2010 AUDI S8 sensor

Instruments and warning /indicator lights
A light sensor in the instrument cluster controls the illumination for
t he inst rume nt cl uster, the center console and the displays. In a
br ight env ironment , using the buttons to change the brightne ss has
no effect .
[I) Tips
The illumination for the inst rument cluster lights up whenever you
switch on th e ignition with the
vehicl e headlights off . As the daylight
fades, the instrument cluster illumination likewise dims automati ­
cally and w ill go out completely when the outside light is very low .
Th is fea ture is meant to remind you to sw it ch on the he adlights when
outs ide lig ht condi tions become poor .•
Warning/indicator lights
Overview
The warning/indicator lights indicate different functions
or a possible malfunction .
iNiii i·i i· i hii
F ig . 7 Instr um ent clust er with warn in g/ indicato r lig hts
Your vehicle is equipped w ith several impo rtant warning and ind i­
ca tor lights to he lp you moni to r the continued re liable operat ion of
your vehicle =>& .
0
Electronic power control
Generator => page 16
=>page 16
Electronic Stabilization Program (ESP) ~ page 16

Instruments and warning /indicator lights
(I] Tip s
Many fun ct ions a re mon itored by the Auto-Check system=> page 26.
Malf unctions or faults will be identified either with a red symbol
(pr iority
1-Dange r!) or with a ye llow symbo l (prio rity 2 -Warn ing). •
Electronic power control C
This warning/indicator light monitors the electronic
power control.
The warn ing/indicator light (Electro nic Power Control) illumi-
nates when you turn on the ignition as a function check .
(I] Tips
If this warning/indicator light illuminates while you are driving, then
there is a malfunct io n in the engine electron ics . Have the ma lfunct io n
corrected as soon as possib le by your authori zed Audi dealer or qual­
ified repair fac ility. •
Generator 0
This warning/indicator light detects a malfunction in the
generator or in the vehicle's electrical system.
T he O warning/ind icator light illum inates when you sw itch on the
ignition and must go out after the engine has started .
If the O warning/indicator light illum ina tes while you are d riving,
you should contact your authorized Audi dea ler. Since the veh icle
bat tery is d ischarging, you shou ld switch off any unnecessary elec ­
trical consumers (for example, the air conditioner) .
0 Note
If the _f_ warn ing/ indicator light (malfunction in the eng ine cooling
system) in the instrument cluster sho uld ill uminate =>
page 29, stop the vehicle and turn off the engine
. The water pump is not working -
t his ca n cause e ngine damage. •
Electronic stabilization program (ESP) ,
This warning/indicator light monitors the electronic
stabilization program .
The war ning/ indicator lig ht has t he fo llow ing funct ions:
• It blinks while you are driving when the ESP is working .
• It illumina tes when yo u sw itch on the ignition for approximate ly 2
seconds as a funct ion check.
• It ill uminates when the re is a malfunct ion in the ESP. T he
message
ESP fault! See owner's manual a lso appears in the instru­
ment cl uste r display and a w arning tone sounds.
• It illuminates continuously when the ESP is sw itched off.
• It illum inates if the re is a malfu nction in the ABS, s ince the ESP is
part of the ABS system .
If the battery terminals were disconnected and re- connec ted, the
vehicle was jump started or the battery is very weak, the ESP sensor
system goes thro ugh a learning process for the firs t few yards . The
warning/indicator light illuminates. The warn ing/indicator light goes
out as soon as t he learning process is comp lete.
If the ESP warning/i ndicator lig ht ill uminates and stays on afte r you
have started the engine, t his may mean that the control system has
temporar ily switched off the ESP . If this is case , you ca n react ivate
the ESP by turning the ignition off and then on aga in. The
w ar ning/ind ica tor ligh t shou ld go ou t to show t hat the system is fully
functional again .
For more in formation about the ESP =>
page 252. •

Driver information displ ay
Yellow symbols
A yellow symbol means WARNING.
Fig . 18 Display: low
f ue l level warn ing
(priority 2)
Yellow symbols ind icate a prior ity 2 malfunction -Warning!
When a yellow warning symbo l appears,
one warning tone sounds. A
dr iver message appears as well to explain the ma lfunction in more
detail. The driver warning goes out after about 5 seconds, but it can
be brought up again at any time by pressing the
I CHECK] button .
Check the displayed function as soon as possible.
If more than one
priority 2 malfunction is detected, all symbols will appear one after
the other for about 2 seconds .
Yellow symbols mean:
Worn brake pads
=> page 32
Electromechanical => page 125
parking brake
Check engine oil level
=> page 33
=> page 293
Engine oil sensor malfunction => page 33
-
Low fuel level =>page33
Windshield washer fluid =>page33
level low ~
Bat tery voltage =>page34
-
II Battery in remote control key =>page40
Convenience key * =>page 122
Key not in veh icle
USA models: => page24
Defective brake light
Can ad a mod els : =>page24
Defect ive brake light
Defective light bulb
=>page24
E ng ine speed limitat ion* => page33
-
IIAdaptive Light* defective =>page34
Dynamic headlight range => page 34
contro l defective
Defective light-/rain sensor
=> page34
Tire pressure monitoring sys-=>page328
tern *
Loss of air p ressure
-Tire pressure monitoring sys-=> page331
tern*
11System not available •
Worn brake pads •
Brake pa ds!

If the warning light illum inates, immediately contact your authorized
Audi dea ler or qu alified wor kshop to h ave all b rake pads insp ecte d.
On USA mode ls the warn ing light comes on together w it h the
warning light
BRAKE . Both sets of brake pads on an axle must a lways
be rep laced at the same time.
& WARNING
Driving w ith bad brakes can cause a collision and serious personal
injury .
• If the w arning light
ii and the warning light BRAKE1> with the
me ssage Brake pads! com es on in the in strument clu ster di splay,
immediately contact your author ized Aud i dealer or qualified
workshop t o have all brake pads che cked or replaced if
necessary. •
Checking the engine oil level ~
.... ,. Pleas e check oil level
W hen the symbol i lluminates, check the engine oi l level as soon as
poss ible=>
page 293. Add oil if necessary=> page 294. •
Engine oil sensor defective
~ Oil level ! sensor d efective
If the symbo l illuminates, contact your authorized Audi dealer and
have t he o il senso r in spec ted . U ntil yo u have this do ne, check the oil
level each time you refue l just to be on the safe side=>
page 293. •
ll BRAKE: USA mode ls on ly
Controls and equip ­
ment Safety first
Driver information display
A
pp lies to vehi cles : w ith engine s peed lim it a tion
Engine speed limitation
!.-• Engine speed maximum XXXX RPM
The symbol illuminates whe n there is an engine co ntrol malfunc ­
tion. The in dicator light in the instrument cluste r a lso i lluminates .
T he engi ne speed is limited to the speed d isp layed in the driver infor­
mation system . Keep in mind that t he engine speed will not exceed
t he va lue disp layed in the d rive r in format ion sys tem, for example
when downshifting .
P lease go to an a uthor ized A udi deale r o r ot her qualifie d wo rk shop to
have the malfunction repa ired .•
Fuel supply too low w
A Please refuel
When the symbol illuminates, th is means there are about 2.4 ga llons
(9 litres) of fuel left in the fuel tank . Time to refuel.=>
page 284.
If
the symbol lig hts up, even when there is ample fue l in the tank, and
t he text
Tank sy stem m alfunction! Contact workshop appears in t he
display, there is a fa ult in the system. Con tact a qual ified workshop to
h ave the fault re ctified. •
Windshield washer fluid level too low ;>
Please top up washer fluid
If the symbo l illuminates, add windshield washe r fluid to the washer
system and a lso to the headlig ht washe r system =>
page 305. •
Vehicle care Technical data

Driver information display
Battery voltage
1 ~
If the battery's state of charge is not in the optimal range, the <--..J
symbol is shown in the display and the dr iver message Low battery
charge: battery will be charged whil e dri ving
appears.
While this driver notification is displayed, you have to be prepared for limited starting capability .
Driver message appears and goes out again
If this driver message appears after the ignition is turned o n or wh ile
dr iving and it goes o ut aga in afte r a while , the ba ttery has been
adeq uate ly recharged .
Driver message appears and does not go out again
If this dr iver notification appears after the ignition is turned o n or
w hile driving and does no t go ou t agai n, the battery 's s ta te o f ch arge
is no t in the opt imal range . S tarting capabili ty is restr icted . Have t he
bat tery checked at a dealersh ip as soon as possib le .•
A ppli es to ve hicles : wit h Conve nie n ce k ey
Key not in vehicle
Key not in vehicle
Th is message appears together w it h the -. symbo l whe n the remote
cont rol key is remov ed from the v ehicl e wh ile the engine is runni ng.
Th is is to remind yo u that you should not cont inue you r trip without
your key.
If the remo te control key is no longer in the vehicle, you wi ll not be
able to start the engine again a fter yo u have swi tched off the igni tion .
In addit ion to t his, you will no t be a ble to lock the vehicle from the
outs ide .•
A pplie s to vehicles : with Adaptive Light
Adaptive Light defective •
.. c Adaptive light defective
When th is symbol .., illuminates, it means that Adaptive Light is
defective . Go to an authorized dealersh ip to have the head lights or
the contro l unit for the Adaptive Light repa ired .•
Headlight range control defective '">
T<. Headlight range control defective !
If the symbo l ill uminates, the dynamic head light range contro l is no
longer wo rking prope rly. Have t he sys tem check ed and repaired at
your Audi dealer. •
Defective light/rain sensor ...>
.... Automatic headlights/automatic wipers defective
If the symb ol ill umina te s, the lig ht/r ain sensor has failed. F or sa fety
reasons the low beams are t urned on permane ntly w ith the sw itch in
AUTO . Howeve r, you ca n con tinue to turn the lig hts o n and off using
the light sw itch. If the ra in se nsor fa ils , the functions of the wind ­
shield wiper leve r will still wor k. Contact your aut horized Audi dea ler
as soon as possible to have the prob lem cor rected .•

Opening and closing
The rear lid can be locked or unlocked either by using the remote
con trol
or by turning the key inside the dr ive r's door loc k. Unl ocking
the vehicle w ith the remote control will only
unlock the rear lid, to
open it, the lid handle needs to be pressed.
Lock ing the vehicle
You c an lock t he veh icle from o uts ide eithe r by using the remote
control
or by turning t he key inside the drivers's door lock . When you
lock the vehicle :
• All doors and the rear lid are locked.
• All turn signa l lights will flash once when the car is locked .
• The anti-theft alarm system is activated . The horn of the anti­
t heft ala rm system w ill sound and the a nti -t heft alarm system readi­
ness lig ht, located in the upper part of the dr iver's door panel, w ill
start to blink.
• The veh icle inter ior lights turn off.
Unlocking and locking the vehicle using the
Convenience key*
Th e Convenience key * feature is a keyless system wh ich all ows yo u to
unlock the vehicle via sensors in the door handle. Loc king is likewise
keyless using a lock b utton. Each door is equipped w it h a sensor and
lock button.
Power side door closer*
The ve hicle is equipped with a power side door closer. When closing a
door, yo u simp ly need to gen tly push on the door. The door wi ll the n
automatically close by itself~
page 45.
Automatic locking
The automat ic lock ing feature locks all the vehicle doors and the rear
lid when you d rive faste r than 9 mph (15 km/h). This fun ction can be
turned on and off in the MMI
Central locking Menu~ page 44.
Yo u can unlock the vehicle from the ins ide by :
• removing the key from the ignit ion sw itch (the ve hicle w ill au to­
matically un lock itself) or •
pressi ng the unloc k part of the power lock sw itch @or
pulling t he door handle (once to open the door).
& WARNING
• When you lock your vehicle from outside, nobody -especially
children -should remain inside the vehicle . Remember, when you
lo ck the vehicle from the out side the windows cannot be opened
from the inside .
• When you leave the vehicle, always remove the ignition key
and tak e it with you. This will prevent passenge rs (children, for
example) from accidentally being locked in the vehicle should
they accidentally pre ss the power lo cking switch in the doors .
• Do not leave children ins ide the vehicle unsupervised . In an
emergency it would be impossible to open the doors from the
out side without the key .
[ i ] Tips
• In the event of a crash w it h ai rbag deployme nt all locked doo rs
w ill be automat ically u nlocked to give access to the vehicle occupants
from the outside.
• If the powe r lock ing system s hou ld malfunction, you ca n lock each
door indiv idually using the ve hicl e key ~
page 46.
• If the power locking system should fail, yo u can still open the fuel
t ank flap in an emergen cy ~
page 287 .
• You are well advised not to keep valuables ins ide an unattended
veh icle, v is ib le or no t. Even a prope rly loc ked vehi cle c anno t provide
the security of a safe .•

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