2015 AUDI S8 open gas tank

222 Fuel su ppl y and fillin g yo ur fu el t an k
Cold diesel engines normally produce louder
noises during winter conditions than during
warmer periods . In addition, the exhaust gas ­
es may be light blue in color until the engine has warmed up.
.&_ WARNING
Never use starting assist fluids. They may
be potentially explos ive or cause a "run­
away" engine condition . Th is could resu lt
in ser ious persona l injury and eng ine dam­
age.
- Your vehicle's diesel engine was de­ signed so ley for use with ULSD No. 2.
Therefo re, never use gaso line, heat ing
oi l or other fuels. These fuels contain
substances that will severely damage the
fuel system and the engine. Such dam­
age will not be covered by your New Ve­ hicle limited Warranty.
- If you put any amount of incorrect fue l in
the fue l tank, do not start the engine un­
der any circumstances. Immediately con­
tact the nearest authorized Audi dealer
or authorized Audi Service Facility for as­
s istance. These fuels contain substances
that can severely damage the fuel sys­
tem and the engine if the engine is start­
ed .
- Do not mix additives such as "flow im­
provers", gasoline or other substances
with ULSD No. 2.
Fuel tank
Fuel filler neck
The fuel filler neck is located on the right rear
side panel behind the fuel filler flap .
If the power locking system should fail, you
can still open the flap manually- for detailed instructions see
c> page 2 2 4 .
You can f ind the fue l tank ca pa city of your ve­
hicle in
<=> page 288.
The label on the inside of the fuel f iller flap
te lls you the correct fue l for your vehicle. For
more information about fuel specifications,
see
c> page 220.
Your vehicle fuel tank has an on board refuel­ ling vapor recovery system. This feature helps
to prevent fuel vapors from escaping from the
tank and polluting the environment while you
refuel your vehicle. In order to fill the tank
proper ly while protecting the environment,
please follow this refueling procedure careful­
ly .
.&_ WARNING
Under normal operating cond itions , never
ca rry addit ional fue l conta iners in your car .
Gas canisters and other containers used to
transport fuel can be dangerous. Such con­
tainers, fu ll or empty, may leak and could
cause a fire in a collision. If you must
transport fuel to use for your lawn mower,
snow b lower, etc ., be very careful and al­
ways observe local and state laws regard­
i ng the use, transportation and storage of
such fuel containers. Make certa in the con­
tainer meets industry standards (ANSI/
ASTM
F852 -86).
{(y Note
Never drive your veh icle until the fuel tank
i s completely empty. The irregula r supply
of fue l can cause misfir ing. Gasoline cou ld
enter the exhaust system and damage the
catalytic converter.

Refuelling
Fig. 190 Right rear vehicle sid e: Opening t he fuel filler
flap
Fig. 191 Fu el filler flap with attached fuel cap
When activating the central locking, the fuel
filler flap is automatically unlocked or locked.
Refuel the vehicle with the ignition switched
off.
Taking the fuel cap off
• Press the left side of the fuel filler flap to
open it¢
fig. 190 -arrow- .
• Unscrew fuel filler cap counter-clockwise
and hang it on the fuel filler flap
r;, fig. 191.
• Check the label on the inside of the fuel fill­
er flap to determine if the vehicle must be
fueled with gasoline or diesel fuel.
Refuelling procedure
• Insert the fuel nozzle from the gasoline
pump into the fuel filler neck as far as it will
go.
• Select a medium refuelling rate so that the
nozzle switches off automatically when the
tank is full.
Putting the fuel cap back on
• After filling your tank, twist the fuel filler
cap clockwise as far as it will go.
• Close the fuel filler flap.
Fuel supply and filling your fuel tank 223
To avoid fuel spilling or evaporating from the
fuel tank always close fuel filler cap properly
and completely. An improperly closed fuel fill­
er cap may also cause the MIL lamp¢
page 29
to come on (only vehicles with gasoline en­
gine).
A WARNING
-
Improper refueling or handling of fuel can
cause fire, explosion and severe burns.
- Fuel is highly flammable and can cause
severe burns and other injuries.
- Failure to shut the engine off while refu­
eling and/or to insert the pump nozzle
fully into the fuel filler neck could cause
fuel to spray out of filler neck or to over­
flow. Fuel spray and overflowing fuel can
cause a fire.
- Never use a cellular telephone while re­
fueling. The electromagnetic radiation
can cause sparks that can ignite fuel va­
pors and cause a fire.
- Never get back into your vehicle while re­
fueling. If in exceptional circumstances
you must get back in your vehicle while
refueling, make certain that you close
the door and touch metal to discharge
static electricity before touching the fill­
er nozzle again. Static electricity can
cause sparks that can ignite fuel vapors
released during refueling .
- Never smoke or have an open flame any­
where in or near your vehicle when refu­
eling or filling a portable fuel container.
- For your safety, we strongly recommend
that you do not travel with a portable
fuel container in your vehicle. The con­
tainer, full or empty may leak and could
cause a fire, especially in a crash.
- If, under exceptional circumstances, you
must transport a portable fuel container,
please observe the following:
- Never fill a portable fuel container
while it is anywhere in or on the vehicle
(for example, in the luggage compart­
ment, or on the trunk). Static electrici­
ty can build up while filling and can ig-
nite fuel vapors causing a fire. .,.
'------------=---------

,....,
N ,....,
N
0 J:
'SI: ,...., \!) 1.1'1 ,...., 1.1'1 ,....,
Index 299
-----------------------------------.......
Emergency warning triangle ... .. .. .. . 266
Energy management ................ 202
Engine Compartment ..................... 230
Coolant .. ............... ......... 236
Data .. .. ..... ........... ...... .. 289
Start-Stop-System . . . . . . . . . . . . . . . . . . 87
start ing .. .. ................. .. .. .. 83
Starting wi th jumper cab les ......... 281
S topping . . . . . . . . . . . . . . . . . . . . . . . . . . 83
Eng ine compartment ................ 230
C losing the hood ................ .. 229
Opening the hood ............ .. ... 228
Safety in structions .......... .. .. ... 228
Wo rking in the engine compa rtment .. 22 8
Eng ine coolant ..................... 236
Adding coolant ............ ...... .. 237
Checking the eng ine coolant leve l ... .. 237
E xpansion ta nk .................... 237
M alf unc tion symbo l ................. 15
Radiato r fan . ..... .... ... .. .. .. ... 238
Temperature ga uge .... ... .. .. .. .. .. 10
E ng ine oil . .. ..... ........ ...... .. . 23 1
Adding . ... ................ ... .. . 234
Addit ives . .. ................. .. .. . 234
Changing . ... ... ..... ... .. .. .. ... 235
C hecking oil level . ..... ... .. .. .. .. . 234
C hec king the engine oil level . ... .. .. . 233
Consumpt ion .................. ... 234
Indications and condit ions requ iring ex-
tra check ing ...................... 233
Indicator light . . . . . . . . . . . . . . . . . . . . . 17
O il consumption .... ... ... .. .. .. .. . 233
O il grades .. ................. .. ... 23 1
P ressu re malfunction ................ 17
Recommended oil check in tervals .. ... 233
Sensor defective . . . . . . . . . . . . . . . . . . . . 21
Specification and viscosity . ... .. .. .. . 23 1
E ng ine sound ............. .... .. .. . 108
Eng ine speed limitat io n ............... 21
E ng ine start -stop mode
refer to Sta rt-Stop -Sys tem ... .. .. .. .. 89
E ntry assistance . . . . . . . . . . . . . . . . . . . . . 64
Environment Break- in period ............... .. ... 205
Catalytic converter ............... .. 206
D iese l part icu late filter ............. 206
Di sposing of yo ur vehicle batte ry 2 43 Driving at high speeds
.. ..... ... .. .. 208
Drivi ng to minimize poll ution and noise 207
Fuel . ... .. .. .. .. .. . .. ... .... ... .. 223
Fuel economy ..................... 207
Leaks under your vehicle ............ 228
Letting the vehicle stand and warm up . 208
Proper disposal of dra ined brake fl uid . 239
Proper disposal of d ra in ed eng ine cool-
an t ............................. 237
P roper disposal of dra ined eng ine
o il . . . . . . . . . . . . . . . . . . . . . . . . . 234, 235
Recycling used engine oil ..... ... .. .. 234
U nl eaded fuel .. .. .. . ... ...... ... .. 220
What shou ld I do with an o ld battery? . 243
E PC
refer to Elect ron ic power control (EPC) . 20
ESC Post-coll is ion b ra ke assist .......... . 198
also refer to Electronic Stab ili zation Con-
t ro l (E SC) ... .. ................... 197
Event Data Recorder (EDR) ............ 196
Exhaust tail pipes Cleaning . ... .... .. . .. .. ..... ... .. 216
E xpansion tank .. ... ................ 237
Exterior lighting ..................... 46
Exterior mi rrors
Adjusting ... .... .. . .. .. ..... ... .. . 55
Dimming ...... ................... . 56
Heating . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
E xterior tempera ture display ........... 23
F
Fastening
B oos ter sea ts .. ................... 182
Convertib le child sa fety seats . ... .. .. 18 1
Infant seats ... .... . ... ...... ... .. 180
Floor mats .. ... .... ........... ..... 139
Fo lding table .... .................... 69
Foot ped als . .... ................... 138
For the sake of the environment
Gasoline fumes and the env ironment .. 223
Reduc ing engine nois e by ea rly upshift-
i ng ............................... 10
Ref uell ing ... .. ................... 22 3
Saving f uel by early upsh ifting ... .. .. . 10
Four zone automat ic climate control ..... 79
•
•

300 Index
Front airbags
Description .... . ...... ... .. .. .... .
155
Howtheywork . ... .... ... .. .. .... . 160
Fr onta l co llisions and the laws of physics 144
Front passenger seat adjustment ... .. .. 64
Front seats . . . . . . . . . . . . . . . . . . . . . . . . . 58
Adjusting . .... . ...... ... .. .. .... . 135
Child restraints in the front seat ..... . 153
Fue l
Additives .... .. .. ..... ... .. .. .... .
220
Blended gasoline . ..... ... .. .. .... . 220
Current consumptio n . . . . . . . . . . . . . . . . 25
Economy messages (efficiency program) 26
Fuel filler flap emergency release .... . 224
Fuel filler neck ........... .. .. .. .. . 222
Fuel gauge . . . . . . . . . . . . . . . . . . . . . . . . 11
Gasoline ..................... ... . 220
Gasoline additives . ........... .. .. . 221
Low fue l level symbo l . . . . . . . . . . . . . . . 21
Octane rating .......... .. .. .. .. .. . 220
Recommendation . ..... ... .. .. .... . 220
Refue lling . .... .. ..... ... .. .. .... . 223
Reserve .... ... .. ..... ... .. .. .... .. 11
Tank capacity . . . . . . . . . . . . . . . . . 11,288
Fu ses
Assignment . .. .. ..... ... .. .. .... .
276
Rep lacing . .. .. .. ..... ... .. .. .... . 276
G
Garage door opener (Homel in k) .. .. .. . 131
Garment hooks ................. ..... 75
Gas discharge lamps ... ... .. .. .. .. .. . 280
Gauges
Eng ine coolan t temperature .. .. .. ....
10
Fue l gauge . . . . . . . . . . . . . . . . . . . . . . . . 11
Speedometer . . . . . . . . . . . . . . . . . . . . . . 26
Tachometer . . . . . . . . . . . . . . . . . . . . . . . 11
Trip odometer . . . . . . . . . . . . . . . . . . . . . 26
General illustration . . . . . . . . . . . . . . . . . . . 8
Generator ..................... .....
16
Glossary of t ire and loading termino logy 246
Glove compartment (cooled) ........... 75
Glow plug system
Indicator light . . . . . . . . . . . . . . . . . . . . .
20
Gross Vehicle Weight Rating (GVWR) .. . 287
H
Head -up Display . . . . . . . . . . . . . . . . . . . . . 28
Head lights
Cleaning .. .. .. .. .. ........ ...... .
215
Cleaning system . . . . . . . . . . . . . . . . . . . . 53
De fec tive . . . . . . . . . . . . . . . . . . . . . . . . . 22
Head light range control . . . . . . . . . 22 , 46
High beam assist .... .. ..... ... .. .. . 49
Washer reservoir ... ... ..... ... .. .. 244
Head restrai nts . . . . . . . . . . . . . . . . . 65, 13 7
Adjusting . .. .. .. ............. .. .. 13 7
Heated exter ior mirro rs . . . . . . . . . . . . . . . . . . . .
55
rear w indow . . . . . . . . . . . . . . . . . . . . . . . 80
sea ts . .. .. .. .. .. .. ............. .. . 80
windshield washer sp ray no zzles . . . . . . 53
Heating ...... .. .. .. ... ....... ... .. . 78
Heavy clothing and safety be lts . ... .. .. 146
Hig h beam .. .... .. ............. ..... 48
Hig h voltage warning label ........... 287
Hill descent contro l .. .... .... ... .. .. 117
Homelink universal remote control .... 131
Hood (re lease lever) . .... ..... ... .. .. 228
Hor n ............................... 8
How are child restraint system anchors re-
lated to chi ld safety .......... .......
187
How many airbags does my vehicle have? 158
How often should I che ck my tire pres-
s ur es? . .. .. .. .. .. ............... ..
2 52
How safety belt pretens ioners work .. .. 149
Hydrop laning ..... ... .. ..... ... .. .. 256
I
Ig nition
Indica tor lights .. .. .... .... ... .. .. .
17
Switching on/off .... .. ..... .... . .. . 83
Immobilize r .. .. .. ............. .. .. . 26
Important t hings to do before driving .. 133
Improperly worn safety belts . . . . . . . . . . 149
Ind icator lights
Dynam ic steer ing ................. .
201
also refer to Warning/indicator lights . . 11
Infant seats .... .. ............. .... 180
Installing child safety seats
Safety be lts . . . . . . . . . . . . . . . . . . . . . .
184