AUDI S3 2009 Owners Manual

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& W ARNING (continu ed )
• Always wear eye protection. Do not let battery acid or any lead
particles get on your skin or clothing . Shield your eyes. Explosive
gases can cause blindness or other injury !
• Battery acid contains sulfuric acid . Sulfuric ac id can cause
blindness and severe burns .
- Always wear gloves and eye protection. Do not tilt the
battery because acid could leak out of the ventilation openings.
- If you get battery acid in your eyes or on your skin , immedi ­
ately rinse with cold water for several minutes and get medical
attention .
- If you should ingest any battery acid , seek medical attention
immediately .
• Do not expose the battery to an open flame , electric sparks or
an open l ight .
• Do not smoke.
• Do not interchange the positive and negative cables .
• When working on the batte ry , be sure not to short -circuit the
terminals with tools or other metal objects . This would cause the
battery to heat up very quickly , whi ch could lead to damage or
explosion and personal injury .
• When a battery is charged , it produces hydrogen gas which is
explosive and could cause personal injury .
• Always keep the battery well out of the reach of children .
• Before work is done on the electrical system, disconnect the
negat ive ground cable .
• Before performing any work on the electrical system , switch off
the engine and ignition as well as any electrical equipment . The
negative cable on the battery must be disconnected . If you are just
going to replace a light bulb , then it is enough to switch off the
lights.
• Before disconnecting the battery , sw itch off the anti-theft
alarm sy stem! Otherwise you will set off the alarm.
& W ARNING (continued )
• When disconnecting the battery, first disconnect the negative
cable and then the positive cable.
• Before reconnecting the battery , make sure all electrical
consumers are switched off. Reconnect the positive cable first and
then the negative cable . Never interchange the cables -this could
start a fire!
• Never charge a frozen or a thawed -out battery. It could
explode!
If a battery has frozen , then it must be replaced . A
discharged battery can freeze over at 32 °F (0 °CI.
• Make sure the vent hose is always atta ched to the opening on
the side of the battery.
• Never use batteries which are damaged . There is the danger of
an explosion! Always replace a damaged battery .
& WARNING
California Proposition 65 Warning:
• Battery posts , terminals and related accessories contain lead
and lead compounds , chemicals known to the State of Californi a
to cause cancer and reproductive problems . Wash hands after
handling.
0 Note
• D o not d iscon nect the veh ic le bat tery w hen the ign it io n i s
switched on or when the engine is ru nning, otherwise, you wi ll
da mag e ele ctro nic c ompo nents in the e lectr ical system.
• Appl ies to vehic les with 4 -cylinde r engine: When working on the
eng ine, protec t th e batter y hous ing from ultrav iolet ( UV) rays by not
parking the vehicle in direct sun light .
• If y our veh icl e is goi ng to sta nd for a lo ng period o f time with out
being dr iven, protect the battery from "freezing", otherwise it will
b e dama ged and w ill t hen ha ve to be replaced .•
Vehicle care
I t •

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Applies to vehicles: w ith 4-cy linder engine
Charging of battery (4 -cylinder engine)
All work on the battery requires technical knowledge!
A charged battery ensures good star ting performance. A
discha rged battery can
freeze at temperatures of only O °C.
A thawed battery must be replaced, as the battery housing may be cracked due to freez ing and could therefore leak
acid .
-Always read and heed all WARNINGS below=> & and
=> & in "Working on the battery" on
page 238.
-Sw itch off the ignit ion and all e lectr ica l co nsumers .
- Make s ure the a rea is we ll ven tilated when y ou c harge
the batte ry.
- Connec t cha rger cab les.
Charger cable s mu st alway s be
conne cted POSITIVE
G) to POSITIVE G) and NEGATIVE Q
to NEGATIVE Q.
- Switch on the charger.
- Make sure the charging rate is not over 6 amps.
- Turn off th e ch arge r=> & .
- Disconnect the c harger cables.
- Connect both battery cables to the battery if necessary -
first plus, then minus .
The battery must not be opened!=> 0 in "General information" on
page 236.
It is not necessary to remove the battery from the engine compart ­
ment, and it is also not necessary to disconnect the cables .
Normally, a battery shou ld be charged at no more than 10 percent
of its rated capacity. For example, a charging
current of 4.5 amps would be used on a
b attery rated at 45 Ah. Rated capacity of the battery in your vehic le
is listed on the battery housing.
The battery caps should
not be opened when charging a battery .
& WARNING
Charging a battery c an be dangerou s.
• Never ch ar ge a fro zen batt ery. It m ay ex pl ode be cause of g as
trapped in the i ce. Allow a fro zen battery to thaw out fir st.
• Do not reu se b atteries whic h w ere fro zen . The batter y housing
ma y hav e cra cked and weakened when the batter y fro ze.
• Charge the b atter y in a w ell vent ila ted area . K eep away from
open flame or e le ctric al s p a rk . Do not smoke . Hydrogen g as gener ­
a ted by t he b attery i s ex plo sive .
• To redu ce the dang er of e xplo sion , never connect o r di sconnect
c h arger cables while t he ch arger is operating .
• Fas t ch ar ging a batte ry is dang erou s and should only be
att empted by a comp etent techni cian with the proper equipment .
• Batter y ac id that m ay spill durin g ch arging should be wa shed
off with a solution of warm water and baking soda to neutr alize
the acid.
0 Note
Never use a fast charger as a booster to start the engine. This will
seriously damage sensitive electronic components, such as control
units, re lays, radio, etc ., as well as the battery charger.
[ i ] T ips
The veh icle battery must not be charged with a standard sma ll
charger that plugs into the cigarette lighter or out let. •

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Ap plies t o vehicles: w ith 6 -cylin d er engine
Charging of battery 6 -cylinder engine )
All work on the battery requires specialized knowledge!
The battery is maintenance-free and is inspected regu ­
larly as part of vehicle service.
If starting problems occur because the battery charge is too low,
this may indicate a defective battery. In this case we recommend
having a qualified workshop inspect and charge the battery or
replace it if necessary. A discharged battery can
freeze at tempera ­
tures of only O °C. A thawed battery must be replaced, as the battery
housing may be cracked due to freezing and could therefore leak
acid.
Charging the battery
Battery charging should be performed by a qualified workshop,
since batteries employing a special technology are used which
require current-limited constant voltage charging.
0 Note
The vehicle may be optionally equipped with a gel battery, which can only be charged at a constant current-limited voltage.
• To prevent damage to the battery and the electronics system, a
gel battery that is connected must under no circumstances be
charged with a quick charger.
[ i] Tips
The vehicle battery must not be charged with a standard small
charger that plugs into the cigarette lighter or outlet. •
Windshield washer container
Using plain water is not adequate for filling the wind­
shield washer system.
Fig . 179 Engine
compartment : wind­
shield washer fluid
container
The windshield washer fluid container is located on the
right side of the engine compartment~ fig. 179. The
washer fluid container is marked with the symbol %Pis on
its cap.
- Before you check anything in the engine compartment,
always
read and heed all WARNINGS~ & in "Working
in the engine compartment" on
page 225.
-Lift the filler cap tongue to add washer fluid. You can fill
the container to the top.
- Press the cap back onto the filler neck after filling the
container.
You can find the reservoir capacity in the table in~ page 300.
To prevent lime residue from building up on the spray jets, use
distilled water when refilling. Always add a glass cleaner solution
(with frost protection in the winter}. .,._
Vehicle care I I irechnical data

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0 Note
Do not mix engine coolant antifreeze or any other additives to fill up
the windshield washer reservoir .•

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Tires and wheels
Tires
General notes
Tires may be the least appreciated and most abused parts
of a motor vehicle.
Tires may be the least appreciated and most abused parts of a
motor vehicle. Tires are, however, one of the most important parts
of a vehicle, particularly considering the comparative ly sma ll patch
of rubber on each tire that assures that all- important contact
between you, your vehicle and the road .
Maintaining the correct tire pressure, making sure that your vehicle
and its tires do not have to carry more weight than they can safely
handle, avoiding damage from road hazards and regu lar ly
inspecting tires for damage inc luding cuts , slashes irregular wear
and overa ll condition are the most important things that you can do
to help avoid sudden tire failure including tread separation and
b lowouts .
Avoiding dama ge
If you have to drive over a curb or similar obstacle, drive very slow ly
and as close as possible at a right angle to the curb.
A lways keep chemica ls includ ing grease, oil, gasoline and brake
f luid off the tires.
I nspec t the tires regularly for damage (cuts, cracks or blis ters, etc.l.
Remove any foreign bodies embedded in the treads.
Storing tires
Mark tires when you remove them to indicate the direction of rota ­
tion . This ensu res you to be ab le to mount them correctly when you
reinstal l them. When removed, the wheels or tires shou
ld be stored in a coo l, dry
and preferably dark place.
St ore t ires in a vertical posit ion if they a re not mounted on rims, in
a horizontal position if they are mounted on rims.
New tire s
New tires have to be broken in~&.
The tread dep th of new tires may va ry, according to the type and
make of tire and the tread pattern.
Hidden d ama ge
Damage to tires and rims is often not readily visible. If you notice
unusua l vibration or the vehicle pul ls to one side, this may indicate
that one of the tires has been damaged . The tires must be checked
immed iately by an authorized Audi dealer or qualified workshop .
Unidire ction al tir es
A unidirectio nal tire can be iden tif ied by arrows on the s idewa ll, that
point in the direction the tire is designed to rotate. You must follow
the specified direction of ro tation . This is necessary so that these
tires can deve lop their optimum characteristics regarding grip, road
noise, wear and hydroplaning resistance . For more information
~ page 279.
in. WARNING
Ne w tire s or tire s that are old , worn or damaged cann ot pro vide
m aximum cont rol and braking ability.
• New tire s tend to be slippe ry and m ust be broken in . To redu ce
the risk of losing control, a colli sion and seriou s per sonal injurie s,
drive with speci al care for t he fi rst 350 m ile s ( 560 km l.
• Driving with worn or damaged t ire s can lead to lo ss of co ntrol ,
s udd en tire failure , in clu ding a blowout a nd sudden deflation , .,,_
Vehicle care
I t •

-~_T_ ir_e_ s_ a_ n_d _ w_ h_ e_e _l_s _________________________________________________ _
& WARNING (continued)
crashes and serious personal injuries . Have worn or damaged tires
replaced immediately.
• Tires age even if they are not being used and can fail suddenly,
especially at high speeds. Tires that are more than 6 years old can
only be used in an emergency and then with special care and at
low speed.
Glossary of tire and loading terminology
Accessory weight
means the combined weight (in excess of those standard items
which may be replaced) of automatic transmission, power steering,
power brakes, power windows, power seats, radio, and heater, to
the extent that these items are available as factory-installed equip­
ment (whether installed or not).
Aspect ratio means the ratio of the height to the width of the tire in percent.
Numb ers of 55 or lower indicate a low sidewall for improved
steering response and better overall handling on dry pavement.
Bead
means the part of the tire that is made of steel wires, wrapped or reinforced by ply cords and that is shaped to fit the rim.
Bead separation means a breakdown of the bond between components in the bead.
Cord
means the strands forming the plies in the tire.
& WARNING (continued)
• Never mount used tires on your vehicle if you are not sure of
their "previous history." Old used tires may have been damaged
even though the damage cannot be seen that can lead to sudden
tire failure and loss of vehicle control.
• If you notice unusual vibration or if the vehicle pulls to one side
when driving, always stop as soon as it is safe to do so and check
the wheels and tires for damage . •
Cold tire inflation pressure
means the tire pressure recommended by the vehicle manufacturer
for a tire of a designated size that has not been driven for more than
a couple of miles (kilometers) at low speeds in the three hour period
before the tire pressure is measured or adjusted .
Curb weight means the weight of a motor vehicle with standard equipment
including the maximum capacity of fuel, oil, and coolant, air condi­
tioning and additional weight of optional equipment.
Extra load tire
means a tire designed to operate at higher loads and at higher infla ­
tion pressures than the corresponding standard tire . Extra load tires
my be identified as "XL",
"xi", "EXTRA LOAD", or "RF" on the side ­
wall.
Gross Axle Weight Rating ("GAWR")
means the load-carrying capacity of a single axle system, measured
at the tire -ground interfaces .
Gross Vehicle Weight Rating ("GVWR"l
means the maximum total loaded weight of the vehicle.

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Groove
means the space between two adjacent tread ribs.
Load ra ting (code)
means the maximum load that a tire is rated to carry for a given
inflation pressure. You may not find this information on all tires
because it is not required by law.
M ax im um l oad ra tin g
means the load rating for a tire at the maximum permissib le infla­
tion pressure for that tire.
Ma ximum l oaded v ehi cle weigh t
means the sum of:
(a) Curb weight
(b) Accessory weight
(c) Vehic le capacity weight, and
(ct) Production options weight
M ax im um (p er mi ssibl e) infl ati on pr essur e
means the maximum cold inflation pressure to wh ich a tire may be
inflated. Also ca lled "maximum inflation pressure."
Normal occ upa nt wei ght
means 150 lbs. (68 kilograms) times the number of occupants
seated in the vehicle up to the to tal seating capacity of your vehicle.
O ccupant di stributi on
means distribution of occupants in a vehicle .
Outer di am eter
means the overall diameter of an inflated new tire.
O ve rall wi dth
means the linear distance between the exteriors of the sidewa lls of
an inflated tire, includ ing elevations due to labeling, decorations, or
protective bands or ribs.
Pl y
means a layer of rubber -coated para lle l cords.
P rodu ction opt io ns wei ght
means the combined weight of those installed regular production
options weighing over 5 lbs . (2.3 kg) in excess of those standard
i t ems wh ich they replace, not previously considered in curb weigh t
or accessory weight, including heavy duty brakes, ride levelers, roof
rack, heavy duty battery, and specia l trim .
Radi al p ly tire
means a pneumatic tire in which the ply cords that extend to the
beads are laid at substantially 90 degrees to the centerline of the
tread .
Reco mm ended infl ati on pr essu re
see => page 244, "Cold tire inflation pressure".
Rein force d tir e
means a tire designed to operate at higher loads and at higher infla ­
tion pressures than the corresponding standard tire. Reinforced
t ires my be identified as "XL", "xi", "EXTRA LOAD", or "RF" on the
sidewall.
R im
means a metal support for a tire or a tire and tube assembly upon
wh ich the t ire beads are seated.
Rim di amet er
means nominal diameter of the bead seat. If you change your whee l
size, you wi ll have to purchase new tires to match the new rim diam ­
eter .
Rim siz e de sig nation
means rim diameter and width.
Rim wid th
means nominal distance between rim flanges.
Vehicle care I t •

-~_T_ ir_e_ s_ a_ n_d _ w_ h_ e_e _l_s _________________________________________________ _
Sidewall
means that portion of a tire between the tread and bead.
Speed rating means the speed at which a tire is designed to be driven for
extended periods of time. The ratings range from 93 mph (150 km/h)
to 186 mph (298 km/h)=>
page 257. You may not find this informa ­
tion on a ll tires because it is not required by law.
The speed rating letter code, where applicable, is molded on the tire sidewa ll and indicates the maximum permissible road speeds.=>
&
in "Winter tires" on page 260
Tire pressure monitoring system*
means a system that detects when one or more of a vehicle 's tires
are under inflated and illuminates a low tire pressure warning te ll­
tale.
Tread
means that portion of a tire that comes into contact with the road.
Tread separation
means pu lling away of the tread from the tire carcass.
Treadwear indicators (TWI)
means the projections within the principa l grooves designed to give
a visual indication of the degrees of wear of the tread . See
=>
page 254, "Tread Wear Indicator (TWI)" for more information on
measuring tire wear .
Uniform Tire Quality Grading
is a tire information system developed by the United States National
Highway Traffic Safety Adm inistration (NHTSA) that is designed to
help buyers make relative comparisons among tires. The UTQG is
not a safety rati ng and not a guarantee that a tire will last for a
prescribed number of miles or perform in a certain way . It simply
gives tire buyers additiona l information to comb ine with other
considerations, such as price, brand loyalty and dealer recommen- dations
. Under UTQG, tires are graded by the tire manufacturers in
t hree areas : treadwear, traction and temperature resistance. The
UTQG information on the tires, molded into the sidewalls.
U .S . DOT Tire Identification Number (TIN )
This is the tire's "seria l number" It begins with the letters "DOT" and
indicates that the tire meets a ll federal standards. The next two
numbers or letters indicate the plant where it was manufactured,
and the last four numbers represent the week and year of manufac ­
ture. For example,
DOT ... 2207 ...
means that the tire was produced in the 22nd week of 2007. The
other numbers are marketing codes that may or may not be used by
the tire manufacturer. This information is used to contac t
consumers if a tire defect requires a reca ll.
Vehicle capacity weight
means the rated cargo and luggage load plus 150 lbs . (68 kilograms)
t imes the vehicle's tota l seating capacity as listed on the label
located either on the driver's side 8-pillar or on the inside of the fuel
filler flap.
Vehicle maximum load on the tire
means that load on an individual tire that is determined by distrib­
uting to each axle its share of the maximum loaded vehicle weight
and dividing by two.
Vehicle normal load on the tire
means that load on an individual tire that is determined by d istrib­
uting to each axle its share of the curb weight, accessory weight,
and normal occupant weight (distributed in accordance with table
below=>
page 2471 and dividing by two. .,_

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Occupant loading and distribution for vehicle normal load for various designated seating capacities
Designated seating capacity, num­
ber of occupants Vehicle normal load
, number of
occupants Occupant distribution in a normally
loaded vehicle
5 3
2 in front,
1 in back seat
Cold tire inflation pressure
Tire pressure affects the overall handling, performance and safety of a vehicle.
Fig. 180 Tire pressure
label: located either on
driver's side B-pillar or
inside the fuel filler flap
Tire pressure generally refers to the amount of air in a tire that it
needs it to do its job and safely carry the combined load of the entire
vehicle and its contents. Tire pressure is measured in kilopascals
(kPa), the international measuring unit and in pounds per square
inch (PSI). Tire pressure is based in part on the vehicle's design and
load limit -the greatest amount of weight that the vehicle can carry
safely and the tire size . The proper tire pressure is frequently
referred to as the "recommended cold tire inflation pressure ." Air in
the tires expands when the tire heats up because of internal friction
when it flexes in use. The tire pressure is higher when the tire has
warmed up than when it is "cold." It is the inflation pressure in a
"cold" tire that counts. Therefore, you should never let air out of a
warm tire to match "cold tire inflation pressure" recommendations .
The tires would then be underinflated and could fail suddenly.
i
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TIRE AND LOADING INFORMATION
TIRE SIZE COLO TIRE PRESSURE
F RONT -KPa, -PSI
REAR -KPa, -PSI
SPARE -KPa, - PSI
MANUAL FOR
INFORMATION SEE OWNER'S I
ADDITIONAL
Fig. 181 Tire pressure
label
Maintaining proper tire pressure is one of the most important
things you can do to help avoid sudden tire failure. Underinflated
tires are a major cause of sudden tire failure. Keeping tires at the
right pressure is also important for safe and responsive vehicle
handling, traction, braking and load carrying.
Tire pressures are
particularly important when the vehicle is being driven at higher
speeds, and then especially when heavily loaded even within the
permissible load-carrying capacities approved for your vehicle.
The recommended tire pressures for your Audi depend on the kind
of tires on your vehicle and the number of passengers and/or
amount of luggage you will be transporting.
On USA vehicles, the tire pressure label is located on driver's side 8 -
pillar. On Canada vehicles, the tire pressure label is located either on
the driver's side 8 -pillar or inside the fuel filler flap . The tire pressure
•
label lists the recommended cold tire inflation pressures for the _,,,
Vehicle care I I irechnical data

-~_T_ ir_e_ s_ a_ n_d _ w_ h_ e_e _l_s _________________________________________________ _
vehicle at its maximum capacity weight and tires that were on your
vehicle at the time it was manufactured.
If you wish to improve comfort when operating the vehicle at
normal load (up to 3 occupants), you can adjust tire pressures to
those specified for normal vehicle load. Before operating the vehicle at maximum load, you must increase the tire pressures to those
specified for maximum vehicle load
=> &.
Bear in mind that the tire pressure monitoring system* can only
monitor the tire pressures you have stored. The system does not
recognize the load condition of your vehicle.
The effectiveness of the tire pressure monitoring system* will be impaired if you store normal load pressures but then operate the
vehicle at its maximum load=>&. See
the illustrat ion=>
page 247, fig. 180 for the location of the label
either on driver's side B -pillar or inside the fuel filler flap (color of
the actual label and exact location on the vehicle will vary slightly).
Note that the following table is accurate at the time of going to
press and is subject to change . In the event of discrepancies, the tire
pressure label (on USA vehicles, the tire pressure label is loc ated on
driver's side B-pillar; on Canada vehicles, the tire pressure label is
loca ted either on the driver's side B-pillar or inside the fue l filler
flap.I always takes precedence.
The table below lists the recommended cold tire inflation pressures
for the Audi model covered by your Owner's Literature at the
vehicle's capacity weight and the tire sizes installed on the respec­
tive models as original equipment, or as a factory option.
Engine
(displace ­
ment in
liter)
Tire designation Tire pressure front
Tire pressure rear
4-cylinder
2.0
205/55 R16 91 H All Season
225/45 R17 94H XL All Season
225/45 R17 94W High Performance
225/45 R17 94Y XL High Performance
225/40 R18 92H XL All Season
225/40 R18 92Y XL High Performance
Compact spare wheel T125/70 R18 normal load
condition (up to
3 occupants)
PSI
36 250
38 260
35 240
35 240
38 260
38 260
60 420
full load
condition
kPA
39 270
39 270
38 260
36 250
41 280
41 280
60 420
normal load
full load
condition (up
condition to 3 occupants)
kPA kPA
30 210
38 260
32 220 38 260
30 210
36 250
30 210
35 240
35 240 41 280
35 240 41 280
60 420
60 420