2009 AUDI S8 ignition

• ..__O_ n_ t_h _ e_ r_ o_ a_ d ____________________________________________________ _
[ 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. •

On the road -
----------------
Parking
To prevent a parked vehicle from rolling away, there are a
few things you should do.
When you park your vehicle , do the following
- Stop the vehicle using the brake peda l.
- Pull the switch to app ly th e electromechanical park ing
brake .
- Move t he selector lever into the
P positio n ~ &-
- Switch off the engine and remove the ignitio n key f rom
the ignition loc k.
When you park your vehicle on hills , do the
following
- Stop the vehicle using the brake peda l.
- Pull the switch to app ly th e electromechanical par king
brake.
- If you are parkin g headed
downhill , turn t he fro nt whee ls
toward the curb.
- If you are parking headed
uphill , turn t he front w heels
awayfrom the curb.
- Move the se lector lever into the
P position.
- Sw itch off the engine and rem ove the ignitio n key f rom
the ign ition lock.
& WARNING
Thi s is how you can reduce the r isk of injury when l eav ing your
v ehicle.
Controls and equip ­
ment
& WARN ING (c ontinued )
• Neve r p ark the vehi cle wh ere it c an come in cont act with dry
gra ss, s pilled fuel or any oth er fl amm able m ater ials.
• Wh en p arking on hill s, always turn the w hee ls s o that the front
wheel s will fir st roll into the cu rb , if the veh icle should start to roll.
• Never allo w anyone -e spe ciall y small ch ildren -to r em ain in the
vehi cle when it i s lo cked . Lo cked doors make it more diffi cult fo r
r e s cuers to acce ss the pa ssenger compartment in the event of an
emergen cy. Danger t o life!
• Never le ave chi ldren un supervi sed in the vehicle . Children
c ould release the p arking brake or mo ve the gear shift le ve r o ut of
g ear. The vehicle could start to roll away and cau se an a ccident.
• No matt er w hat the se a son i s, the temper atu re in a pa rked
vehicle can rea ch d angerou s levels.
0 Note
• Please exe rcise care when you park your vehicle in pa rking areas
with parking barriers or curbs . Parking barriers and curbs vary in
height and cou ld damage your bumper and re lated components as
the front of your vehicle moves over a barrier or curb that is too high, as you park or as you back out of a parking spot . In order to be
sure that no such damage can occur , you may w ish to stop short of
having the front tires of your car touch the parking barrier or curb.
• Please also exercise exceptional care when you drive up or down
steep ramps or drive over curbs or other obstacles, for which the
vehicle is not designed, because components of the vehicle close to
the ground, such as bumper covers, spoilers and suspension and exhaust system components, may become damaged. •
I • •

• .___O_ n_ t_h _e _ r_o _a_ d __________________________________________________ _
& WARNING (continued)
• Please note that inadvertently "resting" your foot on the accel­
erator pedal causes the cruise control not to brake . This is because
the cruise control is overridden by the driver's acceleration.
[ i J Tips
The brake lights illuminate as soon as the brakes decelerate
automatically. •
Changing speed
-Press lever in the 0 or O direction => page 137, fig. 149
to increase or decrease your speed.
- Release the lever to save that speed.
Change speed in increments of 1 mph (1 km/h) by lightly pressing
the lever . If you keep the lever pressed down, you will alter your
speed in 5 mph (10 km/h) increments.
You can also press the accelerator pedal down to increase your
speed, e.g . if you want to pass someone. The speed you saved
earlier will resume as soon as you release the accelerator pedal.
If, however, you exceed your saved speed by 5 mph (10 km/h) for
longer than 5 minutes, the cruise control will turn off temporarily.
The green symbol in the display=>
page 137, fig. 150 is rep laced
with a white symbol. The saved speed remains the same. •
Presetting your speed
You can preset your desired speed while the vehicle is not
moving.
- Turn on the ignition. -
Pull lever into position
G) => page 137, fig. 149.
- Press the lever in the
0 or O direction to increase or
decrease your speed.
- Release the lever to save that speed.
This function makes it possible, for example, to save the speed you
want before driving on the highway. Once on the highway, activate
the cruise control by pulling the lever toward
(D. •
Switching the system off
Temporary deactivation
- Press the brake pedal, or
- Press the lever into position
0 (not clicked into place)
=> page 137 , fig. 149, or
- Drive for longer than 5 minutes at more than 5 mph
(10 km/h) above the stored speed.
Switching off completely
-Press lever into position 0 (clicked into place), or
- Switch the ignition off.
The system retains the saved speed if you deactivate the cruise
control temporarily . To resume the saved speed, release the brake
pedal and pull the lever to position
(D .
Switching the ignition off erases the saved speed.
& WARNING
You should only return to the saved speed if it is not too fast for
the current traffic conditions -risk of an accident! •

• ..__A_ d_a...: p:,..._ ti_v _ e_ C_ ru_ is_ e_ C_ o_n_ t_ r_ o _ l ___________________________________________ _
Switching the system off
-Press the lever to position @(latched). •
Applies to veh icles: with Adapt ive Cruise Cont rol
Hovv is the speed stored ?
'° "' M
Fig. 154 Control lever:
Storing speed
With the system switched on the speed is stored as follows:
- Drive at the speed you want. The speed must be between 20 and 95 mph (30 and 150 km/h).
- Press the SET button to store the desired speed.
After the (SETI button is released, the current speed is stored and
maintained.
The instrument cluster display shows the stored speed with a red
indicator light~
page 146.
[ i ] Tips
For safety reasons, the stored speed is erased when the ignition or
the ACC is turned off.•
App lies to vehic les: w it h Adapt ive Cruise Contro l
Changing stored speed
Speed can be changed without touching the accelerator
or brake pedal.
Increasing speed
....
"' M ~ w .,
"'
Fig . 155 Control lever:
Changing speed
- Press the lever briefly upwards Q. USA models: Speed
increases by about 2.5 mph. Canada models: speed will
increase by one mark on the speedometer scale.
- Press the lever upwards
Q and hold it. As long as you
hold the lever up, the light diode display in the speedom­
eter LED display moves forward and the speed is
increased.
Reducing speed
- Press the lever briefly downwards Q. Speed decreases
by 2.5 mph. Canada models: speed will decrease by one
mark on the speedometer scale.
- Press the lever downwards
O and hold it. As long as you
hold the lever down, the light diode display in the speed ­
ometer LED display moves backward and the speed is reduced. ._