brake AUDI S8 2010 User Guide

you can bring up a driver message which explains the malfunction in more detail.
Stop vehicle and check brake fluid Level
- Pull off the road .
- Stop the vehicle.
- Turn off the engine.
- Check the brake fluid level~
page 299.
-Contact your nearest authorized repair facility if neces-
sary.
Brake fault ! Drive carefully to nearest
workshop
- Drive carefully to the nearest authorized repair facility and
have the malfunction corrected~& .
Parking brake ! Please contact workshop
- If the warning/indicator light flashes when the vehicle is
stationary or after the ignition is turned on , check to see if
the parking brake can be released . Drive to an authorized
repair facility as soon as possible and have the malfunc­
tion corrected. If the parking brake cannot be released,
contact your nearest authorized repair facility.
- If the warning/indicator light flashes while you are driving, it is possible that the traction control or the emer­
gency brake has malfunctioned. It is possible that the parking brake cannot be applied . It is also possible that
the parking brake cannot be released after it has been
applied. Drive to an authorized Audi dealer to have the malfunction corrected.
Controls and equip ­
ment Safety first
Driver information display
I
f the ABS , ESP and the brake for ce distribution fail, the ABS
warning/indicator light and the ESP warning/indicator light come on
along with the brake system malfunction warning/indicator light
~ & -
& WARNING
• Always observe the warnings in ::::> page 281, "Engine compart­
ment", before opening the hood and checking the brake fluid.
• Driving with low brake fluid is a safety hazard. Stop the car and
get professional assistance.
• USA models: If the BRAKE warning light, the ~ warning light
and the warning light come on together, the rear wheels
could lock up first under hard braking. Rear wheel lock-up can
cause loss of vehicle control and an accident. Have your vehicle
repaired immediately by your authorized Audi dealer or a qualified
workshop. Drive slowly and avoid sudden, hard brake applica­
tions.
• Canada models: If the brake warning light(())), the r-warning
light and the ABS warning light come on together, the rear
wheels could lock up first under hard braking. Rear wheel lock-up
can cause loss of vehicle control and an accident. Have your vehicle
repaired immediately by your authorized Audi dealer or a qualified
workshop. Drive slowly and avoid sudden, hard brake
applications. •
Engine cooling system malfunction -1-
A malfunction in the engine cooling system must be
repaired as soon as possible.
When the - L symbol in the display blinks, then either the
engine coolant
temperature is too high, or the coolant level ~
Vehicle care Technical data

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

-Position the head restraint according to the occupant's
height ~
page 81. For maximum protection, the top of
the head restraint should be at least at eye level, prefer­
ably higher and ideally level with the top of the head
~ page 191, fig. 200.
& WARNING
Never place any objects in the driver's footwell. An object could
get into the pedal area and interfere with pedal function. In case
of sudden braking or an accident, you would not be able to brake
or accelerate. •
Front passenger's seat
Always move the front passenger seat into the rearmost
position.
To avoid contact with the airbag while it is deploying, do not
sit any closer to the instrument panel than necessary and
always wear the three-point safety belt provided adjusted
correctly. We recommend that you adjust the passenger 's
seat in the following manner:
- Move the front passenger seat into the rearmost position
of the fore and aft adjustment range~
& in "Why is your
seat adjustment so important?" on
page 76.
- Bring the backrest up to an (almost) upright position.
Do
not ride with the seat reclined.
- The ideal position for the head restraint is with the upper
edge of the restraint level with the top of your head
~ page 81. You should not lower the top of the restraint
below the level of your eyes.
Con tro ls a nd e quip ­
m en t Vehicle
OP-eration
Seats and storage
-Place your feet on the floor in front of the passenger's
seat. •
Power seat
Controls
The operating logic for the switches corresponds to the
construction and function of the seat.
Fig. 71 Power seat:
Controls for seat
adjustment
The switches to adjust the seats correspond to the layout, the design
and the function of the seat. The seats are adjusted by moving the
switches following this logic.
© Upper thigh support~ page 78
@ Seat adjustment ~ page 78
© Massage funct ion* ~ page 79
@ Seatback angle~ page 79 and head restraint~ page 81 adjust-
ment
© Separa te adjustmen t of upper sea tback section ~ page 79
© Adjusting the lumbar support~ page 80
© Safety belt height adjustment~ page 204 ..,
Vehicle care Do-it-yourselt service iTechnical data

& WARNING (continued)
when accelerating or when applying the brakes or when driving
around a corner.
• When you are driving make sure that anything you may have
placed in the center console or other storage locations cannot fall
out into the footwells. In case of sudden braking you would not be
able to brake or accelerate.
• Any articles of clothing that you have hung up must not inter­
fere with the driver's view. The coat hooks are designed only for
lightweight clothing. Never hang any clothing with hard, pointed
or heavy objects in the pockets on the coat hooks. During sudden
braking or in an accident -especially if the airbag is deployed -
these objects could injure any passengers inside the vehicle. •
Glove compartment
Your Owner's Literature and the media player are stored
in the lockable glove compartment.
i-----..,--------- l
i
Contro ls a nd e quip ­
m en t
Fig . 106 Glove
compartment
Vehicle OP-eration
Seats and storage
-- -- ·· - - -J
-
-
To open glove compartment
Fig. 107 Glove
compartment: CD
changer
- Pull the handle in the direction of the arrow and swing the
cover down to open =:> fig. 106.
To close glove compartment
-Push the glove compartment lid up until the lock engages.
In the glove compartment lid you will find a place to store a pen and
a pad of paper.
& WARNING
To reduce the risk of personal injury in an accident or sudden stop,
always keep the glove compartment closed while driving. •
Vehicle care Do-it-yourselt service iTechnical data

_________________________________________________ O_ n_ t_ h_ e_ r _o_ a_d _ __.lft'I
(]] Tips
• If you release the ignition key in posit ions G) , @ or@, the key
automatically returns to position @.
• If you open the driver's door when the ignition is switched on, a
buzzer sounds and the message
Ignition is on appears in the instru­
ment cluster display. Please switch the ignition off.•
Ignition key safety lock
The ignition key can only be removed when the selector
lever is in the "P" (Park) position.
After turning off the ignition, the ign ition key can only be removed
from the ignition lock when the se lector lever is in the "P" (Park) posi­
tion . After you have removed the key, the selector lever is locked and
cannot be moved. •
Starting and stopping the engine
Starting the engine
The engine can only be started with your original Audi
key.
Con tro ls a nd e quip ­
m en t
Fig. 132 Ignition key
positions
Vehicle OP-eration
-Step on the brake.
- Move the selector lever into P or N
~ &.
- Turn the ignition key to position @~ fig. 132 -do not
depress the gas pedal when starting the engine.
A cold engine may sound loud after it has been started. This is due to
the hydraulic valves building up oil pressure. This is normal and is not
a need for concern.
If the engine does not start immediately, stop trying after 10 seconds
and then try to restart the engine about 30 seconds later .
& WARNING
Never start or let the engine run in a confined or enclosed area.
Exhaust fumes from the engine contain carbon monoxide , a color­
less and odorless gas. Carbon monoxide can be fatal if inhaled.
• Never leave the engine idling unattended. An unattended
vehicle with a running engine poses a danger of personal injury or
theft .
0 Note
• Avoid high eng ine speeds, fast accelerat io n or heavy engine loads
wh ile the engine is still cold. This could damage the engine.
• The engine cannot be started by push ing or towing the vehicle.
~ For the sake of the environment
To avoid unnecessary engine wear and to reduce exhaust emissions,
do not let your vehicle stand and warm up. Be ready to drive off imme­
diately after starting your vehicle. Maintain moderate speed unti l the
engine is completely warm. Remember, the engine performs best at
operating temperature .•
Vehicle care Do-it-yourselt service iTechnical data

1111..__0_ n_ t_h _e_ r_o _ a_ d _________________________________________________ _
Stopping the engine
-Turn the ignition key to position @::::} page 119, fig. 132.
& WARNING
• Never turn off the engine until the vehicle has come to a
complete stop.
• The brake booster and servotronic only work when the engine
is running. With the ignition turned off, you have to apply more
force when steering or braking. Since you cannot steer and stop
normally, this can lead to accidents and serious injuries.
• The radiator fan can continue to run for up to 10 minutes even
after you have turned off the engine and removed the ignition key.
The radiator fan can also turn on again if the engine coolant heats up because of intense sunlight or heat build-up in the engine
compartment.
0 Note
Do not stop the engine immediate ly after hard or extended driving .
Keep the engine running for approximately two minutes to prevent
excessive heat build-up. •
Starting and stopping the engine
using the Convenience key
Applies to veh icles: with Conven ience ke y
Starting the engine using the [START]
button
Using this button, you can switch on the ignition and start
the engine.
C,
0
Fig. 133 Convenience
key :
START button
The [ST ART] button has a two position feature. ::::} fig . 133.
Switching on the ignition
- Press the [ST ART ) button to the first position. Only the
ignition switches on.
Starting the engine
- Depress the foot brake.
- Move the selector lever into the P or N position ~,& .
- Press the
[ST ART ) button to the second position. The
engine starts.

On the road -
----------------
When starting a cold engine , the eng ine may be a b it no isy for a short
w hil e. T his is bec ause the hy dra ulic va lves are w orking to br ing up the
oil p ressure . This is normal and no cause for conce rn .
If the engine does not start immediately, stop c ranking the engi ne
a fter 1 0 seconds . Wai t 30 secon ds, then try to re start the e ngine.
& WARNING
Never start the engine in an enclosed area such as in your garage
with the garage door closed. The exhaust fumes are poisonou s!
0 Note
• Avoid high engine speeds, full gas or heavy eng ine loads if the
eng ine has not war med up to its operat ing te mperatu re. You cou ld
damage the eng ine.
• Do not try to start the eng ine by pu lling or pushing.
~ For the sake of the environment
Do not let your v ehicle stand and war m up . Be r eady to drive off r ig ht
away . This way, you prevent unnecessary exhaust emiss io ns.
[ i ] Tips
If you open the driver 's doo r when the ignition is sw itched on, a
bu zzer sounds and t he message
Ignition is on appea rs in t he ins tru­
ment cl uster d isplay . Please switch the ignition off. •
Controls and equip­
ment Safety first
A
pp lies to ve hicles : w ith Conve nie nc e key
Stopping the engine using the (STO P)
button
0
Fig. 134 Convenie nce
key : STOP butto n
-Bring t he ve hicle to a co mplete stop .
- Move t he sele cto r in to the P or N p osit ion .
- Press th e
[STOP] b ut ton => fig. 134.
Pressing the !STO P I button o nce sw itches off the engine and t he ign i­
t ion. I f yo u press the
[STOP ) button again fo r approximately 2
seconds, the stee ring w ill be loc ked , p rovided t hat the se lec tor leve r
is in the P pos ition ~& .
Emergency OFF function
If necessa ry, the eng ine ca n be switched off with the se lecto r lever in
t he R, Dor S positions . T o do so, s tep on the foo t brake and p ress and
hold t he
[STOP ) button (ve hicle speed must be be low 6 mph/ 10
km/ h).
& WARNING
• Never stop the engine until the vehicle has come to a complete
stop. _,,,,
Vehicle care Technical data

-On the road •m ___________________ _
& WARNING (continued)
• The brake booster and the servotronic only work when the
engine is running. If you turn off the engine, more force will be
required to steer or brake the vehicle. If you are not prepared, this
could result in a collision and serious personal injury.
• For your safety, move the selector lever to the P position, then
turn off the engine. Otherwise the vehicle could inadvertently roll
away.
• After turning off the engine, the radiator fan can come on and
run for up to 10 minutes -even if the ignition is switched off. Like­
wise, the fan could come on if the temperature in the engine
compartment raises due to heat build up or if you leave the vehicle
standing in direct sunlight.
0 Note
After driving at high engine load, heat can build up in the engine
compartment after you have turned off the engine. This can damage
t he engine. Let the vehicl e stand and run in idl e for about 2 minutes
before turning off the engine. •
App lies to ve hicles : w ith Conve nie nc e key
Driver's messages in the instrument
cluster
Messages appear in the instrument cluster to let the
driver know if something is missing or if something must
be done.
No key identified
This message appears when you press the [START) button, but there
is no remote contro l key inside the vehicle or if the system does not
recognize the key. For example, if your key is
shielded by an object or
encased, i .e . in side an aluminum briefcase, the signal from the key cannot be detected
. Electron ic devices such as cell phones can also
in terfere w ith the radio signal.
Press brake pedal to start engine
This message appears when you press the !S T ART ) butto n when
starting the engine but you have not depressed the brake pedal.
Engage N or P to start engine
This message appears when you start the engine but the selector
lever is not in the P or N position . The engine can be started only if the
selector lever is in one of these two positions .
Key not in vehicle
This message appears together with the 7 symbol when the remote
control key is removed from the vehicle while the engi ne is running.
Th is is to remind you that you should not cont inue your tr ip without
your key.
If the key is no longer inside the vehicle when you turn off the engine,
you will not be able to switch on the ignition or restart the engine.
Also, you will not be able to lock the vehicle from the outs ide .
Shift to P, otherwise vehicle can roll away. Doors do not lock if lever
is not in P.
Thi s message appears for your safety together with an audible
warning signal when you press the
[STOP) button but the selector
lever is not in the P position and you open the driver's door. Move the
selector leve r in to P, otherwise the vehicle could roll away. I n addi­
tion, you will not be able to lock the ve hicle with either the lock
button located on the door hand le or the remote control.
To engage steering lock, press and hold STOP button
Th is message appears for your personal safety if you switch off the
engine and the ignition by pressing the
[STOP) button and then open
the driver's door. In this case, the steering will still not be locked. The
steering wheel will lock:
• If you press the
I STO P I button for longer than 1 second.
• If you lock the vehicle from the outside .•

On the road -
----------------
Electromechanical parking brake
Operation
The electromechanical parking brake replaces the hand
brake.
Fig. 135 Center
console: Parking brake
- Pull the switch to apply the parking brake~ fig. 135. 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 release the parking brake.
The indicator light in the switch will go out.
Your vehicle is equipped with an electromechanical parking brake
which replaces the handbrake. The parking brake is designed to
prevent the vehicle from rolling unintentionally.
In addition to the normal functions of a traditional hand brake, the
electromechanical parking brake provides various convenience and
safety functions.
Emergency brake
An emergency brake ensures that the vehicle can be slowed even if
the normal brakes fail~ page 125, "Emergency braking".
Controls and equip ­
ment Safety first
Indicator lights
•
If the parking brake is applied with the ignition turned on, the
indicator light in the instrument cluster (U.S. models:=.., Canadian
models: ©) and in the switch
«el) will come on.
• If the parking brake is applied with the ignition turned off, the
indicator light in the instrument cluster (U.S. models:=., Canadian
models: ©) and in the switch
«fl) will come on for about 30 seconds
and then go out.
& WARNING
If the vehicle is stationary and the transmission is engaged with
the engine running, the engine should not be speeded up (e.g.
manually from under the hood). Otherwise the vehicle will start to
move -you run the risk of an accident.
0 Note
If the warning/indicator light (U.S . models: BRAKE, Canadian models:
«I» ) flashes in the instrument cluster, there is a brake system
malfunction . By pressing the [CHECK! button, you can bring up a
driver message which explains the malfunction in more detail. If the
message
Parking brake ! Please contact workshop appears, there is
a parking brake malfunction which you should have repaired immedi­
ately by an authorized dealership~ page 28.
[ i] Tips
• You can apply the parking brake at any time -even with the igni­
tion turned off . The ignition must be turned on in order to release the
parking brake.
• Occasional noises when the parking brake is applied and released
are normal and are not a cause for concern.
• The parking brake goes through a self-test cycle at regular inter­
vals -when the vehicle is parked. Any associated noises are normal. •
Vehicle care Technical data