2009 AUDI S4 CABRIOLET service

Airbag system . . . . . . . . . . . . . . . . . 168 Trailer to\Ning . . . . . . . . . . . . . . . . . . 224
Important things to know . . . . . . . 168 Driv ing with a trailer . . . . . . . . . . . . 224
Front airbags . . . . . . . . . . . . . . . . . . 172 Trailer towing tips . . . . . . . . . . . . . . 226
Monitoring the Advanced Airbag
System . . . . . . . . . . . . . . . . . . . . . . .
179
Knee airbags . . . . . . . . . . . . . . . . . . 184
Side a irbags . . . . . . . • . . . . . . . . . . . 187
Child Safety . . . . . . . . . . . . . . . . . . . . 190
Impor tant things to know . ..... .
Child safety seats ............. .
Insta lling a chi ld safety seat .... . 190
195
200
Add it ional Information ....... .. . 203 Vehicle care . . . . . . . . . . . . . . . 229
Lower anchorages and tethe r for
children (LA TCH) . .. ... ... ... ... .
205 Cleaning and protection . . . . . . . 230
~----
t
Vehicle operation .... ... . 211
212
212
2 12
215
Intelligent
technology ... ... ... .
Notice about data recorded by
ve hicle contro l modules .. ..... .
Electronic Stabilization Program
(ESPJ . .... ... ......... ... ... .. .
B rak ing ..... ... .... .... ... ... .
Servotronic® -advanced power
steering system ............... .
Driving with your quattro® ..... .
Driving and environment .... . . 217
2
18
2 19
The first 1,000 miles (1,500 km) and
afterwards . . . . . . . . . . . . . . . . . . . .
21 9
Catalytic converter . . . . . . . . . . . . .
220
Avoid damaging the ve hicle . . . . . 221
Operate your vehicle economically
and minimize pollution . . . . . . . . .
221
General information ........... .
Care of exterior ................ .
Care of inte rior ...... .... ... ... .
Fue l supply and filling your fuel
tank ........................... .
Gasoline ........... ........... .
Fuel tank ..................... .
Checking and filling .. ... ...... .
Engine hood ......... ......... .
Engine compartment ...... ... . .
Engine oil ..................... .
Engine cooling system ......... .
Brake fluid ................ ... . .
Battery . ... ... ... ............. .
W indshield /headligh t washer
rese rvoir ...................... .
Tires and \Nheels .......... .... .
Tires ..... .. ..... ... .. - . -.. • · · ·
230
230
238
244
244
245
249
249
251
252
257
260
261
266
267
267
Table of contents
Do-it-yourself service ... 289
What do I do no\N? . . . . . . . . . . . . . 290
Trunk escape ha ndle . . . . . . . . . . . . 290
Jack, tools and spare wheel . . . . . . 290
Whee l change .............. .... 293
Fuses and bulbs . . . . . . . . . . . . . . . . 300
Fus es ................. ......... 300
Bulbs .......................... 302
Emergency situations . . . . . . . . . . 304
Genera l ... .. ... .... _ .. _ ...... .. 304
Starting by pushing or towing . . . . 304
Starting with jumper cables . . . . . . 304
Use of jumpe r cables . . . . . . . . . . . . 305
Em ergency towing with commercial
tow truck ... ......... ....... .. .
Lifting vehicle ................. .
Technical data
General information 306
308
311
312
Explanation
of technical data 312
Vehic le ide ntific ation . . . . . . . . . . . . 312
Weights ........................ 313
Dimensio ns . . . . . . . . . . . . . . . . . . . . 313
~ehicle care irechnical data

Vehicle literature
In addition to this Owner's Manual, your Audi comes with a
Warranty
& Maintenance booklet.
Moreover, depending on the model and the equ ipment, there may
be additional instruction booklets delivered with your vehicle (for
example, Operating Instructions for your Sound System, Navigation
System etc .) .
If you are missing one of these publications, or if you believe that
the information is not comp lete, contact your authorized Audi
dea ler for assistance.
The Warranty & Maintenance booklet
exp lains how you can keep your Audi in top driving condition by
having it serviced regularly and contains detai led information about
the warranties covering your Audi . Always have the booklet with you
when you take your vehicle to an authorized Audi dea ler for service.
Your Audi Service Adviser will record each scheduled service and
can answer any questions you may have regarding how to ma inta in
your vehicle.
In Canada,
the vehicle literature is a lso available in French. To obtain a copy,
contact your dealer or write to :
Au Canada, on peut se procurer un exemplaire en frarn;ais de ce
document aupres du concessionnaire ou de:
Volkswagen Canada, Inc .
Client Assistance
Assistance a la Clientele
777 Bay ly Street, West,
Ajax, Ontario L 1 S 7G7
If you sell your Audi
a ll l iterature should be left in the vehicle to make the Warranty ter ms
as wel l as all operating, safety and maintenance information avail­
able to the next owner.
Controls and equip­ ment Safety first Vehicle operation
V
ehi cle litera tur e
If you change your address or if you bought this
Audi used
be sure to send in a "Notice of Address Change"/ "Notice of Used
Car Purchase" post card. This card can be found in the Warranty
&
Maintenance booklet or obtained from your authorized Aud i dealer.
It i s in you r own inte re st th at w e are abl e to cont act you should the
n eed aris e.•
Vehicle care Do-it-yourself service Technical data

Controls and equip­ment Safety first
Vehicle operation Vehicle care
About this Owner's Manual
Do-it-yourself service Technical data

Instruments and warning/indicator lights
Instruments and warning/indicator lights
Instruments
Instrument cluster and controls
The instrument cluster is your central source of information.
Fig. 2 Overview of the instrument cluster
G) Coolant temperatu re gauge .. ..... ... ... .... ... . . 13 - Clock and date display .. .... ........ .... ... .. .
® Tachometer with time and date display . ....... ... . 13, 14 -Instrument cluster illumination ... .... .... ... .. .
® Warning/indicator l ights .. ... ....... ... ........ . 18 0 Driver information system ...... .... ....... .... . .
© Spe edometer with odometer . .... ...... ..... .. . . 15 © CHECK system button .......... ........... ..... .
© Fuel gauge ...... .... ....... ........ ........ .. . 16 © Reset but ton for Service indicator ................ .
© Buttons to set the: @ Reset button for trip odome ter .................. .
14
15
24
16
17
18 ~

The information disappears after approximately 5 seconds.
Setting the speed warning
By pressing the [ CHECK I button you can set speed warning 1
=> page 36 while the vehicle i s moving .
Speed warning 2* => page 36 can only be set with the ignition
switched off. •
Service interval display
The service interval display reminds you when your next
service is due.
Display remaining distan ce
Fig. 7 Serv ice interval
display in the in stru ­
men t cluster
With the ignition on, briefly push button G) to display the distance
remaining (miles/kilometers) until the next service is due . You can
recall the service countdown with the engine in id le or while driving
at a slow speed up to
3 mph (5 km/h). The remaining distance will
be updated every
300 miles (500 km) :
On a new vehicle, or immediately after a service has been
performed, the following message will be displayed:
Service in ···· mi (km) ··· days
For the the first 300 miles (500 km) of driving after a service , the
display will keep showing dashes. This is
NOT a malfunction. Rather,
Contro ls and eq uip­
ment
Instruments and warning /indicator lights
the system needs the mileage to (re-Jodjust to your driving style . Only
then can it start generating and updating figures for the distance and
days until the next scheduled service.
Service reminder
As soon as less than 1,200 miles (2,000 kilometers) of driving are left
before the next due service, the following message will be displayed
when you switch on the ignition :
Service in 1,200 mi (2,000 km)··· days
After about five seconds the display switches back. Each time you
switch on the ignition, the distance will be updated until the next
service date is reached.
Service due
If service is due immediately, Service! will appear in the display
immediately after switching on the ignition . The display switches
back after about five seconds.
Resetting the display
Your authorized Audi dealer will reset the display after performing
the scheduled service. If the service is not performed by an autho ­
rized Audi dealer, the display must then be reset as follows:
• Switch off the ignition.
• Press and ho ld the Service button
G)=> fig. 7, then switch on the
ignition . One of the fol lowing messages appears in the display:
Service in ···· miles or Service!.
• Press the reset button @ until either of the the following
messages appears in the display:
Service in ····miles··· days or
Service!
After about five seconds the display switches back.
[ i ] Tips
• Do not reset the display between service intervals. Doing so will
resu lt in an incorrect display.
~
~ehicle care irechnical data

Instruments and warning /indicator lights
• The service display information will remain intact even if the
battery is disconnected .
• If a priority 1 malfunction is detected (red symbol), you cannot
display the distance remaining. •
Reset button
The "0.0" button=> page 17, fig. 7 @ performs the following func­
tions :
Resetting the trip odometer
The upper odometer (trip odometer) => page 15 can be reset back to
zero by pressing the reset button.
Resetting the service interval
The service interva l display=> page 17 can be reset by pressing the
reset button (first select the "reset" mode in the service indicator
display). •
Warning /indicator lights
Overview
The warning/indicator lights indicate different functions
or a possible malfunction.
Fig. 8 Instrument clu ste r: complete set of warning /indi cator symbols (USA ­
models)
Your vehicle is equipped with several important warning and indi ­
cator lights to help you monitor the continued reliable operation of
your vehic le~
& -
AIR
BAG
USA models :
Malfunction Indicator lamp (MIU
Canada models:
Malfunction lndictor Lamp (MIU
Airbag sys tem
~ page 19
~ page 19
~ page20

Driver inf orma tion dis pl ay
Driver information display
Introduction
General notes
The driver information display inside the instrument
cluster provides you , the driver, with much useful infor­
mation.
Fi g. 9 Inst rum en t
c luster : ce nter dis play
The driver information system updates important information in the
c e nter display in clear view of the driver . In an easy to und erstand
format, the display tells you how your vehicle is functioning
a t the
c u rre nt mo ment .
For example, the display can tell you how many
mi les (kilometres) you can still dr ive unt il it is time to bring your
vehic le to your authorized Audi dealer for a scheduled Maintenance
Service . This feature helps preventing costly repairs . It is just one of
many different items of information available for recall . The display
also gives you a "status report" whenever the
so und and navi gati on
systems are being used . The operation of Audi Navigation System *
is described in a separate booklet.
The Driver Information System provides the following functions: Sound system display
Outside air temperature
Door open indicator
Selector
lever position Tiptronic®
Selector lever position multitronic™
Auto Check system Driver informat ion
Messages : power top operation
Par king brak e warning
Service interval display
Headlight/tail light malfunction
On -b oard computer
[ i ] Tip s
=> page 25
=> page25
=> page26
=> page 127
=> page 133
=> page 34
=> page 28
=> page29
=> page 64
=> page30
=> page 17
=> page 35
=> page 37
• If your vehicle has an automatic transmission , the various
display contents will appear only after you have moved the selector
lever into
R , D or S.
• In the event of a ma lfuction either a red or yellow icon appears
in the display. Red symbols indicate
Dan ger => page 30. Yellow
symbo ls indicate a
Warn ing => page 32 . •

Fuel filler cap not closed properly
M ....
~ :c IX) m
Fig. 14 Center disp lay:
fu el f iller ca p open
A message C LO SE FUEL TANK CAP! in the driver information display
wi ll come on if the fuel filler cap is not properly closed . If the
message comes on, please perform the following steps upon
reaching your next destination.
With the ignition turned off, open the fuel filler flap and remove the
fue l cap. Next, reinstall the fuel cap being sure to twist the fue l filler
cap clockwise until you hear a definite "click." Press the fuel filler
flap closed until it locks into place (and is flush with the car body).
After switching on the ignition, the message may remain lit even
though the fuel filler cap is properly c losed . This is norma l and there
is no reason to take your vehicle for service .
I f, however, the Malfunction Indicator Lamp (MIU~ comes on,
always drive to your nearest authorized Audi dealer or qualified
workshop and have the vehicle checked .
For more information =>
page 246, "Refuelling".•
Controls and equip ­
ment
Driv er inf ormati on di spl ay
On-Board Diagnostic system (08D)
Malfunction Indicator Lamp (MIL) ?-1' (USA
models)/ (Canada models)
The Malfunction Indicator Lamp (M IU in the instrument cluster
=>
page 18, fig. 8 is part of the On-Board Diagnostic (OBD I I) system.
The warning/indicator light illuminates when the ignition is switched on and goes out after the engine starts and the idle has
stabi lized. This indicates that the MIL is working properly.
If the l ight doe s not go out after the engine is started, or illuminates
wh ile you are driv ing, a ma lfunc tion may ex ist in the engine system .
If the light starts flashing, the catalytic converter cou ld be damaged.
Continue driving
with r educ ed power (avo iding sustained high
speeds and/or rapid accelerations) and have the condition
corrected . Contact your authorized Audi dea ler.
I f the light illuminates, the electron ic speed limiter may also be
malfunctioning . For more information=>
page 28, "Electronic speed
limiter" .
An improperly clo sed fu el filler cap may also cau se the MIL l amp to
illuminate
=> page 246 . •