2008 AUDI S8 light

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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 r ims . Safe
products are availab le at your Audi dealer. Never leave the cleaner
on the ri ms longer than specified on the label. If not rinsed off
promptly, the acid contained in some c leaners can attack the
threads o n the wheel bo lts .
Never use abrasive or metal po lishing c leaning agents . If the protec ­
t ive coating has been chipped, e.g . by kicked up road dirt, touch i t
up as soon as possible .
& WARNING
• Moisture and i ce on b rake s ma y affe ct b raking effi ciency
=> page 270 , "General information ". Te st the brakes carefully ea ch
t ime you wa sh the vehi cle .
• Alway s read and heed all WARNINGS and other information
=> page 288. •
Body cavity sealing
The body cavity sealing does not nee d to be checked.
A ll body cavit ies which could be affected by corrosion have been
t horough ly pr otected a t the factory .
This sealing does not require any inspection or additional treat ­
ment . If any wax should seep out of the cavity when the ambient
temperature is high, it can be removed with a plastic scraper and a suitable solvent .
& WARNING
Solvents can be d angerous.
• Ben zine is flammable and to xic . If you use benzine for removing
the wax , keep sparks, flame and lighted cigarettes away . Never
& W AR NING (continued )
dump benzine on the ground , into ope n streams or do wn sew age
drain s.
• Be sure to observe all safet y and env ironmental regulat ions .
Follow all in struction s on the cont ainer .
• Alway s read and heed all WARNINGS and other information
=> page 288 . •
Chassis
Hav e the underc oating c hecked for damage from tim e to
time.
T he lower body shell of your Audi is also thoroughly protected
against corrosion .
Any damage to the undercoat ing caused by road hazards s hou ld be
repaired promptly.
& WARNING
Too much undercoating in the wrong place s can cau se a fire .
• Do not appl y additional undercoating or rustproofing on or
near the exhaust manifold , exhau st pipes , catalytic converter or
h eat shield s. Wh ile dr iving , the sub stan ce used for underco ating
could overheat and cau se a fire .
• Alway s re ad and heed all WARNINGS and other info rm ation
=> page 288 . •

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Care of interior
MMI display
- Clean the MMI display with a soft c lean clo th and an LCD
c le ane r.
The MM I disp lay can be c leaned with a pr ofessional ly available "LCD
cleaner". The cloth should be s lightly dampened with the c leaning
fl uid to clean the display.
0 Note
To avoid scra tc h ing 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 with a clea n, soft, s lig htly
damp cloth .
The MMI terminal should be c leaned with a brush first so that no
d irt is trapped between the buttons and t he housing. We reco m­
mend giving the MMI terminal a final wipe with a c loth moistened
with water a nd dish was hing detergent.
0 Note
To prevent damage, make sure that no flu id ever gets i nto the M MI
terminal.
•
Aluminum trim
U se on ly neutral-pH products to remove spots and deposits from
a lum inum surfaces . C hrome care products a nd alka line clea ners
wi ll attack aluminum surfaces and can damage them over time.
& WARNING
Always read and heed all WARNINGS and other informat ion
=> page 288 . •
Fabrics and fabric coverings
Fabrics and fabric coverings (e.g . seats, door trim pane ls, etc.)
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
the steam tends to push the d irt deeper into the fa bric and lock it
there.
Normal cle aning
Genera lly, we recommend using a soft sponge or a lint -free
m icrofiber c loth to the clean fabric . Brushes should only be used for
carpets and floor mats, since other fabric surfaces could be harmed
b y b rushes.
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 . T hen
pat the foam dry using absorbent, dry cloths (e.g. microfiber cloth)
and vacuum it a fter it has dr ied completely .
Cleaning stains
Stains caused by beverages (e.g. coffee, fruit juice, etc.l 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

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consider if children, animals or other factors might prove to be
particularly 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 daily use. On the other 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 handling
Because of the exclusive nature of the types of leather that Audi
uses and their unique properties (such as sensitivity to oi ls, grease,
soiling,
etc.I, you will need to be somewhat careful with these
leathers, and a certain type of care is required. For example, dark
clothing materials can discolor leather seats (especially if such
clothing is damp and was not dyed correctly). Dust and dirt particles
in pores, folds, and seams can have an abrasive effect and can
damage the leather surface as we ll 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 quality.
In order to maintain the value of this natura l 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] Tips
• After each time you clean the leather and at regular intervals, use
a leather preservative creme that contains UV -blockers and that
works into the leather . This creme wil l 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. •
Applies to ve hic les : with na tu ra l le at he r
Cleaning and caring for leather upholstery
and trim
Natural leather requires special care and attention.
Normal cleaning
- Clean soiled areas with a slightly moistened cotton or
woolen cloth.
More stubborn dirt
- More stubborn dirt can be removed using a cloth satu­
rated with a mild soap solution (2 tablespoons mild
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.
.,_
Vehicle care

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Cleaning spots
- Remove fresh water-based spots (such as coffee, tea,
juices, blood) with an absorbent cloth or paper towel.
- Remove fresh
grease or oil-based spots (such as butter,
mayonnaise, chocolate) with an absorbent cloth or paper
towel, or use the cleaner 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/grease spots
have 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.
Leather care
- Every half year use an approved leather care product
(available from your Audi dealer) to care for the leather.
- Apply the product
very sparingly.
- Wipe it off with a damp cloth.
If you have any questions abou t cleaning and caring for the leather
in your vehicle, it is best to contact your authorized Audi dealer, who
will be glad to help you and tell you about our full range of leather
care products, such as:
• Leather cleaning and care kit
• Creams to care for colored leather
• Spot removers for ballpoint pens, shoe polish, etc .
• Oil/grease dissolving spray
• New and upcoming products.
& WARNING
Always read and heed all WARNINGS and other information
~ page 288.
0 Note
• Never use chemical solvents (e.g. lighter fluid, turpentine),
waxes, shoe polish or similar products on the leather surfaces in
your Audi .
• To avoid damage, have s tubborn stains removed by a commer­
cial cleaning specialist. •
Applies to ve hicles: w ith Alc a nt ara up ho lst ery
Cleaning Alcantara ® (synthetic suede)
Removing dust and dirt
- Moisten a cloth, squeeze out excess water and wipe down
the seat surfaces.
Removing stains
- Moisten a cloth with lukewarm water or with diluted
ethyl (rubbing) alcohol.
- Dab at the stain. Start at the outside and work inwards.
- Once the stain is no longer visible, use a soft dry cloth or
tissue to soak up the moisture .
Do not use leather cleaning products on Alcantara .
You may use a suitable shampoo for removing dust and dirt.
Dust and grit in the pores and seams can scratch and damage the
surface . If the car is left standing in the sun for long periods , the
leather should be protected against direct sunlight to prevent it
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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
=> page 288. •
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
11 , or if you have the engine washed, the anti­
corrosion treatment is almost always removed as well. It is therefore .,_
11 Use only the correct cleaning solut ions. Never use gasoline or diesel fuel.
Vehicle care

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Checking and filling
Engine hood
Releasing the engine hood
The engine hood is released from inside the vehicle.
Fig. 259 Driver's side
footwell: engine hood
release lever
-Pull the release lever on the left under the instrument
panel ~ fig. 259 in the direct ion of the arrow.
The hood pops up slight ly under spring pressure. •
Opening the engine hood
Fig. 260 Release lever
under the engine hood
Before opening the engine hood, make sure that the wind­
shie ld wipers are flat against the windshield. Otherwise,
they could damage the paint on the hood.
Li ft the hood
slightly~ &.
-Pull up on the release under the hood:=} fig. 260. Thi s
releases the catch.
-Open the hood all the way.
The hood is kept in the open position by two gas struts.
& WARNING
Hot engine coolant can burn you.
• To reduce the risk of being burned , never open the hood if you
see or hear steam or coolant escaping from the engine compart­
ment . Wait until no steam or coolant can be seen or heard before
carefully opening the hood . •

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& WAR N ING (continued )
-Always use extreme caution to prevent clothing , jewelry, or
long ha ir from getting caught in the radiator fan , V -belts o r
other moving parts , or from contacting hot parts . Tie back hair
before starting , and do not wear clothing that will hang or
droop into the engine .
• Minimize exposure to emis sion and chemi cal hazards
=> & .
& WARNING
Californ ia Proposition 65 W arning :
• Engine exhaust , some of its constituents , and certain vehicle
c omponents conta in or emit chemicals known to the State of Cali­
fornia to cause cancer and birth defects and reproductive harm. In addition , ce rtain fluids contained in vehi cles and certa in products
of component wear contain or emit chemicals known to the State
of California to cause cancer and birth defects or other reprodu c­
tive harm.
• Battery posts , terminals and related accessories contain lead
and lead compounds , chemicals known to the State 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
proper container or filler opening, othe rwise serious damage to
vehicle systems wi ll occur.
For the sake of the environment
To detect leaks in time, inspect the vehicle floor pan from under ­
n eath regu larly. If you see spots from oil o r o ther ve hicle flu ids, have
your vehicle ins pected
by an autho rized Audi dea ler. •
Engine compartment
Ap plies to vehi cles : wi th 8 -cy lind er e ngi ne
Engine compartment overview : 8-cylinder
engine
T hese are the m ost i mpor tant i tems th at yo u c an ch eck .
Fig. 261 Typical l ayout for containe rs, engine o il d ip stic k a nd engine oil fille r
c a p
G) Winds hield/headlight washer containe r(~ ) ...... . .
© Brake fluid reservo ir ( ) ) . . .. .. .. ...... .... ... .. .
© En gine oi l filler cap ("t::r.) .. .. .... ...... ....... . _.
© Eng ine oil d ipstick (orange) .... ..... ....... ... .. .
© Power steering reservoir ...... ....... .... .. ... .. .
© Coolant expansion tank (_ L J ... ...... .... ... .... . .
323
317
312
3 11
2 7 3
315
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