out after about 5 seconds, but it can
be brought up at any time by pressing the
! SET] button again.
Check the function displayed as soon as possible . The yellow symbol
will not go out again until the reason for the malfunction has been
corrected.
If several priority 2 malfunctions are present, the symbols appear in
succession and remain for about 2 seconds.
Dynamic steering*
~ page34
-Worn brake pads ~poge35
Battery voltage ~poge36
Defective light bulb* ~poge35
Check engine oil level => page 36 or
~page36
Engine oil sensor malfunction ~page36
-
Low fuel level =:>page 36
- -Windshield
washer fluid ~poge35
level low
Convenience key*
~poge34
Key not in vehicle
Light/rain sensor* defective
::::>poge35
--
Dynamic headlight range => page37
control defective ...
Vehicle care Do-it-yourselt service iTechnical data

Driver information display
Battery in remote control key :::>page 39
--
Elect romechan ical => page 112
par king b rake
-
Engine speed limitat ion * =>page 36
adaptive light* defect ive => page 37
Ignition lock malfunction ::::>page37
Adapt ive dampers * :::>page 37
Windshield w iper defectiv e :::>page 37
--
Significant loss of air pressu re* => page 315
Ti re pressu re m onito ring sys-=> page 315
tern * (malfunction)
[I] Tips
The speed warnings warning thres ho ld 1 and warning threshold 2
v are also yellow symbols in some mo dels . The wa rnin g is always
show n as a sma ll symbol in the uppe r area of t he d isp lay
=> page 26 . •
Ap plies to ve hicle s: with Aud i d rive se le ct
Dynamic steering f?i
1:.;,. Dynamic steering : Sy stem malfunct ion
Th is driver message and the symbol appear when a system
ma lfunction occurs dur ing trave l. Yo u can continue to dr ive carefully
at a reduced speed to a q ua lified workshop. Steering can be more difficult or sens
it ive than usua l. The steering wheel can a lso be at a n
ang le w hen d riving s traight .
Dynamic steering : initialization
If this driver message appears and the indicator light is f lash ing on
t he inst rument pane l, dynam ic steering is being reini tial ized . On ce
you start the engine after t his is finished , the steering wheel w ill be
e a sy to move. Re- ini tia lizat ion mig ht be necess ary if th e s teering
wheel was moved hard to the left and right while the veh icle was not
movi ng. The disp lay goes o ut as soon as initialization is complete .
& WARNING
Have the dynamic steering sy stem malfun ction repaired a s soon
as possible by an authorized Audi dealer or any qualified workshop
- risk of accident!
[ i ] Tips
Th e dynamic steering st abili ty systems are no t ava ila bl e in the event
of a system ma lfunct io n.•
App lie s to v eh icl es: w it h co nv en ience key
Key not in vehicle 7
., Key not in vehicle
Thi s remin der appears along wi th the .... symbol if the maste r key is
removed from the vehicle with t he e ngine running . It is intended to
remind you (e.g. w hen c hanging dr ive rs) not to co ntinue t he journey
w ithout the master key.
If t he master key is no longer in t he ve hicl e, yo u can not swi tch off the
ign ition after stopping the engine and you also cannot start the
eng ine a gain. You also cannot lock the vehicle from the ou ts ide. •

Driver information display
Fuel supply too low I
When the symbol illuminates, this means there are about 2.1
gallons (8 liters) of fuel left in the fuel tank. Time to refuel!
=;, page 275.
If the symbol lights up, even when there is ample fue l in the tank, and
the text
TANK SYSTEM MALFUNCTION! CONTACT WORKSHOP
appears in the display, there is a fault in the system. Contact a quali­
fied workshop to have the fault rectified. •
Applies to veh icles: w ith batte ry vol tage warning
Battery voltage L:
If battery power drops into the range where it can limit the ability of
the engine to start, this the symbol appears in the instrument
cluster display with the following driver message battery charge low:
Indicates charging by being driven.
While this driver notification is displayed, you have to be prepared for
limited starting capability.
Driver message appears and goes out again
If this driver message appears after the ignition is turned on or while
driving and it goes out again after a while, the battery has been
adequately recharged.
Driver message appears and does not go out again
If this driver notification appears after the ignition is turned on or
wh ile driving and does not go out again, the battery's state of charge
is not in the optimal range. Starting capability is restricted. Have the
battery checked at an authorized Audi dealer or other qualified work­
shop as soon as possible. •
Check engine oil ~
, Add oil, max x qt (l). You may continue driving
If the . symbol lights up displaying this driver message, then add a
maximum of 1 liter at your earliest opportunity~
page 284. •
Engine oil level ~i.
c,,-Please check oil level
When the symbol illuminates, check the engine oi l level as soon as
possible~
page 284. Top off the oil at your earliest opportunity
~page284. •
Engine oil sensor defective
Oil level! Sensor defective
,., _,..
If the symbol illuminates, contact your authorized Audi dealer and
have the oi l sensor inspected. Until you have this done, check the oil
level each time you refuel just to be on the safe side~
page 284. •
Applies to vehicles: with engine speed limitation
Engine speed limitation -~
Do not exceed max. engine speed of XXXX rpm
Th e ·, symbol illuminates when there is an engine control malfunc­
tion . The ind icator light 'in the instrument cluster also illuminates.
Th e engine speed is limited to the speed displayed in the driver infor­
mation system. Keep in mind that the engine speed will not exceed
the va lue displayed in the driver information system, for example
when downshifti ng.
Please go to an author ized Audi dealer or other qualified workshop to
have the malfunction repaired. •

Opening and closing
Opening and closing
Keys
Key set
B
Fig. 25 Key se t
© Master key with remote control and integrated
mechanical key
You can centra lly lock and un lock your vehicle and start the engine
w ith the master key w ith remote cont ro l. A mecha nica l key is inte­
grated in the master key=>
page 40.
@ Emergency key
The emergency key is not intended for constan t use. It should on ly be
used in an emergency. Keep it in a safe place and do not car ry it on
your key ring.
Key replacement
If you lose a key, cont act your autho riz e d Audi de aler immedia tely to
have the
lost key d isab led. Be sure to bri ng all your keys with you.
Data in the master key
Dur ing d riving, service and maintenance-relevant data is cont in u­
ously s tore d on yo ur ma ster key. Your Audi service adviser can re ad out this data a
nd tell you about th e wo rk your ve hicle needs. This
applies also to vehicles with convenience key*.
Personal comfort sett ings
If two peop le use one vehicle, it is recommended that each person
always uses "their own" mas ter key. When t he ignition is t urne d off
or when the vehicle is locked, pe rsonal convenience settings for the
followi ng systems a re stored and assig ned to the remote maste r key.
• Climate control
• Centra l lo cki ng sy stem
• Seat memory*
• Parki ng system *
• Audi s ide ass ist*
• Audi dr ive select *
Th e s tored se ttings a re au toma ticall y recalled when you unlock t he
veh icle, when yo u ope n the doo rs o r whe n you turn on the ign ition.
& WARNING
• Do not leave your vehicle unattended with the key in the igni­
tion lo ck . Entry by unauthorized per sons could endanger you or
result in theft or damage the vehicle. Always lock all doors and
take the key.
• Do not leave children unattended in the vehicle, especially with
acce ss to vehicle key s. Unguarded acce ss to the keys provides chil­
d ren the opportunity to start the engine and/or activate vehicle
system s such as the power windows et c. Un supervised operation
of any vehicle system by children can result in serious injury .
• Do not remove the key from the ignition lock until the vehicle
has come to a complete stop. Otherwise the steer ing column lock
could suddenly engage -cau sing the ri sk of an accident.
~

Starting the vehicle with the emergency
key
I,; N 9
" :g
Fig. 31 Glove
compartment: Adapter
for emergency key
Fig. 32 Insert emer­
gency key into the
adapter
- Take the adapter for the emergency key out of the glove
box ~ fig. 31.
- Push the emergency key~ fig. 32 fully into the adapter.
Make sure that the Audi rings are facing up.
- Press the emergency key in the adapter down until it
latches audibly.
- Insert the adapter with the emergency key forward into
the ign ition switch. The engine can now be started as
usual. •
Contro ls a nd e quip ­
m en t Vehicle
OP-eration
Opening and closing
Electronic immobilizer
The immobilizer helps to prevent unauthorized use of
your vehicle.
A computer chip inside your key automatically deactivates the elec­
tronic immob ilizer when you insert the key in the ignition lock, or on
vehicles with Convenience key*, when the key is inside the vehicle .
When you remove the key from the ignition lock, or on vehicles with
Convenience key, when you remove the key from the vehicle, the elec­
tronic immobilizer is automat ica lly activated once again.
& WARNING
Always take the key with you when you leave the vehicle. The key
can disarm the electronic engine immobilizer and permit an unau­
thorized person to start the engine and enable operation of the
vehicle systems such as power window or power top leading to
serious personal injury .
[ i ] Tips
• Th e vehicle cannot be started if an unauthorized key is used. The
vehicle may not start if another rad io device such as a key for another
vehicle or a transponder is located on the key ring.
• For Declarat ion of Compliance to United S tates FCC and Industry
Canada regulations =>
page 346. •
Power locking system
General description
The power locking system locks or unlocks all doors and
the rear lid simultaneously.
You can lock and unlock the vehicle cent rally . You have the following
choices: .,_
Vehicle care Do-it-yourselt service Technical data