2018 AUDI A4 warning light

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.
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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

a co .... N ,....
N .... 0 0
3 co
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

a co .... N ..... N .... 0 0
3 co
®-Clean the windshield . The wipers wipe one
time after severa l seconds of driving to remove
water drop lets. You can switch this function off
by moving the lever to position ® within 10 sec­
onds of the afterwipe. The afterwipe function is
reactivated the next time you switch the ignition
on .
C lean the headlights*. The headlight washer sys­
tem" operates only when the low beam head­
lights are on . If you move the lever into position
@, the headlights will be cleaned at fixed inter­
va ls .
Applies to: allroad:
@ -Wiping the rear window.
T he number of wipes depends on the windsh ield
wiper movement .
The rear wiper automatically switches on when
the reverse gear is selected and the front wind­
shield wipers are on and running .
Applies to: allroad:
0 -Clean ing the rear win­
dow. The number of wipes depends on how long
the lever is held in position
(J).
A WARNING
-The rain sensor is only intended to assist the
dr iver . The driver may still be responsible
for manually sw itching the w ipers on based
on v is ibi lity conditions.
- The windshie ld may not be treated with wa­
ter-repelling windshield coating agents . Un­
favorable conditions, such as wetness, dark­
ness or low sun, can result in increased
glare, which increases the risk of an acc i­
dent . Wiper blade chatter is also possible.
- Properly functioning windsh ield wiper
blades are required for a clear view and safe
driving
¢ page 62, Replacing wiper
blades.
(D Note
- If there is frost, make sure the windshie ld
wiper blades are not frozen to the wind­
shield. Switching on the windshield wipers
when the blades are frozen to the wind­
shield can damage the wiper blades .
- The windshield wiper system must be
switched off ( lever in position 0) before us-
Lights and Vision
ing a car wash. This prevents the wipers
from switching on unintentionally and caus­ ing damage to the windsh ield wiper system .
(D Tips
- The windshie ld wipers switch off when the
ignition is switched off . You can activate the
windshield wipers after the ignition is
switched back on by moving the w indshield
wiper lever to any position.
- Worn or dirty windshie ld wiper blades resu lt
in streaking. Th is can affect the rain sensor
function . Check your windshield w iper
blades regularly .
- The washer fluid nozzles for the windshield
washer system are heated at low tempera­
tures when the ign ition is on .
- When stopping temporarily, such as
at a
traffic light, the speed of the windshield
w ipers automatically reduces by one level.
Cleaning the wiper blades
Clean the wiper b lades when you see w iper
streaks. Use a soft cloth and a glass cleaner.
Windshield wiper
.,. Place the windshield wiper arms in the service
position
¢ page 62.
.,. Fold the windsh ie ld wiper arms away from the
w indshie ld.
Rear window wiper
Applies to : all road
.,. Fold the wiper arm away from the rear window.
A WARNING
D irt y windshield wiper blades can impa ir vi­
sion, wh ich i ncreases the risk of an accident .
-
61

Lights and Vi sion
Replacing wiper blades
Fig. 59 Re mov ing w indshi eld w iper blades
Windshield wiper service position/blade
replacement position
.,. To bring the windshield wipers into the service
pos ition, turn the ignition off and move the
winds hield wiper leve r into position @
¢page 60, fig. 57 .
.,. To bring the wipers into the starting pos it io n,
tu rn the ignition on and move the windshield
wiper lever into position @for at least two sec­
onds
¢ page 60, fig. 57 .
You can also turn the service position on o r off in
the Infota inment system :
... Switch the windshield wipers off (position @
¢page 60, fig. 57) .
.,. Select : the IMENU ! button> Vehicle> left con­
trol button >
Service & checks > Wiper change
position .
Removing the wiper blade
... Fo ld the windshield wiper arm away from the
windshield .
.,. Press the locking knob (D ¢ fig. 59 on the wiper
blade . Hold the wiper blade firmly .
.,. Remove the wiper blade in the d irection of the
arrow .
Installing the wiper blade
.,. Insert the new wiper b lade into the mount on
the wiper arm
@ until it clicks into place .
.,. Place the wiper arm back on the windshield .
.,. Turn the serv ice position off .
62
A WARNING
,--
For safety reasons, the windshield wiper
blades should be replaced once or twice each
year .
(]) Note
- Only fold the w indshield w ipers away when
they are in the service pos ition. Otherwise,
you risk damaging the paint on the hood or
the windsh ield wiper motor.
- You should not move your veh icle or operate
the windsh ield wiper lever when the wiper
arms are folded away from the windshie ld.
Th e windshie ld wipers would move back
in­
to their original position and could damage
the hood and windshie ld.
- To reduce the risk of damage to the wiper
system, always loosen blades which are fro­
zen to the windshield before operating the
wipers.
- T o reduce the risk of damage to the wiper
blades, do not use gasoline, kerosene, pa int
thinner, or other solvents on or near the
wiper blades.
- To reduce the risk of damage to the wiper
arms or other components, do not attempt
to move the wipers by hand .
(D Tips
- You can also use the service position, for ex­
ample, if you want to protect the windshield
from icing by using a cover .
- You cannot activate the service position
when the hood is open .

Replacing rear wiper blade
Applies to: vehicles with rear window wiper
Fig . 60 Rear window w iper : in stall ing the wiper b lade
Removing the wiper blade
... Fold the w iper arm away from the rear window .
... Remove the wiper blade from its holder.
Installing the wiper blade
... Press the wiper blade mount into the retainer.
... Fold the window wiper arm back onto the rear
window.
A WARNING
For safety reasons, the windshield wiper
blades should be replaced once or tw ice each
year .
Digital compass
Switching the compass on and off
Applies to: vehicles with digital compass
Fig. 61 Rearview mirror: digita l compass is sw itc hed on
Lights and Vision
.,. To turn the compass on or off, press the button
@ until the compass in the mirror appears or
disappears.
T he dig ital compass only works when the ignition
is turned on . The directions are indicated with ab­
breviations:
N (north), NE (northeast), E (east),
SE (southeast), S (south), SW (southwest), W
(west), NW (northwest).
(0 Tips
To prevent inaccurate compass readings, do
not bring any remote controls, electrical devi­
ces or metallic objects near the mirror.
63

Lights and Vision
Adjusting the magnetic zone
Applies to: ve hicles w ith d ig ital compass
The magnetic zone must be adjusted correctly for the compass to read accurately.
Fig. 62 Magnetic zone map
• Press and hold the button@~ page 63, fig. 61
unt il the number of the selected magnetic zone
appears in the rea rview mir ror .
• Press the b utton @repeatedly to select the
correc t magnetic zone . The sele ct ion mode
turns off after a few seconds .
Calibrating the compass
App lies to: ve hicles with d ig ital compass
If the display is incorrect or inaccurate, the com­
pass must be recalibrated .
• Press and hold the button @ until a C appears
in the rearv iew mirror.
• Drive in a circle at about 6 mph ( 10 km/h) unt il
a d irec tion is displayed i n the in terior rearv iew
mirror .
64
A WARNING
To reduce the ris k to yourse lf and o ther driv·
e rs, calibra te the compass in an area where
there is no traffic .

Sea ts and stor age
the possible seat settings @ are shown in the
Infotainment system
r::!;> fig . 65.
• To select a seat setting, turn the multifunction
button
(I) in the corresponding direction until
the desired seat setting is outlined in red.
• The arrows @ represent the possible adjust­
ments. Fo r example, to lower the lumbar sup­
port, press the multifunction button
(I) down.
The co rresponding ar row © lights up.
The follow ing seat sett ings @ are possible:
Massage function * -select the massage type
Wave, St ret ch , Knead or Off . You can adjust the
intens ity of each massage from 1 to 3. You ca n
sw itch the selected massage on/off using the
button @
r::!;> fig. 65.
Lumbar support -you can adjust the lumbar sup­
port up/down and to be stronger/weaker.
Side bolsters* -you can increase/decrease the
side support in the seat using the side bolsters
on the seat backrest.
@ Tips
- The massage function switches off a uto­
matically after approx imately 10 minutes.
- The air in the side bo lsters* is released as
soon as the driver's door opens. T his makes
i s possible to enter and exit the vehicle
more comfortably. As soon as you start driv­
i ng the veh icle, the side bo lsters fill.
Center armrest
There is a storage comportment under the arm­
rest.
F ig . 66 Comfort center armrest between the driver's seat
and front passenger's seat
66
• To adjust the ang le, raise the armrest from the
starting position notch by notch.
• To bring the armrest back into the sta rt ing po­
sition, raise it out of the top notch and fold it
back down.
The armrest can slide forward and back .
Head restraints
Front head restraints
Applies to: vehicles with adjustable head restraints
Fig. 67 Fro nt seat: adjust ing the head restraint
Adjust the head restraints so the upper edge is as
even as possible w ith the top of your head . If that
i s not possib le, try to adjust as close to this pos i­
tion as possib le .
Adjusting the head restraints
• To move the head restra int upward/forward,
hold it at the sides w ith both hands and sl ide it
upward/forward until yo u feel it click into
place.
• To move the head restra int downward/back­
ward, press the s ide button and slide t he head
restraint downward/backward . Release the but­
ton and slide the head restraint farther unti l it
clicks into place.
&_ WARNING
Always read and follow the applicable warn­ i n gs
r::!;> page 257, Proper adjustment of head
restraints.
-

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