2008 AUDI S6 check engine light

& WARNING
Your vehicle must not be towed in the event of a malfunction in the electronic steering column lock because it cannot be steered due
to the locked steering . If it is towed with the steering locked, there
is the risk of an accident. •
Ignition lock malfunction ~
A malfunction in the ignition lock must be repaired imme­
diately.
If the .Pe symbol in the display blinks, there is a malfunction
in the electronic ignition lock. An additional driver message
can also be displayed by pressing the [ CHECK] button:
Ignition lock defective. Contact workshop!
-Do not turn the engine off.
- Drive immediately to an authorized Audi dealer to have
the malfunction corrected.
If there is a malfunction in the electronic ignition lock, the ignition
cannot be turned off. Drive immediately to an authorized Audi
dealer to have the cause of the malfunction corrected.
On vehicles wi th Advanced Key *, the engine should not be switched
off using the
I STOP I button because the engine cannot be started
again after the ignition is switched off .•
Controls and equip ­
ment
Driver information display
Yellow symbols
A yellow symbol means WARNING.
Fig. 19 Display: low
fuel level warning
(priority 2)
Yellow symbols indicate a priority 2 malfunction -Warning!
When a yellow warning symbol appears , one warn ing tone sounds.
A driver message appears as well to explain the malfunction in more
detail. The driver warning goes out after about 5 s econds, but it can
be brought up again at any time by pressing the I CHECK I 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 .
Y ellow symbols mean :
Advanced Key* Key not in vehicle
l[usA models:
Defective brake light
Canada models:
Defective brake light
]f Defective light bulb
Light/rain sensor defective
I • •
~ page 128
~ page27
-
~ page27
~ page27
-
~ page36

Driver inf ormati on displ ay
Windshield washer fluid
leve l low
...
Low fue l level
-Battery voltage
Worn brake pads
-
Dynamic headlight range
control defective
Check engine oil level
=> page 301
Engine oil sensor malfunction
-
Adaptive Light* defective
-
Ignition lock malfunction
Windshie ld wiper defective
Tire pressure monitoring sys-
tern Loss of air pressure
Tire pressure monitoring sys -
tern
System not available
Ba ttery in remote control key
Electromechan ical
parking brake
=> page 36
=> page 36
-
=> page 37
=> page 37
-
=> page 37
=> page 37
=> page 37
=> page 37
-
=> page 38
=> page 38
=> page 44
:::::, page 46
=> page 49
:::::, page 131
•
Appl ies to vehic les: with Advanced Key
Key not in vehicle
,:, Key not in vehi cle
T his reminder appears a long with the -symbol if the master key is
removed from the vehic le with the engine running. It is intended to
remind you (e .g. when changing drivers) not to continue the journey
without the master key .
If the master key is no longer in the veh ic le, you cannot switch off
the ignition after stopping the engine and you also cannot start the
engine again. What is more, you cannot lock the vehicle from the
outside. •
Light/rain sensor defective )
c Automatic hea dlight s/aut oma tic w iper s def ective
If the symbo l il luminates, the light sensor has failed. 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 . In the case of a defect in the rain sensor, the
windshield wiper lever functions are still available. Have the
l ight/rain sensor checked as soon as possib le at a dealersh ip .•
Windshield washer fluid level too low
.5 Pl eas e top up w asher fl uid
If the symbol illuminates, add windshield washer fluid to the washer
system and also to the headlight washer system:::::,
page 312. •
Fuel supply too low L)
Please refuel

When this symbol 5' illuminates for the first time, the fuel reserve
in your vehicles is still about 2 Gallons (7 to 9 liters}. Refuel as soon
as possible~
page 292.
If the symbol lights up, even when there is ample fuel in the tank,
and the text
Tank system malfunction! Contact workshop appears
in the display, there is a fault in the system . Contact a qualified work ­
shop to have the fault rectified .•
Battery voltage LJ
If battery power drops below a specified level, idling current
management starts by switching off electrical loads. The driver
message
Power-saving mode activated is shown in the display.
If the battery's state of charge is not in the optimal range, the
U
symbol is shown in the display and the driver message Low battery
charge: battery will be charged while driving
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 on or
while driving and it goes out again after a while, the battery has
been adequately recharged.
Driver message appears and does not go out again
If this driver notification appears after the ignition is turned on or
while driving and does not go out again, the battery's state of
charge is not in the optimal range. Starting capability is restricted.
Have the battery checked by an authorized Audi dealer as soon as
possible. •
Worn brake pads ... 1
C Brake pads!
Controls and equip ­
ment
Driver information display
If the symbol illuminates, contact your authorized Audi dealer to
have the front brake pads inspected (on that occasion have the rear
brakes inspected as well to be safel. •
Headlight range control defective
, Headlight range control defective
If the symbol illuminates, the dynamic headlight range control is no
longer working properly . Have the system checked and repaired at
your Audi dealer. •
Engine oil level r.
' Please check oil level
When the symbol illuminates, check the engine oil level as soon as
possible ~
page 301. Top off the oil at your earliest opportunity
~ page 302. •
Engine oil sensor defective ~1 .•
~ Oil level! sensor defective
If the symbol illuminates, contact your authorized Audi dealer and
have the oil sensor inspected. Until you have this done, check the oil
level each time you refuel just to be on the safe side~
page 301. •
Applies to veh ic les: w ith Adaptiv e Lig ht
Adaptive Light defective 1
' Adaptive Light defective
When this symbol .... illuminates, it means that Adaptive Light is
defective. Go to an authorized dealership to have the headlights or
the control unit for the Adaptive Light repaired.•
I • •

Child safety lock
Power child safety lock for the rear doors t
The power child safety lock prevents the rear doors from
being opened from the inside.
Fi g. 4 2 Sec tio n fro m
dr ive r's door: co ntrols
T he rear doors ar e equip ped with a power child safe ty lock .
It is operated with t he two safety buttons(!) in the driver's
door=} fig. 42 .
- Press the left and/or right safety button to disable t he
rear p ower window(sl and preve nt the respective rear
door from being opened from t he inside. The LED in the
button will light up when the chi ld safety lock is tur ned
on .
- Press the ill umina ted butt on aga in t o turn the child
safety f eatures
off .
When the chi ld safe ty lock is activated, the interior door opening
lever is inoperative; the door can only be opened from the ou tside .
In addi tion, the window regulator for that door is a lso inoperative
when the child safety lock is activated.
Con tro ls and eq uip­
ment
Op ening and clo sing
[ i ] Tip s
• In order to activate the child safety lock on the left and the righ t
side, you have to press the two safety buttons in succession.
• Make certain that the check light comes on in the corresponding
safety switch when the child safety lock is activated. •
Advanced Key
Applies to veh ic les: wit h Ad vanced Key
Description
Access and vehicle operation based on: Master key remains in driver's pocket.
The Advanced Key vehicle authori zation system allows keyless
unlocking, locking and starting of the vehicle . You only have to carry
t he master key on your person .
It makes no difference whether the master key is in your jacket
pocket or in your brief case . As soon as you approach your vehicle ,
the Advanced Key recogni zes the request for access, checks for
authori zation and enab les th e following functions :
• Unlocking the vehicle:::::,
page 60.
• Locking th e vehicle :::::, page 61.
• Switching on ignition and starting the engine by pressing the
I STAR T] button; the master key does not have to be in the igni tion
sw itch:::::,
page 126 .
& WARNING
• Whe n you lock your veh icle from o uts id e, nobod y -espe cia lly
c hildren -sh ould re main in side the vehic le. Reme mber , when you
lock the vehicle fr om the out side th e windo ws cannot be open ed
from the inside. .,,.
Vehicle care
I I Technical data

Opening and closing
H ow is th e a nti-th eft alarm s yste m swi tched off ?
The anti -theft alarm sys tem is switched off only whe n you un lock
your vehicle. If you do not open a door within 60 seconds after you have un locked with the remote control , the vehicle will lock itself
again automatically.
When will the anti -th eft alarm syst em be trigg ered ?
When the vehicle is locked, the alarm system monitors and protects
the following parts of the vehic le:
• engine compartment
• luggage compartment
• doors
• vehicle incline
• ignition
When the system is activated, the alarm will be trigge red if one of
the doors, the engine hood or the rear lid are opened, or if the igni­
t ion is turned on or if the veh icle incline has been changed. The an ti­
theft a larm system will also go off when the battery is disconnected.
You can also trigger the alarm by pressing the PA NIC button on your
remote control. This w ill alert other people in case of emergency.
Press the
PANIC button again to turn off the alarm.
H ow i s th e ant i-th eft al arm swit ch ed off whe n
tr igg ered ?
The alarm system is switched off when you unlock the vehic le or
when the ignition is switched on . T he alarm will a lso switch itself off
when it comes to the end of its cycle .
Emergency flasher and horn
The emergency flasher wi ll blink briefly and the horn sounds when
the doors, engine hood and rear lid are properly closed.
If the emergency flashers do not blink, or the horn does not sound ,
check the doors, engine hood and rear lid to make sure they are
properly c losed . If you close a doo r, the hood or the rear lid w ith the anti
-theft a larm switched on, the emergency flashers will blink and
t he horn will sound only af ter you have closed the door or l id .
Ii ] Tips
Fo r the anti -theft a larm system to function proper ly, make sure a ll
vehic le doors and windows are closed before leaving the vehicle .•
Tilt sensors 1Q
The tilt sensors trigger an alarm if they detect vehi cle
movement.
F ig . 4 5 Driver 's doo r:
tilt sensor swit ch
Sw itch o ff th e til t sensors if you ar e go ing to have your
vehic le transporte d.
Switch off the tilt sensors Press the switch
~ located in the driver's door~ fig. 45.
Lock the ve hicle .
When you turn off the tilt sensors, the diode in the switch~ will illu ­
minate. Also, the indicator light in the door trim will illuminate for
about three seconds. After you lock the vehicle, the indicator light
in the door t rim wil l bl ink quick ly for about three seconds . After that,
the blinking s lows down. .,.

Sliding the roof open all the way
- Turn the rotary switch to position
0-Airflow over the
fully opened sunroof may cause increase d wind noise.
Tilting the roof open - Turn the rotary switch to position @.
- In position @, briefly
press the control to tilt the roof up
completely.
To tilt the roof open to any intermediate position
press
and hold
the switch until the roof reaches the desired
position.
In position ©, the switch jumps back to position G) again as soon
as the switch is released.
When the glass roof opens, the sun visor, which is designed to ward
off strong sunlight, opens along with it. The visor can be closed
manually when the sunroof is closed.
[ i] Tips
• Be aware that the sunroof may actually be open when the sun
visor is closed. Check and make sure that the sunroof is shut when
parking the car or if it suddenly starts raining.
• If the sunroof is not fully closed but you have pressed and held
the switch for the tilt position, the sunroof will not tilt. •
Appl ies to vehicles: with sliding/tilt ing power sunroof
Closing the power sunroof
Sliding the roof shut
- Turn the rotary switch to position
0 => page 66, fig. 49
=>& .
Controls and equip ­
ment
Opening and closing
Tilting the roof shut Briefly
pull the rotary switch to close the roof.
To tilt the roof down to any intermediate position
pull and
hold
the switch until the roof reaches the desired posi­
tion.
& WARNING
Improper use of the power sunroof can cause serious personal
injury.
• Be careful when closing the power sunroof . Not paying atten­
tion could cause you or others to be trapped and injured as the roof closes.
• Always take the key with you when you leave the vehicle to
prevent injuries caused by the roof closing
• 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. •
Applies to veh icles: with sliding/t ilting power sunroof
Convenience closing feature
The power sunroof can be closed from outside with the
key in the driver's door lock.
-Insert the key into the driver's door lock.
I • •

Clear vision
Clear vision
Lights
Switching the headlights on and off ·t/.·
In the "AUTO" position, a light sensor automatically
s w itches the head- and taillights on an d off in resp onse to
l igh t co nditio ns.
Fig . 54 In strument
p anel: light swit ch
T he lig ht switc h must no t be overt urned pas t the stops in
either direc tion .
Switching on automatic headlight control
-Tur n t he light switch to AUTO =:> fig. 5 4.
Switching on the side marker lights
- Turn t he lig ht s witch to ~oo~.
Switching on the headlights and high beam
- Turn t he lig ht switch to ~D.
- Pu sh th e high beam l ever f orwar d tow ards t he ins tru-
m en t panel =:>
page 74 .
Switching off th e lights
- T urn the light switch to 0.
The head lights only work when the ignition is swi tched on. Whi le
starting the engine or when switching off the ignition, the head ­
l ights wi ll go off and only the side marker lights wi ll be on.
After starting the engine, the headlights are automatically adjusted* to the load and angle of the vehicle (for example, dur ing
acce leration, braking) . T his prevents oncoming traffic from experi­
encing unnecessary head ligh t glare from your headligh ts .
If the system is not ope rating properly, a warni ng sy mbol in the
Auto -Check Control is displayed =>
page 37.
With the side marker lights or headlights switched on, the symbol
next to the light switch illuminates
coo:.
Daytime running light s
• USA models : On vehicles with xenon lights the daytime running
l ights wil l come on a utomatica lly when th e ignition is t urned on an d
the light switch => fig. 54 is in the
O position or the AUTO position
(on ly in day light co nditions). The
Daytime running lights func tion
can be turned on and off in the MMI menu
Exterior lighting
=> page 71. On vehicles with halogen lights there is no daytime
running lights function=> &.
• Canada models: The daytime running lights wil l come on auto ­
matical ly when the ignition is turned on and the ligh t switch
=> fig. 54 is in the
O position or the AUTO position (only in day ligh t
conditions)=> &.
Automatic headlight control
In the switch position AUTO the automatic h eadlight control is
turned on . The low beams are tu rned on automatically through a
l ight sensor as soon as ambient brightness (e .g. when driving into a
tunnel) falls below a value preset at the factory . When ambient ...

Clear vision
• Always check that the wiper blades are not frozen to the glass
before you turn the wipers on. Loosen a wiper blade which is frozen
in place before operating the wipers to prevent damage to the wiper
blade or the wiper motor.
• Do not use the wipers to clear a frosted window. Using the
wipers as a convenient ice scraper will destroy the wiper blades.
• Before you take your vehicle to an automatic car wash, make sure
you have the windshield wiper system switched off (lever in position
Ol, otherwise the windshield wiper system could get damaged in the
car wash if it should suddenly come on .
[ i ] Tips
• The rain sensor is part of the interva l wiping system. Turning off
the ignition will also deactivate the rain sensor . To reactivate the
sensor, switch off the interval wiping function, then switch it back
on again.
• Worn or dirty windshield wiper blades cause smearing which
can affect the operation of the rain sensor. Check the condition of
your windshield wiper blades regularly.
• Make sure the washer fluid reservoir in the engine compartment
is topped off before going on a long trip. Look up~
page 312for
checking and filling the washer container .•
App lies to vehic les: w ith head light washer system
Headlight washer system
The headlight washer system cleans the headlights.
-Operate the windshield wiper/washer system~ page 78,
fig. 69
® with the headlights turned on by holding the
lever for longer than one second.
The washer jets extend forward out of the front bumper driven by
water pressure to spray the front headlights with water. You should inspect the headlights regularly (for example when refu­
e ling) and c lean off any so lid dirt or insects from the lenses.
To ensure the system works properly in winter, keep the washer jets
free of snow and remove any ice using a de -icing spray. •
Service position
The wiper blades can only be changed in the service posi­
tion.
Fig . 70 MMI display:
Windshield wipers
At below freezing outside temperatures, make sure first
that the wiper blades are not frozen to the windshield .
Press the
I CAR] function button.
- Select Windshield wipers. The Windshield wipers menu
appears~ fig. 70.
Select Service position on to turn the service position on
or
off to return the windshield wiper to its original posi­
tion.
You must only attempt to change the wiper blades when the service
position is activated. This way, when you are working on the wind ­
shield wipers, you can avoid damaging the paint on the engine
hood.
~