2017 AUDI A3 SEDAN light

Cockpit over view
(D LC). The DLC is located to the rig ht o f the hood
release
¢ fig. 19 .
Your author ized Audi dealer or a qualified service
s ta tion can interpret the code and perform the
necessary repair.
A WARNING
Do not use the diagnostic connector for per­
sonal use. Incorrect usage can cause malfunc­
tions, which can increase the risk of a colli­
sion!
Indicator Lights
Description
The indica to r lights in the inst rument cluste r
blink or t urn on. They indicate funct ions or ma l­
functions .
-
Messages may appea r wi th some indi cato r lights.
A wa rning signal w ill so und at the same time.
The indicator ligh ts and messages in the instru ­
ment cluster display can be covered by other dis­
p lays. Yo u can have these displayed again in the
drive r information system by opening the second
Veh icle tab (messages) using the
l <1 ~ I button on
the multifunction steering wheel. If there are
several malfunctions, you can d isplay them one
at a time us ing the thumbwhee l.
Some ind icator lights in the display can display in
several colors .
& Central indicator light
If the. or mi indicator light turns on, check
the instrument cluster display for more info rma­
tion .
App lies to: ve hicles w ith monochro me display
If a message appears together with a central in­
d icator light . or
Q. the central indicato r ligh t
will ind icate the prior ity of t he war ning . If a
whi te indicato r light also appears, the cent ral in ­
d ica tor light will have its own co lor. For e xamp le,
ir ii :ippears together w ith . , read the descrip­
tion
for •.
24
'Overview
Some indicator lights t urn on b riefly as a f unction
c h eck when you switch the ignition on. These sys­
tems are marked wi th
a ,/ in the fo llow ing tab les .
If one of these indicator lights does not turn on,
there is a malfunctio n in that system .
Red indicator light s
--------------
Central indicator light
¢ page 24,
Audi pre sense *
¢page 134
USA model s:
Brake system ./
¢ page 27
Canada models:
Brake system ,/
¢page 27
USA models:
Electromechanical parking brake
¢ page28
Canada model s:
E lectromechanical parking brake
¢ page28
Coo ling system
¢ page28
Engine o il press ure
¢ page29
Alternator
¢page29
Safety be lt
¢ page30
Electromechanical steering ./
¢ page 154
Steering lock
¢page 30
Engine stop w hile driving
¢ page 30
Tr ansmission
¢ page 91
Hood
¢page30

CXl CXl .... N ,.__
N .... 0 N > 00
Adaptive cr uise control*
¢ page 128
e-tron: system warning *
¢page98
e- tron: charg ing system*
¢ page 117
Yellow indicator lights
--------------
Cent ral indicato r light
¢page 24,
Brake booster*
¢page27
Ele ct ronic Stabi lization Con trol
( E SC)
./
¢ page 31
Electronic Stabilization Control
(ESC)
./
¢ pag e 31
Elect ronic Stabilization Control
(ESC)
opage 151
USA models:
Anti-loc k bra king system (ABS) ./
¢page 31
Canada models :
Anti-lock bra king system (A BS)./
¢ page 31
Safety systems ./
¢page29
USA models:
Brake pads
. , ¢page31
Canada models :
Brake pads
¢page31
Ele ctr omech anical pa rk ing bra ke
¢ page28
Hill hold ass ist
¢ page 31
Tire press ure*
¢ page344
Cockpit o verview
Tire p ressure*
¢ page 344
Engine contro l*
¢ page 31
Engine co ntro l*
¢ page 31
Malfunc tion indica to r l amp (M IL)
./
¢ page 31
En gine speed limitation*
¢page 31
En gine o il level (MIN)
¢ page 32
En gine o il sensor
¢ page 32
Battery charge
¢page 29
Tank system
¢page 32
Washer f lu id level
¢ page 32
Windsh ie ld w ipers
¢ page 32
Remo te contro l key*
¢ page 80
D river 's doo r*
¢ page 32
Battery i n remote control key
¢ page35
Bu lb fa ilure indicator*
¢ page 33
Head light range control system
¢ page 33
Adaptive light *
¢page 33
Lig ht/rain senso r*
¢page 33
Transmission
¢ page 91
Stee ring lock
¢ page 30
25

Cockpit over view
(~
Engine start system
¢ page30
Electromecha nical steer ing
¢ page 154
Suspension control*
¢page33
Power top*
¢page46
Active lane assist*
¢page 137
Side assist*
¢ page 143
pre sense *
¢page 136
e-tron: system warning*
¢ page98
*e-tron : driving power*
¢ page 98, ¢ page 105
e-tron: vehicle sound *
¢page98
e-tron: charging system *
¢page 117
Other indi cator lights
26
--------------
T u rn signa ls
¢ page33
USA models :
Cruise control system*
¢page 123
Canada models :
Cruise control system*
¢page 123
Ad apti ve cr uise control *
¢page 128
Adapt ive cr uise control*
¢ page 128
Adapt ive cr uise control*
¢ pag e 128 Adaptive c
ruise cont ro l*
¢ page 129
Active lane assist*
¢ page 137
Start/Stop system*
¢ page 81
Start/Stop system *
¢page 81
C onvenience key*
¢ page 81
E ngine sta rt system
¢ page30
Transmission
¢page 91
USA models:
Electromechanical parking brake
¢page28
Canada model s:
Electromechanical pa rking brake
¢ page28
Electromechanical parking brake
¢ page 28
Hill ho ld assist
¢ page 31
USA models:
Speed warning system*
¢page 123
Canada models:
Speed warning system*
¢page 12 3
USA models:
Cruise control system *
¢page 123
Canada model s:
Cruise cont ro l system*
¢ page 123
Adaptive cruise contro l*
¢ page 12 9
Adaptive c ruise contro l*
¢ page 129
Active lane assist*
¢ page 137

CXl CXl .... N ,.__
N .... 0 N > 00
D
'
AC ,-..._,
Side assist*
c:>page 143
pre sense*
c:>page 136
High beam assistant*
c:> page 52
High beams
c:> poge 52
e-tron: electric d rive ready mode*
c:> page 100
e-tron: electric drive ready mode*
c::> page98
e-tron: charg ing system*
c:> page 117
e-tron: charg ing system*
c:> page 117
e-tron: gasoline engine*
c:> page 100
e-t ron: tank sys tem*
c:> poge 105
e-tron: charg ing system*
c:> page 117
BRAKE/C CD) Brake system
If this ind icator light tu rns on, there is a malfunc­
tion in the brake system.
1111 ( USA models ) /. (Canada mod els )
Please stop vehicle and check brake fluid le vel!
Stop the veh icle and check the brake f luid level.
See an au thori zed Aud i dealer o r aut ho rized Aud i
Service Facility for assistance if necessary .
1111 (USA model s) /. (Cana da model s)
Warning! No brake boo ster
If the brake booster is not working, you have to
use much more force when braking the vehicle.
See an autho rized Aud i dealer o r autho rized Aud i
Service Fac ility for ass istance.
1111 ( U SA mod els ) /. (Canada mod els )
Brake s: malfunction ! Pl ease stop v ehicle safely
Coc kpit o ve rv iew
If the indicator light turns on and this message
appears, there is a ma lfunction in the brake
booster .
If the ABS ind icator light rJlm (USA models) /
[iJ (Canada models), the ESC ind icator light Bl
and the brake system indicator light 1111 (USA
models)
/ . (Canada models) all turn on and
th is message appears, then the ABS, ESC and
braking d istribution are malfunctioning
c:> .&. .
Do not continue driving. See an authorized Audi
dealer or authorized A udi Service Fac ility for as­
s istance
c:> .&. .
1111 (USA model s) /. (Canada mo del s) Park­
ing b rake sy stem f ault! See owner 's manual
- I f the ind icator lig ht and the message appea r
when the vehicle is stationary or after switch­
ing the ignition on ,
check if you can release the
parking brake . If you cannot release the park­
ing brake, see an author ized Audi dealer or au­
thori zed Audi Service Fac ility.
If you can release
the parking brake and the message st ill ap­
pears, see an author ized Audi dealer or author­
ized Aud i Serv ice Fac ility immediately to have
the malfu nction corrected .
- If the ind icator light and message appear
whi le
driving ,
the hill s tart ass ist or emergency brak­
ing function may be ma lf u nctioni ng.
It may not
be possible to set the par kin g b rake o r rele ase
it once i t has been set . Do no t park yo ur vehicle
on hills . See an a utho rized Audi dea le r or a u­
thorized A udi Service Facility for assistance.
Brake boo ster : limited functionality . You can
continue driving. Plea se cont act S ervi ce
T he re is a malfunct ion in the b rake booster . The
brake booste r is ava ilable, but its effective ness is
r ed uced. Bra king behavior may be different from
how it normally f unct ions and the br ake pedal
may vibrate .
D rive to an authorized A udi dealer or autho rized
A udi Se rvice Fac ility immed iate ly to h ave the
malfunction correc ted.
App lies to : vehicles wi th plug-in hyb rid drive
Brake booster: d eactivated . See owner's manual .,.
27

Cockpit over view
The brake booster remains active for a br ief peri­
od of time after switching off the ignition. To se­
cure the vehicle from ro lling away, move these­
lector lever in the P position or set the parking
brake.
A WARNING
- Read and follow the warnings in
¢ page 316, Working in the engine com­
partment
before open ing the hood and
check ing the b rake fl uid level.
- If the bra ke system indicator light does not
tu rn off o r it t urns on while driv ing, the
bra ke fluid level in the reservoir is too low ,
and this inc reases the risk of an acc iden t.
Stop the vehicle and do not continue dr iv ­
ing. See an authorized Audi dealer or au­
tho rized Audi Service Facility for ass istance .
- If the bra ke sys tem indicator light turns on
together with the ABS and ESC indicator
lights, the ABS/ESC regulating function may
be malfunctioning. Functions that stabilize
the vehicle are no longer ava ilable. This
could cause the rear of the ve hicle to
swerve, which increases the risk that the ve­ hicle will slide . Do not continue driving . See
an aut ho rize d Aud i dea le r o r authori zed
Audi Service Facility for assistance .
PARK!<®)/ ~ Electromechanical parking
brake
If the -(USA models) I . (Canada models)
indicator light t urns on, the park ing brake was
set.
I f the
-(USA models)/ . (Canada mode ls) in ­
dicator light blinks, the braking fo rc e is not b uild­
ing up enoug h or not b uilding up at all. Select the
P selector lever position to help secure the vehi­
cle. Make sure the indicator lig ht is off before you
s tart dr iv ing .
There is a mal function in the park ing brake. Dr ive
to an author ized Audi dealer or author ized Audi
Serv ice Facility immediately to have the malfunc­
tion corrected .
1'11j1j;j:lj :j;fj~~ (USA models ) / DJ (Can ada mod­
els ) Par king brake auto release unava ilable
28
If this message appears, press the brake pedal
first and then release the parking brake.
1!1Jj1J;j:lj :J;f:U~ (USA model s) I DJ (Canada mod ­
els) C aution: Vehicle parked too steep
If the indica to r li gh t blin ks and the message ap­
pears, there is not enoug h braking powe r to se­
cu re the ve hicl e. Th e b rakes have ove rheate d. The
vehicle could roll away even o n a small in cli ne .
l91j;l1;j:lj :);f:U~ ( USA model s) / DJ (Canada mod­
el s) Parking brake is applied
If this message appears, press the brake peda l
first and then release the parking brake if neces­
sa ry .
(D Tips
For additional informat ion on t he parking
brake, see
¢ page 83.
-L Cooling system
• Switch off engine and check coolant level!
See owner's manual
• S top vehicle and ch eck coolant le vel! See
owner's manual
The coolant level is too low .
Do not continue driving and switch the engine
off. Ch eck the coolant level ¢
page 323 .
Plug -in hybrid d rive*: See ¢ page 10 4.
- If the coo lant level is too low, add coolant
¢
page 323 . Only continue dr iving once the in­
dicator light turns off.
• Coolant temperature too high! L et engine
run with vehicle stationary
Let the engine ru n at idle for a few minutes to
cool off , until the indicator lig ht turns off .
-If the indicator light does not turn off , do not
cont inue driving the veh icle. See an authori zed
Audi dea le r or authori zed Audi Service Facility
for assistance.
.,,.

A WARNING 1=
- Never open the hood if you can see or hear
steam or coolant escap ing from the engine
compartment. This increases the risk of
burns . Wa it until you no longer see or hea r
steam o r coolant escap ing .
- The e ngine compartment in any veh icle can
be a dangerous area. Stop the eng ine and
allow it to cool before wo rking in the engine
c ompar tment. A lways fo llow the informa­
t ion found in
r=:> page 316, Working in the
engine comportment .
(D Note
Do not co nti nu e d riving if t he . ind icator
light t urns o n as this increases the risk of en­
gine damage .
~ Engine oil pressure
• Switch off engine! Oil pre ssure too low
Stop the eng ine and do not continue driving.
Check the engine oil leve l r=:> page 321.
-If the engine oil level is too low, add engine o il
r=:> page 319. Only cont inue dr iv ing o nce the in­
dicato r light turn s off.
- If the engine oil level is correct and the indica­
tor light st ill tur ns on, turn the eng ine off and
do not con tinue driving. See an a utho rized Aud i
dealer or author ized A udi Service Facility for as ­
sistance .
(D Tips
The oil pressure w arning is not an o il level in­
dicator. Always check the oil level regu la rly.
0 Generator/Vehicle battery
• Ele ctrical system: malfunction! B atter y is
not being charged
There is a malfunction in the alternator or the ve­
h icle electrical system .
cc Drive to an authorized Aud i dea le r or a uthorized CXl
~ Aud i Service Fac ility immediately . Tur n off all u n-
~ necessary electr ica l equipment because it w ill 0
~ drain the battery. See an authorized Audi dealer 00
Cockpit o ve rv iew
or authorized Audi Service Facility if the battery
charge level is too low.
(•] Electri cal sy stem: malfun ction! Re start not
po ssible. Plea se cont act Servi ce
T he vehicle battery was disconnected from the
vehicle e lectr ica l system and will no longer
c h arge. Dr ive to an a uthorized Aud i dea ler or au­
thorized Audi Serv ice Facili ty immedia tely.
Do not stop t he eng ine, o r you w ill not be ab le to
sta rt it again.
If you can no longer start the en­
gine, see an a uth o rized Aud i dea ler or authori zed
A udi Service Facility for assis tance .
(•j Electrical system: malfunction! Plea se con­
tac t Service
Drive to an authorized Audi dealer or authorized
Audi Se rvice Facility immed iately. Because the ve­
hicle battery is discharging, tu rn off a ll unneces­
sa ry elect rical eq uipment such as the rad io. See
an a uth orized Aud i dea le r or a uth orized Aud i
Service Facility if the batte ry charge leve l is too
l ow .
(•] Electrical system: low battery charge . Bat­
tery will be charged while driving
T he starting ab ility may be impa ired .
If this message t urns off after a little whi le, the
vehicle battery charged enough while driving.
If the message does not turn off, have an author ­
ized Audi dea ler or authorized Audi Service Facili ­
ty repair the malfunction .
!f Safety systems
The fll indicator light monitors the safety sys­
tems .
If the
fll ind icator light turns on or blinks, there
is a ma lfunction in a safety system .
Drive to an authorized A udi dealer or authorized
Audi Se rvice Facility immediate ly to have the
malfunction corrected.
.,,.
29

Cockpit over view
A WARNING
Have the safety systems i nspected immed i­
ately . Otherw ise, there is a risk that the sys ­
tems may not activate during a collision,
wh ich increases the risk of serious injury or
death.
~ Safety belt
The . indicator light stays on unti l the d rive r's
and fron t passenger's safety be lts are buckled .
Above a certain speed, there will also be a wa rn ­
ing tone.
(D Tips
For add it iona l information on safety be lts ,
see
~ page 258.
@ -Steering lock
• Do not d rive vehicle: steering defecti ve
There is a malfunc tion in the elect ronic stee ring
loc k. You ca nnot t urn the ignition on .
D o
not tow your veh icle because it cannot be
steered . See an authorized A udi dealer or au tho r­
i z ed A udi Servi ce Fa cili ty for assistance.
1;11 Steering lock: sy stem fault! Pleas e contact
Servic e
There is a malfunction in the elec tronic steering
lock .
Drive to an a uthor ized Audi dea ler or authori zed
Aud i Serv ice Fa cili ty immediately to have the
malfunct io n corrected.
A WARNING
Do not tow your veh icle when there is a mal ­
function in the electronic stee ring lock
-this
increases the risk of an accident.
....e Engine start system
M ·I t-:ngin e start system ma lfun ction! Plea se
c ontact Servic e
Do not switch the ignit ion off because you may
not be able to switc h it o n aga in .
30
Drive to an au thorized A udi dealer or authori zed
Audi Se rvice Facility immediate ly to have the
malfunction corrected.
IIJ Engine s tart system malfunction! Plea se
contact Service
There is a ma lf u nction in the engine sta rting sys­
tem.
Drive to an authorized Audi dealer or authorized
Audi Se rvice Facility immed iate ly to have the
malfunction corrected .
~ Engine stop while driving
• Engine stopped: brake servo and power
steering not po ssible
There is a ma lfunction in the engine or in t he fuel
s u pp ly system.
More force is needed to steer and brake the mov ­
i ng vehicle whe n the engi ne is stopped . If the ve­
hicle is rolling, t ry to bring it to a stop off to the
s ide from moving traffic. See an author ized Audi
dealer or authori zed A udi Service Fac ility for as ­
s istance .
A WARNING -
If the engine stops while driving, you will
need to use more force to brake the vehicle.
This increases the risk of an acc ident . There
will still be powe r steering if the ignition is
switched on while the vehicle is ro lling and
there is suff ic ient veh icle battery charge . Oth ­
e rw ise, you must use greate r force when
steering .
c:::::::> Hood
• Warning! Hood i s no t lo cked. Stop vehicle
and che ck the lo ck
If the indicator light turns on and the message
appears , the hood lock ing mechan ism is not en­
gaged co rrectly .
Stop immediately and close the hood
~ page 318 .

CXl CXl .... N r--­N .... 0 N > 00
!;.!~ Electronic Stabilization Control (ESC)
If th€: G1 indicato r ligh t blink s w hile d riving, the
E SC or ASR (Anti-S lip Reg ulation) is active ly reg u­
l at ing .
I f
the: GJ indicator light turns on, the system has
sw itched the ESC off. In this case , you can switc h
the ign ition off and then o n to switch the ESC on
again. The indicator light turns off when the sys ­
tem is functioning fully .
I f the
II indicato r ligh t turns on, ESC was
sw itched off using the
!.$ m l button i=:> page 151.
Stabilization control (ES C/ ABS) : malfunction!
Se e owner's manual
If the: G1 ind icator light and t he ~ (USA mod­
els)/ 11] (Canada models) ABS indicator light turn
on and the message appears, there is a malfunc­
tion in the ABS or the elect ronic differential lock .
This a lso ca uses the ESC to malfunct io n. The
b rakes s till f unct io n w it h thei r norma l powe r, but
ABS is not act ive.
D rive to an autho rized Aud i dea le r or a uthorized
Aud i Servi ce Faci lity immediately to have the
malfunct ion corrected .
For addit ional information on ESC and ABS,
see
¢ page 151.
~,t:ri /BRAKE WEAR/ (0: Brake pads
l,IJ1 :j;t!31WtJ ;j ( USA models )/riJ (Canad a mod­
el s) Brake pads !
The brake pads are wo rn.
Drive to an authorized Aud i dea ler or authorized
Aud i Service Facility immediately to have the
b rake pads c hecked .
·~ Hill hold assist
II Hill hold a ssist : unavailable
When th is message appears, h ill hold assist is
n ot available .
ii Manual control!
Cockpit o ve rv iew
If this message appears , press the b rake p eda l.
Continue driving with the he lp of th e parking
brake
¢ pag e 83.
~ Engine control
II Drive system: malfunction! Please contact
Serv ice
If the II indicator light turns on if ther e is a mal­
funct ion in the engine control.
Drive slowly to an a uthorized Audi dea ler or a u­
t h orized Audi Service Facility to have the engine
c h ecked .
EPC Engine control
Applies to : vehicles with gasoline engines
If the ~ indicato r light t urns on if there is a
malfunction in the engine cont rol.
Drive slowly to an a uthori zed Audi dea ler or a u­
thori zed Audi Serv ice Facility to have t he engine
checked.
o Malfunction indicator lamp (MIL)
T he ma lfunction ind icator lamp (MIL) is p art of
the On Board D iagnost ic system (OBD II) . The
¢4 c;ymbol tu rns on when the igni tion is sw itched
o n and turns off aga in once the engine is started
and ru nning at a steady idle speed. This indica tes
t h at the MIL is f unct ion ing cor rec tly.
T he ind icator light tu rns o n if there is a malfu nc­
t ion in the engine electronics . See an author ized
A udi dealer or authori zed A udi Se rvice Fa cility to
have t he mal func tion cor rected . Fo r addi tional
information, see
i=:> page 23.
The ind icator light can a lso tu rn o n if the fuel fill­
er cap is not closed correc tly
i=:> page 314 .
!?) Engine speed limitation
Applies to: vehicles wi th engine speed limitation
(Pl Maximum engine speed : XXXX rpm
The eng ine speed is automatically limited to the
speed displayed in the inst rument cl uste r. This
pro te cts the engine from ove rheating .
31