2008 AUDI S6 check engine

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. .,.

The next time t he vehicle is locked, the ti lt sensors a re automaticall y
tu rn ed on again.•
Power windows
Controls
Switches for front door windows
@ o per ates th e wi ndow in th e d river 's d oor.
Fig . 46 Driver 's door:
power window
switches
@ ope ra tes th e window in the fr ont passe nger's door.
Switches for rear windows
© operates the left r ear window .
@ operates the right rear window .
Safety switch
© S afety switch fo r rear window operation.
& WARNING
• Do not leave children unattended in the vehicle , especially with
access to vehicle keys. Unsupervised use of the keys can result in
starting of the engine and use of vehicle systems su ch as power
windows, etc. which could result in serious injury.
Con tro ls and eq uip­
ment
Opening and closing
& WARNING !continued)
• Remember -you can still open or close the power windows for
about ten minutes after the ignition is switched off . Only when
either of the front doors are opened are the power windows
switched off .
• Be careful when closing the windows . Check to see that no one
is in the way , or serious injury could result!
• Always remove the ignition key whenever you leave your
vehicle .
• If you lock your vehicle from the outside, no one , especially chil ­
dren , should remain in the vehicle .
• Do not stick anything on the windows or the windshield that
may interfere with the driver 's field of vision .
[ i ] Tips
In addition to the switches in the driver 's door there is a separate
sw itc h in eac h do or f or the po wer window in th at do or =::> page 64,
fi g . 4 7 .
a
Switches in the driver's door
The dr iver can operate all windows .
If th e re spect ive sw itc h is pu shed or pull ed the w ind ow will
ope n or clos e. T he powe r w in dow swi tc hes ha ve a two-posi­
tion function:
Opening the vvindovvs
P u sh the s wit c h to the first stop and hold it there un til the
w ind ow has l ow ered t o th e desired position.
Pu sh the s witch brie fly to the second stop : the win dow
w ill a uto maticall y open a ll the way. _.
Vehicle care I I irechnical data

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.
~

___________________________________________________ O_ n_ t_h _e_ r_o _a_ d _ ___.9I
and then the driver's door is opened. In this instance, the steering is
not locked . The steering is locked :
• If you press the
I STOP ] button aga in for more than 1 second.
• If you c lose the driver's door and lock your vehicle from the
outside .•
Electromechanical parking brake
Operation
The electromechanical parking brake replaces the hand
brake.
Fi g. 12 6 Center
co nso le: Parki ng bra ke
- Pull the switch to app ly the park ing brake => fig. 12 6. The
indicator light in the switch will come on .
- Step on the brake pedal or the accelerator pedal and
press the switch at the same time to rel ease the parking
brake. The indicator lig ht in the switch wi ll go out.
Your vehicle is equipped with an elect romechanical parking brake
which replaces the handbrake . T he parking brake is designed to
prevent the vehicle from rol ling unintentional ly.
Con tro ls and eq uip­
ment
I n add ition to the normal functions of a traditional hand brake, the
e lectromechanica l parking brake provides various convenience and
safety functions.
Emergen cy brake
An emergency brake ensur es that the vehicle can be slowed even if
t he
normal brakes fail=> page 131, "Emergency braking".
Ind icator lights
• If the parking brake is applied with the ignition tu rned on , the
indicator light in the instrument cluster (U.S models :
::i.:,, Canadian
models: ®)) and in the switch <®) will com e on .
• I f the parking brake is app lie d with the ignition
tu rn ed off , the
indicator light in the instrument cluster (U.S. models: ::.:\,, Canadian
models :(®) ) and in the switch© will come on for about 30 seconds
and then go out .
& WARNING
If the vehicle i s stationary and the tr ansmi ssion is engag ed with
the engine ru nning , the engine should not be speeded up (e .g .
manu ally from under the hood ). Otherwi se the vehicle will sta rt to
move -you run the risk of a n accident .
0 Note
If the warning/indica tor light (U.S . mode ls: BRAKE , Canadian mode ls :
(Ci)) ) flashes in the instrument clus ter, there is a brake system
malfunction . By pressing the
I CHECK] button, you can bring up a
driver message which explai ns the ma lfunc tion in more detail. If the
message
P a rki ng brake ! Plea se conta ct w ork shop appears, there is
a par king brake malfunction which you should have repaired imme -
d iate ly by an authorized dealership=>
page 32. ..
Vehicle care
I I irechnical data

Automatic transmission 1111111 __________________________ ___;__:..;____;_ ______ _
& WARNING (continued )
-When the selector lever is in a driving position , the vehi cle
may creep , even at idle speed . Therefore do not release the
parking brake or foot brake until you are ready to move ,
because power is transmitted to the wheels as soon as a
driving position is engaged.
- Do not accelerate while selecting a driving position. At this
time the engine must be at idle speed so that undue stress is
not placed on the clutches in the transmission.
- Remember : - even when stopped briefly with the automatic
transmission in "D", "S" or "R" , engine power is being trans ­
mitted to the wheels . Your vehicle could "creep " forward or
backward . When stopped , keep the brake pedal fully depressed
and use the parking brake if necessary to keep the vehicle from
rolling .
- If the sele ctor lever is unintentionally moved into N while you
are driving , take your foot off the accelerator pedal and wait for
the engine to return to idle speed before selecting a driving
position .
- Never shift into "R " or "P " when the vehicle is in motion .
- Never get out of the driver's seat when the engine is running.
- If you must get out of the vehicle , move the selector lever
securely into the P position and apply the parking brake firmly .
- If the engine must remain running, never have any driving
position engaged when checking under the hood. Make sure
the selector lever has securely engaged and is locked in "P "
with the parking brake firmly set :::::, page 289, "Engine
compartment ". Otherwise , any increase in engine speed may
set the vehicle in motion , even with the parking brake
applied .•
Controls and equip ­
ment
Ap plies to vehic les : wit h m ultit ron ic® Conti nuous ly Va riable Transm ission (CVT)
Selector lever positions
This sec tion des cribes th e sele ctor lev er positi ons an d
dr iv ing ra ng es.
Fig . 159 Display in the
instrument clu ster:
se lector lever in posi ·
tion P
Th e se lecto r le ver p ositi on engag ed app ear s ne xt to th e selec tor
lev er as well as in the instrument cluste r disp lay .
P -Park
In this s electo r lever position the transmission is mechanica lly
lo cke d.
Eng age P on ly when t he veh ic le is completely stopped=> 11::::. in
" Dr ivin g th e multitroni c®" on page 160
T o s hift int o or out o f pos ition P , you m ust fi rs t p ress a nd h old the
brake peda l and then press the r elease button in th e se lector lever
h an dle whi le m oving the sele ctor l ev er to P .
R - Reverse
The tra nsm issio n w ill automat ica lly se lect the lowest gear ratio
when you sh ift into reverse .
S ele ct R only wh en th e ve hicle is at a
fu ll sto p and t he engine is
running at id le speed :::::, 11::::. in "Driving t he multitron ic®" on
page 1 60.
I • •

___ ln_ t _e_ ll-'"ig ...,_ e_ n_t _t_ e_ c_ h _ n_o _ l_o _,.g= y,_ __________________________________________ _
with less grip, gradually increase the pressure on the accelerator
pedal until the car starts to move.
Overheating of brakes
To prevent the disc brake of the braked wheel from overheating if
subjected to excessive loads on this wheel, the EDL cuts out tempo ­
rarily. The vehicle remains operational and behaves in the same way
as a vehicle without EDL.
As soon as the brake has cooled down, EDL switches on again auto ­
matically.
& WARNING
• When accelerating on slippery surfaces, such as on ice or snow,
always be careful when depressing the accelerator pedal. Even
with the EDL working, the drive wheels can spin and reduce your
ability to control your car. Risk of crash!
• The increased safety afforded by EDL does not mean that you
can take safety risks. Always adapt your driving style to the road
conditions and traffic situation.
[ i] Tips
If a fault occurs in the ABS, the EDL is also not functioning. This is
indicated by the ABS warning light=>
page 22. •
Ant"-Slip Regulation System (ASR)
The Anti-Slip Regulation System prevents the driven
wheels from spinning when the car is accelerating.
General notes
The Anti-Slip Regulation System (ASR) is integrated in the electronic
stabilization program (ESP). When the vehicle starts up and acceler ­
ates, the wheels are prevented from spinning by adjusting the engine power to match the amount of grip available from the road
surface.
How the system works
ASR
performs automatically, i.e. without the driver's intervention.
With the aid of the ABS sensors=>
page 262, ASR monitors the
speed of the driven wheels. If the wheels start to spin, the engine
torque is reduced automatically until the tires find enough grip to
lock onto the road surface. The system is active across the entire
speed range.
Th e ASR works in conjunction with the ABS. If a malfunction should
occur in the ABS, the ASR will also be out of action.
Activating
The ESP is automatically activated when the engine is started and it
performs a self -test . You can activate a deactivated ASR if required
by pressing the =>
page 258, fig. 225 button . When it is activated,
the message
ESP/ASR on appears briefly in the display. Vehicles
with front-wheel drive a deactivated ASR automatically re-activates
itself at a speed of 40 mph (70 km/h) .
Deactivating
You can deactivate the ASR if required by pressing the button (for
less than 3 seconds)=>
page 258, fig. 225. With the ASR deactivated,
the ESP check light comes on, see=>
page 19. The message ASR off
appears in the display as well. On vehicles with front-wheel drive:
deactivation is possible only up to 30 mph (50 km/h) for safety
reasons . Vehicles with all -wheel drive: the ASR can be deactivated
at any speed .
The ASR should normally be activated all the time. Only in certain
exceptional situations when some slip is desirable does it make
sense to deactivate the ASR. Examples:
• when driving with tire chains
• when driving in deep snow or on loose ground and
• when rocking the vehicle loose after it has become stuck .