2009 AUDI TT COUPE wheel

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ABS operation
When a vehicle speed of about 10 mph (20 km/h) is reached, an au to ­
matic test sequence is run. Some noise from the pump may be
audible .
I f the speed of a whee l slows down too much relative to vehic le
speed and it starts to lock, brake pressure to this wheel is reduced.
This adj ustment process can be felt as a
pulsing motion of the brake
pedal ,
accompanied by some no ises. You as the driver are intention­
a lly being given the infor mation tha t the wheels are tending t o lock
(ABS control range). In order for ABS to be ab le to operate optima lly
in this range, you must keep the b rake pedal depressed -do not
"pump the brakes".
Brake assistant
The brake power assist un it increases the pressure that you
genera te wi th the brake pedal. I t wo rks only when the e ngine is
running.
Automatic full braking
T his function al lows fu ll bra king in spite of high brake pedal forces
(e .g. whe n the brakes are seve rely s tressed beca use the veh ic le is
fully loaded) . T he driver not ices this function through a reduction of
pedal force a nd increased pedal t ravel. When the brake peda l is
re leased, fu ll braking assist switches off again automatically .
If there is an ABS failure, the brake assistant and automatic fu ll
brak in g ass ist are not available.
& WARNING
• ABS cannot suspend the la ws of physic s. You should keep this
in mind in parti cular on an icy or wet road . If ABS control of braking
intervenes , you should adjust your speed immediately to road and
traffic condit ions . Do not be tempted by the increased safety
provided to take risks -danger of an accident.
• Please keep in mind that the risk of an accident is increased by
driving too fast , particularly in bends and on icy or wet roads , and
& WARNING (continued )
by driving too close to the vehicle ahead . The increased risk of an
accident cannot be redu ced by the brake a ssistant -danger of an
accident .
[ i ] Tips
If a ma lfunction occurs in the ABS, this is signalled by an indicator
l ight, se e =>
pag e 20.
E ectro-mechan-;cal power assist
The electro -me chanical po wer assist helps the driver
w hen steering.
The degree o f pow er assis t is electronically matched t o ve h ic le
speed .
The power stee ring system as sists the driver so that he can steer the
vehic le with reduced physica l effort.
P ower steering wil l not work if the engine is off. As a result, the
s te eri ng wheel wi ll be hard to turn .
& WARNING
If the system develops a problem , you must seek qualified profes ­
s ional assist ance .
0 Note
If there is an electronic ma lfunction, servotronic wi ll st ill function
li ke a conve ntio nal power stee rin g system, prov iding a constant
steering support force that is no longer proportionate to the vehicle
speed. This is most no ticeable when turni ng the s teering wheel at
l ow speeds (for examp le when parking), -more effort will be
r e q uired than usual. ._

• Be aware of the different than usual steering response and
adjust your steering force accordingly.
• Have the problem checked and set right by an authorized Audi
dealer as soon as possible.
• If a steering malfunction occurs, this is signaled with the or.
~ indicator lights and a warning tone, see.
[ i] Tips
• If the power steering system should fail, or if the engine is not
running (for example, while being towed} , you will still be able to
steer the vehicle. However, more effort will be required to do so.
• If the power steering system is not functioning properly, contact
your authorized Audi dealer immediately.
Ap plies to vehicles : w ith A ll Wheel Drive
0 iving w i h your quattro®
With All Wheel Drive, all four wheels are driven.
General information
With All Wheel Drive, power is distributed to all four wheels. This
happens automatically depending on your driving style and the
road conditions at the time. See also=> page
184, "Electronic differ ­
ential lock (EDU".
Winter tires
When driving in the winter , your vehicle with All Wheel Drive has an
advantage, even with regular tires. In winter road conditions it may
be advisable to mount winter tires (or all-season tires} for improved
driveability and braking : these tires must be mounted on all four
wheels. See also=> page 250, "Winter tires".
Controls and equip­ ment Safety first Vehicle operation
Intelligent technology
Snow
chains
Where tire chains are mandatory on certain roads, this normally
also applies to vehicles with All Wheel Drive=> page 251, "Snow
chains".
Replacing wheels/tires
Vehicles with All Wheel Drive must always have tires of the same
size. Also avoid tires with different tread depths . For details see
page => page 246, "New tires and replacing tires and wheels".
Off-Road driving?
Your Audi does not have enough ground clearance to be used as an
off-road vehicle. It is therefore best to avoid rough tracks and
uneven terrain as much as possible. Also refer to=> page 192.
& WARNING
Always adjust your driving to road and traffic conditions. Do not
let the extra safety afforded by All Wheel Drive tempt you into
taking extra risks.
• Although the All Wheel Drive is very effective, always
remember that braking capacity is limited by tire traction. You
should therefore not drive at excessive speeds on icy or slippery
road surfaces.
• On wet road surfaces, be careful not to drive too fast because
the front wheels could begin to slide on top of the water (aqua­ planing}.
If this should occur, you will have no warning from a
sudden increase in engine speed as with a front-wheel drive
vehicle . Always drive at speeds which are suited to the road condi­
tions. -risk of crash. •
Vehicle care Do-it-yourself service Technical data

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Cleaning and protection
General information
Regular care preserves vehicle value.
Any automobile is exposed to industrial fumes, corrosive road salt,
muddy dog feet, etc . A wel l cared for Audi can look like new many
years after purchase. Regu lar and correct ca re will contribute to
maintaining the beauty and value of your Audi.
Furthermore, good care may be a conditi on for substantiating a
war ranty claim should co rros ion d amage or p aint defec ts occur .
Your authorized Audi dealer has a variety of dedi cated vehicle- care
product s
and can advise whic h ones to use for cleaning the exterior
and interior of your vehicle.
Whether you use p roducts recommended by Audi or other commer ­
cially availab le cleaning agents , please make sure you apply them
correctly.
& WARNING
• Cleaning agents may be poisonous . Keep them out of the reach
of ch ildren .
• Heed all caution label s.
• Alway s read directions on the contai ner before u sing any
produ ct. Follow the di rection s carefull y.
• Most chemical cleaner s are concentrated and have to be
d iluted .
• Use s pot removing fluids only in well ventilated area s.
• Do not us e gasoline , ker osene , die sel fuel , nail polish rem over
or oth er volatile fluid s. They may be toxi c, flammable or ha zardous
in other way s. Do n ot w ash, wa x or dry the vehicle w it h the igni ­
tion on or the engine running.
& WA RNIN G (conti nued)
• Do not clean the under side s of chassis , fe nder s, wheel cove rs,
etc . without protecting your hands and arm s. You may cut yourself
on sha rp -edg ed metal part s.
• Moisture and ice on brakes may impair braking eff iciency
=> page 186 , "General info rm ation ". Test the brake s carefully each
time you wa sh the vehicle.
~ For the sake of the environment
Se lect only environmenta lly friend ly c leaning products . Leftover
clean ing products should not disposed of in the household waste. •
Care of exterior
Washing
Frequent washing protects the vehicle.
Th e best protection against envi ronmental influences is frequent
washing and waxing .
H ow often t his is required depends on:
• H ow much the vehic le is used
• Where the vehicle is pa rked (garage, in the open under t rees,
etc.)
• The seasonal and weather conditions
• Environmental influences
T he longer bird droppings, insects, tree resin, road a nd industrial
grime, tar, soot, road salt and other materials remain on the vehicle
p aint, the more lasting their dest ructive effects will be . _,,,

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•
High temperatures, as from exposure to intense sunlight, intens ify
the corrosive effect particularly when humidity is high as well.
Under ce rtain circumstances , weekly washing may be necessary .
Under other conditions, a monthly washing and waxing may be
adequate.
After the winter, the underside of the vehicle should be thoroughly
washed preferably in a professional car wash.
& WARNING
Always read and heed all WARNINGS and the information
=> page 198 . •
Automatic car wash
The vehicle can be washed in almost any modern auto­
matic car wash.
The vehicle paint is so durable that the vehicle can normally be
washed without problems in an automatic car wash . However , the
effect on the paint depends to a large extent on the design of the
facility, the filtering of the wash water, the type of wash and care
material, etc. If the paint has a dull appearance after going through
the car wash or is scratched, bring this to the attention of the oper­
ator immediately . If necessary, use a different car wash .
Before going through a car wash, be sure to take the usual precau ­
tions such as closing the windows. Remove antenna if applicable .
If you have installed additional accessories on the vehicle -such as
spoilers, etc. -it is best to ask the car wash operator if these should
be remov ed.
& WARNING
Always read and heed all WARNINGS and the information
=> page 198. •
Washing the vehicle by hand
A lot of water is needed when washing a vehicle by hand.
- Before you start washing, make sure you have read and
understood the WARNINGS =:>
& in "General informa­
tion" on
page 198.
-First soak all dried dirt until it is soft, then rinse it off.
- As you clean your vehicle, start with the roof and work
your way down to the bottom, using a sponge, a sponge
glove or a clean brush.
- Rinse the sponge or the sponge glove often, flushing it
clean each time.
- Use special car shampoo only for very persistent dirt.
- Rinse the car thoroughly with water.
- Use a chamois leather to gently w ipe the exterior dry.
Use a separate sponge for cleaning the wheels , door sills and other
regions exposed to road dirt. In this way, you will not scratch the
paint with coarse particles imbedded in the sponge the next time
you wash the car.
& WARNING
• Do not clean the underside of the chassis, fenders, wheel
covers, or other hard to reach parts without protecting your hands
and arms. You may cut yourself on sharp-edged metal parts.
• Always read and heed all WARNINGS and other information
=> page 198. .,.
Vehicle care I t •

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•
T he best way to remove snow from windows and mirrors is to use a
brush . Use a non -abrasive
pla stic ice scraper -better still, a spray
deicer -to remove
ice from w indows and mirrors .
The windows must not be cleaned with insect remover or wax since
these can inter fere with the function of the w inds hie ld w iper blades
(chatter).
Oil, grease o r sil icone residue can be removed with
glass cleaner or
s ilicone remover . However, wax residue requires the use of a
spec ially for mulated solvent . Please contact your Audi dealer for
advice on safe products for wax removal.
Windows should also be c leaned on the inside at regular intervals .
Never dry windows with the same chamois that you use to dry
painted surfaces . Wax residue on the chamois can impair vision
t hrough the windows.
& WARNING
• The windshield mu st not be treated with water -repellent mate ­
rials. They c an incre ase gl are under poor v isibility conditions such
a s wetne ss, darkne ss, or when the sun i s low on the hori zon. In
addition , they can cause the wind shield wipers to chatter .
• Alway s read and heed all WARNINGS and other information
~ page 198.
0 Note
• Never use warm or hot water to remove snow and ice from
windows a nd mirrors . This could cause the glass to crack.
• T o prevent damage to the wires of the rear defogger, do not place
any adhesive stickers on the inside of the rear window over the
wires.
• T o he lp prevent dirt from scratching the window, always scrape
in a forward direction -pushing the scraper away from you -never
back and forth. •
Weatherstrips
Complete car car e includes the we atherst rip s as well .
App ly a suitable rubbe r con ditioner to the weatherstr ips
f ro m time to tim e.
To be able sea l properly, the weatherstrips around the hood, doors,
rear lid, etc . must remain pliable. Spray the weatherstrips with sili­
co ne or coat them w ith ta lcum powder or glycer ine to retain the
f lexibility of the rubber and to protect them against freezing in the
winte r.
& WARNING
Alway s read and heed all WARNINGS and the information
~ page 198.
[ i ] Tip s
Keep si licone sprays off the windshield to avoid wiper smear in
ra in .•
App lies to veh icles : with steel whee ls
Steel wheels
The wheels also h ave to be cleaned.
- Alw ays in clude the hu b caps and whee l rims when
washing yo ur vehi cle to remove road dir t, sal t sprays an d
b rake dust.
If necessary, use a commercial whee l cleaner to remove accumu ­
lated brake dust.
The wheel rims are easier to keep clean if they are reg ula rly coa ted
with l iquid wax. ..
Vehicle care I t •

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Paint scratches should be touched up as soon as possible to prevent
corrosion => page 202, "Touch -up pain t" .
& WARNING
• Moi sture and i ce on brake s may affect braking efficiency -
=> page 186 , "Gene ral inform ation ". Te st the brakes caref ully a fter
e ac h veh icle was h.
• Alway s read and heed all W ARNING S and t he infor mation
=> page 1 98. •
App lies to vehi cles : w ith Cast a lloy whee ls
Cast (light) alloy wheels
Cast (light) alloy wheels require special care.
- Wash the wheels with a spo nge or hose brush every
o ther week .
- For deep cleaning afte rwards, use only a dedicated
a cid ­
free
cast alloy whee l cleaner.
- Rub a coat of
liquid wa x onto the rims every t hree month .
Be sure to reach and treat all parts of the rim.
To preserve the decorative appearance of the cast alloy wheels,
some special care is necessary. In addition to road dirt and salt, brake dust is also corrosive . If left on for too long, brake dust can
cause pitting.
Use on ly specia l acid -free cleaners formu lated for a lloy rims . Safe
products are availab le at your Audi dealer . Never leave the cleaner
on the rims longer than specified on the label. If not rinsed off
promptly, the acid contained in some c leaners can attack the
threads on the wheel bo lts . Never use abrasive or metal polishing cleaning agents
. If the protec ­
t ive coating has been chipped, e.g . by kicked up road dirt, touch it
up as soon as possib le.
& WARNING
• Moisture and ice on br akes m ay affect braki ng effici ency
=> page 1 86, "Gen eral inf or mation ". Te st the brake s carefully each
ti m e you w ash th e vehi cle .
• Always read and heed all WARNINGS and other informa tion
=> page 198 . •
Body cavity sealing
T he body cavity se aling does not need to be checked.
All body cavities which could be affected by corrosion have been
given thorough protection at the fac tory.
This sealing does not require any inspection or additional treat ­
ment . If any wax should seep out of the cavi ty when the amb ient
temperature is high, it can be removed with a p lastic scraper and a
suitable solvent .
& WARNING
Solvents can be dangerou s.
• Ben zin e is flamm able and to xic. If you use b en zi ne for re moving
the wax, keep spark s, flame and lighted cigarette s away . Never
dump ben zine on the ground , into open st ream s or do wn sewage
dr ain s.
• Be sure to ob serve all safet y and env ironment al regul atio ns .
Follow all in stru ction s on the c ont ainer .
• Alwa ys read and heed all WARNINGS and the infor mation
=> page 1 98 . •

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surfaces, seams, joints and compon ents in the en gin e comp art ­
ment.
& WARNING
Be aware: The engine compartment of any motor vehicle is a
potentially hazardous area .
• Before working in the engine compartment, be sure to read the
information
=> page 209 .
• Before reaching into the front plenum panel, always remove the
ignition key . Otherwise , the windsh ield wiper system could unin­
tentionally be switched on , possibly causing personal injury from
the moving wiper link age .
• Never reach into the area around or touch the radiator fan . The
auxiliary fan is temperature controlled and can switch on suddenly
- even when the ignition is off.
• Do not wash, wax or dry the engine with the engine running .
Moving or hot parts could injure you.
• Do not clean the underside of the chassis , fenders , wheel
covers , or other hard to reach parts without protecting your hands
and arms. You may cut yourself on sharp -edged metal parts.
• Always read and heed all WARNINGS and other informat ion
=> page 198 . •

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When instal ling the battery, make sure the ignition and all electrica l
consumers are switched off~
0.
We recommend that you use maintenance -free or c yc le-re sis­
tant/leak -proof
batteries according to the standards TL 825 06 (from
December 1997) and VW 7 50 73 (from August 2001 ) .
Rep lacing the battery should be carried by a qualified workshop .
Please follow the instruct ions on the battery cover.
0 Note
• All work on the battery requ ires technical knowledge . Please
contact an Audi dealership or another authorized facility for ques ­
t ions about the battery -dange r of acid burns and explosion hazard!
• T he battery must not be opened! Do not try to change the
battery 's liquid level, otherwise detona ting gas will escape from the
battery -explosion hazard I
• The AGM battery in the luggage compartmen t cannot lea k,
because the electrolyte for this battery is absorbed into a special
glass mat. Th is leak -proof battery must not be replace with a
conventional battery .
• Make sure the ventilation hose on the side of the battery is
connected, otherwise fumes or battery acid can leak out.
• Battery holder and term inals a lways have to be secured correctly.
• Before all work on the battery follow the
warnings below ~ & in
"Wor king on the battery" on
page 229 .
ci' For the sake of the environment
Because of the proble m of proper d isposal of a battery, we recom ­
mend your authorized Audi dealer change the battery for you.
Batteries contain sul furic acid and lead and m ust always be
disposed of properly in compliance with all environmenta l regula ­
t ions. Disposing of vehic le batteries improperly is ve ry dangerous to
the environment . Make sure that the removed battery cannot over­
balance, otherwise su lfur ic ac id might escape!
[ i ] Tip s
If your vehic le is left standing for severa l weeks at extreme ly low
temperatures, the vehicle battery should be removed and stored
where it will not freeze. Th is will prevent it from being damaged and
having to be replaced .•
Working on the battery
Be especially ca ref ul when w orking on o r near the
battery!
F ig . 144 Luggag e
co mp artment :
AGM
battery
T h e ba ttery is loca ted in t he lug gage compartmen t.
Swing up the luggage compartment floor .
Remove the cover plate by t urning the thumb wheel.
The positive ( +l battery termina l is protected by a plastic cover. This
cover must be removed to access the posit ive ( +l terminal when
connecting jumper cab les to start the engine.
Always heed the
safety warning s, when working on the vehicle
battery or the vehicle e lectrica l system to prevent injury.
Vehic le care I I irechnical data