ECU AUDI S3 2009 Workshop Manual

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& WA RNIN G (continu ed )
• Alway s be extremely careful when working on the v ehicle .
Alway s follo w commonly accepted safety pr actice s and general
c ommon sen se . Never risk per sonal inju ry .
• Do n ot attempt any of the m aint enance , check s or rep air s
de scribed on the following pages if you are not fully famili ar with
the se or othe r procedures with respect to the vehicle , or are u ncer­
t a in ho w to pro ceed .
• Do not do any work w ithout the proper tool s and equipment .
Have the necessary work done by your authorized Audi de aler or
anothe r properly equipped and qual ified work shop .
• The engine compartment of any motor vehicle i s a potentially
h azardou s are a. Ne ver rea ch into the are a around or touch the
radiator fan. It is te mperature controlled and can switch on
s uddenly · even when the engine is off and the ignition key has
been remo ved . The radi ator fan switches on automat icall y when
the coolant reaches a certain temperature and will continue to run
until the coolant t emper ature drops .
• Alway s remo ve the ignition key befor e anyone get s under the
v ehi cle .
• Alway s support your vehicle with safety sta nd s if it i s nece s­
sary to work underneath the vehicle . The ja ck supplied with the
vehi cle is not adequate for this p urpo se a nd co uld coll apse
c au sing ser iou s person al in jur y.
• If you m ust w ork under neath the vehi cle with the wheel s on
the ground , alway s make sure the vehicle is on lev el ground , that
the wheels are alway s secu rel y blocked and that the engine
c annot be started .
• Alway s make sure the t ran sm iss ion selector lever (automat ic
tran smi ssion ) is in "P " (Park position ) (automati c transmis sion) or
Neutr al ( ma nual transmission ) and the h and brake i s firmly
appli ed .
Controls and equip­ ment Safety first Vehicle operation
<£' For the sake of the environment
•
Changing the engine settings will adverse ly affect em ission
levels. This is detrimental to the environment and increases fuel
consu mption.
• Always observe environmenta l regulations when disposing of
old engine oil, used brake fluid, d irty engine coolant, spent batteries
or worn out tires .
• Undeployed airbag modules and pretensioners might be classi ­
fied as Perch lorate Material -special handling may apply, see
www.dtsc.ca.gov/hazardouswaste/perchlo rate. When the vehicle or
parts of the restraint system including airbag modules safety be lts
with pretensioners are scrapped, a ll applicable laws and regu la ­
tions must be observed. Your authorized Audi dealer is familiar with
these requirements and we recommend that you have your dea ler
perform this service for you. •
Additional accessories,
modifications and parts replacement
Additional accessories and parts
replacement
Al ways consult an authorized Au di de aler befo re
purchasing accessories.
Your vehicle incorporates the latest safety design features ensuring
a high standard of act ive and passive sa fety.
This safety could be compromised by non -approved changes to the
vehic le . Fo r th is reason, if par ts have t o be re p laced, please observe
the fo llowing points when insta lling additional accessories:
Approved Audi accessories and genuine Audi parts are available
from autho rized Audi dealers . .,_
Vehicle care Do-it-yourself service Tec hn ica l da ta

Alphab eti ca l ind ex -
-------------=----
Convenience close/open feature
Windows . .... .... .... ... ... ..... . 47
Convertible child safety seats
How do I properly install a convertible
ch ild seat in my vehicle? . ...... .. 175
Safety instructions .. ... .... ... .. . 175
Convertible locking retrac tor
Activating ... ... ... .. ... ... .. .... 181
Deactivating .. .... .... ... ... ..... 182
Using to secure a child safety seat 179, 181
Coolant system . .... .... .... .... ... . 232
Cooling System Expansion tank ... ................ 233
Cornering light .... .... .... .... .... .. 55
Cruise contro l ...................... 113
Changing speed .................. 114
Presetting your speed ... .... .... .. 114
Swi tching off .. ...... .... ... .... . 114
Swi tch ing on .. ...... .... ....... . 113
Warning/indicator lights . ... .. .... .. 14
Cup holder .......................... 92
Cup holders front ......... ...... ...... ..... .. 91
Current fuel mileage .... .... ... .. .. .. . 22
D
Damping
See Audi magnetic ride .. .... .. .... 115
Data .. .... ... ... .. .... .... ... .... . 300
Data recorder ....................... 190
Date display ... .. ... ... .... ... .... .... 9
Controls and equip­
ment Safety first
Daytime running lights
.. ... .... .... .. . 54 Driver information system
Daytime running lights (Canada) .. .. ... . 55 Gearshift indicator
..... .. .... .... .. 19
Dec laration of compliance Menu button ..
........ .... ...... .. 25
Ce ll phone package ............... 307 Open door or front lid warning .
.... . 18
Electronic immobilizer ............ 307 Outside temperature display
.... .... 18
Home link® universal remote control 307 Red symbols
...... .... .. . .. .. .... . 28
Remote control key ...... .. .. .... . 307 Setting
... .... .... .... ... .... ..... 26
Tire pressure monit oring system . ... 307 Sound system disp
lay ........ ... .. . 18
Dec laration of conform ity ... .... .... . 268 Trip compu
ter ... .. .... ... .... .... . 22
def yellow symbols .
...... .... .... ..... 29
What does this mean when it appears in Dr
iver seat
t he trip odometer d isplay? .. ...... . 10
See Seating position ... ... .... .... 128
Defective light bulb warning . .......... 33 Driving safely
....................... 126
Defogg ing the windows ... .. .... .... . 10 1 Dup
lica te key . ...... .... ... .... .... .. 35
D efrosting the windows .. ... ..... ... . 101
Defrosting/defogging windows .... .... 104
E
Determining correct load limit . ...... . 252
Elapsed time .. ...... .... ... .... .... . 22
Digita l clock ..... .. .... .... .... ...... . 9
Setting the time ............. ... .. .. 9
Digita l compass . .... ... .... .... .... .. 72 Electrically heated front seats
......... 105
Electro -mechanical power assist . ... 16, 195
Electronic differential lock
Dimensions . ..... ... .... .... .... ... 299
Warning/indica tor lights .... .... .... 16
Dipstick Electronic differential lock (EDU
Reading the dipstick properly ..... . 229
How the system works .... .... .... 191
Direct Shift Gearbox
Emergency release ... .... .... .... 1 23
Distance . .... ... ...... ...... .... .... 23 Elect
ronic immobilizer . ...... .... .. 10, 37
Electro nic power contr ol
EPC warning/indicator light ... .... .. 13
Doors, power locks .. ... .... ..... ... .. 40
Electronic speed limiter ............... 21
Driver information ...... .. .... .... ... . 29
Driver Information System
Menu display . ...... .. .... ..... .. . 23 Electronic Stability Program
...... ... . 190
Electron ic stabil ization program (ESP)
Warning/ind icator lights .... .... .... 13
Emergency flasher Warning/indicator lights .... ...... .. 14
Vehicle operation Vehicle care Do-it-yourself service Technical data

______________________________________________ A_ l_,_ p _h_ a_ b_e _t_i c_ a _ l _in _ d_e _ x __ lll
Rims
Cast alloy ..... .. ... ........ .... . 212
Rep lacing ......... ..... .... . 255 , 257
Steel rims .... ...... ..... ...... .. 211
Roof rack Attachment points with separate roof rack system ... .... .... .. ... ...... ... 89
Loading .. .. ..... .... .... .. . ... ... 91
Mounting locations . ..... ... .... ... 90
Saf e mounting ... .... .... .. . .... .. 88
Roof weight . ... .... ..... .. .... .... .. 91
s
Stronic .. ..... .. .... .... ... .... .... 117
Driving Notes . . . . . . . . . . . . . . . . . . . . 119
Emergency program ..... ... . ... .. 123
Kick -down .. ... ... .. .... ... . ... .. 122
Launch Control Program . .... ..... . 122
Selector lever lock .. ...... .. . .... . 118
Selector lever positions . ..... .... . 117
Tiptronic . .... .... .... ... .... .... 12 1
Tiptronic controls on the steering whe el
122
SAFE ...... ... ......... ....... ...... 10
Safe driving habits .... ..... ... ..... . 126
Safety belt position .... ... .... .... ... 142
Safety belt height adjustment . ..... 144
Safety belts worn by pregnant women .. 143
Safety belt pretensioner ... ...... .. ... 145
Service and disposal . .... ... .. ... . 146
Safety belt warning light .... .... .. 15, 137
Controls and equip­
ment Safety first
Safety bel
ts ... .. .. .. ....... ... . .... 141 Safety lock
cleaning . .... ...... ........ ..... 217 Ignition key , automatic transmission 108
Dange r to passengers who do not wear a
Seat adjustment
safety belt ... .. .. . .... ... .... .. 139
Driver's seat . .... ... .. .. .... .... .. 74
Fastening .. ........ ..... ... .... . 141
Front passenger's seat .... .... .... . 75
height adjustment .... .... .... .... 144
Front seats .. ... ..... .. .. ... ... .. . 74
Improperly worn . .......... .... .. 145
Head restrain ts .. .. ...... ....... .. 131
Not worn . .... ...... ....... .... .. 139
Head restrain ts, front seat .. .... .... 79
Safety belt position ... ...... ...... 142
Lumbar suppor t .. .... .... .... ... .. 78
Safe ty ins tructions . ... .... ... . .. .. 140
Manual controls .. .... .... ... ... ... 75
Securing child safety seats ....... .. 179
Manual seats .... .... .... .... ... .. 76
Special considerations for pregnant Power seat .... ... .... .... .... .... 76
women . .... .... .... .... ... .... 143
Seat belts
Unfastening .. ... .... ...... ..... . 144
Warning /indicato r light ...... .... .. 137
Why YOU MUSTwearthem ... . 137,138
Worn properly ... .... ...... ...... 140
Safety compliance sticker . ..... .... .. 298 Why YOU MUST wear them
.... 137 , 138
See also Safety belts . ... .. .... .... 137
Seating capacity .. . ... .... .... .... .. 137
Seat ing position
Driver ... .. ... ... .... ... . ... .... . 128
Safety equipment ...... ..... .... .... 126
Sa fet y fea tures for occupant r estraint and
protection ... .. .. . ... .... .... .. 126
Safety guidelines Seat adjustment ......... ... .... ... 74 Front passenger .
...... .. . .... .. .. 129
How to adjust the front seats . .. .. . . 129
Incorrect seat position .. ...... .. . . 131
Occupants .. ...... .... .. . .... ... . 128
Rear passengers . ........ . ... .... . 130
Safety instructions Seats
Engine compartm ent . .... ..... ... . 225
Number of seats ........ .. ... ... .. 137
for booster seats . .... ...... ...... 177
for sid e curtain airbags . ..... .. .... 168 Selector lever positions
Automatic transmission ......... .. 117
for using child safety seats . ........ 172
for using convertible child sea ts .... 175
for using infant seats ........... .. 174
for using safety be lts . .... .... .... . 140
Monitoring the Advanced Airbag System Service and disposal
Safety b elt pretensioner ... .... .... 146
Service interval display ... .. .. .... .. . .. 20
Service position for windshield wipers ... 66
160 Set menu
... ...... .. ... ... ..... .. . .. 26
Vehicle operation Vehicle care Do-it-yourself service Technical data

___ A_ l..:,. p _ h_ a_ b_e _t_ic _ a_l _in _ d_e_ x ____________________________________________ _
Setting
Date display . .... ... ... .. ... ... .... 9
Digital clock ........... .... ..... ...
9
Side airbags
Description ... .... .... ... .... ... 163
How they work . . . . . . . . . . . . . . . . . . . 164
Side curtain airbags ...... ....... .... 166
Description . ...... .... .......... 166
How they work . . . . . . . . . . . . . . . . . . . 167
Safety instructions . . . . . . . . . . . . . . . 168
Sk i sack ..................... ....... 87
Snow chains . . . . . . . . . . . . . . . . . . . . . . . 261
Sockets ............. .... .... ... .... 93
Sound system Replacing . .... .... .... ... .... ... 306
Sound system display .... .... .... .... 18
Spare tire . . . . . . . . . . . . . . . . . . . . . . . . . . 271
Spare wheel
See Spa re tire . . . . . . . . . . . . . . . . . . . 271
Speed rating letter code . . . . . . . . . . . . . 257
Speed warning ... .... .... ... .... .... 33
Speed warning system ...... .... .... . 26
Speedometer . . . . . . . . . . . . . . . . . . . . . . . 10
Star ting assistance
4-cylinder engine
6 -cylinder engine
Star ting on hi lls 289
290
Hill hold assis t ........ ....... .... 111
Starting the engine ....... .... .. 108, 109
What should I do if the engine does not
start? . . . . . . . . . . . . . . . . . . . . . . . . . 109
St ee l whe els . . . . . . . . . . . . . . . . . . . . . . . 21 1 Steering
. . . . . . . . . . . . . . . . . . . . . . . . . . . 107
Locking the steering . . . . . . . . . . . . . . 108
See also Electro-mechanical power assis t
16, 195
Steering wheel column Adjusting ..... ... ..... .... .... .. 107
St eps for d eter mining correc t load limit 252
Stopping the engine ................. 109
Storage . .... .... ..... .. .... ..... ... 94
Compartments in the door tr ims .. ... 96
Cup holder rear center armrest ...... 92
G love compartment . ...... .... .... 95
Small objects .......... ....... .... 95
Storage compartment Increasing size ....... .... ... .. .... 83
Sun blind .. ...... .. .. .... .... .... 62, 63
Sun visors .. ...... ....... .... .... ... 62
Sunroof
See panoramic sli din g sunroof ...... 48
Switches Emergency flasher . . . . . . . . . . . . . . . . 58
Switching the air cond itioner (automatic)
on/off ... . ..... ................. 100
Symbols
T
Red symbols in the center display ... 28
Ye llow symbols in the center display . 29
Tachometer .. .... ...... .... ... .. .... . 8
Tailgate
See Rea r lid ... ... .... .... .... .... 42
Technical modifications .. ............ 306 Temperature
Clima te controls .. .... ...... ... .. 101
Setting for the drive r's and front passen-
ger's side ..... ....... ...... .... 101
Tether strap .. .... .... ... .... .... ... 187
Securing the upper tether strap .... 188
The first 1,000 mil es (1,500 km) and
afterwards .... .. .... .... .... ... 197
Tie-downs . . . . . . . . . . . . . . . . . . . . . . 84 , 135
Tips for the environment
Saving fuel .. ...... .... .. .. .... ... 91
Tire pressure ...... .... ......... .... 250
Tire pressure monitoring system ...... 264
Changing wheels ............ ..... 267
Declaration of conformity . ........ 268
Learning process ... .... ...... .... 266
Loss of air pressure . .... ... .. .. 13,265
Malfunctions ... .. .... .... .... .. . 267
Sensors . . . . . . . . . . . . . . . . . . . . . . . . . 257
Storing tire pressures .......... .. . 266
Tires and wheels .. ... .. .. .. ..... . 257
Valves ...... ...... .... ...... .... 257
Warning light ... .. .... .... .... .... 34
Tire service life .... .... ... ..... ... .. 254
Tires ........... ..... ....... ....... 243
Replacing . .... .... .... ...... 255, 257
Service life ...... .... .... .... .... 254
speed rating letter code ... .... .... 257
Tire manufacturing date .... .... ... 257
Tire specif ications ........ .. .... .. 256
Tread depth .. .......... .... ..... 254
Un iform tire quality grading ... .... 259
Winter tires .. ....... .. .. .. .... .. 260