2015 AUDI A3 CABRIOLET coolant temperature
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222 Checking and Filling
After you switch the engine off, the auxiliary
fan can continue running for up to 10 minutes
- even with the ignition off. It can even switch
on again later by itself
c:> .&. , if
- the temperature of the engine coolant rises
due to the heat build-up from the engine in
the engine compartment, or
- the engine compartment heats up beca use
the vehicle is parked in intense sunlight.
A WARNING
- To reduce the risk of personal injury
nev
er touch the radiator fan.
- The auxiliary electr ic fan is temperature
contro lled and can switch on sudden ly
even when the engine is not running.
- The auxiliary radiator fan switches on au tomatically when the engine coolant
reaches a certain temperature and will
continue to run until the coolant temper
ature drops.
Brake fluid
Checking brake fluid level
N
N
;;;
" 00 co
Fig . 169 Engine compartment : cove r on the brake flu id
r eservoir
Before you check anything in the engine com
partment,
always read and heed all WARN ·
INGS c:> page 214.
.. Read the brake fluid level from the brake
fluid reservoir
c:> fig.169, c:>poge216 ,
fig. 165.
The brake f luid level must be be
tween the "MIN" and "MAX" markings.
The location of the brake fluid reservoir can be
seen in the engine compartment illustration
c:> page 216 .
The fluid level may drop slightly after some
time due to the automatic adjustment of the
brake pads . This is not cause for a larm.
If the brake f luid level falls
considerably be
low the "MIN" mark, the brake warning/indi
cator light . (U.S. models)
I. (Canad ian
models) will come on
c:> page 18 . Do not con
tinue to operate the vehicle. The complete brake system should be thoroughly checked
by an authorized Audi dealer or other quali
fied facility and the cause corrected. If the
brake fluid level is too low, the brake warning/
indicator ligh t will illuminate. Contact an au
thorized Audi dea ler
immediately.
Changing brake fluid
Have the broke fluid changed by an experi
enced technician.
Brake fluid absorbs moisture from the air. If
the water content in the brake f luid is too
high, corrosion in the brake system may result
after a period of time. The boiling point of the
brake fluid will also decrease considerably and
decrease braking performance.
T he refo re, the brake fluid must be changed
every two years. Always use new brake fluid
wh ich conforms to Federal Motor Vehicle
Standard "FMVSS 116 DOT 4".
T he brake fluid reservoir can be difficult to
reach, therefore, we recommend that you
have the b rake fluid changed by your author
ized
Audi dealer. Your dealer has the correct
tools, the right brake fluid and the know-how
to do this for you .
A WARNING
---Brake flu id is poisonous. It must be stor
ed only in the closed or iginal container
out of the reach of children!
- Brake failure can resu lt from o ld or inap·
propriate brake flu id. Observe these pre·
cautions:
- Us e only brake fluid that meets SAE
specification
J 1703 and conforms to
Federa l Motor Vehicle Standard 116.
Page 291 of 302
M N ,....
> co ,...., \!) 1.1'1 ,...., 1.1'1 ,....,
Cockpit (overview) . . . . . . . . . . . . . . . . . . . . 8
Cold tire inflation pressure ............ 235
Coming home ...... ..... .. .... .. .. .. 51
Compartments ............ .... .. .. .. 64
Compass in the mirror ........... .... . 57
Compliance .. .. .............. ... ... 285
Consumer Information . . . . . . . . . . 134, 282
Consumption (fuel) ........ .. .. .. .. .. 27
Contacting NH TSA ............ ... .. . 134
Convenience key Emergency operation . . . . . . . . . . . . . . . . 80
Indicator light ........... .. .. .. .. .. 81
Starting the engine (START ENGINE ST OP
button) .... .. .............. ... .... 78
Stopping the engine (S TART ENGINE
STOP button) . . . . . . . . . . . . . . . . . . . . . . 79
Switching the ignition on .. .. .. .. .. .. 78
unlocking/locking ........ .. .. .. .. .. 34
Convenience opening/closing
Convertible child safety seats
Convertible locking retractor .
. .. .. .. .. 39
176
Activating .. ................. .. .. . 182
Deactivating . . . . . . . . . . . . . . . . . . . . . . 182
Using to secure a child safety seat l80, 182
Coolant
refer to Engine coolant ....... ... .. . 220
Cool ing mode (automatic climate control
system) . .. .. ................. .. .. .. 72
Cooling mode (manual climate control sys-
tem) .. .. .. .. .. ........ ... .. .. .. .. .. 71
Cooling system Adding coolant ........... .... .. .. . 221
Coolant level checking ..... .. .. .. .. . 221
Coolant temperature indicator .. ... ... 12
Indicator light ... .. ...... .. .. .. .. .. 19
Cornering light . ........... .. .. .. .. .. 50
C rash data recorde r (EDR) 188
Cruise control system Changing speed . . . . . . . . . . . . . . . . . . . . 86
Description ............... ... ... ... 85
Preselecting speed . . . . . . . . . . . . . . . . . . 86
Sw itching off . ........... .. .. .. .. .. 86
switch ing on ............. .... .. .. .. 85
Cup holders . . . . . . . . . . . . . . . . . . . . . . . . . 64
Current consumption . . . . . . . . . . . . . 26, 27
Index 289
D
Data recorder . . . . . . . . . . . . . . . . . 188, 194
Date display . . . . . . . . . . . . . . . . . . . . . . . . 10
Daytime running lights ........... .... . 49
Decla rat ion of compliance
Adaptive cruise control . . . . . . . . . . . . . 28S
Audi side assist .... .............. . 285
Cell phone package . . . . . . . . . . . . . . . . 285
Convenience key .... .............. . 285
Electronic immobilizer .......... .. .. 285
Homelink universal remote control . .. 285
Remote control key . . . . . . . . . . . . . . . . 285
Defective light bulb warning
Indicator light ... .. ................ 24
Defrost ing (windshield)
automat ic climate control system . . . . . 73
manual climate control system ........ 71
DEF (instrument cluster) ... .. .... .... . 11
Deluxe automatic climate control
refer to Climate control system (auto-
ma tic) ...... .. .. .. . ............... 72
Determining correct load limit ....... . 245
Digital compass . .. .. . ............ .. . 57
Dimensions . .. .. .. ................. 280
D imming the rearv iew mirror ..... .. .. . 56
Distance ......... .. ..... ........... 27
Door/rear lid warning 26
Door contact sw itch . . . . . . . . . . . . . . . . . . 52
Driver information system .......... .. . 26
CD/radio display .. .. . .. .. .. .... .... . 26
Door/rear lid warning ............... 26
Driver messages . . . . . . . . . . . . . . . . . . . . 13
Efficiency program . . . . . . . . . . . . . . . . . . 28
Ind icator lights .. .... ......... .... . 13
On-board computer ............ .. .. . 27
Outside temperature display . . . . . . . . . . 26
Service interval display . . . . . . . . . . . . . . 13
Using the mu ltifunction steering wheel . 26
Driver seating position ........... .... 127
Drive select
refer to Audi drive select ............ 107
Driving safely 126
Driving through water .. ......... .. .. 197
Driving time
Dust filter 27
refer to Pollutant
filter ............ .. 70
•
•
Page 298 of 302
296 Index
Selector lever (automatic transmission)
Emergency operation . . . . . . . . . . . . . . . 117
Position ... ................ ..... . 110
Service and disposal
Safety belt p retens ioner ... .. .. .... . 145
Service interval display
with driver informat ion system .. .. .... 13
Setting clock ................ .. .... .. 10
Sett ing date ............ .. .. .. .. .. .. 10
Setting the temperature automatic climate control system ... . . 73
Setting time ............... ... .... .. 10
SETUP (basic setting) ......... .. .... .. 10
Shift paddles (automatic transmission) . 115
Short-term memory ................ .. 27
Side airbags
Description ............ .. .. .. .. .. . 165
H ow they work ........... .. .. .... . 167
Side assist . .. ..... ........... ... .. . 103
Adjust ing the brightness ..... .. .. .. . 105
Cleaning the sensors .......... .. ... 205
Sensor range . ........... .... .... . 104
switch ing on and off .... .. .. .. .. .. . 105
Snow chains ........... .... ... .. .. . 256
All wheel drive ............ ... .. .. . 192
Socket . ..... ................ ..... .. 64
Sources of information about child re-
straints and their use ....... .. .. .. .. . 187
Speed limiter . . . . . . . . . . . . . . . . . . . . . . . 30
Speedometer . . . . . . . . . . . . . . . . . . . . . . . 26
Speed rating letter code ..... .. .. .. .. . 251
Speed warning system ...... .. .. .. .. . . 84
Sport mode . ............... ... .... . 189
Star button .. ... .... ...... .. .. .. .. .. 27
STAR T ENGIN E STOP button (convenience
key) .. .. .. .. .. . .......... .. .. .... .. 78
START ENGINE STOP (convenience key) ... 79
Starting Hill hold . .. ................ ... .. .. 84
Starting from a stop Hill start assist ........... .. .. .... .. 83
Starting (engine)
Automatic start (button) ....... .... . . 78
Automatic start (key) ....... .... ... .. 76
Malfunction (button) . . . . . . . . . . . . . . . . 79
Malfunction (key) . . . . . . . . . . . . . . . . . . . 77 with button
. . . . . . . . . . . . . . . . . . . . . . . 78
with key . ..... .. .. .............. .. 76
Steering Electromechanical steering . . . . . . . 192, 0
Indicator light ... ............. .... . 21
Locking steering (ignition key) ........ 78
Locking the steering (button) . . . . . . . . . 79
locking (mechanica l ignition key) ...... 76
also refer to Electromechanical steer-
ing ... .... .... ................... 192
Steering wheel
adjusting . . . . . . . . . . . . . . . . . . . . . . . . . 76
Buttons ....... .. ............. ..... 27
Multifunction steering wheel .... .. .. . 26
Shift paddles (automatic transmission) 115
Steps for determining correct load limit . 24S
Stopping (engine) with button . . . . . . . . . . . . . . . . . . . . . . . 79
with key .. .... .. ............. .... . 78
Storage compar tments . . . . . . . . . . . 64, 6S
Storage hooks . . . . . . . . . . . . . . . . . . . . . . . 68
S tronic transmission
refer to Automatic transmission .. .. .. 110
Subwoofer .. .. .. .. ............. .. .. 263
Sun visors . ..... .. ................ .. 53
Switch ing daytime running lights on and
off .. .. .. .. .. .. .. .... ...... ... .. .. . 52
Switching the ignition on and off (with
key) ... .... .... ................... . 76
Symbols
refer to Indicator lights . . . . . . . . . . . . . . 13
System indicator light (M IL) . . . . . . . 23, 29
T
Tachometer . . . . . . . . . . . . . . . . . . . . . 10, 11
Technical Data ..... ................ . 279
T echnical modifications ............ .. 284
Temperature display Coolant ....... .. .. ........ ...... .. 10
Outs ide temperature . . . . . . . . . . . . . . . . 11
Tether anchors .. .. ............. .... 185
T ether strap .. .. .. ............. .. .. 185
The first 1 ,000 miles (1,SOO km) and after-
wards ......... ... .. .............. . 196
Tie-downs . . . . . . . . . . . . . . . . . . . . . 67, 133
t ip tron ic (automatic transmission) ..... 115