2009 AUDI S8 lock
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until the vehicle has braked to the required speed. The brake assis
tant switches itself off as soon as you release the brake pedal.
The brake assistant will not be operative if there is a malfunction in
the ABS.
& WARNING
Please remember that the accident risk always increases if you
drive too fast, especially in corners or on a slippery road, or if you
follow the vehicle ahead of you too closely. Increased risk of an
accident cannot be compensated for even by the brake assistant,
so always maintain a safe speed. •
Servotronic® -advanced power
steering system
The power steering systems uses the power of the
running engine to allow precise steering with little effort.
The advanced Servotronic ® power steering system senses the road
speed and electronically adjusts power assistance to provide
comfortable and safe steering response exactly matched to the
vehicle speed.
Power steering will not work if the engine is off. As a result, the
steering whee l wil l be hard to turn.
The power steering fluid level is checked during the scheduled
maintenance services.
0 Note
If there is an electronic malfunction, servotronic will sti ll function
like a conventional power steering system, providing a constant
steering support force that is no longer proportionate to the vehicle
speed. This is most noticeable when turning the steering whee l at
Controls and equip
ment Safety first Vehicle operation
Intelligent technology
low speeds (for examp
le when parking), -more effort will be
requ ired 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 Audi dealer as
soon as possible.
[ i ] Tips
• When the engine is running, never hold the steering whee l
turned all the way to the right or to the left for longer than 15
seconds. The power steering pump will overheat the hydraulic fluid
if you keep holding the steering whee l turned a ll the way. This is
likely to damage the power steering system.
• If the power steering system shou ld fail entire ly, or if the engine
is not running (for examp le, while being towed), you will still be able
to steer the vehicle . However,
considerably more effort will be
required to do so.
• If the power steering system shou ld have a leak, or is not func
t ioning properly, contact your authorized Audi dealer immediately.
• The power steering system requires a special ly formulated
hydraulic fluid. The power steering reservoir is the one located most
forward on the left side of the engine compartment=>
page 310. The
correct fluid level in the reservoir is important for proper func
tioning of the power steering .•
Driving with your q attro®
With All Wheel Drive, all four wheels are driven.
General information
With All Whee l Drive, power is distributed to all four wheels. This
happens automatically depending on your dr iving style and the
road conditions at the time. See also=>
page 271, "Electronic differ
entia l lock (EDU".
Vehicle care Do-it-yourself service Technical data
Page 279 of 408
vidual components. It regulates consumption, so that more elec
trical energy is not being used than is being genera ted and ensures
an optimal state of charge for the battery.
[ i ] Tips
• But even energy management cannot negate the limits of
physics. Consider that the power and life of a battery are limited.
• If starting ability is threatened, you are informed by a warning
~ page 277, "Driver notification in the instrument cluster
display". •
What you should know
The highest priority is given to maintaining starting capa
bility.
The battery is severely taxed in short -distance driving, in city traffic
and during the cold time of year . Abundant electrical energy is
required, but only a little is generated . It is also critical if the engine
is not running and e lectrical components are turned on. In this
instance energy is being consumed but none is being generated .
It is in precisely these situations that you wi ll notice energy manage
ment actively regulating the distribution of energy.
Vehicle stands for an extended period
If you do not drive your vehicle over a period of several days or
weeks, electrical components are gradually cut back or switched off.
This reduces energy consumption and maintains starting capability
over a longer period.
Be aware that when you unlock your vehicle, some of the conve
nience functions may not operate, such as the Convenience key, the
remote control or the power seat adjustment. The convenience
functions will be available again when you turn on the ignition and start the engine.
Controls and equip ment Safety first Vehicle operation
Intelligent technology
With the
engine turned off
If you listen to the radio, for examp le, with the engine turned off or
use other MMI functions, the battery is being discharged.
If starting capability is jeopardized due to energy consumption, the
following warning appears in the MMI display:
Please start engine, otherwise system will switch off in 3
minutes .
The warning indicates that the system wi ll be turned off automati
cal ly after 3 minutes. If you wish to continue using the functions,
you have to start the engine .
With the engine running
Although e lectrica l energy is generated when the vehicle is being
driven, the battery can become discharged. This happens mostly
when little energy is being generated and a great deal consumed
and the battery's state of charge is not optimal.
To bring the energy balance back into equi librium , consumers
which require especia lly large amounts of energy are temporarily
cut back or switched off. Heating systems in particular require a
great deal of energy. If you notice, for example, that the heated
seats* or the heated rear window are not heating, they have been
temporarily cut back or switched off. These systems will be available
again as soon as the energy balance has been restored.
You wil l also notice that engine idle speed has been increased
s lightly . This is norma l and not a cause for concern . By increasing
engine idle speed the additiona l energy required is generated and
the battery is charged. •
Driver notification in the instrument cluster
display
If the battery's state of charge is not in the optimal range, this driver
notification appears in the instrument cluster display:
Low battery charge: battery will be charged while driving ~
Vehicle care Do-it-yourself service Technical data
Page 289 of 408
-Wit h chocks i n place, slowly release the brakes until the
wheel chocks absorb the load .
- Turn the wheels towards the curb.
- Apply the parking brake.
- Move the selector lever to
P.
Wh en r est arting aft er parking :
-Apply the foot brake.
- Start the engine.
- Move the selector lever to
D .
- Release the parking brake and slowly pull out and away
f rom the whee l chocks.
- Stop and have someone retrieve the wheel chocks .
[ i ) Tip s
If you move the selector lever of the automatic transmission to P
befor e applying th e parking brake and before blocking th e wheels ,
you may have to use more force later to move the lever out of the
P
position .
Controls and equip ment Safety first Vehicle operation
Tr
aile r t owing
Vehicle care Do-it-yourself service Technical data
Page 294 of 408
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0 Note
• Never try to remove d irt, mud or dust if the surface of the vehicle
is dry . Never use a dry cloth or sponge, since this cou ld scratch your
vehic le's paint or w indows.
• Never wash your car in bright sunlight. Drops of water act as
magnify ing lenses and may damage your paint.
• When you wash your car in the winter : if you rinse your vehicle
with a hose, be careful not to aim the stream of water directly at
locks, or at door or hatch openings -they can freeze shut.
• Never use sponges designed to remove insects, or any kitchen
scouring sponges or similar products. They can damage your paint
finish .
• Never use a dry cloth or sponge to c lean the head ligh ts. Only use
wet cloths or sponges to prevent scratches . It is best to use soapy
water.
For the sake of the environment
In the interest of the environment, the vehicle should on ly be
washed in specia l wash bays. •
Washing your vehicle with a power washer
Cleaning the exterior of your car with a high -p ressure
power washer is safe as l ong as y ou observe a few simple
rules .
-Before using the power washer, make s ure you have read
and understood the WAR NINGS=::;,
& in "General infor
mati on" o n
page 290.
-Always follow the operating instructions for the power
washer. - Make sure that the jet o
n the spray hose pro duces a "fan
sha ped sp ray".
D o
not hold the spray nozzle too close to soft materials.
When cleaning the vehicle with a power washer always follow the
operating instructions. This applies particula rly to the
operating
pre ssure
and the spraying di stance . Maintain a sufficient distance
to soft materia ls such as rubber hoses and sound/vibration dead
ening materia ls (part icularly on the underside of the engine hood).
Do not use a jet which sprays water in a
direct stream or one that
has a
rotating jet.
Water temperature should not exceed 140 °F (60 °Cl.
& WARNING
Never wash tire s with a jet that sp ra ys water in a dir e ct stream .
Thi s could cau se invisible damage to the tire s and we ake n them ,
eve n if th e spra y is from a re lativel y lo ng dis tanc e an d f or a sh o rt
time . Damaged and weakened tire s can f ail and cau se ac cident s
a nd per sona l injur y.
0 Note
To avoid damaging your vehicle, always make sure that there is
suffic ient distance between the spray head and soft materia ls like
rubber hoses, plastic parts and sound -deadening materials . Never
aim the spray head at the same p oint for a long time . This also
applies to cleaning headlights and painted bumpers . Remember :
the c loser the nozzle is to the surface of the material, the greater the
stress on the mater ial. •
Page 299 of 408
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•
Care of interior
MMI display
- Clean th e MMI display with a soft c lean cloth and an LCD
cl eane r.
The MM I disp lay can be cleaned with a professional ly available "LCD
cleaner". The cloth should be s lightly dampened with the c leaning
fluid to clean the display.
0 Note
T o avoid scra tching the MMI display, you should never c lean it dry .•
MMI terminal
- First clean the MMI terminal with a brush to remove dust
from the housing.
- T hen wipe the MMI terminal wit h a clea n, soft, s lig htly
damp cloth .
The MMI terminal shou ld be c leaned with a brush first so that no
dirt is trapped between the buttons and the housing. We recom
mend giving the MM I terminal a final wipe with a c loth moistened
with water and dish washing dete rgent.
0 Note
To prevent damage, make sure that no flu id ever gets into the M MI
terminal. •
Aluminum trim
Use only neutral-pH products to remove spots and deposits from
a lum inum surfaces . C hro me care products an d alka line cleaners
wi ll attack aluminum surfaces and can damage them over time.
& WARNING
Always read and heed all WARNINGS and other information
~ page 290 .•
Fabrics and fabric coverings
Fabrics and fabric coverings (e.g . seats, door trim panels, etc.l
shou ld be c leaned at regular intervals with a vacuum cleaner . This
re moves surface dirt partic les which could become embedded in
the fabric through use. Steam cleaners shou ld not be used, because
t he steam tends to push the d irt deeper into the fabric and lock it
there.
Normal cl eaning
Genera lly, we recommend using a soft sponge or a lint -free
microf iber c loth to the clean fabric . Brushes should on ly be used for
carpets and floor mats, since other fabric surfaces could be harmed
by brushes.
Norma l surface stains can be cleaned using a commercially avail
able foam cleaner. Spread the foam on the surface of the fabric with
a soft sponge and work it in gent ly. Do not saturate the fabric . Then
pat the foam dry using absorbent, d ry cloths (e.g. microfiber cloth)
and vacuum it a fter it has dried completely .
Cleaning stains
Stains caused by beverages (e.g. coffee, fruit juice, etc.) can be
treated with a mild detergent so lution . Apply the detergent so lution
with a sponge. In the case of stubborn stains, a detergent paste can be applied direct ly to the stain and worked into the fabric. After -.,.
Vehicle care I t •
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•
consider if children, anima ls or other factors m ight prove to be
partic ularly hard on the leather.
By contrast, leather types that are covered by a colored finish layer
are more durable. This has a positive effect on the leather 's resis
tance to wear and soiling in da ily use. On the ot her hand, the typica l
characteristics of natural leather are barely or not apparent.
However, this does not mean that the leather itself is of inferior
quality .
Care and h andling
Because of the exclusive nature of the types of leather that Audi
uses and their unique properties (such as sensitivity to oils, grease,
soiling, etc.l, you will need to be somewhat careful with these
lea thers, and a cer tain type of care is requ ired . For example, dark
clothing materials can discolor leather seats (especial ly if such
clothing is damp and was not dyed correctly). Dust and dirt par ticles
in pores , folds, and seams can have an abrasive effect and can
damage the leather surface as well as weaken seams .
The leather shou ld be c leaned 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 qua lity.
I n order to maintain the value of this natural p roduc t over the life of
your vehic le, you should fo llow the recommendations below :
0 Note
• To keep your leather from b leaching out, do not allow it to be
exposed to bright sun light for long per iods 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 ob jects on c lothing, such as zippers, rivets or sharp pieces
on belts can leave permanent scratches or sc rape marks on the
surface of t he leather.
[ i ] Tip s
• After each time you clean the leathe r and at regular intervals, use
a leather preservative creme that contains UV -blockers and that
works into the leather . This creme wil l nour ish and moisturize the
leather, helping it to breathe and stay supple . It a lso helps to build
up a protect ive coating on the sur face .
• Clean the leather every 2 -3 months, and c lean any areas that get
soiled.
• Remove fresh marks made by ballpoint pens, ink, lipstick, shoe
polish, etc . as soon as possible .
• Preserve the co lor of the leather as needed by using a special
colored leather care creme to touch up areas of uneven co lor. •
App lies to ve hic les : w ith n atura l le at he r
Cleaning and caring for leather upholstery
and trim
Natural leather requires special care and atten tion .
Normal cleaning
Clean so iled areas wi th a slightly mo is tened cot to n or
woole n cloth.
More stubborn dirt
- More stub born dirt can be removed using a cloth satu
rated wi th a mild soap solut io n (2 tab lespoons mild
liq uid soap) .
- Neve r allow the soap solution to sa turate the leathe r, and
make certain that no water soaks i nto the seams .
Wipe off the soap solution with a soft, dry cloth. .,,
Vehicle care I t •
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•
prevent it from fading. Slight color variations will develop in normal
use and are not an indication of material deterioration.
0 Note
• Never use chemical solvents (e.g. lighter fluid, turpentine),
waxes, shoe polish or similar products on Alcantara ® surfaces.
• To avoid damage, have stubborn stains removed by a commer
cial cleaning specialist.
• Do not use brushes, stiff sponges or similarly abrasive cleaning
aids .•
Safety belts
Only well-maintained safety belts work reliably when
needed.
- 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 condition of your safety belts
regularly.
Heavily soiled safety belts may not retract properly.
& 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.
& WARNING (continued)
• 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 other information
~ page290. a
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.
If the engine compartment is cleaned at any time with grease
removing solutions
2 l, or if you have the engine washed, the anti
corrosion treatment is almost always removed as well. It is therefore .,_
21 Use only th e correct cleaning solut ions. N ev er us e gasolin e or di ese l fu el.
Vehicle care I t •
Page 306 of 408
Fuel supply and filling your fuel tank
Blend of gasoline and ethanol (grain alcohol or ethyl alcohol}
• Anti-knock index must be 87 AKI or higher.
• Blend must not contain more than 10% ethanol.
Blend of gasoline and MTBE
• Anti-knock index must be 87 AKI or higher.
• Blend must contain not more than 15% MTBE.
Seasonally adjusted gasoline
Many gasoline grades are blended to perform especially well for
winter or summer driving. During seasonal change -over, we suggest
that you fill up at busy gas stations where the seasonal adjustment
is more likely to be made in time.
0 Note
• Methanol fuels which do not meet these requirements may
cause corrosion and damage to plastic and rubber components in
the fuel system.
• Do not use fuels that fail to meet the specified criteria in this
chapter.
• If you are unable to determine whether or not a particular fuel
blend meets the specifications, ask your service station or its fuel
supplier.
• Do not use fuel for which the contents cannot be identified.
• Fuel system damage and performance problems resulting from
the use of fuels different from those specified are not the responsi
bility of Audi and are not covered under the New Vehicle or the
Emission Control System Warranties.
• If you experience a loss of fuel economy or driveability and
performance problems due to the use of one of these fuel blends,
we recommend that you switch to unblended fuel. •
Gasoline additives
A major concern among many auto manufacturers is carbon
deposit build-up caused by the type of gasoline you use.
Although gasoline grades differ from one manufacturer to another,
they have certain things in common. All gasoline grades contain
substances that can cause deposits to collect on vital engine parts,
such as fuel injectors and intake valves. Although most gasoline
brands include additives to keep engine and fuel systems clean,
they are not equally effective.
Audi recommends using TOP TIER Detergent Gasoline. For more
information on TOP TIER Detergent Gasoline, please go to the offi
cial website (www.toptiergas.com).
After an extended period of using inadequate fuels, carbon deposit
build-ups can rob your engine of peak performance.
(D Note
Damage or malfunction due to poor fuel quality is not covered by
the Audi New Vehicle Limited Warranty. •
Fuel tank
Fuel filler neck
The fuel filler neck is located on the right rear side panel behind the
fuel filler flap.
If the power locking system should fail, you can still open the flap
manually - for detailed instructions see=>
page 307.
You can find the fuel tank capacity of your vehicle in Technical Data
=> page 380. .,_