check engine light AUDI A5 CABRIOLET 2011 Owners Manual

Table of contents
Table of contents
Vehicle literature ..... .
About this Owner's Manual ............. ...... .
Controls and
equipment .............. .
Instruments and controls ... .
General illustration ........... .
Instruments and
warning/indicator Lights ..... .
Instruments ................ .
Warning/indicator ligh ts ...... .
Driver information display ... .
Introduction ............ ... . .
Tri p com puter ......... ...... .
Eff iciency program ........... .
On-Board Diagnostic system (OBD) ....................... .
Speed warning sys tem ....... . .
Au to Check Control ........... .
Opening and closing ...... ... .
Keys ........... ... .......... .
Power locking system ........ .
Opening and closing rear lid/trunk
lid ....... ... ......... ...... .
Em erge ncy unlo cking of the
luggage compartment lid ..... .
Pow er windows ........ .. .. .. . 4
5
6
7
7
8
8
12
18
18
21
2 4
2S
26
27
38
38
41
47
48
48 Power top
............. ...... .
Automatic power top ......... .
Wind deflector .............. .
Power top emergency operat ion
Clear vision ............... ... .
Lig hts ....... ...... .... ... .. .
Interio r lights ............... .
Vis ion . ... ................ .. .
Wiper and washer system .... .
Mirror s .................. ... .
Digital compass ............ .
Seats and storage ........... .
G eneral recommendat ions .... .
Power front seat adjustment .. .
Seat memory ................ .
Head restrain ts .............. .
Front armrest ... .... ....... . .
Luggage compartment ....... .
Beverage holders ............ .
Ashtray ..................... .
Cigar ette lighter ......... .... .
S torage ............. ... .. .. .
Warm and cold .............. .
Delux e automatic climate control
Deluxe automatic climate control
p lu s ................... · · · · · ·
S eat heat ing .. .. ............ .
On the road ....... .......... .
Steer ing ................ ... . .
Ign it ion lock and ignition switch
Starting and stopping the engine
with conven ience ke y ........ . .
E lect romechanical parking brake
51
51
55
57
63
63
68
69
69 72
75
77
77
78
80
82
83
83
8S
8S
86
87
88
88
95
103
105
105
106
108
110
Cru ise control . . . . . . . . . . . . . . . . 113 Adaptive cruise control
116
Speed and distance control
system ............... ....... .
116
Driver informati on .......... ... 122
System limitation s ............ 127
Audi braking guard . . . . . . . . . . . . 129
Audi Lane assist ......... ...... 132
Lane assist ................... 132
Audi side assist ............... 136
Lane change ass istant ...... ... 136
No tes ...... ........ .......... 143
Audi drive select .............. 145
Driving settings ............... 145
T ransmission ........... ...... 148
Automatic transm iss ion . . . . . . . . 148
mult it ron ic® .. ................ 154
Park assist . . . . . . . . . . . . . . . . . . . . 162
Parking system . . . . . . . . . . . . . . . . 162
Park ing s ystem (rear) . . . . . . . . . . 162
Parking system (rear, with rear-
vi ew camera) . . . . . . . . . . . . . . . . .
164
Homelink ®
Universal remote control
171
171
Safety first . . . . . . . . . . . . . . . 17 6
D riving Safely ................. 176
Genera l notes . . . . . . . . . . . . . . . . . 176
Proper occupan t seating
posit ions . . . . . . . . . . . . . . . . . . . . .
178
Driver and passenger side
footwell . . . . . . . . . . . . . . . . . . . . . .
182
Pedal area . . . . . . . . . . . . . . . . . . . . 182
Stow ing luggage . . . . . . . . . . . . . . 183

Warning light in the instrument cluster display-1-
If the _L warning light in the i nstrument clus ter display flashes, this
can mean one of two things: either the coo lant
temperature is too
high, or the coolant
level is too low ~ page 31 .
If the needle is well in the uppe r area of the gauge, the coo lant
temperature is too high.
Stop the vehicle, switch the engine off, and
allow it to cool.
If th e war ning light comes o n ag ain af ter driv ing a
short distance, contact an author ized Aud i dea ler or othe r qualified
wor ksh o p.
& WARNING
• Alway s observe the warn ing in :::} page 272, "Engine compart·
ment ", before opening the hood and checking the engine coolant
level.
• Never open the engine hood if you see or hear steam, or if you
s ee engin e coolant dripping from the engine compartment. You
could burn yourself . Let the engine cool off first so that you cannot
hear or see any steam or engine coolant .
0 Note
• Mounting add ition al lights o r accesso ries in fron t of the a ir inlets
reduces the cooling effect of the radiator . At high outside tempera­
tur es o r high engine load, the eng ine could ove rhe at.
• The front spo iler has been designed to properly d istribute the
c oo lin g air when the vehicle is moving. If the sp oi ler is d amaged, this
co uld reduce the cooling eff ect and the eng ine could then overheat .
Ask your au thor ized A udi dealer for assis tance .•
Con tro ls a nd e quip ­
m en t Vehicle
OP-eration
Instruments and warning /indicator lights
Tachometer (engine rev counter)
The tachomete r in dic ates t he engine RPM (revoluti ons
pe r mi nutes) .
If engine RPM drops below 1,500, you shou ld downsh ift to the next
lower ge ar. T he red area at the end of the s cale i ndi cates max imum
permissible engine RPM after the brea k-in per iod. Before reaching
t his area, move t he selector lever to po sition "D (Dr ive)" or ease yo ur
foot off t he accelerator pedal.
0 Note
T he tachometer needle @~ page 8, fig. 2 should o nly br iefly be in
t he red zone: yo u co uld damage your eng ine! T he beg inning of the red
zone varies depe nd ing o n the eng ine.
~ For the sake of the environment
Upshifting early saves fuel and redu ces engine noise .•
[S ET] button
You c an per form d iffere nt fu nctions with t his but ton.
Fig . 3 SET butto n in
the instrume nt clu ste r
Th e !SE TI bu tto n performs the fo llow ing f unct io ns:
Vehicle care Do-it-yourselt service iTechnical data

USA models: Anti-lock brake system ~ page 15
(ABS) defective
Ca nada models : Anti-lock brake sys-~ page 15
tern (ABS) defective
PARK USA models: Parki ng b rake ~ page 16
BRAKE
(® ) Canada models: Parking brake ~ page 16
BRAKE USA models: Brake malfunction ~ page 17
(Q) ) Canada mode ls : Brake malfunction ~ page 17
----·-
& WARNING
• Failure to heed warning light s and other important vehicle
information may result in serious personal injury or vehicle
damage .
• Whenever stalled or stopped for repai r, move the vehicle a safe
di stance off the road, stop the engine, and turn on the emergency
flasher ~
page 67.
• The engine compartment of any motor vehicle i s a potentially
hazardous area. Before you check anything in the engine compart ­
ment, stop the engine and let it cool down . Always exercise
e x treme caution when wor king under the hood~
page 2 72 ,
"Engine compartment "
[I] Tips
Many f unct io ns ar e mon itored by the Auto-Chec k system ~ page 27.
Ma lfu nctions or faults w ill be identified eithe r with a red symbol
(pr io rit y
1 -Danger!) or with a ye llow symbol (priori ty 2 -War ning). •
Controls and equip ­
ment Safety first
Instruments and warning
/indicator lights
App lies to ve hicles : w ith Au di dr ive select
Dynamic steering
If the ind ic a tor light () illumina te s w hen swi tching on t he ig nition
and goes ou t when the engine starts, dynamic steering is activated.
If the ind icator light
r ill uminates after the engine sta rts, a system
ma lfunct ion has occurred . Yo u can co ntinue to drive caref ully at a
re duced speed to a qualified workshop. Steering can be more diffic ult
or sensit ive tha n usual. The stee ring w heel may a lso be at an angle
when driving straight.
& WARNING
Have the dynamic steering sy stem malfunction repaired as soon
as possible by an author ized Audi d ealer
or any qualified workshop
- risk of accident!
[ i ] Tips
• If the indicator light ~ flashes, dynamic stee ring is being re­
initialized. The d river info rmation system display shows the words
"Dynamic steering : initiali zation" ~
page 34.
• The dy namic steering stab ility systems a re not availab le in the
event of a system ma lfunction .•
Electronic power control '
This warning/indicator Light monitors t he electronic
pow er control .
The C'., warning/indicator light (E lectronic Powe r Cont rol) illumi ­
nates when you turn o n the ignition as a function check .
Vehicle care Technical data

Instruments and warning /indicator lights
(I] Tip s
If this warning/indicator light illuminates while you are driving, then
there is a malfunction in the engine e lectronics. Have the ma lfunction
co rrected as soon as possib le by you r authorized Audi dealer or qua l­
ified workshop .•
Electronic stabilization program (ESP) . />
If the <• indicator lamp b links whi le driving, the ESP or ASR (Anti -Slip
Regu lation) is actively regula ting.
If the
> indicator lamp illuminates, the system has switched the ESP
off. In this case, yo u can switch the ignition off and then on to switch
the ESP on again . The system is functioning completely when the
indicator lamp sw itches off.
If the ind icator lamp illuminates, the ESP was switched off with the
[ .$ OFF) button.
St abilisation p rogr am and ABS fault! See ow ner 's manual
If the indicator lamp and the )ABS indicator lamp illuminate and
the driver message appears, the ABS or e lectronic differentia l lock is
ma lfunction ing. This also interrupts the ESP. The brakes still function
with their normal power, but ABS is not act ive.
Drive to your authorized Audi dealer immediately to have the
ma lfunction corrected.
For more information abo ut the ESP::::>
page 240. •
Airbag system
ffl (USA models) l!lr (Canada models)
This warning/indicator light monitors the airbag and the
pretensioner systems .
The I (USA models)/ !.!r (Canada mode ls) warning light illuminates
for a few seconds each time you switch on the ignition.
If the
I (USA models) I !_~ -(Canada models) warn ing light does not go
out, or if it illumina tes while you are d riving, o r if it s tarts to blink,
then there is a malfunction somewhere in the system. If the l ight
does not illuminate when you swi tch on the igni tion, this a lso means
there is a malfunction .
& WARNING
If you ha ve a malfun ction in the airbag system , contact your
a uthoriz ed Audi de aler immediat ely. Otherwi se the airbag or the
belt pr etens ioner m ay not work properly in an accident. •
Appli es to vehicles: with t ire p ress ure mon itor ing system
Tire pressure monitoring system -telltale
indicator lamp )
The warning/indicator light appears in the event of a
significant loss of tire pressure or if there is a malfunc­
tion .
The indicator light _) illuminates to check the function when you
sw itch on the ignition.
If the 'symbo l remains on or blinks after you switch on the ign ition,
there is a loss of tire pressure or a system malfunction . If t here is a
system malfunction, see your author ized Audi dealer as soon as
possible.
Detailed information on the t ire pressu re monitoring system can be
found in::::>
page 314. •

Turn signals ¢ ¢
The indicator light blinks when you use either turn signal .
Whenever you use the left ¢i or the right ¢ turn signal, the indicator
light blinks. When you use the emergency flashers, both indicator
lights flash .
If one of the turn signa l light bu lbs burn out, the turn signal will blink
twice as fast as normal. •
Applies to veh icles: with lane assist
Lane assist (system is ready) /:
The indicator light shows that the system is ready to use. A warning
alerts the driver when the vehicle drives over detected lane boundary
lines.
More informat ion about lane assist~
page 132. •
Applies to veh icles: with lan e ass ist
Lane assist (system is not ready) I·
The indicator light shows that the system is turned on but unable to
send a warning.
More informat ion about lane assist~
page 132. •
Safety belts ~
This warning/indicator light reminds you to put on your
safety belt.
The l warning/indicator light illuminates when the ignition is
switched on to remind the drive r and any front passenger to put on
the safety belt. Additionally, an audible warning tone will also sound .
For more Information
~ page 189, "Safety belt warning light~". •
Controls and equip ­
ment Safety first
In
strum ents and warning /indicator lights
Malfunction Indicator Lamp (MIL)
::i
The Malfunction Indicator Lamp (MIL) is part of the On-Board Diag­
nostic (OBD II) sys tem. The symbol
.'::I lights up when the ignition is
turned on and will turn off after the engine has started and has
sett led at a constant idle speed. This indicates that the MI L is working
properly.
The warning light illuminates when there is a malfunction in the
engine electron ic system. Contact your author ized Audi dealer and
have the malfunction corrected.
For more information ~
page 25. •
High beam ~D
The aD warning/indicator l ight illuminates when the high beams are
on or when you use the headlight flasher. For more information about
using the high beams, see::::;,
page 67. •
Cruise control CRUISE (USA models) /0 1'1
(Canada models)
Th e warning/ind icator light illum inates when the cru ise control is
activated. •
Anti-Lock brake system (ABS)
, (USA models) / (Canada models)
This warning/indicator light monitors the ABS and the
electronic differential lock (EDL).
T he wa rning/indicator l igh t w ill come on for a few seconds when the
ignition is sw itched on. The light will go out after an automatic check
sequence is completed.
~
Vehicle care Technical data

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
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. •