2016 AUDI A4 warning lights

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0 ::..:: co ..... ..... /(@) Anti-lock braking system (ABS)
This
warning/i ndicator light monitors the ABS
and the electronic differential lock (EDL) .
The warning/indicator light fIE) (USA models)/
ti] (Canada models) wi ll come on for a few sec­
onds when the ig nition is switched on. The ligh t
w ill go out after an au tomatic check sequence is
comp leted.
There is a malfunction in the ABS when :
-The warning/indicator lig ht does not ill uminate
when you switch the ig nition on .
- The warning/indicator light does not go out af­
ter a few seconds.
- The warning/indicator lig ht ill uminates wh ile
driv ing .
The ESC indicator light a lso ill uminates if the re is
a ma lf u nction in the ABS. The message
Stabiliza­
tion control (ESC ): Fault! See owner's manual
als o appears in the inst rument cluste r display
and a warn ing tone sounds.
The brake system will still respond even with­
out the assistance of the ABS system. See your
authorized Audi dealer as soon as possible to re ­
store full braking performance.
For mo re infor­
mat io n regarding the ABS
c::> pag e 177.
M alfunction in the brake system
If the b rake warning light c::> page 15 and the ABS
warn ing illuminate
together there may be a ma l­
function in the ABS , and there may also be a ma l­
function in the b rake system itse lf
c::> .&. . The ABS
will not work and you will notice a change in braking respon se and performance.
In the event of a malfunction in the brake sys ­
tem
the warn ing/ indicator light 1111 (USA mod­
e ls)/ . (Canada models) in the instrument clus­
ter f lashes
r:::;, page 15 .
Malfunction in the electronic differential
lock (EDL)
The EDL works toget he r with the ABS . The ABS
war ning light w ill come on if there is a ma lf u nc­
tion in the ED L sys tem
c::> page 1 77. See your au ­
t h oriz ed A udi de aler as soon as poss ib le .
Instruments and ind icator lights
A WARNING
- If the fIE) (USA mode ls)/ tl] (Canada mod­
els) warning light does not go out, or if it
comes on while dr iv ing, the A BS system is
not working prop erly. The veh icle can t hen
be s toppe d only wi th the s ta nd ard brake s
(wit hou t A BS). Y ou will no t have the pro te c­
t ion A BS provi des . Cont act your aut hor ized
Au di deale r as soon as possible.
- US A mode ls: I f th e 1111 warning light and
the
9 warn ing ligh t come on togethe r, the
rear w heels could lock up fi rst under hard
braking . Rear wheel lock- up can cause loss
of vehicle contro l and an acc ident. Have yo ur
veh icle repaired immediately by your au ­
thorized A udi dealer or qualified workshop .
Drive s low ly an d avoid sudd en, hard brak e
ap pli catio ns.
- Canada models : If the brake warn ing light
• and t he A BS warning ligh t
tlJ come on
toge ther, th e re a r wh ee ls cou ld loc k up first
un der hard b raking. Rea r whee l lo ck- up can
c a use l oss of ve hicle con trol and a n acci­
dent . Have your ve hicl e repaired immedia te­
ly by your a uthorized Audi dea ler or q uali­
fied workshop. D rive slowly and avoi d sud­
den, ha rd brake applications.
tli I !i: Safety systems
The fl (USA models)/ EI (Canada mode ls) indi­
cator lig ht monitors the safety systems (e.g. a ir ­
bags, pretens ione rs) and illum inates fo r a few
seco nds each time you swi tch the ignition on.
If the
II (USA models) tEI (Canada models) in­
dicator light does not go out, o r if it ill uminates
wh ile you a re dr iv ing, or if it sta rts to b link, t hen
t h ere is a malfunct io n somewhere in the system .
If the ligh t does not illum inate wh en yo u sw itc h
t h e igni tion o n, t his a lso means there is a mal­
funct ion.
A WARNING ~
If yo u have a ma lf u nct ion in the safe ty sys-
tems, contact your authorize d Au di d ealer im ­
mediately. Ot herwise the safety systems may
not wor k properly in an accident .
19

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¢¢
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0
~ 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