2011 AUDI A3 battery

Vehicle operation ...... 188
Inte lligent tec hno logy ....... . 188
Notice abou t da ta recorded by
vehicle control modules . . . . . . . . 188
Electronic Stab ili z ati on Program
(ESP) ................ ........ 188
Braking ...................... 191
E lec tro-mec hanic al power assist 193
Dr iving with your qua ttro ® ...... 194
Energy management ........ ... 194
D rivi ng a nd env iro nm ent ...... 197
T he firs t 1,000 miles (1,500 km)
and af terwa rds ............... 197
Catalytic converter ...... ... ... 1 98
Diesel part iculate filter ......... 199
Avoid damaging the veh ic le ..... 199
Opera te your veh ic le econom ically
and m inimize pollution . . . . . . . . . 200
Trailer towing ................. 202
Driving with a trailer . . . . . . . . . . . 202
Trailer towing tips . . . . . . . . . . . . . 204
Vehicle care .......... .... 206
Cleaning and protect ion .. ..... 206
G eneral informat ion . . . . . . . . . . . 206
Care of exterior . . . . . . . . . . . . . . . 206
Care of interior ........... ..... 213
F uel sup ply and filling y our fuel
tank ....... .............. ..... 219
Gasoline ..... ......... ....... 219
Diesel fuel . . . . . . . . . . . . . . . . . . . . 220
F u el tank . ... ......... ........ 221
Checking and filling ........... 225
Engine hood . . . . . . . . . . . . . . . . . . 225
E ngine compartment .......... 227
E ngi ne oil . . . . . . . . . . . . . . . . . . . . 228
Controls and equip­
ment Safety first
Engine
cooling sys tem . . . . . . . . . 234
Brake fl uid ................... 237
Battery . . . . . . . . . . . . . . . . . . . . . . 238
Windshield washer container . . . 243
T ires and whee ls .............. 245
T ires . . . . . . . . . . . . . . . . . . . . . . . . 245
Tire pressure monitoring system 264
Do-it-yourself service . 270
What do I do now? . . . . . . . . . . . 270
Jack, tools and spa re whee l . . . . . 270
Compac t spare wheel .......... 271
Wheel change ................ 272
Fuses a nd bul bs . . . . . . . . . . . . . . 281
E lec trica l fuses ............... 281
Bulbs ........................ 285
E merg ency si tuati ons . . . . . . . . . 286
G eneral . . . . . . . . . . . . . . . . . . . . . . 286
Starting by pushing or towing
Starting with jumper cables ....
General info rma tion of starting
assistance .................. .
Us e of j umper cab les ......... .
Emergency tow ing w ith
comme rcial tow truck ........ .
Lif ting the vehic le ............ .
Technical data
General in formatn on
Explanation of technical data .. .
Vehicle identification ......... .
Weights .................... .
Dimensions 286
286
287
288
289
292
294
294
294
294
295
295
Table of contents
Data .
. . . . . . . . . . . . . . . . . . . . . . . . . 296
200 hp , 2.0 liter 4-cyl. turbo
gasoline engine . . . . . . . . . . . . . . . 296
140 hp, 2.0 TOI l iter 4-cyl. turbo
clean diesel engine . . . . . . . . . . . . 298
C o nsumer Inform ati on . . . . . . . 299
Warranty coverages . . . . . . . . . . . 299
Operating your vehicle outside the
U.S.A. or Canada . . . . . . . . . . . . . . 299
Aud i Service Repair Manuals and
Li tera ture . . . . . . . . . . . . . . . . . . . . 299
Maintenance . . . . . . . . . . . . . . . . . 299
Add itional accessories,
modif ications and parts
replacemen t . . . . . . . . . . . . . . . . . 301
Alphabetical index . . . . 304
Vehicle operation Vehicle care Do-it-yourself service Technical data

Instruments and warning /indicator lights
Electronic Stabilization Program (ESP}
r /
The warning/indicator light monitors the electronic
stabili zation program.
The warning/ind icator light ,., has the following functions:
• it flashes wh ile you are drivi ng, when the ESP or the ASR (Ant i-Slip
Regulation) is working .
• it ill um ina tes when yo u sw itc h on the ignition for app rox imately 2
seconds as a funct ion check .
• it illum inates w hen there is a malfunction in the ESP .
• it illum inates after the battery has been disconnected.
• it illum inates continuously when the ESP is switched off.
• it illumi nates if the re is a malfunct ion in t he ABS, s ince the ESP is
part of the ABS system.
If the ESP warning/ind icator light ill umina tes and stays on after you
have started the engine, this may mean that the co ntro l system has
tempo rari ly switched off the ESP. If this is case , you can reactivate
the ES P by sw itch ing t he ig nit ion off and the n on agai n. The
warning/indicator light should go out to show that the system is fu lly
fu nctional again .
The ESP warn ing/ind icator light will illuminate when the ignition is
switched on if th e ve hicle bat tery has been disconnected and the n
reconnected aga in . The light should go ou t after dr iv ing a short
dis tance if the steer ing whee l is turned s lig htly.
For mo re information abo ut the ESP=>
page 188 . •
Malfunction Indicator Lamp (MIL}
(USA models}/ (Canada models}
The Malfunct io n Indicator Lamp ( MIL) is part of the On -Board D iag ­
nos tic (O BD II) system. The symbol ligh ts up w hen the ign ition is
turned on and w ill tu rn off after the eng ine has star ted and has sett
led at constant idle speed . This i nd icates that the MIL is work ing
properly .
T he warn ing light ill uminates when there is a malfunction in the
engine e lectronic system. Contact yo ur a uthorized Audi dealer and
have the malfu nction co rrec ted .
For more information=>
page 20. •
High beam !§"0
T he ~D warning/indicator light illuminates when the high beams are
on or whe n yo u us e the headl ight flasher. Fo r more informat io n abou t
using the high beams, see=>
page 59. •
Turn signals ¢¢
The indicator li ght flashes when you use either tur n
signal .
Whenever yo u use the left¢ or the right¢ tu rn signa l, the indicator
light flas hes. W hen you use t he emerge ncy f lashe r, both ind icator
lights flash.
If one of the turn sign al ligh t bul bs bur n ou t, the turn signal will flash
twice as fast as normal. •
Cruise control
CRUISE (USA models}/ 0.z (Canada models}
The CRU ISE warning/indicator light illuminates when the cruise control
is activa ted. •

Airbag system !.!r
This warning/indicator light monitors the airbag and the
tensioner systems.
The !! r warning light i llum inates for a few seconds each time you
switch on the ign ition.
If the
! !r warning light does not go out, or if it illum inates while you
are d riving, or i f it s tarts to flash, t hen there is a m alfu nct io n some­
where in the system . If the light does not illum inate when you switch
on t he ignition, this also means there is a malfunction.
& WARNING
If you have a malfunction in the airbag sy stem, contact your
authorized Audi dealer immediately. Otherwise the airbag or the
belt tensioner ma y not work properly in an accident. •
Generator 0
This warning/indicator light detects a malfunction in the
generator or in the vehicle 's electrical syst em .
Th e D war ning/in dica tor lig ht ill uminates when you swit ch on t he
ign ition and must go out a fter the engine has started.
If the D war ning/ind ic at or ligh t illumina tes whi le you are d riving,
you shou ld contact you r auth o rized Audi dealer . Since the ve hicle
battery is discharging, you shou ld switch off any unnecessary elec­
t rical consume rs (fo r example , the air condi tioner) .•
Controls and equip ­
ment Safety first
Instruments and warning
/indicator lights
Safety belts ,ft-
This warn ing/indic ato r light remind s you t o put on yo ur
safety belt.
The 4'-wa rning/ind icator light illuminates when the ignition is
s w itched on to re mi nd the driver and (o n USA models only) any fro nt
passenger to put on the sa fety belt. Additionally, an acoustic warn ing
(gong) will a lso s oun d.
For more Information=>
page 135, "Safety belt wa rning light .t" . •
Brake system
BRAKE (USA)/ (CD) (Canada)
T his warn in g/in dic ato r ligh t ill umin ates whe n t he br ake
flui d level is t oo lo w o r w he n t here is a ma lfunction in the
AB S, or whe n the pa rking b rake is s et.
T he light illuminates w hen the ign it io n is tu rned on . It goes out after
t he engine has bee n sta rted and th e p arki ng bra ke is f ully re le ase d.
T hi s indicates that t he bra ke warning light is functioning properly.
If the brake warning light does not light up when the engine is
cranking or the parking brake is appl ied , there may be a malfunc­
tion in the electrical system. In this case , contact your Audi dealer .
If the ABS f ails, the A BS war ning/ indicato r light 5 (USA
models)/ (Canada mode ls) flashes toget her w it h the brake system
w ar ning/indica tor ligh t=> & .
(USA models): If the warning light
BRAKE and the warni ng lig ht illu­
m inate together, immediate ly contact your authorized Audi dealer or
qualified workshop to have all brake pads inspected=>
page 35.
Whe n the light comes on, an aud ible warn ing si gna l is also given .
Parking brake set
The BRAKE warning/indicator light i lluminates when the par king brake
is set=> &. _,.
Vehicle care Technical data

Driver information display
Distance
The elapsed distance since the last time the memory was cleared
appears in the display. The maximum distance that can be recorded is
9,999.9 m iles (9,999 .9 kilometers).
[ i ] Tips
All stored values will be lost if the vehicle battery is disconnected. •
Operation
The trip computer is controlled by two switches on the
windshield wiper lever.
Selecting the trip computer
Fig. 11 Wiper
arm/w iper lever:
controls for the trip
co mputer
- Tap the [ Reset] button® until the trip computer
(memory level 1 or 2) appears in the display=>
page 21,
fig. 10.
Selecting the functions
-Push in the upper (lower) protrusion on the function
selector switch@=> fig. 11. The functions for the trip
computer are displayed in succession on the respective
memory levels.
Resetting the function to zero
- Push the [ Reset I button ® for at least two seconds.
You can reset the following values to zero using the [ Reset l button:
• driving time
• distance
• average fuel mileage
• average speed
The trip computer only operates when the ign ition is on. When you
turn on the ignition, the function that was in use when you last turned
the ignition off will be displayed.
[ i ] Tips
• You can also set the values for the functions to zero in the menu
display
( Reset )~ page 22.
• All stored values will be lost if the vehicle battery is
disconnected. •
Menu display
Introduction
Fig. 12 Wiper lever:
Controls for the menu
display ..

Engine oil sensor malfunction =>page35
._ -
Engine speed limitation =>page34
Diesel particulate filter =>page34
Worn brake pads =>page35
USA models : =>page35 Speed warning 1
Canada models: =>page35 Speed warning 1
USA models : =>page35 Speed warning 2
Canada models: =>page35 Speed warning 2
!! Dynamic headlight range control*
defective
=> page35
Con tro ls a nd e quip ­
m en t
Windshield washer fluid level low => page35
Battery voltage too high or too low => page 35
Defective light bulb =>page36
USA models : =>page36
Defective brake light
Canada models : =:>page36
Defective brake light
Light/rain sensor defective (auto-
=> page 36
matic headlights)* defective
Tire pressure monitor ing system*
=> page 36
Vehicle OP-eration
Driver information display
When a yellow symbol appears, a warning tone will sound once.
Check the displayed function as soon as possible . If more than one
malfunction is detected, all symbols will appear one after the other
for about two seconds .•
Driver information
In addition to the warning/indicator lights and the
symbols in the instrument cluster display, driver informa ­
tion is displayed .
-~ a:.. CD m
Fig. 24 Section of
instrument cluster:
Set/Check button
Driver information appears in the display when a defective light bulb
is reported by the defective light bulb warning=>
page 36, when the
brake pads are worn and before you engage a gear on vehicles w ith S
tronic .
In addition, driver information may appear when a red symbol flashes
in the driver disp lay.
To display Drive r information
As an example, the~ symbol appears in the display . If you now
press the button => fig. 24, the following driver message appears in
the disp lay:
Switch off engine and check oil level
The driver message in the display goes out afte r about 5 seconds. You
can display the driver message again by br iefly pressing the button .•
Vehicle care Do-it-yourselt service iTechnical data

Engine oil sensor defective,:., 1ioo
If the ~ symbol illuminates, contact your authorized Audi dealer
and have the oi l senso r inspected. •
Worn brake pads ,
Brake pads!
If the warn ing lig ht i llum inates, immediately contact your authorized
Audi dea ler or qu alified wor kshop to have all b rake pads insp ected.
On USA mode ls the warn ing light ,,, comes on together w it h the
warning light
BRAKE . Both sets of brake pads on an axle must a lways
be rep laced at the same time .
& WARNING
Driving with bad brakes can c ause a collision and serious personal
injury .
• If the warning light land the warning light
BRAKE1> with the
me ssage Brake pads! comes on in the in strument cluster di splay,
immediately contact your author ized Aud i dealer or qualified
workshop to have all brake pad s checked or replaced if
necessary. •
....
Speed warning 1 _, (USA
models)/ ...... (Canada models)
If the :J symbo l ill uminates, this means you are driving faster than
t he set vehicle speed. Slow down!~
page 28. •
ll BRAKE : USA mode ls on ly
Controls and equip ­
ment Safety first
Driver information display
Speed warning 2
) (USA models)/ (Canada models)
If the symbol i llum inates, this means you have d riven faster than
t he second set ve hicle speed . S low dow n!~
page 28. •
App lies to vehicles : wit h dyn am ic head ligh t ra ng e ad justmen t
Headlight range control defective r!>
If the > illuminates, the dynamic headlight range cont rol is no
longer work ing prope rly. Have the system checked and repaired at
your authorized Aud i dea ler. •
Windshield washer fluid level too low ~
If the -., symbo l ill uminates, add windshie ld washer fluid to the
was he r system ~
page 24 3. •
Battery voltage low
If the O symbol illum ina tes, contact yo ur authorized A udi dea ler and
have the fo llowing components inspected:
• drive be lt
• battery charge
Also see i f th e gener ator w arning/ind ic a tor ligh t illumina te s
~page 15 .•
Vehicle care Technical data

(]] Tips
• If you open the dr iver's doo r with the key left in the ign it ion loc k,
a chime will sound . This is your reminder to remove the key and lock
t he doo r.
• For security reasons, replacement keys are only available from
au thorized A ud i deale rs .•
Master key with remote control
The remote control allows you to lock or unlock the
vehicle electronically.
Fig. 26 Fold-u p
m aster key w ith
re mote co ntrol
- To fold the key out and bac k in place, press the re lease
button==> fig. 26 .
The transmitter and battery are located in the head of the remote
cont rol. The receiver is located inside the veh icle. The maximum
effect ive ra nge depends on severa l things . Remember, if the battery
is weak, the effect ive range decreases.
If you need to replace the remote control, or if you need to have it
repaired, yo u mus t see your authori zed Aud i dealer. Only then can yo u
use the key again .
Contro ls a nd e quip ·
m en t Vehicle
OP-eration
Opening and closing
(]] Tips
• If the ignitio n is switched on, the remote con trol system is deacti­
vated.
• T he remote control system can be affected by other systems oper·
ating in the same frequency range close to the veh icle, such as mobile
t elephones, te levision broadcasti ng stations, etc.
• For Declaration of Compliance to United States FCC and Industry
Canada regulations=:>
page 303 . •
Check light in remote master key
The check light in the r em ote m aster ke y indi cat es the
state of charge of the battery .
State of master key battery
Fig. 27 C hec k ligh t in
the maste r key
When a button is pressed, the check light flashes=:> fig . 27 (arrow) .
If the check light does not come on or flas h, the batte ry is dead and
has to be rep laced.
Battery replacement =>
page 40. •
Vehicle care Do-it-yourselt service iTechnical data

Open ing and closing
Master key battery replacement
Each master key contains a battery housed under the
cover.
Fig. 2 8 Mas ter key :
opening the cover
We recommend having the battery changed by a qualified
workshop . However , if you wish to replace the dead battery
yourself, proceed as follows:
- Pry apart the base~ fig. 28 @and the cover @carefull y
with a coin .
- Remove the cover (arrow) .
- Remove the dead battery from the cover .
- Install the new battery. Please make certain that the"+"
sign on the bat tery faces down in the cover. Correct
polarity is shown on the cover.
- Place the cover with the new battery on the key base and
press both parts together.
For the sake of the environment
Dispose of dead batteries p roperly so as not to po llute the environ ·
ment .
[I] Tips
The replacement battery must be the same specification as the
original. •
Electronic immobilizer
The immobilizer helps to prevent unauthorized use of
your vehicle .
A computer chip inside your key automatically deactivates the elec ­
tronic immobilizer when you insert the key in the ignition lock . When
you remove the key from the ignition lock, the electron ic immobilizer
is automatica lly activated once again .
[I] Tips
• The veh icle cannot be started if an unauthorized key is used. The
vehicle may not start if another radio device such as a key for another
vehicle o r transponder is located on the key ring.
• For Declarat ion of Compliance to United States FCC and Industry
Canada regulations
~ page 303. •
Power locking system
General description
The power locking system locks or unlocks all doors and
the rear lid simultaneously.
The power locking system in you r vehicle incorpo rates the following
functions :
• Central locking funct ion
• Remote con trol feature ~
page 39.
• Anti -theft alarm system~ page 48.