AUDI S8 2010 Repair Manual

& WARNING (continued)
• Never leave children or persons requiring assistance alone in
the vehicle, especially when they could access the vehicle keys.
Unsupervised use of the keys can result in the engine being started
or use of vehicle systems such as the power windows, etc. which
could result in serious injury. The doors could be locked with the
remote key, delaying help in an emergency.
• The power sunroof will continue to operate until the ignition
key has been removed and one of the front doors has been
opened. a
Emergency closing by hand
The sunroof can be closed by hand in case of a power
failure.
Con tro ls a nd e quip ­
m en t
Fig. 46 Section from
headliner: Where to
place the screwdriver
Vehicle OP-eration
Removing the cover
Opening and closing
Fig. 47 Section from
headliner: Crank for
emergency operation
- Insert the flat side of the screwdriver (found in the vehicle
tool kit) at the rear edge of the lens as indicated by the
-arrows- ::::> fig. 46.
- Carefully pry the clear lens cover open and remove it.
Retrieving the crank for emergency closing
-Use the ignition key or a screwdriver to carefully pry the
cover off the left end of the instrument panel
=> page 342, fig. 276. The crank is stored next to the fuse
carrier.
Closing the roof
- Push the crank ©::::> fig. 47 into the hex socket@ until
you can feel the crank engage. Start turning, maintaining
a steady pressure on the crank to keep it from slipping off.
- After you have closed the sunroof, remove the crank and
replace the dome light lens.
[ i] Tips
If you are unable to close the roof manually, contact the nearest
authorized Audi dealer for assistance. •
Vehicle care Do-it-yourselt service iTechnical data

Clear vision
Clear vision
Lights
Switching the headlights on and off ·"ti-·
In the "AUTO" position, a light sensor automatically
switches the head- and taillights on and off in response to light condi tions.
Fig . 48 In st rum ent
p ane l: light switch
Switching on automatic headlight control
- Tur n the lig ht sw itch to AUTO => fig. 48 .
Switching on the side marker Lights
-Turn the lig ht sw itch to ;oo~.
Switching on the headlights and high beam
- Tur n th e lig ht sw itch to fD.
- Push th e high beam leve r forward towards the instrument
panel =>
page 64.
Switching off the Lights
- Tur n the lig ht sw itch to 0.
The headligh ts only work when the ignition is switched on. Whi le
starting the engine or when switc hing off the ignition, the headlights
w ill go off and o nly the s ide mar ker lights will be on.
After start ing the eng ine, the xenon headlights are automatically
ad jus ted to the load an d ang le of the vehicle (for examp le, during
acceleration, braking). T his prevents oncom ing traff ic from experi­
encing unnecessary head ligh t glare from your xe non headlights .
If the system is not operat ing properly, a warning symbol in the Auto­
Check Control is displayed~
page 34.
With the side marker lights o r headligh ts swi tche d on, the symbol
next to the light switch i llum inates
oooc .
Daytime running lights
• USA model s: The daytime running lights will come on automati­
cally when the ign it ion is turned on and the light switch ~ fig . 48 is
in the
O position or the AUTO pos ition (only in daylight conditions).
T he
Daytime running lights f u nction can be turned on and off in the
M MI menu
Exterior lighting~ page 61 ~ /.1.
• Canada model s: The day time ru nning l igh ts wi ll come o n auto­
matically when the ignit ion is turned on and the light switch~ fig. 48
is in the
O position or the AUTO position (on ly in dayligh t conditions)
~ & -
Automatic headlight control
In the switch pos ition AUTO t h e automat ic headlight cont ro l is
tu rn ed on. The low beams are tu rned o n automa tically th rough a light
sensor as soon as ambient bright ness (e .g . when driving into a
tunnel) falls be low a val ue preset at the factory . When ambient
brigh tness increases again, the low beams are t urned off again auto­
matically ~
/.1.
In the AUTO pos ition t he low beams a re switched off automa tically
w hen the ign it ion is turned off. If the h igh beams were sw itched on,
th ey will come on again the nex t time the au tom atic headlight .,,_.

control is activated. The high beam function must first be sw itched on
in the MMI
~ page 61.
Light Sensor Malfunction
In the event of a light sensor malfunct ion, the driver is notified in the
instrument cluster display:
~- Automatic headlights/automatic wipers defective
For safety reasons the low beams are turned on permanently with the
switch in
AUTO. However, you can continue to turn the lights on and
off using the light switch. Have the light sensor checked as soon as
possible at a dealership.
& WARNING
• Never use daytime running lights to see where you are going.
They are not bright enough and will not let you see far enough
ahead for safety, especially at dusk or when it is dark . Always
switch on the low beams at dusk
or when it is dark.
• Automatic headlights are only intended to assist the driver .
They do not relieve the driver of h is responsibility to check the
headlights and to turn them on manually according to the current
light and visibility conditions. For example, fog and rain cannot be
detected by the light sensors. So always switch on the headlights
under the se weather conditions and when driving in the dark
io.
• Crashes can happen when you cannot see the road ahead and
when you cannot be seen by other motorists.
- Always turn on the headlights so that you can see ahead and
so that others can see your car from the back.
[I) Tips
• With the switch in AUTO front fog lights and rear fog l ights cannot
be turned on in addition.
Controls and equip ­
ment Safety first
Clear vision
•
If you remove the ignition from the ign ition lock wh ile the head­
ligh ts are still on, a buzzer will sound as long as the driver's door is
open to remind you to turn off the lights.
• Always observe the specific local regulations for you r area as to
when to use your lights .•
Adjusting exterior Lighting
The functions are set in the MMI.
-Select: Function button [CAR]> Systems > Exterior
lighting.
Coming home
The Com ing home function ensures that after turning off the igni­
tion and opening the driver's door
the vehicle periphery is illum i­
nated in the dark . In addition, the front fog lights, the tail lights and
the license plate light are turned on . On-time can be set for a per iod
from O (off) to 60 seconds .
Leaving home
The Leaving home functions ensures that when unlocking the vehicle
periphery is illuminated in the dark. In addi tion, the front fog lights,
the tail lights and the license plate light are turned on. This function
can be turned on and off.
High beam
With the switch in the AUTO position, the high beams can be t urned
on o nly if the function is turned
on .
Daytime running lights
USA models: The daytime runn ing lights can be turned on or off using
this function.
Canada models: The function cannot be turned off. It is act ivated
automatically each time the ignition is t urned on. This men u item is
shown "g reyed out". •
Vehicle care Technical data

Clear vision Front fog Lights
}O
Fi g. 49 Ins trume nt
p an el: li gh t s witch
Switching on the front fog lights }D
- Do not turn the light switch ·'t/.· => fig. 49 toward the fog
light sym bol
- Turn the light switch to
;oo~ or to ~D .
- Pull the light switch to the first stop (D.
When the fron t fog lights are on, the symbo l }0 next to the ligh t
switch will i llum inate.
(I} Tips
With the sw itch in AUTO front fog lights and rear fog lights cannot be
turned on in addition. •
Rear fog Lights 0$
Fig. SO Ins tru men t
p an el: l ight sw itc h
- Do not turn th e ligh t switch ·'t/. · => fig. 50 t owar d th e fog
ligh t sym bo l
- Turn th e light switch to
~oo~ or t o ~D.
Pull the light switch to the second stop @.
When the rear fog lights are on, both the }D and symbols next to
t he light sw itch will il luminate.
0 Note
T he rear fog lights can distract drivers be hind yo u, so, they shou ld be
turned on
only in condit ions of very poor visib ility . A lways observe
loca l reg ulations w hen usin g the rear fog lights.
(I) Tips
With the sw itch in AUTO front fog lights and rear fog lights cannot be
tu rned on in addition.•

Appli es to veh icles: w ith Adap tive Ligh t
Adaptive Light
When making a turn or driving around tight corners, the
relevant area of the rood is better illuminated .
Adaptive Light (making turns)
Fig. 51 Ada ptive Li ght
when turnin g and
dr iv ing th roug h cu rv es
An additional bulb in the headlight prov ides a corner ing light @ in
addition to the low beam ©~ fig. 51. Adapt ive Light is switched on
and off automatically depending on dr iv ing cond itions.
When you activate the turn signal lever, the Adaptive Light for the
same s ide is sw itched on. Please note that the t urn signal lever must
engage.
Adaptive Light is not switched on if you on ly move the turn signal
lever to the point of resistance to s ignal a lane change~
page 64,
"Turn signal ¢i c:> and high beam ~o lever".
When d riving arou nd bends, Adaptive Light is con tro lled according to
steering wheel angle.
• It is switched on in tight corners.
• It is not switched on in long, open bends .
Adaptive Light (in curves )
When driving through curves, the low beams © are automatica lly
cont rolled depending on driving speed and the steer ing w heel angle.
Con tro ls a nd e quip ­
m en t Vehicle
OP-eration
Clear vision
The two main beams p ivot at d ifferent angles so that there is no unil­
l u mi nated area in front of the vehicle .
[ i ] Tips
• T he system works up to a speed of abo ut 4 3 mph (70 km/h). If the
speed is higher, it is not activated .
• Adaptive Light ( in curves) func tions at a speed of abo ut 6 mph
(10 km/h) and is deactivated at speeds below abo ut 4 mph
(6 km/h). •
Emergency flasher ~
The emergency flasher makes other motorists aware that
you or your vehicle ore in on emergency situation.
7A I
Fi g. 52 Cen ter
c on sol e: e mergen cy
f la sh er swit ch
-Press the switch ~~ fig. 52 to turn the emergency
flashers on or off.
When the emergency flasher is on, all four turn signals blink at the
same time. The t urn signal indicator ligh ts
¢i Q in the instr ument
cluster, as well as the light in the emergency flas her switch ~ blink
likewise .
Th e eme rgency flashers wi ll turn on automat ically if yo u are in a n
acc ident where the airbag has deployed.
Vehicle care Do-it-yourselt service iTechnical data

Clear vision
(I) Tips
You should t urn on the emergency flashe rs when:
• you are the last vehicle standing in a traffic jam so that any other
vehicles coming can see you, or when
• your vehicle has broken down or yo u are in an emergency situa­
tion, or when
• your vehicle is being towed by a tow truck or if you are towing
another vehicle behind you. •
Turn signal ¢¢ and high beam ~D Lever
The lever on the left side of the steering column is used to
operate the turn signals and the high beam as well as the
headlight flasher.
F ig. 53 Turn s ig nal
a n d hig h beam le ve r
The turn signa l and high beam lever has the following fu nc­
tions:
Turn signals ¢¢
-Lift the lever up all the way~ fig. 53 © to use the right
turn signals, or push the lever down all the way
0 to use
the left turn signals.
Auto -blink
- Move the lever (up or down) just to the point o f resistance
to use the turn signa ls for as long as you need them, for
example wh en changi ng lanes.
- Move the lever (up or down) just to the point of resistance
and then release it right away to make the turn signals
blink
three times . You can use this feature for example
when changing lanes on highways.
High beam [D
- Push t he lever forward ® to switch on the high beam .
- Pull the lever back towards you to switch off the high
beam .
Headlight flasher [D
Pull the lever toward the steeri ng w heel © to use t he
headlight flasher.
Not es on these feature s
• The turn signals only work with the ignition turned on. T he indi ­
cator lights ¢ or¢ in the inst rument cluster~
page 14 also blink .
• After you have t urned a co rner, the tu rn s ignal switc hes off auto ­
matically.
• T he
high beam works only when the headligh ts ar e o n. Th e indi­
cator light [D in the instrument cluster illuminates when the high
beams are on .
• The
headlight flasher works only as long as you hold the lever -
even if there are no lights turned on. The indi cato r light aD in the
instrument cluster illuminates when you use the headlight flasher.
• With the swi tc h in the
AUTO posi tion, the high beams can o nly be
turned on if the funct ion is switched on in MMI
~ page 61. ..,_

0 Note
Do not use the high beam or headlight flasher if you know that these
could blind oncoming traffic. •
Interior lights
Front interior Lights
The interior lights include reading lights for both the
driver and the front passenger.
11111111
I
\ 10
1
111111111
0
Con trol s and equ ip­
m ent
111 i -~ -
--
•l l i'1~
rol ,
l I
111111111
i8 M
-w
"' a,
' '
111111111
0 Fig. 54 Rooflining:
Front interior lights
Fig. 55 Rooflining:
Front reading lights:
Vehicle OP-eration
Clear vision
Interior lights
- Press the@) button to turn off the interior lights
~ fig. 54. If you press the button a second time, the inte­
rior lights in the rear are also turned off.
- Press the
(ID button to turn on the door contact circuit.
Press the button a second time to turn on the door contact
circuit for the rear doors .
- Press the
(I) button to turn on the interior lights. If you
press the button a second time, the interior lights in the
rear are also turned on .
Reading lights '-<~
-Press the switch to turn the right or left reading light on
or off ~ fig. 55.
With the door contact circuit, (ID the interior lights turn on as soon as
you unlock the vehicle or open the doors. The in terior lights are also
turned on when the ignition key is removed. The light goes out about
2 minutes after the doors are closed . When the vehicle is locked or
when the ignition is turned on, the interior lights are turned off .
When a door is open, the interior lights are turned off after about 10
minutes to preven t draining the battery.
[ i] Tips
The interior lights can be dimmed by holding the(!) swit ch pressed
down. If the interior lights in the rear were turned on by pressing the
switch twice, the rear interior lights are also dimmed .•
Vehicle care Do-it-yourselt service iTechnical data

Clear vision Rear Interior Lights
The rear interior lights also contain reading lights for
rear-seat passengers .
Fig. 56 Roo flin ing :
Rear in te rior lig hts
'
Fig . 57 Roo flining :
Re ar read ing lights
Interior lights
- Press the@ button to turn o ff the inte rior lights
=> fig . 56.
- Press the
(ID button to turn on the door contact circuit.
- Press the
CT) button to turn on the inter ior lights .
Reading lights ~
- Press one of t he switches to turn the right or left reading
light on or off=> fig. 57.
With the door contact circuit, [])the inter ior lights tu rn on as soon as
you un lock t he veh icle or open the doors . The interior lights a re also
t u rned on when the ignition key is removed . The light goes out about
2 minutes after the doors are closed. When the vehicle is locked or
when the ig nition is turned on, the inter io r li ghts are turned off.
When a door is open, the interior lights are turned off after about
10
m inu tes to p revent dra ining the battery.
(I) Tips
• By pressing the safety switch ®~ page 53, fig. 41, the func tion
of some switches in the rear can be turned off.
If the ._J symbol in the
safety swi tch i llum inates, the window regula tors in the rea r doors,
the sw itches fo r the interior lights and the sw itch for the electr ic s un
shade* are inoperative .
• The inter ior lights can be dimmed by holding the [)switch pressed
down .•

Applies to vehicles: with background lighting
Background lighting
Four different lighting profiles for the interior lighting
con be selected and dimme d through the
MMI.
111111111
0
{m\ \1-=---.=J
~ "'"""
~o
Fig. 58 MMI di splay:
B ac kg round lighting
Fig . 59 Roo f mod ule
c ut out: Ligh t prof ile
s wit ch
-Press the Systems control but ton in the car menu .
- Selec t
Background lighting .
-Select a lighti ng profile => fig . 58 or select Off to deact i-
vate the lighting profile.
- Press the co ntrol knob to activate the des ired lig hting
profile.
Con tro ls a nd e quip ­
m en t Vehicle
OP-eration
Clear vision
- Rotate the control knob clockwise to increas e the bright ­
ness, and
- Rotate the control knob
counterclockwise to reduce the
brigh tness.
Whe n the vehicle is unlocked, the sta ndard lighting turns on a uto­
matically and dims after approx. 2 minutes, and when the ignition is
turned on i t sw itches off immediate ly.
A background lighting prof ile can be switched on manually us ing the
ligh t profile switch => fig. 59. This w ill turn off a utomat ica lly aft er 30
m inutes when the ig nitio n is off . To reactivate, press the lighting
profile sw itch .
L ighting profi les that were selected while driving rema in act ive
dur ing the course of travel.
The following lighting profil es can be adjusted and
dimmed in the MMI:
Lighting profile Highway City Cockpit Rear
Drive r's side footwell X
Passenger's side foot-X X well
Rear footwell
X X
Front door trim panel X X X
Rear door trim panel X X X X
F ront int erior lighting X X
Rear interior light ing X X
II) Tips
Lighting profiles are stored on the remote control key being used .•
Vehicle care Do-it-yourselt service iTechnical data

Clear vision
Vision
Sun visors
i?l N
J,
\,:...L--------~:-J.1~
Aw""; ;glY
-·-... --
-----..... =- 0- ~-::· -·---... ------_____ .__ 1 ...
------·­___ ., .. _ ~---
~
\;.J.----~---4.:'Ji
-· .. --·-- ·"
___ '"'_ ... __
........ -~ .. ----...
___ .,.. ___ _ ..., __ ., .. ___ ......
Fig. 60 Sun visor
Fig. 61 Sun visor with
two-part vanity mirror
The sun visors for the driver and passenger can be released from their
brackets and turned toward the doors~ fig . 60
(D . They can also be
moved back and forth lengthwise in this position .
The mirror light switches on when the cover over the vanity mirror@
opens.
There is a shade between the driver's and passenger's sun visors that
can be used to cover the gap above the rearview mirror .
Two-part vanity mirror*
When you slide the cover@~ fig. 61 upward, there is a mirror with
high magnification . When you slide the cover@ downward, there is
a mirror with normal magnification. The mirror light also switches on
when the covers slide up or down .•
Applies to veh icles: wit h su n sh ade
Sun Shade
The rear window is equipped with a sun shade.
w ~
-
Fig. 62 Cockpit:
Switch for sun shade
Fig. 63 Rear roof·
lining Switch for sun
shade
The sunshade can be operated with the switch~ in the
driver's area and in the rear.