2015 AUDI A4 sensor

14 Instruments and warning/indicator lights
TPMS
smsoR
Electronic Stabilization Control
( ES C) ./
¢page 18
Electronic Stabilization Control
(ESC)
¢ page 185
USA models:
Anti-lock braking system (ABS)
defective ./
¢ page 19
Canada models:
Anti-lock braking system (ABS)
defective ./
¢ page 19
USA models:
Safety systems ./
¢page20
Canada models:
Safety systems ./
¢ page20
Worn brake pads
¢ page 20
E lectromechanical parking brake
¢ page 16
T ire pressu re monitoring
system ./
¢ page258
Tire pressure monitoring system
¢page258
E lectronic power control./
¢ page20
Malfunction indicator Lamp
(MIL) ./
¢ page 20
Engine speed limitation
¢ page20
Engine oil leve l
¢ page 17
Engine oil sensor
¢page 21
Battery
¢ page 16
Tank system
¢ page 21 Warm
up eng ine*
¢ page208
Windshield washer fl uid leve l
¢page21
Windshield wipers
¢page 21
Remote control key
¢page85
Battery in remote control key
¢page33
Defective light bulb warning
¢ page21
Fog lights
¢page 21
Rear fog light(s)*
¢page21
Headligh t range control*
¢page21
Adaptive light*
¢page22
Light-/rain sensor *
¢ page22
Adaptive dampers*
¢page22
Sport differential*
¢page22
I gnition lock
¢page 22
Steering column lock
¢page 18
Electromechanical steering, dy­
namic steering *./
¢pag e 190
Transmission
- mult itronic, t iptron ic
¢page99
- S tronic
¢ page 99
Transmission
- S tronic
¢ page 99

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Instruments and warning/indicator lights 21
The IJI symbol illuminates when there is an
engine control malfunction. The
[3i indicator
light in the instrument cluster also illumi­
nates . The engine speed is limited to the
speed d isplayed in the driver information sys­
tem . Keep in mind that the eng ine speed will
not exceed the value displayed in the drive r in­
formation system , for example when down­
shifting.
Drive to your authorized Aud i dealer immedi ­
ately to have the malfunct ion corrected.
'l=cr .., Engine oil sensor
• Oil level! Sen sor defective
If the symbol illuminates, contact your au­
thor ized Audi dealer and have the o il sensor
i nspected . Until you have th is done, check the
oil level each time you refuel just to be on the
safe side
c::> page 216.
Bil Tank system
mJ Please refuel
If the indicator light turns on for the first
time and the message appears, there are
about 2.1- 2.4 gallons (7 -9 liters) of fuel left
in the tank. Time to refuel
c::> page 209 .
DD Fuel tank system malfunction! Contact
dealer
If the indicator light turns on and th is mes ­
sage appears, there is a malfunction in the
tank system .
Drive to your authori zed Aud i dealer immedi­
ately to have the malfunction corrected.
<:o Windshield washer fluid level
B Please refill washer fluid
If the symbol illumina tes, add windshield
washer fluid to the washer system and also to the headlight washer system *
c::> page 225.
~ Windshield wipers
m Windshield wiper defective
There is a malfunction with the windshie ld
wipers .
Drive to your authorized Audi dealer immed i­
ate ly to have the malfunction corrected .
~/ }D 10$ Defective light bulb warning
If the f:I indicator light turns on, a bulb has
failed. Th e message indicates the location of
the bu lb .
- If the
II indicator light also turns on, then
a fog light has failed . The position of the in­
dicator light corresponds with the location
on the vehicle .
- If the
IJ indicator light also turns on, then
a rear fog* light has failed . The position of
the indicator light corresponds with the lo­
cation on the vehicle.
T his warning can also occ ur if the light switch
is in an unengaged position between two sym­
bols.
Vehicle lights : System fault!
If the message appears, there is a malfunc­
tion in the headlights or light sw itch.
Drive to your au thorized Audi dealer immedi­
ately to have the malfunction corrected .
A WARNING
-Light bulbs a re p ressurized and could ex­
plode wh ile they are being changed caus­
ing serious personal injury.
- Work with due care when hand ling the
high-voltage section of gas discharge
(xenon) lights*. Failure to do so could re­
sult in death or serious injury .
(D Tips
Have the bu lb replaced or the connection
r epaired by your authorized Audi Service
department .
i,0 Headlight range control
Applies to veh icles : w ith headli ght ra nge control
liJ Headlight range control defective !

22 Instruments and warning/indicator lights
If the symbol II illuminates, the dynam ic
headlight range cont rol is no longer wo rking
properly. Have the system checked and re­
pa ired at your author iz ed Audi dealer.
~O Adaptive Light
Applies to vehicles: with adaptive light
111 Aud i adaptive l ight: defective
If t he indicator lig ht t urns on a nd th is mes­
sage appears, t he re is a ma lfunction in the
adapt ive light system. The headlig hts still
function.
Go to an a uth o rized dea le rship to have the
headlights or the contro l unit for the adapt ive
light repa ired.
~ o Light/rain sensor
Applies to vehicles: with light/rain sensor
£I Automatic headlights/ automatic wipers
defectiv e
If the indicator light t urns on and th is mes­
sage appears, the lig ht/ra in sensor is n ot
f u nctioning cor rectly .
For safety reasons the low beams are turned
on permanent ly w ith the switch in AUTO .
H owever, you can c ontinue to turn the lights
on and off using the light switc h. You can still
con trol a ll funct ions tha t are in depe nden t of
the rai n sensor through the wi ndshi eld wipe r
l eve r.
Contact your author ized Audi dealer as soon
as possible to have the prob lem cor rected .
Q Adaptive dampers
Applies to vehicles: with Audi drive select and adaptive
dampers
H Suspension: System fault!
If t he
H symbol in the disp lay comes on,
there is a malfunction in the adaptive damp ­
e rs . Please go to an authorized Audi dea ler or
qua lified workshop to have the malfu nction
repaired.
I-: Sport differential
Applies to vehicles: with Audi drive select and sport dif­
ferential
Sport differential : System fault!
There is a malfunction with t he sport d iffe ren­
tia l.
D rive to your au thorized A udi dealer immedi ­
ate ly to have the ma lfunction corrected.
Sport differential : Overheating
T he trans missio n tempera ture has inc reased
s ignifica ntly due to t he spor ty d riving manner .
Dr ive in a less sporty ma nner until the tem­
p era ture re tur ns to the normal range and t he
in dica to r li ght switc he s of.
_& WARNING ... -
Co ntac t your author ized Audi dealer or
qu alified wor kshop if the s port differential
i s faulty or malfunct io ning. T he repair
must be perf ormed by t rained personnel
usi ng the co rrect oil in o rder to ensure
safety.
~ Ignition lock
l3 Ignition lock defective
There is a malfunction in the e lectronic igni­
t ion loc k. Please go to a n author ized Audi
dealer or other qualified worksh op to have t he
malfu nction repa ired .
¢ Q Turn signals
Wh eneve r yo u use the left
Ill o r th e r ight 8]
tu rn s ignal, the in dicato r li ght blin ks. W he n
yo u use t he emerge ncy fla she rs, bo th indic a­
tor lights flash.
If one of the turn s igna l light bulbs bu rn o ut,
t h e tur n sig nal w ill bli nk twi ce as fast as no r­
m al. Ca ref ully dr ive to you r a utho rized Aud i
dealer imme diate ly to have the m alfunction
cor rected.

Locking and unlocking with convenience
key
Applies to vehicles: with convenience key
The doors and the rear lid can be unlocked
and locked without operating the master key .
Fig . 23 Door handle : lock ing t he ve hicle
Unlocking vehicle
.. Take hold of the door handle . The door is un-
locked automatically.
.. Pull the handle to open the door.
Locking vehicle
.. Move the selector lever to the P position
(automatic transmission), otherwise the ve­
hicle cannot be locked.
.. To lock the vehicle, close the door and touch
the sensor in the door hand le
once Q fig. 23
¢ A in General descript ion on page 31. Do
not reach inside the door handle .
The vehicle can be locked and unlocked at any
door. The remote control key cannot be more
than 1.5 m away from the door handle. It makes no difference whether the master key
is in your jacket pocket or in your brief case .
If you grip the door handle while locking, this
can adversely affect the locking function.
It is not possible to re-open the door for a
brief period directly after closing it. This al­
lows you to ensure that the doors are properly
locked.
I t depends on the settings in the radio or
MMI* whether the entire vehicle is unlocked
M N or one of the doors¢ page 36.
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Opening and closing 35
A WARNING
Read and follow all WARNINGS ¢.&. in
General description on page 31 .
(D Tips
If your vehicle has been standing for an ex­
tended period, please note the following:
- The proximity sensors are deactivated af-
ter a few days to save power . You then
have to pull on the door handle once to
unlock the vehicle and a second t ime to
open the vehicle.
- To prevent the battery from being dis­
charged and to preserve your vehicle's
ability to start for as long as possible,
the energy management system gradu­
ally switches off unnecessary conven­
ience functions. It is possib le that you
w ill not be able to unlock your vehicle us­
ing these convenience functions.
- For Declaration of Compliance to United
States FCC and Industry Canada regula ­
tions ¢
page 286.
Locking and unlocking the vehicle from
inside
Fig. 24 Drive r's doo r: pow er locking sw itch
.. Press the button@ to lock the vehicle¢ _A.
.. Press the button@ to unlock the vehicle
¢fig. 24.
If you lock the vehicle using the power locking
switch, please note the following:
- If a door is open , the veh icle cannot be
locked using the power locking system
switch.

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Clear vision Lights
Switching the lights on and off
F ig . 43 Instrument pane l: headlight control switch
Light switch ·'t/,·
Turn the switch c> fig . 43 to the correspond ing
position . When the lights are switched on, the
:oo: symbol turns on.
0 • The lights are off or the dayt ime running
lights are on:
- USA mod els : The daytime running lights are
activated when the light sw itch
c> fig . 43 is
in the
O position or the AUTO position (only
in daylight conditions) . The daytime running
lights function can be turned on and off in
the radio or MMI* menu
E xteri or li ghtin g
¢ page SO, c> &_ .
-Ca nad a mod els: The daytime runn ing lights
are activated when the light sw itch
¢ fig . 43
is in the O position, :oo: position or the AUTO
posit ion (only in daylight conditions). The
daytime running lights function cannot be
turned off¢&. .
AUTO* -Automatic headlights switch on and
off depending on b rightness, for example in
tw ilight, during rain or in tunnels¢,& .
:oo: -Side marker lights
~D -Low beam headlights
Fog light s/rea r fog ligh t(s)*
Press the appropriate button c> fig. 43:
1D -Fog lights
; 0$ -Rear fog light(s)
,...., l/1 ,....,
Clear vi sion 49
adaptive light *
When switched on, adaptive ligh t adap ts to
curves in the road depend ing on the vehicle
speed and the steering ang le. This provides
better lighting through the curve. The system
operates at speeds between approximately 6 mph (10 km/h) and 68 mph (110 km/h).
St atic corner ing light * (vehicles with adaptive
light) -the cornering light switches on at
speeds up to approximately 25 mph (40 km/ h) when a certain steering wheel angle is
reached or when a turn signal is activated. The
area to the s ide of the vehicle is illuminated
better whe n turn ing .
The adaptive light and the cornering light only
function when the switch is in the AUTO posi­
tion (automatic headlights*) .
A WARNING
-Daytime running lights and automatic
headlights* are only intended to ass ist
the driver . T hey do no t re lieve the driver
of his responsibility to chec k the head ­
lights and to t urn them on manua lly ac­
cording to the current light and visibility
conditions. For examp le, fog cannot be
detected by the light sensors*. So a lways
switch on the headlights
~D under 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 other motorists. Always turn on
the head lights so that you can see ahead
and so that others can see your car from
the back.
- Please obey all laws when using the
lig hting sys tems described here.
(D Note
The rear fog lights* should on ly be turned
on in accordance with t raff ic regulation, as
the lights are bright for following traffic. ..,.

50 Clear vis ion
@ Tips
- The light sensor* for headlight control is
located in the rear view m irror mount.
You should therefore not apply any st ick­
ers to the windsh ield in this area in order
to prevent malfunctions or failures.
- Some exterior lighting functions can be
adjusted
c> page 50.
- When you remove your key from the igni­
tion while the vehicle's lights are turned
on, a buzzer sounds as long as the driv­
er's door is open .
- In cool or damp weather, the ins ide of
the headlights, turn signals and tail lights can fog over due to the tempera­
ture difference between the inside and
outside. They will clea r shor tly after
switching them on. This does not affect
the service life of the lighting.
- In the even t of a light sensor malfunc­
tion, the driver is no tified in the instru­
ment cluster disp lay¢
page 22.
Turn signals and high beam lever
The lever operates the turn signals, the high
beams and the headlight flasher .
Fig. 44 Tu rn s ig na l and hig h beam lever
Turn sign als ¢i ¢
The turn signals activate when you move the
l ever into a turn s ignal pos ition when the ign i­
tion is switched on.
(D -right turn signal
@-left tur n signa l
The turn s ignal blinks three times if you just
tap the lever .
High be ams and headlight flasher [D
Move the lever to the correspon ding posit io n:
@ -high beams on
@ -high beams off or headlight flasher
The indicator light
ii in the instrument cl us­
te r turns on .
Notes on thes e features
-The turn signals on ly wor k w ith the ignition
t ur ned on. The indicator ligh ts
Ct or a in
the instrument cluster also blink.
- After you have turned a co rner, the turn s ig ­
na l switches off au toma tically .
- The
high beam works on ly w hen the head­
lights a re on. The ind icator ligh t
II in the
instrument cluster illuminates when the
high beams are on .
- The
headlight flasher works o nly as long as
you ho ld the lever -even if there a re no
lights switched on . The indicator light
II in
the instrument cluster illuminates when you
use the headlight flasher.
A WARNING
--
Do not use the h igh beam or headlight
flasher if you know that these could blind
oncom ing traffic.
Adjusting exterior lighting
The functions ore selected in the radio or
MMI" .
.,. Select: !CARI function button> Exte rior
light ing .
Or
.,. Select: !CARI function button > Car systems *
control button > Vehicle s etting s> Exterior
lighting .
Coming home (light when leav ing car }*,
Leav ing home (light when unlocking car )*
The coming home function illuminates the
area around the vehicle when the ignition is
switched off and th e dr ive r's door is open ed.
Depend ing on veh icle equ ipment, the function
can be switched on and off or the length of
time the lig hts remain on* can be ad justed . ..,.

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Rear window sun shade
Applies to vehicles: with rear window s un shade
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Fig. 53 W ith MMI : Button for re ar window sun shade
Fig . 54 W ithout MMI: B utto n for rear wi ndow s un
s hade
.. To extend/retract the sun shade, press the
rn button ~ fig. 53 or ~ fig. 54.
You can adjust the settings for the rear sun
shade so the shade ret racts automat ically
when you se lect the reve rse gear. To do this,
selec t the
!CARI function button> Window s>
R ear blind > automati c> on
or ICAR I fu nction
button >
Car systems * contro l button > Vehi­
cle setting s > Autom atic rear blind
> On. The
current setting is automatically stored and as­
signed to the remote key. The sun shade is ex­
tended again as soon as the vehicle is travel­
ing forward at a speed greater than 9 mph
(15 km/h) if the ign ition has not been switch­
ed off in the meant ime .
A WARNING
When lowe ring or raising the sunshade,
ma ke s ure t he re is no thing in i ts way and
t ha t it has a free path to trave l. This could
cause persona l injury .
Clear vi sion 55
@ Tips
- Pressing the button rn severa l t imes
consecutive ly can trigger t he over load
protect ion. The sun shade can only be ex­
tended/retracted aga in after a brief wait­
ing period.
- The rear window sun shade only func­
tions when the vehicle interior is warmer
than
14°F (-10°() .
Wiper and washer
system
Switching the windshield wipers on
F ig . 55 W indshiel d wiper lever
Fig . 56 all road: Rear wiper ac tu ati on
0 0 N
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Move t he windshie ld w iper lever to the co rre­
sponding posi tion:
@ -Windshield wiper off
G)-Interval mode. To ex tend/shorten the
wiper intervals, move the switch @to the
left/r ight. In vehicles w it h a rai n sensor* the
wipe rs turn on in the rain once the vehicle
speed ex ceeds approxima tely 2 mph (4 km/h) .
T he hig her the sens it iv ity of the r ain sensor * is
set (switch @to the right), the earlier the
windshield wipers react to moisture on the
w indshield. In some models, you can switch ..,.

56 Clear vis ion
rain sensor mode off and switch intermittent
mode on in the MMI*. Se lect:
I CAR ! function
button
> C ar sys tem s* contro l button > Dri ver
assi st> Rain s enso r.
In interm ittent mode,
you can adjust the interval time using the ®
switch .
@-Slow wiping
@-Fas t wiping
© -Sing le w ipe
® -Clean the windshield . To eliminate water
drop lets, the w indshield wiper performs one
afterwipe operation after several seconds
while driv ing . You can switch th is fu nction off
by mov ing the lever to position ® within 10
seconds of the afte rwipe operation . The after­
wipe func tion is reactiva ted the next time the
ignition is switched on.
a llroad: The rear w iper automatically switches
on when the reve rse gear is engaged and the
front w indshield w ipers are on and in opera­
tion .
C lean ing the headlights*. The headlight wash­
e r system* opera tes on ly when the headl ights
a re on. If you move the leve r to pos ition @,
the head lights are washed in intervals.
@ -allroad : Wipe the rear window. The rear
wiper moves about every 4 seconds.
(J) -allroad : Clean the rear window . The num­
ber of wiping operations depends on how long
the lever is held in pos ition
(J) .
_& WARNING
- T he ra in sensor is only inte nded to assist
the drive r. The driver is still responsible
for man ually switching the wipers on ac­
cording to the v isibility conditions .
- T he windshie ld may not be treated w ith
water-repe lling windshie ld coating
agents . Unfavorable conditions, such as
wetness, darkness, low sun, can res ult in
increased glare. Wiper blade chatter is
also possible .
- Proper ly functioning windshie ld w iper
blades are required for a clear view and safe driving
I:!) page 57, Replacing
windshield wiper blades.
@ Note
- In the case of frost, check whethe r the
windshield wiper blades are frozen to
the windshield. Sw itching on the wind­
shield wipers can damage the wiper
blades!
- Pr ior to us ing a car wash, the w indshield
w iper system must be sw itched off ( lever
in posit ion @). Th is he lps to prevent un­
intentional switching on and damage to
the windsh ield wiper system .
@ Tips
-The windshie ld wipers are switched off
when the ignit ion is turned off. Act ivate
the winds hield wipers after the ignition
is switched back on by moving the wind­
shield w iper lever to any position.
- Worn or d irty windshield wiper b lades
result in st reaking. This can affect the
rain sensor* function. Check your wind­
shield w ipe r blades regularly.
- The washer fluid nozz les of t he wind­
shield w asher system a re heated at low
temperat ures when the igni tion is on.
- When stopping tempo rarily, (e .g. at a
t raffic light) the set speed o f the wind­
shield wipers is automatically reduced by
one speed.
· Cleaning windshield wiper blades
Clean the windshie ld w iper b lades when they
begin to leave streaks. Use a soft cloth and
glass cle aner to clea n the windshield wiper
blades .
Front wip er
.. Place the windshie ld wiper arms in the serv­
ice pos it ion. Refer to
c> page 5 7.
.. Lift the wiper arm away from the fron t win-
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