2011 AUDI S8 start stop button

Instrument s and warnin g/indi cator ligh ts 15
-USA models: If the -warning light,
the
G] warning light and the B warn­
ing light come on together, the rear
wheels could lock up first under hard
braking. Rear wheel lock-up can cause
loss of vehicle control and an accident.
Have your vehicle repaired immediately
by you r autho rized Aud i dea le r or a qua li­
fied workshop. Drive slowly and avoid
sudden, hard brake applications .
-Canada models: If the b rake warn ing
light ., the
I] warning light and the
ABS warning light
II] come on together,
the rear wheels could lock up first unde r
hard braking. Rear wheel lock-up can
cause loss of vehicle control and an acci­
dent . Have your vehicle repaired immed i­
ately by your authorized Audi dealer or a
qualified wo rkshop . Dr ive slowly and
avo id sudden, hard brake applicat io ns.
- If the brake warning/indicator light does
not go o ut afte r a few seconds and the
par king brake re leased, or lights up while
yo u are d rivi ng, the flu id level in the
brake fluid reservo ir is too low . If you be­
lieve that it is safe to do so, proceed im ­
mediately at low speed to the nea rest
authorized Audi dealer or qualified repair
facility and have the brake system in­
spected.
-Always keep in m ind that after several
brake applicat ions, you will need greater
pressure on the brake peda l to stop your
vehicle . Do not re ly on stra ined brakes to
respond w ith maxim um stopp ing power
in c riti cal situatio ns. You mus t allow for
increased bra king dist an ces. The ex tra
dis tance used up by fad ing br akes could
lead to an acc ident .
PARK/ (®) Electromechanical parking
brake
The warning/indicator light monitors the
electromechanical parking brake .
If th e indicator light - (USA models) ;a
(Canada models) tu rns on, the par king brake
was set. If the parking brake is set when the ignition
is off, the indicator light turns off a f­
ter abo ut 20 seconds .
T he wa rni ng/i ndi cator lig ht w ill go out when
the parking br ake is re leased.
- (USA models) ;a (Canada models )
Caution : V ehicle park ed too steep
If the indicator light bli nks and the message
appears, there is not enough braki ng power to
keep the vehicle from roll ing . T he b ra kes have
ove rheated. The vehicle could roll away eve n
o n a small incl ine.
Pre ss brake pedal to release parking brake
To re lease the parking brake, press the brake
pedal and press the button~ or start driving
with starting assist at the same time
~ page 82.
Please release parking b rake
T o re lease the par king brake manually, p ress
the brake peda l and press the button~ at the
same t ime. The parking b rake only re lease a u­
tomat ica lly if the driver's safety belt is fas­
tened.
IIJ Parking brake!
If t he IIJ indica to r li ght tur ns on and this
message appears, the re is a parking b rake
malfunction . Drive to your au thorized A udi
dealer or qualified workshop immediately to
have the malfunct ion corrected .
-L Engine cooling system malfunction
A malfunction in the engine cooling system
must be repaired as soon as possible.
• Switch off engine and che ck coolant level
If the indicato r light turns on and the mes­
sage appears, the coolant temperature is too
high o r the coolan t leve l is too low.
" Pull off the road.
" Stop the vehicle .
" Tu rn off the engi ne.
" Check coolant level~
page 229 .
"Add coolant if necessary ~ page 230.

34 Opening and clo sing
@ Tips
If your vehicle has been standing for an ex­
tended period, please note the following:
- The proximity sensors are deactivated af-
ter a few days to save power. You then
have to pull on the door handle once to
unlock the vehicle and a second time to
open the vehicle.
- To prevent the battery from being dis­
charged and to preserve your vehicle's
ability to start for as long as possible,
the ene rgy management system gradu­
ally switches off unnecessary conven­ i ence fun ct ions.
It is possible that you
will not be able to unlock your vehicle us­
i ng these conven ience f unctions.
- For Declarat ion of Compliance to United
States FCC and Indus try Canada regul a­
tions¢
page 286.
Operating locks with the key
In the event of a failure of the power locking system, the driver's door con be locked and
unlocked at the lock cylinder.
Fig. 2 0 Key turns for opening and closing .
.. Remove the mechanical key¢ page 30.
.. Turn the key to the left to unlock the driver 's
door .
.. Turn the key to the r ight to lock the driver's
doo r¢
/1. .
_& WARNING
Read and follow all WARNINGS r:::;, & in
General description on page 31.
Locking and unlocking the vehicle from
inside
Fig. 21 Drive r's door; power lock ing switch
Fi g. 22 Rear power locking switch
.. Press the button@ to lock the vehicle¢ /1..
.. Press the button al to unlock the vehicle
r:::;,ffg. 21, ¢ fig . 22 .
If you lock the vehicle using the power locking
switch, please note the followi ng:
- You cannot open the doors or the rear lid
from the
outside ( increased security, for ex­
ample when you are stopped at a red light).
- The diodes in the power locking switches il-
luminate when all the doors are closed and
locked .
- You can un lock and open the doors from the
inside by pulling on the door handle .
- If you have a crash and the airbag is activat­
ed, the doors automatically unlock.
_& WARNING
--The power lock ing switch works with the
ignit io n off and a utomat ica lly locks the
e ntire veh icle when it is actuated.
- On a vehicle locked from the outside the
power locking sys tem switch is inopera­
tive.

Power windows
Controls
The driver can control all power windows.
Fig. 30 Section of the driver's door: Controls
All power window switches are provided with
a two-pos ition function:
Opening the windows
"' Press the switch to the first stop and hold it
until the window reaches the desired posi­
tion.
"' Press the switch briefly to the
second stop
to automatically open the window .
Closing the windows
"' Pull the switch to the first stop and hold it
until the window reaches the desired posi­
t ion.
"' Pull the switch briefly to the
second stop to
automatical ly close the window.
Power window switches
@ Driver's door
@ Passenger's door
© Left rear door
@ Right rear door
® Safety button (or two safety buttons in ve­
hicles with power child safety locks
<=>page38)
Child safety lock
When the safety button® c:> fig. 30 is press­
ed, the LED in the button lights up. The fol­
l owing features are switched off:
- The power windows in the rear doors,
Opening and closing 39
- The buttons for the power sun shades* in
the side windows,
- The buttons for the power sun shade* in the
rear window,
- Front passenger power seat adjustment*
button.
&_ WARNING ~
- When you leave your vehicle -even if on-
ly briefly - always take the ignit ion key
with you. This applies particularly when
children remain in the vehicle. Otherwise
the children could start the engine or op­
erate electrical equipment (e.g. power
windows). The power windows are func­
tional until the driver's door or passeng­
er 's door has been opened.
- Be careful when closing the windows.
Check to see that no one is in the way, or
serious injury could result!
- When locking the vehicle from outside,
the vehicle must be unoccupied since the
windows can no longer be opened in an
emergency .
(j) Tips
- The driver can lower or ra ise the power
sun shades* in the sid e windows by using
switches © and @.
- After the ignition has been switched off,
the windows can st ill be opened or
closed for about 10 minutes. The power
windows are not switched off until the
driver's door or passenger's door has
been opened.
What to do after a malfunction
The one-touch open and close function must
be reactivated if the battery has been discon­
nected.
"' Pull and ho ld the power window switch until
the window is fully closed.
"' Release the switch and then pull it again for
at leas t one second.

the stored position as soon as you switch on
the ignition.
Starting and stopping
the engine
Starting the engine
This button switches on the ignition and
starts the engine.
Fig. 80 Center console: S TART ENGINE S TOP b utton
" Step on the brake pedal¢&_ .
.. Press on the !START ENGINE STOP I button
¢ fig. 80 -the engine w ill start .
By pressing the
I START ENGINE STOP I button
without depressing the brake pedal, the igni­ tion is on and switched off by pressing it
again.
After a cold engine is started, there may be a
brief period of increased noise because oil
pressure must first build up in the hydraulic
valve adjusters. This is normal and not a cause
for concern.
If the engine should not start immediately,
the starting process is automatically stopped
after a short time. Repeat starting procedure.
Driver message in the instrument cluster
display
Press brake pedal to start engine
This message appears if you press the
I START ENGINE S TOP I button to start the en­
gine and do not depress the brake pedal. The
engine can only be started if the brake pedal is depressed.
!! Convenience key: Is key not in the vehi­
cle?
On the road 79
This message appears along with thee sym ­
bol if the master key is removed from the ve­
hicle with the eng ine running.
It is intended
to remind you (e.g . when changing drivers)
not to continue the journey without the mas­
ter key.
If the master key is no longer in the veh icle,
you cannot switch on the ignition after stop­
ping the engine and you also cannot start the
engine again . Moreover, you cannot lock the
vehicle from the outside with the key.
Shift to P, otherwise vehicle can roll away.
Doors do not lock if lever is not in
P.
This message appears for safety reasons
along with an audible warning tone if the
P
selector lever position is not engaged when
stopping the engine with the
I START ENGINE STOP I button. Select the P se­
lector lever position . Otherwise the vehicle
cou ld roll and it cannot be locked .
Key not recognised. Hold back of key against
marked area . See owner's manual.
If the indicator light turns on and this mes­
sage appears, there is a malfunction
¢ page 80.
Steering lock
The steering locks when you turn the engine
off using the
I START ENGINE STOP I button
and open the driver's door. The locked steer­ ing helps prevent vehicle theft.
A WARNING
- Never allow the engine to run in confined
spaces - danger of asphyx iation.
- Never turn off the engine until the vehi­
cle has come to a complete stop.
- The brake booster and power steering
only work when the engine is running. If
the engine is off, you have to use more
force when steering or braking. Because
you cannot steer and brake as you usual­
ly would, this could lead to crashes and
serious injuries.

80 On the road
(D Note
-Avoid hig h engine rpm, fu ll throttle and
heavy engine loads unti l the engine has
reached operating temperat ure -other­
wise you risk eng ine damage.
- The engine cannot be started by pushing
or towing the vehicle.
- If the engine has been under heavy load
for an extended period, heat b uilds up in
the engine compartment after the en­
gine is switched off - there is a risk of
damaging the engine . Allow the eng ine
to run at idle for about 2 minutes before
switching it off.
@ Tips
If you open the driver's door with the igni­
tion on, a buzzer sounds and the message
Igniti on is on appears in the instrument
cluster display. Sw itch the ignition off .
Stopping the engine
• Bring your vehicle to a complete stop.
.. Move the se lector lever to the
P or N pos i­
t ion .
.. Pre ss the I STAR T ENGINE ST OP I button
r:> page 79, fig. 80 .
Emergency off
If necessary, the engine can be switched off
with the selector lever in the
R , D or S posi­
tions . The engine stops if you press the
I S TAR T ENGINE ST OP ! button at speeds be low
6 mph (10 km/h).
A WARNING
- Never turn off the eng ine unti l the vehi­
cle has come to a complete stop.
- The brake booster and power steer ing
only work when the engine is runn ing .
If
the engine is off, you have to use more
force when steering or braking. Because
you cannot steer and brake as you usua l­
ly wo uld, this could lead to crashes and
serious injuries. -
For safety reasons, you should a lways
park your vehicle w ith the selector lever
in P . Otherwise, the vehicle could inad­
vertently roll away .
- After the engine has been switched off,
the radiator fan can cont inue to run for
up to 10 minutes -even with the ignition
sw itched off. It can also sw itch on again
after some time if the coolant tempera­
ture rises as the result ofa heat bu ildup
or if the engine is hot and the engine
compartment is additionally heated by
the sun's rays .
(D Note
Do not stop the eng ine immedia tely after
hard o r extended driving. Keep the engine
running for approximate ly two minutes to
prevent excessive heat bui ld-up.
Starting the engine if there is a
malfunction
It may not be possible to start the engine un­
der certain circumstances, for example if the
battery in the vehicle key is drained, if inter­
ference is affected the key or if there is a sys­
tem malfunction.
"' ij
:c
-- --- -~
Fig . 81 Ce nter co nsole/master key: start ing the e ngin e
i f there is a malfunct ion
Requirement: The message K ey not recog­
niz ed . Hold back of ke y again st ma rked are a.
See o wner's manual.
must appear and the in ­
dicator light
m must switch on .
.. Hold the master key vertically in the loca­
tion indicated
y >>) <=> fig . 81.
• Press the brake pedal r=> & in Starting the
engine on page 79 .
IJ>,

.. Press the !START ENGINE STOPI button. The
engine will start.
.. Drive to your author ized Audi dealer imme­
diately to have the malfunction corrected .
@ Tips
You can view the message again by press­
ing the
! START ENGINE STOPI button.
Electromechanical
parking brake
Operation
The electromechanical parking brake replaces
the hand brake.
Fig. 82 Center console: Park ing brake
.. Pull on the switch<®> c> fig . 82 @to apply
the parking brake. The indicator light in the
switch illuminates.
.. Step on the brake pedal or the accelerator
pedal and press the switch <®> at the same
t ime to release the parking brake. The indi­
cator light in the switch goes out.
Your vehicle is equipped with an electrome­
chan ical parking brake. The parking brake is
designed to prevent the vehicle from roll ing
un intent ionally and replaces the hand brake.
In addition to the normal functions of a tradi­
tional hand brake, the electromechanical parking brake provides various convenience
and safety functions.
When starting from rest
-The integral starting assist helps you when
driving by automatically releasing the park­
i ng brake
c> page 82, Starting from rest.
On the road 81
- When start ing on inclines, the starting as­
sist prevents the vehicle from unintentional­
ly rolling back. The braking force of the
parking brake is not released until sufficient
driving force has been built up at the
wheels.
Emergency brake function
An emergency brake ensures that the vehicle
can be slowed down even if the
normal brakes
fail
c> page 83, Emergency braking.
Indicator lights
-If the parking brake is closed with the igni­
tion
switched on the indicator lights come
on - (USA mode ls)/ . (Canada models)
in the instrument cluster and the switch.
- If the parking brake is closed with the igni­
tion
switched off the indicator lights come
on - (USA models)/ . (Canada models)
in the instrument cluster and the switch for
about 20 seconds .
A WARNING
Do not press the accelerator pedal inadver­
tently if the veh icle is stationary but the
engine is running and a gear is selected .
Otherwise the vehi cle w ill start to move
immediately and could result in a crash.
(D Note
If the symbol . in the display or the indi­
cator light
11111 (USA models)/ . (Cana­
da models) in the instrument cluster flash­
es, there is a malfunction in the brake sys­
tem. Please refer to the detailed descrip­
tion of the indicator lights
c>page 14.
- If the indicator light -(USA mod-
els)/ . (Canada models) or
Im turns
on, there may be a malfunction in the
parking brake
c> page 15.
{I) Tips
-Yo u can app ly the parking brake at any
time -even with the ignition switched
off. The ignition must be on in order to
release the parking brake.

Depending on the weight of the r ig (vehicle
and trai ler) and the severity of the incline, you
may roll backwards as you start. You can pre­
vent roll ing backwards by holding the parking
brake switch(®) pulled out and accelerating -
just as you would when starting on a hill with
a conventional hand brake.
Emergency braking
In the event that the conventional brake sys­
tem fails or locks.
... In an emergency, pull the switch(®) and
continue to pull it to slow your vehicle down
with the parking brake.
... As soon as you release t he sw itch (®) or ac-
ce lerate, the braking p rocess stops.
If you pull the sw itch(®) and hold it above a
speed of about 5 mph (8 km/h), t he emergen­
cy braking fu nction is in itiated . The vehicle is
b raked at all four wheels by activating the hy­
d ra u lic bra ke system. The b rake performance
i s simi lar to making an emergency stop
c::> &. .
In order not to activate the emergency brak­
ing by m ista ke, an audible warning tone (b uz­
z er) sou nds when the switch®> is pulled. As
soon as the switch(®) is released, or the acce l­
erator pedal is dep ressed, emergency brak ing
stops .
A WARNING
Emergency braking should only be used i n
an emergency, when the normal foot brake
has failed or the brake pedal is obstructed.
Using the parking brake to perform emer­
gency braking will slow you r vehicle down
as if you had made a fu ll brake applicat ion.
T he laws of physics can not be s uspended
even w ith ESP and its associated compo­
nents (ABS, ASR, EDL). In corners and
when road or weather conditions are bad,
a full brake application can cause the vehi­
cle to skid or the rear end to break away -
r isking an accident.
On th e ro ad 83
Speed warning system
Introduction
The speed warning system helps you to stay
under a specified maximum speed .
The speed warning system warns you if you
are exceeding the maximum speed that you
have set. You will hear a warning tone when
you r speed exceeds the stored value by ap­
proximately 3 mph (3 km/h) . An indicator
li ght . (USA
models) ;a (Canada mode ls) in
the instr ument cluster d isp lay al so tur ns on at
the same time. The indicator light . /.
turns off when the speed decreases be low the
stored maxim um speed .
Se tting a t hreshold is recommended if you
would like to be rem inded w hen you reach a
certain maximum speed. Situations where you
may want to do so incl ude driv ing in a co untry
with a genera l speed limit or if there is a
specified maximum speed for winter tires.
(D Tips
Even though your vehicle is eq uipped w ith
a speed warn ing system, you sho uld still
watch the speedometer to make sure you
are not dr iv ing faster than the speed limit.
Setting the threshold
You can set, change and delete the threshold
in the MMI.
... Select: !CAR ! function button > Car systems
contro l button > Dri ver ass ist > Speed warn­
ing .
You can set any threshold between 20 mph
(30 km/h) and 150 mph (240 km/h) . Sett ings
can each be adjusted in increments of 5 mph
(10 km/h).

84 On the road
Cruise control
Switching on
The cruise control system makes it possible to
drive at a constant speed starting at 20 mph
(30 km/h).
0
f
®t
0
Fig. 83 Control lever w it h set butt on
Fig . 84 D is pl ay: Selected speed
"' Pull the lever to position (D c::> fig. 83 to
switch the system on.
"' Drive at the speed you wish to set.
"'Press button@to set that speed .
I :i:. ... a,
The stored speed and the ind icator light
[ij;W~1~ (US models) / 0 (Canadian models) ap ­
pear in the instrument cluster display
c:;, fig. 84 . The display may vary, depending on
the type of display in your vehicle . The indic a­
tor light . in the instrument cluster also illu­
minates.
The speed is kept constant
via an engine out­
put adjustment or active brake intervention .
8_ WARNING
-Always pay attention to traffic even when
the cruise control is switched on . You are
always responsible for your speed and
the distance between your vehicle and
other vehicles. -
For safety reasons, the cruise contro l
should not be used in the city, in stop­
and-go traffic, on twisting roads and
when road conditions are poor (such as ice, fog, gravel, heavy rain and hydro­
plan ing) - risk of accident.
- Turn off the cruise control temporarily when enter ing turn lanes, highway exit
lanes or in construction zones .
- Please note that inadvertently "resting" your foot on the accelerator pedal causes
the cruise control not to brake. This is
because the cruise control is overridden
by the drive r's acceleration.
- If a brake system malfunction such as
overheating occurs when the cruise con­
trol system is switched on, the braking
function in the system may be switched
off . The other cruise control functions re­
main active as long as the indicator light
m:lmi (US models)/ . (Canadian mod­
els) is on.
(D Tips
The brake lights illuminate as soon as th e
brakes decelerate automatically.
Changing speed
"' Press lever in the 0 or O direction
c::>page 84, fig. 83 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 press ing 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 acceler­
ator pedal.
If, however, you exceed your saved speed by
6 mph (10 km/h) for longer than 5 minutes,
the cruise control will turn off temporari ly.
The green symbol in the display
c> page 84, .,..