2018 AUDI S4 open gas tank

any circumstances. Immediately contact the
nearest authorized Audi dealer or author­
ized Audi Service Facility for assistance.
These fuels contain substances that can se­
verely damage the fuel system and the en­
gine if the engine is started.
Refueling
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 instruc­
tions see
¢page 319.
You can find the fuel tank capacity of your vehicle
in
¢page 381.
The label on the inside of the fuel filler flap tells
you the correct fuel for your vehicle. For more in­
formation about fuel specifications, see
<=?page 315.
Your veh icle fuel tank has an onboard refuelling
vapor recovery system. This feature he lps to pre­
vent fuel vapors from escap ing from the tank and
polluting the environment while you refuel your
vehicle . In order to fill the tank properly while
protecting the environment, please follow this
refueling procedure carefully.
A WARNING
Under normal operating conditions, never car­
ry additional fuel containers in your car. Gas
canisters and other containers used to trans­
port fuel can be dangerous. Such containers,
full or empty, may leak and could cause a fire
in a collision. If you must transport fuel to
use for your lawn mower, snow blower, etc.,
be very careful and always observe local and
state laws regarding the use, transportation
and storage of such fuel containers. Make cer­
tain the container meets industry standards
(ANSI/ASTM F8S2
-86).
(D Note
Never dr ive your vehicle until the fuel tank is
completely empty. The irregu lar supply of
Checking and Filling
fuel can cause misfiring. Gasoline could enter
the exhaust system and damage the catalytic
converter.
Fueling procedure
Fig. 260 Right rear side of the vehicle: opening the fuel
f ilte r door
Fig. 261 Fuel filler door with attached fuel cap
The fuel filler door is unlocked or locked by the
central locking system.
Opening the fuel cap
.,. Press the left side of the fuel filler door to open
it¢
fig. 260 -arrow-.
.,. Unscrew the tank cap counterclockwise.
.,. Place the cap from above on the open fuel filler
door¢
fig. 261.
Closing the fuel cap
.,. Turn the fuel cap to the right until it stops.
.,. Close the fuel filler door until it latches.
Once the pump nozzle switches off, the fuel tank
is "full". Do not fill the tank more. Otherwise the
expansion space in the tank will be filled.
The correct fuel type for your vehicle can be
found on a label located on the inside of the fuel
.,.
317

a co .... N ,....
N .... 0 0
3 co
Fuse panel © (brown)
4 Audi side assist
8 Smart module (tank)
11 12 Volt battery
12 Homelink
13 Rearview camera, peripheral cameras
14 Right tail lights
16 Right safety belt tensioner
Fuse panel © (red)
No . Equipment
2 Sound-amp
lifier
3 AdBlue heating
5 Trailer hitch (right light)
7 Trailer h
itch
8 Trailer hitch (left light)
9 Trailer h itch (socket)
10 Sport differential
11 AdBlue heating
Bulbs
Replacing light bulbs
For your safety, we recommend that you have
your authorized Audi dealer replace any bulbs for
you.
It is becoming increasingly more and more diffi­
cult to replace vehicle light bulbs since in many
cases, other parts of the car must first be re­ moved before you are able to get to the bulb.
This applies especially to the light bulbs in the
front of your car which you can only reach
through the engine compartment.
Sheet metal and bulb holders can have sharp
edges that can cause serious cuts, parts must be
correctly taken apart and then properly put back
together to help prevent breakage of parts and
l ong term damage from water that can enter
housings that have not been properly resealed.
For your safety, we recommend that you have
your author ized Audi dealer replace any bulbs for
you, s ince your dealer has the proper tools, the
correct bulbs and the expert ise.
Fuses and bulbs
Gas discharge lamps (Xenon lights) :
Due to the high e lectr ical voltage, have the bulbs
replaced by a qualified technician. Headlights
with Xenon light are identified by the high volt­
age sticker .
LED headlights*
LED headlights require no maintenance. Please
contact your authorized Audi dealer if a bulb
needs to be replaced .
.&, WARNING
Changing Xenon lamps without the necessary
equipment can cause serious personal injury.
- Bulbs are pressurized and can explode when
be ing changed. Potential risk of injury!
- On veh icles equipped with gas discharge
bu lbs (Xenon light) life-threatening injuries
can resu lt from improper handling of the
h ig h-vo ltage portions of such lamps!
- Only your authorized Audi dealer or quali­
fied workshop should change the bulbs in
gas discharge lamps. There are parts with
sharp edges on the openings and on the
bulb holders that can cause serious cuts. If
you are uncertain about what to do, have the work performed by an authorized Audi
dealer or qualified workshop. Ser ious per­
sonal injury may result from improperly per­
formed work.
(D Tips
- If you st ill prefer to replace the light bulbs
yourself, be aware that the engine compart­ ment is a hazardous area to work
in¢ A in
Working in the engine compartment on
page 323.
- It is best to ask your authorized Audi dealer
whenever you want to change a bulb .
373

Index
Fue l filler neck . . . . . . . . . . . . . . . . . . . . . . 317
F ue l gauge . . . . . . . . . . . . . . . . . . . . . . . 10, 12
Fue l tank capac ity . . . . . . . . . . . . . . . . . . . 381
Gasoline . .. .. ...... ......... .... ... 315
Gasoline additives . . . . . . . . . . . . . . . . . . . 316
Octane rating . . . . . . . . . . . . . . . . . . . . . . . 315
Recommendation . . . . . . . . . . . . . . . . . . . . 315
Saving fue l . . . . . . . . . . . . . . . . . . . . . . 80, 134
Fueling Fue l gauge . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Fuel tank capac ity . . . . . . . . . . . . . . . . . . . 381
O pening the fuel fille r door . . . . . . . . . . . . 317
Fuses Assignment . . . . . . . . . . . . . . . . . . . . . . . . 370
Replac ing . . . . . . . . . . . . . . . . . . . . . . . . . . 369
G
Garage doo r opener
refer to Homelink . . . . . . . . . . . . . . . . . . . . 52
Garment hoo ks . . . . . . . . . . . . . . . . . . . . . . . . 69
Gas discharge lamps . . . . . . . . . . . . . . . . . . . 373
Glossary of tire and loading terminology .. 336
Glove compartment . . . . . . . . . . . . . . . . . . . . 69
V al et par kin g f unction . . . . . . . . . . . . . . . . . 5 1
Gross Vehicle Weight Rat ing (GVWR) . . . . . 380
H
Handsfree . . . . . . . . . . . . . . . . . . . . . . . . . . . 175
H ead -up display . . . . . . . . . . . . . . . . . . . . . . . 24
H eadlight range control system . . . . . . . . . . 54
Headlights . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
C lean ing . . . . . . . . . . . . . . . . . . . . . . . . . . . 355
H eadlight range control system . . . . . . . . . 54
Washer system . . . . . . . . . . . . . . . . . . . . . . 60
Head restraints . . . . . . . . . . . . . . . . . . . . 66, 25 7
Adj usti ng . . . . . . . . . . . . . . . . . . . . . . . . . . 257
H ea ting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
H eavy clothing and safety belts . . . . . . . . . . 265
High beams . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Assistant . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Hi ll descent ass ist. . . . . . . . . . . . . . . . . . . . . 14 8
Hi ll descent control . . . . . . . . . . . . . . . . . . . . 94
H ill hold ass ist . . . . . . . . . . . . . . . . . . . . . . . . 89
also refer to Hill hold ass ist . . . . . . . . . . . . 89
H ome address .. .. .. .............. 206, 2 12
392
Homelink . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Hor n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
How are child restraint system anchors relat-
ed to c hild safety . . . . . . . . . . . . . . . . . . . . . 309
How many a irbags does my vehicle have? . . 278
How safety belt pre tensioners work . . . . . . 269
I
Imbalance (whee ls) . . . . . . . . . . . . . . . . . . . 342
Immobilize r . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Important things to do before dr iv in g . . . . 254
Importing and expo rting (contacts) . . . . . . 185
I mprope rly wo rn safety bel ts . . . . . . . . . . . 269
Ind icator lights . . . . . . . . . . . . . . . . . . . . . . . . 25
Airbag system . . . . . . . . . . . . . . . . . . . . . . 283
PASS ENG ER A IR BAG . . . . . . . . . . . . . . . . . 283
Infant seats . . . . . . . . . . . . . . . . . . . . . . . . . 301
I np ut
U sing the M MI touch . . . . . . . . . . . . . . . . . 158
U sing the speller . . . . . . . . . . . . . . . . . . . . 162
I np ut level (media) . . . . . . . . . . . . . . . . . . . . 239
Inspection interva l . . . . . . . . . . . . . . . . . . . . 333
Installing the upper te ther s trap on t he an ­
c h o rage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 313
Instrument cluster . . . . . . . . . . . . . . . . . . . . . 10
Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . 356
Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Instrument illumination . . . . . . . . . . . . . . . . 58
Interior lighting . . . . . . . . . . . . . . . . . . . . . . . 57
Internet
refer to Aud i connec t (Infotainmen t) . . . . 188
Internet radio . . . . . . . . . . . . . . . . . . . . . . . . 232
Interval mode (wipers) . . . . . . . . . . . . . . . . . . 60
i Phone
refer to Aud i m usic interface . . . . . . . 233, 234
J
Jukebox 229
Jump-start ing . .. .. .. .. .. ........... .. 374
Jump start cable . .. .. .. .. ........... .. 375