2010 AUDI S8 coolant temperature

___________________________________________ C..:...._ h:....:e :....:c:..:. k.::..: i..:.. n .:..:g:!:....:: a....:. n..:.. d~ f:....:. i.:..ll :.:.i:....:n :.:g !....- __
Closing the engine hood
- Pull the hood down until the pressure from the struts is
reduced.
- Let the hood
drop down and latch in place. Do not try to
push it shut;
it may fail to engage=:> &.
& WARNING
A hood that is not completely latched could fly up and block your
view while driving.
• When you close the engine hood, check it to make sure the
safety catch has properly engaged. The hood should be flush with
the surrounding vehicle body parts.
• If you notice while driving that the hood is not secured prop­
erly, stop at once and close it. •
Working in the engine compartment
Be especially careful whenever you work in the engine
compartment.
Whenever you must perform any work in the engine compartment,
for example checking and filling different fluids, there is a risk of injury, burns and accidents. To prevent personal injury always
observe the following WARNINGS. The engine compartment of any
vehicle is a hazardous area=>& .
& WARNING
To help avoid injury, before you check anything under the hood:
• Turn off the engine.
• Remove the ignition key.
• Apply the parking brake.
Safety first
& WARNING (continued)
• Move selector lever to "P" (Park).
• Always let the engine cool down. Hot components will burn
skin on contact.
• To reduce the risk of being burned, never open the hood if you
see or hear steam or coolant escaping from the engine compart­
ment. Wait until no steam or coolant can be seen or heard before
carefully opening the hood.
• Keep children away from the engine compartment.
• Never spill fluids on hot engine components. They can cause a
fire. • Never touch the radiator fan. The auxiliary electric fan is
temperature controlled and can switch on suddenly.
• Never open the coolant reservoir cap when the engine is still
warm. The coolant system is pressurized and hot coolant could
spray out.
• Protect your face, hands and arm from steam or hot engine
coolant by placing a thick rag over the cap when you open the
coolant reservoir.
• If work on the fuel system or the electrical system is necessary:
- Always disconnect the battery.
- Never smoke or work near heaters or open flames. Fluids in
the engine compartment could start a fire.
- Keep an approved fire extinguisher immediately available.
• To avoid electrical shock and personal injury while the engine is
running or being started, never touch:
-Ignition cables
- Other components of the high voltage electronic ignition
system.
• If you must perform a check or repair with the engine running:
- First, fully apply the parking brake, move selector lever to
"P" (Park). .,
Vehicle care Technical data

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

______________________________________________ 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_ in_ d _ e_x __ _
Fan .. .. ... .... ..... ... .. .. .. .. . 109
Heated seats, front .............. . 107
in the rear ................... .... 114
Key coded setting .... .. .. ....... . 103
Rea r clim ate cont rols .......... .. . 1 14
Re ar se at oper ati on ...... .. .... .. . 11 6
Recircu lation mode (automati c) ..... 115
Recommended sett ings . .. ... .. .. . 103
Residua l heat .. ... .. .. .. .. .. .. .. . 106
Sett ing the temperature . .. ... .. .. . 106
SETUP ....... ...... .. .... .. .... . 115
So lar b lower fan/so la r r oo f .. .... .. . 112
So lar operation .. ............. ... 116
Switching on and off .......... .. .. 106
Synchron izat ion .. .. .............. 116
Us ing cli mate control economically .. 112
Winds hield defogge r/defroster .. .. . 1 12
Clock ... ................. .. .... .. .. 11
Clos ing
P owe r su nroof . .. ................. 58
Coat hooks ......... ........ ... ... .. 101
Cold ti re inflation pressure ..... .... .. . 310
Compa rtments in the door t rim panels . . 100
Compartments in the rear doors ....... 100
Comp liance . ... .. .. ... ..... ... .. .. . 3 64
Consumer Information .......... 195, 361
Contacting NHTSA .. .. .... ....... ... 195
Conve nien ce key ........... ...... .. .. SO
Dr ive r's mess ages ................ 122
Lo cking the vehicle . ........... .. .. 52
S TART b utton ... .. .. .. ... . .. .. .. . 120
Sta rting the engine ..... ... .. .. .. . 120
S T OP button ... .... .. . .... .. .. .. . 121
Controls and equip­
ment Safety first
Stopping the engin
e ...... ..... ... 121
Switching on the iginition ..... ..... 120
Unlocking the vehicle .............. 51
Convenience open feature Windows .. .. .. .................. 56
Convert ib le child safety seats . .. .... .. 2 3 7
Convert ible locking retractor
Activat ing ..... .......... .. ...... 243
Deact ivat ing .. ..... ....... .... ... 244
Us ing to sec ure a ch ild safety seat .. 2 41,
243
C oo lant
See En gine coolant . .... ... .... ... 296
Cru ise control
Cha ng ing speed .................. 127
Presetting your speed .. .. .. ... .... 127
Swi tching off . .. ................. 127
Swit ching on .................. .. 12 6
W arning/ind ica tor ligh ts ........ ... 19
See also Adaptive Cruise Con trol . ... 128
Cru is ing range ....................... 36
(upholder . . . . . . . . . . . . . . . . . . . . . . 94, 95
Center console .. .................. 98
D
Damp ing
See Adaptive A ir Suspens ion ........ 176
Da ta ... .. .. ... ...... ....... ... .. . . 36 0
Data recorder ... .. .... .. .. .. ... .... 252
Date display ................ .. .... .. . 11
Day time ru nning ligh ts . . . . . . . . . . . . 60, 61 Declaration of compliance
Adaptive Cru ise Contro l ............ 364
Audi s ide ass ist .................. 364
C e ll phone pac kage ............... 364
Conven ien ce key ... ............. . 36 4
E lectroni c immobi liz e r ............ 364
Home link ® un iversal remote cont rol . 364
Remote cont rol key .... .... .... .. . 36 4
T ir e pressure monitoring system ... . 364
def What does t his mean when it appears in
the trip odometer display? .. .. ..... 12
Defective ligh t bul b war ning ......... .. 2 4
Defrosting/defogging the windows .. .. . 109
Defrosting/defogging windows ...... .. 11 1
De termining correct load limit .... . ... . 315
Digital clock . .. ...... ............... 11
Digit al speedometer ... .. .. .. ... .... .. 23
Dimens ions ............ ... .. .. ..... 357
Dips tic k
Reading the dipstick properly . .. ... . 293
Dis ta nc e con tro l system
See A daptive Cruise Co ntrol . .... .. . 128
Doors Mecha nical child safety lock ... . .. ... 49
Powe r ch ild safety lock .. ....... .... SO
Powe r side door closer .. .. ... ... ... 45
Driver
See Seating position .............. 188
Drive r informa tion d isplay
Driver information messages ... ... .. 27
I ntroduct ion . ....... ..... ... . .. .. 22
Ope n door or rear lid warn ing ..... .. . 24
Vehicle operation Vehicle care 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