2010 AUDI S8 radiator

lffll __ C_ h_ e_c _k _i _ n _g ~ a_n _d_ f_il _l_in _ g _________________________________________ _
& WARNING (conti nu ed )
• Protect your f ace, hand s and arms from e scaping fluid and
s team by covering the cap with a larg e, thick rag.
• Turn the cap slowl y and ver y ca refull y in a counter-clockwise
direct ion while applying light, downward pre ssure on the top of
the cap.
• To avoid being burned , do not spill antifreeze or coolant on the
exhaust system or hot engine part s. Under certain conditions, the
ethylene glycol in engine coolant can catch fire.
0 Note
Do not add any type of radiator leak sealant to yo ur vehicle's engine
coo lant. Adding radiator repair fluid may adverse ly affect the func­
t ion and perfo rmance of your cooling system and could result in
damage not covered by your New Vehicle Limited Warranty .
[ i J Tips
On vehicles with the 12-cylinder engine, the expansion tank is located
unde r a cover. •
Adding coolant
Be very careful when adding engine coolant.
Before you check anything in the eng ine compartment,
always read and heed all WARNINGS~ & in "Working in
t h e e ngine compar tment" on
page 289 .
-Tur n off the eng ine.
- Let t he engi ne cool down. -
Place a t hick rag over the coolant ex pansio n tank
~ page 297, fig . 247 and carefully twis t the ca p counte r­
clockw ise
~ & .
- Add coo lant.
- Tw ist t he cap on agai n
tightly.
Replacement eng ine coolant must conform to exact specificat ions
=> p age 2 96, "Coolan t". Even in an emergency, if coolan t ad di tive
Gl2 ++, Gl2+ or Gl2 is not available, do
not use a d ifferent addit ive.
Use plain water instead until you can get the correct additive a nd can
restore the correct ratio . This s hou ld be done as soon as possible .
If you have lost a conside rable amount of coolant , then you sho uld
add co ld a ntifree ze a nd cold water only when t he e ngine is cold .
Always use
new engine coo lant when refilling.
Do not fill coolant above t he "MAX" mark. Excess coo lant wi ll be
forced out t hrough the p ressure relief va lve in the cap w hen the
eng ine becomes hot.
& WARNING
• The cooling system is under pressure and can get very hot.
Reduce the risk of scalding from hot coolant by following these
steps.
- Turn off the engine and allow it to cool down .
- Protect your face , hands and arms from escaping fluid and
steam by covering the cap with a large, thick rag.
- Turn the cap slowly and very carefully in a counter-clockwise
direction while applying light, downward pressure on the top
of the cap.
- To avoid being burned , do not spill antifreeze or coolant on
the exh aust system or hot engine parts. Under certain condi-
tions, the ethylene gly col in engine coolant can catch fire. .,

Checking and filling ------------------------------- ---=.:..:..=.:=~..:::..:.....:..:.;__ ___ _::,______,.J
& WARNING (co ntinued )
• Antifreeze is pois onous. Alway s store antifreeze in its original
container and well out of the r each of children.
• If you drain the coolant , it must be caught and safely stored in
a proper container clearly marked "poi son ".
0 Note
• Coolant poll utes the environment and could cause an engine fire .
Excess coolant w ill be forced out throug h the pressure re lief valve in
t he cap when the e ng ine becomes hot .
• If, in an emergency, o nly wate r ca n be adde d, the correct ratio
between water and antifreeze=>
page 296 must be restored as soon
as possib le.
W For the sake of the environment
Dra ined coolant shou ld not be reused. A lways dispose of used coo lant
w hile observ ing a ll enviro nment al regul ations . •
Radiator fan
The radiator fan switches on automatically by itself
T he radi ator fa n is d riven by the engine via th e V-bel t. The v iscous
clutch regu lates the speed of the fan accord ing to the temperature of
t he coolant.
An auxiliary e lectr ic rad iator fan* sw itches on and off depend ing o n
coo la nt tempe rat ur e and othe r vehicle ope ra ting condi tions .
After you switch the engi ne off, the auxilia ry fa n can cont inue r unning
for up to 10 minutes - even w ith the ignition off . It can even switch on
agai n lat er by itse lf => & , if
• the tempe rature of the e ngine coolant rises due to the heat build ­
up from the eng ine in t he engi ne comp art ment, or
Vehicle OP-eration
• the engine compartment heats up because the veh icle is parked in
in tense s unlight.
& WARNING
• To reduce the ri sk of personal injury never touch the radiator
fan.
• The auxiliary electri c fan is temperature controlled and can
switch on suddenly even when the engine is not running .
• The auxiliary radiator fan switches on automatically when the
engine coolant reaches a certain temperature and will cont inue to
run until the coolant temperature drops .•
Brake fluid
Checking brake fluid level
T h e b rake fluid l evel can be ch ecked with a quick glance.
-w ;:;
Fig. 24 8 En gine
compa rtme nt: Brak e
f luid re se rv oi r
Be fore you chec k anyt hin g in the engine compartment,
always read and heed all WARNINGS~ & in "Working in
t h e engine compartm ent" on
page 289 . .,_
Vehicle care Do-it-yourselt service iTechnical data

________________________________________________ F_ u_s _e_ s_ a_ n_ d_ b_u_ lb_ s _ __.lftll
No. Equipment
9
10
11
13
14
15
16
17
Climate control front/rear, dash panel buttons
Suspension level control system
(Adaptive Air Suspension)
Light and rain sensor
Display-/control unit
Roof electronics control unit
CD/DVD drive Energy management
Vacant
Radiator fan electronics
Airbag front passenger recognition (weight sensor)
19 Vacant
20 Heated/ventilated seats
21 Engine control module
22 Vacant
23 Parking brake (switch)
24 Vehicle electrical system
25
26 Automat
ic transm ission
Air conditioning water valves water pump, rear climate control
27 Sunroof
28 Engine control module
29 Fuel injectors
30 Ignition coils
31 Fuel pump, r ight/fuel pump e lectron ics
Amps
5
10
5
5
10
5
5
5
5
5
5
5
10
15
10
20
5
15
30
20/40
-
Vehicle OP-eration
No ... Equipment
32
33
34
35
36
39
40
41
Automatic transmission
Right rear foo twell heater
Heated/ventilated seats, rear
Heated/venti lated seats, front
Cigarette lighter, front
Cigarette lighter, rear/socket, rear
Auxiliary cooler fan Door cont rol un it, front r ight
Brake booster
Door control un it, rear right
42 Vacant
43 Headlight washer system
Air conditioning heater fan
Amps
5
25
20
20
20
20/25
20
7.5
15
7.5
30
30
•
Fuse Location , Luggage Compartment left
0
Fig . 28 0 Fuse pan el
l a yo ut ..
Vehicle care Do-it-yourself service iTechnical data

______________________________________________ C _o_ n _ s_u_ m_ e_r_ I_n _f_ o_ r_m _ a_t_ i_ o _ n __ _
& WARNING (co ntinued )
• The engine compartment of any motor vehicle is a potentially
hazardous are a. Nev er reach into the area around or touch the
radiator fan. It is temperature controlled and can switch on
suddenly -even when the engine i s off and the ignition key has
been remo ved. The radiator fan switches on automatically when
the coolant reache s a certain temperature and will continue to run
until the coolant temperature drops.
• Always remove the ignition key before anyone gets under the
vehicle.
• Alway s support your vehicle with safety stands if it i s nece ssary
to work underneath the vehicle. The jack supplied with the vehicle
is not adequate for this purpose and could collapse causing
serious personal inju ry.
• If you must work underneath the vehicle with the wheels on
the ground, always make sure the vehicle is on level ground , that
the whe els are always securely block ed and that the engine cannot
be started.
• Always make sure the transmi ssion selector lever (automatic
transmiss ion) is in "P" (Park position ) and the park brake is firmly
app lied .
c£> For the sake of the environment
• C ha ng ing the engine settings will a dversely affe ct emiss ion levels.
Th is is det rimenta l to the environment and increases fuel consump­
t ion.
• Always observe environmental regulations when dispos ing of o ld
eng ine oi l, u se d brake fl uid, d irty engine coo lant, s pen t batter ies or
worn out t ires .
• Undeployed a irbag modules and prete ns ione rs m ight be classified
as Perchlorate Materia l -spec ia l hand ling may apply, see
www.dt sc.ca .gov/h azardousw aste/pe rc hl or ate. When the vehi cle or
parts of the rest raint system including airbag modu les safety belts
wit h pre tens io ner s are sc rappe d, a ll applicable laws an d reg ulat io ns
Safety first
must be observed. Your author ized Aud i dealer is familiar with these
req uirements and we re commen d that yo u have yo ur d eale r perfo rm
t his service for you. •
Additional accessories,
modifications and parts
replacement
Additional accessories and parts
replacement
A lways c onsul t an au thori zed Audi dealer before
purchasing acces so ries .
Your vehicle incorporates the latest safety des ign feat ures ens uring a
high s tand ard of active and pas sive s afe ty.
T hi s safety could be compromised by non-app roved changes to the
vehicle. Fo r th is reaso n, if pa rts have to be re place d, ple ase obse rve
t he following poin ts when ins talling addit ional accessories:
Approved Audi accessories and genuine Audi parts are available from au thor ized Au di deal ers .
These dea lers a lso have the necessary facilities, tools and tra ined
s pecialists to install t he p arts and ac cesso ries p roper ly .
& WARNING
Using the wrong spare parts or u sing non-approved acces sories
can cause damage to the vehicle and serious personal injury.
• Use only accessorie s expressly approved by Audi and genuine
Audi spare parts
• These parts and accessories have been specially designed to be
used on your vehicle . ..,_
Do-it,yourself service Technical data

__ _::_A:!: l~ p::_ h :....:..:: a:.:b::: e::..::. t:.:ic ::a::.: l:....:..: i n~ d:.:e ~ x::.._ ___________________________________________ _
Outside temperature display .... .... 23 Electronic speed limiter .. ...... .... ... 26 Malf u nction symbo l ....... ... . ... . 29
Sound system d isplay .............. 23
Electronic stabili zation prog ram ( ES P) Radiator fan
.................... 299
Dr iver Information System How the system works ...... .... .. 252 T
emperatu re gauge .......... ..... 10
Digita l speedometer .... ... ... .. ... 23 Wa rning/indicator l ights .. . .. .... .. 16 Engine data .. .. .. ...... ... .. .. .. .. 360
Dr ive r's seat .. .. .. .. .. .. .. ... ....... 77 Eme rgency braking . ............... . 12 5 Engine hood
Dr iver 's sea t memory ................. 84 Emergency closing Clos
ing ......................... 289
Act ivat ing remote control key ....... 85 Power su nroof ................. 58, 59 How to release the
hood ........ .. 288
Recalling a seat position ............ 84
Emergency flasher .. ..... ..... .. ... .. 63 Engine oil
.......... .......... ..... 291
Storing a seat position ... .. .. .. .... 84
Warning/indicator l ights .. . .. .... .. 17 Add
ing .... .... .... .. . .. .. .. .. .. 29 4
Dr iv ing messages .................... 27
Eme rgency locking ................. .. 46 Add
itives .... ....... ...... .... .. 294
Dr iv ing safely ... .. .. ............. .. 186
Driving through water . .......... ... . 263
Dr iv ing time . ... .. .. .. .. .. ..... ..... 36
Duplicate key ....................... 39
DVD playe r for navigat ion system ...... 102 Emergency
locking of doors ... .. ...... 46
Emergency st arting .... ..... ... .. .. . 3 48
Emergency towing .................. 350
E me rgency warning triang le ... .. .. .. . 332
E nergy managemen t .. ............. . 258 Cha
nging .... ....... .... .. .. .. .. 295
C hecking the engine oil leve l ... .. .. 293
I n dicat io ns and condi tions requiring ex tra
check ing . .. .. .. .. ............. 293
Oi l co nsumpt ion .. .. ... ... ..... .. 293
Oil grades ...................... 291
E
Battery power ................... 259
Dr ive r no tifica tion . .... ..... ... .. . 259 Oi
l level symbo l ................... 33
Pressu re malfunction .............. 30
Eas y entry feature
118 Engine
4.2 l, 8-cylinder (350 hp) ........ .. 290 Recommended oil check
inte rv a ls . .. 293
Sen sor defective .. .. .. .. .......... 33
Electrome chanical pa rking bra ke
Emergency br aki ng .. .. .. .. .... .. . 12 5
Ma lf u nct ion . .... .... ..... ... . .. . 12 5
Operation ... .. .. .. ... ... .... ... 1 23
Parking ... .. ..... ....... ... . ... 1 24
Releasing and app ly ing . .. .... ..... 123
Sta rting off w ith a trailer .. .. .. .... 125
Warning/ind icator lights . .......... 20
Electroni c dif feren tial loc k (EDL) 6
.0 l , 12-cylinde r (450 hp) ... ... .. . 291
Compa rtme nt .. .. .. .. .. .... . 2 9 0, 29 1
Coolan t ........................ 296
Hood .. ................. .. .. .. . 288
St art ing .. . .. .... .. .. .... .. . 1 18 , 119
Sta rting with jumpeir cab les ... .. .. . 3 48
Stopp ing . .. .. ... .. .. .... .. .. .. . 120
E ngine comp artment ................ 290
Safety ins truct ions .... .. .. .. .. ... 289 Spe
cifica tion and vis cosi ty .. ... .. .. 2 91
Engine speed lim itation ....... ... ... .. 33
Environment Break-in pe riod . ...... ......... .. 261
Catalytic converter .. .... ......... 262
Disposing of your veh icle battery .. .. 304
Dr iv ing at hig h speeds ............ 264
Dr iv ing to mi nimize pollution and noise ..
263
How the system wor ks ... ..... .... 253
Wa rning/indicator lights ... .. ... ... 19
Electron ic immobili ze r ... .. .... .. .. 12, 41 Wor
king the e ng ine compar tment .. 289
Engine coolant ... ... ... ...... .... .. 296
Add ing coolant .................. 298 Fuel
.... ...... ........... .... .. 285
Fuel economy .. .... ....... .... .. 263
Leaks under your vehicle . ......... 289
Electronic power contro l
Checking the engine coo la nt level ... 297
Letting the vehicle stand and warm up
(EPC) warning/ indicator light ........ 16
Expa nsio n tank .................. 297 264

Alphabetical index Ill
----------------
Proper disposal of drained brake fluid 300
Proper disposal of dra ined engine coolant
298
Proper disposal of drained engine oil 294,
295
Recycl ing used engine o il ....... .. . 294
Unleaded fuel . ............... .. . 283
What should I do with an old battery? ...
304
EPC
See Electronic power control ........ 16
ESP
See E lectronic stabilizat ion program ( ESP)
16
Event Data Recorder (EDR) ....... .... . 252
Exhaust tail pipes
Cleaning .. ............. .. .. .. .. . 276
Expansion tank ........ .. .... .. .... . 297
F
Fan
Radiator .. ............. .. .. .. .. . 299
Fastening Booster seats ............. .. ... .. 239
Convertible child safety seats .... ... 237
Infant seats ..................... 236
Flat tire changing . .. ............. .. . 330
Floor mats .. .... .. .. ... . .. .. .. .... . 193
Fog lights Front .................... .. .. .. .. 62
Rear ........ .... .. .. .. .......... 62
Warning/indicator lights ... .. ...... 17
Folding master key with remote control .. 39
Controls and equip­
ment Safety first
Foot pedals
.... ... ...... .. .. .. ... .. 192
For the sake of the environment
Gasoline fumes and the environment 285
Letting your engine warm up .. ..... 119
Reducing engine noise by early upshifting 10
Refueling ........ .. .. .. .. ....... 285
Saving fuel by early upshifting ....... 10
Using the rear window defogger ..... 113
Front airbags Description .. ..... .. .. .. .. ....... 210
How they work .... ....... ...... .. 215
Front ashtray .. .. .. ........ .......... 96
Front fog lights . ..................... 62
Front seats . .. .................. ... . 76
Adjusting .. .. .. ..... .... ...... .. 189
Child restraints in the front seat .. .. 208
Convenience side view .. .. .. .. ...... 81
Pockets ............... .. .. .... .. 100
Symmetrical seat positions .......... 81
Frontal collisions and the laws of physics 198
Fuel Additives .. .. .... .... ........... 283
Average consumption .. ............ 36
Blended gasoline .... .. .. .. ....... 283
Fuel filler neck .. ..... ...... ...... 284
Fuel gauge . ........ ......... ..... 12
Gasoline ... .. ... ........ ........ 283
Gasoline additives ................ 284
Instantaneous fuel consumption .... . 36
Low fuel level symbol .. .. .......... 33
Octane rating ...... .............. 283
Recommendation ................ 283 Refuelling
.. .. .. .. ... ...... ... .. 285
Reserve ......... ........ ... .. ... . 12
Tank capacity . . . . . . . . . . . . . . . . 12, 360
Unlocking the fuel filler flap by hand . 287
Fuse arrangement ............ .. .. .. . 342
G
Garage door opener (Homelink ®) ...... 181
Gas discharge lamps .......... .. .. .. . 346
Gauges Engine coolant temperature ......... 10
Fuel gauge .. .. ... ................ 12
Speedometer ....... ...... .. . ... .. 12
Tac hometer ..... .. ............... 11
Tr ip odometer ............ .... .. .. 12
General illustration Instruments and controls .. ... . ... .. . 9
Generator Warning/indicator lights ... ... . .. .. 16
Glossary of tire and loading terminology 307
Glove compartment ... .... ...... ..... 99
cd changer .. .. .. .. .. .. ... ....... . 99
Owner's Literature ................ . 99
Gross Vehicle Weight Rating (GVWR) ... 357
H
Head restraints ..................... 191
Adjusting .......... ...... .. .... . 191
Comfort head restraints ............ 81
Front seats .. ...... ............... 81
Rear seats .. .. .. .. .. .. .. ..... .... 82
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 ____________________________________________ _
Operate your vehicle economically and mini-
mize po llution .. .... ......... .. 263
Outside air pollution How to prevent from entering the vehicle .
109
Outside mirrors ............ .. .... ... 74
Outside temperature display . .......... 23
p
Paint
Touch-up 274
Paint No ......................... .. 356
Park ing .. .. .. .. .. .. ...... ......... 124
Automatic transm ission .. ....... .. 154
Caution when parking near a parking barri- er or curb ............. ...... .. 124
Low bumper cover, spoilers and suspension .................... 124
Parking brake
See Electromechan ical parking brake 123
Parking on a decline (downhill) ... ..... 124
Park ing on an incline (uphill) ........ .. 124
Parts replacement . ........ ..... .... 363
PASSENGER AIR BAG OF F light ... .. .. . 218
Passenger's seat . . . . . . . . . . . . . . . . . . . . . 77
Passenger's seat memory ... .......... 85
Passive safety system ............. ... 186
Pedals . .. . .... .................... 192
Physical principles of a frontal collision . 198
Pockets .. .. ..................... .. 100
Polishing . ....................... .. 273
Power locking switch ................. 45 Power
locking system ...... .... .. .. .. 41
Conven ience open feature .......... S6
Locking and unlock ing the veh icle from
inside ............ ... .. .. .... .. 4S
Opening and closing the windows ... . 56
Rear lid/trunk lid . ................. 46
Remote control ........... .. .. .. .. 40
Selective unlock feature . ........... 44
Settings ..... .... .. .. .. .... .. .. .. 44
Unlocking and lock ing vehicle ....... 43
Power roof ............. .... .. ...... S7
Powe r seat
Contro ls ....... .......... .. .. .... 77
Massage funct ion .. ............... 79
Seat adjustment .................. 78
Upper thigh support ............ ... 78
Power s ide door closer ............ .. .. 45
Power steering . .. .... ............. . 257
Power sunroof
Emergency closing ... ... ... .... 58, 59
Power window switches ........... .. .. S3
In the dr iver's door ............. ... S4
In the front passenger's door ..... ... 5S
Reactivating the system . . . . . . . . . . . . 56
Power windows Settings ...... ... .. .. .. .. .. .. .... S6
Pregnant women Special considerations when wearing a safety belt .............. .. .. .. . 203
Programming the HomeLink ® universal re-
mote control ........ .... .. ..... 181
Proper occupant seating positions .. ... 188
Proper sa fety belt position ........... 202 Proper seating position
Front passenger .. .............. .
Occupants ... .. ... ............. .
Rear passengers
Q
189
188
190
Quartz clock . . . . . . . . . . . . . . . . . . . . . . . . 11
quattro ®
See All Wheel Drive . ............. 257
Question What happens to unbelted occupants? ...
199
Why safety belts? ... ......... ... . 197
R
Radiator fan ............ ... .. .. .... 299
Rain sensor ................. ...... .. 70
Rain sensor defective . .. .... .......... 34
Reading lights Front . ........................ .. 65
Rear ..... ............. .......... 66
Rear ashtray ..... ................. .. 96
Rear center console .. ...... .... .. .... 98
Rear climate controls . .. ............. 114
Air distribution . ................ . 114
Automatic operation ......... .. .. 114
Controls . . . . . . . . . . . . . . . . . . . . . . . . 114
Heated seats ........ .. .... .... .. 114
PASSIVE .......... ... . .. .. .. .. .. 114
Switching on and off ........ .. .. .. 114
T emperature ......... ... .. .... .. 114
Ventilated seats ... .............. 114