2009 AUDI S3 coolant temperature

Checking and filling -
---------------------=----"=---------
Radiator fan
The radiator fa n switches on au toma tically by i tself.
T he e lectric radiator fan is control led bythermoswitches that switch
on and off depending on coolan t and engine compar tm ent temper ­
atures .
An auxiliary e lectric radiator fan * switches on and off depending on
coolant temperature and other vehicle operation conditions.
After switching off the engine , the auxiliary fan -even with the igni ­
tio n off -ca n co ntinue runni ng for u p to 10 minutes. It can even
switch on again later by itself=>&, if
• the temperat ure of the engine coolant rises due to the heat
build -up from the engine in the engine compartment, or
• t he engine co mpart men t heats up because the vehicle is parked
in intense sunlight.
& WARNING
• To reduce the risk of personal injury never tou ch the r ad iator
fan .
• The auxiliary electric fan is temperature controlled and can
switch on suddenly even when the engine i s not running .
• The auxiliary radiator fan switches on automatically when the
engine cool ant reache s a certain temperature and will continue to
run until the coolant temperature drop s. •
Brake fluid
Checking brake fluid level
The bra ke flu id l evel can be che cke d wi th a q uick gla nce.
Fig . 17 6 Engine
c o mpartment : brake
fluid re ser vo ir
Be fore yo u check anythin g in the e ng ine compar tm ent,
always read and heed all WARNINGS=> & in "Working in
t h e eng ine compartment" on
page 225.
Read t he brake fl uid lev el from t he brake flui d res ervoir .
T he b rak e fluid l eve l must b e between the
"MI N" and
"M AX" markings => fig. 176.
The brake f luid reservoir is located at the rear pa rtit ion of the engine
compartment on the left side=> page 226.
T he fluid leve l may drop slightly after some time due to the auto ­
ma tic adjustment o f the brake pads. Th is is not cause for alarm .
I f the brake flu id leve l falls considerably below the "MIN" mark, the
brake warning/indicator light (U.S . models :
BRAKE, Canadian models:
ID ) will come on=> page 15 and=> page 30. Do not continue to
operate the vehic le . The complete brake system should be thor ­
oughly checked by an au thorized Audi dealer or other qualified
facility and the cause corrected. If the brake fluid leve l is too low, the .,,_
Vehicle care I I irechnical data

------------------------------------------------=C :..:o=. n :..:..: s:..:u::.: m:...:..:. e::.:.. r..:l~ n .:..:f:..: o:.: r :..:m~ a::.:. ti:.:o::. n:....:__ _11111
& WA RNIN G (continu ed )
• Alway s be extremely careful when working on the v ehicle .
Alway s follo w commonly accepted safety pr actice s and general
c ommon sen se . Never risk per sonal inju ry .
• Do n ot attempt any of the m aint enance , check s or rep air s
de scribed on the following pages if you are not fully famili ar with
the se or othe r procedures with respect to the vehicle , or are u ncer­
t a in ho w to pro ceed .
• Do not do any work w ithout the proper tool s and equipment .
Have the necessary work done by your authorized Audi de aler or
anothe r properly equipped and qual ified work shop .
• The engine compartment of any motor vehicle i s a potentially
h azardou s are a. Ne ver rea ch into the are a around or touch the
radiator fan. It is te mperature controlled and can switch on
s uddenly · even when the engine is off and the ignition key has
been remo ved . The radi ator fan switches on automat icall y when
the coolant reaches a certain temperature and will continue to run
until the coolant t emper ature drops .
• Alway s remo ve the ignition key befor e anyone get s under the
v ehi cle .
• Alway s support your vehicle with safety sta nd s if it i s nece s­
sary to work underneath the vehicle . The ja ck supplied with the
vehi cle is not adequate for this p urpo se a nd co uld coll apse
c au sing ser iou s person al in jur y.
• If you m ust w ork under neath the vehi cle with the wheel s on
the ground , alway s make sure the vehicle is on lev el ground , that
the wheels are alway s secu rel y blocked and that the engine
c annot be started .
• Alway s make sure the t ran sm iss ion selector lever (automat ic
tran smi ssion ) is in "P " (Park position ) (automati c transmis sion) or
Neutr al ( ma nual transmission ) and the h and brake i s firmly
appli ed .
Controls and equip­ ment Safety first Vehicle operation
<£' For the sake of the environment
•
Changing the engine settings will adverse ly affect em ission
levels. This is detrimental to the environment and increases fuel
consu mption.
• Always observe environmenta l regulations when disposing of
old engine oil, used brake fluid, d irty engine coolant, spent batteries
or worn out tires .
• Undeployed airbag modules and pretensioners might be classi ­
fied as Perch lorate Material -special handling may apply, see
www.dtsc.ca.gov/hazardouswaste/perchlo rate. When the vehicle or
parts of the restraint system including airbag modules safety be lts
with pretensioners are scrapped, a ll applicable laws and regu la ­
tions must be observed. Your authorized Audi dealer is familiar with
these requirements and we recommend that you have your dea ler
perform this service for you. •
Additional accessories,
modifications and parts replacement
Additional accessories and parts
replacement
Al ways consult an authorized Au di de aler befo re
purchasing accessories.
Your vehicle incorporates the latest safety design features ensuring
a high standard of act ive and passive sa fety.
This safety could be compromised by non -approved changes to the
vehic le . Fo r th is reason, if par ts have t o be re p laced, please observe
the fo llowing points when insta lling additional accessories:
Approved Audi accessories and genuine Audi parts are available
from autho rized Audi dealers . .,_
Vehicle care Do-it-yourself service Tec hn ica l da ta

___ A_l.:,. p _h_ a_ b_e _t _ic _ a_l _in _ d_e _x ____________________________________________ _
Cargo net .... .... ...... .. ... ..... ... 85
Catalytic converter . . . . . . . . . . . . . . . . . . 198
Center armrest . . . . . . . . . . . . . . . . . . . . . . 81
Centigrade Switching between Centigrade and Fahrenheit ..................... 103
Central locking panoramic sliding sunroof closing .. . 49
Certification . . . . . . . . . . . . . . . . . . . 268, 307
Changing a flat tire ...... .... ....... 272
Changing engine oi l .. .... .... .... ... 231
Chassis Undercoating . . . . . . . . . . . . . . . . . . . . 213
See also Audi magnetic ride
Checking 115
Engine coolant level .. .... .... .... 233
Checking tire pressure ...... ........ . 250
Child restraint
Danger of using child restraints in the
front seat . . . . . . . . . . . . . . . . . . . . . . 149
Child restraints What types of child restraint anchors are available? ... .... .... ......... . 182
Where can I get additional information
about child restraints? ... .... .... 183
Child safety ...... ... .... .... ... 169, 174
Additional information .... .... .... 186
Booster seats . . . . . . . . . . . . . . . . . . . . 177
Convertible child safety seats . . . . . . 175
Convertible locking retractor . . . . . . . 179
Important safety instructions for using child safety seats .. ......... .... 172 Important things to know when driving
with children ................... 169
Infant seats ..................... 174
Installing a child restraint using the
LATCH system . . . . . . . . . . . . . . . . . . 185
Lower anchorages . . . . . . . . . . . . . . . . 184
Mounting and releasing the anchorage
hook .... .... ... ........ .... ... 186
Older children and safety belts . .... 178
Safety belts and ol dler children .... . 178
Tether anchors .... .... .... ... ... 186
Tether strap .... ... .... .... .... .. 187
Which restraint system should my o lder
child wear? .. .... .... .... ...... 178
Child safety lock ..................... 44
child safety seat LATCH system . .... .... .... .... .. 185
Child safety seats ... ........... ..... 174
Convertible locking retractor . ...... 179
How do I properly install a child safety
seat in my vehicle? .. ...... .... .. 172
Installing .... ...... ... .... .... .. 179
Safety instructions . . . . . . . . . . . . . . . 172
Cleaning Alcantara (synthetic suede) . .... ... 216
Engine compartment ... .... ...... 217
Fabrics and fabric coverings ..... .. 213
Instrument panel .. ... .. .... .... .. 214
Interior .. .... .... ..... .... .... .. 213
Leather .. .... ... .......... ...... 215
Plastic and vinyl ................. 210
Plastic parts ............... ... ... 214
Safety belts .. .... .... ... ..... ... 217 Trim
strips .... ........ .. . .. .. .. . 209
trim strips .. .... .... ... .... .... .. 210
Cleaning and protection ............. 206
Climate controls .. ........ .... .... ... 98
Air distribution .... .... ... .... ... 103
Air outlets ... .. .... .... .... ...... 104
Air recirculation ... ...... ... ...... 103
Air recirculation mode (manual) ... . 102
AUTO (standard setting) .. .... ... .. 101
Automatic air recirculation ........ 102
Controls . ........... .. .... .... .. 100
Defrosting/defogging .. ........ ... 101
Description .... ........ ....... .... 98
Fan ........ ... .. .... .... .... ... 103
Key-coded setting ..... ... . ....... 105
Recommended settings .... .... .... 98
Setting the temperature .... .... ... 101
Switching between Fahrenheit and
Centigrade ... .... .... ... .... ... 103
Switching the air conditioning on and off 101
Using the climate control economically . .
104
Warm and cold ... .... .... .... ... . 98
Clock . .... .... ............... ........ 9
Coat hooks . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Co ld tire inflation pressure . ..... ... .. 247
Coming -home -function .. ...... ... ... . 56
Compartments in the door trims ... ... . 96
Compass mirror .. .... ....... .... .... 72
Compliance ........................ 307
Consumer Information .......... . 135, 303
Contacting NHTSA ... .... .... .... ... 135

Alphab eti ca l ind ex -
-------------=----
Convenience close/open feature
Windows . .... .... .... ... ... ..... . 47
Convertible child safety seats
How do I properly install a convertible
ch ild seat in my vehicle? . ...... .. 175
Safety instructions .. ... .... ... .. . 175
Convertible locking retrac tor
Activating ... ... ... .. ... ... .. .... 181
Deactivating .. .... .... ... ... ..... 182
Using to secure a child safety seat 179, 181
Coolant system . .... .... .... .... ... . 232
Cooling System Expansion tank ... ................ 233
Cornering light .... .... .... .... .... .. 55
Cruise contro l ...................... 113
Changing speed .................. 114
Presetting your speed ... .... .... .. 114
Swi tching off .. ...... .... ... .... . 114
Swi tch ing on .. ...... .... ....... . 113
Warning/indicator lights . ... .. .... .. 14
Cup holder .......................... 92
Cup holders front ......... ...... ...... ..... .. 91
Current fuel mileage .... .... ... .. .. .. . 22
D
Damping
See Audi magnetic ride .. .... .. .... 115
Data .. .... ... ... .. .... .... ... .... . 300
Data recorder ....................... 190
Date display ... .. ... ... .... ... .... .... 9
Controls and equip­
ment Safety first
Daytime running lights
.. ... .... .... .. . 54 Driver information system
Daytime running lights (Canada) .. .. ... . 55 Gearshift indicator
..... .. .... .... .. 19
Dec laration of compliance Menu button ..
........ .... ...... .. 25
Ce ll phone package ............... 307 Open door or front lid warning .
.... . 18
Electronic immobilizer ............ 307 Outside temperature display
.... .... 18
Home link® universal remote control 307 Red symbols
...... .... .. . .. .. .... . 28
Remote control key ...... .. .. .... . 307 Setting
... .... .... .... ... .... ..... 26
Tire pressure monit oring system . ... 307 Sound system disp
lay ........ ... .. . 18
Dec laration of conform ity ... .... .... . 268 Trip compu
ter ... .. .... ... .... .... . 22
def yellow symbols .
...... .... .... ..... 29
What does this mean when it appears in Dr
iver seat
t he trip odometer d isplay? .. ...... . 10
See Seating position ... ... .... .... 128
Defective light bulb warning . .......... 33 Driving safely
....................... 126
Defogg ing the windows ... .. .... .... . 10 1 Dup
lica te key . ...... .... ... .... .... .. 35
D efrosting the windows .. ... ..... ... . 101
Defrosting/defogging windows .... .... 104
E
Determining correct load limit . ...... . 252
Elapsed time .. ...... .... ... .... .... . 22
Digita l clock ..... .. .... .... .... ...... . 9
Setting the time ............. ... .. .. 9
Digita l compass . .... ... .... .... .... .. 72 Electrically heated front seats
......... 105
Electro -mechanical power assist . ... 16, 195
Electronic differential lock
Dimensions . ..... ... .... .... .... ... 299
Warning/indica tor lights .... .... .... 16
Dipstick Electronic differential lock (EDU
Reading the dipstick properly ..... . 229
How the system works .... .... .... 191
Direct Shift Gearbox
Emergency release ... .... .... .... 1 23
Distance . .... ... ...... ...... .... .... 23 Elect
ronic immobilizer . ...... .... .. 10, 37
Electro nic power contr ol
EPC warning/indicator light ... .... .. 13
Doors, power locks .. ... .... ..... ... .. 40
Electronic speed limiter ............... 21
Driver information ...... .. .... .... ... . 29
Driver Information System
Menu display . ...... .. .... ..... .. . 23 Electronic Stability Program
...... ... . 190
Electron ic stabil ization program (ESP)
Warning/ind icator lights .... .... .... 13
Emergency flasher Warning/indicator lights .... ...... .. 14
Vehicle operation Vehicle care Do-it-yourself service Technical data

-Al
phab eti ca l ind ex
_.:_.__ ____ _...::.:...::..;.:___ ________________ _
Emergency flashers . . . . . . . . . . . . . . . . . . 58
Eme rgency operation
panoramic sliding sunroof . .... ..... 49
Rear lid . .... ... .. .... .... ...... .. 43
Emergency release for selector lever . . . 123
Emergency starting . . . . . . . . . . . . . . . . . 287
Emergency towing . . . . . . . . . . . . . . . . . . 292
Engine 4-cylinder (200 hp) ..... ... .... ... 226
6 -cylinder (250 hp) ............... 227
Coolant .......... .... ....... .... 232
Hood .... ... .. ...... .... ... .... . 224
Starting .... .... .... .... .... 108, 109
Starting with jumper cables ...... . 287
Stopping ... .... .... .... ........ 109
E . ngine compartment . .... .... .... .. .
Safety instructions ...... .... .... .
226
225
Working in the engine compar tment 225
Engine coolant system .............. 232
Adding coolant .... .... .......... 234
Checking coolant level .... .... .... 233
Checking the engine coolant leve l .. 233
Radiator fan . . . . . . . . . . . . . . . . . . . . . 235
Engine coolant temperature
Gauge .............. .............. 9
Engine cooling system
Malfunction ...... .... ....... .... . 30
E . d ngine ata ...... .... ........... .. . 300
Engine hood Closing ......................... 225
Release lever . ............... .... 224
R I . d . e easing an opening .... ... ... .. 224 Engine
oil .... ...... ........ ... .... . 227
Adding ...... ... .. .... .... ...... 230
Additives ....................... 230
Changing .. ............. ........ 231
Check ing the engine oil level .... ... 229
Indications and conditions requiring extra checking .......... ...... ...... 229
Oil consumption ................. 229
Oil grades . .... ...... ... .. .... ... 227
Recommended oil check intervals .. 229
Specification and viscosity ........ 227
Engine oil level ... ..... .. ...... ...... 32
Engine oil pressure (malfunction) ... .. . 31
Engine oil sensor defective ............ 32
Engine speed limitation .. .... .... .... . 32
Environment
B k. . d
rea -in peno .... .... .... .... . . 197
Catalytic converter . . . . . . . . . . . . . . . 198
Disposing of your vehic le battery ... 237
Driving at high speeds . . . . . . . . . . . . 199
Driving to minimize pollution and noise .
199
Fuel ............................ 221
Fuel economy . . . . . . . . . . . . . . . . . . . 199
Leaks under your vehicle . .... ..... 225
Letting the vehicle stand and warm up ..
200
Proper disposal of drained brake fluid
236
Proper disposa l of
di ra ined engine
coo lant .. .... ... .... .... .... ... 234
Proper disposa l of drained engine oil
230,231
Recycling used engine oil .. .... ... 230 Unleaded fuel
...... ... .. ... .... . 219
What should I do with an old battery?
237
EPC
See Electronic power control . . . . . . . . 13
ESP
See Electronic Stability Program .... 190
Event Data Recorder (EDR) ... .... .... . 190
Expans ion tank 233
F
Fahrenheit
Switching between Fahrenheit and Centigrade . .... .. ... ... .... .... 103
Fan Adjusting the fan speed .. .... .. .. . 103
Cl imate controls ...... ...... .... . 103
Radiator .... .... .... ... .. .... .. . 235
Fastening eyes ... ........ .... .... ... 84
Flat tire Changing ....................... 272
Floor mats . ....... ..... ... .... .... . 132
Fog lights, front ...... .... ... ... ... .. 56
Folding master key with remote control . 35
Foot pedals . ... .. .... .... ...... .... 132
For the sake of the environment
Gasoline fumes and the environment 221
Letting your engine warm up . ..... . 109
Reducing engine noise by upshifting
early ... .. .... .... ... .... .... .. 8, 9
Refueling .. ........... ........ .. 221

Alphabetical index -
-------------=----
Saving fuel by upshifting early ... .. 8, 9
Using the rear window defogger .... 105
Front airbags
Description ... ....... .... .. . .... . 151
How th ey work . . . . . . . . . . . . . . . . . . . 156
Front seats ......... .... ... .... ...... 74
Adjusting ................... .... 129
Adjusting the manual seats .. .. .... . 76
Child restraints in the front seat .. .. 149
Heated seats . . . . . . . . . . . . . . . . . . . . . 105
Fronta l collisions and the laws of physics
138
Fuel Current fuel mileage ........... .... 22
Fuel gauge ...... .... .... ...... ... 10
Fuel supply too low ...... .... .... .. 32
Fuel filler f lap
Unlocking the fuel filler flap by hand 223
Fuel gaug e .... .... ...... .. .... ..... . 10
Fuel range .. .... .... .... .... ... .... . 22
Fuel supply Additives . .... .... .... ... ..... ... 219
Blended gasoline ... .. ........ .... 219
Fuel filler neck ... .... .... ........ 220
Fuel gauge ...... .... .... ........ . 10
Fuel tank capacity ........... .. 10, 220
Gasoline ... .. .... .... ........... 219
Gasoline additives . ... .... ....... . 220
Octane rating . .... .... ... .... .... 219
Recommendation . .. .. .. .... .... . 219
Refu elling .... ..... ... ..... .. ... . 221
Unlocking the fuel filler flap by hand 223
Controls and equip­ ment Safety first Fuel
tank
Capacity . .... ...... ........ ..... 220
Capacity (gal lons/liters) ...... ... .. .. 10
Fuse arrangemen t ... .. .. .... ... .... . 281
G
Gas discharge lamps .. .. ..... .. .... . 285
Gauges Engine coolant temperature .. ..... ... 9
Fuel gauge ... .. .... .... .. .. .... .. 10
Speedometer ... ...... .... .... .... 10
Tachometer .......... .... ... .... .. 8
Trip odometer . ................... 10
Gear recommendation ..... ...... .... . 19
Gearshift indicator .. ...... .... .... ... 19
Gearshift lever ........ ... .... ....... 116
Genera l illustration
Instruments and controls . .... .... ... 7
Generator Warning /indicato r lights .. .. .... .... 14
Glossary of tire and loading terminology .. .
244
G love compartment ... .. .... ... .... .. 95
Light .... ... ... .. .... .... ........ 60
Gross Vehicle Weight Rating (GVWR) ... 299
H
Head restraints ........ ...... ... .... 131
Adjusting ... ... ................. 131
Rear seats ... ... .. ........ ........ 80 Headlight
defective . .... .... .... ...... ... .. . 33
Head light range control
defective ..... .... .... .. . ......... 33
Headlights ... ... ...... ..... .. ...... . 52
adaptive light ..... .... ....... ..... 55
Front fog lights . ..... .. ............ 56
Switching off . ... .... .... .... .. .. . 52
Switching on ...... .... .. .. .... .... 52
Washer system .. ...... ... .... .. . .. 66
Heated rear window ..................... 105
Heated outside mirrors ... .... ... ... ... 70
Heated washer jets
Wiper and washer system ........... 63
Heavy clothing and safety be lts .... .... 140
High beam ... .... ..... .. .... ..... 5 2, 59
Warning/indicator lights .. .... .... .. 14
High vo ltage warning label . ...... .... 298
Hi ll Descent Assist .... ... .... .... .... 120
Hill hold assist Starting on hills ... ... ... .... .... . 111
hood
See Engine hood ..... .... .... .... 224
Hood re lease .... ..... .. .... .... .... 224
Horn ... .... .... .... ... .... .... ..... . 7
How many airbags does my vehicle have? ..
154
How often shou ld I check my tire pressures?
251
How safety belt pretensioners work .. .. 145
Hydroplaning ...... .. ...... .... .... . 255
Vehicle operation Vehicle care Do-it-yourself service Technical data