lights AUDI S4 2016 User Guide

Instruments and indicator lights
(0) Worn brake pads
EiJ Brake pads!
If the warn ing light illum inates, immed iate ly
contact your authorized A ud i dealer o r qualified
wo rkshop to have all brake pads inspected. O n
USA models the wa rni ng lig ht
EiJ comes on to ­
gethe r wi th the war ning l igh t
1111 . Both sets of
b rake pads on an ax le m ust always be rep lace d at
the same time .
A WARNING
Driv ing with bad bra kes can ca use a co llision
and ser ious personal in jury.
- If the wa rning light
EiJ and the warning
light
11111 ) w ith the message Brake pads !
comes on in the instrument cl uster display,
i mmediately contact your author ized Audi
dealer or qualified workshop to have all
bra ke pads checked o r rep laced if necessary.
EPC Electronic power control
This warning/indicator light monitors the elec­
tronic power control .
-
The~ warni ng/indicator light (Electronic Powe r
Control) ill uminates when you switch the ign ition
on as a function check.
(D} Tips
If this wa rning/in dicator light ill uminates
wh ile you are driving, then there is a mal func­
tion in the eng ine electron ics. Have the ma l­
function corrected as soon as possib le by yo ur
author ized A udi dealer or a qualified repair fa­
cility .
0 Malfunction Indicator Lamp (MIL)
The Malfunc tion Ind ica tor Lam p (M IL) is part of
the On-Boa rd Di ag nosti c (O BD II) system. The
symbo l
('4 lights up whe n the ignition is swi tch ­
e d on and wi ll turn off after the engine has sta rt·
e d and has sett led at a constant idle speed . This
i n dicates that the MIL is working p roperly.
l ) - : USA mode ls o nly
20
The wa rning lig ht ill uminates w hen the re is a
malfunction in the engine electronic system.
Contact yo ur aut ho rized Aud i dea le r and have the
malfunction corrected.
An impro per ly closed fue l filler cap may also
ca use the MIL light to illuminate ¢
page 200 .
For more info rm ation c::> page 29 .
!?) Engine speed limitation
App lies to vehicles : wi th engine speed limitatio n
lfl Do not exceed max. engine speed of XXXX
rpm
The lfl symbo l illu min ates when the re is an en­
gine co ntro l ma lf u nct ion. The~ indica tor ligh t
in the instrument clus ter also illum ina tes . T he
engine spee d is limited to the s peed displayed in
the d river info rmation system. Keep in mind t hat
the engine speed w ill not exceed the value dis ­
played in the driver information system, for ex­
amp le w hen downshifting.
D rive to your authorized A udi dealer immediate ly
to have the mal function cor rected .
~~. Engine oil sensor
• Oil level! Sensor defective
If the symbol illuminates, contact your author ­
i zed Audi dealer and have the oil sensor inspect­
ed. Until yo u have this done, chec k the oi l level
each time you refuel just to be on the safe side
¢ page 207.
Bu Tank system
Ii] Please refuel
If the indicato r light turns on for the first time
and t he message appea rs, the re are about
2.1- 2.4 gallons (7 • 9 lite rs) of fuel left in the
ta nk. Time to refuel¢
page 200 .
Ii] Fuel tank system malfunct ion! Contact deal -
er ..,.

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0 ::..:: co ..... ..... If the indicator light turns on and this message
appears, there is a malfunction in the tank sys­
tem.
Drive to your authorized Audi dealer immediately
to have the malfunction corrected.
Ci:> Windshield washer flu id level
ra, Please refill washer fluid
If the symbol illuminates, add windshield washer
fluid to the washer system and also to the head­
light washer system*
I:!) page 216.
~ Windshield wipers
El Windshield wiper defective
There is a malfunction with the windshield wip­
ers.
Drive to your authorized Audi dealer immediately
to have the malfunction corrected.
~/ }D 10$ Defective light bulb warning
If the r.:I indicator light turns on, a bulb has
failed. The message indicates the location of the
bulb.
- If the Im indicator light also turns on, then a
fog light has failed. The position of the indica­
tor light corresponds with the location on the
v eh icl e.
- If the II indicator light also turns on, then a
rear fog* light has failed. The position of the in­
dicator light corresponds with the location on
th e vehicle.
This warning can also occur if the light switch is
in an unengaged position between two symbols.
Vehicle lights: System fault!
If the me ssage appears, there is a malfunction in
the headlights or light switch .
Drive to your authori zed Audi dealer immediately
to have the malfunction cor rected.
Instruments and indicator lights
A WARNING
- Light bulbs are pressurized and could ex­
plode while they are being changed causing
serious personal injury .
-
-Work with due care when handling the high­
voltage section of gas discharge (xenon)
lights* . Failure to do so could result in death
or serious injury.
@ Tips
Have the bulb replaced or the connection re­
paired by your authorized Audi Service depart ­
ment.
i,0 Headlight range control
Applies to vehicles: with headlight range control
B Headlight range control defective !
If the symbol B illuminates, the dynamic head­
light range control is no longer working properly .
Have the system checked and repaired at your au­
thorized Audi dealer.
§0 Adaptive Light
Applies to vehicles: with adaptive light
r!J Audi adaptive light: defective
If the indicator light turns on and this message
appears , there is a malfunction in the adaptive
light system. The headlights still function.
Go to an authorized dealership to have the head ­
lights or the control unit for the adaptive light re­
paired.
@. o Light/rain sensor
Applies to vehicles: with light/rain sensor
II Automatic headlights/ automatic wipers
defective
If the indicator light turns on and this message
appears , the light/rain sensor is not functioning
correctly.
For safety reasons the low beams are turned on
permanently with the switch in
AUTO. However, .,.
21

Instruments and indicator lights
you can continue to turn the lights on and off us ­
ing the light switch . You can still control a ll func­
tions that are independent of the rain sensor
through the w indshield wiper lever.
Contact your author ized Audi dealer as soon as
possible to have the problem corrected.
; Adaptive dampers
Applies to vehicles: with Audi drive select and adaptive damp­
ers
B Su spen sion : S yst em fault!
If the B symbol in the display comes on, there is
a ma lf u nction in the adaptive dampers . P lease go
to an author ized Audi de aler or qu alified work­
shop to have the ma lfunction repaired .
!-: Sport differential
Applies to vehicles: with Audi drive select and sport differen ­
tial
Sport differ ential: Syst em fault!
There is a malfunction with the sport differential.
Drive to your authorized Aud i dea ler immediately
to have the malfunct ion corrected.
Sport differential: Overhe ating
The transmission tempe rature has increased s ig­
n ificant ly due to the sporty driv ing manne r. D rive
i n a less sporty manner until the temperature re­
turns to the normal range and the indicator light
switches of.
A WARNING
Contact your authorized A udi dealer or quali­
fied workshop if the sport differential is faulty
or ma lfunctioning. The repa ir must be per­
formed by trained personnel us ing the correct
oil in order to ensure safety .
~ Ignition lock
II Ignition lock defective
There is a malfunction in the electronic ignition
lock . Please go to an authorized Audi dea ler or
other qualified workshop to have the malfu nction
repaired .
22 ¢
Q Turn
signals
Wheneve r yo u use the left B or the right Ill
turn s ignal , the ind ic a tor light blinks. When you
u se the emergency flashe rs, both indicator ligh ts
f lash.
If one of the tu rn signa l ligh t bulbs bu rn out, the
turn s ignal will b link t wice as fast as no rmal.
Caref ully drive to yo ur a uth o rized Aud i dea ler im­
mediate ly to have the malfunction corrected.

Opening and clo sin g
Open ing th e re ar lid
.. Press the b utton cs on the remote control
master key for at least one second. The rear lid
unlocks and op ens slight ly. Or
.. Pr ess th e handle on th e rear lid¢
fig. 26. Or
.. Sedan : Pull the rele ase button
cs in the driv­
er 's doo r ¢
fig. 2 7
Cl osi ng the rear lid
.. Pu ll th e rear lid down at th e grip on the inside
and allow it to drop gently to close it¢ ,&. .
A WARNING
-After closing the rear lid, always pull up on
it to make sure that it is properly closed .
Otherwise it could open suddenly when the
vehicle is mov ing .
- To help prevent poisonous exhaust gas from
being drawn into the vehicle, always keep
the rear lid closed while driving . Never
transport objects larger than those which fit
comple tely into t he luggage area, because
then the rear lid cannot be fully closed.
- Never leave yo ur vehicle unatte nded espe­
c ia lly with the rea r lid left open . A chi ld
c ould cra wl into the car thro ugh the luggage
compartment and pull the lid shut, becom ­
ing trapped and unable to get out. To re­
duce the r isk of persona l injury, never let
children p lay in or around your veh icle . Al­
ways keep the rear lid as well as the vehicle
doors closed when not in use.
- Always ensure that no one is within range of
th e rear lid when it is moving, in particular
close to the hinges -fingers or hands can be
pinched .
(D Tips
When the vehicle is locked, the rear lid can be
opened separately by pressing the button
cs
on the master key. When you close the rear
lid again, it locks automatically .
38
Power opening/closing rear lid
Applies to vehicles: with automatic rear lid operat ion
The open posi tion can be adjusted .
Fig. 2 8 Dri ver 's doo r: U nlocki ng th e rear lid
-
Fig . 29 Lock ing switc h in t he rear lid
Opening rear lid
.. Press the bu tton cs on the remote key for at
least one second . Or
.. Pull the unloc k button
cs in the dr iver 's door
¢ fig. 28. Or
.. Press the hand le on the rear lid
¢ page 37,
fig . 26.
Closing rear lid
.. Press the close bu tton in the open rear lid
<=:> fig. 29 . T he rear lid moves to the closed posi­
tion by itself and soft close locks it automati ­
cally
c::> ,&. .
Saving the opening angle of the rear lid
.. Br ing the luggage compar tment lid into the de­
sired open position. The posi tion can only be
stored w hen the lid is above a certain height .
.. Press and hold the
c::> fig . 29 button for at least
fou r seconds unt il the lights blink to store the
desired open pos ition.

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Child safety lock
Child safety locks in the rear doors
The child safety locks© prevent the rear doors
from opening from the inside .
Fig. 33 Rear doors: child safety locks
0 ,.._ O') 0
i a,
The child safety lock is visible on ly when the door
is open .
.,. Remove the mechanical key
~ page 33.
.,. To switch on the child safety lock, tu rn the key
in the direction of the arrow.
.,. To switch off the child safety lock, t urn the key
in the opposite direction to the arrow.
When the child safety locks are activated, the in­
side door handles do not work and the doors can
only be opened from the outside.
Power Windows
Controls
The driver can control all power windows.
Fig. 34 Section of the driver's door: contro ls
All power window switches are provided with a
two-position function:
Open ing and closing
Opening the windows
.,. Press the switch to the first stop and hold it un­
til the window reaches the desired position.
.,. Press the switch briefly to the
second stop to
automatically open the window.
Closing the windows
.,. Pull the switch to the first stop and hold it until
the window reaches the desired position .
.,. Pull the switch briefly to the
second stop to au-
tomatically close the window.
Power window switches
@ Driver's door
@ Passenger's door
© Left rear door
@ Right rear door
® Safety button
Child safety locks
When the safety button ® is pressed ~ fig. 34,
the@symbol in the button lights up. The power
window switches in the rear doors are switched off .
A WARNING
--When you leave your vehicle - even if only
briefly - always remove the ignition key. This
applies particularly when children remain in
the vehicle. Otherwise the children could
start the engine or operate electrical equip­
ment (e.g. power windows). The power win­
dows are funct ional until the driver's door or
passenger's door has been opened.
- Pay close attention when closing the win­
dows to prevent pinching of hands or limbs.
- When locking the vehicle from outside, the
veh icle must be unoccupied since the win­
dows can no longer be opened in an emer­
gency .
(0 Tips
After the ignition has been switched off, the
windows can still be opened or closed for
about 10 minutes. The power windows are
not switched off until the driver's door or pas­
senger's door has been opened.
41

Light and Vision
Light and Vision
Exterior lighting
Switching the lights on and off
Fig. 42 Instrument panel : headlig ht co ntrol sw itch
Light switch ·'t/;
T u rn the switch c::> fig. 42 to the co rresponding
position . When the lights are switched on, the :
00
:
symbo l turns on.
O -The lights are off or the daytime r unning
lights are on :
-USA mode ls: The daytime running lig hts are
activated when the light switch
c:) fig . 42 is in
the
O pos it ion or the AUTO position (only in
daylight cond it ions) . The daytime runn ing
l ights fu nction can be turned on a nd off in the
r ad io or MM I* menu
Exterior lighting
c:) page 49, c::> & .
-Canada mo del s: T he daytime runn ing lights are
activ ated when t he lig ht switch
c:) fig . 42 is in
the
o pos it ion, :oo : position or the AUTO pos i­
tion (only in daylight condit ions). The dayt ime
runn ing lights fu nction cannot be tur ned off
c> & .
AUTO * -Automatic headlights switch on and off
depending on brightness, for example in twilight,
du ring ra in or i n tunne ls
c::> & .
;o o: -Side marker lights
fD -Low beam headlights
Fog lights /rear fog light (s)*
Press the appropriate button c::> fig. 42 :
}0 -Fog lights
O* -Rear fog light(s)
48 adaptive light*
When switched on
, adap tive ligh t ad ap ts to
curves in the roa d depending on the vehicle
speed and the steering ang le. Th is prov ides bet­
ter light ing th rough the curve. The system oper­
ates at speeds between approximately 6 mph (10 km/h) and 68 mph (110 km/h).
Static cornering light* (veh icles with adaptive
li ght) -the corne ring light switches on at speeds
up to approximately 25 mph (40 km/h) when a
ce rtain steering wheel angle is reached or when a
turn signal is act ivated . The area to the side of
the veh icle is illuminated better when turning .
T he adaptive light and the cornering light only
funct ion when the switc h is in the AUTO position
(automat ic head lights*) .
A WARNING
- Daytime r unning lights and au tomatic head­
lights* are o nly intended to ass ist the d river .
They do not relieve the d rive r of his res pon­
sibility to check t he headlights and to tur n
t hem on m anually accordi ng to the curren t
light and visibili ty cond itions. For example,
fog cannot be detected by the light sen­
sors*. So a lways switch on the headlights
io
unde r these weather conditions and when
driving in the dark .
- Crashes can happen when you cannot see
the road ahead and when you cannot be
seen by ot her motorists. Always tur n on the
headlights so that yo u can see ahead a nd so
that others can s ee yo ur ca r from the back .
- Please obey all laws w hen us ing the lighting
sys tems described here.
(D Note
The rear fog lights* shou ld only be turned on
i n accordance with traffic regu lation, as the
lights are bright for following traff ic.
{!) Tips
- The light sensor* for headlight contro l is lo ­
cated in the rear view m irror mount. You
should the refore not apply any stickers to .,.

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the windshield in this area in order to
prevent malfunctions or failures.
- Some exterior lighting functions can be ad­
justed
c:, page 49.
- When you remove your key from the igni­
tion while the vehicle's lights are turned on,
a buzzer sounds as long as the driver's door
is open.
- In cool or damp weather, the inside of the
headlights, turn signals and tail lights can
fog over due to the temperature difference
between the inside and outside. They will
clear shortly after switching them on. This does not affect the service life of the light­
ing .
- In the event of a light sensor malfunction,
the driver is notified in the instrument clus­
ter display
c:, page 21.
Turn signals and high beam lever
The lever operates the turn signals, the high
beams and the headlight flasher.
Fig. 43 Turn signal and high beam lever
Turn signals¢¢
g N
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~ CD
The turn signals activate when you move the lev­
er into a turn signal position when the ignition is
switched on.
@ -right turn signal
@-left turn signal
The turn signal blinks three times if you just tap
the lever.
High beams and headlight flasher ~D
Move the lever to the corresponding position:
@-high beams on
Light and Vision
@-high beams off or headlight flasher
The indicator light
II in the instrument cluster
turns on.
Notes on these features
- The turn signals only work with the ignition
turned on. The indicator lights. or
II in the
instrument cluster also blink.
- After you have turned a corner, the turn signal
switches off automatically.
- The
high beam works only when the headlights
are on. The indicator light
II in the instrument
cluster illuminates when the high beams are
on.
- The
headlight flasher works only as long as you
hold the lever -even if there are no lights
switched on . The indicator light
II in the in­
strument cluster illuminates when you use the
headlight flasher.
WARNING
Do not use the high beam or headlight flasher
if you know that these could blind oncoming
traffic.
Adjusting exterior lighting
The functions are selected in the radio or MMI* .
.,. Select: !CAR I function button> Exterior light­
ing .
Or
.,. Select: 1-C~A ~ R-.l function button > Car systems*
control button > Vehicle settings > Exterior
lighting.
Coming home (light when leaving car)*,
Leaving home (light when unlocking car)*
The coming home function illuminates the area
around the vehicle when the ignition is switched
off and the driver's door is opened. Depending on
vehicle equipment, the function can be switched on and off or the length of time the lights remain
on* can be adjusted .
The
leaving home function illuminates the area
around the vehicle when unlocking it. This func-
tion can be switched on and off.
ll>
49

Light and Vision
The coming home and leaving h ome functions
only operate when it is dark and t he light switch
is in the AUTO position
~ page 48, fig. 42.
Auto headlights*
W hen the light swi tch is in the A UTO ~ page 48
position, the sw itch-on po int of the lights can be
cha nged in the automatic driving light function.
Daytime running lights
USA models :
You can switch the daytime r unning
lights
on and off .
Canada models: The funct ion cannot be tu rned
off .
It is activated automatically each t ime the ig­
n ition is switched on.
Tra vel mode*
The headlight beam is asymmetrical. This pro­
vides stronger illumination on the side of the
road on which you are driving.
If you are driving
in a cou ntry that dr ives on the opposite side of
the road from you r own country, this will cause
g lar e fo r oncom ing dr ive rs . To p revent glare:
- Travel mode must be selected in veh icles w ith
Xenon headlights* .
- In vehicles with halogen headlights, certain
areas of the headlight lenses must be cove red
with waterproof adhesive covers that prev ent
l ight from passing through. For more informa­
tion, ple ase see you r auth orized Audi dea le r or
a uthorized repair fa ci lity .
When travel mode is ac tiva ted, a disp lay in
t he dr ive r inf orm ation sys tem in dicates this
e ach t ime yo u sw itch the ignition on .
50
Emergency flashers
Fig. 44 Center console: emergency flashe r switc h
The emergency flashers makes other motorists
aware that you or your ve hicle are in an emergen­
cy situat io n .
.. Press the switch~¢
fig. 44 to turn the emer-
gency flashers on or off .
When the emergency flashers are on, all four
turn s ignals b link at the same time. The turn sig­
nal indicator lights
RB i n the instrument clus­
ter, as well as the light in t he emergency flasher
switch
IA] blink likewise .
You can indicate a lane change or a turn when the
emergency flashers are switched on by using the
turn signal lever . The emergency flashers stop
tempora rily .
The emergency flashe rs a lso wor k when the ign i­
tion is turned off.
The emergency flashers will turn on automatical­
l y if you a re in an accident where the airbag has
deployed .
@ Tips
You should turn on the emergency flashers
when:
-you are the last vehicle standi ng in a traffic
jam so that any other vehicles com ing can
see yo u, or when
- yo ur ve hicle has broken down or yo u are in
an eme rge ncy sit uat ion, or w hen
-your vehicle is be ing towed by a tow tru ck or
if yo u are towing another vehicle behin d
you.

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Interior Lighting
Front/rear interior lights
(• ' .,;,I
~~~
8 8
O. ~O
l
Fig. 45 Front headl iner : interio r lighting co ntrols
Fig. 46 Rear headliner : rear re ading lights
@Interior lights
Press the switch Qfig . 45 in the corresponding
position .
0 -Interior lights off
I - Interior lights on
If the switch is in the center position, the interior lighting is controlled automatically .
@ Front/rear re ading lights
To turn a reading light on/off, press the button
~ Q fig. 45 or Q fig. 46.
The appearance and location of the rear reading
lights may differ depending on the model.
Light and Vision
Instrument illumination
The basic brightness of the illumination for the
instruments, the center console and the display
can be adjusted .
Fig. 47 Instrume nt illumin atio n
• Press the knob to release it .
• Turn the knob toward"- " or"+" to reduce or in­
crease the brightness .
• Press the knob again to return it to its o riginal
position .
@ Tips
The instrument illumination (for dials and
needles) lights on when the ignition is switch­
ed on and the vehicle lights are turned off. As
the daylight fades, the illumination of the di­
a ls likewise dims automatically and will go
out completely when the outside light is very
low. This feature is meant to remind you to
switch on the headlights when outside light
conditions become poor.
Vision
Adjusting the exterior mirrors
Fig. 48 Driver 's doo r: kno b fo r the exterio r mirrors
Turn the knob to the desired position :
51

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0 ::..:: co ..... ..... can switch rain sensor mod e off and sw itch int er­
mi ttent mode on in the MMI*. Select: I CARlfunc­
tion button
> Ca r sys te m s* control button > Driv·
er a ssist
> Ra in se nsor . In interm ittent mode,
you c an adju st the interva l time u sing the @
switch .
@-Slow wiping
@-Fast wiping
© -Sing le wipe
® -Clean the windshield . To elimina te w ater
droplets, the windshield wiper performs one af­
terwipe operat ion after several seconds while
driving . You can sw itch this function off by mov­
i ng the lever to position ® within
10 seconds of
the afterwipe operat ion. The afte rw ipe funct io n
is reactivated the next t ime the ignit io n is switch­
ed on.
allroad: The rear wiper automatically switches on
when the reverse gear is engaged and the fro nt
windsh ie ld w ipers are on and in operation .
C lean ing the headlights* . The headlight washer
system* ope rates on ly when t he headlights a re
on .
If you move t he leve r to pos ition ®· the
h eadligh ts a re washed in intervals.
@ -allroad: Wipe the rear window . The rear wip­
e r moves about every 4 seconds.
(J) -allroad: Clean the rear window . The number
of wip ing operations depends on how long the
lever is held in posit ion
(J) .
A WARNING
- T he rain senso r is only intended to assist the
dr iver. The driver is still responsib le for
man ua lly switching the wipers on accord ing
to the visibility conditions.
- T he windshie ld may not be treated wi th wa­
ter -repell ing windsh ield coa ting agents . Un­
favorable conditions, s uch as wetness, dark­
ness, low sun, can result in increased glare.
Wiper blade chatter is also possible .
- Properly function ing windshield wiper
blades are required for a clear view and safe
dr iv ing ¢
page 56, Replacing windshield
wiper blades .
Light and Vision
(D Note
-In the case of frost, check whether the
w indshield wiper blades are frozen to the
w indshield. Switching on the w indshield
w ipers can damage the w iper blades!
- Pr ior to using a car wash, the w indshield
w iper system must be sw itched off (lever in
position @). This helps to prevent un inten­
tional switch ing on and damage to the
w indshield wiper system .
(D Tips
-The windshie ld w ipers are switched off
when the ig nit ion is turned off . Act ivate the
w indshield wipers after the ignition is
switched back on by moving the w indshield
w iper lever to a ny position.
- Worn or dirty windshie ld w iper blades resu lt
in st reaking. This can affect the rain sensor*
function. Che ck your w indshield w iper
blades reg ularly.
- T he washer f luid noz zles of the w indshie ld
washer system a re heated at low tempera­
t u res when the ign ition is on .
- When s topping tempo rar ily, (e .g . at a t raf­
fic ligh t) the set speed of the winds hield
wipers is a utomatically reduced by one
speed .
Cleaning windshield wiper blades
Clean the windshie ld wipe r blades when they be­
gin to leave st reaks. Use a soft cloth and gla ss
cleaner to clean the windshield wiper blades.
Front wip er
.,. Place the windshie ld wiper arms in the service
position. R efe r to
c::> page 56 .
.,. Lift the w iper a rm away from the front window.
Rear wiper*
.,. Lift the w iper arm away from the rear w indow .
A WARNING p.----
Dirty windshie ld wiper blades can impair yo ur
v iew. This can lead to accidents .
55