AUDI S8 2009 Workshop Manual

Battery operation in the master key is monitored by a check light .
The check light flashes when one of the buttons on the master key
is pressed . If the check light does not flash, the battery is dead and
has to be replaced .
In addition, when the battery is dead the symbol appears in the
instrument cluster display as well as the message :
Please ch ange key battery
We recommend having the battery changed by an Audi Dealer .•
Electronic immobilizer
T he immob ili z er helps to prevent unauthorized use of
y o ur vehicle.
A computer chip inside your key automatically deactivates the e lec­
tr onic im mob ilizer when you insert the key in the ign iti on lock, or on
vehic les with Convenience key*, when the key is inside the vehicle .
When you remove the key from the ignition lock, or on vehicles with
Convenience key, when you remove the key from the vehicle, the
e lectronic immobilizer is automatica lly activated once again.
If an unauthor ized key was used,
SAFE is disp layed continuously in
the odometer disp lay field.
& WARNING
Always take the key w ith you when you leave the vehicle. The key
c an disarm the electronic engine immob ilizer and permit an unau ­
thori zed person to start the engine and enable oper atio n of the
vehicle sy stem s such a s power window or power sunroof leading
to s eriou s personal injury .
[ i ] Tip s
• Your engine can on ly be started using the factory-equipped key.
Controls and equip ­
ment
Opening and clo sing
• You may not be ab le to start your vehic le if an ignition key of a
different ve hicle make is a lso l oca ted on your set of keys .
• F or Dec laration of Comp liance to United States FCC and Industry
Canada regulations =>
page 385 . •
Power locking system
General description
T he power locking system locks or unlocks all doors and
the rear lid simultaneousl y.
The power loc kin g system in your veh ic le incorporates the following
functions:
• Central locking function
• Selective unlock feature=>
page 52
• Remo te contro l fea ture => page 48
• Convenience key*=> page 58
• Ant i-theft a larm system => page 60
All the doors and the rear lid are locked by the central locking
system when you lock the v ehicle. You can set whether general ly
only the driver's door or all doors and the rear lid should be
unlocked when you open t he vehic le in the MM I menu
Central
loc king
to suit your individua l desires=> page 52.
Unlocking the vehicle
You can un lock the vehic le from outside either by using the remote
co ntrol
or by tur ning the key i nside the driver's door lock. When you
unlo ck your vehic le:
• The anti -theft ala rm system is deactivated briefly .
• The vehicle interior lights i lluminate for approximately 30
sec ond s.
• All turn signal lights wi ll flash twice when the car is unlocked. .,,_
I • •

Openin g a nd clo sin g
• After un locking the vehicle, you have 60 seconds to open a door
or the rear lid. After 60 seconds, the vehicle automatically locks and
the anti-theft a larm system activates again .
The rear lid can be locked or unlocked either by using the remote
control
or by turning the key ins ide the driver's door lock. Unlocking
the vehicle with the remote control will on ly
unlock the rear lid, to
open it, the lid handle needs to be pressed .
Lock ing t he ve hicle
You can lock the vehicle from outside either by using the remote
control
o r by turning the key inside the drivers's door lock . When
you
l o ck the vehic le :
• All doors and the rear lid are locked .
• All turn signal lights will flash once when the car is locked.
• The anti -theft alarm system is activated. The horn of the anti ­
t heft alarm system wi ll sound and the anti-theft alarm system readi ­
ness light, located in the upper part of the driver's door panel, will
start to blink.
• The vehicle interior lights turn off.
Unlo ck ing and lo ckin g th e ve hicle using th e
C onven ien ce key *
The Con ve nie n ce key* feature is a keyless system which al lows you
to unlock the vehicle via sensors in the door handle . Lock ing is like ­
wise
keyless using a lock button. Each door is equipped with a
sensor and lock button.
P ower s ide door clo ser*
The vehicle is equipped with a power side door closer . When closing
a door, you simply need to gently push on the door. The door wil l
then automatically close by itself ~
page 53 .
Autom atic lockin g
The automatic locking feature locks a ll the veh ic le doors and the
rear lid when you drive faster than 9 mph (15 km/h). This function can be turned on and off in the
MMI C
entral lo cking Menu
~ page 52.
You can unlock the vehicle from the inside by:
• removing the key from the ignition switch (the vehicle wi ll auto ­
matically unlock itself) or
• pressing the unlock part of the power lock switch
ffi or
pulling the door handle (once to open the door).
& WARNING
• When you lock your veh icle from o utside, nobod y -espec iall y
c h ildr en -should rem ain in sid e the vehicle . R emember , when you
lo ck the vehicle from the out side the window s ca nnot be opened
from t he in side .
• When you l eav e the vehi cle , al ways remove th e ign ition key and
take it with you . Thi s w ill prevent pa ssenger s (childr en , for
exampl e) from acciden tally being locked in the vehicle should they
a cc ident ally p re ss th e p ower lo cking s witch in the door s.
• Do not lea ve children in side the vehi cle un supe rvis ed. In an
e merg ency i t would be impos sible t o ope n th e door s from the
out side wi thou t the key.
[ i ] T ips
• In the event of a crash with a irbag deployment all locked doors
wi ll be automatically un locked to give access to the vehic le occu ­
pants from the outside .
• If the power locking system should malfunction, you can lock
each door individually using the vehicle key~
page 54.
• If the power locking system should fail, you can still open the
fue l tank flap in an emergency ~
page 307.
• You are well advised not to keep valuables inside an unattended
vehic le, visib le or not. Even a properly locked vehic le cannot provide
the security of a safe .•

Unlocking and locking the vehicle with the remote control
How the remote control works .
Fig . 33 Re mote
co ntr ol: fu nctio n
bu tton s
Whet her o nly the driver's door or the entire vehicle is
unlocked w hen the opening butt on @ is pressed once,
depends on the settings in the MMI
Centr al locking menu
=:> page 52 .
To unlo ck th e ve hicle 0
- Press button @.
- Press button @
two times within two seconds to unlock
all doors and the r ear lid .
To lock th e vehi cle 6
- Press button @ =:> & i n "General description" on
page 49.
- Watch that a ll turn sig nal lights flash once.
To unlo ck r ear lid only
c:s
- Press button @for approximately one second.
Con tro ls and eq uip­
ment
Op ening and clo sing
PANIC Button
- Push the red button @to ac tivate the panic function . The
horn sounds and the turn signals flash.
- P ush the button @again to deact ivate the panic func-
t ion.
On vehicles equ ipped with the Convenience key* features, the
selector lever must be in the P position, otherwise the vehicle will
not lock .
& WARNING
Rea d and foll ow all WARNINGS => & in "Gene ral de scription " on
pag e 49 .
[ i ] Tips
• In order to make sure the locking function is working, you should
always keep your eye on the vehicle to make sure it is proper ly
locked.
• Do not use the remote control if you are inside the car, otherwise
you may unintent iona lly lock the vehicle , and then you would set off
the anti -theft alarm when you try to start the engine or open a door.
In case this happens anyhow, push the un lock button
(i .
• Use the panic function only if you are in an emergency
s ituation .•
Vehicle care I I irechnical data

Opening and closing
Operating locks with the key
To lock and unlock the vehicle from the outside, turn the
key in the lock of the driver's door.
Fig . 34 Key turns for
opening and closing.
The lock cylinder is under the door handle.
To unlock the vehicle
-Insert the key into the lock of the driver's door .
Turn the key
one time to position @to unlock the driver's
door.
- Turn the key
two times to position @=> fig. 34 to unlock
all doors and the rear lid.
To lock the vehicle
Close all windows and doors properly.
- Turn the key in the lock of the driver's door to the lock
position
@ => & in "General description" on page 49.
& WARNING
Read and follow all WARNINGS => & in "General description" on
page 49. •
Settings in MMI
Selective unlock feature -the driver can determine in MM/
which doors are unlocked through the central locking
system.
Fig. 35 MMI display:
Central locking menu
-Press the I CAR I function button.
- Select
Systems in the CAR menu.
- Select
Central locking. The Central locking menu appears
=> fig. 35 .
- Activate the doors
(on) that should be unlocked together
with the driver's side door .
In the Central locking menu you can set which doors you want to
have unlock using the remote control key or the Convenience key*.
For example, if you switch the i tem passenger's door
off, the
passenger's door is no longer included in the central locking
system, and will not be unlocked by pressing the unlock button on
the master key remote control.
There is also a
side selective unlocking option available that can be
set to fit your needs. You can continue to unlock all the doors and
the rear lid as before. Press the opening button on the master key
twice .
Automatic Locking (Auto lock) can also be switched on and off . ...

[ i J Tip s
When locking, all doors and the trunk lid are locked automatical ly. •
App lies to veh icle s: wit h pow er sid e door closer
Doors with power side door closer
The vehicle doors are equipped with a power door closer. When you
want to close an open door, gent ly push on the door. The door w ill
automatically close by itself .
& WARNING
When closing a door, make sure nothing can interfere with the
door . Thi s could caus e serio us per sonal injury .
• You can stop the door from cl osing at any t ime by pulling on the
in side o r out side do or handle .•
Locking and unlocking the vehicle from inside
The vehicle can be locked or unlocke d from the inside
using the p ower locking s witches .
Contro ls and eq uip­
ment
Fi g. 36 Driver's door:
p ow er lo ck ing swi tch
Op ening and clo sing
Fig. 3 7 R ear pow er
l oc king switch
How to lock all doors and the rear lid
simultaneous ly
- Press upper part of t he power locking switch {D => & .
How to unlock all doors and the rear lid
simultan eously
- Press the lower part of t he switch @ .
How to unlo ck each door separately using the
door hand le
- Pull the h andle to o pen t he do or.
You wil l fi nd a power locking switch in each door . You can lock and
u nlo ck
the vehicle using the switches in the driver 's or passenger's
door => fig. 36 . You can only
lo ck the vehicle using the switches in
the rear doors=> fig. 37 . If you lock the vehicle using the
power
lo cking sw itch ,
please note the fo llowing :
• You cannot open the doors or the rear lid from the
outside
(increased security, fo r examp le when you are stopped at a red
light).
• The diodes in the power lock ing switch il luminate when al l the
doors and the rear lid are closed and locked.
• All diodes turn da rk as soon as one of the doors has been
unlocked .
Vehicle care I I irechnical data

Opening and closing
• You can unlock and open the doors from the inside by pulling on
t he door handle.
• If the driver's door is opened (after you have locked the vehicle
from the inside using the power locking switch), the door wi ll
remain un locked to prevent you from locking yourself out of your
vehic le . A fter you c lose the door, you have to l ock the driver's door
again.
• If you have a crash and the ai rbag is activated, the doors aut o­
matically un lock .
& WARNING
• If you use the power locking switch with the door s closed ,
remember that all th e vehi cle doors will lock .
• Locking doors from the inside can help pre vent in advertent
door opening during an accident and can also prevent unwanted
entry from the outside . Lo cked door s can , however , dela y assis­
tance to vehicle occupants and hold up rescue effort s from the
outs ide in an ac cident or other e mergen cy . •
Emergency locking
If the cen tral lock ing sys tem fails (p ower s upply), e ach
door has to be locked separately.
Fi g. 38 Em erg en cy
l oc k loc ati on o n the
fr ont p asse ng er's do or
An eme rgenc y lockin g mecha nism is integra ted in t he edge
of the passe nge r's door and in the rear doo rs (o nly visibl e
when t he door is o pen).
- Open the door .
- Remove the plastic cap using your vehicle key=> fig. 38.
- Position the key at an angle of 90° to the door trim pa nel
and push it in the direction shown by the arrow.
After you close the door, you wil l no lo nger be able to open it from
the outside.
T he door can be opened from the inside by pu lling twice on the door
handle . If the chi ld safe ty lock is engaged in one of the rear doors,
the door has to be opened from the outside after pulling on the handle once from the inside. •
Rear lid/Trunk lid
Opening and closing rear lid
You can open the re ar lid from inside the vehicle usi ng a
s w itch in the driver's door.
,.., ,,, ~
:i,
r---r--::: =========== ::::r---li
Fig. 3 9 Driv er's do or:
r e m ote rea r lid r ele a se ..

Opening the Rear lid/Trunk lid
Fig. 40 Position of lock
and handle in the rear
lid
- Press the center button c::s on the master key or the
release button
C::5 in the driver's door=> page 54, fig. 39.
The rear lid is unlocked and opens.
Closing the Rear lid/Trunk lid
-Pull the rear lid down and allow it to drop gently. The lid
is then closed automatically =>& .
& WARNING
• After closing the rear lid, always pull up on it to make sure that
it is properly closed. Otherwise it could open suddenly when the
vehicle is moving.
• To help prevent poisonous exhaust gas from being drawn into
the vehicle, always keep the rear lid closed while driving. Never
transport objects larger than those which fit completely into the
luggage area, because then the rear lid cannot be fully closed.
• Never leave your vehicle unattended especially with the rear lid
left open. A child could crawl into the car through the luggage
compartment and pull the lid shut, becoming trapped and unable
to get out. To reduce the risk of personal injury, never let children
play in or around your vehicle. Always keep the rear lid as well as
the vehicle doors closed when not in use.
Con tro ls and eq uip­
ment
Opening and closing
[ i ] Tips
• If the rear lid is open or not properly locked when the ignition is
turned on, the door and rear lid warning
~ page 26 appears in the
instrument cluster display.
• The following applies to vehicles equipped with the Convenience
key* feature: if the remote control key is lef t in the luggage compart­
ment, luggage compartment will automatically unlock itself after
you lock the vehicle. This prevents you from unintentionally locking
your key in the luggage compartment. •
Opening and closing rear lid manually
If the central locking system fails (power supply), you can
also open the rear lid using the mechanical key.
© ®
Fig
. 41 Rear lid: lock
positions
As a general rule, the rear lid should only be operated using
the release button in the master key, the release switch in
the driver's door and the handle on the rear lid. Unlocking
the rear lid by inserting and turning the key inside the rear
lid locking cylinder will activate the optical and acoustic
alarm.
~
Vehicle care I I irechnical data

Opening and closing
To unlock the rear lid
- Turn the key to the left to the opening position
©
~ page 55, fig. 41. The rear lid opens.
To lock the rear lid
- Pull the rear lid down and slam it closed gently~,&.
Turning the key counter-clockwise to position @ will release the
rear lid and cause it to rise slightly. In this position the key cannot
be pulled out of the lock cylinder.
Turning the key
clockwise to the horizontal position @ and pulling
it out will cause the
lid to remain locked when the power locking
system is actuated.
In this state the rear lid can only be unlocked with the unlock button
,c:::j on the remote control. On vehicles equipped with the Conve ­
nience key* feature, press the handle on the rear lid to unlock the
luggage compartment =>
page 55, fig. 40.
After you turn the key
counter-clockwise back to the vertical posi­
tion, the rear lid will again respond to the power locking system.
& WARNING
Read and follow all WARNINGS=> & in "Opening and closing rear
lid" on page 54. •
Applies 10 vehic les: w ith automatic rear lid/trun k lid ope rat ion
Automatic rear lid /trunk lid operation
The trunk lid can be opened and closed automatically.
Opening rear lid/trunk lid
Fig. 42 Trun k lid
handle
Fig . 43 Locking switch
in luggage compart­
ment
- Press the handle on the rear lid/trunk lid~ fig. 42, or
- Press the middle button
key, or
- Press the release button
~ page 54, fig. 39.

Closing rear lid/trunk lid
- Press the lock s witch i n the lug gag e com pa rtm ent
~ page 56, fi g. 43 . T he trunk lid m oves to the close d posi­
ti on b y itse lf and soft close loc ks i t auto ma tica lly ~& .
- Closin g is stopped immediately if yo u a gain p ress the
r elea se sw itch
c:::; in the d riv er's d oor, the mi ddle butt on
c:::; in the rem ote co ntr ol m aster ke y, the handl e on the
t r unk lid or th e l oc k s wit ch in th e lu ggage com pa rtmen t.
& WARNING
• After closing the rear lid , always pull up on it to make sure that
it is properly closed. Otherwise it could open suddenly when the
vehicle is moving .
• To help prevent poisonous exhaust gas from being drawn into
the vehicle , always keep the rear lid closed while dr iving . Never
transport objects larger than those which fit completely into the luggage area , because then the rear lid cannot be fully closed .
• Never leave your vehicle unattended especially with the rear lid
left open. A child could crawl into the car through the luggage
compartment and pull the lid shut , becoming trapped and unable
to get out . To reduce the r isk of personal injury , never let ch ildren
play in or around your vehicle. Always keep the rear lid as well as
the vehicle doors closed when not in use.
• Never close the rear lid inattentively or without checking first .
Although the closing force of the rear lid is limited , you can still
seriously injure yourself or others .
• Always ensure that no one is within range of the rear lid when
it is moving , in particular close to the hinges and the upper and
lower edges -fingers or hands can be pinched .
• Never try to interfere with the rear lid or help it when it is being
opened or closed automatically.
Con tro ls and eq uip­
ment
Opening and closing
[ i ] Tips
• I f the re is a mechan ica l pro blem w ith auto mat ic clos in g f or the
rea r lid or there is an obstruction , it opens again immediate ly . Chec k
to se e wh y th e rear lid c ould not b e closed be fore a ttempt ing to
c lose it again .
• The fo llo w in g ap plies to ve hic les equ ip p ed wi th t he Conven ie nce
key * feature : if the remote control key is left in the luggage com part­
m ent. luggage compartme nt w ill auto matically unlock itse lf af te r
you lock the vehicle . This prevents you from un intentiona lly locking
yo ur key in the lugga ge co mpartm ent. •
Child safety lock
Mechanical child safety lock in the rear doors
t
Th e chil d sa fety lock p reve nts the re ar doors f rom be ing
op en ed f ro m the i nsid e.
Fig . 44 Rea r doors :
c hild safety lock
T h e re ar doo rs have a c hild saf ety lock . You can u se any
v ehi cle ke y to engage a nd disen gag e the lock. The child
s afet y lo ck is vi sible o nly wh en the door is op en.
Vehicle care I I irechnical data

Opening and closing
- To swit ch on the child safe ty lock, turn the ignition key in
the direction of the ar row.
- To
switch off the child safety lock, turn the ignition key in
the opposite d irection to the arrow.
The child safety lock prevents the doors from being opened from the
inside when you have smal l children sitting in the rear. •
Applies t o vehicl es : w it h power c hild s afety lock i n the rea r doo rs
Power child safety lock for the rear doors t
The power child safety lo ck prevents the rear doors from
being o pene d from the inside.
Fi g. 45 Section from
dr ive r's do or: con trols
T he rear doors are equippe d with a power child sa fe ty lock .
It is operated w ith the two safety buttons(!) in the driver 's
doo r~ fig. 45 .
Press the left an d/or rig ht safety button to d isable t he
rear powe r window(s) and prevent the respective rear
door from being o pened from the inside . The LED in the
button wil l light up when the child safety lock is turned
on .
- Pr ess the il lumina ted butt on aga in to t urn the child
safety feat ures
off .
When the ch ild safety lock is activated, the interior door opening
lever is inoperative; the door can only be opened from th e outside.
I n addi tion, the wi ndow regu lator for that door is a ls o inoperative
when the child safe ty lock is activated .
I f the ch ild safety lock has been act ivated on both the left
a nd right
side , then the fol lowing features are swi tched off: the buttons for
the interio r lights, the sun b lind * in the rear window and the buttons
f or the power sun blinds* in the s ide windows. In addition to this ,
the rear cl imate control* is set to the PASSIVE mode. T his means
that the cl imate co ntrols in the front adjust the hea ting and ventila­
tion in the rear of the vehicle~
page 125 .
[ i ] Tip s
• In order to activate the child safety lock on the left and the right
side, you have to press the two safety bu ttons in succession.
• Make certain that the indicator light in the corresponding safety
bu tton illuminates when the child safety lock is activated .•
Convenience key
Ap plies t o ve hicles : with C onv eni enc e ke y
Description
Opening your vehicle and starting the engine with the key
still i n yo ur pocket.
The Convenience key features is a keyless system which gives you
the possibility to lock and un lock your veh ic le , as well as to start the
engine without having to use your key.
It does not matter if you have your key in your jacket pocket or in
your briefcase . As soon as you get w ithin a cer tain distance to the ..,_