182 Intelligent technology
You can compensate for this slightly reduced
braking power by pushing harder on the brake
pedal. Avoid heavy braking loads d uring the
break-in per iod.
Operating condition s and d riv ing hab it s
The brakes on today 's automob iles are st ill
subject to wear, depending largely on operat
ing conditions and driving habits¢.&. . On
vehicles that are either driven mostly in stop
and-go city traffic or are driven hard, the brake pads should be checked by your author
ized Audi dealer more often than specified in
the
Warra nty & Maint enance booklet . Failure
to have your brake pads inspected can result in red uced b rake pe rformance.
On steep slopes, you should use the brak ing
effect of the engine . Th is way, you prevent un
necessa ry wear on the brake system. If you
must use yo ur brakes, do not hold the brakes
down continuously . P u mp the brakes at inter
va ls.
Operating noise
Noises may occur when braking depending on
the speed, braking fo rce and outside condi
tions s uch as temperature and humidity .
Effect of w ater and ro ad s alt
In certain situat ions, for example after driving
through water, in heavy ra in, after overn ight
condensat ion or after washing your car, the
b rak ing effect can be reduced by moistu re or
ice on the bra ke roto rs and b rake pads . The
b rakes must be dried fi rst with a few caref ul
b rake app lications .
At higher speeds and with the w indshield w ip
e rs turned on, the brake pads press agains t
the brake rotors for a short amount of time.
This occurs at regular intervals without the
driver noticing and provides for better brake response time under wet condit ions.
The effectiveness of the brakes can be reduced
when the vehicle is driven on a salt-covered road and the brakes are not used. Likewise,
you clean
off accumulated sa lt coating from brake d
iscs and pads with a few cautio us ap
plications of the brake
Q ,&. .
Corrosion
The re may be a tendency for dirt to bu ild up
o n the brake pads and corros io n to fo rm on
the d iscs if the car is not driven regu la rly or
only for short trips with litt le use of the
brakes.
If the brakes a re not used frequently, o r if cor
rosion has formed on the discs, it is advisable
to clean
off the pads and discs by braking
firmly a few times from a moderately high
speed
c> &. .
Faults in the brak e syst em
If you shou ld no tice a sudden increase in
brake pedal trave l, then one of the two brake
ci rcuits may have fai led
c> &. .
Lo w brake fluid lev el
Malfunctions can occu r in the bra ke system if
the b rake fluid level is too low. The brake f lu id
level is monitored electronically.
Brake booster
The brake booster increases the pressure that
yo u generate with the brake peda l. It works
o n ly when the engine is running .¢
&
Brake lining we ar status
Brake lining wear may be checked by visual in
spect ion of the condition of the brake pads
through the open ings in the wheel. If neces
sary, the wheel may be removed for th is i n
spect io n ¢
page 249, Changing a wheel.
_&. WARNING
- New brake pads don't have the bes t stop
p ing power and m ust be "bro ken-in" dur
ing the initial 100 to 150 miles (150 to
200 kilometers) of normal city driving.
You can compensate for this by pressing
the brake pedal more firmly. Th is also
applies later when new pads are instal led.
188 Driving and en vironm ent
8_ WARNING
After driving through water, mud, slush,
etc ., the brakes may be slow to take effect
because of wet brake rotors and pads. Dry
the brakes first by braking carefully to re
store the full braking effect.
CD Note
Vehicle components such as the engine,
transmiss ion, suspension or electrical sys
tem can be severely damaged by driving
through wate r.
@ Tips
- Check the depth of the water before dr iv
i ng through it.
- Do not stop the veh icle, dr ive in reverse
or switc h the engine off when driving
t hr ough water.
- Keep in mind that oncoming vehicles
may c reate waves that raise the water
l evel and make it too deep fo r you r vehi
cle to dr ive through safely.
-
- Avoid dr iving thro ugh salt water because
i t can ca use corrosion.
Catalytic converter
It is very important that your emission con
trol system (catalytic converter) is function
ing properly to ensure that your vehicle is run
ning in on environmentally sound manner.
,,. Always use lead-free gasoli ne¢ page 207,
Fuel supply .
,,. Never run the tank down a ll the way to
empty.
,,. Never put too much motor oil in your en-
gine ¢
page 217, "t':::r. Adding engine oil.
,,. Never t ry to push- o r tow-start your veh icle.
The catalytic converter is an effic ient "clean
up" device built into the exhaust system of
the vehicle. The catalytic converter burns
many of the polluta nts in the exhaust gas be
fore they are released into the atmosphe re. The exclusive
use of unleaded f uel is critica lly
important for the life of the catalytic convert
er and proper funct ion ing of the eng ine .
A WARNING
= -
-Do not park or operate the vehicle in
areas where the hot exhaust system may
come in co ntact with dry grass, brush,
fuel spill or other material wh ich can
cause a fire .
- Do not app ly additional undercoating or
r u stp roofing on or nea r the exhaust
manifold, exhaust pipes, cataly tic con
ver ter or heat shields. Dur ing driv ing, the
substance used for under coa ting co uld
overhea t and cause a fire.
CD Note
- Be aware that just o ne tank filling with
leaded fu el w ill already ser io usly de
gr ad e the per form ance o f the catalytic
c onverte r.
- Do not ex ceed t he corre ct engine oil level
r:;!) page 217.
- Do not drive until the fuel tank be co m es
completely emp ty. The engine co uld mis
fire . Unburned fuel could also get in to
the exhaust system and this co uld cause
the cata lytic converter to overheat .
- Do not turn off the igni tion whi le the ve
hicle is mov ing.
- Do not contin ue to ope rate your veh icle
unde r these conditions, as otherwise fuel
can reach the catalyt ic converte r. T his
co uld resu lt in overheating of the con
verter, requir ing its replacement.
- To assure efficient operation of the Emis
sion Control System:
- H ave you r vehicle maintained p rope rly
and in accordance w ith the se rvi ce rec
ommen dat ions in yo ur Warranty &
M ain tenance boo klet.
- L ack of prope r maintenan ce as we ll as
i mprope r use of t he ve hicl e wi ll impair
the func tion of the em ission cont ro l
system and could lea d to damage .
Ill>
CD Note
Do not lift the vehicle by the sill. Position
the vehicle jack only at the designated lift
ing points on the sill. Otherwise , your vehi
cle will be damaged.
Taking the wheel off/installing the spare
tire
Follow these instructions step -by -step for
changing the wheel.
Fig . 195 Ch ang ing a w hee l: us ing the sc rewdriver han
d le (with the blade removed) to turn t he bo lts
Fig . 196 Ch ang ing a w hee l: al ig nme nt pin inside t he
top hole
After you have loosened a ll wheel bolts and
ra ised the veh icle off the ground, remove and
replace the wheel as follows:
R emoving th e wheel
.. Remove the topmost wheel bo lt completely
with the
he xagonal sock et in the screwdriv
er handle (vehicle tool kit)
¢ fig. 195 and
set it as ide on a
clean surface.
.. Screw the threaded end of the
alig nm ent
pin from the tool kit hand -tight into the
empty bolt hole
¢ fig . 196.
.. Then remove the other wheel bo lts as de
scribed above.
What do I d o now ? 253
.. Take off the wheel leaving the alignment
pin in the bolt hole ¢(D.
Putting on th e spar e tire
.. Push the spare tire over the alignment p in.
.. Sc rew on the wheel bo lts and tighten them
slightly us ing the hexagonal socket .
.. Remove the alignment pin and insert and
tighten the rema ining wheel bolt slightly
like the rest.
.. Turn the jack hand le counter-clockwise to
lower the veh icle until the jack is fully re
leased .
.. Use the wheel bolt wrench to tighten all
wheel bo lts firm ly
¢page 251. Tighten
them
in a crisscross pattern, from one bolt
to the (approximately) opposite one, to keep
the wheel centered .
.. Perform the steps required after changing
the whee l¢
page 250, After changing o
wheel.
T he hexagonal socket makes it easier to re
move t he wheel bolts from the rim . Care
shou ld be taken when removing the reversib le
blade .
CD Note
When removin g or i nstalling the whee l,
the r im cou ld hit the brake rotor and dam
age the rotor. Work carefully and have a
second person to help you.
{l) Tips
- When mounting tires with unidirection al
tread de sign
make sure the tread pat
tern is po inted the right way
¢ page 254.
-The wheel bolts shou ld be clean and easy
to turn. Check for dirt and corrosion on
the mating surfaces of both the wheel
and the hub . Remove all d irt from these
surfaces befo re remounting the whee l.
- Do not use the hexagonal socket in the
sc rewd river handle to loosen or t ighten
t he whee l bolts .
Automatic climate control Air vents ... .... .. .... ... .. .. .. .... 72
Operation . ..... ...... ... .. .. .. .. .. 71
Setup ... .. ................. .. .... 73
Automatic power top . . . . . . . . . . . . . . . . . 42
Automatic S hift Lock (ASL) ...... ... ... 87
Automatic transmission . . . . . . . . . . . . . . . 86
Automatic Shift Lock (ASL) . . . . . . . . . . . 87
Driving ... . ............. .... .. .. .. 88
Emergency mode . . . . . . . . . . . . . . . . . . . 92
Emergency release ........... .... ... 92
Kick-down . . . . . . . . . . . . . . . . . . . . . . . . . 9 1
M anual sh ift program ..... .. .. .. .. .. 90
multitronic . . . . . . . . . . . . . . . . . . . . . . . . 86
Remov al lock ( ignition key) . .. .. .. .. .. 75
Selecto r lever . . . . . . . . . . . . . . . . . . . . . . 86
S tron ic .. .. ... .. ..... ... .. .. .. .... 86
tiptronic . . . . . . . . . . . . . . . . . . . . . . . . . . 86
Automatic wipe rs .......... .. .. .. .. .. 57
Auto Safety Hotline ........ .. .. .. .. . 129
Average speed . . . . . . . . . . . . . . . . . . . . . . . 25
Avoid damaging the vehicle ...... . ... . 187
B
Battery . . . . . . . . . . . . . . . . . . . . . . . 17,222
Battery locat ion inside the luggage com-
pa rtment .. ................ ... ... 223
C harging . .. ............. .... .. .. . 225
I mpor tan t warn ings when work ing o n
the bat tery .... .. ..... ... .. .. .. ... 223
Ju mp starting ... ...... ... .. .. .. ... 259
L ow ..... .. ... .. .. ..... ... .. .. ... 185
Replacing the battery ..... .. .. .. .. . 226
State of charge ........... .... .. .. . 185
W inter operation ......... .. .. .. .. . 222
Working on the battery ........ ... .. 223
Before driving . .. .. ..... ... .. .. .. ... 121
B elt positioner ............ .... .. ... 135
Bio-ethanol (Fue l) .......... .. .. .. .. . 208
Blended gasoline .. ..... ... .. .. .. .. . 20 7
B lower (automatic climate cont rol) . . . . . . 72
Body cav ity sealing ......... .. .. .. .. . 201
B ooste r seats .. ........... .. .. .. ... 169
Brake flu id
Changing the brake flu id .... ... . ... . 222
Checking the brake fluid level ... .. .. . 22 1
Inde x 275
Rese rvoir ... .... ... .. .. ..... ... .. 221
What is the correct brake fluid level? .. 221
What shou ld I do if the brake fluid wa rn -
ing light comes on? ................ 221
B ra ke system .. .. .. ................. 221
Anti -lock braking system ..... ... .. .. . 19
B rake assist system . . . . . . . . . . . . . . . . 179
Brake fluid . ... .. .. .. .. ...... ... .. 221
Brake fluid specifications for refill and re-
placeme nt .. .. .. ................. 222
Brake light defective ................ 21
Bra ke powe r ass ist unit . .... ... ... .. 181
B ra kes ....... ... .. ............... 181
Ce ram ic bra kes . .. ................. 181
El ectromech ani ca l par king br ake . .. .. . 80
Warning/ind icator lights ..... ... .. .. . 15
Worn b rake pads symbo l ..... ... .. .. . 20
B rak ing
E mergency bra king f unct io n ..... .. .. . 82
braking guard . .. .. .. ............... . 94
Messages . .. .. .. .... ... .... .... .. 101
Settings ........ .. ..... .......... 101
Break-in per iod . ..... . .. .. ..... ... .. 187
Tires ....... .. .. .. . .............. 187
Bul bs ...... .. .. .. .. .. ........... .. 258
C
Califor nia Proposition 65 Warn ing ... .. 213
B attery spe cific .. ............. .... 224
Capacities .. .... .. ................. 267
Car care . ... .. .... .. . .. .. ..... ... .. 194
Interior ... .. .... .. . .. .. ..... ... .. 201
Plastic and vinyl ...... ............. 199
Care of ex terior .. .. .. ............... 19 4
Cargo a rea
refer to L uggage compa rtmen t. . . 68, 127
Catalytic converter ... . ... .... ... .. .. 188
Center armres t . . . . . . . . . . . . . . . . . . . . . . 64
Central lock ing .. .. ................. . 31
Central lock ing switch . .. ...... .... .. 3S
Convenience key .. .. .. .. ...... .... .. 35
Remote cont ro l key . . . . . . . . . . . . . . . . . 34
Ceram ic brake rotors
New brake pads .. .. ........... .... 181
Certif ication . ..... ... .. .. ..... ... .. 272
Chang ing a flat t ire ... . .. .. .. ... ... .. 249
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