2015 AUDI A3 CABRIOLET warning lights

12 Instrum ent s and indicator lamp s
Fuel level
The display @
c;, page 10, fig. 3 only works
when the ignition is sw itched on . When the
d isplay has reached the reserve mark, the bot­
tom LED wi ll turn red and the
tD indicator
light turns on¢
page 23 . The bottom LED
blinks red when the fue l level is very low .
The on -board computer shows the range
based on the fuel leve l
c;, page 2 7, On-board
computer display.
F or the tank capac ity in yo ur vehicle , refer to
the Tec hnical Data ¢
page 280.
CJ) Note
Never d rive until the tank is completely
empty. The irregular supp ly of fuel that re­
sults from that can cause the engine to
misfire. Uncombusted f uel will then enter
the exha ust system. This can cause over­
heating and damage to the catalytic con­
verter .
Coolant temperature indicator
The coolant temperature ind icator @
c::> page 10, fig . 3 only works when the ignition
is switched on . T o prevent engine damage, ob­
serve the fo llow ing notes about the tempe ra­
ture ranges.
Cold range
If only the LEDs at the bottom of the gauge
turn on, the engine has not reached operat ing
temperature yet . Avoid high engine speeds,
fu ll acce le rat ing and heavy engine loads.
Norm al range
The engine has reached its operating temper­
ature once the LEDs up to the center of the
gauge turn on under normal driving condi­
tions. The L EDs higher up may turn on if the
engine is under heavy load or the o uts ide tem­
perat ure is h igh. This is not a cause for con­
cern as long as the. indicator light in the
display does not t urn on. Hot range
If the L
EDs in the upper area of the d isp lay
and the. indicator light in the instrumen t
cluster disp lay t urn on, the coo lant tempe ra­
ture is too high
c::> poge 19.
A WARNING
-Always observe the warning in
c;, page 214 before opening the hood
and checking the engine coolant level.
- Never open the eng ine hood if you see or
hear steam, or if you see engine coo lant
dripping from the engine compartment .
You could burn yourself. Let the engi ne
coo l off first until you can no longe r see
or hea r steam or coolant escaping.
([) Note
- Add itiona l headlights and other compo ­
ne nts in front of the a ir intake impairs
the cooling eff ect of the coolant. This in­
creases the risk of the engine over heat ­
ing dur ing high outs ide temper atures
and heavy eng ine load .
- The front spoiler also he lps to distr ibute
cooling air correct ly wh ile driving.
If the
spoiler is damaged, the coo ling effect
wi ll be impai red and the risk of the en­
gine overheating will increase. See an au­
thorized Audi dealer o r authorized Aud i
Service Facility for ass istance.

14 Instruments and indicator lamps
@ Message
© Status line:
-• I U Central indicator light or addi­
tional displays of active systems such as
- • (USA models)/ . (Canada models)
El ectronic parking brake
-• (USA models)/
Iii (Canada models)
Cruise control system*
- • I. active lane assist*
The
central indicator light© • or I'll also
turns on with some indicator lights @.
If the centra l indicator light © turns on, pay
attention to the additional information in the
instrument cluster display @and @.
In addition to the indicator lights in the dis­
p lay, there are others located inside the tach­
ometer and the speedometer. They blink or
turn on to display additional funct ions or mal­
functions. Messages@ may also appear brief­
ly with some indicator lights. A warning tone
sounds at the same time .
If there is more than one malfunction, the in­
d icator lights will turn on one after the other
for a short time.
The indicator lights and messages in the dis­
p lay can be replaced by other displays. If the
indicator light@ is rep laced, the central indi­
cator light © remains on until the malfunc­
tion is corrected.
The messages can be displayed again in the
driver information system
<=>page 27, Oper­
ation.
Overview
Some indicator lights turn on briefly as a func­
tion check when you switch the ignition on.
These systems are marked with a./ in the fol­
l owing tab les. If one of these indicator lights
does not turn on, there is a ma lfunction in
that system .
Depending on the vehicle equ ipment, your ve­
hicle has either a monochrome or mu ltico lor
display in the instrument cluster. In a mono­
chrome display, the indicator lights@only appear
in white
<=>page 13, fig. 8. The cent ral
indicator light@• /
mi also turns on to in­
dicate the pr iority of these indicator lights.
Refer to the explanations for red or yellow in­
dicator lights.
Examples of indicator light displays in a mon­
ochrome display:
111 @ Priority 1 (high priority)
. © see red
indicator lights
m@ Priority 2 (medium priority)
I'll©
see yellow indicator lights
ml@ Priority 3 (low pr iority)
these are informative indicator
-- © lights
Red indicator lights
or
-------------
Centra
l indicator light (pay at-
tention to the additional infor­ mat ion in the instrument cluster
disp lay) ©<=>
page 13, fig . 8
USA models :
Brake malfunction ./
<=>page 18
Canada models:
Brake malfunction./
<=>page 18
USA models :
Electromechanical parking brake
<=>page 19
Canada models :
Electromechanical parking brake
<=>page 19
Coo ling system r=> page 19

M N
" > co ,...., \!) 1.1'1 ,...., 1.1'1 ,....,
or
or
or
or
or Engine start system
¢
page 21
Convenience key
¢page Bl
Convenience key
¢page BO
Battery in remote control key
¢page 33
Defective light bulb warning
¢ page24
Headlight range control system*
¢ page 24
adaptive light*
¢ page24
Instruments and indicator lamps 17
or
/:
or Light/rain
sensor*
¢page24
Active lane assist*
¢page 100
Transmission
¢page 116
Other indicator lights
-------------
Turn signals
¢page25
USA models: Cruise control sys ­
tem*
¢ page BS
Canada models : Cruise control
system*
¢page BS
Adapt ive cru ise control*
¢ page89
Adaptive cruise control* ¢page89
Adaptive cruise control* ¢page89
Active lane assist*
¢page 100
High beams
¢ page 51
Conven ience key
¢page 80
Electromechanical parking brake
¢ page 19
Adapt ive cru ise control*
¢page89
•

18 Instruments and indicator lamps
Active lane assist*
¢ page 100
Audi side assist*
¢page 105
Transmission
¢ page 116
USA model s:
Electromechanical parking brake
¢ page 19
Canada model s:
Electromechanical parking bra ke
¢page 19
BRAKE/((i)) Brake system
If this indicator light tu rns on, there is a mal­
function in the brake system.
• (USA models) , • (Canada models)
Please stop vehicle and check brake fluid lev­
el!
Stop the vehicle and check the brake fluid lev­
e l. See an a uthorized Audi dea le r or author ­
ized Audi Service Facility for assistance if nec­
essary.
• (USA models) , • (Canada models)
Warning! Brake servo inoperative!
If the b rake assist (bra ke booste r) is not wo rk­
in g, you must use press the brake pedal hard­
e r to brake. See an authorized Aud i dealer or
authorized Audi Serv ice Facility fo r ass istance.
• (USA models) , • (Canada models )
Warning! Fault in brake sy stem . Please con­
tact Service
If the ABS indicator light (;I (USA models) /
KO) (Canada models), the ESC ind icator
light
Jil and the brake system indicator
light . (USA models)/ . (Canada models)
turn on and this message appears, the ABS,
ESC and braking distrib ution are ma lf u nction­
ing ¢.&. .
Drive to your authorized Aud i dealer o r au­
thorized Audi Service Facility immediately to
have the ma lfunction corrected ¢.&. .
• (USA models) , • (Canada models)
Parking brake system fault! See owner's
manual
- If the ind icator light and the message ap­
pear
when the vehicle is stationary or after
switching the ignition on ,
check if you can
re lease the parking brake. If you cannot re­
lease the parking brake, see your authorized
Aud i dealer or authorized Audi Service Facili­
ty . If you can release the parking brake and
the message still appears, see an author ized
Aud i dea ler or a uthorized Audi Service Facili­
ty immediately to have the ma lfunction cor­
rected.
- If the ind icator lig ht and message appear
while driving , the hill start assist or emer­
gency braking function may be malf uncti on­
ing . It may not be possib le to set the park­
ing brake or release it once it has been set.
Do not park your vehicle on hills and see an
author ized Audi dealer or authorized A udi
Service Facility for assistance.
(USA mode ls) : I f the . and
liJ indicator
lights turn on together, take your vehicle to an
authorized Aud i dea ler or a uthorized Audi
Serv ice Facility immed iately to have the brake
pads inspected ¢
page 22.
There is also a warning tone when the lights
turn on.
A WARNING
-- Follow the warn ings on¢ page 214,
Working in the engine compartment
be­
fore opening the hood and check ing the
brake fluid level.
- If the brake system indicator light does
not turn off or it turns on while dr iving,
the brake fluid leve l in the reservo ir is
too low, and this increases the risk of an
accident. Stop the vehicle and do not
continue driving. See an authorized Aud i
dealer or authorized Aud i Service Facility
for assistance. ..,.

22 Instruments and indicator lamps
OFF also appears. You can turn the ESC on
again by press the
I~ O FF I button again.
The system switches on when the ignition is
switched on. The
fl indicator light turns off
when the system is functioning fully.
Stabilization control (ESC) malfunction! See
owner's manual
Stabilization control (ESC/ABS) malfunc­
tion! See owner's manual
ABS malfunction! See owner's manual
If the J..fd indicator light and the ABS indicator
light
ml (USA models)/ ii] (Canada models)
turn on and this message appears, there is a malfunction in the ABS system or electron ic
d ifferential lock. This also causes the ESC to
malfunction. The brakes still function with
their norma l power , but ABS is not active .
Drive to an authorized Aud i dea ler or author­
ized Audi Service Facility immediate ly to have
the malfunction corrected .
A WARNING
If the . (USA models) I. (Canada mod­
els) brake system indicato r light turns on
together with the ABS and ESC indicator
lights, the ABS/ESC regulating function
may have failed . Functions that stabilize
the vehicle are no longer avai lab le . This
could cause the vehicle to swerve, which
increases the risk that the vehicle will
slide. Drive carefully to the nearest author­
ized Aud i dealer or authorized Aud i Service
Facility and have the ma lfunction correct­
ed .
(D Tips
For addit ional information on ESC and
ABS, refer to<=:> page 188.
BRAKE/ {01 Brake pads
1111 (USA models ) / llJ (Canada models)
Brake pads!
l) - : USA mod els onl y
If the warning light illuminates, immediate ly
contact your authori zed Audi dealer or quali ­
fied workshop to have all brake pads inspect­
ed. Both sets of brake pads on an axle must
always be replaced at the same t ime.
A WARNING Co....- -
Driving with bad brakes can cause a colli­
sion and ser ious personal injury.
- If the warn ing light
llJ or the warning
light
llll1l with the message Brake
pads!
comes on in the instrument cluster
disp lay, immediately contact you r au­
thorized Audi dealer or qualified work­
shop to have all brake pads checked or
replaced if necessary.
' ·~ Hill hold
Hill hold assist: unavailable
If
the 111 ind icator light tu rns o n and this
message appears, hill hold is not available.
111 Manual control!
If this message appears, press the brake ped­
al.
Continue driving with the help of the parking
brake.
<=:> page 82
EPC Engine control (gasoline engine)
App lies to vehicles : wit h gasoli ne e ngi ne
If the (3i indicator light turns on there is a
malfunction in the engine control.
Drive slowly to your authorized Audi dea ler or
qualified repair facility to have the engine
checked.
If the (3i indicator light turns on when you
start the engine, there is an automatic start
malfunction . To start the engine, follow these
steps:
- Vehicles with a mechanical ignition
<=:> page 77, Automatic start malfunction

24 Instruments and indicator lamps
Drive to an authorized Audi dea le r o r author ­
ized Audi Service Facility immediate ly to have
the malfunction corrected.
@ For the sake of the environment
Fuel should never enter the sewer system
or come into contact with the ground.
@ Tips
More info rmation on refueling is available
on page
i:!>poge 211.
~ Washer fluid level
1- ) Please add washer fluid
Fill the washer fluid with the ign ition switched
off ¢
page 22 7.
6 Windshield wipers
m Windshield wiper: system fault!
There is a malfunct ion with the w indshield
wipers.
Drive to an authorized Aud i dealer or author­
ized Audi Service Facility immed iate ly to have
the ma lf uncti on corrected .
~ Defective light bulb warning
Applies to vehicles: with driver informatio n system
If the J:i indicator light turns on, a bulb has
failed. The message indicates the location of
the bulb .
Replace the bulb immed iately.
Vehicle lights: system fault!
There is a malfunction in the headlights or
light switch . Drive to an authorized Audi deal­
er or authorized Audi Service Facility immedi ­
ately to have the malfunction corrected.
A WARNING
-
- Light bulbs are under pressure and can
exp lode when bulbs are replaced -risk of
injury. -
With gas-discharge lamps* (xenon head­
lights), the high-voltage component
must be handled appropriately. Other­
wise, there is a risk of fatal injury .
i,ID Dynamic headlight range control
system
Applies to vehicles: with Xenon lights
II Headlight range control system: system
fault!
There is a malfunction in the dynamic head­
li ght range control system, which may cause
glare for other drivers.
Drive to an authorized Audi dealer or author ­
ized Audi Serv ice Facility immediately to have
the malfunction corrected.
go Audi adaptive light
Applies to vehicles: with Audi adaptive light
&fl Audi adaptive light: system fault!
There is a malfunction in the adapt ive lights .
The headlights still function .
Drive to an authori zed Audi dealer or author­
ized Audi Service Facility immediately to have
the malfunction corrected .
@:> Light/rain sensor
Applies to vehicles : with light/rain sensor
El Automatic hea dlights: system fault!
t!I Automatic wipers: system fault!
The light/rain sensor is not working.
For safety reasons, the low beams are turned
on permanently with the switch in
AUTO. You
can continue to turn the lights on and off us­
ing the light switch. You can still contro l all
wiper funct ions that are independent of the
rain sensor .
Drive to an authorized Audi dealer or author­
ized Audi Service Facility immediately to have
the malfunction corrected .

....,
N
r--. > co
rl I.O
"' rl
"' rl
Lights and Vision
Exterior Lighting
Switching lights on and off
Fig. 42 Instrument panel: lig ht switc h (example)
The headlights only work when the ignition is
switched on. The headlights turn off automat­ ically when the engine is switched on or when
the ignition is switched off. Only the side­ marker lights stay on .
A warning symbol will appear in the driver in­
formation display if the system is not func­
tioning correctly <=>
page 24.
Light switch ·'ti- ·
Turn the switch¢ fig. 42 to the corresponding
position . When the lights are switched on, the
respective symbol turns on.
0 -lights off. In some countries, the day time
running lights* are turned on and off together
with the ign ition.
- USA models: The daytime running lights
switch on automatically when the ignition is
switched on and the light switch¢
fig. 42 is
in the
O position or the AUTO position (on ly
in daylight). The
Daytime running lights
can be switched on and off in the MMI
¢ page 51 ¢ ,& .
-Canada models: The daytime running lights
switch on automatically when the ignition is
switched on and the light switch¢
fig. 42 is
in the
0, the :Do: or the AUTO position (only
in daylight) ¢
,&.
AUTO* • Automatic headlights switch on and
off depend ing on brightness, for example in
tw ilight, during rain or in tunnels. In vehicles Lights
and Vision 49
with integrated daytime running lights*, ei­
ther the daytime running lights or the head­
li ghts will turn on automat ically, depending
on the amount of light (may vary depending
on the country).
: Do : -Parking lights
iD -Low beam headlights
The following w ill happen in these light
switch positions when you lock the vehicle:
-io -Low beam: the entire exterior lights
sw itch off
- AUTO*: the Coming home* function is
turned on ¢
page 51
Fog lights*/rear fog light(s)
Press the corresponding button¢ fig. 42:
JO· Front fog lights* (not pictured). This but­
ton replaces the button for all-weather
lights
q;!D . When the fog lights are switched
on, the
JO symbol in the button illuminates.
0$ -Rear fog light(s) . When the rear fog lights
are switched on, the
0$ symbol in the button
illuminates.
All-weather lights*
apples to vehicles with LED headlights.
Press the corresponding button
<;?P c;, fig. 42
on the light switch.
~io -All-weather lights . The symbol <;;t,;D in the
button lights up when all-weather lights are
switched on.
In vehicles with all-weather lights, the front
lights are adjusted automatically so that you
are less likely to see glare from your own
headlights, for example when driving on a wet
road .
Headlight range control system
The head light range adjusts automatically
when there is a change in vehicle load and
during braking and accelerating so that the
headlights do not cause glare for oncoming
traff ic.

50 Lights an d Vi sion
Audi adapt ive light *
The adaptive light on ly functions when the
light switch is in the AU TO position. You can
deactivate adaptive light in the MMI
r::!.> poge
51 .
When switched on, adapt ive light adjusts to
curves depending on the vehicle speed and
steering wheel ang le . This provides better
lighting throug h the curve . The system oper ­
ates in a speed r ange from approximately
6 mph (10 km/h) to 68 mph (110 km/h).
Static co rnering light* (vehicles with adaptive
light) -the corn ering light switches on auto­
matica lly when the steering wheel is turned at
a certa in angle at speeds up to approximately
44 mph (70 km/h) and when the turn signal is
activated at speeds up to approximately
25 mph (40 km/h). The area to the s ide of the
vehicle is il luminated better when turning .
Speed dependent light distr ibution* -The
speed dependent light distribution adapts the
light in towns and on highways or express­
ways. Intersect ions can also be ill uminated on
ve hicl es w ith a navigation system *.
Highwa y light funct ion *
(Vehicles with adaptive light or L ED head ­
lights) -This function adapts the light ing for
h ighway driving based on vehicle speed .
_&. WARNING
-Automati c headlights* are only intended
to assist the dr iver . T hey do not re lieve
the drive r of responsibility to check the
head lights and to turn them on man ually
according to the current light and visibili­
ty conditions. For examp le, fog cannot
be detected by the light sensors. So al­
ways switch on the low beam under
these weather conditions and when driv­ ing in the dark
fD.
- Acc idents could occur if you cannot see
the road ahead of you well and if others
on the road cannot see you . A lways
swit ch you r headlights o n so that yo u can see the road ahead of you and others can
see your vehicle from beh
ind.
- Please observe legal regulations when
using the lighting systems described.
(D Note
The rear fog lights shou ld only be turned
on in accordance with t raffic regu lations,
to prevent glare for traffic behind your ve­ hicle.
(D Tips
- The light sensor for the automatic head ­
lights * is in the rea rview mir ror mount.
Therefore, do not place any stickers in
this area o n the windshield .
- Some functions of the exterior lighting
can be adjusted
c> page 51.
-If you tu rn off the ignition whi le the ex­
terior lights are on and open the door,
you will hear a warning tone.
- The tail lights do not sw itch on when the
daytime r unning lights switch on.
- In cool or damp weather, the inside of
the headlights, turn signals and tail
lights can fog over due to the tempera­
ture difference between the inside and
outside. They w ill clear shortly after
switching them on . This does not affect
the serv ice life of the lighting.
- A message w ill appea r in the i nstrument
cluster if there is a malfunction in the
light senso r
r::!.> page 24.
Emergency flasher
Fig . 4 3 Ins trume nt panel: e mergency f las her button
N
I