air conditioning AUDI A3 2012 Owner´s Manual

80 Warm and cold
-Never use the windshield wiper/washer
system in freezing weather until you
have warmed the windshield first, using
the heating and ventilation system. The
washer solution may freeze on the wind­
shield and reduce visibility .
(D Note
-If you suspect that the air conditioner
has been damaged, switch off the air
conditioner and contact an authorized
Audi dealer to have the system inspect­
ed .
- Repairs to the Audi air conditioner re­
quire special technical knowledge and
special tools. Contact an authorized Audi
dealer for assistance.
@ Tips
-Keep the air intake slots (in front of the
windshield) free from ice, snow and de-
Controls
bris in order to maintain the proper func­
tion of the climate control system.
- Air escapes through vents under the rear
window. When placing items of clothing on the luggage compartment cover, en­
sure that the openings are not covered.
- If the inside temperature is very high
(for example, if the vehicle has been
parked in sun), open the windows and al­
low the hot air to escape before turning
on the air conditioner .
- A sensor in the grill provides the air-con­
ditioning system continuously with read­
ings of current outside temperature . So
that the air-conditioning can operate at maximum efficiency, the area below the
front license plate holder must not be
covered .
This overview will help you to familiarize yourself with the air conditioning controls.
Fig. 96 Air condi tion ing con tro ls
The display shows the temperature selected
and the blower setting.
You can set the temperature for the driver's
side using the left rotary switch @and the
temperature for the passenger's side with the
right switch @. Functions are
turned on and off by touching
the buttons. The diode in the buttons illumi­
nates when the function is active.
The grille between the buttons[:]/
G and
IAUTOI must remain unobstructed; there are
measurement sensors behind it.
- Do not seal off the grille.

The air recirculation opera tes for a maximum
of 12 minutes. If the windows start to fog up
while the air rec irculat ion is on, press~
Unde r certain operating condi tions (fo r exam­
p le, if~ or
1-1 are pressed) the air recircu la ­
tion automatica lly switches off.
If the air con­
d itioner is sw itched off, or if the temperature
is below 18 °F (-8 °C), the air recircu lation wi ll
operate only for 12 seconds.
Switching between Fahrenheit and
Centigrade
You can change the temperature display from
°F (Fahrenheit) to °C (Centigrade) and vice
versa.
.,. Hold the l.,s,! button down c:> page 80,
fig.
96.
.,. Turn the rotary switch (d river 's s ide) @ for
3 seconds +.
G;J Air recirculation
The air recirculation prevents exhaust fumes
or oth er pollution from entering the vehicle .
Switching air recirculation on
.,. Press ~ c:> page 80, fig. 96 c:> A
Switching air recirculat ion off
.,. Press~ again, or
.,. press
IAUTOI, or
.,. press~-
I n the ai r recircula tion mode, the air in the
passenger compa rtment is recirculated to
p revent exhaust fumes and ot her pollution
from entering the vehicle. We recommend
that you use the manual air recircu lation un­
der the following conditions:
- when d riving through t unnels
- in a traffic jam.
,8. WARNING
Do not use this setting for extended pe ri­
ods of time . The windows could fog up
since no fresh a ir can ente r the vehicle . If
Warm and c old 83
the windows fog u p, press the ai r rec ircula­
tion button aga in immed iately to sw itch
off the air rec irculation function or select
defrost.
G IB Adjusting the fan speed
The automatically selected fan speed can be
increased or decreased.
.,. Press the[:] or El buttons in the center of
the control panel
c:> page 80, fig. 96 to ad ­
just the fan speed to your comfort.
T he air conditioning system automatically
r egulates the fa n speed i n respo nse to the in ­
terior tempe rat ure. However, you can a lso ad­
j ust the fan speed ma nually. A line of small
bars in the center display above the fan con­
trol buttons w ill re treat or extend to reflect
you r adjustments to the fan speed .
Air distribution
The automatically controlled air distribution
can be changed manually.
You can use the @J , [fil or~ buttons separate­
ly or together in combination. To switch back
to the automatic air d istr ibu tion sett ing, ei­
the r switch off the b uttons you prev iously se­
lected , or press
IAUTOI.
Each of the three buttons has its own spec ific
funct io n (t he reference numbers refer to the
a ir out lets)
c:> page 84, fig. 97.
~ Air directed to the windows
A ll the air is directed to outlets Contrary to when~ is pressed, the amount of
a ir remains the same .
~ Air directed to the driver /front
passenger
All the a ir is directed to outlets@,@ and ©
in the instrument panel. Air also is directed
th ro ugh the center console in the rear.
~ Air d irected to the footwells
A ll the air is directed to outlets ® and to the
outlets under the front seats.

244 Fuses and bulbs
Fuse Location, Instrument Panel left
Fuses which can be replaced.
Fig. 191 Cockp it driver 's s ide: fuse pane l layout
Note that the following table is accurate at
the time of going to pr ess and i s subject to
change . In the event of d iscrepancies, the la­
bel on the in side of the cover always take s
pr eceden ce .
The power seats are protected by circuit
break ers,
which automatically reset after a
few seconds after the ove rload has been rem­
ed ied .
Equipment
Manua l head light beam ad­
justment, a utomat ic head­
light beam adjustment, AFS
1 co ntrol m odule, engine
components, light switch
(switch lighting/illumina­
ti on), diagnosis socke t
2
3
4
5
6
8
9
Automatic transmission,
control module for CAN data
transfer (gateway), electro­
mechanical steering, shift
gate automatic transmis­
sion, fuel tank control unit,
engine control unit, brakes
control (A BS), Electronic
Stabili zation Program (ESP) ,
Anti-Slip Regulation (ASR)
Air bag
Air-conditioning (pressure
sensor, air quality sensor), button for Electronic Stabili ­
zation Program (ESP), Anti ­
Slip Regulat ion
(ASR), tire
pressure monitor display, oil
level senso r, back-up ligh t
s w itch, front se at he ati ng ,
p ark ing aid, sea t-occupancy
recognition (on USA vehi ­
cles), garage door opener,
automa tic mirror dimming,
headlight assistant, heated
windshield washer nozzles, air conditioning (control
module)
AFS headlights ( left si de)
AFS headlights (right side) Instr ument cluster
Navigation system, radio
system
1 0 digital
radio, cell phone, TV
equipment
11 Automatic mirror dimming,
headlight assistant
12 Central lock ing (front doors)
Central locking ( rear doors)
Amps
10
10
5
5
5
5
5
15
7 ,5
10
10
10

No. Equ ipment
Electronic Stabilization Pro-
14
gram (ESP) (control mod-
u le), shift gate automatic
transmission
15 Interior lights, reading
lights
Diagnostic connector, rain
sensor, air conditioning
16 (control module), t
ire pres-
sure monitor d isplay (con-
trol module)
I 17
Anti-theft alarm warning
system
18 D iagnose Starter
19 All Wheel D rive
20 Audi magnetic ride
Blower fan
23
Driver's
side power window,
front
24 Power outlet front
2S Rear window defogger
26 Power outlet in luggage
compartment
27 Fuel tank control module,
fuel pump
28 Power window, rear
33 Slidi ng/pop-up roof
36 Lumbar support
37 Heated sea ts, front
1 38
Passenger side power win-
dow, front
39 Specia l func tion interface
40 Starter
41 Rear window wiper
43 Body control module
47
Ce ll phone package (V OA in-
terface)
Automatic circuit breakers:
10
10
10
5
5
10
40
30
20
30
20
15
30
20 10
20
30
5
40
15
20 5
The electri c power w in dows and the e lectr ic
seat adjusters are pro tected with circu it
breake rs which reset automatically after the
circuit overload has been corrected.
Fu se s and bulb s 245
@ Tips
-Whenever rep lacing a fuse, always con­
sult the sticker on the inside of the f use
pane l cover. It contains the most up-to­
date information regarding the fuse ar­
rangement. If in doubt, ask your author­
ized Aud i Service adviso r.
- Some of the equipment items listed are
opt ional or only available on certa in
mode l configurations.
Fuse location, left side of engine
compartment
Fig . 192 En gine compar tment : fuse assig nment
,._
-d. a, a>
Check the fuse layout with the f use panel cov­
er removed
¢ page 243, Fuse cover in engine
comportment.
Some of the equipmen t items listed are op­
tiona l or only ava ilab le on certain model con ­
figurations.
Please note tha t the preced ing tab le was ac­
c u rate at the time of pr int ing and is subject to
c h ange.
No. Equipment
F2 Engine compone nts
F3 Battery voltage ESP valves, Anti-lock brake
F4 system (ABS) valves
Transmission control mod­
F5 ule
F6 Steering wheel e lectronics
Amps
20
5
20
15
s

264 Index .:..:..:..::....::..
...:..._ ___________________________ _
A
ABS
refer to Anti-lock brake system . ... .. . 164
Accessories .. ... .. ..... ... .. .. .. .. . 26 1
Acoust ic park assist ........ .. .. .... .. 93
AC (a ir cond itioner) ......... .. .. .. .. .. 81
Adapter for anti-theft wheel bolts . .. .. . 238
Adaptive light
defective . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Adding Engine coolant .......... .... ..... . 204
Engine oil . ...... ....... ... .. .... . 200
Windshield washer fluid ............ 211
Addit ional accessories .......... .... . 261
Additional heater Climate controls . . . . . . . . . . . . . . . . . . . . 85
Additives Engine oil . ............... ... .. .. . 200
Adj ustab le steering wheel column .... .. 88
Adjusting Steer ing wheel column ........ .. .... 88
Adjusting front seats ........ ... .... .. 61
Advanced Airbag System
Components ... .......... .. .. .. .. . 129
Fr ont airbags ................ .... . 127
How the components work together .. 130
Monitoring ................. ..... . 133
PASS ENG ER A IR BAG OFF light .. .... . 133
A irbag
Warning/indicator lights ............. 16
A irbag system . . . . . . . . . . . . . . . . . 122, 139
Advanced Airbag System . . . . . . . . . . . . 126
Care . .. .. ............... .. .. .... . 135
Ch ildren . .... ........... .. .. .. .. . 144
Ch ild r estra ints ........... .. .. .. .. . 145
Components (front airbags) . ... .... . 129
Danger of fitting a child safety seat on
the front passenger seat . . . . . . . . . . . . 123
Disposal . ................. .. .... . 135
Front airbags . ........... .. .. .... . 126
How do the front airbags work? . . . . . . 131
H ow many airbags does my vehicle
have? ..... .......... ...... ... .. . 129
I mportant things to know .... .. .... . 122
I ndicator light ........... .. .. .. .. . 133
Monitoring ................. ..... . 133 Repairs ...
.... .. ............. .... 135
Side airbags ..... ................ . 137
S ide curtain airbags ................ 140
When must the system be inspected? 133
Airbag System
Weight-sensing mat .............. . 144
Air conditioner .. .. ................ .. 81
also refer to Climate controls .. .. .. .. . 79
Air conditioning Switching on and off ........... .. .. . 81
Air distribution Climate controls . ................. .. 83
Air outlets Adjusting the outlets for rapid defrost -
ing/defogging ... ................ .. 84
Climate controls . .............. ..... 84
Air quality sensor . . . . . . . . . . . . . . . . . . . . 82
Air recirculation . .. ... .......... .... . 83
Climate controls .. ............. .... . 82
When should I use the air recirculation? 82
Air recirculation mode Climate controls . ................. .. 82
All-wheel drive Winter tires ... .. ... .......... .... 227
Alloy wheels ...... ................ . 182
All Wheel Drive .... ............. .... 166
Alternator
refer to Generator ............. .. .. . 16
Aluminum alloy wheels .... ...... .... 182
Ambient lighting . . . . . . . . . . . . . . . . . . . . 52
Anti-lock brake system How the ABS system works ........ .. 164
Warning/ind icator lights ........ .. .. . 18
Anti -theft systems
Anti-Theft Alarm System . . . . . . . . . . . . . 42
Anti-theft wheel bolts ........... .... 238
Armrest Center armrest . . . . . . . . . . . . . . . . . . . . . 66
Rear armrest .... ................ .. 67
Asterisk What does it mean when something is
marked with an aster isk? ........ .... .. 6
Audi magnetic ride . . . . . . . . . . . . . . . 22, 9S
Description . . . . . . . . . . . . . . . . . . . . . . . . 95
Indicator light ... ....... ...... .. .. . 22
Audi Service Repair Manuals and Litera-
ture 259

26 6 Index
Changing engine oil
Chass is 201
Unde rcoat ing . ............. .. .... . 183
also refer to Aud i magnetic ride ... .... 95
Checking
Eng ine coolant level ........ .... ....
204
Checking tire pressure . ... .. .. ... ... . 218
C hi ld restra int
Danger of us ing c hild restra ints in the
front seat ... .... ..... ... .. .. .... .
123
Child restra ints
Where can I get add it iona l information
about child restra ints and their use? ..
160
Ch ild restra int system anchors ... .. ... 155
Child safety . . . . . . . . . . . . . . . . . . . 143, 148
Convertible locking retractor . . . . . . . . . 152
Important safety instructions for using
chi ld safety seats ..................
146
Important things to know when dr iving
with children ............. .... ....
143
Install ing a child restraint using the
LA TC H system ............. ... .. ...
157
M ount ing and releasing the ancho rage
hook .. .... ... .......... .. .. .. .. .
157
158
158
Tether anchors
Tether straps
Ch ild safety lock
· ............... ..... 42
Child safety seats ................... 148
Booster seats .. .......... .. .. .... . 151
Convertible child seats .... .. .. .. .. . 149
Convertible locking retractor .. .. .. ... 152
H ow do I properly install a child safety
seat in my vehicle? ........ .. .. .... .
146
Infant seats ...................... 148
Ins tall ing ... ............ .. .. .. .. . 152
LA T CH system .... ..... ... .. .. .... . 157
Safety instructions . . . . . . . . . . . . . . . . . 146
Child seats
L owe r ancho rages ........ .. .. .... .
156
Clean ing
Alcantara (synthet ic suede) ..........
186
Eng ine compartment ...... .. .. .. .. . 187
Exhaust tail pipes .................. 183
Fabrics and fabr ic coverings .. .. .... . 184
Instrumen t panel .................. 184
Inter ior
L eather .. .. ... .. ..... ... .. .. .... .
. ... ... . ...... ... ... ...
' . .
183
186
Plastic and vinyl ..... .. ..... .... . .. 181
Plastic parts ..... ... .. ..... ... .. .. 184
Safety be lts ... .. ... ....... ... .. .. 187
trim strips
Tr im strips 181
181
Cleaning and protection .. ..... ... .. .. 178
Cl imate controls . .. ................ .. 79
Additional heater . ... .......... .. .. . 85
Air distrib ution . .. ............. .... . 83
Air o utlets · · · · · · · · · · · · · · · ......... 84
Air recirculation . . .. ... ..... .... ... . 83
Air recircu lation mode (manual) . ... .. . 82
Automatic air recirculation ... .... . .. . 82
AUTO (standard setting) ........ .. .. . 81
Controls . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Defrost ing/defogging ............. .. 82
Description . . . . . . . . . . . . . . . . . . . . . . . . 79
Fan ......... ... .. .............. .. 83
Key- coded setting ... .......... .. .. . 84
Recommended settings ......... .... . 79
Setting the temperatu re ........ .. .. . 82
Switching between Fa hrenhe it and Centi-
grade . ... .... .. .. .... .... ... .. .. .
83
Switching the air conditioning on and off 81
Using the climate control economically . 84
Warm and cold . .. ............. .... . 79
Clock . ... .. .... .. .. ... ..... ... .. .. . 11
Clutch overheat ing ................. . 101
Coat hooks ..... .. ............. .... . 78
Cold tire infla tio n press ure ........ .... 216
coming home ... .................. .. 48
Compartments in the door trims ... .. .. . 77
Compass mir ro r . . . . . . . . . . . . . . . . . . . . . 59
Compliance . .... .. ............. .... 262
Consumer Information. .. ..... .. 111,259
Contacting NHTSA ................. . 111
Convenience close/open feature
Windows . .... .. ............. .... .
44
Convertib le child safe ty seats ..... .. . . 149
Convertible locking retractor
At· .
c 1vatmg ... .. .. .. ... ....... ... . .
154
D t" t· eac 1va mg ... .. ............. .. .. 155
Using to secu re a child safety seat 1.52, 154
Coolant system ..................... 203
Cooling System
Expansion tank ... .. .... .... ... .. ..
204