cruise control AUDI S8 2008 Owners Manual

Table of contents
Table of contents
Vehicle literature ........ .
About this Owner's Manual ..................... .
Controls and
equipment .. ... ... ..... ... . .
Inst rumen ts and contr ols ..... .
Genera l ill ustration ............. .
Instruments and
warning/indica tor lig hts ....... .
Instruments ................... .
Warning/indicator lights ........ .
Driver informa tio n d isplay ..... .
Introduction ................... .
On-Board Diagnostic system
(080)
Auto Check Control ............ .
Speed war ning system ... ...... .
Trip computer ..... ............ .
Tire pressure monitoring system ..
Opening and closing .......... .
Keys ............ ... .. ... · · · · · · ·
Power locking system .......... .
Rear lid/Trunk lid .......... ..... .
Ch ild safety loc k .... ... .... .... . 5 Advanced Key
................ .
Anti-theft a larm system ..... ... .
Powe r w indows ... ... ... ... .. .
S lid ing/ti lt ing power sunroof ... .
6 Clear vision ... .... .. ... .. ..... .
9
11
1 1
1 2
12
1 6
2 4
2 4
27
28
36
38
40
47
47
49
55 58 Lights
..................... ... .
Interior lights ... ...... .. .. .. .. .
V is ion ........... ........... .. .
W iper and washer system ... ... .
Mirrors .. .. ... ......... ..... .. .
Seats and storage ......... ... .
Genera l recommendat ions ..... .
Powe r seat . ... ... ......... ... .
Head restraints .............. . .
Arm rest ..................... .
Seat memory ... ... ...... ..... .
Rear sea ts . ... ... ... ... ... .. .. .
Ind ividua l rear seats ........ ... .
Luggage compartment ........ .
Roof rack ........ ... .... .... .. .
Cup holder .................... .
As htray . ... ... ... ......... ... .
Cigarette lighter/socket ........ .
Long center console ........... .
Storage .... ...... ............ .
Warm and cold ............... .
Climate controls .............. .
W indshield defogg ing /defrosting .
Rear clim ate controls ..... ..... .
Basic settings ......... ... ... .. .
On the road ... ... . .. ... .. ... .. .
Stee ring .... ... ... ............ .
Ignition lock and ignition sw itch .
Starting and stopping the engine 59
Starting and stopping the engine
61 using t he Advanced Key . . . . . . . . . 131
62 Electromechanical parking brake . 134
65 Cru ise control . . . . . . . . . . . . . . . . . . 137
69
A dapt ive Cruise Control . . . . . . . . 139
69 Speed and distance control system 139
7 4 Driver informat ion . . . . . . . . . . . . . . 144
77 Specia l driving si tua tions . . . . . . . . 14 9
80
Audi lane assist . . . . . . . . . . . . . . . . 151
83 Lane assist . . . . . . . . . . . . . . . . . . . . 151
86
A udi side assist . . . . . . . . . . . . . . . . 15 4
86
87
91
93
9 4
96
97
100
103
105
106
107
108
109
1 14
11 4
123
125
126
128
128
129
130 Lane Change Assistant ........
. .
No tes ........ ...... ........ .. .
Automatic transmission ...... . .
tiptron ic® (6-speed automatic
transm ission) ................. .
Advanced Parking System .... .
Advanced Parking System with rear
v iew camera .................. .
Specia l parking situations ...... .
Towing hitch .. ....... ......... .
Settings in the MM I ..... ...... . .
Safety t ips .............. ...... .
Adaptive A ir Suspension ...... .
Adaptive Air Suspension and
Damping ..... .. .............. .
Homelink® ................... . .
Universa l remo te control ....... . 154
161
163
163
170
170
178
180
180
183
185
185
191
191

Instruments and controls
General illustration
G) Power window switches ........................ .
@ Door handle
G) Power locking switches ..... .. .... .... .... ...... .
© Adjuster contro l for ou tside mirrors ...... .... .... .
© Light switch .. ...... .... ... .... .... .... ..... .. .
© Contro l lever for:
- Cruise control .... .... ...... ....... ...... ... .
- Adaptive C ru ise Contro l .... .... .... .... .... .. .
0 Air outlets ... .. .... .... .... .... ... .... .... .... .
@ Contro l lever for:
- Turn signal and high beam ....... ... .. .... ... .
- La ne assist .. ...... ... .... .... .... ... .... ... .
© Multi function steering wheel with :
- Horn
- Driver's a irbag .. ...... ... .... .... .... .... ... .
- Shift buttons ............................... .
Button for steer ing whee l heating ........ ... .. .
@ Instrument c luster .. ... .... .... ....... .... .... . .
@ Switches for
- Windshield wiper/washer ............... ...... .
- Trip computer .... ....... .... .... .... .... ... .
@ Steering lock/ignit ion/starter switch
@ Buttons for:
- Advanced Parking System .. .... .... .... .... .. .
- Side assist ................................. .
- Po wer sunshade
@ MM I Disp lay
Controls and equip­
ment
62
53
84
69
137
139
122
73
15 1
222
168
119 12
80 38
129
170
154
78
Ins trum ents and controls
@ Buttons/Indicator l ight for :
- Electronic Stabilization Program (ESP) 268
- PASSE NGER AIR BAG OFF
- Emergency flashers . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
@ Storage tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110
@ Glove compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
@ Front passe nger's airbag . . . . . . . . . . . . . . . . . . . . . . . . 222
@ Shift lever for automatic transmission . . . . . . . . . . . . . 163
@ Climate controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116
@ Rear window defogger switch . . . . . . . . . . . . . . . . . . . . 124
@ Ashtray with cigarette lighter . . . . . . . . . . . . . . . . . . . . . 106
@ ISTAR T~~ STOP ~butto n . . . . . . . . . . . . . . . . . . . . . . . . . 131
@ MMI Terminal
@ Storage with cup holder . . . . . . . . . . . . . . . . . . . . . . . . . 105
@ Electromechanical parking brake . . . . . . . . . . . . . . . . . . 134
@ Data Link Connector for On Board Diagnostics (OBD Ill 27
@ Engine hood release . . . . . . . . . . . . . . . . . . . . . . . . . . . . 306
@ Adjustable s teering co lumn . . . . . . . . . . . . . . . . . . . . . . 128
@ Me mory buttons (driver's seat) . . . . . . . . . . . . . . . . . . . 94
@ Switch for
- unlocking the fuel fil ler door
- unlocking t he tr unk l id
[ i ] Tips
303
55
Operation of the Mu lt i M edia In terface (MMI) is described in a sepa ­
rate manual. •

tl~ Airbag system
--
/: Lane assist (system is ready)
Lane assist (system is not ready)
¢ Left turn signal
--D High beam
}D Fog lights
Rear fog lights
Tire pressure monitoring sys tem
Malfunction Indicator Lamp (MIU
Safety belt
Adaptive Air Suspension
<+:) Adaptive Air Suspension Right turn signal
--
CRUISE
--
USA models:
Cruise control activated
Canada models:
Cruise control activated
USA models:
Anti-lock brake system (ABS) defec­
tive
Controls and equip­ ment
=> page 19
-
=> page 19
=> page 19
=> page 79
-=> page 19
=> page 79
=> page 19
=> page 20
=> page 20
=> page 20
=> page20
=> page 21
=> page 79
-
=> page 27
=> page 27
-
=> page 21
Instruments and warning/indicator lights
PARK BRAKE
(®)
----
Canada models:
Anti-lock brake system (ABS) defec­
tive
USA models :
Electromechanical parking brake
Canada models: Electromechanical parking brake
-
BRAKE
USA models:
Brake malfunct ion
--((D) Canada models:
Brake malfunction
=> page 27
=> page 22
=> page 22
-
=> page 22
-
=> page22
V ehicl es wi th th e Adaptive Cruis e Control * have the follow ing addi ­
tional check lamps:
Open road
~ 1111 ~ Driving in traffic
~ 1111 ~ Request for driver to
assume control
& WARNING
=> page 145
=> page 145
=> page 145
• Failure to heed warning lights and other important vehicle
information may result in serious personal injury or vehicle
damage.
• Whenever stalled or stopped for repair, move the vehicle a safe
distance off the road, stop the engine, and turn on the emergency
flasher
=> page 73.
• The engine compartment of any motor vehicle is a potentially
hazardous area. Before you check anything in the engine compart-
ment, stop the engine and let it cool down. Always exercise
~

Adaptive Air Suspension c.::i
The c.::i symbol illuminates for a few seconds after you have
switched on the ignition to indicate
redu ced ground clea ranc e when
the dynamic mode is activated and when the ignition is switched on
with a vehicle which was parked in dynamic
mode ~ page 186,
"Chassis Controls" . On vehicles which are equipped with the s port
s u spen sio n
Adapt ive Air Suspension -Spor t*, the check light does
not come on in this instance since ground clearance is general ly
reduced.
This warning/indicator light has the following functions:
• It illuminates for a few seconds after the ignition is turned on as
function check and then goes out .
• If the warning/indicator light flashes in conjunction with the
<::'.p
warning/ indicator l ight, you should not drive the veh icle immedi­
ate ly in order to prevent damage to the underbody . The two
warning/indicator lights flash ing toget her po ints to an extreme Low
level. A very
pronounced lowering of the vehicle (extreme Low level)
can resu lt, for example, from a heavy load. As soon as t he level has
returned to normal, the warning/ind icator lights stop flashing, and
you can drive away .
0 Note
If the warning/indicator light flashes in conjunction with the~
warning/ indicator l ight, you should not drive the veh icle because
low -lying vehicle parts can bottom out as you drive over uneven
ground and be damaged as a resu lt .•
Cruise control
CRUISE (USA models) / pJ' (Canada models)
The warning/indicator light i lluminates when the cruise control is
activated. •
Controls and equip­
ment
Instrum ents and w arnin g/indi cator li ght s
Anti-lock brake system (ABS)
ABS (USA models)
/0 (Canada models)
T his warning/indicator light monit ors the ABS and the
electronic differential lock (EDL).
The warning/indicator light wi ll come on for a few seconds when the
ignition is switched on. The light will go out after an automatic
check sequence is comp leted .
The re is a malf un cti on in the ABS wh en:
• The warn ing/ indicator l ight does not i lluminate w hen you switch
on the ignition .
• The warn ing/indicator light does not go out after a few seco nds.
• The warning/indicator light illuminates while driving.
The ESP indicator light also illuminates if there is a ma lfunction in
the ABS. The message
E S P / AB S fau lt ! See ow ner 's manu al also
appears in the inst rument c luster display and a wa rn ing tone
sounds.
The br ake system will still r espond even without the assis ta nce of
the ABS s ystem. See your authori zed Audi dealer a s soon a s
pos sib le t o re stor e full br aking perf orm an ce.
For more information
regard ing the
ABS ~ page 272 .
The ABS warning l ight and the br ake w arning light come on
to geth er. The AB S will not work and you will notic e a ch ange in
br ak ing re spon se and p erf orm ance .
Mal function in the brak e system
If the brake warning light~ page 22 and the ABS warning i lluminate
together t h ere may be a malfunct ion in t he ABS, and t here may a lso
be a malfunction in the brake system
itself~ .&..
In the event of a malfun ctio n i n th e bra ke syst em the warning/indi ­
cator light
BRAKE (USA mode ls)/ (Ci)) (Canada models) in the instru ment
c luster flashes. By pressing the
I CHECK] button, you can bring up a
driver message wh ich expla ins the ma lfunc tion in more detail.
Please note
~ page 30 . .,_

Memories
The trip computer is equipped with two fully automatic
memories.
Fig . 22 Trip computer
display: memory level 1
You can switch between the trip computer 1 and 2 by pressing the
Reset button
@ =>fig. 23.
You can tell which memory level is currently active by the number in
the
display => fig. 22. The data from the single -trip memory
(memory level 1) is being displayed if a
1 appears. If a 2 is shown,
then the data from the total -trip memory is being displayed
(memory level 2).
Single-trip memory (Trip computer 1)
The single-trip memory stores the trip information from the time the
ignition is turned on until it is turned off. If the trip is continued
within 2 hours from the time the ignition was turned off, the new
data will be included in the calculation of the current trip informa ­
tion. If the trip is interrupted for
more than 2 hours the memory is
reset automatically .
Total-trip memory (Trip computer 2)
Unlike the single-trip memory, the total -trip memory is not reset
automatically . This permits you to evaluate your driving data for the
entire period between manual resets .•
Contro ls a nd eq uip­
ment
Driver information display
Operation
The trip computer is controlled by two switches on the
windshield wiper lever.
Fig. 23 Windshield
wiper lever : controls
for the trip computer
Push the function selector switch up or down @
~ fig. 23. This will cause the five distinct trip computer
functions to be displayed one after another.
The trip computer only operates when the ignition is on. When you
turn on the ignition, the function that was in use when you last
turned the ignition off will be displayed.
In addition to the trip computer information (memory level 1 or 2) ,
navigation information and Adaptive Cruise Control * information
can be displayed . To switch the display between the different
systems, tap the Reset button
@ briefly.
Setting values to zero
To delete one current value from the trip computer, select the
desired function and press the Reset button @ for at least one
second. The following values can be set to zero
individually using
the Reset button:
• elapsed time
• average fuel mileage
• average speed
Vehicle care I I Technical data

Opening and clo sing
Master key vvith remote control
The remote control allows y ou to l ock or unlock the
vehicle electronically.
F ig . 31 Fo ld -u p m aster
key wit h re mote
c ontr ol
-To fold the key out and back i n place, press the release
button
::::, fig. 3 1.
The transmitter and battery are located in the head of the remote
control. The r eceiver is locat ed ins ide th e vehicle . Th e maximum
ef fective range depends on several th ings. Remember, if the battery
is weak, the effective range decreases.
If you need to replace the remote contro l, or if you need to have it
repaired, you must see your authorized Audi dealer. On ly then can
you use the key again .
P erson aliz ing the ma ste r ke y
When the ignition is turned off or when the vehicle is locked, various convenience set tings are stored automatical ly and assigned to the
key that was used . The settings assigned to the key are automati ­
cally recalled with you unloc k the vehicle or when you open a door
or when you switch on the igni tion .
• Climate contro l
• Ce ntral locking
• Windows and rear window sun blind •
Background lighting *
• Seat memory
• Adaptive Cruise Contro l*
• Audi lane and side assist *
• Advanced Parking Syste m*
The
Remo te co ntrol ke y function must be activated in MMI
~ page 95, so that the settings fo r the driver's seat (including the
settings for the head restraint, steering column , safety be lt height
and exterior mirrors) are saved on the master key through the seat
memory when the vehicle is locked, and are set automatically when
the vehic le is unlock ed.
[ i ] Tip s
• If the ignition is switched on, the remote control system is deac ­
tivated .
• The remote control system can be affected by other systems
opera ting in the same frequency range close to the vehicle, such as
mobile tel ephones, television broadcasting stations, etc. •
Battery replacement, master key
g N
-. w 1l.
Fig . 3 2 Che ck light in
th e m as ter key
Battery operation in the master key is monitored by a check light .
The check light flashes when one o f the buttons on the master key
~

_________________________________________________ O_ n_ t_h _e _ ro_ a_d _ ___._
0 Note
If the warning/indicator light (U.S. models : BRAKE, Canadian models:
) flashes in the instrument cluster, there is a brake system
malfunction. By pressing the
I CHECK] button , you can bring up a
driv er m essage 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 r epaired imme­
diately by an authorized
dealership => page 30. •
Cruise control
Switching the system on
The cruise control system makes it possible to drive at a
constant speed starting at 20 mph (30 km/h).
rr- -- ...--,,-~------ -~ ----,-~
Contro ls a nd eq uip­
ment
.... S? w ;f,
Fig . 149 Control lever
with set button Fig
. 150 Display:
Selected speed
Pull the lever © to position G) ~ fig. 149 to switch the
system on.
Drive at the speed you wish to set.
- Press button
® to set that speed.
The display => fig. 150 will show the set speed . The display may vary
depending on the type of display in your vehicle. The indicator light
CRUISE (US model)/ 0 (Canadian model) will also ligh t up in the
instrument cluster .
The speed is kept constant via an engine output adjustment or active brake intervention .
& WARNING
• Always pay attention to traffic even when the cruise control is
switched on. You are always responsible for your speed and the
distance between your vehicle and other vehicles.
• For safety reasons, the cruise control should not be used in the
city, in stop-and-go traffic, on twisting roads and when road condi­
tions are poor (such as ice, fog, gravel, heavy rain and hydro­
planing) -risk of accident.
• Turn off the cruise control temporarily when entering turn
lanes, highway exit lanes or in construction zones.
Vehicle care
I I irechnical data

___ o_ n_ t_
h _e _ ro_ a_d __________________________________________________ _
&, WARNING (continued)
• Please note that inadvertently "resting" your foot on the accel­
erator pedal causes the cruise control not to brake . This is because
the cruise control is overridden by the driver's acceleration.
[ i] Tips
The brake lights illumin ate as soon as the brakes decelerate
automatically. •
Changing speed
-Press lever@in the 0 or Q direction=> page 137,
fig. 149 to increase or decrease your speed.
-Release the lever to save that speed.
Change speed in increments of 1 mph (1 km/h) by lightly pressing
the lever . If you keep the lever pressed down, you will alter your
speed in 5 mph (10 km/h) increments.
You can also press the accelerator pedal down to increase your
speed, e.g. if you want to pass someone. The speed you saved
earlier will resume as soon as you release the accelerator pedal.
If, however, you exceed your saved speed by 5 mph (10 km/h) for
longer than 5 minutes, the cruise control will turn off temporarily.
The green symbol in the
display=> page 137, fig . 150 is replaced
with a white symbol. The saved speed remains the same. •
Presetting your speed
You can preset your desired speed while the vehicle is not
moving.
-Turn on the ignition .
-Pull lever@ into position G) => page 137, fig. 149 .
-Press the lever in the 0 or Q direction to increase or
decrease your speed.
-Release the lever to save that speed.
This function makes it possible, for example, to save the speed you
want before driving on the highway. Once on the highway, activate
the cruise contro l by pulling the lever toward
G). •
Switching the system off
Temporary deactivation
-Press the brake pedal, or
-Press the lever @into position ® (not clicked into place)
=> page 137, fig. 149, or
-Drive for longer than 5 minutes at more than 5 mph
(10 km/h) above the stored speed.
Switching off completely
-Press lever@ into position ® (clicked into place), or
-Switch the ignition off.
The system retains the saved speed if you deactivate the cruise
control temporarily . To resume the saved speed , release the brake
pedal and pull the lever to position
G) .
Switching the ignition off erases the saved speed.
& WARNING
You should only return to the saved speed if it is not too fast for
the current traffic conditions -risk of an accident!
•

____________________________________________ ..:.A..:.= d:.:a:.! p::. t
.:.: i:..: v :..: e::......: C::.:..: ru=.:.: is::.:e::.....: C::.::: o:..:.n.:..: t:.: r..: o :.: l:...__J9I
Adaptive Cruise Control
Speed and distance control system
Applies to vehicles : with Adaptive C ruise Cont rol
Description
The Adaptive Cruise Control driver assistance program is
a combined speed and distance control system .
Fig. 151 Front
bumper: Position of
radar sensor
Any speed between about 20 mph (30 km/h) and about 95 mph (150
km/h) can be set and held with the Adaptive Cruise Control. The
system also helps keep a distance you previously selected to vehi ­
cles ahead of you.
Adaptive Cruise Control can help reduce driving stress and fatigue
by maintaining a preset speed with automatic braking and acce ler ­
ation. Driving can be more relaxed, particularly on long trips on
interstates or on other highways that are genera lly straight.
How does it work?
A lever on the steering wheel column operates the Adaptive Cruise
Control)=> page 141, "How is the speed stored?" and=> page 143,
"How is distance set?".
Contro ls a nd eq uip­
ment
Driver information
Important information is brought up in the speedometer and in the
instrument cluster display as the vehicle is being driven
=> page 144, "Driver information".
What is important for you to know
There are limits to what Adaptive Cruise Control can do as the
vehicle is being
driven => page 149, "Special driving situations" .
LJ}. WARNING
Improper use of the Adaptive Cruise Control can cause collisions,
other accidents and serious personal injury.
• Never drive at speeds that are too high for traffic, road and
weather conditions.
• Never follow the vehicle in front so closely that you cannot stop
your vehicle safely. The Adaptive Cruise Control cannot brake the
vehicle safely when you follow another vehicle too closely. Always
remember that the Adaptive Cruise Control has a braking power
that is only about 25% of the vehicle's maximum braking ability,
the automatic braking function cannot bring the vehicle to a stop.
• Never use Adaptive Cruise Control on roads where you cannot
drive safely at a steady speed, including city or stop-and -go or
heavy traffic, on winding roads or when road conditions are poor
(for example , on ice, gravel , in fog , heavy rain or on wet roads that
increase the risk of hydroplaning).
• Always turn off Adaptive Cruise Control when entering turn
lanes , highway exit lanes and construction zones or similar situa­
tions because the vehicle will automatically accelerate to the
stored speed
• Never rest your foot on the accelerator pedal, especially when
the Adaptive Cruise Control is being used because doing so will
override the braking function and prevent the brakes from being _.,
Vehicle care I I irechnical data

___ A_ d_a_ p_ ti_v _ e_ C_ ru_ is_ e_ C_ o_n_ t_ r_ o _ l ___________________________________________ _
&, WARNING (continued )
appl ied b y the s ystem when it det ects a situation when the brakes
mu st be applied.
• Alway s remember th at Ad aptive Cru ise Control has limits - it
doe s not rea ct when you dri ve toward s an ob stac le or something
e lse on or near the road th at is not mov ing , such as ve hic le s
s topped in a traffic jam , a sta lled or di sabled vehicle.
• Alway s remember th at the Ad aptive Cru ise Control cannot
detect a vehicle that i s driving to wards you in your tr affi c la ne and
that it cannot det ect narrow veh icles su ch a s motor cycles and
bicycle s.
[ i] Tips
• For sa fety reasons, the stored speed is deleted when the ign it ion
is turned off .
• When Adaptive Cru ise Control is switched on, the Electronic
Stabilization Program (ESP) is also automatically activated.
• Damage caused by accidents (e.g . if the vehic le is damaged
when parking) can affect the radar sensor settings. This can cause
the system to malfunct ion or switch off completely.
• In winter conditions, you should check the radar sensor cover
before driving to make sure it is free of ice and snow. If necessary ,
clean the area near the radar sensor
carefully => page 139, fig. 151.
• To ensure that the radar sensor is not blocked, foreign objects
(e.g. stickers, larger license plate mounts, add -on parts) must not
cover the area near the radar
sensor=> page 139, fig . 151. The area
near the radar sensor must not be painted, either .•
Ap plies to vehicles: with Ad aptive Crui se Co nt rol
How does Adaptive Cruise Control work?
Vehicles traveling ahead are detected with the aid of the
radar sensor.
Fi g. 152 Ra dar sens or
me asuremen t range
A forward -look ing radar sens or in the fro nt b umper monitors the
traffic situation ahead . Vehicles moving in your direction can be
de tec ted up to a distance of a bout 140 yards ( 130 meters) but the
Adaptive Cruise Contro l cannot detect vehicles that are stopped or
stal led, obstac les that do not move or narrow vehic les like motorcy ­
cles and
bicycles.=> fig. 152 .
Open road
When the road is clear, Adaptive Cruise Contro l works like cruise
co ntrol. The stored speed requested is main tained .
Driving in tr affi c
If you start to catch up with a vehic le in front of you, Adap tive Cruise
Control automatically slows your vehic le to a speed that will he lp
you stay a safe distance back .
If the vehicle in front acce lerates, Adaptive Cruise Control a lso accel -
erates up to the speed that you have set . .,_