check engine light AUDI S8 2009 Owner's Guide

Checking and filling -
---------------------=----"=---------
Windshield/headlight washer
container
F ig . 273 Engine
co mpartm ent : Wind ­
s hiel d and headl ig ht
wa sher fluid container
The was her fluid container is marke d w ith the symbol <$ on
its cap.
- Before you check anything in the e ngine compartment,
always read and heed all WARNINGS=>
& in "Working
in t he engi ne com partme nt" on
page 309.
- Lift the filler cap tongue to add washer f luid. You can fill
the container to the top .
- Press the cap back onto the filler neck after filling the
container .
You can find the reservoir ca paci ty in the table in=> page 380.
To prevent lime residue from building up on the spray jets, use
distilled water when refilling. Always add a glass cleaner solution
(with frost protection in the winter!.
0 Note
Do n ot m ix engine coo lant antifreeze or any other addi tives to fill up
the windshield washer reservoir .•
Vehic le care I I irechnical data

________________________________________________ E_ m ___ e_r.::g ~e ___ n_c ~y:.- s;_ i_t _u :...:a:..:. t.:.: i...:o :...:n...:..:. s _ __,J_
& WARNING !continued)
• Before you check anything in the engine compartment, always
read and heed all WARNINGS~ page 301, "Engine compartment".
0 Note
• Applying a higher voltage booster battery will cause expensive
damage to sensitive electronic components, such as control units,
relays, radio, etc .
• There must be no electrical contact between the vehicles as
otherwise current could already start to flow as soon as the positive
(+) terminals are connected.
[ i) Tips
• The discharged battery must be properly connected to the
vehicle's electrical system. When jump starting or charging the
battery , never connect the negative ground cable to the battery
negative post because the battery manager system must be able to
detect the battery's state of charge. Always connect the negative
ground cable to the negative ground post of the battery manager
control unit .•
Use of jumper cables
Make sure to connect the jumper cable clamps in exactly
the order described below!
Fig. 299 Jump starting
with the battery of
another vehicle: A -
discharged vehicle
battery, B -booster
battery
The procedure described below for connecting jumper
cables is intended to provide a jump start for your vehicle.
Vehicle with discharged battery:
-Turn off lights and accessories, move lever of automatic
transmission to
N (Neutral) or P (Park) and set parking
brake.
Connect POSITIVE (+) to POSITIVE (+) (red)
1. Connect one end to the positive terminal~ fig . 299 G)
of your battery @.
2. Connect the other end to the positive terminal
@ of the
booster battery
@.
Connect NEGATIVE (-) to NEGATIVE (-) (black)
3. Connect one end to the negative terminal @ of the
booster battery
@.
Vehicle care Do-it-yourself service irechnical data

______________________________________________ A_ l_,_ p _h_ a_ b_e _t_i c_ a _ l _in _ d_e _ x __ _
Weight-sensing mat .... .... . ... .. 246
When must the system be inspected?
231
Aircraft Transporting your vehicle .. .... .... 371
All Wheel Drive .. .... ....... .... .... 275
Alloy wheels ... .... .... .... ... .... .. 295
All -whee l drive
Winter tires .. ..... ... .... ..... .. . 343
A lternator
See Generator .... .... ... ..... ... . 18
Anti-freeze
See Engine coolant . ...... ..... .. . 316
Anti-lock brake system How the ABS system works . .... ... 274
Warning/indicator lights ... ... .... .. 21
Anti -Slip Regulation System (ASR)
How the system works ............ 272
An ti-t heft systems
Anti -theft ala rm system ...... .... .. 60
Electronic immob ilizer ... .. .... .... 49
Ashtray Front ... ...... ...... .... ..... ... 106
Rear .... ... .. .... .... ... .... .... 107
ASR How the Anti-Slip Regulation System works .. .... .... .... ... .... .... 272
Audi Service Repair Manua ls and Literature
382
AUTO mode AC climate con tro l .. .. .... ... .... . 1 17
Auto Safety Hotline . .... ........ .... . 209
Auto -Check Contro l .... ... .. .... .... .. 28
Controls and equip­
ment Safety first
Automatic belt
retractor ... .. ...... ... 215
Automatic car wash
See Washing ..... .... .... .... .... 291
Au tomatic Shift Lock (ASU .... .... .... 168
Automatic transmission 6-speed automatic transmission .... 166
Automatic Shift Lock (ASU .... ... .. 168
Driving ............. ............ . 166
Dynamic sh ift program .... ........ 169
Emergency release for selector lever 171
Fa il- safe mode . ...... .... .... .... 171
I gnition key safety lock . ...... .... . 130
Kick -d ow n .... .... .... .... ... .... 169
Manual shift program ... .. .... .... 170
Selector lever .... .... .... .... .... 1 67
Shift buttons ... .. .... .... .... ... 1 71
Steering wheel with tiptronic .. .... . 171
Average speed . ...... .... .... .... ... . 38
Avoid damaging the vehicle .. ..... ... . 28 1
B
Background ligh ting . .... ...... ... .... 76
Battery ... .. .... ... .... .... .... .... 320
Battery location inside the luggage compartment ...... .... ... .. .... 32 1
Charging ........................ 323
I mpo rta nt warn ings when work ing o n the
battery . .... .... .... ........ ... 32 1
low ............................. 276
Replacing the battery ....... .... .. 324
State of charge ... .... .... .... .... 276
Winter operation . .... .... .... .... 320
Working on the battery .... .... .... 321 Battery vo
ltage . ... .... .. .... .... .... . 36
Before driving ... .... .... ..... .. .... 201
Blended gasoline . .... .... .... ...... . 303
Body cavity sealing .. .... .... .... ... . 296
Boos ter seat ... .. .... .... ... .... .... 253
How do I properly insta ll a b ooster sea t in
my vehic le? ............... ..... 253
Safety instructions .... .......... .. 253
Brake fluid Changing the brake fluid ... .... .... 320
Checking the brake fluid level .. ... . 319
What is the correct brake fluid level? 319
What should I do if the brake f luid warning
light comes on? ... .. .... .... .... 319
Brake system Ant i-lock brake system . ..... .. .... . 21
Brake assistant .... .... .... ....... 27 4
Brake booster ..... .... ... .... .... 274
Brake fluid .... .... .... ... .... .... 319
Brake f luid specificat ions for re fill and
replacement . .... .... .... ...... . 320
Brake light defective ... ...... ...... 26
Brake pads ....... .... .... .... ... 280
Electromechanica l parking brake .... 134
Fluid reservoir .. ...... ..... .. .... 319
How does m oisture or road salt affec t the
brakes? . .... .... .... ....... .... 272
Malfunction ............ ... .. ..... 30
Warning/indicator lights .... .... .... 22
Worn brake pads symbol ........... 34
Break -in period .. .... .... .... .... ... 279
Brake pads ... .... .... .... ...... . 280
Tires . .... .... .... .... ... .... .... 279
Bu lbs . ... .... .... .... ... .... ...... . 36 4
Vehicle operation Vehicle care Do-it-yourself service Technical data

___ A_l.:,. p _h_ a_ b_e _t _i c_ a_l _i n_ d_e _x ____________________________________________ _
Driver information display
Driver information messages .. .... . 29
Introduction . ....... ... .. .... .... . 24
Open door or rear lid warning .. .... . 26
Outs ide temperature disp lay .... .... 25
Sound system display ... .. .. . .... . 25
Driver In forma tion Sys tem
Digital speedometer . . . . . . . . . . . . . . . 25
Driver's seat . . . . . . . . . . . . . . . . . . . . . . . . 87
Driver's seat memory . . . . . . . . . . . . . . . . . 94
Activating remote contro l key . ..... . 95
Recalling a seat position ...... .... . 94
Storing a seat position . ...... ..... . 94
Driving messages .................... 29
Driving safely ... .... ... .... ... .. ... 200
Driving time . .... .... .... .... .... .... 38
Dupl icate key . ........ ... .... .... ....
47
DVD player for navigation system . . . . . 112
E
Easy entry feature 129
Elect romechanica l parking brake
Emergency braking .... .... ... .... 136
Malfunction .. .... .... .... ... .... 136
Operation . . . . . . . . . . . . . . . . . . . . . . . 134
Parking . . . . . . . . . . . . . . . . . . . . . . . . . 135
Releasing and app lying .. .... ..... 134
Starting off with a trailer . .... ..... 136
Warning /indicator lights . .......... 22
Electronic differential lock (EDU How the system works . . . . . . . . . . . . 271
Warning/indicator lights . .... ..... . 21 Electronic immobili
ze r .. .. .... ..... 14 , 49
Electronic power control (EPC) warning/indicator light ... ..... 18
Electronic speed limiter .... .... .... ... 28
Electronic stabi li z ation program (ESP)
How the system works ....... .... . 270
Wa rning/indicator ligh ts ........... 18
Emergency braking . .......... .. ... . 136
Emergency closing Power sunroof . ... .... .... .... . 66 , 67
Emergency flasher . . . . . . . . . . . . . . . . . . . 73
Warning/indicator ligh ts ........... 19
Emergency locking . . . . . . . . . . . . . . . . . . . 54
Emergency locking of doors .. ... ... .. . 54
Emerg ency starting . ...... .. ... .... . 366
Emergency towing .. ... .. ... .. .. .... 368
Emergency warning triangle .. ... .... . 350
Energy management ... .. ..... ... ... 276
Battery power . . . . . . . . . . . . . . . . . . . 277
Driver no tification . . . . . . . . . . . . . . . . 277
Engine 4.2 1, 8-cylinder (350 hp) .... ... .... 310
6.0 I, 12 -cylinder (450 hp) . ...... ... 311
Compartment ... .... .... .... 3 10,311
Coolant . .. ...... ... ........ .. ... 316
Hood . .... .... .... .... ........ .. 308
Starting .. .... ... ..... ... ... 129, 130
Starting wi th jumper cables ... .... 366
Stopping ............ .... .... .... 131
Engine compartment ... .... .... ..... 310
Safety instructions .......... .... . 309
Working the engine compartment .. 309 Engine coolant
.. .. .. .. .. .... .... ... 316
Adding coolant ... .... .... .... ... 318
Checking the engine coolant level .. 317
Expans ion tank .... ... .... .... ... 317
Malfunction symbol ... .... .... .... 31
Radiator fan .... . ...... .... .. ... . 319
Temperature gauge ... .... .... .. .. 12
Engine data .. ..... .. . ... ... . .. .. .. . 380
Engine hood Closing ... .. .... .... .. .. . ... ... . 309
How to release the hood . . . . . . . . . . 308
Engine oil ... ..... .... .... .. . ... ... . 311
Adding ..... .... .... .. .. . ... ... . 314
Additives . ... .... .... .. .. . ... .... 314
Changing .... .... .... ... . ... .... 315
Checking the engine oil leve l ....... 313
Indications and conditions requir ing extra
checking .... .... .... ... .... ... 313
Oil consumption . ...... .. .. ... .. . 313
Oil grades ..... ... ... ...... ... .. . 311
Oil level symbol .. ........ .... ... .. 35
Pressure malfunction ...... .... .. . . 32
Recommended oil check intervals . . 313
Sensor defec tive . . . . . . . . . . . . . . . . . . 35
Speci fication and viscosity .. .... ... 311
Engine speed limitation . ... .. ... .... .. 35
Environment Break -in period ....... ........... 279
Catalytic converter .... ..... ...... 280
Disposing of your vehic le battery ... 324
Driving at high speeds ... .... ... .. 281
Driving to minimize pollution and noise . 281
Fuel .. ...... ....... ...... .... ... 305