2018 AUDI A4 warning lights

a co .... N ,....
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c::S Driver's door
II] Driver' s door: malfunction! Shift to P before
l e aving vehi cle. See own er's manual
There is a malfunction in the driver's door. Select
the P se lector lever position (automat ic transmis­
sion) to secure the vehicle.
Drive to an authori zed Aud i dealer or authorized
Aud i Service Facility immediately to have the
malfunct ion corrected .
-: Bulb failure indicator
If the II indica to r li ght turns on, a b ulb has
fa iled. The message ind icates the location of the
bu lb . Rep lace the b ulb immediately .
Vehicle lights: malfunction! Please c ont ac t
Servic e
There is a malfunction in the headlights or the
light switch . Drive to an authorized Audi dealer o r
author ized Audi Se rvice Facility immed iate ly to
h ave the ma lf u nction co rre cted.
_& WARNING
- Ligh t bul bs are under pressu re and can ex­
plode when bulbs are replaced, which in ­
creases the risk of injury.
- Wi th H ID headlights (xenon headlights), the
high -voltage component must be handled
correctly. Otherwise, there is a risk of fata l
injury.
{(D Dynamic headlight range control
II He adlight range cont rol: malfun ctio n! S ee
o w ner 's manual
There is a malfunction in the headlight range
control system, which may ca use glar e for other
drivers.
Drive to an authorized Audi dea ler o r a uthorized
Audi Servic e Facility immediately to have the
malfunct ion corr ected.
-
Coc kpit o ve rv iew
~O Audi adaptive light
Applies to: vehicles with Audi adaptive light
m;J Audi adapt ive light : malfun ction! See own­
er's manual
Adaptive light is not working . The headlights still
funct ion .
Drive to an au thorized Audi dealer or authorized
Audi Service Facility immed iately to have the
malfunction corrected .
@ Light/rain sensor
!;I Automatic headlights: ma lfunction! See
o wner' s manual
!;I Automati c wipers : malfunction ! See owner' s
manual
The light/rain sensor is malfunctioning.
The low beams remain switched on at a ll times
for safety reasons when the light switch is in the
AUTO position. However, you can continue to
turn the lights on and off using the light switch.
You can still contro l all functions that a re inde­
pendent of the rain sensor through the wind ­
shield wiper leve r.
Drive to an au thori zed Audi dealer or authori zed
Audi Service Facility immed iately to have the
malfunction corrected.
Q Suspension control
Applies to : vehicles with suspension control
II Su sp ension: malfunction! You may continue
drivin g
There is a suspension control malfunction .
Drive to an authorized Audi d eal er or authorized
Audi Service Facility immed iate ly to have the
malfunction correc ted.
r : All wheel drive/sport differential
Applies to: vehicles with all wheel drive/sport diffe rentia l
(II All-wh eel dri ve : malfun ction! You may con-
tinue driv ing. Pl ease contact Service
.,.
35

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Opening and closing
Central locking
Description
You can lock and unlock the veh icle centrally . You
have the following options:
-Remote control key¢ page 40,
-Sensors in the door handles* ¢ page 40,
-Lock cylinder on the driver's door c::> page 42,
or
-Interior central locking switch c::> page 41.
Turn signals
The turn s ignals flash twice when you unlock the
veh icle and flash once when you lock the veh icle.
If they do not flash, then one of the doors, the
rear lid or the hood is not closed.
Automatic locking (Auto Lock)
The Auto Lock funct ion locks all doors and the
luggage compartment lid once the speed has
ex­
ceeded approximately 9 mph (15 km/h).
The vehicle can be unlocked if the opening func­
tion in the central locking system sw itch is used
or one of the door handles is pulled.
In the event of a crash with airbag deployment,
the doors will a lso automat ically unlock to allow
access to the vehicle.
Selective door unlocking
The doors and luggage compartment lid will lock
when they close . You can set in the Infotainment
system whether
only the driver's door or the en­
tire vehicle should be unlocked when unlocking
c::> page 41.
Unintentionally locking yourself out
Only lock your vehicle when all of the doors and
the luggage compartment lid are closed and the remote control key is not in the vehicle . This
helps to prevent you from locking yourse lf out
accidentally .
The follow ing cond it ions prevent you from lock­
ing your remote control key in the vehicle:
Opening and closing
-If the driver's door is open, the vehicle cannot
be locked by pressing the
fi'.) button on the re­
mote contro l key or by touching the locking
sensor* on a door.
-If the most recently used convenience key* is
detected in the luggage compartment, the lug­
gage compartment lid automatically unlocks
again after closing it.
-If the convenience key* that was last used is de­
tected inside the vehicle, then the vehicle will
not be able to lock from the outside .
_& WARNING
---
-When you lock your vehicle from outs ide,
nobody- espec ially children
-should rema in
inside the vehicle. Remember, when you
loc k the vehicle from the outside the win­
dows cannot be opened from the inside .
- When you leave the vehicle, always take the
ignit ion key with yo u. This will prevent pas­
sengers (children, for examp le) from acci­
dentally being locked in the vehicle should
they accidentally press the power locking
switch in the doors.
- Do not leave children inside the vehicle
un­
supervised. In an emergency it would be im­
possible to open the doors from the outside
without the key.
(D Tips
-Do not leave valuables unattended in the ve­
hicle. A locked vehicle is not a safe!
-The LED in the driver's door rail blinks when
you lock the vehicle. If the LED lights up for
approximately 30 seconds after locking,
there is a malfunction in the central locking
system. Have the problem corrected by an
authorized Audi dealer or authorized Audi
Service Facility.
37

Opening and clo sin g
When the valet parking function is switched on,
the message
V alet pa rking acti vated appears in
the instrument cluster display when you switch
the ignition on.
(D Tips
Please note that the luggage compartment
can still be accessed from the vehicle interior
in vehicles with fixed rear seat backrests or
ones that cannot be locked, even when the
valet parking function is switched on.
Garage door opener (HomeLink)
Description
Applies to: veh icles with garage door opener (Homelink)
Fig. 46 Garag e door ope ner: exa mples o f usage for di ffer­
ent systems
W ith the garage door opener (Homel ink), you
can act ivate systems such as the garage doors,
security systems or house lights from inside your
veh icle. Three buttons are integ ra ted in the head­
line r that can be programmed to up to th ree re­
mote controls.
To be ab le to operate systems using the garage
door opene r, the buttons in the head line r must
first be programmed.
A WARNING
When ope rating o r programming the garage
door opener, make sure that no people or ob ­
jects are in the area immediately surrounding
the equipment. Peop le can be injured or prop­
erty can be damaged if struck when closing.
52
@ Tips
- For security rea.sons, we recommend that
you clear the programmed buttons before
selling the vehicle.
- For additiona l information about Homelink,
visit www.homelink.com.
- For an exp lanation on conformity w ith the
FCC regulations in the Un ited States and the
Industry Canada regulat ions, see
q page386.
Operation
Applies to : vehicles with garage door opener (Homelink)
Requirements : the button in the headliner must
be programmed ¢
page 52 and the vehicle
must be w ithin range of the system, such as the
garage door.
.,. Press the button to open the garage door . The
LED @ Q page 52, fig. 47 blinks or turns on .
.,. Press the button aga in to open the garage
door .
{D Tips
When opening or closing the garage door, do
not press and hold the button longe r ten sec ­
onds or the garage doo r opener w ill swi tch to
programming mode.
Programming buttons
Applies to: vehicles with garage door opener (Home link)
I 111 111
Fig. 47 Headline r: cont rols
N (0 0 0
1 m
You can prog ram bo th fixed code and rolling code
systems using this procedure .
..,.

Lights and Vision
Lights and Vision
Exterior lighting
Switching the lights on and off
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I
Fig. 48 Instrument panel: light sw itch w ith buttons
Light switch ·ti :
Turn the light switch to the corresponding posi­
tion when the ignition is switched on.
;oo: and the
selected pos ition turn on (except pos ition 0).
0 -The daytime r unning lights a utomat ica lly turn
on . In veh icles for certain markets, you can
switch the automatic daytime runn ing lights on
and off in the Infotai nment* system.
AUTO -T he head lights automatically adapt to the
surrounding brightness.
:oo: -Parking lights
io -Low beam headlights
Buttons
When you turn the light sw itch to the AUTO or
low beam headlight position
io, you can activate
the following functions:
jo -All weather lights. The headlights automati­
cally adjust so that there will be less glare, for
examp le when th e road surface is wet.
0$ -Rear fog lights
Automatic headlight range control system
Your veh icle is equipped wi th a n automatic head­
light r ange control system th at red uces glare fo r
oncoming tra ffic if the vehicle load changes. The
headlight range ad justs automatica lly.
54
Audi adaptive light
App lies to: vehicles wi th adaptive light
Adap tive ligh t provides be tter visibility when it i s
dark by adapting the ligh ts to the road conditions
based on speed, such as on expressways, r ura l
roads, at intersections, and in curves. The adap ­
tive light only functions when the light switch is
i n the AUTO position.
A WARNING
-Automatic headlig hts* are on ly intended to
assist the driver. They do not relieve the
driver of responsib il ity to check the head­
lights and to t urn them on manua lly ba sed
on t he curre nt ligh t and v is ibility conditions.
F or examp le, fog cannot be detec ted by the
light sensors. So always switch on the low
beams under these weather condit ions and
when dr iv ing in the dark
fD .
- The rear fog lights shou ld only be turned on
in accordance w ith traffic regulations, to
prevent glare for traffic behind your vehicle.
- Always observe legal regulat ions when us­
ing the lighting systems desc ribe d.
{l) Tips
- Th e light sensor for the a utomat ic he ad ­
lights * is in the rearview mir ror mount. Do
not p lace any stickers in this area on the
w indshield.
- A warning tone will sound if yo u ope n the
door when the exte rior lights a re switched
on.
- On ly the front headlights turn on when t he
daytime running lights are switched on* . In
vehicles in certain markets, t he tail lights
w ill also t urn on.
- In cool or damp weather, the inside of the
head lights, t urn signa ls and ta il lig hts can
fog over due to the temperature difference between the inside and outside. They w ill
clear shortly afte r switching them on. This
does not affect the service life of t he light­
mg.

Turn signal and high beam lever
The lever operates the turn signals, the high
beams and the headlight flasher .
Fig. 49 Turn signal and high beam lever
Turn signals ¢¢
N
0 0
> u. C0
The turn signals activate when you move the lev­
e r i nto a turn s ignal position when the ign ition is
switched on.
(D -Right turn signa l
@-Left turn signal
The turn s ignal 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 (vehicles with high beam as­
sistant*) ¢
page 55
©-High beams off or headlight flasher
The
II ind icator light in the instrument cluster
turns on.
A WARNING
H igh beams can cause glare for other drivers,
which increases the risk of an acc ident. For
this reason, only use the h igh beams or the
head light flasher when they will not create
glare for other drivers.
Lights and V ision
High beam assistant
Applies to: vehicles with high beam assistant
The high beam assistant automatically turns the
high beams on or off depending on the surround­
ing conditions .
A camera on the rearview mirror mount can de­
tect light sources from other road users . The high
beams sw itch on or off automatically depending
on the posit io n of vehicles driving ahead and on­
coming vehicles, the vehicle speed and other en­
vironmental and traffic conditions.
Activating high beam assistant
Requirement: the light sw itch must be set to the
AUTO posit ion and the high beam ass istant must
be switched on in the Infota inment system
¢p age 56.
.,. To act ivate the high beam ass istant, tap the
lever forward @¢
page 55, fig . 49 . The lj!a in­
d icator light appears in the instrument cluster
disp lay and the high beams a re switched on/off
automatically. If the high beams were com­
p letely or partially switched on, the
II indica­
to r light turns on.
Switching the high beams on/off manually
If the high beams did not switch on/off automat­
ically as expected, yo u may swi tch them on or off
man ua lly ins tead:
.,. To switch the h igh beams on manua lly, tap the
lever forwa rd @ ¢
page 55, fig. 49. The II in­
dicator light turns on.
.,. To switch the high beams off manually, pull the
lever back©¢
page 55, fig. 49. The high beam
assistant is deactivated .
Operating the headlight flasher
.,. To operate the headlight flasher when the high
beam ass istant is activated and high beams are
sw itched off, pull the lever back ©¢
page 55,
fig. 49.
The high beam assistant remains ac­
tive .
Messages in the instrument cluster display
ml Audi adaptive light: malfun ction! See own-
er's manual
..,.
55

Lights and Vision
Ir.a Head light a ssista nt: malf unction! See own­
er' s manual
Drive to an a utho rized Aud i de aler or authorized
Aud i Serv ice Facility immediately to have the
malfunction corrected . You can still switch the
high beams on or off manually .
II Headlight assi stant : currently unavail able .
Camera view re stricted due to surroundings .
See owner's manual
The camera view is b lo cked , fo r example by a
s t icker o r debr is.
The sensor is located between the interior rear­
view mir ror and the windshield . Do not p lace any
stickers in th is area on the windshield .
_& WARNING
High beam assistant is only i ntended to assist
t he driver. The dr iver is still res ponsible for
cont ro lling the headlights and may need to
switch them on and off manually depend ing
on light and visib ility co nditions . It may be
necessary to ope rate them manua lly in s itua­
tions such as:
- In adve rse weathe r cond itions such as fog,
heavy ra in, b low ing snow or sp raying water .
- On roads where oncoming traffic may be
partia lly obscured, s uch as exp ressways .
- When there a re road users that do not have
s uf ficient lighting, s uch as bicyclers o r
vehicles with dirty ta il lamps.
- In tight curves and o n steep hills .
- In poorly lit areas .
- Wi th stro ng reflecto rs, such as s igns.
- If the area of the windsh ield near the senso r
is fogged ove r, dirty, i cy or covere d with a
st icker .
Adjusting the exterior lighting
The functions ar e adjust ed in the Infotainm ent
system.
• Se lect in the Infotainment system: I M ENU I but­
ton
> Vehi cle > left contro l button > Vehicle
setting s
> Exterior lighting .
56
Automatic headlights
You can adjus t the following se ttings in the Au ­
to-dimming high beam s
menu:
Activation time -you can adjust if the headlights
swi tch on
Early , Medium or Late accor ding to t he
sens itivity of t he lig ht sen sor .
Headlight assistant * -you can switch the high
bea m assis tant* on and off.
Entry/exit lighting
When it is dark, the Ent ry /exit lighting ill umi­
nates the area a round the vehicle when unlocking
the veh icle and after switch ing off the ig nition
and opening the dr ive r's door .
The
Entry /e xit lighting only works when it is
dark and the light sw itch is in the
AUTO posit ion.
Daytime running lights
USA models :
the daytime r unning lights can be
switch ed on/off . S elect
On or Off.
Canada models: this f unction canno t be sw itched
off. They activate automatically each time the ig­
nit ion is switched on.
Emergency flashers
-- - ---
] -~ ~-
-------
Fig. SO Ce nter conso le: emerge ncy flashe r bu tt o n
The emergen cy fl ashe rs m akes ot her d rivers
aware of your veh icle in dangerous situations.
• Press the ~ b utton to switch the emergency
flashe rs on or off .
Yo u can indicate a la ne change or a turn when the
eme rgency flashers are switched o n by using the
turn s ignal leve r. T he eme rgency f lashe rs stop
tempor arily .
ll-

Lights and Vision
@ Tips
The setting is automatica lly stored and as­
signed to the remote control key that is be ing
used.
Instrument illumination
The brightness of th e illumination for the instru­
ments , display and head-up display* can be ad­
jus ted.
F ig . 53 Instru ment i llumi natio n
"' Press the knob to release it.
"'T urn the knob toward"-" o r"+" to reduce or in­
crease the brightness .
,,, Press the knob again to return it to its or iginal
pos ition .
(D Tips
Depending on vehicle equipment, the inst ru ­
ment illumination (needles and gauges) may
turn on when the lights are off and the igni­
tion is switched on . The illumination for the
gauges reduces automatically and eventually
tur ns off as brightness outside increases . This
function reminds the driver to turn the low
beams on at the app ropr iate time.
58
Vision
Adjusting exterior mirrors
Fig. 54 Driver 's doo r: kno b fo r t he e xterio r mirrors
Turn the knob to the des ired position:
0
-a ll adjustment functions are deactivated.
q / P -adjus ts the left/right exter io r mirror.
Move the knob in the desired direct ion.
(@ -Heats* the mir ror glass depend ing on the
outside temperature.
8 -F olds the exterior mirrors* . To fold the m ir­
rors out, turn the knob to one of the other posi­
tions . In the I nfota inment system, you can select
i f the m irro rs fo ld in au tomatically when yo u lock
the
ve hicl e~ page 41 .
Front passenger's exterior mirror tilt
function *
To help you see the curb when backing into a
parki ng space, the su rface of the m irro r til ts
slight ly. For this to happen, the knob must be in
the position for the front passenger's exterior
mirror.
Yo u can adjust the tilte d mir ror s urface by t urn­
i ng t he knob in the desired di rect io n. When you
move out of reverse and into another gear, the
new m irror position is stored and assigned to the
key you are using .
The m irror goes back into its or iginal pos ition
once you drive forward faster than 9 mp h
(15 km/h) or turn the ignition off.
&_ WARNING
Cu rved mi rror sur faces (for example convex)
enla rge the field of vision. However, they

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make objects in the mirror appear smaller
and farther away. Your may estimate incor ­
rectly when you use these mirrors to gauge
your distance from the vehicles behind you
when changing lanes, which increases the risk of an accident .
Q) Note
- Applies to vehicles with power folding exte­
rior mirrors: if the mirror housing was
moved by outside forces (such as an impact
when maneuvering), you must use the pow­
er folding function to fold the mirror all the
way out. The mirrors will make a loud noise
when they latch into place. The mirror hous­
ing must not be moved back into place by
hand because this would impair the func­
tion of the mirror mechanism.
-Applies to vehicles without power folding
exterior mirrors: if the mirror housing was
moved by outside forces (such as an impact
when maneuvering), you must move it back
in place by hand.
- If you wash
th@ vehicle in an automatic car
wash, you must fold the exterior mirrors in
to reduce the risk of damage to the mirrors.
Never fold power folding exterior mirrors*
by hand . Only fold them in and out using
the power controls.
{!) Tips
-If the power adjusting function malfunc­
tions, the glass in both mirrors can be ad­
justed by pressing on the edge of it by hand.
- The exterior mirror settings are stored with
the memory function*
9 page 67.
Dimming the mirrors
Your vehicle is equipped with a manual or auto­
matic* dimming rearview mirror .
Manual dimming rearview mirror
.,. Pull the lever on the bottom of the mi rror back .
Lights and Vision
Automatic dimming rearview mirror*
.,. The interior and exterior mirrors dim automati­
cally when light shines on them, for example
from headlights on a vehicle behind you.
A WARNING ,-
If the glass on an automatic dimming mirror
breaks, electrolyte can leak out. This liquid
can irritate the skin, eyes and respiratory sys­
tem. If there is contact with the fluid, flush
immediately with plenty of water. Consult a
physician if necessary .
- Repeated or long -term exposure to electro­
lyte fluid can lead to irritation of the air­
ways, especially in people with asthma or
other respiratory conditions. Take deep
breaths immediately after leaving the vehi­
cle or, if this is not possible, open all of the
doors and windows as wide as possible.
- If electrolyte fluid enters the eyes, flush
them thoroughly with a large amount of
clean water for at least 15 minutes and then
seek medical attention.
- If electrolyte fluid comes into contact w ith
the skin, flush the affected area with clean
water for at least 15 minutes and then clean
with soap and water and seek medical at­
tention . Clean affected clothing and shoes
thoroughly before wearing again.
- If the fluid was swallowed and the person is
conscious, flush the mouth with water for at least 15 minutes . Do not induce vomiting
unless this is recommended by medical pro­
fessionals . Seek medical attention immedi­
ately .
0 Note
If the glass on an automatic dimming mirror
breaks, electrolyte can leak out. This liquid
damages plastic surfaces and paint . Clean
this liquid as quickly as possible, for example
with a wet sponge .
(D Tips
-If the light reaching the rearview mirror is
obstructed, the automatic dimming mirror
will not function correctly,
59