2009 AUDI S8 Owners Manual

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the outside air drops, fresh air is supp lied to the veh icle interior
again .
In the event that the windows fog up during automatic air recircula­
tion, you must press the@ button immediately.
Under certa in operating cond itions, automatic air recirculation is
switched off automatically. With outside temperatures below about
-8 °C and in the ECON mode, automatic air recirculation is limited to
15 seconds. •
Synchronization
One climate control setting for all seats .
With synchronization active, the driver's or the passenger's settings
are adopted for the other seats . All the other settings that were
made are transferred to the other seats. This includes all the climate
control settings right down to the heated seats .
If a different setting is selected at a "synchron ized seat", synchroni ­
zation is cancelled. •
Center air vent
The temperature of the air leaving the center vents can be
changed to differ from the temperature setting .
Controls and equip­
ment
Fig . 14 2 MMI di spl ay :
Ce nte r air ve nt
The air flow coming from the center vents can be adjusted to be
colder or warmer than the selected set temperatu re.
In this way you have the opportunity to have the a ir flow from the
center vents a little warmer or coo ler, depending on the time of year .
A litt le cooler in the summer and a little warmer in the winter. •
Applies to vehic les : with rear air condition in g
Rear seat operation
The rear climate con trols can be op erated from the
driver's area.
With active rear seat operation, the driver or the passenger can
operate the rear climate control system from
his/her controls. •
Applies to vehicles : w ith so lar roof
Solar operation
Depending on the solar irradiation in the vehicle, the fan
will run using solar power to keep fresh air circulating
inside the vehicle, even af ter you switch off the ignition.
- Switch the solar operation to on.
After you switch off the ignition, the fan is operated using solar
power from the solar roof. Make sure outlets
G) and © are open for
maximum ventilation =>
page 122, fig. 137.
The ventilation works on ly if the sunroof is closed or t ilted u p.
If you turn off the engine whi le the air recirculation is on, the air
conditioning automatically switches to fresh air mode.
Solar ope ration is not activated a t low outside tempe ratures .•
I • •

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On the road
Steering
Adjusting steering wheel position
The steering wheel position can be adjus ted for height
and reach .
First, adjust t he driver's seat correctly .
Height adjustment
Fig. 14 3 Sw itch for
s te erin g whe el adj ust­
m en t
- Pu sh the sw itch @ up or down ~ fig. 143 . The steering
wheel height changes for as l ong as y ou p ress t he sw itch.
Rea ch adjustment
Push the switch @forward o r bac kward ~ fig. 143 . The
steering wheel reach changes for as long as you press
the switch.
There must be at least 10 inches (25 cm) between your chest and the
center of the steer ing wheel. If you cannot sit more than 10 inches
(25 cm) from the steering wheel, see if adaptive equipment is avail- able to help you reach the pedals and increase the distance from the
steering wheel.
For detailed
in formation on how to adjust the driver's seat , see
::::;, page 87 .
The steering wheel can be adjusted even when the ignition is turned
Of f. For vehicles w ith seat memory, the individual positions for the
steering wheel can be stored a long with the seat position.
& WARNING
Improper u se of steering wheel adju stment and improper seating
po sition can cau se se rious per sonal inju ry .
• Adjust the steering wheel column only when the vehicle is not
mo ving to prevent los s of vehi cle control.
• Adjust the driver' s seat or steering wheel so that there is a
mi nimum of 10 in ch es (25 cm ) bet ween your chest and the
s teering wheel
=:> page 202 , fig. 218 . If you cannot maintain this
minimum di sta nce , the airbag sy stem can not prote ct you prop ­
erly .
• If physical limitations prevent you from s itting 10 inche s (25
cm ) or more from the st eering wheel , check with your authori zed
Audi dealer to see if adapti ve equipment i s available .
• If the steering wheel i s aligned with your face, the sup ple ­
mental drive r's airbag cannot pr ovide a s mu ch pr otection
in an
ac cident. Alway s make sure that the steerin g wheel i s aligned with
your che st .
• Alway s hold the steering wheel with your hand s at the 9 o'clock
a nd 3 o'clock positions to redu ce the ri sk of person al injury if the
driv er's airbag deploys.
• Never hold the steer ing wheel at the 1 2 o' clock po sition or with
your hand s insid e the steering wheel rim or on the steering wheel
hub . Holding the steering wheel the wrong wa y can cau se ser ious ..,,

___________________________________________________ O_ n_ t_h _e_ r_o _a_ d _ ___.9I
& WARNING !continued)
injuries to the hands, arms and head if the driver's airbag
deploys. •
Easy entry feature
The easy entry feature makes it easier to enter and exit the
vehicle by automatically adjusting the steering wheel.
Press the button @ :::> page 128, fig. 143 to turn the easy
entry feature on or off.
When the easy entry feature is turned on (button depressed), the
steering wheel moves up to the parked position when the ignition is
turned off. After you enter the vehicle, the steering wheel moves to
the stored position as soon as you turn on the ignition. •
Ignition lock and ignition switch
Ignition key positions
The engine can be started or turned off with the ignition
key.
Con tro ls and eq uip­
ment
Fig . 144 Ignition
switch positions
Position @
The ignition key can be inserted into the ignition switch in this posi ­
tion. This automatically unlocks the steering column lock. When the
ignition key is removed, the steering column lock is automatically
locked=> &.
Ignition on G)
Turn the ignition key to this position and release it.
Starting the engine @
The engine starts with the key in this position. Major electrical loads
are temporarily turned off.
Ignition off G)
Turn the ignition key to this position and release it.
& WARNING
• Never remove the key from the ignition lock while the vehicle is
moving. The steering wheel will lock, causing loss of control.
• If you have to leave your vehicle, even for just a minute, always
remove the ignition key and take it with you. This is especially
important if you are going to leave children unattended in the
vehicle. The children could start the engine or use other vehicle
controls. Unsupervised use of vehicle controls (for example, power
windows) can cause serious personal injuries.
0 Note
• If the ~ symbol in the display blinks, there is a malfunction in the
electronic steering column lock. Follow the instructions in
=>
page 33, "Steering malfunction i".
• If the .Pc, symbol in the display blinks, there is a malfunction in
the electronic ignition lock. Follow the instructions in
=> page 33,
"Ignition lock malfunction .Pe". ..,.
Vehicle care I I irechnical data

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[ i J Tip s
• If you release the ignition key in positions G) , @ or G), the key
automat ically returns to pos ition @.
• If you open the driver 's door when the ignition is switched on , a
buzzer sounds and the message
Ignition i s on appears in the instru ­
ment cluster display. Please switch the ignition off .•
Ignition key safety lock
The igni tion key can only be remove d when the selector
lever is in the "P" (Park) posi tion.
After turning off the ignition , the igni tion key can only be removed
from the ignition lock when the selector lever is in the "P" (Park)
position . Af ter you have removed the key, the selector lever is locked
and cannot be moved .•
Starting and stopping the engine
Starting the engine
The engine ca n only be started with your original Audi
key.
Fig. 145 Ignitio n ke y
po sitions
Ste p on the brake.
- Move t he selector lever into P or N
~ &.
Turn the ign ition key to position 0 ~ fig . 145 -do not
depress the gas pedal when s tarting the engine .
A cold engine may sound loud after it has been started . This is due
to the hydrau lic valves building up oil pressure. This is normal and
is not a need fo r concern .
I f the engine does not start immediately, stop t rying after 10
seconds and then try to restart the engine about 30 seconds later .
& WARNING
Never sta rt or let the engine run in a confined or en clo sed are a.
Exhaust fumes from the engine contain carbon monoxide, a color ­
less and odorle ss gas. Carbon mono xide can be fatal if inhaled.
• Never leave the engine idling unattended. An unattended
vehicle with a running engine po ses a d ange r of person al injury or
theft.
0 Note
• Avoid high e ngine speeds, fast acceleration or heavy eng ine
loads while the engine is still cold. This could damage the engine.
• The eng ine cannot be s tarted by push ing or towi ng the vehicle.
c£> For the sake of the environment
To avoid unnecessary engine wear and to reduce exhaust emis ­
sions, do not let your vehic le stand and warm up. Be ready to drive
off im mediately after starting your vehicle . Maintain moderate
speed until the engine is completely warm . Remember , the engine
performs best at operating temperature. •

On the road -
-------------------'
Stopping the engin e
-Turn the ignition key to position ©~ page 130, fig. 145.
& WARNING
• Never turn off the engine until the vehicle has come to a
complete stop.
• The brake booster and servotronic only work when the engine
is running. With the ignition turned off, you have to apply more
force when steering or braking. Since you cannot steer and stop
normally, this can lead to accidents and serious injuries .
• The radiator fan can continue to run for up to 10 minutes even
after you have turned off the engine and removed the ignition key.
The radiator fan can also turn on again if the engine coolant heats
up because of intense sunlight or heat build-up in the engine
compartment.
0 Note
Do not stop the engine immediately after hard or extended driving.
Keep the engine running for approximately two minutes to prevent
excessive heat build-up.•
Con tro ls and eq uip­
ment
Starting and stopping the engine
using the Convenience key
A pp lies to veh ic les: w ith Convenie nce key
Starting th e engin e using th e [ START ] button
Using this button, you can switch on the ignition and start
the engine .
0
0
Fig. 146 Convenience
key: START button
The [ START] button has a two position feature. ~ fig. 146.
Switching on the ignition
- Press the [
START] button to the first position. Only the
ignition switches on .
Starting the engine
- Depress the foot brake.
- Move the selector lever into the P or N position
~ & .
- Press the I START] button to the second position. The
engine starts.
Vehicle care I I irechnical data

-On th
e roa d --------------------
When s tarting a cold engine, the engine may be a bit noisy for a
s h or t while. This is because the hydraulic valves are working to
bring up the oil pressure. This is norma l and no cause for concern .
If the engine does not start immediately, stop cranking the engine
af ter 10 seconds . Wa it 30 seconds, then try to restart the eng ine .
& WARNING
Ne ver sta rt the en gine in an en clos ed area su ch a s in your gar age
with th e garage door clo sed . The exhau st fum es are poisonous!
0 Note
• Avoid high engine speeds, full gas or heavy engine loads if the
eng ine has not warmed up to its operating temperature. You cou ld
damage the engine.
• Do not try to start the engine by pulling or pushing .
<£> For the sake of the environment
Do not let your veh ic le stand and warm up . Be ready to drive off
right away. This way, you prevent unnecessary exhaust emissions .
[ i J Tip s
If you open th e driver 's door when the ignition is switched on , a
buzzer sounds and the message
Ignition i s on appears in the instru ­
ment clust er display. Pl eas e switch the ign ition off .•
Ap plies to vehicles: w it h C onve nience key
Stopping the engine using the [STOP] button
0
0
- Bring t he vehicle to a complete stop.
Fi g. 14 7 Co nve nie nce
key: S TOP butt on
Move t he s elect or in to the P or N posi tion .
Press the [STO P) button ~ fig. 147 .
Pressing the [ STOP) but ton once sw itches off the engine and the
ignition . If you press the [
STOP] button again for approximately 2
seco nds, the steering wi ll be locked, provided that the selector lever
is in the P position
=> & .
Emergen cy OFF fun cti on
I f necessary , th e engine can be switched off with the selector lever
in the R, Dor S pos it ions . To do so, step on the foot brake and press
and hold the [
ST OP] button (vehicle speed must be be low 6 mph/
10 km/h) .
& WARNING
• Never stop the engine until the vehi cle h as c ome to a c omplete
stop .
• The bra ke booster and the se rv otronic only work when the
engine i s running .
If you turn off the engine , more force will be

On the road -
----------------
& WARN IN G ( continu ed )
required to steer or bra ke the vehicle . If you are not prepa red , th is
c ould re sult in a collision and serious per sonal in jur y.
• For your safet y, move the sele ctor lever t o the P po sition , then
turn off the engine . Otherwise the veh icle could inadvertently roll
away .
• After t urning off th e engine , the r adi ator f an c an come on and
run for up to 10 mi nute s -even if the i gnition i s switc hed off . Like­
wise , the fan could come on if the temperature in the engin e
c omp artment r ais e s due to heat build up or if you le ave the vehi cle
s tandin g in direct sunlight .
0 Note
After driving at high engine load, heat can build up in the engine
compartment after you have turned off the engine. This can damage
t he engine . Let the veh icle stand and run in idle for about 2 minutes
before turning off the engine .•
Ap plies to ve hicles : w ith Conve nie nce key
Driver's messages in the instrument cluster
Messages appear in the instrument cluster to let the
driver know if something is missing or if some thing must
be done.
No ke y identified
This message appears when you press the [ START ] button, but
there is no remote control key insi de the vehicle or if the system
does not recogni ze the key . For example, if your key is
shielded by
an object or
encased, i.e . inside an a lum inum briefcase, the signal
from the key cannot be detected. Electronic devices such as cell
phones can also interfere with the radio signal.
Controls and equip ­
ment P
re ss br ake pedal to start engine
This message appears when you press the I S TART] button when
starting the engine but you have not depressed the brake pedal.
En gage N or P to start e ngine
This message appears when you start the engine but the selector
lever is not in the P or N position. The e ngine can be sta rted o nly if
the selector lever is in one of these two positions.
.!., Key not in vehicle
This message appears together with the ..Z. symbol when the
remote control key is removed from t he vehicle whi le the eng ine is
running . This is to remind you that you should not continue your trip
without you r key .
If the key is no longer inside the veh ic le when you turn off the
engine, you will not be able to switch on the ignition or restart the
engine. Also, you will not be ab le to lock the vehicle from the
outside.
S hift to P, othe rwis e vehi cle ca n roll a way. Door s do not lo ck i f lev er
is not in P.
This message appears for your safety together wit h an aud ib le
warning signa l when you press the [S TO P] button but the selector
lever is not in the P position and you open the driver 's door . Move
the selector lever into P, otherwise the vehic le could roll away. In
addition, you w ill not be able to lock the vehicle with either the lock
button located on the door handle or the remote control.
T o engage steering lo ck, press a nd hold STOP button
This message appears for your personal safety if you switch off the
eng ine and the ignition by pressing the
I S TOP ] button and then
open the driver's door . In this case, the steering will still not be
locked . The stee ring wheel wi ll lock :
• I f you press the
I STOP ] button for longer than 1 second.
• I f you lock the vehicle from the outside .•
I • •

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Electromechanical parking brake
Operation
The electromechanical parking brake replaces the hand
brake.
F ig. 148 Cen ter
co nso le: P arki ng br ake
Pu ll the switch to app ly the parking brake==> fig. 148 . The
indicator light in the sw itch will com e on.
Step on t he brake ped al o r th e accelerat or pedal and
press the switch at the s am e time to rel eas e the parking
brake . The indicator light in t he switch w ill go out .
Your vehicle is equipped w ith an electromechanical parking brake
which replaces the handbrake . The parking brake is designed to
prevent the vehicle from rolling unintentionally .
In addition to the norma l functions of a trad itiona l hand brake, the
e lectromechanical parking brake provides various convenience and
safety functions.
Em erg en cy brake
An emergency brake ensures that the vehicle can be slowed even if
the
normal brakes fa il=> page 136, "Emergency braking".
Indi ca to r light s
• If the pa rking brake is app lied with the ignition turned on, the
indicator light in the instrument cluster (U.S. models:~-Canadian
models: ©) and in the switch © will come on .
• If the parking brake is applied with the ignition
turned off , the
indicator light in the instrument cluster (U .S . models :~~ , Canadian
models :(®) ) and in the switch(®) will come on for about 30 seconds
and then go out.
& WARNING
If the vehicle i s stationary and the transmis sio n i s e ngag ed with
the eng ine running , th e engine should n ot b e speeded up (e .g .
manu ally from under the ho od). Oth erw ise th e vehi cle will start t o
mo ve • you r un the ris k of an acc ident .
0 Note
If the warning/indicator light (U .S . models: BRAKE , Canadian models:
{(j))) flashes in the instrument cluster, there is a brake system
malfunction . By pressing the
I C HE CK] button , you can bring up a
driver message which explains the malfunction in more detail. If the
message
Parking brake ! Plea se conta ct w ork shop appears, there is
a parking brake malfunction which you should have repaired imme ­
diate ly by an authorized dealership=:>
page 30.
[ i ] Tips
• You can app ly the parking brake at any time -even with the igni ­
tion turned off . T he ignition mus t be turned on in order to release
the parking brake.
• Occasional noises when the parking brake is applied and
released are norma l and are not a cause for concern .
• The parking brake goes through a se lf -test cycle at regular inter ­
va ls - when the vehicle is parked. Any associated no ises are
normal. •