2015 AUDI S4 power steering

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0 ::.,: co ,...., \!) 1.1'1 ,...., 1.1'1 ,....,
Safety belts . . . . . . . . . . . . . . . . . . . . . 139
Safety belt pretensioners . . . . . . . . . . 142
Airbag system . . . . . . . . . . . . . . . . . 144
Important things to know . . . . . . . . . . 144
Front airbags . . . . . . . . . . . . . . . . . . . . 148
Monitoring the Advanced Airbag
System . . . . . . . . . . . . . . . . . . . . . . . . . 154
Side airbags . . . . . . . . . . . . . . . . . . . . . 159
Side curtain airbags . . . . . . . . . . . . . . . 162
Child Safety . . . . . . . . . . . . . . . . . . . 165
Important things to know . . . . . . . . . . 165
Child safety seats ............ .. ... 171
Installing a child safety seat .. .. .. .. 175
L ATCH Lower anchorages and tether
for child ren. ............. .. .. .. .. 179
Additional Information
183
Vehicle operation . . . . . . . . . . . . . 184
Intelligent technology . . . . . . . . 184
Notice about data recorded by the
Event Data Recorder and vehicle
control modules . . . . . . . . . . . . . . . . . . 184
Electronic Stabili zation Control (ESC) . 185
Braking . . . . . . . . . . . . . . . . . . . . . . . . . 188
Electro -mechanical power assist,
dynamic steering . . . . . . . . . . . . . . . . . 190
Driving with your quattro . . . . . . . . . . 190
Energy management . . . . . . . . . . . . . . 191
Driving and environment . . . . . 193
The first 1,000 miles (1,500 km) and
afterwards . . . . . . . . . . . . . . . . . . . . . . 193
Avoid damaging the vehicle. . . . . . . . . 193
Driving through water on roads . . . . . 193
Catalytic converter . . . . . . . . . . . . . . . . 194
Shutting down vehicle . . . . . . . . . . . . . 195
Operate your vehicle economically and minimize pollution . . . . . . . . . . . . . . . . 195
allroad: Driving offroad . . . . . . . . . . . . 197
Trailer towing . . . . . . . . . . . . . . . . . 199
Driving with a trailer . . . . . . . . . . . . . . 199
Trailer towing tips . . . . . . . . . . . . . . . . 201
Table of contents 3
Vehicle care . . . . . . . . . . . . . . . . . . .
202
Vehicle care and cleaning . . . . . 202
General information . . . . . . . . . . . . . . 202
Car washes . . . . . . . . . . . . . . . . . . . . . . 202
Cleaning and care information . . . . . . 203
Fuel supply and filling your
fuel tank . . . . . . . . . . . . . . . . . . . . . . .
207
Gasoline . . . . . . . . . . . . . . . . . . . . . . . . 207
Fuel tank . . . . . . . . . . . . . . . . . . . . . . . . 209
Checking and filling . . . . . . . . . . . 212
Engine hood . . . . . . . . . . . . . . . . . . . . . 212
Engine compartment ... ......... .. 214
Engine oil . . . . . . . . . . . . . . . . . . . . . . . 214
Engine cooling system . . . . . . . . . . . . . 218
Brake fluid . . . . . . . . . . . . . . . . . . . . . . 221
Battery ... .. .... .. ............. .
222
Windshield/headlight* washer container . . . . . . . . . . . . . . . . . . . . . . . 225
Tires and wheels . . . . . . . . . . . . . . 227
Tires . . . . . . . . . . . . . . . . . . . . . . . . . . . 227
Tire pressure monitoring system 257
Do-it-yourself service . . . . . . . . . 260
What do I do now? . . . . . . . . . . . . 260
Vehicle tool kit . . . . . . . . . . . . . . . . . . . 260
Space-saving spare tire (compact
spare tire) . . . . . . . . . . . . . . . . . . . . . . . 260
Inflatable spare tire . . . . . . . . . . . . . . . 261
Inflating inflatable spare tire . . . . . . . 262
Changing a wheel. . . . . . . . . . . . . . . . . 263
Fuses and bulbs . . . . . . . . . . . . . . . 269
Fuses..... .... .... .............. 269
Bulbs. . . . . . . . . . . . . . . . . . . . . . . . . . . 272
Emergency situations ... ... .. . 274
General... .... .................. 274
Starting by pushing or towing . . . . . . . 274
Starting with jumper cables . . . . . . . . 274
Use of jumper cables . . . . . . . . . . . . . . 275
Emergency towing with commercial
tow truck . . . . . . . . . . . . . . . . . . . . . . . 276
Lifting vehicle . . . . . . . . . . . . . . . . . . . . 278
•
•

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0 ::.,: co ,...., \!) ..,.,
,...., ..,., ,....,
CD
@
®
©
®
®
(j)
Door handle
Memory buttons (dr iver's seat)
Power locking sw itch
Button for side ass ist
A ir outlets
L ight switch
Control lever for :
- T urn signal and high beam
@ Multifunction steering wheel
with:
- Horn
- Driver's airbag
- Audio/video, telephone, navi-
gation and vo ice recognition
buttons
- Rocker switches for tiptron ic
opera tion ........... .... .
® ISET I button ...... ..... .... .
@ Instrument cluster .. ... .. .. .
@ Reset button for trip odometer
@ Sw itches for:
- Windsh ield wiper/washer
- Trip computer ..... ... .. .. .
@ Ignition lock ............. . .
(8) Adjustable s teer ing column
@ Control lever for :
- Cruise contro l ......... ... .
- adaptive cruise contro l .... . .
@ Ins trumen t lighting .... .. .. .
@ Release lever for the engine
hood .. .. .. .. ........... .. .
@ Data L ink Connector for On
B oard Diag nostics (OBD II) . .. .
@ Sw itch for unlock ing the trunk
lid .. .. .. ................. .
@ Adjuster control fo r outside m ir­
r ors
@ Power window switches ... .. .
@ Rad io-Display1l or MMI-Display
64
35
1 11
49
so
148
98
11
10
12
55
24
82
82
9 1
101
52
212
29
38
5 2
42
l) T he image in t he d is pl ay will app ear e it h er in mu lt iple
c o lor s or in a singl e co lor , de pen din g o n th e vehicl e
e q ui pment. T he m ulti co lo r im age w ill b e used i n this
O w ner's M anual becau se bo th mu lt i co lo r and si ng le
c o lor ver sio ns are almos t ide ntic al.
In strument s and control s 9
Depend ing on options:
- Rad io system
- CD changer
Emergency flasher
G love compartment (lockab le)
Front passenger's airbag .....
Depend ing o n op tions, sw itches
f or:
- drive select .. .. .......... .
- Electronic Stabilization Con-
trol . ... .. .. .. . .. ... .... .
- Rear window sun shade .. .. .
@ Deluxe automat ic cl imate con-
trol ...... .. .... .......... .
@) Depending on options, selecto r
lever or shift lever for :
- Manual transmission ...... .
- Automatic transmission .... .
@ Asht ray with ciga rette lighter
@ Depend ing on options:
- MMI contro l console or
- drive select .. .... ........ .
- Electronic Stabilizat ion Con- 51
67
148
115
185
55
78
93
93
65
115
trol button . . . . . . . . . . . . . . . 185
- Power switch for rear window sun shade . . . . . . . . . . . . . . . . 55
@ I STA RT ENGI NE STOPI button 85
@) Electromec hanical pa rking
brake . . . . . . . . . . . . . . . . . . . . . 87
(D Tips
-Some of the equipment o r fea tures
show n in the gener al illustration m ay be
standard equ ipment on your vehicle or
may be optional eq uipment depending
on your model. Always as k your author­
ized Aud i dea ler if you have a quest ion
about your ve hicle.
- Operat ion of the Multi Med ia Interface
(MMI) is described in a separate manua l.

14 Instruments and warning/indicator lights
TPMS
smsoR
Electronic Stabilization Control
( ES C) ./
¢page 18
Electronic Stabilization Control
(ESC)
¢ page 185
USA models:
Anti-lock braking system (ABS)
defective ./
¢ page 19
Canada models:
Anti-lock braking system (ABS)
defective ./
¢ page 19
USA models:
Safety systems ./
¢page20
Canada models:
Safety systems ./
¢ page20
Worn brake pads
¢ page 20
E lectromechanical parking brake
¢ page 16
T ire pressu re monitoring
system ./
¢ page258
Tire pressure monitoring system
¢page258
E lectronic power control./
¢ page20
Malfunction indicator Lamp
(MIL) ./
¢ page 20
Engine speed limitation
¢ page20
Engine oil leve l
¢ page 17
Engine oil sensor
¢page 21
Battery
¢ page 16
Tank system
¢ page 21 Warm
up eng ine*
¢ page208
Windshield washer fl uid leve l
¢page21
Windshield wipers
¢page 21
Remote control key
¢page85
Battery in remote control key
¢page33
Defective light bulb warning
¢ page21
Fog lights
¢page 21
Rear fog light(s)*
¢page21
Headligh t range control*
¢page21
Adaptive light*
¢page22
Light-/rain sensor *
¢ page22
Adaptive dampers*
¢page22
Sport differential*
¢page22
I gnition lock
¢page 22
Steering column lock
¢page 18
Electromechanical steering, dy­
namic steering *./
¢pag e 190
Transmission
- mult itronic, t iptron ic
¢page99
- S tronic
¢ page 99
Transmission
- S tronic
¢ page 99

18 Instrum ent s and w arn ing /indic ato r light s
-Never open the hood if you see or hear
steam or coolant escaping from the en­
gine compartment -you risk being scald­
ed . Wait until you can no longer see or
hear steam or coo lant escaping.
- The engine compartment of any veh icle
is a dangerous area . Before you perform
any work in the engine compartment,
turn of the eng ine and allow it to cool.
Follow the wa rning sticke rs
qpage 212.
{[) Note
Do not co ntinue driving if the. symbol
illuminates . There is a malfunct ion in the
engine cooling system -you could damage
your eng ine .
@-Steering column lock
• Stee ring def ective! D o not drive vehicle!
If the indicator light turns on and the mes­
sage appears, the re is an elect ronic steer ing
col umn lock ma lfunction. You ca nnot switch
the ign ition on.
Do
not tow your vehicle because it ca nnot be
steered. Seek professional ass istance.
Ill! Ste ering lock: Contact d ealer!
If the indicator light t urns on and the mes­
sage appears, there is an electronic steer ing
column lock malfunction.
Drive to yo ur authorized Audi dea le r immedi­
ately to have the malfunction corrected .
A WARNING
-
Your vehicle must not be towed in the
event of a malfunct ion in the electron ic
steering column lock because it cannot be
steered due to the locked steering .
If it is
tow ed w ith th e stee ring lock ed, there is
the risk of a n accident .
©-Ignition lock
• Ignition lock d efe ctive. Contact d eal er! If
the indicator light turns on and the mes­
sage appears, do
not switch the ignition off
because you may not be ab le to sw itch it on
again.
Drive to your authorized Audi dealer immedi­
ately to have the ma lfunction corrected.
On vehicles with conve nience key*, the engine
shou ld not be switched off using the
I STAR T ENGINE ST OPI button because the en­
gine cannot be started again after the ignition
has been switched off.
(D Tips
The symbol's appearance might be differ­
ent in some mode ls.
FJ,/ ~ Electronic Stabilization Control
(ESC)
If the Jj] ind icator light blinks while driv ing ,
the ESC or ASR (Anti-Slip Regulation) is active­
ly regu lating.
If the D] ind icator light turns on , the system
has switched the ESC off . In this case, you can
switch the ign ition off and then on to switch
the ESC on aga in. The ind icator lig ht tu rns off
whe n the system is functioning f ully.
If the
II ind icator light turns on, ESC was re­
stricted or sw itched off us ing the !.$
O FFI but­
ton
q page 185 .
Stabilizat ion control (ESC /ABS ): Fault! See
own er' s m anual
If the indicator light DJ and the ABS indicator
light
fJD (USA models) ; tiJ (Canada models)
turn on and the message appears, the ABS or
electron ic different ial lock is malfunctioning .
Th is also causes the ESC to malfunction . The
brakes still function with their normal power,
but A BS is not active.
D rive to your author ized Audi dealer immedi­
ately to have the malfunction corrected .
For more info rmation about the ESC
q page 185 .

keys. Unguarded access to the keys pro­
vides children the opportunity to start
the engine and/or activate veh icle sys­
tems such as the power windows etc. Un­ supervised operation of any vehicle sys­
tem by ch ildren can result in serious in­
jury.
- Do not remove the key from the ignition
lock until the vehicle has come to a com­
plete stop. Otherw ise the steering col­
umn lock cou ld suddenly engage -caus­
ing the risk of an accident.
(D Tips
- The operation of the remote contro l key
can be temporarily disrupted by interfer­
ence from transmit ters in the vici nity of
the vehicle working in the same frequen ­
cy range (e .g . a ce ll phone, radio equip­
ment).
- Fo r security reasons, replacement keys
are on ly available from authorized A udi
dealer.
- For Declaration of Compliance to United
States FCC and Industry Canada regula­
tions¢
page 286.
Removing the mechanical key
Fi g. 20 Remote master key: removing the mechanical
key
.,. Press the release button@¢ fig. 20.
.,. Pull the mechan ical key @ out of the master
key.
~ Using the mechanical key, you can:
~ co -lock and unlock* the glove compartment on
rl :5: the passenger's side 9 page 67.
rl l/1 rl
Op enin g an d clos ing 33
- lock and unlock the lockable * rear bench
seat and pass-through*
r=;, page 71.
- activate the child safety locks on the rear
doors
r=;, page 41.
- lock and unlock the vehicle manua lly
r=;, page 3 7 if this should not be possible
with the master key.
- use the ignition key emergency release
r=:> page 34.
Check light and battery in the master
key
Fig . 21 Remote master key: removing the battery hold­
er
Che ck light in the ma ster ke y
The check light @ r=:> fig. 21 in the master key
provides information about different condi­
t ions .
.,. The check light turns on briefly once when a
button is pressed, and during an "inquiry"
by the convenience key system .
.,. If the check light does not come on, the bat­
tery is dead and has to be replaced. In addi­
tion, when the battery is dead the
!I indi­
cator light appears in the instrument cluster
disp lay as well as the message
Plea se
c hange k ey batt ery.
Master key battery replacement
"'Remove the mechan ical key r=;, page 33 .
"' Press the release button @ i=:> fig. 21 on the
battery ho lder and at the same time pull the
bat tery ho lder out o f the maste r key in the
direction of the arrow.
.,. Insta ll the new battery CR 2032 with the
" + " sign facing down .
.,. Push the battery holder carefu lly into the
master key.

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0 ::.,: co ,...., \!) ..,.,
,...., ..,., ,....,
~ Automatic transmission: Step on the brake
peda l and move the se lector lever to the P
or N position .
~ Press the key c::> fig. 97 -the eng ine will
start.
Sw itching the i gnition on /off
If you wou ld like to switch the ignition on
without sta rting the engine, follow t hese
steps :
~ Insert the key into the ignition lock .
~ Press the key briefly without pressing the
clutch peda l (for manual transmissions) or
the brake peda l (for automatic transmis­
s ions) .
~ To switch the ignition off, press the key
again .
When starting the engine, major e lectr ica l
loads are switched off temporarily .
You can on ly remove the key with the ignition
switched off.
If the engine sho uld not sta rt immedia tely,
the starting process is automatically stopped
after a short time. Repeat starting proced ure .
A WARNING
-Never allow the engine to run in confined
spaces -danger of asphyxiation.
- Never remove the ign ition key from the
ignition look while the vehicle is moving.
Otherw ise, the steering lock could sud­
denly engage and you would not be able
to steer the vehicle.
- Always take the key with you whenever
you leave your vehicle . Otherwise, the
engine could be started or e lectr ical
equipment such as the power w indows
cou ld be operated. This ca n lead to seri­
o us inj ury.
- Never leave ch ild ren or persons requiring
assistance unattended in the veh icle. The
doors can be loc ked using the remote
transmitter, preventing people from es­ caping from the vehicle on their own in
the event of an emergency. Depend ing
on the time of year, people inside the ve-
On th e ro ad 83
hicle can be exposed to very high or very
low temperatures.
(D Note
Avoid high eng ine rpm, fu ll throttle and
heavy engine loads unti l the engine has
reached operating tempe rat ure -other­
wise you r isk eng ine damage.
@ For the sake of the environment
Do not let the engine run while parked to
warm up. Begin driving immediately. This
reduces unnecessary emissions.
@ Tips
- If the key cannot be removed from the
ignition lock, you have to pull the me­
chanical key out of the master key in or­
der to be able to lock the vehi-
cle <=:>
page 34.
-After starting a cold engine, there may
be a brief period of increased no ise be­
cause the oil pressure must first bu ild up
in the hydraulic valve adjusters. This is
normal and not a cause for concern.
- If you leave the veh icle with the ignition
switched on, the ign it ion w ill switch off
afte r a certa in per iod of t ime . Please
note that ele ctrical equ ipment such as
exterior lights will sw itch off as well
when that happens .

84 On the road
Starting the vehicle with the emergency
key
Applies to vehicles: with ig ni tion lock
You can use the emergency key as an ignition
key in on emergency.
Fi g. 98 Glove compar tme nt: Adapter for emergency
key
Fig. 99 Inse rt emergency key into the adapter
.. Take the adapter for the emerge ncy key out
of the glove compartment
c!> fig . 98 .
.. Push the emergency key c::> fig. 99 fully into
the adap ter . Make sure tha t the Aud i rings
are facing up.
.. Press the emergency key in the adapter
down until it latches audibly .
.. Insert the adapte r with the emergency key
forward into the ignition switch. The engine
can now be started as usual.
Stopping the engine
App lies to vehicles: with ig n ition lock
.. Bring the vehicle to a full stop .
.. Automatic transmission: Move the selector
lever to the P or N pos ition .
.. Press on the ignition key. The engine is
t ur ned off.
.. You can now remove the key.
Steering lock
T he steering locks when yo u remove the igni­
t ion key. The locked steering helps prevent
ve ­
hicle theft .
Emergency off
If it is necessary in unu sual circumstances, the
engine can be switched off while the veh icle is
moving. The engine will be switched off if you
press on the key for an extended period .
A WARNING ~
-Never turn off the engine before the ve­
hicle has come to a comp lete stop. The
fu ll function of the brake booster and the
power steering is not guaranteed. You
must use more force to turn or brake if
necessary. Beca use you cannot steer and
brake as you usually wou ld, this could
lead to crashes and ser ious injuries.
- For safety reasons, you sho uld a lways
park your vehi cle with the selector lever
in P. O therwise, the vehicle could in ad ­
ver ten tly roll away.
- The radiator fan can continue to run fo r
up to 1 0 minu tes
even after you have
turned off the engine and removed the
ignit ion key. The radiator fan can a lso
turn on agai n if the engine coo lant heats
up because of intense sunlight or heat
bu ild-up in the engine compartment.
- Always take the key with you whenever
you leave your vehicle. Otherw ise, the
engine could be started or electrical
equ ipment such as the power windows
could be operated. This can lead to seri­
ous injury.
- Never leave childre n or persons requiring
assistance unattended in t he vehicle . The
doors can be locked using the remote
transm itte r, preven ting people from es­
c a ping from t he ve hicle on the ir own in
the event of a n emergency . Depending
on the time of year, peop le inside the
ve­
hicle can be exposed to very high or very
low temperatures .

86 On the road
in the hy dra ulic valve adjusters. This is
norma l and not a cause for concern.
- If you leave the vehicle with the ignit ion
switched on, the ignition will switch
off
after a certain period of time . Please
note that e lectrica l equipment such as
exter ior lights w ill switch
off as well
when that happens.
Switching engine off
Applies to vehicles: with conven ience key
" Bring your vehicle to a complete stop.
"Automatic transmiss ion: Move the selector
lever to the P or N pos it ion.
" Press the
!START ENGINE STOPI b utton
r::!;pageBS, fig.100.
St eering lock
The stee ring locks when you turn the engine
off us ing the I STAR T ENGINE STOP I button
and open the dr iver's door. The locked stee r­
i ng helps preven t vehi cle theft.
Emergency off
If necessary, the eng ine ca n be sw itched off
with the selector leve r in the R or D/S pos i­
tions. To do so, step on the b rake pedal and
p ress a nd hold the
I START ENGINE STOP I but­
ton vehicle speed must be less th an 6 mph
(10 km/h).
_& WARNING
- Never t urn off the eng ine before the ve­
hicle has come to a complete stop . The
full function o f the brake booster and the
power steering is not guaranteed. You
must use more force to turn or brake if
necessary . Because you cannot steer and
brake as you usua lly would, this could
lead to crashes and se rious injur ies.
- For safety reasons, you s hould always
par k your vehicle with the se lector lever
in P. Ot he rwi se, the ve hicle co uld i nad­
vertent ly roll away.
- T he r adiator fan ca n continue to ru n for
up to 10 mi nutes even after yo u have
tu rne d
off the eng ine and remove d the ignit
ion key. T he radiator fan can a lso
tur n on again if the engine coo lant heats
up because of intense sunlight or heat
bu ild-up in the engine compartment.
- Always take the key w ith you whenever
you leave your ve hicle. Otherw ise, the
eng ine could be sta rted or elect rical
equ ipme nt such as the power windows
could be ope rated. This can lead to seri­
o us injury.
(D Note
If the engine has bee n under heavy load
fo r an extended pe riod, heat bu ilds up in
the engine compartment after the engine
i s sw itched
off -there i s a r is k of damag ing
the e ngine. A llow the eng ine to run at i dle
for about two minutes before switching it
off.
Driver messages
Ignition i s on
This message appears and a warning tone
sounds if you open the d river's door when the
ignition is sw itched on.
No key id entified
This message appears when t he
I S TART ENGI NE STOPI button is pressed if
there is no master key ins ide the veh icle or if
the system does not recognize it . Fo r exam­
ple, the master k ey cannot be recognized if it
is covered by an object (e.g. al uminum b rief
case) which
screens the radio s ignal. Elec tron­
ic dev ices such as cell phones can also inter­
fere with the radio s ignal.
Press brak e pedal to start engine
This message appears if you do not press the
brake pedal to start the eng ine in a veh icle
with an automat ic transm iss ion.
Press clutch pedal to sta rt engine
T his message ap pears if you do not press the
clutch pedal to start the engine in a vehicle
with a manual transmission. .,.