sensor AUDI S3 2009 Service Manual

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A
ABS
See Anti-lock brake system
ABS (Anti-lock brake system) 194
Wa rning/indicato r lights .. ... .... .. 16
Accessori es . . . . . . . . . . . . . . . . . . . . . . . . 305
Adapter for anti-theft wheel bo lts . . . . . 275
Adaptive Light Air conditioning
Switching on and off
Air distribution 101
Climate controls .. ...... .... ... .. 103
Air outlets
Adjusting the outlets for rapid Side airbags
... .... .... ... .. ..... 163
Side curtain airbags ....... .... .. . 166
When must the system be inspected? ...
158
All Whee l Drive . ...... .... .......... 196
Alloy wheels ....... ... .... ...... ... 212
defrosting/defogging .... .... ... .
104 All -whe el drive
Climate controls .. .... .... .... ... 104
Winter tires ... ... ... .. ...... .... 260
Air quality sensor . . . . . . . . . . . . . . . . . . . 102
Alternator
defective ....................... . 34 Air recirculation
....... .. .... ....... 103
See Generator . . . . . . . . . . . . . . . . . . . . 14
Adaptive light . . . . . . . . . . . . . . . . . . . . . . . 55
Adding Engine coolant ... .... .... ....... 234
Engine oil . ................... ... 230
Windshield washer fluid .... ...... 241
Additiona l accessories .... ...... ... .. 305
Additives Engine oil .... .... ... ... ... .. .... 230
Adjustable steering whee l column ..... 107
Adjusting Steering wheel column .... ... .... 107
Adjusting front seats ............. ... . 74
Advanced Airbag System Children . ... .. .... .... ..... ..... 170
Components ...... .... ......... . 154
Front airbags ......... .... ....... 152
How the components work together 155
Monitoring . . . . . . . . . . . . . . . . . . . . . . 158
PASSENGER AIR BAG OFF ligh t .. ... 159
W eight -sensing mat .. .. .. .... .... 170
Air conditioner . . . . . . . . . . . . . . . . . . . . . 101
See also Climate controls . . . . . . . . . . . 98 Climate controls
.... . ......... ... 102
When should I use the air recirculation?
102
Air r ecirculation mode
Clima te controls .. ...... .... ... . . 102
Airbag Warning /indicator lights ....... .... 14
Airbag system .... .... .... .... .. 147, 164
Advanced Airbag System .......... 151
Care . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161
Child restraints .. ... ... .... .... .. 171
Components (front airbags) ..... ... 154
Danger of fitting a chi ld safety seat on the
front passenger seat . .... .... ... 149
Disposal . .... .... ...... .... ... .. 161
Front airbags . ... .. ..... ... .. ... . 151 Aluminum alloy wheels
...... .... .... 212
Amb ient lighting .. ... .... .... .... .... 61
Anti-glare inside day-night mirror .... .. 69
An ti-lock brake system
How the ABS system works ........ 194
Anti -lock brake system (ABS )
Warning /indicator lights ... .... .... . 16
Anti-Slip Regulation System (ASR) How the system works . . . . . . . . . . . . 192
An ti-theft sys tems
An ti-Theft Alarm System .. . .. .. .... 45
Anti -theft wheel bolts ..... .... .... ... 275
Armrest Center armrest ....... .. .. .. ..... .. 81
Rear armrest ................. .. .. 82
How do the front ai rrbags work? . . . . 156 Ashtray
How many airbags does my vehicle have?
154
Important things to know . ... .. ... 147
Indicator ligh t .... ... .. ..... .. ... 158
Monitoring . . . . . . . . . . . . . . . . . . . . . . 158
Repairs . . . . . . . . . . . . . . . . . . . . . . . . . 161 Rea
r .... ... .. .. ... ... .. .. ... ... .. 93
ASR How the Anti -Slip Regulation System
works ... .... .... .... ... .... ... 192

-Al
phab eti ca l ind ex
_.:_.__ ____ _...::.:...::..;.:___ ________________ _
Emergency flashers . . . . . . . . . . . . . . . . . . 58
Eme rgency operation
panoramic sliding sunroof . .... ..... 49
Rear lid . .... ... .. .... .... ...... .. 43
Emergency release for selector lever . . . 123
Emergency starting . . . . . . . . . . . . . . . . . 287
Emergency towing . . . . . . . . . . . . . . . . . . 292
Engine 4-cylinder (200 hp) ..... ... .... ... 226
6 -cylinder (250 hp) ............... 227
Coolant .......... .... ....... .... 232
Hood .... ... .. ...... .... ... .... . 224
Starting .... .... .... .... .... 108, 109
Starting with jumper cables ...... . 287
Stopping ... .... .... .... ........ 109
E . ngine compartment . .... .... .... .. .
Safety instructions ...... .... .... .
226
225
Working in the engine compar tment 225
Engine coolant system .............. 232
Adding coolant .... .... .......... 234
Checking coolant level .... .... .... 233
Checking the engine coolant leve l .. 233
Radiator fan . . . . . . . . . . . . . . . . . . . . . 235
Engine coolant temperature
Gauge .............. .............. 9
Engine cooling system
Malfunction ...... .... ....... .... . 30
E . d ngine ata ...... .... ........... .. . 300
Engine hood Closing ......................... 225
Release lever . ............... .... 224
R I . d . e easing an opening .... ... ... .. 224 Engine
oil .... ...... ........ ... .... . 227
Adding ...... ... .. .... .... ...... 230
Additives ....................... 230
Changing .. ............. ........ 231
Check ing the engine oil level .... ... 229
Indications and conditions requiring extra checking .......... ...... ...... 229
Oil consumption ................. 229
Oil grades . .... ...... ... .. .... ... 227
Recommended oil check intervals .. 229
Specification and viscosity ........ 227
Engine oil level ... ..... .. ...... ...... 32
Engine oil pressure (malfunction) ... .. . 31
Engine oil sensor defective ............ 32
Engine speed limitation .. .... .... .... . 32
Environment
B k. . d
rea -in peno .... .... .... .... . . 197
Catalytic converter . . . . . . . . . . . . . . . 198
Disposing of your vehic le battery ... 237
Driving at high speeds . . . . . . . . . . . . 199
Driving to minimize pollution and noise .
199
Fuel ............................ 221
Fuel economy . . . . . . . . . . . . . . . . . . . 199
Leaks under your vehicle . .... ..... 225
Letting the vehicle stand and warm up ..
200
Proper disposal of drained brake fluid
236
Proper disposa l of
di ra ined engine
coo lant .. .... ... .... .... .... ... 234
Proper disposa l of drained engine oil
230,231
Recycling used engine oil .. .... ... 230 Unleaded fuel
...... ... .. ... .... . 219
What should I do with an old battery?
237
EPC
See Electronic power control . . . . . . . . 13
ESP
See Electronic Stability Program .... 190
Event Data Recorder (EDR) ... .... .... . 190
Expans ion tank 233
F
Fahrenheit
Switching between Fahrenheit and Centigrade . .... .. ... ... .... .... 103
Fan Adjusting the fan speed .. .... .. .. . 103
Cl imate controls ...... ...... .... . 103
Radiator .... .... .... ... .. .... .. . 235
Fastening eyes ... ........ .... .... ... 84
Flat tire Changing ....................... 272
Floor mats . ....... ..... ... .... .... . 132
Fog lights, front ...... .... ... ... ... .. 56
Folding master key with remote control . 35
Foot pedals . ... .. .... .... ...... .... 132
For the sake of the environment
Gasoline fumes and the environment 221
Letting your engine warm up . ..... . 109
Reducing engine noise by upshifting
early ... .. .... .... ... .... .... .. 8, 9
Refueling .. ........... ........ .. 221

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I
Ignition key 108
Ignition lock ...... ...... .... ...... . 108
Ignition lock posit ions ............... 108
Immobilizer .. .... .... ....... .... .... 10
Important things to do before driving . . 127
Im properly worn safety belts . . . . . . . . . 145
Indicator light
Airbag system . . . . . . . . . . . . . . . 158 , 159
Audi magnetic ride ................ 12
PASSENGER AIR BAG OFF ......... 159
Indicator lights ........... ...... ... 8, 11
Red symbols in the center display . .. 28
Ye llow symbols in the center display . 29
lnfantseats . ........... .... .... .... 174
How do I properly install an infant seat in
my vehicle? .................... 174
Safety instructions ............... 174
Inside rear view mirror .... ... .... ..... 69
Inspection interval ................... 20
Installing child safety seats Safety belts . . . . . . . . . . . . . . . . . . . . . 179
Instrument pane l
I llum ination ........ ... .. .... .... . 57
Instrument pane l and controls .......... 8
Instruments and controls General illustration ........... .... .. 7
Interior light
Rear ................. ........ ... 61
Interior lights ....... ........... .... . 60
Ambient lighting .................. 61
Luggage compartment ............. 62
J
Jack and tools ...................... 270
Jump start location Jump starting (6 -cyl. engine) ....... 290
Jump starting 4-cylinder engine ...... .... .... ... 289
6 -cylinder -engine .... .... ... .. ... 290
Jumper cables .... .... .... .... .... .. 289
Jump -starting 287
K
Key ......... ............ .... ... .... 35
Battery replacement . . . . . . . . . . . . . . . 37
Coded settings .................. 105
Convenience opening and closing of
windows .......... ...... .... ... 47
Key replacement . . . . . . . . . . . . . . . . . . 35
Master key . . . . . . . . . . . . . . . . . . . . . . . 35
Valet key . . . . . . . . . . . . . . . . . . . . . . . . . 35
Key-coded settings Climate controls ...... .... ..... .. 105
Kick-down Automatic transmission 122
L
LATCH 184
Description .......... .......... .. 184
Installing a child restraint ...... ... 185
Location . . . . . . . . . . . . . . . . . . . . . . . . 184
Mounting and releasing the anchorage
hook ...... ............... ..... 186 Launch
Control Program ...... .... ... 122
Leather ...... .... .... .... ...... ... . 214
Cleaning ..................... ... 215
Leaving-home-function .... ... .... .... 56
Lifting jack ... .... .... .... ... .... ... 276
Lifting points ... .. .... .... .... .... .. 295
Lifting/raising the vehicle . ... ... .... . 295
Light sensor package
Automatic headlight control ........ 53
Light/rain sensor defective .. ...... .... 34
Lights Bi-Xenon headlights ....... .... .... 58
Coming-home/ leaving-home-function 56
Emergency flasher .... ........ .... 58
Front fog lights ................... 56
Headlights .... .... ....... .... .... 52
High beam ..... .. .... .... ..... 52, 59
High beam warning/indicator light .. . 14
Instrument panel illumination . ...... 57
Side marker lights ...... ........... 52
Turn signals . ...... .... ...... ... .. 59
Loading the luggage compartment .... 133
Loading the roof rack . ............ .... 9 1
Locking Manual back-up .. ............. .... 44
Power locking switch ...... .... .... 41
Rear lid ..... ...... .... ........... 42
Remote control ................... 39
Using the fold -out key ............. 40
Lower anchorage locator button ...... 184
Lower universal anchorage bars (Canada) ...
184
Lower universal anchorages (Canada) .. 184

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Passive safety system . . . . . . . . . . . . . . . 126
Pedals . .... ... .. .... .... .... ...... 132
Physical p rinciples of a frontal collision 138
Polish ing ... ... ... .. ... .... .... .... 209
Power locking switch .. ... .... ...... .. 41
Rear center console ... ........ .... 42
Power locking system . . . . . . . . . . . . . . . . 37
Convenience close/open feature .. ... 47
Locking and unlocking the vehicle from inside ... .... ... .... .... ..... .. . 41
Opening and closing the windows .. . 47
Operating locks from with k ey . ..... 40
Rear lid .. .. .. .. .. .... .... ...... .. 42
Remo te control . . . . . . . . . . . . . . . . 36, 39
Un locking and locking vehicle .. ... .. 39
Power outlets . . . . . . . . . . . . . . . . . . . . . . . 93
Power seat Adjusting the seatback ..... ........ 77
Adjustment . ...... .... .... ... .... 76
Power steering
See Electro-mechanical power assist . 16 ,
195
Power sunroof
See panoramic sliding sunroof .... .. 48
Power window switches . . . . . . . . . . . . . . 46
In the driver's door ................ 46
Reactivating the system . . . . . . . . . . . . 48
Pregnant wom en
Special considerations when wearing a safety belt . . . . . . . . . . . . . . . . . . . . . 143
Proper occupant sea ting posi tions .... 128
Proper safety belt position . . . . . . . . . . . 142 Proper seating position
Front passenger . . . . . . . . . . . . . . . . . 129
Occupants .... ...... .... ... .. ... 128
Rear passengers 130
a
Quartz clock ...... ..... .. .... .... .... . 9
quattro®
See All Wheel Drive . . . . . . . . . . . . . . . 196
Question
R
What happens to unbelted occupants? ..
139
Why safety belts? . . . . . . . . . . . . . . . . 137
Radiato r fan . .... .... ...... .... .... . 235
Radio Replacing . .... ... .... .... .... ... 306
Rain sensor defective ... ... .... ... .... 34
Reading light
Rea r ..... ..... ...... .... .... .... . 61
Reading lights
Front ..... ..... ... .... ... .... .... 60
Rea r ... ... .... ... ... .. ...... ..... 60
Rear armrest .... ... .. .... .. .. ... .... 82
Rea r ashtray . .... ...... .... ... .. .... 93
Rear lid
Emergency release .... .... .... .... 43
Lock ing/unlocking . ... .. ....... ... . 42
Rear light defective . . . . . . . . . . . . . . . . . . 33
Rear power locking switch ... .... .... . 42 Rear seat bottom
...... .. .... .... .. . . 83
Rear view mirror
Inside rear view mirror ............ . 69
Rear window defogger with air-conditioning ... ... .. ..... 105
Refuelling ....... .... .... ...... ..... 221
Release lever for engine hood ..... .... 224
Remo te con trol . ...... .. .. ... ..... .. . 36
Resetting remote control ... .... .... 40
Un locking and locking . .... .... ... . 39
Remote mast er key
Ba ttery replacement ............... 36
Check light .... .... .... ..... .. ... . 36
Repair manuals ... .... ... .... .... .. . 303
Repairs Airbag system .... .... .... .... ... 161
Replacing Wheel rims . ... .... .... .... .. 255, 257
Replacing a fuse ... ... ....... .... ... 280
Replacing a sound system . .... .... ... 306
Replacing light bulbs . ...... .. .... ... 285
Replacing tires and wheels ........... 256
Reporting Safety Defects .. ....... 135, 136
Reset but ton . . . . . . . . . . . . . . . . . . . . . . . . 10
Resetting remote control ...... .... .... 40
Retractor . . . . . . . . . . . . . . . . . . . . . . . . . . 141
Reverse Automatic transmission .... .... .. . 117
Reversible cargo area floo r ........ .... 87

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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