ECU AUDI S4 CABRIOLET 2009 Workshop Manual

Alph ab eti ca l ind ex --------------=-----
Convertible locking retractor
Activating ...... ... .. .... ...... .. 202
Deactivating .. ... ..... ..... .. ... . 203
Using to secure a child safety seat 200 ,
202
Convertible top ........ .... .... .... .. 61
Coolant system
Cooling System 257
Expansion tank ... .... ...... .... .. 258
cornering light . .......... .. .... .... .. 79
Cruise control .. ... ... ...... ...... .. 123
Changing a stored sp eed . .... .... . 124
Setting and storing a vehicle speed . 124
Switching off .................... 125
Switching off temporari ly .. ........ 124
Switching on .... .... .... ...... .. 124
Warning/indicator lights ... ... .... .. 20
Cruising range .. .... .... .... ...... ... 37
Cupholder . ... .. ...... ..... .. .. .... 104
D
Data . .... ... . ... .. ... ... .... ..... . 314
Data recorder ... .... ...... ..... .... . 212
Date dis play . . . . . . . . . . . . . . . . . . . . . . . . . 14
Daytime running lights ... .. ... .. ... ... 78
Declaration of compliance Cell phone package .. .. .... .... ... 320
Elect ronic immobilizer . ..... .. .... 320
Homelink® universal remote con trol 320
Remote control key .. .... .... .... . 320
Tire pressure monitoring system ... 320
Controls and equip­
ment Safety first
def
Dublicate key ... ...... ... .. . ... .... .. 47
What does this mean when it appears in
Dynamic shift program ....... ... ... . . 136
the trip odometer display? .. ...... . 15
Defogging the windows . ....... ..... . 116
E
Defrosting the windows .. ... ..... ... . 116
Determining correct load lim it ... .... . 276 ECON
Digi tal clock ............. .. ... ... .... 14 When should I use ECON?
... .... .. . 113
Setting the time ......... .... .... .. 14 EDL
Digital compass . ... ... . ... ... .. .... .. 90 See Electronic differential lock (EDU . 213
Dimensions ..... .... .... .... .... ... 313 Electric roof .
..... ... ..... .. .... .... . 61
Dipstick Electrically heated front seats .
.. .... .. 116
Reading the dipstick properly ...... 254 Electronic differential lock
Distance ... .... ... ... .. ... .... .... .. 38 Warning/indicator
lights ..... ... .... 20
Doors, power locks ........ ....... .... 53
Driver Electronic differ
ential lock (EDU
How the system works ...... .. .... 213
See S eating position .. ... ... ... ... 148 Electronic immobilizer ..
.. .. . .. .. .. 15, 49
Driver information dis play
Miles (kilometers) to empty .. .. ... .. 26 Electronic power control
EPC warning/indicator light ......... 22
Parking brake warning ... ... ..... .. 30 Electronic sp
eed limiter ..... .. .... .... 28
D river information sys.tern . .... ...... .. 24 Electronic stabilization program (ESP)
Driver information messages .. .... .. 29 How the system works ...
..... .. .. 212
Fuel filler cap . .. . ........ ....... .. 27 Elec
tronic stabiliza tion program (ESP)
Menu button .... . .. .. .... .... .... . 40 Warning/indicator lights
.... ...... .. 22
Menu display .... ... .... .... . ... .. 39 Emerg
ency flasher ... .... ... .. ....... 82
Open door or rear lid warning ...... . 26 Warning/indicator
lights .... ...... .. 21
Outside temperatu re disp lay ... ..... 25
Emergency locking . .... .... ... .. .. . .. 55
Sound system display .... .... .... .. 25
Emergency starting ..... ....... .. .... 304
Driver's seat memory ... .... .... ..... 101
Emergency towing . .. ... .. .. .... .... 306
Recalling a seat position .... .... ... 102
Engine
Storing a seat position ... ... .... .. 102
4-cylinder (200 hp) . ... .. .. .... .. .. 251
Driving messages ...... ........ ..... . 29
6-cylinder (255 hp) . ... .. .. .... .. .. 252
Driving safely . ... .. . ... .. .... .... ... 146
Compartment .... ... .. ...... .... . 251
Driving time . .... ...... .... ... .. .... . 37 Coolant ...
.. ... .... .... .... ..... 257
Vehicle operation Vehicle care Do-it-yourself service Technical data

Alphabetical index -
-------------=----
Rollover bars
Lowering ... .. .... ....... ...... .. 157
See also Automatic rollover pro tection
system ... .. .... .... .... ... .... 156
Roof, e lectric ... .... .... .... ... .... .. 61
s
SAFE ...... ... .. .... .... ... .... .... . 15
Sa fe driv ing habits . ......... ....... . 146
Safety belt position .. ............. ... 164
Safety belts worn by pregnant women ..
165
Safety belt pretensioner Service and disposal . ..... .. ...... 167
Safety belt warning light .... .... .. 21,159
Sa fety be lts . . . . . . . . . . . . . . . . . . . . . . . . 163
cleaning ... .. ... ... .. ... ..... ... 242
Dange r to passengers who do not wear a
safety belt . . . . . . . . . . . . . . . . . . . . . 161
Fastening ... .... .... .... ... .... . 163
Improper ly worn . .... .... ...... .. 166
Not worn . ...... ........ ......... 161
pre tensioners ... .... .. ... .... .... 166
Safety bel t position .. .... .... .... . 164
Safety instructions ... ..... .. ... .. 162
Securing child safety seats . .... ... 200
Special considerations for pregnant
wom en . .... .... .... ... .... .... 165
Un fast ening . .... ... ..... .. .. ... . 165
Warning /indicator ligh t ..... ..... .. 159
Why YOU MUST wear them ........ 159
Worn properly .. ... ...... ... .... . 162
Safety compliance sticker .. ...... .... 312
Controls and equip­
ment Safety first
Safety equipment
.... ....... .. .. .... 146 Occupants .... .... .... .... ..... .. 148
Safety features for occupant restraint and Rear passengers
... .... ...... .... . 150
pro tection . .... ...... .... ... .. . 146
Seats
Safe ty instructions Manual adjustment controls ........ 93
Eng in e compartm ent .. ... .... .... . 250 Number of seats .. .... .... .... .... 159
for booster seats . ...... .... ...... 198
Selector lever ............ .. . ..... ... 127
for using child safe ty s eats . .... .... 193
Selector lever multitronic ® ......... .. 133
for using convertible child sea ts .... 196
for using infant seats . ........... . 195
for using safety be lts . ...... .... ... 162
Monitoring the Advanced Airbag System
181 Service and
disposal
Safety belt pretensioner .. ..... .. .. 167
Service interval display .... ... .... ... .. 17
Servotron ic
Safety lock Ignition key, Automatic transmission 119
Seat adjustment Driver seat ... ...... ... .. .... ... .. 92
D river's seat memory . .......... .. 101
Front passenger seat . .... .... .... .. 93
Head restraints ................ 98, 151
Lumbar support . ...... ... .... .... . 98 Power steering
...... ............. 217
Setting Date display ............ .. ... ... .. 14
Digital clock ... .. .... .... .... .. .. . 14
Shift buttons .... .... .... ... .... 131, 137
Side airbags Description ... .... .... .. . .... .... 187
How they work .... ...... .... .... . 188
Power seats ... .. ........ .... .... . 96 Ski sack
... .............. ........... 103
Safety guidelines ... ... ....... .... . 92 Snow chains .
.... .... .... ... .... .... 285
Seat cushion extension ..... ... .... 100 Sockets
........... .... ... .. .... 105, 106
Seat belts Soft
top ... .. .... ....... .... .... ..... 61
Why YOU MUST wear them .... ... . 159 Care and cleaning
........ .... .. . . 233
Seat memory ....... ... .... .... .... . 101 Manual
operation ... ...... .... .. .. . 68
Seat position Sound system
Incorrect seat position .... .... .... 151 Replacing
.... .... .... ... .... .... 319
Seating capacity . ... .... .... .... .... 159 Sound system display
S eating position D
river information display . .... ..... 25
Driver .... .... ...... .... ... .. .... 148 Space
-saving spare wheel ... . ........ 292
Front passenger ......... ......... 149 Spare wheel ..
...... .... ... .... .... . 291
How to adjust the front sea ts .. .... . 149
Speed rat ing letter code ... ...... .... . 281
Vehicle operation Vehicle care Do-it-yourself service Technical data