technical data AUDI TT ROADSTER 2008 Service Manual

______________________________________________ A_ l_,_ p _h_ a_ b_e _t_i c_ a _ l _in _ d_e _ x __ lllll
Dimensions ... .. ...... . .... .. .. .... 290 Electronic differential lock (EDU
Dipstick Reading the dipstick properly
Direct Shift Gearbox 224
Emergency release . . . . . . . . . . . . . . . 120
Distance ........ .... ....... ...... ... 40
Driver information system . .... .... ... . 22
Digital speedometer ... .. .... ...... 24
Fuel filler cap ...... ..... .... .... .. 24
Menu button ..................... 28
Menu display ..................... 27
Open door or rear lid warning . ......
24
Outside temperature display .. .... .. 23
Parking brake warning ............. 30
red symbols .. ............. ....... 31
Setting ...... .... ... .... ..... .. .. 28
Sound system disp lay ............ .. 23
Text messages . .... .... .... .... ... 30
Driver seat See Seating position . ............. 130
Driving Run -flat tires . .... .... ....... .... . 258
Dr iving messages ... ..... .. ... .... ... 30
Driving safely . . . . . . . . . . . . . . . . . . . . . . . 128
Driving time ... .... ... ..... .... .... .. 39
Duplicate key .... .... ...... ....... ... 47
Dust filter . ....... .... .... ........ ... 99
E
Electro -mechanical power assist ... 21, 190 How the system works
............ 186
Warning/indicator lights ............ 20
Electronic immobilizer ...... ... .. .. 14, 49
Electronic power cont ro l
EPC warning/indicator light ..... .... 17
Electronic Stability Program .......... 184
Electronic stabilization program (ESP! Warning/indicator lights ........ .... 18
Emergency flasher Warning/ind icator lights .. .... ...... 19
Emergency flashers .................. 75
Emergency locking . ... .... .... ... .. .. 54
Emergency operation Folding top ....................... 64
Rear lid .. .... ....... .... .... .... . 56
Emergency release for selector lever ... 120
Emergency starting ........ ... .... ... 278
Emergency towing .. ............. .. . 281
Engine Cecking and filling locations ... ... . 222
Checking and filling locations ...... 221
Coolant ... .. .... .... ..... .. ... .. 227
Hood . ..... .. ... ... .. .... ..... .. 219
Starting ..................... 106, 107
Starting with jumper cables ........ 278
Stopping .... .... ...... ...... ... . 107
Engine compartment .... ...... ...... 221
Safety instructions ................ 220
Working in the engine compartment 220
Engine coolant sys tem ..... .... ...... 227
Adding coolant .... .... ..... ... ... 228
Checking the engine coolant leve l .. . 228 Radiator fan
... .. .. .. .... .... .... 229
Temperature gauge ................ 13
Engine cooling system Malfunction ... .. .... .... .... ..... 32
Engine data .. ............... .... ... 291
Engine hood Closing .. ... ........ .... ... ..... 220
How to release the hood ... ... ... .. 219
Engine oil . ...... .... .... ... .... .... 222
Adding .... ....... .... ... .... .... 225
Additives .. .... .... ... .... .... ... 225
Changing . .... .... .... ..... ..... . 226
Checking the engine oi l leve l ... .... 224
Indications and conditions requiring extra checking .... .... .... .... .... ... 224
Oil consumption . ...... ..... .. .... 224
Oil grades . ....... .... .... ....... 222
Pressure malfunction .............. 33
Recommended oil check intervals ... 224
Specification and viscosity ......... 222
Engine oi l leve l .. .... .... ... .... .... . 35
Engine oil sensor defective .... ...... .. 35
Environment Break-in period ..... .. ... .... .... . 192
Catalytic converter .......... ... .. . 193
Disposing of your vehic le battery .. . 231
Driving at high speeds . ...... .... . 194
Dr iving to minim ize pollution and noise .
194
Fuel .. .... .... .... ... .... .... ... 216
Fuel economy ......... ........ ... 194
Leakage from your vehicle . .... .... 220
Letting the vehicle stand and warm up ..
195
Controls and equip­ ment Safety first Vehicle operation
Vehicle care Do-it-yourself service Technical data

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Heated
front seats (climate control) .... .... 104
rear window ...... ....... ..... ... 103
Heated outside mirrors ... .. .... .... .. 83
Heated seats .................. .... . 104
Seats ...... ...... .... ........ ... 104
Heated washer jets
Wiper and washer system . ......... 78
Heating .. .... ... .... .... ......... ... 98
High beam ...... ................. 69, 76
Warning/indicator lights ... ... .... .. 18
High voltage warning label ........... 288
Homelink® ... .. .... .... ........... 121
Homelink® universal remote control ... 121
Hood Opening .. ............... ... .... 219
Release lever .................... 219
Horn ......... ... .. .... .... ...... ... 11
How many airbags does my vehicle have? . .
153
How often should I check my tire pressures?
245
How safety belt tensioners work .... ... 144
Hydroplaning ........ .... .... .... ... 249
I
Igni tion key 106
Ignition lock ...... ...... .... ...... .. 106
Ignition lock positions ............... 106
Immobili zer ... ............. ..... ... . 14
Important things to do before driving .. 128
Controls and equip­
ment Safety first
Improperly
worn safety belts ... .. ... .. 144 K
Indicator light
Airbag system ........ .... .... ... 157 Key .....
........ ........ ...... ... .. . 47
Audi magnetic ride ................ 17 Battery replacement ......
.... .... . 49
PASSENGER AIR BAG OFF ... ....... 157 Conven
ience opening and closing of pow-
Indicator lights .. ...... .... .... ...... 16
Infant seats ........ ...... ... .... ... 173
How do I properly insta ll an infant seat in
my vehicle? ....... ...... ....... 173
Safety instructions ......... ....... 173
Inside rearview mirror ......... ...... . 82
Installing child safety seats
Safety belts ...................... 177
Instrument cluster and controls . ...... . 12
Instrument panel
Illumination ......... ............. 74
Ins truments and controls
Genera l il lustration ................ 11
Interior lights ....... ..... ....... .... . 77 er top
... .... .... ... ............ 63
Convenience opening and closing of windows ............ .... ........ 58
Emergency key .. ...... ............ 47
Key replacement ......... .... ..... 47
Master key . ...... .... ...... .... .. 47
Valet key ... .. .... .... .... .... .... 47
Key less entry remote contro l .......... . 48
Kick-down Automatic transmission ........... 117
Knee airbags ........ ... .... ........ 161
Description . ...... .... ....... .... 161
How they work ................... 163
Important safety instructions ... .... 163
Luggage compartment .. ....... .... 77
L
J Launch Control Program ............. 117
Jump start location ........... ... .... 279
Jump starting ...................... 279
Jumper cables ... ..... ...... .... .... 279
Jump-starting . ........ .... ... .. .... 278 Leather ...
... .... ....... .... ...... . 209
Cleaning ...... .... ..... .. .... ... 210
Leaving -home-function ................ 73
Lifting jack ......................... 269
Lift ing vehicle .... .................. 283
Light sensor defective ........... ...... 36
Light sensor package Automatic headlight control .. ....... 70
Vehicle operation Vehicle care Do-it-yourself service Technical data

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Pass-through .. ..... .... ... .... .... .. 93 Proper safety belt position . ... .. ...... 142 Remote control ....... ... .. .. ... .. ... 48
Pedals ...... .... ... ........ .... .... 134 Proper seating position Resetting remote control ...... ... .. 52
Physical principles of a frontal collision 138
Polishing ...... .... .... ....... .... . 204
Pollen filter ......................... 99
Pollutant filter .. .... .... .... .... ... .. 99
Power locking switch ........... .... .. 53
Power locking system ... .... .... .... .. 50
Convenience close/open feature .... . 58
Locking and unlocking the vehicle from
inside .. .. .. .... .... ... .... .... . 53
Opening and closing the windows ... 58
Rear lid/trunk lid ..... .... .... .... . 55
Remote control ...... .... .... ... .. 48
Unlocking and locking vehicle . .... .. 51
Power seats
Adjusting the seatback ....... .... .. 91
Adjustment .. .... .... .... ...... ... 89
Power steering
See Electro -mechanical power assist 21,
190
Power top
Care and cleaning . ....... .... .... 203
Convenience close/open feature ... .. 63
Convenience opening/closing ... .... 63
Power window switches ...... ...... ... 57
Reactivating the system .... .... .... 59
Pregnant women
Special cons iderations when wearing a
safety belt . .... .... .... ... .... . 143 Front
passenger . ...... ........... 131
Occupants .. ...... ...... ... .. .... 130
a
Quartz clock .. ...... ..... .. .... .... .. 13
quattro®
See All Wheel Drive ............... 191
Question
R
What happens to unbelted occupants? .
139
Why safety belts? ... .. .... .... .... 137
Radiator fan .... .... ..... .. .... .... . 229
Rain sensor defective ................. 36
Reading lights ... ... ..... ... .... .... . 77
Rear lid ........ ....... ...... .... .... 55
Emergency release ......... ...... . 56
Rear light
Defective . ................... .... . 36
Rear spoiler . .... .... ....... ........ 187
Rear window defoggeir ............... 103
Rearview mirror Inside rearview mirror .. .... .... ... . 82
See also Mirrors ........... ....... . 82
Red symbols . ... .... .... .... .... ... . 31
Programming the Homelink® universal re- Refuelling ............... .... .... ... 216
mote contro l ... .... .... ... .... . 121 Release lever for hood .. .... .... .... . 219
Proper occupant seating positions .. ... 130 Remote
control garage door opener
(Homelink®l .... .... .... .... ... 121
Remote control key Unlocking and locking ..... .... .... . 51
Remo te master key
Battery replacement ...... .... .... . 48
Check light .. ....... .. ...... ...... 48
Remote rear lid release .... ... .. ...... . 55
Repair manuals ...... .... .... .... ... 294
Repairs Airbag system ................... 160
Replacement parts ... .... ... .... .... 296
Replacing Wheel rims .... .... ... ....... 249, 251
Replacing a fuse .. ...... .... .... .... 273
Replacing light bulbs .. ... .. . .... .. . . 277
Replacing tires and wheels ...... ..... 250
Reporting safety defects .. ... .... 136, 293
Reset button . .... ........ .... ... .... . 14
Resetting remote control ......... .... . 52
Retractor .......... .. .... ...... .... . 141
Reverse Automatic transmission .... ... .... 115
Rims Cas t alloy ..... .... .... .... .... ... 207
Replacing .... .... ....... ... . 249, 251
Stee l rims . .... ... .... ...... ... .. 206
Controls and equip­
ment Safety first Vehicle operation
Vehicle care Do-it-yourself service Technical data

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Sound system display
Driver info rma tion system .... .... .. 23
Speed rating letter code ........... ... 251
Speed warning 1 . .... ...... ... .. .... . 35
Sp eed warning 2 . .... .... ... ... ... .. . 35
Speed warning system ... .... .. .. .... . 37
Speedometer . . . . . . . . . . . . . . . . . . . . . . . . 14
Starting assistance ...... .... ...... .. 279
Starting the engine .. .... .... ... . 106, 107
What should I do if the engine does not
star t? ........ .... .... ... .. ... . 10 7
Stee l wheels .... ....... .... .. . ..... 206
Steering
See Electro-mechanical power assist 21,
190
Steering co lumn
Adjusting .... ... .... .... ...... .. 105
Locking the steering ... .. .... .... . 106
Steps fo r determining co rrect load limit 247
Stopping the engine ...... ....... .... 107
Storage . .... .... .... .... ... .... .... . 95
Compartment in the front seats . .... 96
Cup holder ... .... .... ......... ... 94
Glove compartment ...... .... .... .. 96
Sun visors .. .. .. ..... ... ..... .. ..... 77
Switches Emergency flasher ..... .. .... .... .. 75
T
Tachometer ... .. .... .... ... .... .... . 12
Tank flap
Un locking the fuel filler flap by hand 218
Controls and equip­
ment Safety first
Technical
modifications ..... .... ..... 297 Tires and wheels
Tempera ture ............ ... .... .... 100 Checking tire pressure .
.... ...... . 244
The firs t 1,000 miles ( 1,500 kml and Co
ld tire inflation pressure . ... ... .. 242
afterwards ... .. .. .. .... .... .... 192 Dimensions
.. ... .... ... .. .... .... 249
Tightening whee l bolts ... .... .... .... 267 General
notes ...... ... .... ...... . 238
Tire mobility system .... ....... .... .. 263
Tire pressure .... .. ...... .... ....... 244 G
lossary of tire and loading terminology
239
New tires and wh eels . ....... .... . 249
Tire pressure monitor ing system ...... . 42
Changing wheels ........... .... ... 44
Declaration of conform ity . .... .... .. 45
Learning process . ..... ... .... .... . 44
Loss of air pressure ........... .. 17, 43
Malfunctions ... .. .... .... .... ... . 45
Sensors ........... ... .... ....... 251
Storing tire pressures ............. . 44
Tires and wheels ...... .... .... ... 251
Valves ....... .... .... .... .... ... 25 1
Warning light ..... .. .... .... .... .. 37
Tire repair kit ... ... ...... .... .... ... 263
Tire service life ........ .... ... .... .. 248
Tires .... .. . ... ... ................. 238
Replacing .... .... .... .... ... 249, 251
run -flat .. .... ... .... .... .... .... 257
S ervice lif e ..... .... ... .. .... .... 248
speed ra ting let ter code ..... .. ... . 251
Tire manufacturing date . .... ...... 251 Replacing
..... .. .... .... ..... .. . 250
Snow chains ...... .... .. . .. .. .... 255
Ti re pressure monitoring system .... 251
Tires and vehicle load limits ... .... . 246
Wheel bo lts ... .... .... ... .... .... 256
Winter tires ... .... .... ....... .. .. 254
Ti res/Wheels
Low aspect ratio tires . .... ...... .. 256
Tire mob ility system ..... .. .... ... 263
Tire pressure mon itoring system .. 17, 42
Tire repair kit ................ .... 263
Tool kit ..... .... ... .. .... .. .... .... 262
Touch -up paint ... .. .... .... .... .... 205
Towing Front eyelet ... ... ..... ... .... .... 281
Rear eyelet ... .... .... .... ....... 282
Tow truck procedures .. ...... .... . 281
Trailer towing .......... .. ...... .... . 196
Tire specifica tions . ...... ... .... .. 250 Transmission
Tread depth ..... .... ...... .. .... 248 6
-speed manua l transmission ...... 113
Uniform tire quality grading ... ..... 253 S tronic transm
ission ............. 113
Winter tires .... .... ... .... ....... 254 Transport Canada
........ .. .. ....... 293
Tires and vehicle load limits ... ....... 246 Tread
Wear Indicator (TWI) ... .... .... . 248
Vehicle operation Vehicle care Do-it-yourself service Technical data

Alphabetical index -
-------------=----
Where can I find the tire pressures for my X
car? ...... .. .... .... ......... .. 244
Why safety belts? ............... 137, 138 Xenon-Lights ....... .... ...... ...... 277
Wind deflector .... .... ... .. .... ...... 64
Cleaning .. ...................... 203
Y
Windows
Cleaning 205
Convenience close/open feature .. ... 58
Defrost . . . . . . . . . . . . . . . . . . . . . . . . . 101
Windshield washer fluid Low level ... .. .... .... ......... ... 35
Windshield wipers Installing new wiper blades ....... .. 81
Service position ................... 80
Washer fluid reservoir ............ . 236
Winter operation
Batt ery .......................... 231
Coolant system .................. 227
Defrosting windows .. ........... . 101
Heated seats (climate control) ...... 104
Tires ...... .... ... .. ............ 191
Windows ........................ 205
Winter tires .. ... ..... ... .... ..... .. 254
All-wheel drive ................... 254
Wiper and washer system ............ . 78
Intermittent wiping ... .... .... .... . 78
One -tap wiping .......... .... .... . 78
Wiper blades Installing new wiper b lades ......... 81
Worn brake pads .... .... .... ..... .... 35
Controls and equip­
ment Safety first
Yellow symbols ..
..... ... ... .... .... . 34
Vehicle operation Vehicle care Do-it-yourself service Technical data