brake light AUDI S8 2010 Owner's Manual

lffll..__A_ d_a_ p,__ t_iv _ e_ C_r _u _ i_ s _e _ C_ o_ n_t _ r_ o _ L ___________________________________________ _
• -0,11,c::::, Driving in tr affic: The warning light c:::::,11 .. -::::::, shows that a
vehicle moving in yo ur lane of travel h as been de tecte d up fron t in
your lane o f travel. Your speed is adjusted accord ing to the speed of
the vehicle up front. ACC accelerates an d brakes automat ically within
the system's capabil ities .
• -011 ,,-0 Request for driver to assume control : The re d flashing
warning light
c:::::, 11 .. c::::, means Request for driver to assume control.
Yo u as the driver must slow the vehicle with the foot brake . T he
symbo l
-::::::,11,, c::::, t el ls you that the Adapt ive Cr uise Contro l is not able
to slow the vehicle down e nough to keep a enoug h distance to the
vehicle in front of you. A wa rning to ne signa l will a lso sound w hen the
symbol appears .
& WARNING
Improper use of the Adaptive Cruise Control features and inatten­
tion can lead to an crash and serious personal injury.
• Never allow the closing speed between you and other vehicles
to be so high that the Adaptive Cruise Control may not be able to
slow your vehicle safely. If closing speed is too high , you must
apply the brakes yourself to reduce th e risk of a rear-end crash.
• Always sele ct a greater following di stance to the vehicle up
ah ead on w et roads than on dry roads.
• Always read and heed the information and WARNINGS~
& in
" Description " on
page 128.
[ i J Tips
• If the Adapt ive Cruise Control in itiates braking, the hydraulic
bra ke system is under pressure . Therefore, t he b rake pedal distance
is shorter and the pedal feels "harde r" .
• If yo u use the acceler ator to go f aster th an the speed o f the
vehicle ahead of yo u, the d river intervention prompt will not be
accompanied by a warning to ne.
• If the speed you previously set is exceeded, t he indicato r light in
t he speedomete r will sw itch o ff. •
A ppli es to veh icles : w ith Adaptive Cruise Co ntrol
Display in the instrument cluster
You should hav e the supplementary information
displayed here, p articularly on your first trips .
Fig. 147 Displ ay i n
t he in strument clu ste r
Scr oll throug h the av ail able inform ation dis plays by br ie fl y t appi ng
the (RESE T) button at the end of the windshield w iper lever . You can
sele ct a nd information from the trip comp ute r, navigation sys tem or
Adaptiv e Cr uise Control.
© Vehicle sy mbol
® St atu s
© Distan ce
© Vehicle symbol
Th e veh icle symbol indicates whe ther the sy stem has de te cted a
moving veh icle up front in your lane of travel.
• When no moving ve hicle is detected up fro nt, only the
outline of
the vehicle
is d isp laye d.
• A
gray vehicle wi ll appear when a moving vehicle is de tected up
ahead .
• A
red vehicle will appea r if th e s itua tio n de te cted will s oo n l ead to
a requ est for the driver to assume contro l. .._

ffl..__A_ u_t _o _m_ a_ t_ i _c_ t_r a _ n_s_ m_ i_ s _s _ i_o _n _________________________________________ _
Automatic transmission
tiptronic® (6-speed automatic
transmission)
General information
Your vehicle is equipped with an electron ica lly contro lled automatic
transmission . Upshifting and downshifting takes place
automati­
cally.
The transmission is also equipped with tiptronic®. It allows the driver
to shift gears
manually if desired ~ page 158 . •
Driving the automat ic transmission
St art ing the engin e
-The selector lever must be in Nor P.
Starting off
- Press and hold the brake pedal.
Fig. 168 Shift ga te on
t he cente r conso le:
selec tor lever with
release button
- Press and hold the release button in the selector lever
handle and move the selector lever from
P or N to D and
release the button => & .
- Wait briefly until the transmission has shifted (you will
feel a slight movement).
- Remove your foot from the brake pedal and accelerate .
Rocking back and forth to become unstuc k
-Shift only between D and R when the vehicle is at a full
stop and the engine is running at idle speed.
Stopping
- Press and hold the brake pedal until the vehicle has come
to a complete stop .
- Keep the brake pedal depressed so that the vehicle cannot
roll forward or backward while i t is idling =>& .
- Once stopped,
do not depress the accelerator pedal to rev
up the engine=> &.
Parking
-Press and hold the brake pedal until the vehicle has come
to a complete stop .
- Set the parking brake firmly=>
page 124, "Parking".
- Press and hold the release button in the selector lever
handle, move the selector lever into
P and then let go of
the release button=> & . .,

1111....__A_ u_ t_o _m_ a_ t_ic _ t_ r_ a_ n_s _m_ i _s_ s_ i_ o_ n ____________________________________________ _
Select R only when the vehicle is at a full stop and the engine is
running at id le speed =>
& in "Driving the automatic transmission"
on
page 154.
Before you move the selector lever to R , press both the button in the
hand le of the selector lever
and the brake pedal at the same time.
When the ignition is on, the backup lights illuminate when the
selector lever is moved into
R .
N -Neutral
The transmission is in neutral in this position. Shift to this position
for standing with the brakes applied =>
page 156.
When the vehicle is stationary or at speeds be low 3 mph (5 km/h),
you must always apply the footbrake before and while mov ing the
lever out of
N.
D -Normal position for driving forward
Posit ion Dis fo r normal city and highway driving . It ranges from zero
to top speed and all six gears shift automatically, depending on
engine load, driving speed and automat ica lly se lected shift
programs.
When the vehicle is stationary or at speeds below 3 mph (5 km/h),
you must always apply the foot bra ke before and while moving the
lever to
D out of N .
In certa in circumstances it may be advantageous to temporarily
switch to the manual sh ift program to manually select gear ratios to
match specific driving conditions =>
page 158.
S -Sport position
Select this position for sportie r performance. In this position, the
transmission will not upshift as soon, allowing the vehicle to use the
increased power available at higher engine speeds to achieve livelier
acceleration .
When the vehicle is stationary or at speeds be low 3 mph (5 km/h),
you must always apply the foot bra ke before and while moving the
lever to
S out of N .
& WARNING
Read and follow all WARNINGS=> & in "Driving the automatic
transmi ssion" on
page 154.
0 Note
Coasting downhill with the transmission in N and the engine not
running will result in damage to the automatic transmission and
possibly the catalytic converter. •
Automatic Shift Lock (ASL)
Automatic shift lock prevents you from accidentally
shifting into a forward gear or into reverse, thus causing
the vehicle to move unintentionally.
0
Fig . 170 Shift gate
se lector lever lock posi­
tions and interlock
button highlighted
The selector lever lock is released as follows:
- Turn the ignition on .
- Step on the brake pedal.
At the same time press and hold
the lock button on the side of the gear selector knob
=:> fig. 170 with your thumb until you have moved the
selector lever to the desired position. .,_

______________________________________________ A_ u_ t_ o _ m_ a_ t_ ic_ t_r_a _ n_ s_m_ i_ s _s_ i_ o _ n __ ffllll
Automatic selector lever lock
The se lector lever is locked in the P and N positions when the ignition
is turned on. To move the lever from these posit ions the driver must
depress the brake pedal. As a reminder to the driver, the following
warning appears in the instrument cluster display when the selector
is in
P and N:
When stationary apply foot brake while selecting gear
A time delay element prevents the selector lever from lock ing when
it is moved through the
N position (going from R to D). The locking
element will lock the selector lever if the lever is left in N (Neutra l) for
more than approximately
l second, w ithout the brake pedal being
pressed.
At speeds above about 3 mph (5 km/h) the Automat ic Shift Lock is
automatically deactivated in the
N position.
Interlock button
The lock button o n the selector lever prevents the lever from being
accidentally shifted into certain positions. Pressing this button deac­
tivates the selector lever lock . Depending on the direction of the
shift, the selector lever locks at different positions . The pos itions are
highlighted in the illustration ~
page 156, fig. 170.
Ignition key safety interlock
The key cannot be removed from the ignition un less the selector lever
is in the
P park position. When the ignition key is removed, the
selector lever will be locked in the
P position.•
Kick-down
The kick-down feature allows the vehicle to generate
maximum acceleration.
When you press the accelerator pedal beyond the resistance point
that is reached at full throttle, the transmission will select a lower
gear ratio based on vehicle speed and engine RPM. The engine RPM
will be controlled to produce maximum vehicle acceleration as long
Controls and equip­
ment Safety first
as you cont
inue to press the accelerator pedal beyond this resistance
point.
& WARNING
Be careful when using the kick -down feature on slippery roads.
Rapid acceleration may cause the vehicle to skid. •
Dynamic shift program (DSP)
The automatic transmission is electronically controlled.
The transmission is self adapting and will automatically select the
best sh ift p rogram su ited to the driv ing cond it ions and driving style.
The transmission will select one of the
economy programs when you
drive at a steady speed or a gradually changing speed without heavy
acceleration . This ach ieves optimum fuel efficiency, with early
upshifting and delayed downshifting.
Th e transmission will automatically select the
sporty shift programs
when you dr ive at higher speeds, or w ith heavy acceleration and
frequently changing speeds. Upshifts are delayed to make full use of
engine power . Downshifting takes place at higher engine speeds than
in the economy programs .
The select ion of the most suitable shift program is a cont inuous,
automatic p rocess. The driver can also make the transmission switch
t o a spo rty program by
quickly pressing down the gas pedal.
Th is causes the transmission to shift down to a lower gear to achieve
rap id acceleration, e.g . for quickly passing another vehicle. Yo u do
not need to press the gas pedal into the kick -down range . After the
transmission has upshifted, the original program is selected
according to your driving style.
An additional shift program allows the automatic transmission to select the proper gear for uph ill and downhill gradients.
Th is prevents the transmission from upshifting and downshifting
unnecessari ly on hills. The transmission will shift down to a lower _,.
Vehicle care Technical data

llffl..__A_ u_ t_ o_ m_ a_ t _ ic_ t_r_a _ n_ s_m _ i_ s _s_ i_ o _ n _____________________________________________ _
gear when the driver presses the brake pedal on a downhill gradient.
This makes use of the braking effect of the engine w ithout the need
to shift down manually .•
Manual shift program
Using the manual shift program you can manually select
gears.
Fig. 171 Center
conso le: shifting the
tiptronic ® manually
Fig. 172 Display:
manual shift program,
selected gear high­
lighted
Switching to manual shift program
- With the selector lever in D, push the lever to the right.
The display will show
6 5 4 3 2 1 as soon as the selector
lever is moved. The gear you select will also be highlighted
=> fig. 172.
To upshift
-Push the selector lever forward to the plus position 0
=> fig. 171 .
To downshift
-Push the lever to the minus position Q.
When accelerating, the transmission will automatically shift into
gears 1, 2, 3, 4 or 5 before the engine reaches its maximum RPM .
I f you apply a light throttle when acce lerating, t iptronic ® will auto­
matically shift from 1st to 2nd gear to save fuel.
If you apply a heavy
throttle, the transmission will stay in 1st gear until near maximum
RPM is reached, or unt il the dr iver shifts into 2nd gear .
I f you take your foot off the accelerator pedal when driving down a
steep incline, tiptronic ® will downsh ift from the se lected gear into
the next lower gear until it reaches 1st gear , based on road speed and
engine RPM. Automatic downshifting is interrupted as soon as you
apply the th rottle again.
lI] Tips
• When you shift into the next lower gear, the transmission will
downshif t only when there is no possibility of over- rewing the
eng ine.
• When the kickdown comes on, the transmission will sh ift down to
a lower gear, depending on vehicle and eng ine speeds.
• Tiptronic ® is inoperative when the transmission is in the fail-safe
mode. •

_____________________________________________________ H_ o_m_ e_ L_i_n _k_ ®_ • __ _
Homelink ®
Universal remote control
Applies to veh icles: w ith Hom eli nk ® universal remote control
General information
The Homelink ® feature can learn up to three radio
frequency codes for most current transmitters used for
operating garage doors, estate gates, home or outdoor
lighting systems, and other devices.
You must first program the Homelink ® transm itter before you can
use the system=>
page 182, "Programming the Home link® trans­
mitter".
I n order to program the Homelink ® transmitter for devices utilizing
rolling code, a second person on a ladder who can safe ly reach the
garage door opener motor is recommended. It is also necessary to
locate the "learn" button on your garage door opener motor. Refer to
the operating instructions for the opener, as the location and color of
this button may vary by manufacturer.
You can still use the original remote control for the device at any
time.
& WARNING
• Never use the Homelink'"' transmitter with any garage door
opener that does have not the safety stop and reverse feature as
required by federal safety standards. This includes any garage
door opener model manufactured before Aprill, 1982.
• A garage door opener which cannot detect an object, signaling
the door to stop and reverse does not meet current federal safety
standards. Using a garage door opener without these features
increases risk of serious injury or death.
Controls and equip ­
ment Safety first
& WARNING
(continued)
• For safety reasons never release the parking brake or start the
engine while anyone is standing in front of the vehicle.
• A garage door or an estate gate may sometimes be set in
motion when the Homelink ® remote control is being
programmed. If the device is repeatedly activated, this can over­
strain motor and damage its electrical components -an over­
heated motor is a fire hazard!
• To avoid possible injuries or property damage, please always
make absolutely certain that no persons or objects are located in
the range of motion of any equipment being operated.
rn Tips
• If you would like more information on Homelink ®, where to
purchase the Homelink ® compatible products, or would like to
purchase the Homelink ® Home Lighting Package, please call toll­
free: 1-800-355-3515.
• For Declaration of Compliance to United States FCC and Industry
Canada regulations=>
page 364 . •
Vehicle care Technical data

.,..__H_ o_m_ e_ L_ i _n_ k_ ® _______________________________________________ _
Applies to veh icles : w ith Homelin k® un iversa l remote control
Programming the Homel ink ® transmitter
The transmitter is programmed in two phases . For rolling
code transmitters, a third phase is also necessary .
i--------------~
I----~---------.---- "' :;
N
"' M ~ w
~
Fig. 195 Overhead
conso le: Homelink ®
keypad
F ig . 196 F ront
bumpe r, driver side:
location of transmitter
u n it
Phas e 1: programming the o verhead k eyp ad
1. Make sure your vehicle is within operating range of the
remote controlled garage door opener.
2 . Set the parking brake=>
& in "General information " on
page 181.
3. Turn the ignition on. Do not start the engine! 4
. Press and hold the two outside Homelink ® buttons
G) and
@ for approximately 20 seconds until indicator light@
=> fig.
195 begins to flash . Then release both buttons . Do
not hold the buttons for longer than 30 seconds .
- This procedure only needs to be performed
once. It erases
the factory-set default codes and does not have to be repeated to program additional remote controls .
5. Press and hold the Homelink ® button
G) , @ or@ until
the indicator light@ starts flashing
slowly . Release the
button .
-The system will remain in programming mode for 5
minutes. Co to the front of the vehicle and proceed with
phase
2 .
Phase 2:
programming the bumper mounted tr ansmit
ter
6 . Hold the original r emote control at a distance between 0-
6 in. (0 -15 cm) from the bumper below the appropriate
headlight for your vehicle=> fig .
196 (use the shortest
distance possible) .
7 . Aim the remote control just below the
driver side head ­
light .
8. Press and hold the activation button on the remote control.
- May be different in Canada . If so, press and re-press
(cycle) the activation button on your remote control every
two seconds. .-,,

_________________________________________ I_ n_ t_ e_ ll_,igent technology ,__E~-
acting on the vehicle, the brake pressure and the steering angle are
all meas ured.
The direction in which the driver wishes to travel is determined with
the aid of the steering angle and vehicle speed and is continually
compared with the actual behavior of the vehicle. If the two do not
match, for example , when the vehicle starts hydroplaning on a wet
road, ESP will automatically brake the appropriate wheel to correct
the problem.
The vehicle is then stabi lized by the forces acting on the whee l during
braking. If the vehicle is
oversteering (rear tends to skid out of the
turn), the brakes are main ly applied on the wheel that is on the
outs ide of the curve. In the case of a vehicle that is
understeering
(tendency to slide out of the curve), the brakes are applied at the rear
wheel that is on the inside of the curve. An acoustic signal ind icates
when ESP brake application cuts in =>
&.
Th e system operates across the entire speed range in combination
with the ABS system=>
page 256. If the Anti-Lock Brake System
(ABS) malfunctions, the ESP will be out of action as we ll.
Activation
When you turn on the engine, ESP will automatically be activated and
will perform a self-test .
The system can be activated or deactivated by pressing the button
=>
page 252, fig. 234 . The warning light comes on when the system
is switched off=>
page 16.
Normally, the ESP should always be on, however, it may be advanta­
geous to turn off the sys tem in certain special cases when some
degree of whee l spin is desired such as:
• when driving with snow chains
• when driving in deep snow or on a loose surface (to allow the
wheels to dig in to reach firm ground)
• when trying to "roc k" the vehicle free when it has become stuck.
The system should be reactivated once you are no longer in such situ­
ations.
Controls and equip­ ment Safety first Vehicle operation
Both the ABS and
EDS systems are still functioning even if the ESP is
switched off.
& WARNING
The Electroni c Stabilization Program is nevertheless subject to the
laws of physics. It is particularly important to pay attention to
this fact on wet and slippery roads. It is therefore important that
you always adapt your driving to the condition of the road and
traffic conditions. Do not allow the increased safety provided by
the Electronic Stabilization Program system to lull you into
accepting additional safety risks. •
Electronic differential lock (EDL)
The electronic differential lock monitors the rotational
speed of the drive wheels.
General notes
The electronic differential lock (EDL) helps the car to start moving,
acce lerate and climb a gradient on surfaces providing poor or almost
no grip . Without EDL, this would be difficult, if not impossible .
How the system works
The EDL operates automatically. It monitors the rotational speed of
the drive wheels on an axle with the he lp of the ABS sensors
=>
page 256 . If a noticeable difference in rotational speed between
the drive wheels on one axle is detected (e .g . on slippery ground
on
one side),
the spinning wheel is braked, thereby transferring power to
the other drive whee l or wheels (all -wheel drive). This is done up to a
speed of about 60 mph (100 km/h) . Noises from the brake system
signal that wheel spin is being contro lled.
Driving off
When driving off, always be sure to keep road conditions in mind as
you accelerate. If one drive wheel spins because it is on a surface with
less grip , gradually increase the pressure on the accelerator peda l
Iii>
Vehicle care Do-it-yourself service Technical data

Intelligent technology
'-----------------------------------------------
until the car starts to move . The whee l less ab le to transfer power
spins .
Overheating of brakes
To prevent the disc b rake of the bra ked wheel from ove rhea ting if
subjected to excessive loads, the EDL cuts out temporarily . The
veh icle remains operat ional and beh aves in the same way as a vehicle
without EDL .
As soon as the brake has coo led down, EDL switches on again auto­
matically .
& WARNING
• When a ccelerating on slippery surfaces, such as on ice or snow,
alw ay s be careful when depre ssing the a ccelerator pedal. E ven
with the EDL working, the drive wheel s can spin and reduce your
ability to control your car . Risk of crash !
• The in creased safety afforded by EDL does not mean that you
can take safety ri sks. Always adapt your driving st yle to the road
condition s and traffic situation .
fi Tips
If a fault occurs i n the ABS, the EDL is also no t fu nct ion ing . This is
indicated by the ABS warning light~
page 19. •
Anti-Slip Regulation System (ASR)
The Anti-Slip Regulati on System prevents the driven
wheels from spinning when the car is a ccel erating.
General notes
T he Anti-S lip Regulation System (ASR) is integrated in the electronic
stabilization program (ESP). When the veh icle starts up and acceler­
ates , the wheels are p reve nted from sp inning by adjust ing the eng ine
powe r to match t he amo unt of grip avai lab le from the road s urface.
How the system works
ASR perfo rms au toma tica lly, i .e . witho ut the drive r's in tervent ion .
With the aid of the A BS sensors~
page 256, ASR monitors the speed
of the driven wheels . If the wheels start to spin, the engine powe r is
reduced automat ically u nti l the t ires find enough gr ip to lock onto
the road s urface. The system is active across the entire speed range.
Th e ASR wor ks in con ju nction with the A BS .
If a m alfu nction sho uld
occur in the ABS, the ASR w ill also be out of action.
& WARNING
The increased safety afforded by ASR does not mean that you can
take safety ri sks . Always adapt your driving style to the road
condit ions and traffic situation.
[ i ] Tips
To ensure that the ASR works prope rly, all four wheels must be fitted
w ith ident ic a l ti res Any differences in rollin g radius of the tires can
cause the system to reduce engine power when t his is not desired .
See also ~
page 318, "N ew t ires and replacing tires and whee ls" .•
Braking
General Information
What affects b raking efficiency ?
Operating cond itions and driving habits
Th e bra kes on t oday's automo biles are still subjec t to we ar,
depending large ly on operating conditions a nd driving habits~ &.
O n ve hicles tha t are eithe r driven mostly in stop- and-go city t raff ic or
are drive n hard, the brake pads should be checked by your author ized
Audi de aler more o ften than specified in the
Warranty & Mainte­
nance booklet .
Failure to have your brake pads i nspected can result
in re duced brake pe rformance. .,

lillill.a._...:I:..: n~ t .::.e::::..::.: ll~igent technology ,_ _______________________________________ _
Brake booster
The brake booster adds extra braking power.
The brake booster works with vacuum pressure which is created on ly
w hen the eng ine is ru nn ing =>& .
& WARNING
• Nev er let the vehicle roll to a stop w ith the engine shut off.
• If the brake booster is n ot working , for e xample when towing
your vehicle, or because the brake booster has som ehow been
damaged , the brake pedal must be pressed conside rably harder to
make up for the lack of booster assistan ce. •
Functioning of Anti-Lock Brake System
(ABS)
A BS prevents the wheels fr om locking up under braking.
The ABS co ntributes effectively to ve hicle contro l s i nee it preve nts the
w heels from
locking when the brakes a re applied. T his means that the
vehicle remains steerable and is less likely to skid .
With ABS you do not need to pump the brake. Just hold the brake
pedal down.
However, do not expect the A BS to shorten brak ing distance under all
circumstances. When driving on grave l o r on newly fa llen snow on top
of icy su rfaces, b raking distance may be even longer, therefore, under
these circumstances, it is especially important that you drive slowly
and w ith great care.
How the ABS system works
An automatic check is made w hen a speed of abo ut 4 mph (6 km/h) is
reached . When this happens, a pumping noise can be heard . If a
n ind iv idua l wheel begins to rotate too slow ly in relat ion to ve hicle
speed and tends to lo ck, the ABS automat ically redu ces bra ke pres ­
su re to p revent t hat wheel from lock ing.
Th is automatic adjustment process wi ll cause a
slight vib ration of
t he bra ke pedal and so me noises to al er t you tha t vehicle s peed mus t
be adapted to existing road and traff ic conditions.
& WARNING
Although the ABS is very effective, always remember that braking
capability is limited by tir e traction. Always adjust your driving
speed acco rding to the road and traffic conditions. Do not let the
extra safety afforded by the ABS tempt you into taking extra ri sks .
The ABS cannot ove rcome the laws of physics.
[I) Tips
• If ABS is not funct ioning properly, a warning light will come on.
See=>
page 19.
• If a fa ult occ urs in the ABS, the ED L is also not functioning . This is
ind icated by the A BS warn ing ligh t.•
Brake assistant
T he brake assistant is designed to achi eve the optimum
b ra king effect.
The b rake ass istant helps to i ncrease the effective brak ing power and
thus to achieve a shorter stopping distance. If the driver p resses the
bra ke pedal
very quickly, the brake assistan t automatically boosts t he
brak ing fo rce to the maximum level, up to the po int where the anti­
lo ck bra ke f un ct ion (ABS) intervenes to stop the whee ls from locking.
You shou ld then keep the brake pedal pressed unt il the ve hicle has
bra ked to t he required s peed . T he bra ke ass ist ant sw itches itse lf off
as soon as you re lease the brake pedal. ._