fuel pump AUDI S8 2011 Owners Manual

218 Fuel supply and filling your fuel tank
Fuel supply and filling
your fuel tank
Gasoline
Fuel supply
Using the righ t fuel helps keep the environ­
ment clean and preven ts engine damage .
Fuel recommendation
The fuel recomme nded for you r vehicle is un­
lead ed premium
g rade gasoline . See also
¢ pag e 282, Data . Audi recommends usi ng
T OP TIER D eterge nt Gaso line wi th a mini mum
octane r atin g of 9 1 AK I (95 RON). For more
info rmation on TO P TI ER De tergent Gaso line,
p lease go to t he officia l webs ite (www.toptier ­
gas.com).
T he re commended g asoline oct ane r ating for
your engine can a lso be fo und on a la bel locat­
e d on the ins ide of the fue l filler flap . This rat ­
ing may be specif ied as A KI or RON.
Your veh icle m ay also be oper ated using un­
l eaded regular gas oline with a min imum o c­
tane rating of 87 AKI/91 R ON. However, using
87 AKI/91 RON octa ne f ue l w ill slightly re ­
d uce eng ine perfo rmance.
Use unleaded gasoline only. Unleaded g aso­
line is available th rougho ut the USA, Ca nada ,
and in most E uropean countries . We recom­
mend that you do not ta ke yo ur vehicle t o
areas or countries where unleaded gasoline
may not be avai lable.
F or mo re informat io n on refue ling your ve hi­
cle, see
¢ page 219.
Octane rating
Octa ne r ating in dicates a g aso line's abili ty to
res ist engine damaging "knock" ca used by
p remature ign ition and detonation. Therefore,
buy ing the correct grade of gaso line is very
important to help prevent possible engine
damage and a loss of engine performance.
Gasoline most commonly used in the Unite d
States an d Canada has the following octane r
at ings t hat can usu a lly be found on the fi ller
pump:
- Pre mium Gra de: 91 -96 A KI
- Regular Grade : 87 -90 AKI
Explanation of the abbreviations:
AKI = Anti K nock Index= (R+M) /2 = (RO N
+ MON)/2
R ON= Resea rch Octane Numb er
MON = Motor Octane Number .
(D Note
-Do not use a ny f ue l w it h octane rat ings
lower tha n 87 A KI or 91 RO N othe rwise
expensive engine damage w ill occur.
- Do
not use leaded gasoline. The use of
leaded gasoline w ill severely damage
yo ur v ehicl e's catalytic co nve rter a nd its
ability to co ntrol exha ust em ission s.
Blended gasoline
U se of gasoline containing alcohol or
MTBE (methyl tertiary butyl ether)
You may use unleaded g asoline blende d with
alcohol o r MTBE (commonly referred to as
oxygenates) if the blende d mixture meets t he
f o llow ing criteria :
Blend of gasoline methanol (wood alcohol or
methyl alcohol)
-Anti -kno ck index mus t be 87 A KI or higher.
- Blend must contain no mor e than 3% me th-
anol.
- Blend must contain more than 2% co-sol-
ve nts .
Blend of gasoline and ethanol (grain alcohol
or ethyl alcohol)
- Anti -knoc k index must be 87 AKI or higher .
- Blend must not conta in mo re than 10%
ethanol.
Blend of ga soline and MTBE
- Anti-knoc k index must be 87 AKI or high er. ll-

220 Fuel su ppl y and filli ng your fu el t ank
transport fue l to use for your lawn mower,
snow blower, etc., be very careful and al ­
ways observe local and state laws regard­
ing the use, transportat ion and storage of
such fuel containers . Make certain the con­
tainer meets industry standards (ANSI/
AS TM F852 - 86) .
(D Note
Never drive your vehicle until the fuel tank
is completely empty. The irregular supply
of fuel can cause misfiring . Gasoline could
enter the exhaust system and damage t he
catalyt ic converter.
Refuelling
Fig. 172 Rig ht rea r vehicle s ide: Ope ning t he fuel fille r
f lap
Fig . 173 Fuel filler fla p with attached fuel c ap
When activating the central locking, the fuel
fi ller flap is automatically un locked or locked.
Refue l the vehicle with the ignition switched
off.
Taking the fu el cap off
• Press the left side of the fuel filler flap to
open it
q fig . 172 -arrow-.
• Unsc rew fuel filler cap counter-clockwise
and hang it on the fuel fill er flap
¢ fig. 173 . Refuell
ing proc edur e
• Insert the fuel nozzle from the gasoline
pump into the fuel fi ller neck as far as it wi ll
go .
• Sele ct a med ium r efuelling rate so that the
no zz le switches off automatically when the
tank is full .
Putting th e fu el cap ba ck on
• After filling your tank, twist the fuel filter
cap clockwise as far as it w ill go.
• Close the fue l fill er flap.
T o avoid fuel spilling or evaporating from the
fuel tank always close fuel filter cap properly and completely. An improperly closed fuel fi ll­
er cap may also cause the MIL lamp
cc> page 2 7
to come on.
A WARNING
Improper refue ling or handling of fuel can
cause fire, explosion and severe burns.
- Fuel is highly flammable and can cause
severe burns and other injur ies .
- Fai lure to shut the engine off while refu­
eling and/or to insert the pump nozzle
fully into the fuel filter neck could cause
fuel to spray out of filler neck or to over­
flow. Fue l spray and overflowing fuel can
cause a fire .
- Never use a ce llular telephone whil e re­
fue ling . T he electromagnet ic rad iat io n
can cause sparks that can igni te fuel va­
pors and cause a fire.
- Never get back into your vehicle whi le re­
fuel ing.
If in exceptional circumstan ces
you must get back in your vehicle while
ref ueling, 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 f lame any­
where in or near your veh icle when refu­
eling or filling a portable fue l conta iner .
- For your safety, we strongly recommend
that you do not travel with a portable

Fuse panel@ (red)
No. Equipment
= '
I 6 Right headlight (headlight
with adaptive light)
I
7 ESP control module
8
9 Adaptive cruise control
Transmission control mod-
10 ule
11 Climate control system sen­
sors
Fuse panel @ (brown)
No
. II Equipment
Electromechan ical parking
1 brake
2 Suspension control system
sensor
Right rear door control mod-
3 ule
4 Smart-Modul Tank
5 Front climate control system
controls
6 Rear climate control system
controls
7 Networking gateway
8 Refrigerator
Interface for spec ial func-
9 tions
12 Selector lever
13 Ambient lighting
14 Rear exterior lighting
15 Fuel pump
16 Electromechanical parking
brake
Fuse panel @ (black)
Equipment
3 Rear sockets*
5 adaptive air suspension
6 115-V socket
7 Electromechanical parking
brake
II
Amps
10
s
5
10
5
5
Amps
5
5
7,5 5
15
10 5
15
5
10
10
20
25
30
Amps
20
15
25
30
=
Fuses and bulbs 271
Fuse panel @ (black)
No. Equipment
8 Rear seat heating
9 Rear exterior lighting
10 Rear
climate control system
blower
Rear sun shade, closing aid,
11 luggage compartment lock,
keyless
go/entry, fuel filler
door
12 luggage compartment lid
control module
Fuse panel E (red)
No. Equipment
1 Rear
seat adjustment but-
tons
3 Left rear seat
(pneumatics)
5 Trailer hitch control modu le*
6 Left rear seat
7 Right rear seat
8 Trailer hitch control module*
9 Trailer hitch control module*
10 Right rear seat (pneumatics)
Fuse panel ® (brown)
No. Equipment
1 Radio receiver/sound ampli-
fier
Sound amplifier, Bang&
2 Olufsen Advanced Sound
System
Rear Seat Enterta inment, ra-
3 dio receiver/sound amplifier
Automatic dimming interior
5 rearview mirror, rearview
camera (parking aid)
6 DVD changer
7 TV tuner
8 MMI unit/drives
9
Instrument cluster, analog
clock
10 MMI Display
Amps
25
20
20
20
30
Amps
s
7,5
20
30
30
20
15
7,5
30
30 10
5
5
5
7,5
5
5
•
•
....