cooling AUDI A3 2012 Owner´s Manual

& WARNING
-The cooling system is under p ress ure and
can get very hot . Reduce the risk of
sca ld ing from hot coo lant by following
these steps.
- Tur n off the engine and a llow it to cool
down.
- Protect your face, hands and arms from
escap ing flu id and steam by cover ing
the cap wi th a large, thick rag.
- Tu rn the cap slowly and very ca refully
i n a cou nte r-clockw ise d irect ion w hile
ap ply ing ligh t, downw ard press ure on
the top of the cap.
- To avo id being burned, do no t sp ill an­
tifreeze o r coolan t on the exhaust sys­
tem or hot engine parts. Under certa in
conditions, the ethylene glyco l in en­
gine coolant can catc h fir e.
- An tifreeze is poisonous . Always store an ­
tifreeze in its or iginal co ntainer and we ll
o ut o f the reach of children.
- If you drain the coolant, it must be
caught and safely stored in a p roper con­
tainer clearly marked "poison".
(D Note
- Coolant po llutes the env ironment and
could cause an engine fire. Excess coo l­
ant wi ll be forced out throug h the pres ­
su re re lief va lve in the cap when the en­
gine becomes hot.
- If, in an emergency, only water can be
added, the cor rect ratio between water
and antifreeze
c:> page 203 must be re­
stored as soon as possib le.
@) For the sake of the environment
Drained coolant shou ld n ot be re used. Al­
ways dispose of used coolant while obse rv­
ing all environmental regulations.
Checkin g and fillin g 205
Radiator fan
The radiator fan switches on automatically by
itself .
The electric radiator fan is controlled by ther­
moswitches t hat sw itch on a nd off depending
o n coo lant and eng ine compartment tempera ­
tures .
An a uxiliary electric radiator fan* sw itches on
and off depending on coolant temperature
and othe r vehicle operat io n conditions.
After switching off the eng ine, the auxiliary
fan -even with the ignition off -can continue
runn ing for up to 10 minutes. It ca n even
switch on aga in later by itself
c:> A , if
- the temperature of the engine coo lant rises
due to the heat build-up from the engine in
the engi ne compartment , or
- the engine compa rtment heats up because
the vehicle is parked in intense sunlig ht.
& WARNING
- To reduce the risk of personal in ju ry nev­
er touch the radiator fan .
- The auxiliary electric fan is temperature
contro lled a nd can switch on suddenly
even when the engine is not ru nning.
- The a uxiliary radiator fa n sw itches on a u­
tomatically when the engine coo lant
reaches a certa in te mpera tu re and w ill
con tinue to ru n until t he coo lant temper­
a ture drop s.
•
•

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