2008 AUDI S8 tow

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re liabi lity . For detailed vehicle maintenance consult your Warranty &
Maintenance book le t.
Und er diff icult oper ating conditi ons, for example at extreme ly low
outside temperatures, in very dusty regions, when towing a trailer
very frequently, etc ., some serv ice work shou ld be performed
between the intervals specified. This applies particu lar ly to :
• oil changes, and
• cleaning or replacing the air filter.
c£> For the sake of the environment
By regularly maintaining your vehicle, you help make sure that emis ­
sion s tandards are maintained, thus minimizing adverse e ffec ts on
the environment. •
Important considerations for you and your
vehicle
The increasing use of electronics, sophisticated fue l injection and
emission contro l systems, and the genera lly increasing techn ica l
complexity of today's automobiles, have steadily reduced the scope
of maintenance and repairs which can be carr ied out by veh ic le
owners.
Also , safet y and env ironmental concerns p lace very strict
l im its on the nature of repairs a nd adjustmen ts t o engine and trans ­
mission parts which an owner can perform.
Maintenance, adjustments and repairs usually require special tools,
testing devices and other equipment availab le to spec ia lly trained
workshop personne l in order to assure proper performance, reli ­
abil ity and sa fety of the vehicle a nd its many systems.
I mproper maintenance, adjustments and repairs can impair the
operat ion a nd rel iabil ity of your vehicle and even vo id your vehicle
warranty. Therefore , proof of servicing in accordance with the main ­
t enance sched ule may be a cond ition fo r uphold ing a p ossi ble
warranty claim made within the warranty period.
Controls and equip­ ment Safety first Vehicle operation
Above all, operational safety can be adverse
ly affected, creating
unnecessary risks for you a nd yo ur passengers .
If in doubt about any servicing, have it done by your authorized Audi
dea ler or any other properly equipped and qualified workshop. We
strongly urge you to give your authorized Audi dea ler the opportu ­
nity to perform all scheduled maintenance and necessary repairs.
Your dealer has the fac ilities, origina l parts and trained spec ialists
to keep your vehic le running proper ly.
P e rforming limited maintenan ce yourself
The following pages describe a limited number of procedures which
ca n be performed on your vehicle with ord inary tools, should the
need arise and trained personne l be unavailab le. Before performing
any of these procedures, a lways t hor oughly read all o f the app li­
cable text and carefu lly fo llow the instruct ions given. Always rigor ­
ously observe t he
WARNINGS provided .
Before you che ck anything in the engine comp artment , alwa ys re ad
and heed all
WARNING S=> & and => & in "Working in the engine
compartment" on
page 307.
& WARNING
• Serious personal injury may occur a s a result of imprope rly
performed maintenance , adju stments or repair s.
• Always be e xtremely careful when working on the vehi cle .
Always follow commonly accepted safety practice s and general
c ommon sen se . Ne ver risk per sonal injur y.
• Do not attempt any of the maintenance , checks or repairs
de scribed on the following pages if you are not fully familiar with
these or other pro cedures with re spe ct to the vehicle , or are uncer ­
tain how to pro ceed .
• Do not do any work without the proper tools and equipment.
Have the ne ce ssary work done by your authorized Audi dealer or
another properly equipped and qualified workshop .
~
Vehicle care Do-it-yourself service Technical data

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A
Accessories . . . . . . . . . . . . . . . . . . . . . . . . 382
Adaptive Air Suspension ....... .. .... 185
automatic mode .. .... .... .... ... 186
Description ... .... .... .......... 185
dynamic mode ................... 186
Jacking mode when changing a flat tire .
188
lift mode . . . . . . . . . . . . . . . . . . . . . . . . 186
Setting the driving modes .. .... ... 188
Sport Chassis Controls . . . . . . . . . . . . 187
standard mode ... .... .... ...... . 186
Trailer towing mode ... .... .... ... 189
Warning/indicator lights .. ... ... 20, 21
Adaptive Cruise Control .............. 139
Changing speed ...... .... ...... . 142
Driver information ............... 144
Drivingintraffic .. .... .... ...... . 140
Error messages . . . . . . . . . . . . . . . . . . 147
Open road . . . . . . . . . . . . . . . . . . . . . . 140
Override ........ ... .. ...... .... . 140
Request for driver to assume control 140
Save speed . . . . . . . . . . . . . . . . . . . . . . 141
Setting distance . . . . . . . . . . . . . . . . . 143
Setting time interval . ... .. .... .... 143
Settings . . . . . . . . . . . . . . . . . . . . . . . . 148
Specia l driving situations . ....... . 149
Status messages ................. 147
Switching on and off ... .. .... ... . 141
System limits ...... .... .... ... ... 149
T emporarily turning off ....... .... 142
warning/indicator lights ... .... .... 145 Adaptive
Light .......... .... .... .... . 72
defective ......................... 36
Adding Engine coolant ................... 316
Engine oil . .... .... .... ... .... ... 312
Windshield washer fluid .... .... ... 323
Additiona l accessories .......... ..... 382
Additives Engine oil ... .. ...... ....... ..... 312
Adjustable steering co lumn .. .... .... 128
Adjusting Front seats . . . . . . . . . . . . . . . . . . . . . . . 86
Instrument cluster i llumination ...... 15
Steering column ................. 128
Advanced Key ....................... 59
Driver's messages . . . . . . . . . . . . . . . . 133
Locking the vehicle .. ...... .... .... 60
START button ................... 131
Starting the engine ............... 131
STOP button . . . . . . . . . . . . . . . . . . . . . 132
Stopp ing the engine ......... ..... 132
Switching on the ignition .......... 131
Unlocking the vehicle . .......... ... 60
Advanced Parking System with rear view
camera
Adjusting the chimes -option 1 .... 180
Adjusting the chimes - option 2 .... 181
front and back with visual display and
r ear-view camera . . . . . . . . . . . . . . . 170
General information ... .... ....... 170
Not es on distance information ..... 179
Parking next to obstac les . . . . . . . . . . 178
Rear -view camera -parking mode 1 . 175 Rear-view
camera -parking mode 2 . 176
Rear-view camera (Rear View) ...... 173
Rear-view camera coverage area .... 174
Rear-view camera tips ............ 183
Specia l parking situations .. .... ... 178
Switching the rear-view camera on and
off .. .... .... ...... ... .. .... ... 182
switching the visua l display on and off ..
182
System error message ............ 183
Towing hitch ...... .... ...... .... 180
Air conditioning
See Cl imate controls .... ... .... ... 114
Airbag system .... .... .... ...... 218, 238
Advanced Airbag System ...... .... 222
Advanced Airbag System components ...
225
Care ............................ 232
Child restraints ................ .. 245
Children ... .... .... ... ........ .. 244
Components (front airbags) . ...... . 225
Dang er of fitting a child seat on the front
passenger seat .. ....... .. .... .. 220
Disposal . ...... ..... .. .... .... .. 232
Fron t airbags ...... .... .... .. 222, 223
How do the front airbags work? . ... 227
How many airbags does my vehicle have?
225
How the Advanced Airbag System compo -
nents work together ... .... ...... 226
Impor tant safety instructions on the knee
airbag system .................. 236
Impor tant things to know .. .... .... 218
Indicat or light ........ ........... 229

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Driver's seat memory . . . . . . . . . . . . . . . . . 94
Activating remote contro l key .. ... .. 95
Recalling a seat position ...... .... . 94
Storing a seat position ............. 94
Driving messages .................... 29
Dr ivingsafely .... .... .... ...... .... 198
Driving time .... ... .. .... .... ...... .. 38
Dup licate key ......... ............... 47
DVD p layer for navigation system . . . . . 112
E
Easy entry feature 129
Electromechanica l parking brake
Emergency braking ............... 136
Malfunction ........ .... .... .... . 136
Operation . . . . . . . . . . . . . . . . . . . . . . . 134
Parking . . . . . . . . . . . . . . . . . . . . . . . . . 135
Re leasing and app lying .... .... ... 134
Starting
off with a trailer . ...... ... 136
Warning/indicator lights ........... 22
Electronic differential lock (EDU
How the system works . . . . . . . . . . . . 269
Warning/indicator lights ........... 21
Electronic immobilizer .. ...... ..... 14, 49
Electron ic power contro l
(EPC) warning/indicator light .. .... .. 18
Electronic speed limiter .. .. .. .... ..... 28
Electronic stabi lization program (ESP)
How the system works . . . . . . . . . . . . 268
Warning/indicator lights ........... 18
Emergency braking .. ....... .. ...... 136 Emergency
closing
Power sunroof ................. 67, 68
Emergency flasher . . . . . . . . . . . . . . . . . . . 73
Warning/indicator lights ..... ...... 19
Emergency locking ....... .... .... .... 54
Emergency locking of doors ........... 54
Emergency starting ........ .... ... .. 364
Emergency towing ..... .. .... .... ... 366
Emergency warning triangle ... ....... 348
Energy management .... .... ... .. ... 274
Battery power . . . . . . . . . . . . . . . . . . . 275
Driver notification ................ 275
Engine 4.2 I, 8-cylinder (350 hp) .... .... ... 308
6 .0 I, 12-cylinder (450 hp) .......... 309
Compartment . .... .... .... .. 308, 309
Coolant ......................... 314
Hood ... .. .... .... .... .... .... .. 306
Starting ...... .............. 129, 130
Starting with jumper cables .. ... .. 364
Stopping ........................ 131
Engine compartment ... .. .... .... ... 308
Safety instructions .......... ..... 307
Working the engine compartment .. 307
Engine coolant ..................... 314
Adding coolant ............. ..... 316
Checking the engine coo lant level .. 315
Expansion tank .................. 315
Malfunction symbo l ...... .... .... . 31
Radiator fan ...... .... .... .... ... 317
Temperature gauge . . . . . . . . . . . . . . . 12
Engine data ........................ 378 Engine hood
Closing ..... .. .... .... ...... ... . 307
How to release the hood . . . . . . . . . . 306
Engine oi l ..... ... .... .... .... ...... 309
Adding ......................... 312
Additives ........................ 312
Changing .. .... .... ..... .. .... .. 313
Checking the engine oil level ....... 311
Indica tions and conditions requiring extra
checking .. ...... .... ...... .... 311
Oil consumption ................. 311
Oil grades .. .... .... ... .... .... .. 309
Oil level symbol .... .... ...... ... .. 35
Pressure ma lfunction ... ... .... .... 32
Recommended oil check intervals .. 311
Sensor defective . . . . . . . . . . . . . . . . . . 35
Specification and viscosity ......... 309
Environment Break -in period .................. 277
Catalytic converter .... .... .... ... 278
Disposing of your vehicle battery ... 322
Driving at high speeds ....... ... .. 279
Driving to minimize pollution and noise .
279
Fuel ...... .... ........... .... ... 303
Fuel economy .......... .... .... .. 279
L eaks under your vehicle .......... 307
Le tting the vehicle stand and warm up ..
280
Proper disposal of drained brake fluid
318
Proper disposal of drained engine coolant . .... .... .... .... ....... 316

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Location ...... .... .... .... .... .. 258
Mounting and releasing the anchorage hook .......................... 262
Leather ............................ 296
Cleaning ........................ 297
Level adjustment
See Adaptive Air Suspension ....... 185
Lifting jack ... .... .... ... .. .... ..... 354
Lifting points .... ........ .... .... ... 369
Lifting vehicle ... ... .... ........... . 369
Light sensor defective ................ 36
Lights ........ .... .... .... .......... 69
Coming home ..................... 70
Daytime running lights ... .... .... .. 70
Emergency flashers ................ 73
Exterior lights ..... ....... ........ . 70
Front fog lights ...... .... ...... ... 71
Headlights .. ... ... .. .... .... .... . 69
High beam ... .... .... ..... .. .. 69, 73
H igh beam warning/indicator light ... 19
Leav ing home .. ...... .... ...... ... 70
Rear fog lights .................... 71
Side marker lights ................. 69
Turn signals .. .... .... .... .... .... 73
Xenon headlights ....... ... .. .... .. 69
Lo ading the luggage compartment . ... 205
Load ing the roof rack .... ....... .... . 104
Locking Pow er lock ing switch .... .... .... .. 53
Rear lid/trunk lid ...... ............ 55
Remote control .... .... .... .... ... 51
Using the key ..................... 52
Lower anchorage locator button ....... 258
Controls and equip­
ment Safety first
Lower
universal anchorage bars (Canada) ..
258
Lower universal anchorages (Canada) .. 258
Luggage Stowing .................. ....... 205
Luggage compartment
Cargo net .. ...... .... .... .... ... 101
DVD p layer for navigation system . .. 112
Side Compartment ............... 112
Side compartment ................ 113
Ski sack ......................... 102
Tie -down eyelets .. ........ ....... 100
See also Loading the luggage
compartment ...... .... ... .. .... 205
L umbar support .... ....... .... .... ... 90
M
Maintenance .......... .... .... .... . 380
Malfunction Indicator Lamp (MIU .... 20, 27
Massage function .... ........ ....... . 89
Master key ...... .... ......... ...... . 48
Mi leage
Average .......................... 38
Ins tantaneous ... ...... .... ... .. .. 38
Mirrors Automatic anti-g lare adjustment . .... 83
Automatic dimming for the outside mirrors .... ....... .... .... ... .. . 84
In terior mirror .... .... .... ....... . 83
Outside mirrors ................... 84
Recalling position of outside mirrors . 94
Storing position of outside mirrors .. . 94 Monitoring the Advanced Airbag System
229
N
Natural leather .... .... ... .. .... .... . 296
New tires and whee ls . .... .... .... ... 336
NHTSA Contacting ...................... 207
Number of seats ...... ... .. .... .... . 209
0
Occupant seat ing positions .. ... .. .... 200
Octane rating ...... .... .... .... .... . 301
Odometer ..... ...... .... ... .... ..... 14
Oil
See Engine oil .. ... .... ....... .... 309
Older children and safety belts .... .... 252
On -Board Diagnostic System (OBD)
Data Link Connector (DLC) ........ .. 28
Electron ic speed limiter . ...... ..... 28
Ma lfunction Indicator Lamp (MIU .... 27
Open door or rear lid warn ing ..... ..... 26
Opening Power sunroof .................... 66
Operate your vehicle economically and mini -
mize pol lution .... ... .... .... ... 279
Outside air pollution How to prevent from entering the vehicle
121
Outside mirrors .. .. .. .... ...... .... .. 84
Outside temperature display ........... 25
Vehicle operation Vehicle care Do-it-yourself service Technical data

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T
Tachometer . .... .... .... ... .... .... . 13
Technical modifications ...... ...... .. 383
T emperature
Climate controls ...... .... ..... .. . 117
Setting for the driver's and front passen-
ger's side ... ...... .... ... .... .. 117
Tether strap ........................ 263
Securing the upper tether strap 264
The first 1,000 miles (1,500 km) and
afterwards .. .... .... ... .... .... 277
Tie -down eyelets ... .. .... ...... . 100, 207
Tips for the environment
Saving fuel ... .... .... ... .... .... 104
Using the air conditioner only when necessary ... .... ....... .... .... 123
ti ptron ic® . . . . . . . . . . . . . . . . . . . . . . . . . . 163
Automatic Shift Lock (ASU ... .... .. 165
Driving .. .. .. .... .... ........... 163
Dynamic shift program . ...... ... .. 166
Fail -safe mode ... .... .... ...... .. 168
Kick -down ..... ...... .... ... .... . 166
Manual shift program ........ .... . 167
Se lector lever . .... .... ... .... .... 164
Tire pressure .. ... .. .... .... ...... .. 331
Tire pressure monitoring system ... .... 41
Displaying tire pressures . .... .... .. 43
Initialize wheels ... .... ... .... .... . 45
Learning process .................. 44
Loss of air pressure ............. 20, 42
Malfunctions .... .... .... .... .... . 45
Sensors ....... .. .... .... ...... .. 338
Controls and equip­ ment Safety first Stor
ing tire pressures ....... .... ... 44 Towing
Tires and wheels .. .... .... .... ... 338 Tow truck procedures .... .... .... . 366
Valves ..... .. .... .... .... .... ... 338
Towing hitch
Tire service life ........ .... ... .. .... 335
Audi parking system .............. 180
Tires ........ .... ... .... .... .... ... 324 Towing loop ..... .... .... ... .... .... 367
Replacing .. ...... .... ...... ... .. 338 front .... ... .. .... .... ...... ... .. 367
Service life . ........ .... ... .. .... 335 rear ............................ 368
speed rating letter code .. ... .. .... 338
Trailer towing . .... ... .... ...... ... .. 282
Tire manufacturing date ...... .... . 338
Operating instructions . ...... ... .. 283
Tire specifications ................ 337
Technical requirements ... .... 282, 283
Tread depth ........ ....... ...... 335
Trailer towing tips ................ 284
Uniform tire quality grading .... .... 340
Train
Winter tires ... .... .... .... .... ... 341
Transporting your vehicle .. .... .... 369
Tires and ve hicle load limits . ...... ... 333
Transmission
Tires and wheels
See Automatic transmission .. ...... 163
Checking tire pressure .... .... .... 331
Transport Canada . .... ... ........ ... 208
Cold tire inflation pressure .. .... ... 328
Dimensions ...................... 336 Transporting your vehicle
.... .... ... . 369
Tread Wear Indicator (TWI) ....... .... . 335
Genera l notes .................... 324
G lossary of tire and loading termino logy
325
New tires and whee ls .. .... .... ... 336
Replacing .... .... .... .... .... ... 337
Snow chains ........ .... ... .. .... 342 Trip computer
Fuel consumption .... .... .... .... . 38
Mi leage ... ........... .... .... .... 38
Sing le-trip memory .. ........ .... .. 39
Total-trip memory .. ...... ..... .. .. 39
Tire pressure monitoring system .... 338
Tires and vehicle load limits .. ...... 333
Wheel bolts .. ....... ...... .... ... 343 Trip
odometer ..... .. .... ....... ... .. 14
What does it mean when dEF appears in the trip odometer disp lay? ......... 14
Winter tires ......... ...... .... ... 341 Trunk
Tires/Wheels
See Rear lid ... .... .... ... .... .... . 55
Low aspect ratio tires . .... ........ 343 Trunk
escape handle .. .... ... .... .... 348
Tools ... .... .... ... .... .... .... .... 350 Turn signals
... .. .... .... .... ...... .. 73
Torn or frayed safety be lts .. .... .... .. 212 Warning/indicator
lights .. ........ .. 19
Touch-up paint . .... ... .... .... .... . 292
Vehicle operation Vehicle care Do-it-yourself service Technical data