2009 AUDI S4 CABRIOLET belt

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Install ing a child restraint using the lower
anchorages of the LA TC H system
Child safety seats equipped with the LATCH system can
quickly and easily be secured to the rear seats.
Fig. 188 LATCH-type
seat with both rigid
latch bars extended
Fig. 189 Installation of
child safety seat with
rigid latches on bars
Whenever you install a child restraint always refer to the
child restraint manufacturer's instructions.
- Install the guidance fixtures=:>
page 206.
-Insert the latches onto the lower anchorages=:, fig. 189.
Make sure you hear the child restraint click securely into
place. This indicates that the seat is securely mounted on
the anchors. -
Pull on the child restraint once you have mounted it to
make sure it is secure.
& WARNING
Improper use of the LATCH system can increase the risk of serious
personal injury and death in an accident.
• These anchors were developed solely for child safety seats
using the "LATCH" system.
• Never attach other child safety seats, belts or other objects to
these anchors.
• Always make sure that you hear a click when latching the seat
in place. If you do not hear a click the seat is not secure and could
fly forward and hit the interior of the vehicle, or be ejected from
the vehicle.
& WARNING
Improper installation of child restraints will increase the risk of
injury in an accident .
• Always follow the child restraint system manufacturer's
instructions for proper installation of the child restraint system
and proper use of tether straps as well as the lower anchorages or
safety belts in your vehicle.
• Always read and heed the important information and WARN­
INGS about child safety and the installation of child restraint
systems ~
page 190, "Child Safety". •

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Mounting and releasing the anchorage hook
If you use a child restraint system with hook-on or push-
on connectors attached to adjustable straps.
Mounting
- Press the anchorage hook with the spring catch release
onto the lower anchorage so that the anchorage hook
locks into place .
- Pull on the anchorage hook to make sure that it has
securely engaged the lower anchorage.
- Tighten the strap following the child restraint manufac­
turer's instructions.
Releasing
- Loosen the tension on the strap following the child
restraint manufacturer's instructions .
- Depress the spring catch on the hook or push button to
release the push -on connector catch.
- Hold the spring catch in depressed position.
- Move the hook in the direction of the vehicle floor so that
there is enough space to release the anchorage hook
from the lower anchorage.
& WARNING
• Improper installation of child restraints will increase the risk of
injuries in a crash.
• Always refer to the child restraints manufacturer's instructions
for proper installation of the child restraint and proper use of the
lower anchorages or safety belts in your vehicle. •
Controls and equip­ ment Safety first Vehicle operation
Vehicle care Do-it-yourself service Technical data

-In
te llig ent tec hnolo gy --=---=-=-------------
Intelligent technology
Notice about data recorded by
vehicle control modules
Your vehicle is not equipped with an Event Data Recorder (EDRl,
installed by some manufacturers for the express purpose of
capturing data for retrieval after an accident or crash event . EDR's
are sometimes called "crash recorders" .
Some state laws restrict the retrieva l or downloading of data stored
by EDR's that were insta lled in a vehicle for the express purpose of
retrieving data after an accident or crash event without the owner's
consent.
Although your vehicle is not equipped with an EDR, it is equipped
with a number of electronic control modules for various vehicle systems such as, for examp le, engine function, emission control, as
we ll as for the airbags and safety belts.
T hese electronic control modules also record vehic le-rela ted da ta
during norma l ve hicle operation for diagnost ic and repair purposes .
The recording capacity of the electronic control modules is limited
to data (no sound is recorded) and only a small amount of data is
actually recorded over a very limited period of time and stored when
a system fault or other condition is sensed by a control unit. Some
of the data then stored may relate to vehic le speed, d irection,
braking as we ll as restraint system use and performance in the
event of a crash or other condition . Stored data can only be read and
down loaded with special equipment. •
Electronic Stabilization Program (ESP)
General information
The ESP improves the vehicle s tability.
I
A F ig . 19 0 Cen ter
co nsol e w ith ESP
sw itch
ESP is designed to he lp you maintain vehic le control in situa tions
where the car approaches the limits of "grip", especially when acce lerating and cornering . ESP reduces the risk of skidding and
improves stability under all road conditions .
The syst em opera tes across the en tire speed range in combination
with the ABS system. If the Anti-Lock Brake System (ABS) malfunc ­
tions, the ESP wil l a lso shut down .
How th e sys te m work s
The Anti-Lock Brake System (ABS) , E lectronic Differential Lock (EDU
and the Anti -Sl ip Regu lation System (ASR) are integrated in the e lec­
tronic stabi li z ation program. In addition to the data provided by
these functions, the ESP control unit requires additional measure­ ment data provided by high performance sensors . T he rotational
speed of the vehic le about its ver tica l axis, t he late ral acce leration
acting on the vehic le, the brake pressure and the steering ang le are
a ll measured .

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in pores, folds, and seams can have an abrasive effect and can
damage the leather surface as well as weaken seams.
The leather should be cleaned regularly as needed . After having
been used for a relatively long time, your leather seats will acquire
a rich aged finish. This is a characteristic of natural leather and a
sign of true quality.
In order to maintain the value of this natural product over the life of
your vehicle, you should follow the recommendations below :
0 Note
• To keep your leather from bleaching out, do not allow it to be
exposed to bright sunlight for long periods of time. If you have to
leave the vehicle parked outside for long periods, cover the leather
to protect it from direct exposure to sunlight.
• Sharp objects on clothing, such as zippers, rivets or sharp pieces
on belts can leave permanent scratches or scrape marks on the
surface of the leather .
[ i ] Tip s
• After each time you clean the leather and at regu lar intervals, use
a leather preservative creme that contains UV -blockers and that
works into the leather. This creme will nourish and moisturize the leather, helping it to breathe and stay supple . It also helps to build
up a protective coating on the surface .
• Clean the leather every 2 -3 months, and clean any areas that get
soiled.
• Remove fresh marks made by ballpoint pens, ink, lipstick, shoe
polish, etc . as soon as possible.
• Preserve the color of the leather as needed by using a special
colored leather care creme to touch up areas of uneven color .•
Ap plies to vehi cles: w it h n atu ral leather
Cleaning and caring for leather upholstery
and trim
Natural leather requires special care and attention.
Norm al c leaning
- Clean soiled areas with a slig htly mo istened cotton or
woolen cloth.
Mor e stubborn dirt
- More stubborn dirt can be removed using a cloth satu­
rated with a mild soap solution (2 tablespoons mi ld
liquid soap).
- Never allow the soap solution to saturate the leather, and
make certain that no water soaks into the seams .
Wipe off the soap solution with a soft, dry cloth.
Cl eaning spot s
- Remove fresh wate r-ba sed spots (such as coffee, tea,
juices, blood) w ith an absorbent c loth or paper towe l.
- Remove fresh greas e or oil-ba sed spots (such as butter,
mayonnaise, chocolate) with an absorbent cloth or paper
towel, or use the c leaner from the leather care kit if the
spot has not yet penetrated into the surface of the leather.
- Use an oil/grease dissolving spray, if oil /gr ease spots
h ave dried on .
- Remove specific kinds of spots (ballpoint pen, felt
marker, fingernail polish, water-based paint, shoe polish,
etc.) with a spot remover specifically formulated for leather . .,_

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Safety belts
Only well-maintained safety belts work reliably when
needed.
Heavily soiled safety belts may not retract properly.
- Keep belts clean.
- For cleaning, use a mild soap and water solution. Let
belts dry thoroughly and away from direct sunlight.
- Do not allow inertia reel safety belts to retract before
they are completely dry.
- Check the condit ion of your safety belts
regularly.
& WARNING
Damaged safety belts can break in a crash .
• Anything that might damage your safety belts could mean that
you and your passengers would not be adequately protected in an
accident.
• Safety belt performance depends on correct installation. Never
remove belts from the vehicle to clean them.
• Do not use chemical cleaning agents, bleach or dyes. They have
corrosive properties which weaken the webbing.
• When cleaning your safety belts, inspect them for damage. If
you discover damage, see your Audi dealer.
• Always read and heed all WARNINGS and the information
=:> page 230. •
Engine compartment
Be especially careful when cleaning the engine compart­
ment.
Always switch off the ignition before cleaning the engine :::::, &.
Plenum panel
Remove leaves from the plenum panel in front of the windshield
under the engine hood. This prevents the water drain holes from
becoming blocked, and it prevents debris from entering the vehicle
interior through the heating and ventilation ducts.
Corrosion protection
The engine compartment and transmission have been corrosion­
protected at the factory.
Good anti-corrosion treatment is very important, particularly in the
winter. If the vehicle is frequently driven on salt treated roads, the
entire engine compartment and plenum panel should be thor­
oughly cleaned at the end of winter and retreated to prevent salt
damage. At the same time, the underside of the vehicle should be
washed as well.
I f the engine compartment is cleaned at any time with grease
removing solutions
21 , or if you have the engine washed, the anti­
corrosion treatment is almost always removed as well. It is therefore
essential to have a long-lasting corrosion protection reapplied to all
surfaces, seams, joints and components in the engine compart ­
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 242. .,.,
21 Use only the correct cleaning solutions. Never use gasoline or diesel fuel.

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& WARNING (conti nued )
-First , fully apply the parking brake , move selector lever of
automatic transmis sion to "P " (Park) ; put manual transmiss ion
in Neutral.
- Always u se extreme caut ion to prevent clothing, jewelry , or
long hair from getting caught in the radiator fan, V-belts or
other moving parts , or from conta cting hot parts. Tie back hair
before starting , and wear no cloth ing that will hang or droop
into the engine.
• Minimize exposure to emission and chemical hazards
~ & .
& WARNING
California Proposition 65 Warning :
• Engine exhaust , some of its constituents , and certa in vehicle
components contain or emit chemicals known to the State of Cali ­
fornia to cause cancer and birth defects and reproductive harm . In
addition , certain fluids contained in vehicles and certain produ cts
of component wear contain or emit chemicals known to the State
of California to cause cancer and birth defects or other reproduc ­
tive ha rm .
• Battery post s, terminals and related acces sories contain lead
and lead compounds , chemicals known to the St ate of California
to cause cancer and reproductive harms. Wash hands after
handling.
0 Note
When adding f luids, always make sure that they are poured into the
p roper container o r filler opening, otherwise se rio us damage to
vehicle systems will occur .
W For the sake of the environment
To detect lea ks i n tim e, inspect t he v ehi cle floor pa n from u nde r­
neath regularly. If you see spots from oil or other vehicle fluids, have
y o ur v ehicl e inspected by an author ized Au di dea ler. •
Engine compartment
App lies to veh icles: with 2 .0 I turbo, 4-cylinder •engine
2.0 I , 4-cylinder turbo engine (200 hp )
The se are th e m ost important items that you can check .
Fig. 196 Engine comp art m ent : 2 .0 I, 4-cy lind er turbo
G) Battery ..................................... •..
0 Engine oi l fi lle r ca p ('1:::r.l ..... ... ... ....... .... .. .
© Bra ke fluid reservoir ( ) ..... ... .... ... ... ... .. . .
© Engine oil dipstick (orange) ........ .......... ... .
Vehic le care
N
N
I
261
255
2 60
25 4 ...
irechnical data

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0 Note
• Coolant pollutes the environment and could cause an engine
fire. Excess coolant will be forced out through the pressure relief
valve in the cap when the engine becomes hot.
• If, in an emergency, only water can be added, the correct ratio
between water and antifreeze~
page 257must be restored as soon
as possible.
<£> For the sake of the environment
Drained coolant should not be reused. Always dispose of used
coolant while observing all environmental regulations. •
Radiator fan
The radiator fan switches on automatically by itself.
The radiator fan is driven by the engine via the V-belt. The viscous
clutch regulates the speed of the fan according to the temperature
of the coolant.
An auxiliary electric radiator fan* switches on and off depending on coolant temperature and other vehicle operating conditions.
After you switch the engine off, the auxiliary fan can continue running for up to 10 minutes - even with the ignition off. It can even
switch on again later by itself~&, if
• the temperature of the engine coolant rises due to the heat
build -up from the engine in the engine compartment, or
• the engine compartment heats up because the vehicle is parked
in intense sunlight.
& WARNING
• To reduce the risk of personal injury never touch the radiator
fan .
_& WARNING (continued)
• The auxiliary electric fan is temperature controlled and can
switch on suddenly even when the engine is not running .
• The auxiliary radiator fan switches on automatically when the
engine coolant reaches a certain temperature and will continue to
run until the coolant temperature drops. •
Brake fluid
Checking brake fluid level
The brake fluid level can be checked with a quick glance.
Fig. 203 Engine
compartment: Brake
fluid reservoir
Before you check anything in the engine compartment,
always read and heed all WARNINGS:::::, & in "Working in
the engine compartment" on
page 250.
Pull the rubber strip@ up partially and lift the cover @
slightly :::::, fig. 203.
- Read the brake fluid level from the brake fluid reservoir
©. The brake fluid level must be between the "MIN" and
"MA X" markings. _..

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and is more difficult to stop. Overloading can not only lead to loss
of vehic le contro l, but can also damage important parts of the
vehic le and can lead to sudden tire failure, including a blowout and
sudden deflation that can cause the vehicle to crash .
Your safety and that of your passengers also depends on making sure that load limits are not exceeded . Vehicle load includes every ­
body and everything in and on the veh icle . These load lim its are
technically referred to as the vehicle's
G ross Vehicle Weight R ating
("GVWR").
The "GVWR" includes the weight of the basic vehic le, all factory
installed accessories, a ful l tank of fuel, oil, coolant and other fluids
p lus maximum load. The maximum load includes the number of
passengers that the vehicle is intended to carry ("seating capacity")
with an assumed we ight of 150 lbs (68 kg) for each passenger at a
designated seating position and the total weight of any luggage in
t he vehicle. If you tow a trai ler, the weight of the trailer hitch and the
tongue weight of the loaded trai ler must be included as part of the
vehic le load .
T he
G ros s Axle Weight Rating ("GAWR") is the maximum load that
can be applied at each of the vehicle's two axles .
The Gross Vehicle Weight Rat ing and the Gross Axle Weight Rating
are listed on the safety compliance sticker labe l located either on
the d river's side B -pillar o r on t he inside of the f ue l fi ller flap. Yo ur
Audi has 4 seating positions, 2 in the front and 2 in the rear for total
seating capaci ty of 4. Each seating posi tion has a safety belt
=>
page 159, "Safety be lts" .
T he fact that there is an upper limit to your vehicle's Gross Vehicle
Weight Rating means that the total weight of whatever is being carried in the vehicle (including the weight of a trailer hitch and the
tongue weigh t of the loaded trailer) is lim ite d. The more passengers
in the vehicle or passengers who are heavier than the standard
weights assumed mean that less weight can be carried as luggage.
The tire pressure labe l on your Audi also lists the maximum
combined weight of a ll of the occupants and luggage or othe r cargo that the vehicle can carry
. For the location of the label=>
page 271,
f ig. 207 .
& WARNING
Overloading a vehicle can cau se lo ss of vehicle control , a cra sh or
other a ccident , seriou s personal injury , and even de ath .
• Carrying more weight th an your vehi cle w as designed to ca rry
will prevent the vehi cle from handling properly and in cre ase the
ri sk of the lo ss of vehicle control.
• The brakes on a veh icle th at ha s been overloaded ma y not be
able to stop the vehicle within a safe distance .
• Tire s on a vehicle that has been overloaded can fail suddenly,
i ncluding a blowout and sudden defla tion , cau sin g los s of control
and a crash .
• Alwa ys make sure that the tot al l oad be ing tran sported -
including the weight of a trai ler hit ch and the tongue weight of a
loaded trailer -does not m ake the vehicle heavie r than the
v ehicle 's Gro ss Vehicle Weight Rat ing .•
Determining correct load limit
U se th e exa mple below to calculat e the
total weight of the passengers and luggage or other things that you plan to
tran sport so that you can make sure that
your vehi cle will n ot be ov erlo ad ed.
~