2009 AUDI S6 fuel consumption

Driver inf ormati on displ ay
S ettin g and a djustin g th e w arnin g thr eshold
- Press the
I CAR I function button .
- Select
In strum ent cluster . The Instrum ent clust er menu
appears.
Select the second item in the
Sp eed wa rning menu. The
submenu
Sp eed th resh old appears ~ page 37, fig. 21.
- Set t he warning threshold you want.
Warning thresho ld 2 can be adjusted within a speed range of 30 to
200 km/h . Settings can be adjusted in intervals of 10 km/h each. •
Trip computer
Introduction
The trip computer gives you informati on on current and
average fuel mileage, average speed, fuel range and
driving time .
Fig. 22 T rip comput er
d isp lay: Ave rage fuel
mil eage
The following driving information is continuously evaluated by the
t rip computer and can be disp layed sequential ly in the instrument
cluster display.
Fu el ra ng e
The estimated cruising range in miles (km) appears in the disp lay.
This tel ls you how far your vehic le will be ab le to travel on the
current tank of fuel and with the same driving style . The display
changes in increments of 6 miles
(10 km).
The cruising range is calculated based on the fuel consumption for
the last 18 miles (30 km). If you drive conservative ly, the cruising
range will increase.
Ave rage fuel m ileag e
The average fuel economy in MPG (1/100 km) since you last cleared
the memory appears in this display. You can use th is disp lay to
adjust your driving technique to achieve a desired mileage.
C urr ent fu el mi leage
The instantaneous fuel consumption in m iles per gallon 0/100 km)
is shown in this display. You can use th is d isp lay to adjus t your
driving technique to achieve a desired mileage.
Fuel consumption is recalculated at intervals of 33 yards (30
meters) . When the vehicle is stationary, the most recent fuel
consumption is displayed .
Ave ra ge spee d
The average speed in mph (km/h) since the last time the display was
reset appears in the display.
E la p sed time
The length of time that you have been driving since you last reset
the memory appears in this display .
[ i ] Tips
• Fuel consumptions (average and current), range and speed are
displayed in metric units on Canadian models .
• All sto red values will be lost if the vehic le battery is
disconnected .•

& WARNING
• The ski sack is intended only for the transportation of skis and
other light objects. To reduce the risk of serious personal injury
never transport heavy or pointed objects in the ski sack.
• When braking rapidly or during an accident the load could be
displaced and cause injury to occupants.
• Sharp edges on the load must be covered for protection.
Always fasten the belt tightly around the sack and its contents
=> page 92, fig. 90.
[ i J Tips
Never stow the ski sack away if it's wet or damp (for example, snow
melting from skis) . Let it dry completely before you stow it away .•
Roof rack
First things first
A roof rack can be fitted to carry additional luggage on
the roof.
-Always read and follow the instructions provided by the
roof rack manufacturer when the roof rack system must
be installed.
If you are transporting luggage or other objects on the roof, please
note the following:
• Your vehicle has specially designed aerodynamic roof rails . Only
install a roof rack specifically designed for your model. Contact the
nearest Audi dealer for information on approved modular roof racks
for your vehicle.
• These approved roof racks are the basis for a complete roof rack
system. Additional attachments for the basic roof rack are neces-
Controls and equip ­
ment
Seats and storage
sary to safely transport luggage, bicycles, surf boards, skis or small
boats. All necessary hardware for these systems is available at your
authorized Audi dealer.
• We recommend that you keep the installation instructions for
your roof rack system together with your Owner's literature in the
vehicle.
When should the roof rack be removed?
• Before going through an automatic car wash (it is best to ask the
car wash operator for advice).
• When not in use , to reduce fuel consumption, wind noise and to
guard against theft.
& WARNING
• Use of an unapproved roof rack or incorrect mounting of an
approved roof rack can cause the roof rack or the items attached
to it to fall off the roof onto the road.
• Objects falling from the roof of a vehicle can cause a crash and
personal injury.
• Only mount the system between the markings shown in
=> page 94, fig. 91.
• The roof rack system must be installed exactly according to the
instructions provided.
0 Note
• Your vehicle warranty does not cover any damages to the vehicle
caused by using roof racks or mounting structures not approved by
Audi for your vehicle. The same applies to damage resulting from incorrect roof rack installation .
• Always check the roof rack mountings and hardware before each
trip and during a trip to make sure everything is securely tightened.
If necessary, retighten the mountings and check the entire system
from time to time . .,,
I • •

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Ap plies to vehicl es: wi th Adap tive Ai r Su sp ension
Chassis controls
Four different driving modes can be set by the driver.
The automatic contro l processes are speed -and time -dependent.
For example, it is not possib le to raise the suspension to the lift
mode above certain speeds.
L ev el a djustment
automatic
dynamic
aut om ati c Ground clearan
ce
about 4.7 - 4 .1 inches
(120 -105 mm)
about 4.7 inches (120 mm)
about 4.1 inches (105 mm)
a bo ut 5.3 inches ( 135 mm)
Se lect the automatic mode i f you p refer suspension and damping
settings emphasizing comfort .
• Low ering : When a speed of about 75 mph (120 km/h) is exceeded
for more than 30 seconds, the vehicle is automatically lowered by about 0.6 inch (15 mm) to the dynamic level which is more suitable
for highway speeds. Road holding is optimized as a result of the lower center of gravity and fuel consumption is reduced as a result
of reduced wind res istance.
• Rais ing : The vehicle is automatically raised again if the speed
falls below about 44 mph (70 km/h) for a period of 2 minutes . The
vehic le is raised immediate ly when speed falls below about 22 mph
(35 km/h).
s ta nd ard
Select the standard mode if you desire a suspension setting with a
special emphasis on comfort. In the standard mode there is
no
lowering of the suspension. Even a t high speeds, the vehicle stays
at the same level. Damping characteristics with a decided emphasis
on comfort are selected in this mode.
Controls and equip ­
ment d
y n ami c
Select the dynamic mode if you prefer a sporty suspension setting .
In this mode, the vehicle is lowered whi le it is still stationary and
spo rty damping characteristics are selected . The warn ing light
c.::i
in the instrument cluster will come on for a few seconds just to
remind you of the reduced ground clearance .
If y ou switch off the engine wh ile the ve hicle is in the dynamic mode
and then switch on the ignition once again, the
c.::i warning light
wi ll also come on again f or a few seconds as a reminder .
lift
Select the lift mode when you have to travel over poor sect ions of
road (e .g. trails). In the lift mode, the vehic le is raised by 0.6 inch (15
m m) compared to norma l leve l while it is stil l stationary and
damping characteristics are adjusted to emphasize comfort .
The lift mode can be activated only at speeds below 50 mp h (80
km/h) . When a speed of about 62 mph (100 km/h) is exceeded, the
system automatical ly leaves lift mode and the mode set previously
(standard, automat ic, dynam ic) is activated aga in. •
App lies to v ehic les : with Ada ptive Air Suspens io n
Setting the driving modes
The driving modes are set in MM/.
Fig . 189 MMI di splay:
Settin gs _,.
I • •

- Lack of proper maintenance as wel l as improper use of the
vehic le wi ll impair the func tion of the emission con tro l system
and could lead to damage.
<£> For the sake of th e envir onm ent
Even when the Emission Control System is operating properly, the
exhaust gas can have a su lfur -like exhaust gas smell under some
operating states . This depends on the sulfur content of the fuel
being used. Using a different brand of fue l may help, or filling the
tank with lead-free super grade gasoline. •
Avoid damaging the vehicle
When you are driving on poor roads, or over curbs, steep ramps,
etc., make certain that low- lying parts such as spoi lers and exhaust
system parts do not bottom out and get damaged.
This is especially true for vehicles with low-slung chassis (sports
chassis) * and fully loaded vehicles .
a
Operate your vehicle economically
and minimize pollution
General
Your personal style of driving will determine the economy
of your vehicle, as well as exhaust and noise levels.
Fuel economy, environmental impact, and wear on your engine,
brakes and tires largely depend on three factors:
• your personal driving style
• operating cond itions
• technica l limitations
Controls and equip­
ment Safety first Vehicle operation
Dri
ving and environm ent
If you anticipate what you need to do next and drive economica lly,
you can easily cut your fuel consumption by 10 -15 percent . This
section wil l give you some tips on how you can help the environ­
ment and your pocketbook.
[ i ] Tips
The consumption estimates as published by ENV IRONMENTAL
PRO TEC TION AGENCY (EPA) and Transport Canada may not corre ­
spond to your actua l consumption on the road, which wi ll vary
depending upon vehic le load and speed, road and weather condi­
tions, trip length, etc. •
Drive smoothly and keep a lookout ahead
Vehicles use the most fuel when they ore accelerating.
-Avoid unnecessary accelerat ing and braking.
Vehicles use the most fuel when they are accelerating . If you antici­
pate what is going to happen next, you wi ll need to brake less and,
thus, acce lerate less. Let the vehicle coast whenever possib le - for
examp le when you see that the next traffic light is red. •
Avoid full throttle
Driving at moderate speeds saves fuel and improves your
mileage.
-Try and keep well below your car 's max imum speed.
Acce lerating gently reduces fue l consumption , engine wear, and
does not disturb the environment.
Fue l consumption, exhaust emissions and engine noise increase
disproportionately at high speeds . If you drive at approximate ly
three quarters of top speed, fuel consumption wil l be reduced by
Vehicle care Do-it-yourself service Technical data

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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 Warranty
& Maintenance
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. _,

The engine and catalytic converter have to reach their optimal oper­
ating temperature to reduce fuel consumption and noxious emis ­
sions effectively.
Just after starting, a cold engine in a mid -size car only achieves a
fuel economy of 6-8 miles per gallon (30-40 1/100km) . After about a
half a mile, fuel economy climbs to 12 mpg (201/100 kml. After about
2.5 miles (4 km), the engine is at its proper operating temperature
and fuel economy has reached a normal level. So you can see that
you should avo id short tr ips whenever possible.
The outside temperature is also critical in this regard. Your car
consumes more fuel in the winter than in the summer. •
Controls and equip­ ment Safety first Vehicle operation
Driving
and environment
Vehicle care Do-it-yourself service Technical data

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0 Note
Driving with an insufficient oil level is likely to cause severe damage
to the engine.
[ i] Tips
• The oil pressure warning display~ is not an indicator of the oil
level. Do not rely on it. Instead, check the oil level in your engine at
regular intervals, preferably each time you refuel, and always before
going on a long trip.
• If you have the impression your engine consumes excessive
amounts of oil, we recommend that you consult your Audi dealer to
have the cause of your concern properly diagnosed. Keep in mind
that the accurate measurement of oil consumption requires great
care and may take some time . Your Audi dealer has instructions
about how to measure oil consumption accurately. •
Checking the engine oil level
Fig. 239 Illustration of
principle 1: Markers on
oil dipstick
Fig . 240 Illustration of
principle 2: Markers on
oil dipstick
Before you check anything in the engine compartment,
always read and heed all WARNINGS=> & in "Working in
the engine compartment" on
page 301.
Determining oil level
-Park your vehicle so that it is horizontally level.
- While at operating state temperature, briefly let the
engine run at idle and then shut it off.
- Wait approx. two minutes.
- Pull out the oil dipstick. Wipe off the oil dipstick with a
clean cloth, and slide it back in as far as it will go.
Pull it back out and read off the oil level=> fig. 239 or
=> fig.
240. Top off the engine oil, if applicable
=>
page 306.
Oil level within range @
- Do not add oil.
Oil level within range @
-You can add oil. Afterwards, the oil level should be within
range @. _,,,
Vehicle care I I irechnical data

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Oil l ev el within r ange
©
- You must add oil. Afterwards, the oil level should be
within range @.
The oil level needs to be checked at regular intervals. The best times
to do this are whenever you refuel and prior to long tr ips.
Depending on the way the vehicle is driven and the operating condi­
tions, oil consumption can be up to 1 quart per 1 .200 miles (1 liter
per 2.000 km) . Consumption may be higher within the first 3 .000
miles (5.000 km) .•
Adding engine oil "l=:7:
Fig . 2 41 Engine
co mp artm ent: Oil filler
ca p loc ation
Before you check anything in the e ngine compartment,
alw ay s read and h eed all WARNINGS ==> & in "Work ing in
the engi ne compartment" on page 301.
- Unscrew the cap
:::::> fig .241.
Carefully top off with the approp riate o il in 0.5 liter doses .
- Check the oil level again after two minutes
==> page 305.
- Top off the oil agai n, if necessary . - Sc
rew the cap back on the filling hole and slide the oil
dipstick in as far as it will go .
& WARNING
• Whil e topping o ff, the oil mu st not come in cont act with h ot
eng ine p arts -fire haza rd!
• The o il filler cap mu st be properly se cured to pr event oil from
b ei ng spr ayed on th e hot engi ne and e xhau st sy stem when the
engine i s running · fire ha zard !
• If y our skin has com e in contac t with the eng ine oil, you mu st
s ub sequently clean se it thoroughly.
0 Not e
• The oil level must not be above range @- danger of converter or
engine damage! Contact an authori zed dealership to draw off oi l, if
necessary.
• Audi do es not re comm end the use of oil add it ives. They may
d a mage the engi ne and adversely affe ct you r New Vehicle W arra nty.
cj? For the sake of the environment
• Under no circumstances can the oil come in co ntact with the
sewage network or the soil.
• Observe and follow legal regulations when disposing of empty
oi l containers. •
Changing the engine oil
We recommend that have your oil changed by an autho­
rized Audi dealer or a qualified service station.
Before you check anything in the engine compartment, a lways r ead
a nd h eed all W ARNIN GS=:>
& in "Working in the engine compart-
ment" on
page 301 . .,_