2008 AUDI A4 AVANT ESP

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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 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 quality.
In order to maintain the value of this natural product over the life of
your vehic le , you should fo llow 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 c lothing, 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 regu lar 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 .•
• I I • • I
Ap plies to veh ic les : wi th n atural leat her
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 .
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. _.,
Vehicle care

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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.
• 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 254. •
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
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 265 . .,,_
21 Use only the corr ect cleaning solutions. Never use gasoline or diesel fuel.
Vehicle care

Fue l su pply and fillin g yo ur fu el tank
Ble nd of g aso line and ethanol (grain alco hol or ethyl alco ho l!
• Anti-knock index must be 87 AKI or higher.
• Blend must not contain more than 10% ethanol.
Blend of ga solin e and MTBE
• Anti-knock index must be 87 AKI or higher.
• Blend must contain not more than 15% MTBE.
Sea sonall y adj usted ga soline
Many gasoline grades are blended to perform especia lly we ll for
winter or summer drivi ng . Dur ing seasona l change -over, we suggest
that you fil l 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 fue l 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 particu lar fuel
b lend meets the specifications, ask your service station or its fuel
supplier.
• Do not use fuel for w hich the contents ca nnot be identified.
• Fue l system damage and performance problems resulting from
t he use of fuels different fro m those specified are no t the responsi ­
bility of Audi and are not covered under the New Vehicle or the
Em ission Control System Warranties .
• If you experience a loss of fue l economy or driveabi lity and
performa nce problems due to the use of o ne of these fuel blends,
we recommend that you switch to unblended fuel. •
Gasoline additives
A major concern among many auto manufacturers is carbon
depos it build-up caused by the type of gasoline you use.
A lthough gasoline grades differ from one manufacturer to another,
they have certain things in common. All gaso line grades contain
substances that can cause deposits to co llect on vital engine parts,
such as fue l injectors and intake valves. A lthough most gaso line
brands include additives to keep engine and fue l systems clean,
they are not equal ly effective .
Audi reco mmends using TOP TIER De tergen t Gasoline. For more
information on TOP T IER Detergent Gasoline, please go to the offi ­
cia l website (www.toptie rgas .com).
After an extended period of using inadequate fuels, built-up carbon
deposits can rob your engine of peak performance .
(D Note
Damage or malfunction due to poor fuel qua lity is not covered by
the Aud i New Veh ic le Limited Warranty. •
Fuel tank
Fuel filler neck
The fue l fi ller neck is located o n the r ight rear side pane l be hin d the
fuel filler flap.
I f the power locking system shou ld fail, you can stil l open the flap
manual ly - for detai led instructions
see=> page 271 .
You can find the fuel tank capacity of your vehicle in Techni cal Dat a
=> page 343. ~

Fuel supply and filling your fuel tank
Taking the fuel cap off
- To open the fuel filler flap, pull the button~ page 269,
fig. 200.
- Unscrew fuel filler cap counter-clockwise and hang it on the fuel filler flap.
Refuelling procedure
- Insert the fuel nozzle from the gasoline pump into the
fuel filler neck as far as it will go.
- Select a medium refuelling rate so that the nozzle
switches off automatically when the tank is full.
Putting the fuel cap back on
- After filling your tank, twist the fuel filler cap clockwise
until you hear a definite click.
- Close the fuel filler flap.
To avoid fuel spilling or evaporating from the fuel tank always close
fuel filler cap properly and completely. An improperly closed fuel
filler cap may also cause the MIL lamp => page 27to come on.
& WARNING
Improper refueling or handling of fuel can cause fire, explosion
and severe burns .
• Fuel is highly flammable and can cause severe burns and other
injuries.
• Failure to shut the engine off while refueling and/or to insert
the pump nozzle fully into the car's filler neck could cause fuel
overflow and fuel spray. Fuel spray and overflowing fuel are
dangerous because they can cause fire or serious injury.
& WARNING (continued)
• Never use a cellular telephone while refueling. The electromag­
netic radiation can cause sparks that can ignite fuel vapors and
cause a fire .
• Never get back into your vehicle while refueling. If in excep­
tional circumstances you must get back in your vehicle while refu­
eling, make certain that you close the door and touch metal to
discharge static electricity before touching the filler nozzle again .
Static electricity can cause sparks that can ignite fuel vapors
released during refueling .
• Never smoke or have an open flame anywhere in or near your
vehicle when refueling or filling a portable fuel container.
• For your safety, we strongly recommend that you do not travel
with a portable fuel container in your vehicle. The container, full or
empty may leak and could cause a fire, especially in a crash.
• If, under exceptional circumstances, you must transport a
portable fuel container, please observe the following:
- Never fill a portable fuel container while it is anywhere in or
on the vehicle (for example, in the luggage compartment, or on
the trunk). Static electricity can build up while filling and can
ignite fuel vapors causing a fire.
- Always place a portable fuel container on the ground before
filling.
- Always keep the filler nozzle completely inside the portable container before and during filling.
- If filling a portable container made of metal, the filler nozzle must always be in contact with the container. This will help
prevent static electricity from discharging and cause a fire.
- Never spill fuel inside the vehicle or luggage compartment .
Fuel vapors are highly flammable.
- Always observe local and state/provincial laws regarding the
use, storage and transportation of fuel containers
~

Checking and filling -
-----------------------------==--------=--
& WARNING (continued)
ment. Wait until no steam or coolant can be seen or heard before
carefully opening the hood.
•
Closing the engine hood
- Pull the hood down until the pressure from the strut is
reduced.
- Let the hood
drop down and latch in place. Do not try to
push
it shut; it may fail to engage =:>& .
& WARNING
A hood that is not completely latched could fly up and block your
view while driving.
• When you close the engine hood, check it to make sure the
safety catch has properly engaged. The hood should be flush with
the surrounding vehicle body parts.
• If you notice while driving that the hood is not secured prop­
erly, stop at once and close it. •
Working in the engine compartment
Be especially careful whenever you work in the engine
compartment.
Whenever you must perform any work in the engine compartment,
for example checking and filling different fluids, there is a risk of
injury, burns and accidents. To prevent personal injury always
observe the following WARNINGS . The engine compartment of any
vehicle is a hazardous area
=> & .
• I I • • I
& WARNING
To help avoid injury, before you check anything under the hood:
• Turn off the engine.
• Remove the ignition key .
• Apply the parking brake.
• Move selector lever of automatic transmission to
"P" (Park);
put manual transmission in Neutral.
• Always let the engine cool down. Hot components will burn
skin on contact.
• 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.
• Keep children away from the engine compartment.
• Never spill fluids on hot engine components. They can cause a
fire.
• Never touch the radiator fan. The auxiliary electric fan is
temperature controlled and can switch on suddenly.
• Never open the coolant reservoir cap when the engine is still
warm . The coolant system is pressurized and hot coolant could
spray out.
• Protect your face, hands and arm from steam or hot engine
coolant by placing a thick rag over the cap when you open the
coolant reservoir .
• If work on the fuel system or the electrical system is necessary: -Always disconnect the battery.
- Never smoke or work near heaters or open flames. Fluids in
the engine compartment could start a fire .
- Keep an approved fire extinguisher immediately available.
• To avoid electrical shock and personal injury while the engine
is running or being started, never touch:
- Ignition cables
.,_
Vehicle care

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le as t 50 % but not more th an 60 % to maintain antifreeze protection
and cooling efficiency . If the coolant frost protection is too low, the
coolant could freeze and damage the vehic le heating and engine
cooling system.
For year -round driving, antifreeze is added at the factory for temper­
atures down to :
•
-31 °F (- 35 °C) USA
•
-40 °F ( -40 °C) Canada.
You can mix the G12 + coolant additive with other additives (for
examp le G11 or G12) . Always check with your authorized Audi
dea ler.
& WARNING
Bef ore you check anything in the eng ine comp artm ent , a lw ays
re ad and h eed all W ARNING S
=> & in "Worki ng in the engine
c ompartm en t" on
page 273.
0 Note
• Before winter sets in, have the coolant checked to see if the
coolant additive in your vehicle is sufficient to meet the climate
conditions. This is especially important if you live in a region where
the winter is extremely cold. If necessary, increase the proportion of coolant additive to 60%.
• When adding coolant additive to your cooling system,
remember :
-We recommend using only coolant additive G12 + (check the
label) for your vehicle. This coo lant additive is avai lable at autho ­
rized Audi dealers . Other types of antifreeze can significantly
reduce corrosion protect ion. The resulting corrosion can cause a
loss of coolant and serious engine damage.
• Do no t add any type of radiator leak sealan t to you r vehicle's
engine coolant . Adding radiator repair fluid may adversely affect the function and performance of your cooling system and could result
in damage not covered by yo ur New Vehicle Limited Warranty. •
Checking the engine coolant level
The engine coolant level can be checked with a quick
glance.
F ig . 211 E ngine
co mpa rtm ent: Co olan t
e xp an sion tan k
Before you che ck a ny thing in the e ng ine compar tmen t,
alway s read and heed all
WARNINGS => & in "Working in
t h e engine compartment" on
page 273.
Turn off the ignitio n.
Let the engine cool down.
P lace a t hick rag over the coo lant expans ion tank
=> fig. 211 and carefully twist the cap counter-clockwise
=>& . ...
Ve hic le care irechnical data

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&, 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 then 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")
means the maximum total loaded weight of the vehicle.

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Groove
means the space between two adjacent tread ribs.
L oa d ratin g (code)
means the maximum load that a t ire 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 imum l oad r atin g
means the load rat ing for a t ire at the maximum permiss ib le infla­
tion pressure for that tire.
Ma ximum l oaded vehicle we ight
means the sum of :
(al Curb weight
(b) Accessory weight
(c) Vehicle capacity weight, and
(d) Production opt ions weight
M ax imum (permissibl e) infl ati on press ure
means the maximum cold inflatio n pressure to wh ich a t ire may be
inflated. Also ca lled "maximum inflation pressure ."
No rm al occ upant we ight
means 150 lbs. (68 ki lograms) times the number of occupants
seated in the vehicle up to the total seati ng capacity of your vehicle .
Occupant distributi on
means distribution of occupants in a vehicle .
Outer diameter
means the overal l diameter of an inflated new tire.
Ove rall width
means the linear distance between the exteriors of the sidewa lls of
an inf lated t ire, including elevations due to labe ling, decorat ions, or
protective bands or ribs .
Ply
means a layer of rubber -coated para lle l cords.
Pr odu ction opt io ns weig ht
means the comb ined weight of those installed regular product ion
options weighing over 5 lbs . (2.3 kg) in excess of those standard
items which they replace, not previously cons idered in curb weight
or accessory weight, inc luding heavy duty brakes, ride levelers, roof
rack, heavy duty ba ttery, and specia l trim .
Radi al pl y tir e
means a pneumat ic tire in which the ply cords that extend to the
beads are laid at substantially 90 degrees to the centerline of the
tread .
Recomm ended infl ati on p ress ure
see => page 294, "Cold tire inflat io n pressure".
Reinfor ced tir e
means a tire designed to operate at higher loads and at higher infla ­
tion pressures then the corresponding standard tire. Reinforced
t ires my be ide ntified as "XL", "xi", "EXTRA LOAD", or "RF" on the
sidewall.
Rim
means a metal support for a tire or a tire and tube assembly upon
wh ich the t ire beads are seated.
Rim di ameter
means nom inal d iameter o f the bead seat. I f you change your whee l
size, you wi ll have to purchase new tires to match the new rim diam ­
eter.
Rim siz e design ation
means rim diameter and width.
R im width
means nominal distance between rim flanges .
Vehicle care