AUDI A5 CABRIOLET 2010 Owner's Guide

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 P 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 (Ci)) and the ABS
warning light come on together, the rear wheels could lock up
Controls and equip ­
ment Safety first
Driver information display
&, 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 _t_
A malfunction in the engine cooling system must be
repaired as soon as possible .
If the -~- 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 t he engine coolant level is correct, then the radiator fan may be the
cause of the malfunction .
~
Vehicle care Technical data

Driver information display
in. WARNING
• If your vehicle should break down for mechanical or other
rea son s, park at a safe di stan ce from movin g traffic , turn off the
e ngine and turn on th e hazard warning lights =>
page 66, "Emer ­
gency fl ashe rs A ".
• Never open th e hood if you see or hear steam or coo lant
es caping from the engine compartment -you ri sk being scalded.
Wait until you can no longer see or hear steam or coo lant
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" .
(D Note
Do not continue d riving if the _f_ symbol illuminates . There is a
ma lf u nction in the e ngine cooling system -you co uld damage you r
engine .•
Engine oil pressure malfunction "t::7:
The red engine oil pressure warning symbol r equires
imm ediat e service or repair . Driving with a low oil pres ­
sure indication is likely to cause severe engine damage.
If the ~ symbo l on the display flashes , th e eng ine o il pres ­
sure is too low . A driver message appea rs as well to exp lain
t h e malfunc tion in more detail. The driver warning goes ou t
a ft er a bout 5 seco nds, but it can be b roug ht up at a ny time by
p ressin g th e
(SET ] butto n again .
Switch off engine ! Oil pressure too low
-Sto p the veh icl e. - Tur
n the eng ine off.
- Chec k the engi ne oil level=>
page 284 .
-Contact your a uthor ized Audi dealer for assistance if
necessary .
Engine o il level too low
If the eng ine o il level is too low, add engine oil=> page 285 .
Engine oil level correct
If the symbo l~ flashes ev en though the eng ine oil leve l is cor rect,
please seek pro fessional assistance . Do not continue dr iv ing. Do not
leave t he e ngine runn ing
idle, either .
(I] Tips
• The engine oil pre ssure symbol ~ is not an indi cator 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 "" requires oil refill or
workshop service without delay. Do not wait until the red oil pre s­
sure warning ~ starts to flash before you respond to the low oil
level warning ~ . By then, your engine may already h ave suffered
serious damage. •
Fill engine oil now~
~-Please repleni sh oil now
If the ~-symbo l ligh ts up, then t he oil has to be replen is hed right
now =>
page 285. •

Steering malfunction@-
If there is a malfunction in the electronic steering column
lock, the steering cannot be unlocked.
If the ~- symbol in the display blinks, there is a malfunction
in the electronic steering column lock . A driver message
appears as well to explain the malf unction in more detail.
The driver warning goes out after about 5 seconds, b ut it can
be brought up at any time by pressing the
[ SET] button
again.
Stop the vehicle and turn off the engine. Steering
defecti ve
- Obtain professional assistance .
- Do
not tow you r vehicle .
& WARNING
Your vehicle must not be towed in t he e vent of a malfun ctio n in
the e lec tronic ste ering column lo ck because it cannot b e steered
due t o the lo cked steering.
If it is t owed with the stee ring locked ,
t her e is th e risk of an ac cident.
(I) Tips
The symbo l's appearance m igh t be d ifferen t in some mode ls. •
Ignition lock malfunction@-
A malfunction in the ignition lock must be repaired imme ­
diately.
If the ©- symbol in the display blinks, there is a malfunct ion
in the electronic ignition lock . A driver message appears as
well to explain the malfunct ion in more deta il. The dr iver
Controls and equip ­
ment Safety first
Dri
ver information display
warning goes out after about 5 seconds, but it can be
brought up at any time by pressing the
(S ET] button aga in
Defective ignition switch Get it serviced!
- Do not turn the engine off.
- Drive immed iately to an author ized serv ice facility to have
the malfunct ion corrected.
If the re is a ma lf u nction in the e lectronic ignition lock , the ignit ion
cannot be tur ned off . Drive immediately to an authorized service
facility to have the cause of the ma lfunct ion corrected.
On vehicles with convenience key*, t he eng ine shou ld not be sw itched
off using the start/stop button because the engine cannot be started
again after the ignition has been swi tched o ff.
[ i ] Tips
Th e symbo l's appea ra nce m ight be different in some models. •
Yellow symbols
Ayellow symbol means WARNING.
-0)
9 a:
ill
Fig. 22 Displ ay:
Yello w warni ng
s ymb ol
Yellow symbols ind icate a prior ity 2 malfunction -Warning!
Vehicle care Technical data

Driver information display
When a yellow warning symbol appears, one warning tone sounds. A
dr iver message appears as well to explain the ma lfunction 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.
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 steer ing*
=:>page 32
'O' I I , Worn brake pads =:>page33
Battery vo ltage => page34
Defective light bulb* =>page34
Check engine oil level => page 35 or
=>page 35
Engine oil sensor malfunction =:>page35
--
Low fuel leve l =>page34
Windshield washer fluid =>page34
level low
Convenience key*
=>page 33
Key not in vehicle
Light/rain sensor defective
=:>page33
--
Dynamic headlight range => page 35
control defective
[{] Tips
Battery in remote control key
Electromechanical
parking brake
Engine speed limitation*
adaptive light defective
Ignition lock malfunction
Adaptive dampers*
Windshield wiper defective
T ire pressure monitoring sys­
tem*
Loss of tire pressure
Tire pressure monitoring sys­
tem* System not available
=>page 38
-
=> page 112
-
=>page 35
=> page 35
=> page 35
=>page 35
=>page 36
-
=> page 315
=> page 315
The speed warnings warning threshold 1 and warning threshold 2
are also yellow symbols in some models. The warning is a lways
shown as a small symbol in the uppe r area of the display
=>page 25. •
Appli es to vehicles : wit h Au di dr iv e se lec t
Dynamic steering r
Dynamic steering: System malfunction

This driver message and the symbol,;;:;,. appear when a system
malfunction occurs during travel. You can continue to drive carefully
at a reduced speed to a qualified workshop. Steering can be more
difficult or sensitive than usual. The steering whee l can also be at an
angle when driving straight .
Dynamic steering: initialization
If this driver message appears and the indicator lightl, is flash ing on
the instrument panel, dynamic steering is being reinitialized . Once
you start the engine after this is finished, the steering wheel wi ll be
easy to move. Re -initializat ion might be necessary if the steering
wheel was moved hard to the left and right while the vehicle was not
moving. The display goes out as soon as initial izat io n is complete.
& WARNING
Have the dynamic steering system malfunction repaired as soon
as possible by an authorized Audi dealer or any qualified workshop
- risk of accident!
[I) Tips
The dynamic steer ing stability systems are not ava ilab le in the event
of a system ma lfunct ion .•
Ap plies to ve hicles : w it h c onven ien ce key
Key not in vehicle
Key not in vehicle
This reminder appears along with the symbol if the master key is
removed from the vehicle with the engine running. It is int ended to
remind you (e.g. when chang ing drivers) not to continue the journey
without the master key.
If the master key is no longer in the veh icle, you cannot sw itch off the
ignition after stopping the engine and you a lso cannot start the
engine again. You also cannot lock the veh icle from the outs ide .•
Controls and equip ­
ment Safety first
Driver information display
Light/rain sensor defective
·)
Automatic headlights/automatic wipers defective
If the symbol ill um inates , the light sensor has failed. For safety
reasons the low beams are turned o n permanently with the switch in
AUTO . However, you can continue to turn the lights on and off using
the light switch . In the case of a defect in the ra in sensor, the wind ­
shield wiper lever functions are still avai lable . Have the light/rain
sensor checked as soon as possib le by an autho rized Audi dealer. •
Worn brake pads ~
Brake pads!
If the warning light illuminates, immediately contact your authorized
Audi dealer or qualified workshop to have all brake pads inspected .
On USA mode ls the warning light comes on together with the
war ning light BRAKE . Both sets of b rake pads on an axle must always
be replaced at the same time.
& WARNING
Driving with bad brakes can cause a collision and serious personal
injury .
• If the warning light and the warning light
BRAKE1> with the
message Brake pads! comes on in the instrument cluster display,
immediately contact your authorized Audi dealer or qualified
workshop to have all brake pads checked or replaced if necessary. •
ll BRAKE : USA mode ls on ly
Vehicle care Technical data

Driver information display
Applies to veh icles : w ith defective lig ht bulb warning
Defective light bulb warning
The defective light bulb warning monitors the function of
the light bulbs in the vehicle.
T he defect ive light bulb war ning moni tors t he f unct io n of the light
bulbs. If a defective light b ulb is detected, or if a light bu lb has
burned o ut, a ye llow sym bol appe ars as we ll as a not ifica tion th at
shows which light bulb is defective .
Defective bulb~
If this symbol I") lights up, a t urn signa l (front or rear), a head lamp, a
bra ke light, t he b ack-up light, a fog l amp o r a rear fog lamp h as
fa iled.
& WARNING
• Light bulbs are unde r pre ssure and can explode when bulbs are
replaced - risk of injury.
• With gas-discharge lamp s* (xenon headlights ), the high­
voltage component must be handled appropriately . Doing other­
wise poses a risk of death!
[I] Tips
Have an aut horized Audi dealer or other q ualified workshop perform
t he rep lacement or the rep air .•
Windshield washer fluid level too low o
- Plea se refill washer fluid
If the symbo l illum inates, add w indshield washer f lu id to the washer
system and a lso to the headlight w asher system =>
page 295. •
Fuel supply too low )
When the symbol illum inates, this means t here are about 2.1
ga llons (8 l ite rs) of f ue l left in the f uel t ank. T ime to re fuel!
=>page 275.
If the symbol lights up, even when there is ample fue l in the tank, an d
the text
TANK SYSTEM MALFUNCTION! CONTACT WORKSHOP
appea rs in the disp lay, there is a fa ult in the system. Contact a quali­
fied wo rkshop to have t he fa ult rectified. •
Applies to veh icles: with ba ttery voltage warn ing
Battery voltage 0
If battery powe r d rops into the range where it can lim it the ability of
the engine to start, t his the symbol ~ appears in the i nstr ument
cl uste r d isp lay with the following driver message
battery charge low:
Indicates charging by being driven .
While this driver not ification is displayed, you have to be prepa red for
limited sta rting ca pability.
Driver message appears and goes out again
If th is drive r mess age appears a fter the igni tion i s tur ned o n or whil e
dr iving and it goes o ut agai n after a while, the battery has been
a de qua tely rech arged.
Driver message appears and does not go out again
If th is dr iver no tifi cati on appears after the ign it ion is tu rned on o r
w hil e driving and does not go out again, the battery 's state of charge
is not in th e o ptim al r ange. Startin g cap abili ty is rest ric ted. H ave t he
battery c hecked at an a uth orized A udi dea ler or othe r qua lified work ­
shop as soon as possible. •

Check engine oil 1o
Please top off with ma x. ll of o il. You can keep dri ving.
If the ~ symbo l lights up displaying t his drive r message, t hen ad d a
maximum of
1 liter at your earliest opportunity~ page 285. •
Engine oil level i!:r..,
Please check oil level
When the symbol i lluminates, check the engine oi l level as soo n as
poss ible ~
page 284. Top off the oil at your earliest o pportunity
~ page 285. •
Engine oil sensor defective
" Oil level! Sensor defective
If the symbo l illumina tes, contact your author ized A udi dealer and
have the o il sensor inspected. Until you have this done, check the oil
level each tim e yo u refue l ju st to be on the s afe side ~
page 28 4. •
A pplies t o veh icl es: with eng ine s peed lim itat io n
Engine speed limitation 71
Do not e xceed ma x. engine speed of XXXX rpm
Th e ~ symbo l ill uminates whe n there is an engi ne con trol malfunc­
t ion . The ind icator light
Er"" in the instr ument cluster also i llum inates .
Th e engine speed is limited to the s peed disp laye d in the driver info r­
mation system . Keep in m ind that the engine speed will not exceed
the value disp layed in the driver information system, for examp le
w hen downshifti ng.
Please go to a n author ized Audi dealer or other qualified workshop to
h ave the mal func tion rep aired .•
Controls and equip ­
ment Safety first
Driver information display
• Headlight range control defective
)
Headlight range control defective !
If the sym bo l ~ ill um ina tes, the dynam ic he adl ight range con tro l is
no lo nger work ing properly . H ave t he system checked and repa ired at
your authorize d Aud i dea ler. •
App lies to ve hicle s: wit h ad apti ve light
Adaptive light defective f:.J
adaptive light defective
When this symbol Ji.., ill uminates, it means that adaptive light is
defective. Go to an author ized Audi dealer to h ave the headlig hts o r
the contro l unit for the adaptive lig ht repa ire d.•
Ignition lock malfunction ..c,
~ Ignit ion lock defective
If the sym bol i n the displ ay comes on, t here is a mal func tion in t he
elect ronic ignit ion lock . Please go to an authorized Audi dealer or
o th er qu alified w orkshop to have the mal func tio n re pa ir ed .•
A pp lies to ve hicl es: w it h Aud i d ri ve sele ct
Adaptive dampers~
Adaptive dampers: system malfunction
If the symbol in the dis pl ay comes on , there is a malfunction in the
adaptive dampers . P lease go to an au thorized Aud i dea le r or other
qualifie d wo rks hop to have t he malfunct io n repaire d.•
Vehicle care Technical data

Driver information display
Windshield wipers faulty ::>
->Windscreen wiper defecti ve !
W hen th is symbol "' illum ina tes, i t means th at the e lectro nics for
the windsh ield w ipers are defect ive . Please go to an authorized Audi
dealer or q ualified wor kshop to have the winds hield wiper system
repaired .•

Opening and closing
Keys
Key set
Fig. 23 Key set
© Master key with remote control
You can centrally lock a nd u nlock your ve hicle and start the eng ine
with the master key with remote contro l.
® Emergency key
The emergency key is not intended for cons tant use. It should o nly be
used in an emergency . Keep it in a safe place and do not carry it on
your key ring.
Key replacement
If you lose a key , contact your a uthori zed Audi dea le r immedi ately to
have the
lost key disabled . Be sure to bring all your keys w ith you .
Data in the master key
During driving, service and maintenance-relevant data is cont inu­
o usly s tore d on yo ur maste r key. Your Aud i service adviser can re ad
out this data and tell you about the work your veh icle needs . This
a pp lies a lso to ve hicles with convenience key* .
Controls and equip ­
ment Safety first
Opening and closing
Personal comfort
settings
If two peop le use one veh icle, it is recommended that eac h person
a lw ays uses "t heir own " mas ter key. When t he ig nitio n is tu rned off
or when the vehicle is locked, personal conven ience settings for the
following systems are sto red and assigned to the remo te maste r key .
• Climate co ntrol
• C entra l lo ck ing system
• Seat memory*
• Parking sys tem *
• Audi s ide assist*
• Audi dr ive select*
T he sto red sett ings a re a utomatica lly recalled w hen you unlock the
vehicle, when you open the doors o r when you tu rn o n the ignition .
& WARNING
• Do not leave your vehicle unattended w ith the key in the igni­
tion lock. Entry by unauthorized per sons could endanger you or
result in theft or damage the vehicle. Alway s lock all doors and
take the key.
• Do not leave children unattended in the veh icle, especially with
access to vehicle key s. Unguarded acce ss to the ke ys pro vide s chil­
dren the opportun ity to start the engine and /or activate vehicle
s y stem s such as the power windows etc . Unsupervi sed operation
of any vehicle system by children can result in serious injury.
• Do not remove the ke y from the ignition lock until the vehicle
ha s come to a complete stop. Otherwise the ste ering column lock
could suddenly engage -causing the ri sk of an accident. .,_
Vehicle care Technical data

Opening and closing
(I) Tips
• The operation of the remote control key can be temporarily
disrupted by interference from transmitters in the vicinity of the
vehicle working in the same frequency range (e.g . a cell phone, radio
equipment).
• If you open the driver's door with the key left in the ignition lock,
a chime will sound. This is your reminder to remove the key and lock
the door .
• For security reasons, replacement keys are only available from
Audi dealers.
• For Declaration of Compliance to United States FCC and Industry
Canada regulations=>
page 346 . •
Check Light in the master key
The check light in the master key provides information
about different conditions.
Fig. 24 Check light in
t he master key
The check light comes on briefly once when a button is pressed, and
during an "inquiry" by the convenience key system. If the check
light does not come on, the battery is dead and has to be
replaced. In addition, when the battery is dead the symbo l appears
in the instrument cluster display as well as the message :
Please change key battery
Battery replacement => page 38. •
Master key battery replacement
•
Fig. 25 Remote
master key: Removing
the mechanical key
Fig. 26 Remote
master key: Removing
the battery holder
We recommend having the battery changed by an authorized
Audi dealer. However, if you wish to replace the dead battery
yourself, proceed as follows:
- Press the release button©~ fig. 25 . ..,.