2018 AUDI S4 cooling

Table of content s
Media ... . ... ... .. .. ..... ... .. .. ...
227
Introduction . . . . . . . . . . . . . . . . . . . . . . . . 227
Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 227
Media drives . . . . . . . . . . . . . . . . . . . . . . . . 228
Bluetooth audio player . . . . . . . . . . . . . . . 230
W i- F i aud io player . . . . . . . . . . . . . . . . . . . 231
O nline med ia and Internet radio . . . . . . . . 232
Mu ltimedia connect io ns . . . . . . . . . . . . . . 233
P lay ing media . . . . . . . . . . . . . . . . . . . . . . . 236
Addit io nal sett ings . . . . . . . . . . . . . . . . . . 239
Supporte d media and file formats . . . . . . 242
Troubleshooting . . . . . . . . . . . . . . . . . . . . . 243
Audi smartphone interface ...... 246
Se tup ... .. .... ... . ...... ... .. .. ... 246
Operating . . . . . . . . . . . . . . . . . . . . . . . . . . 246
Troubleshoot ing . . . . . . . . . . . . . . . . . . . . . 24 7
System settings . . . . . . . . . . . . . . . . . . 248
Setting the date and time . . . . . . . . . . . . . 248
MMI sett ings . . . . . . . . . . . . . . . . . . . . . . . 248
Connection manager . . . . . . . . . . . . . . . . . 249
System update . . . . . . . . . . . . . . . . . . . . . . 251
Sound settings . . . . . . . . . . . . . . . . . . . . . . 252
Volume sett ings . . . . . . . . . . . . . . . . . . . . . 252
Restart ing the M MI . . . . . . . . . . . . . . . . . . 253
Sof twa re license i nfo rm at ion 253
Safety first . . . . . . . . . . . . . . . . . . . . . . . 2 54
Driving safety . . . . . . . . . . . . . . . . . . . . 254
B asics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 254
Correct passenger se ating positions . . . . . 255
D river's and front passenger 's footwell . . 2S8
Pedal area . . . . . . . . . . . . . . . . . . . . . . . . . . 259
Storing cargo correctly . . . . . . . . . . . . . . . 259
Reporting Safety Defects . . . . . . . . . . . . . . 261
Safety belts . . . . . . . . . . . . . . . . . . . . . . 263
Gene ral information . . . . . . . . . . . . . . . . . 263
Why use safety belts? . . . . . . . . . . . . . . . . 264
Safety belts . . . . . . . . . . . . . . . . . . . . . . . . 266
Belt tensioners . . . . . . . . . . . . . . . . . . . . . . 269
Airbag system .................... 271
Important information . . . . . . . . . . . . . . . 27 1
Front airbags ....................... 275
M on itor ing the Advan ced Airbag System . 283
Knee airbags . . . . . . . . . . . . . . . . . . . . . . . . 28 7
4
Side a irbags . . . . . . . . . . . . . . . . . . . . . . . . 289
Side curtain airbags . . . . . . . . . . . . . . . . . . 292
Child safety . . . . . . . . . . . . . . . . . . . . . . 295
Important information . . . . . . . . . . . . . . . 295
Child safety seats . . . . . . . . . . . . . . . . . . . . 301
Securing child safety seats . . . . . . . . . . . . 306
LATCH system (lower anchorages and
tethers for c hildren) . . . . . . . . . . . . . . . . . 309
Additional informat ion . . . . . . . . . . . . . . . 314
Maintenan ce and Care ........... 31S
Checking and Filling . . . . . . . . . . . . . 31S
Gasoline ........................... 315
D iesel fue l . . . . . . . . . . . . . . . . . . . . . . . . . 316
Refueling . . . . . . . . . . . . . . . . . . . . . . . . . . 31 7
Se lective cata lytic red uction (AdBlue/
DE F) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 19
Emissions control systems . . . . . . . . . . . . 322
Engine compartment . . . . . . . . . . . . . . . . . 323
Engine o il . . . . . . . . . . . . . . . . . . . . . . . . . . 325
Cooling system . . . . . . . . . . . . . . . . . . . . . . 329
Brake fluid . . . . . . . . . . . . . . . . . . . . . . . . . 330
Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . 331
Windshie ld washer system . . . . . . . . . . . . 332
Se rvice interva l display 333
Wheels ........ ................ ... 334
Whee ls and Tires . . . . . . . . . . . . . . . . . . . . 334
T ire p ressure mo nitoring system 351
Care and cleaning . . . . . . . . . . . . . . . . 354
Genera l information . . . . . . . . . . . . . . . . . 354
Car w ash es . . . . . . . . . . . . . . . . . . . . . . . . . 35 4
Cleaning an d care information . . . . . . . . . 355
Placing your vehicle out of service . . . . . . 3 59
Do It Yourself ... .. .. ........... .. 3 60
Emergency as sistance . . . . . . . . . . . 360
Genera l information . . . . . . . . . . . . . . . . . 360
Eq uipment . . . . . . . . . . . . . . . . . . . . . . . . . 360
Tire mobility kit . . . . . . . . . . . . . . . . . . . . . 361
Replacing a whee l . . . . . . . . . . . . . . . . . . . 363
Space-sav ing spare t ire . . . . . . . . . . . . . . . 367
Collaps ible spa re ti re . . . . . . . . . . . . . . . . . 367

a co .... N ,....
N .... 0 0
3 co
A WARNING
Do not assume the roads are free of ice based
on the outside temperature display . Be aware
that there may be ice on roads even when the outside temperature is around 41 °F (+5 °C)
and that ice can increase the risk of accidents.
@ Tips
- Depending on vehicle equipment, the in ­
strument illumination (needles and gauges) may turn on when the lights are off and the
ignition is switched on . The illumination for
the gauges reduces automatically and even­
tually turns off as brightness outside in­
creases. This function reminds the driver to
turn the low beams on at the appropriate
time .
- You can select the units used for tempera­
ture, speed and other measurements in the
Infotainment system
c::> page 248.
- If your vehicle is stationary or if you are driv­
ing at very low speeds, the temperature dis­
played may be slightly higher than the ac­
tual temperature outside due to the heat ra­
diating from the engine .
- At temperatures below 41 °F ( +5 °C), a
snowflake symbol appears in front of the
temperature display
c::> A .
Coolant temperature indicator
The coolant temperature
display @c::> page 10,
fig. 3 or c::> page 10, fig. 4 only functions when
the ignition is switched on. To prevent engine
damage, please observe the following notes
about the temperature ranges.
Cold range
If only the LEDs at the bottom of the gauge turn
on, the engine has not reached operating tem­
perature yet . Avoid high engine speeds, full ac­
celeration and heavy engine loads.
Normal range
The engine has reached its operating tempera­
ture once the LEDs up to the center of the gauge
turn on. If
the. indicator light in the instru-
Cockpit overview
ment cluster display turns on, the coolant tem­
perature is too high
c::> page 30.
(D Note
- Auxiliary headlights and other accessories in
front of the cooling-air intake impair the
cooling effect of the coolant. This increases
the risk of the engine overheating during
high outside temperatures and heavy en­
gine load.
- The front spoiler also helps to distribute cooling air correctly while driving. If the
spoiler is damaged, the cooling effect will
be impaired and the risk of the engine over ­
heating will increase . See an authorized
Audi dealer or authorized Audi Service Fa­ cility for assistance .
@ Tips
Diesel engines: due to the high efficiency of
these engines, the engine may not always reach operating temperature in cold outside
temperatures . This is normal and not a cause
for concern.
Engine oil temperature display and boost
indicator
App lies to : vehicles wi th engine o il temperatu re display/boost
indica tor
Appl ies to : vehicles wi th analog ins trumen t cl uster
The engine oil temperature and boost indicator
are only shown in the lap timer display
c::> page 106.
Engine oil temperature indicator
Applies to : vehicles wit h Audi v ir tu al coc kpit
The engine oil temperature is only shown in the
expanded view or in the sport view
c::> page 15.
When engine oil temperatures are low, the dis­play--- °F
(---°C) appears in the instrument clus­
ter.
The engine has reached its operating tempera­
ture when the engine oil temperature is between 176 °F (80 °C) and 248 °F (120 °C) under normal
driving conditions. The engine oil temperature
.,,.
11

Cockpit over view
Red indicator ligh ts
26
--------------
Central indicator light
¢page 25,
Aud i pre sense*
¢ page 120
USA model s:
Brake system ./
¢page28
Cana da m od els:
Brake system ./
¢ page28
USA models :
Electromechan ical parking brake
¢ page29
Canada models:
Electromechan ica l parking brake
¢page29
Cooling system
¢ page30
Engine oil pressure
¢ page 31
E ngine oil level
¢ page 31
Alter nator
¢ page30
Safety belt
¢page30
Electromechan ica l steering ./
¢page 150
Steering lock
¢ page 31
Engine start system
¢ page 31
Transmiss ion (automatic t ransm is ­
sion)
¢ page 96,
Clutch (manual transmission)
¢page32
Hood
¢ page32
Adapt ive cr uise control*./
¢ page 110
Traffic jam assist*
¢ page 116 Ad B
lue*
¢ page 319
Ad Bl ue*
¢ pag e 319
Yellow indi cator lights
--------------
Central indicator light
¢ page25
Electronic Stabi lization Control
( E SC)
¢ page32
Elec tronic Stab il izat io n Contro l
(ESC)
./
¢ page32
Electronic Stab ilizat ion Control
(ESC)
¢ page 147
Brake system
¢ page 33
USA models:
Ant i- lock braking system (ABS)./
¢ page32
Canad a model s:
Ant i-lock b raking system (ABS) ./
¢ page32
Safety systems ./
¢page32
USA mode ls:
Brake pads
¢ page33
Ca nad a model s:
Brake pads
¢ page 33
E lec tromechanical parking brake
¢ page29
Tire p ressure
¢ page352
Tire pressure
¢page 352
Engine contro l
¢page 33
Engine contro l (diesel engine)
¢ page 33

Cockpit over view
There is not enough braking force to hold the ve­
hicle in place . The brakes have overheated. The
veh icle cou ld ro ll away even on a small incline .
Ill (U SA mod els)/ lC@j (C an ad a model s) Parking
brake : applied
If th is message appears, press the brake pedal
fi rst a nd the n release the pa rk ing bra ke if neces­
sary.
II ( U SA model s)/ l(@j (Canada mo dels) Parking
brak e: emerg ency braking
The emergency braking function was triggered .
Please rele ase park ing b rake
Release the par king brake if t his message ap ­
pears.
Plea se pr ess brak e pedal to rel ease parking
brak e
To release the park ing brake, press the brake
pedal and press
the ~ button at the same time,
or start driv ing with hill start ass ist
9 page 89,
Starting to drive.
(D Tips
For add it ional information on the park ing
brake, see
9 page 88.
-L Cooling system
• Turn off engin e and che ck co ola nt level. See
o w ner 's manual
The coolant leve l is too low.
Do not cont inue driving and switch the engine
off . Check the coolant level
9 page 329.
- If the coolant level is too low, add coolant
9 page 329. On ly cont inue driving once the in­
dicator light turns off .
• Coolant t emper atu re: too high. Let e ngi ne
run with vehicle st ationar y
Let the eng ine run at id le for a few minutes to
coo l off, until the indicator light turns off .
- If the indicato r ligh t does not turn off, do not
contin ue driving the vehicle. See an au thorized
30
Audi dea ler or authorized Audi Service Facility
for assistance.
A WARNING
- Never open the hood if you can see or hear
steam or coolant escaping from the engine
compartment. This increases the risk of burns. Wait until you no longer see or hear
steam or coolant escaping .
- The engine compartment in any vehicle can
be a dange rous area . Stop the engine and
allow it to cool befo re working in the engine
compa rtment. Always follow the informa­
tion fo und in
9 page 323, Working in the
engine compartment .
(D Note
Do not continue driv ing if the . indicator
li ght turns on as this increases the risk of en­
gine damage.
~ Safety belt
The . indicator light stays on until the dr iver's
and front passenger's safety belts are fastened.
Above a certain speed, there will a lso be a warn­
i ng tone.
(D Tips
For additional informat ion on safety belts,
see
Q page 263.
0 Generator/Vehicle battery
If the . or(•) indicator light turns on, there is a
malfunction in the generator or the vehicle e lec­
trical system .
• Electrical sy stem: malfunction! Saf ely stop
v ehicle
Do not continue dr iving and switch the engine
off. See an authorized Audi dealer or autho rized
Audi Service Facility for assistance.
(•j Ele ctri cal system: m alfunc tion! Re sta rt not
po ssible. Plea se cont act Ser vice
The vehicle battery was disconnected from the
vehicle e lectr ica l system and will no longer

of injuries, never leave children unattended in
the vehicle with the vehicle key.
(D Note
-To reduce the risk of damage to the vehicle
electrical system, never attempt to charge
the vehicle battery by connecting accesso­
ries that provide power, such as solar panels
or battery chargers, to the 12 Volt sockets
or the cigarette lighter.
-To reduce the risk of damage to the sockets,
only use plugs that fit correctly.
Storage
Cup holders
Fig. 73 Rea r cente r arm rest: cup holde rs•
Your vehicle has cup holders in the front center
console and in the center rear seat* .
Cup holders in the rear center armrest*
.,. Fold the center armrest downward.
.,. To open the cup holders, pull the top cover on
the cup holders forward
c::> fig. 73.
.,. Set your beverage in the holder .
.,. To close the cup holder, fold the cover back un­
til it clicks into place.
& WARNING
-Do not put any hot beverages in the cup
holder while the vehicle is moving. Hot bev­
erages could spill, which increases the risk
of injury.
-Do not use any breakable beverage contain­
ers (for example, made out of glass or por­
celain). You could be injured by them in the event of an accident.
Seats and storage
(D Note
Beverage containers in the cup holders should
always have a lid. If not, beverages could spill
and cause damage to vehicle equipment, such
electronics or seat covers.
Cooled glove compartment
App lies to: vehicles wit h coo led g love co mpartment
T he cooled glove compartment only functions
when the AIC system is switched on .
Fig. 74 Glove compart ment : swi tching cooling mode on/
off
.,. Turn the knob @counter-clockwise to switch
the cooling on . The symbols on the knob must
appear as they do in
r=> fig. 74.
.,. Turn the knob @clockwise to switch the cool ­
ing off.
If the heating is switched on, switching the glove
compartment cooling mode off is recommended .
Additional storage compartments
You will find a var iety of storage compartments
and holders at various locations in the vehicle .
-Glove compartment: the glove compartment
can be locked using the mechanical key
c::> page 38, Key set.
-In the door trim panels
- Storage compartment under the front center
armrest
- Storage compartment* in the rear center arm-
rest
- Storage compartment* under the light switch
- Garment hooks above the rear doors
-Nets* on the backrests of the front seats
69

Warm and cold
Warm and cold
Climate control system
Description
The climate control system warms, cools and re­ moves humidity from the air in the vehicle interi­
or. It is the most effective when the windows and
sunroof * are closed. If there is a bui ld-up of heat
inside the vehicle, ventilation can he lp to speed
up the cooling process.
I n all heating mode f unctions except for
defrost,
the blower only switches to a higher speed once
the engine coolant has reached a sufficient tem­
perature .
Pollutant filt er
The po llutant filter removes poll utants such as
dust and pollen from the a ir .
Ke y recognit ion
The climate control settings are automatically
stored and assigned to the remote contro l key
that is in use .
76
® For the sake of the environment
-If you would like to reduce fuel consump­
t ion, sw itch the air conditioning
off. This
will also reduce emissions.
- In veh icles with a diesel engine, you can
switch the auxiliary heater
off in the Info­
tainment system.
(D Tips
- To prevent interference with the heating
and cooling output and to prevent the win­
dows from fogging over, the air intake in
front of the windshie ld must be free of ice,
snow or leaves.
- Condensation from the cooling system can
dr ip and form a pudd le of water under the
vehicle . This is norma l and does not mean
there is a leak.
- The energy management system may tem­ porarily switch
off certain functions, such as
the seat heating* o r rear window defogger.
T hese systems are ava ilable again as soon
as the ene rgy supply has been restored.

Warm and cold
3 zone deluxe automatic climate control
Operation
.... M
~ a,
Fig. 90 3-zone de lu xe a uto mat ic cl imate contro l; cockpit controls
Fig. 9 1 3-zone de luxe automatic cl imate control system: rear controls
Press the knobs, buttons or rocker switches to
turn the functions on or off . When the funct ion is
sw itched on, the LED in the respect ive button or
knob t urns
on ¢ fig. 90. The rocker switc hes are
se nsitive to to uch. The drive r and front passenger
sett ings can be ad justed sepa rately.
You can adjust the settings for the rea r of the ve­
hi cle using the controls in the rear
~ fig. 91 .
On right-hand dr ive vehicles*, the functions of
the rocker sw itched ® and ® are switched .
OFF
clima te control sy stem
You can switc h the cl imate control system on and
off using the OFF button.
It also sw itches on when you press another button or a knob. A
irflow
from outside is b locked when the clima te control
system is sw itched off.
A/C Cooling mode
You can switch the coo ling mode on or off using
the rocker switch ®· The air is not coo led and hu­
mid ity is not removed when cooling mode is
switched off. This can cause fog on the w indows .
Cooling mode switches off automatically when
t h e outs ide tempe ra ture is below zero .
A/Ceco cooling mode*
You can switch the eco cooling mode on or off us-
ing the rocker switch ®· The climate control
..,.
77

Warm and cold
system operates most efficiently in eco cooling
mode.
A/C MAX cooling mode*
You can switch the maximum cool ing mode on or
off using the rocker switch@. Th e air is not
coo led and humidity is not removed when cooling
mode is switched off. This can cause fog on the
windows. Cooling mode switches off automati­
cally when the outside temperature is below
zero. When the cooling mode is switched on, the
vehicle interior is cooled as quickly as possible
and dehumidified .
c:E) Recirculation mode
In recirculation mode, the air inside the vehicle is
circu lated and filtered. This prevents the unfil­
tered air outside the vehicle from entering the
vehicle interior. Switching recirculation mode on
when dr iv ing through a tunnel or when s itting in
traffic is recommended
Q &, .
Using the button, recirculation mode is~ using
the button. You can also switch the recirculation
mode off by pressing the knob (D or the ~ but­
ton.
AUTO
Automatic mode
Automatic mode maintains a constant tempera­
ture inside the vehicle. Air temperature, airflow
and air distribution are controlled automatically .
You can switch automatic mode on or off by
pressing the
knob@.
Temperature
You can adjust the temperature between 60°F
( + 16°()
and 84°F ( +28°() by turn ing the knob
(D . Outs ide of this range, LO or HI will appear in
the climate control system display . In both set­
tings, the climate control runs constantly at the
maximum cooling or heating level. The tempera­
ture is not regulated.
The temperature can be adjusted in the rear us­
ing the rear contro ls
Q fig. 91.
86'~ Blower
You can adjust the vo lume of air generated by the
blower to your preference using the rocker switch
@ . The blower should always run at a low setting
78
to prevent the windows from fogging and to en ­
sure a continuous exchange of air inside the vehi­
cle. To have the blower regulated automatically,
press one of the knobs
(D .
Air distribution
You can use the rocker sw itches @to adjust the
vents where the air will flow out of. Press the
rocker switches @repeatedly unti l the desired
air distribution setting is displayed in the climate
control system controls. To have the air distribu­
tion regulated automatically, press one of the
knobs
(D .
""lll"' OPEN/CLOSE the wide vent
You can open and close the wide vent in the cock­
pit using the rocker switch ®·
JI~ Seat heating and ventilation*
If you press the button J ,J, the seat heating/
ventilat ion is switched on at the highest leve l (3) .
The LEDs indicate the temperature level. To re­
duce the temperature, press the button again. To
switch the seat heating/ventilation off, press the
button repeatedly until the LED turns
off.
3% Defrosting
The windshield and side windows are defrosted
or cleared of condensation as quick ly as possible .
The maximum amount of air flows mainly from
the vents below the windsh ield. Recirculation
mode switches off. The temperature should be
set at
+72°F (+22°() or higher . The temperature
i s controlled automat ically .
Defrost is switched on and off
3% using the but­
ton. You can switch the function off by pressing a knob
(D .
Applies to vehicles with windshield defogger: the
windshield defogger switches on automatically
when outside temperatures are low. If you would like to sw itch the windshield defroster on man­
ually, press the
3%. The LED in the button blinks.
ClWREAR Rear window defogger
Press the button [email protected] switch the rear window de­
fogger on. It on ly operates when the engine is
running. It switches off automatically after
10 to .,,.