2008 AUDI S6 air condition

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Intelligent technology
Notice about data recorded by
vehicle control modu les
Your vehicle is not equipped with an Event Data Recorder (EDR),
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 example, engine function, emission control, as
well as for the airbags and safety belts.
These electronic control modules also record vehicle-related data during norma l vehicle 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 vehicle speed, direction, braking as well 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 .•
Electron ic Stabilizat ion Program (ESP)
General =nformation
The ESP improves the vehicle stability.
(
Fi g. 225 C ente r
co nso le w it h ES P
swi tch
ESP is designed to he lp you maintain vehic le control in situations
where the car approaches the limits of "grip", especia lly when
accelerating and cornering. ESP reduces the risk of skidding and
improves stabil ity under all road conditions .
T he system operates across the entire speed range in combination
with the ABS system. If the Anti-Lock Brake System (ABS) malfunc­
tions, the ESP wil l also shut down .
How th e sys te m w ork s
The Anti -Lock Brake System (ABS) , Electronic Differential Lock (EDU
and the Anti-Slip Regulation System (ASR) are integrated in the e lec­
tronic stabi lization program . In addition to the data provided by
these functions, the ESP control unit requires additional measure­ ment data provided by high performance sensors . The rotational
speed of the vehic le about its vertical axis, vehicle acce leration in
the fore-and-aft and lateral directions, the brake pressure and the steering angle are al l measured .

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& WARN ING (continued )
• Before des cending a steep grade , reduce speed and shift trans­
mission into a lower gear or lower dr iving range. D o not r ide the
brakes or hold the pedal down too long or too often . This could
c au se the brake s to get hot and dimin ish braking effi ciency.
• Do not "ride the brakes " by resting your foot on the pedal when
you do not intend to b rake. This may cause the brakes to overheat ,
premature wear and in crea sed stopping distan ce.
• Under certain climat ic and oper ating condit ion s s uch as
passing through water, driving in heavy rain or after washing the
vehicle , the effectiveness of the brakes can be reduced. In winter ,
ice c an a ccumulate on the brake pads , linings , discs and drums .
Carefully apply brakes fo r a test. Brakes will dry and ice coatings
will be cleaned off after a few careful brake applications .
• Driving for an e xtended pe riod of time on salt-covered road s
without using your brakes can also affect braking efficiency . Clean
off accumulated salt coating from brake disc s and pads with a few
careful brake applications .
• If you damage the front spoile r, or if you install a different
spoiler , be sure the air flow to the front brakes is not obstructed .
Otherwise the brake system could overheat reducing the effective ­
ness of the entire br ake system .
• Failure of one brake circuit will impair the braking capability
resulting in an increased stopping distance . Avo id driving the
vehicle and have it towed to the nearest Audi dealer or qualified
workshop .
u
Brake booster
T he brake boo ster ad ds e xtra bra kin g pow er.
T he brake booster works with vacuum pressure which is created
only when t he en gine is run ning~ &.
& WARNING
• Never let the vehi cle roll to a stop with the engine shut off .
• If the brake boo ster is not working, for example when towing
your vehicle , or because the brake booster has somehow been
damaged, the brake pedal must be pre ssed considerably harder to
make up for the lack of booster assistance . •
Functioning of Anti-Lock Brake System (ABS)
-- --
ABS preven ts the wheels from l ocking up und er bra kin g.
T he ABS contributes effectively to vehicle contro l since it prevents
th e w hee ls fr om lo cking when the brakes a re app lied . T hi s m ea ns
that the vehicle remains steerable and is less l ikely to skid.
With ABS you do not need to pump the brake . Just hold the brake
pedal down .
H owever, do not expect the AB S to shorten braking distance under
all circu ms tances. When drivi ng on grave l or on newly fa lle n sn ow
on top of icy surfaces, braking distance may be even longer, there ­
f o re, unde r these c ircums ta nces , it is es pecially imp ortant th at you
drive slow ly and with great care .
How the ABS system works
An automatic check is made when a speed of about 4 mph (6 km/h)
i s r eac hed . W he n th is happens, a pumping n oise ca n be heard.
I f a n indiv idual wheel be gins to rotat e too slowly in relation to
vehic le speed and tends to lock, the ABS automatically reduces
brake pressur e to p revent that whee l from loc king .
T his automatic adjustment p rocess will cause a slight vibration of
t he brake peda l a nd some noi ses t o a le rt yo u th at ve hicle speed
must be adapted to ex isting road and traffic conditions. .,

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one half. Never drive faster than the posted speed limit and weather
conditions permit. •
Reducing unnecessary =citing
Even when your car is just idling it burns up fuel.
- Shut the eng ine off when you are not driving the vehicle .
- Do not warm up the vehicle by letting the engine run at
idle.
It makes sense to shut off the engine in traffic jams, when waiting
for trains to pass at rai lroad crossings , or at traffic lights that have
long waits on red. Turning the engine off for just 30 -40 seconds
saves more fuel than is burned starting the engine again .
It takes a long time for the engine to warm up fu lly when it is
running at idle. However, wear and noxious emissions are especially
high when the engine is warming up. So you should drive away as
soon as you start the engine and avoid running at high rpms while
the engine is still warming up.
0 Note
Do not leave engine idling unattended after starting . If warning
lights should come on to indicate improper operation, they would
go unheeded. Extended idling also produces heat, which could result in overheating or other damage to the vehicle or other
property .•
Regu1ar ma1--.tenance
A badly tuned engine unnecessarily wastes a lot of fuel.
-Have your vehic le serviced at regular intervals .
By having your vehicle regularly serviced by an Audi dealer helps to
ensure that it runs properly and economically. The condition of your
vehic le not only affects its safety and abi lity to hold its value, it also
affects
fuel con sumpt ion.
C hec k your o il e ach time you fill your t ank.
The amount of oil used is related to engine load and speed.
It is norma l for the oil consumption of a new engine to reach its
lowest va lue after a certain mileage has been driven.
You must drive your vehicle about 3,000 miles (5,000 kilometers) before you can properly assess oil consumption .
This also applies to fuel consumption and engine output .
0 Note
• Have your vehicle maintained properly and in accordance with
the service recommendations in your Maintenance
& Warranty
booklet. Lack of proper ma intenance as well as improper use of the
vehic le wi ll impair the function of the emission control system and
cou ld lead to damage.
• Do not alter or remove any component of the Emission Control
System unless approved by the manufacturer.
• Do not alter or remove any device, such as heat shields,
switches, ignition wires, valves, which are designed to protect your
vehicle's Em ission Control System and other important vehicle
components .•
Fewer short tr ips
Fuel consumption will always be relatively high on short
trips.
- Try to avoid driving short dista nces wi th a cold engine. _,

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Speed
The higher the speed, the more difficult it becomes for the driver to
control the rig. Do not drive at the maximum permissible speed. Reduce your speed even more if load, weather or wind conditions
are unfavorable -particularly when going downhi ll.
Reduce vehicle speed
im med ia tel y if the trailer shows the slightest
sign of swaying.
Do not try to s top the swayi ng by accelerating.
Observe speed limits. In some areas, speeds for vehicles towing
trai lers are lower than for regular vehicles .
Always apply brakes ear ly. When driving downhill, shift into a lower
gear to use the engine braking effect to slow the vehicle. Use of the
brakes a lone can cause them to overheat and fail.
C ool ant t emp era tur e
The coolant temperature gauge=> page 13 must be observed care­
fully. If the needle moves close to the upper end of the scale, reduce
speed immed iately and/or turn off the air conditioner.
If the coolant temperature warning light in the instrument cluster
starts flashing
- F- , pull off the road, stop and let the engine idle for
about two minutes to prevent heat build-up.
& WARNING
A nyo ne n ot properly re str aine d in a moving vehi cle i s at a mu ch
g re ater ri sk in an accident . Never let any on e r ide in y our car who
is n ot pr operl y wea ring th e re stra ints pr ovided b y Audi . •
Trailer towing tips
Important to know
Your vehicle handles differently when towing a trailer because of
the additional weight and different weight distribution. Safety, performance and economy will greatly depend on how carefully you
l
oad your trailer and operate your r ig.
Before you actually tow your trailer, practice turning, stopping and
backing up in an area away from traffic . Keep practicing unti l you
have become comp letely familiar with the way your vehicle-trai ler
combination behaves and responds.
Back ing up is difficult and requires practice. Backing up with a
trailer generally requires steering action opposite to that when backing up your vehic le without a tra iler.
Ma intain a greater distance between your veh ic le and the one in
front of you . You will need more room to stop. To compensate for
the trai ler, you w ill need a larger than norma l turning radius.
When passing, remember that you cannot accelerate as fast as you nor mally wou ld because of the added load . Make su re you have
enough room to pass. After passing, allow plenty of room for your
trai ler befo re changing lanes again .
Avoid jerky starts, sharp turns or rapid lane changes.
[ i ] T ips
• Do not tow a trailer during the break -in period of your vehicle.
• I f you tow a trailer, your Audi may require more frequent main te­
nance due to the extra load=>
page 366. •
Parking on a slope
Do not park on a slope with a trailer. If it cann ot be
avoi ded, do so only after d oing the followi ng:
When p arking :
-Apply the foot brake.
- Have someone p lace chocks under both the vehicle and
the trailer wheels. ._

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Cleaning and protection
General information
Regular care preserves vehicle value.
Any automobile is exposed to industrial fumes, corrosive road salt,
muddy dog feet, etc . A well cared for Audi can look like new many
years a fter purchase. Regu lar a nd correct ca re will co ntribu te to
maintaining the beauty and value of your Audi.
Furthermore, good care may be a condition for substantiating a
war ranty claim should co rros ion damage or paint defect s occur .
Your authorized Audi dealer has a variety of dedicated vehicle- care
product s
and can adv ise whic h ones to use for clea ning the e xter ior
and interior of your vehicle.
Whethe r you use p roducts recommended by Audi or other c ommer ­
cia lly availab le cleaning agents , please make sure you apply them
correctly.
& WARNING
• Cleaning agents may be poisonous. Keep them out of the reach
of ch ildren .
• Heed all caution label s.
• Always read directions on the contai ner before using any
product. Follow the di rection s carefully .
• Most chemical cleaners are concentrated and have to be
d iluted.
• Use spot removing fluids only in well ventilated area s.
• Do not use gasoline , kerosene , die sel fuel , nail polish remover
or other volatile fluids . They may be toxic , flammable or hazardous
in other way s. Do not wash , wa x or dry the vehicle w ith the igni ­
tion on or the engine running.
& WARNING (continued )
• Do not clean the under side s of chassis , fenders , wheel cove rs,
etc . without protecting your hands and arms. You may cut yourself
on sharp -edg ed metal parts .
• Moisture and ice on brakes may impair braking effi ciency
=> page 261 , "General info rmation ". Test the brake s carefully each
time you wa sh the vehicle.
~ For the sake of the environment
Se lect only enviro nmenta lly friend ly c leaning products . Leftover
clean ing products should not disposed of in the household waste. •
Care of exterior
Washing
Frequen t washing pro tects the vehi cle.
Th e bes t protection against envi ronmental influences is frequent
washing and waxing . How often this is required depends on:
• Ho w much the vehic le is used
• Where the vehic le is parked (garage, in the open under trees,
etc.)
• T he seasonal and weather conditions
• Environmenta l influences
T he longer bird droppings, insects, tree resin, road and industrial
gri me, tar, soot, road salt and ot her materials rema in on the ve hicle
body, the more lasting their destruc tive effects will be . High temper ­
atu res caused by exp osu re to in tense s un ligh t inte nsify the c orro -
sive effect, particularly when humidity is high as well.
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T he best way to remove snow from windows and mirrors is to use a
brush . Use a non -abrasive
pla stic ice scraper -better still, a spray
deicer -to remove
ice from w indows and mirrors .
The windows must not be cleaned with insect remover or wax since
these can inter fere with the function of the w inds hie ld w iper blades
(chatter).
Oil, grease o r sil icone residue can be removed with
glass cleaner or
s ilicone remover . However, wax residue requires the use of a
spec ially for mulated solvent . Please contact your Audi dealer for
advice on safe products for wax removal.
Windows should also be c leaned on the inside at regular interva ls .
Never dry windows with the same chamois that you use to dry
painted surfaces . Wax residue on the chamois can impair vision
t hrough the windows.
& WARNING
• The windshield mu st not be treated with water -repellent mate ­
rials. They c an incre ase gl are under poor v isibility conditions such
a s wetne ss, darkne ss, or when the sun i s low on the hori zon. In
addition , they can cause the wind shield wipers to chatter .
• Alway s read and heed all WARNINGS and other information
~ page 278.
0 Note
• Never use warm or hot water to remove snow and ice from
windows a nd mirrors . This cou ld cause the glass to crack.
• T o prevent damage to the wires of the rear defogger, do not p lace
any adhesive stickers on the inside of the rear window over the
wires .
• T o he lp prevent dirt from scratching the window, always scrape
in a forward direction -pushing the scraper away from you -never
back and forth. •
Weatherstrips
Complete car car e includes the we atherst rip s as well .
App ly a suitable rubbe r con ditioner to the weatherstr ips
f ro m time to tim e.
To be able sea l properly, the weatherstrips around the hood, doors,
rear lid, etc . must remain pliable. Spray the weatherstrips with sili­
co ne or coat them w ith ta lcum powder or glycer ine to retain the
f lexibility of the rubber and to protect them against freezing in the
winte r.
& WARNING
Always read and heed all WARNINGS and other information
~ page 278.
[ i ] Tip s
Keep si licone sprays off the windshield to avoid wiper smear in
ra in .•
Cast (light) alloy wheels
Cast (light) alloy wheels require special care.
- Was h the wheels w ith a sponge or hose b rus h every
other week.
Fo r de ep cle aning af terwar ds, use only a dedicat ed
acid­
free cast al lo y whee l c leaner.
R ub a co at of
liquid wax onto t he rims ever y thr ee mo nth .
Be su re t o r ea ch and t reat a ll pa rts of t he r im.
To preserve the decorative appearance of the cas t al loy wheels,
some special care is necessary . In addition to road dirt and salt,
Vehicle care I t •

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wards, use copious amounts of clean water to remove the
rema ining detergen t. App ly the wa ter w ith a damp cloth or sponge
and pat the fabric dry with an absorbent, dry c loth.
Stains from choco late or makeup should have detergent paste (e.g .
ox -ga ll soap) rubbed into them. A fterwards, remove the soap w it h
water (damp sponge).
A lcoh ol can be us ed t o t rea t sta ins fro m grease, oil, lipstick o r a ba ll­
point pen. Melted grease or dye must be patted off using absorbent
ma te ri al. It may be neces sary to retreat the a reas w ith de tergent
paste and water .
In the case of genera l soiling of the upho lstery and cover material,
we recommend h ir ing a specialis t that has the equ ip m ent to c lea n
the seat covers and other fabric surfaces by shampooing and spray
e xt rac tion.
& WARNING
Always read and heed all WARNINGS and the information
~ page 278 .
[ i] Tips
Open Ve lcro fasteners on your clothing can damage the seat cover.
Please make sure that Velcro fas tene rs a re c losed .•
Plastic parts and instrument panel
A lways use a clean cloth mo iste ned in cl ear wa ter to clean these
areas . For persistent dirt use an Audi approved
solvent-free plastic
cleaner/ protectant.
in. WARNING
Solvents can change the properties of some plastics and make it
harder for the airbag to deploy.
& WARNING (continued )
• Never clean the instrument panel or the surface of airbag
modules with cleaning products that contain solvents .
• Products containing solvents will make the surface of this part
porou s.
• Serious injuries can result if plastic parts come loose when the
airbag is deployed .
• Alway s read and heed all WARNINGS and other information
~ page 278.
0 Note
Cleaning agents containing so lvents wil l attack the material and can
c hange t he way it behave s.•
App lies to vehicles: with natu ra l l eathe r
Natural leather
Aud i mak es gr eat effo rts to main ta in the p roperties ,
n atu ra l look an d fee l of interior le athe r.
General
We offe r ma ny diff erent typ es of leather on our v ehicles . M ost ar e
different types of nappa leather, which has a smooth surface and
comes in va rious co lors .
T he intens ity o f the color de termi nes t he visua l character ist ics a nd
appearance. If the surface of the leather has a typica l natural look,
th en the leathe r is a nappa leather t hat has bee n l eft in a re lat ive ly
natural condition. This leather offers particu lar ly good comfort and
b reathes well. Fi ne vei ns, closed g ra ins, ins ect bit es, ski n folds, a nd
subt le variations in color remain visib le. These character istics
dem onstrate tha t the mate rial is natural.
Natura l nappa leather is not covered by a color finis h. It is therefo re
more sens itive to so iling and wea r, which is something you need to ...

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•
& WARNING
B efo re you c heck anythin g in th e engine comp artme nt, a lways
r e ad and heed all WARNING S
~ & in "Workin g in the en gine
co mp art m ent " o n page 297. •
Engine oil
Engine oil specifications
The engine oil used in your Audi needs the right kind of
oil.
The engine in your Audi is a sophisticated powerplant that was built
to exacting specifications. This engine needs the right kind of
engine oil that meets specifications regarding quality and viscosity
so that it can run smoothly and reliably . Choos ing the right oil and
changing oil within the time and mileage intervals printed in your
vehic le's Maintenance
& Warranty booklet matters a lot more today
than it did years ago. Audi has developed a special quality standard for engine oil that will help assure that your vehicle's engine will get
t he lubr ication it needs for proper operation .
Modern engine lubrication has taken a quantum leap in the last few
years . Many synthetic oi ls availab le today provide better engine
lubrication that can outlast traditional petroleum-based oils,
making them a smart choice for use throughout the life of your Audi.
Whether you use synthetic or petroleum -based engine oi l, the oi l
that you use must conform to Audi's oi l quality standard VW 502 00
t o help keep your vehicle's engine running smoo th ly and help
prevent the formation of harmful deposits, sometimes called
"s ludge," that over time can lead to expensive repairs.
At the time of printing, engine oi ls avai lable in the U.S. and Canada
that meet the exacting specifications of Audi oil standard VW 502 00
are synthetic engine oils . This does not mean, however, that every synthetic engine oil will meet Audi oil standard VW 502 00
. So
a lways be sure tha t you use an approved o il.
To help prevent the formation of harmful deposits use only oil with
the fo llowing specifications printed on the oil container:
Audi oil standard VW 50 2 00
Oil container labels may carry the specification singly or in combi ­
nation with other designa tions and oil quality standards .
Viscosity
Engine oils are graded according to their viscosity. The proper
viscosity grade oi l for your engine depends on c limactic or seasona l
conditions where you drive. You can use oil with a viscosity grade of
SAE 5W40 across all temperature ranges for normal driving condi ­
tions .
However, if engine oil viscosity grade SAE 5W40 is not available, you
can a lso use viscos ity grade SAE 5W-30 or SAE 0W -40 as long as it
meets Audi oil qua lity standard VW 502 00 specifications .
Because engine o il that meets the Audi o il standard may not be
avai lable everywhere when you need it, we strongly recommend
that you a lways carry with you an extra quart (l iter) of oil that
express ly conforms to the VW 502 00 specification, in case you have
to top off the oil while on the road .
Only if the level of the o il is at or be low the minimum mark on the
oi l dipstick - and no oil that expressly conforms to Audi oi l standard
VW 502 00 specifica tions is avai lable -may you top off wit h a high
quality engine oi l, preferably synthetic-based, that meets ACEA A3,
ACEA A5 or ACEA 85, AP I SL or ILSAC GF -3 spec ifications, but even
then, only in viscosity grades SAE 5W-40 , SAE 5W -30, or SAE 0W -40 .
However, during the enti re time between oi l cha nge interva ls, never
top off with more than a total of 0.5 qt/ liter engine oi l that does not
conform to Audi oil specification VW 502 00.
For more information about engine oi l that has bee n approved for
your vehicle, p lease contact either your authorized Audi dea ler or
Audi C ustomer Relations at 1 (800) 822 -2834 or visit our web site at
www.audiusa.com or www.audicanada.ca . Here you will a lso find a .._
Vehicle care I t •