ignition AUDI S6 2009 Repair Manual

-On the road --------------------
[
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. •
Parking
To prevent a parked vehicle from rolling away, there are a
few things you should do.
When you park your vehicle, do the following
- Stop the vehicle using the brake pedal.
- Pull the switch to apply the electromechanical parking
brake.
- Move the selector lever into the
P position ~& .
- Switch off the engine and remove the ignition key from
the ignition lock.
When you park your vehicle on hills, do the
following - Stop the vehicle using the brake pedal.
- Pull the switch to apply the electromechanical parking
brake.
- If you are parking headed downhill, turn the front wheels
toward the curb. - If you are
parking headed uphill, turn the front wheels
awayfrom the curb.
- Move the selector lever into the P position .
- Switch off the engine and remove the ignition key from
the ignition lock.
& WARNING
This is how you can reduce the risk of injury when leaving your
vehicle.
• Never park the vehicle where it can come in contact with dry
grass, spilled fuel or any other flammable materials.
• When parking on hills, always turn the wheels so that the front
wheels will first roll into the curb, if the vehicle should start to roll.
• Never allow anyone -especially small children -to remain in the
vehicle when it is locked. Locked doors make it more difficult for
rescuers to access the passenger compartment in the event of an
emergency. Danger to life!
• Never leave children unsupervised in the vehicle. Children
could release the parking brake or move the gearshift lever out of
gear. The vehicle could start to roll away and cause an accident.
• No matter what the season is, the temperature in a parked
vehicle can reach dangerous levels.
0 Note
• Please exercise care when you park your vehicle in parking areas
with parking barriers or curbs. Parking barriers and curbs vary in height and could damage your bumper and related components as
the front of your vehicle moves over a barrier or curb that is too
high, as you park or as you back out of a parking spot. In order to be
sure that no such damage can occur, you may wish to stop short of
having the front tires of your car touch the parking barrier or curb . ..,_

On the road -
----------------
The display=> page 124, fig. 122 will show the set speed . The
display may vary depending on the type of disp lay in your vehicle .
The ind icator light
CRU ISE (US model) I (')0 (Canadian mode l) wi ll also
light up in the instrument cluster.
The speed is kept constant via an engine output adjust ment or
active brake intervention .
_& WARNING
• Always pay attent ion to traffic even when the crui se control is
s w it ched on. You are alw ays r esp onsi ble for your speed and the
di sta nce b etween your vehi cle and other vehi cle s.
• For s afet y reason s, the crui se control should not be u sed in the
c ity , in stop- and-go traffic , on twi sting roads and when road condi ­
t ion s a re p oor (s uch a s ice , fo g, gra vel , he avy ra in and h ydro ­
planing ) - risk of accident.
• Turn off the crui se control tempor arily when e nte ring tu rn
lan es, highway exit lanes or in constru ction zone s.
• Plea se note that in adv ertentl y "re sting " yo ur foot on the accel­
erator ped al cau se s the cruise control not to brake . Thi s is b ecau se
the crui se control i s overridden b y the dri ve r's acc eleration .
[ i] Tips
The brake lights il luminate as soon as the brakes decelerate
automatically .•
Ap plie s to v ehicl es: w it h c ruise contro l
Changing speed
-Press lever in the 0 o r Q dir ection => page 124, fig. 121
to increase or decrease you r sp eed.
- Release the lever to s ave that speed.
Controls and equip ­
ment Change speed in increments of 1 mph (1 km/h) by
lightly pressing
the lever . If you keep the lever pressed down, you will a lter your
speed in 5 mph (10 km /h) increments .
You can a lso press the acce lerator 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 symbol wi ll go ou t bu t the saved speed wi ll be retained. •
Applie s to v ehic le s: with c ru ise cont ro l
Presetting your speed
You can prese t your desire d speed while the vehicle is not
moving.
- Turn o n the ignition .
Pu ll lever into pos ition
G) => page 124, fig. 12 1.
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 pu lli ng the lever toward
G) . •
Ap plies to ve hic les: with c ruise contro l
Switching the system off
Temporary dea ctivation
- Press the brake pedal, or
I • •

• .___O_ n_ t_h _e _ r_o _a_ d __________________________________________________ _
-Press the lever into position 0 (not clicked into place)
=> page 124, fig. 121, 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 0 (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_iv _ e_ C_ r_u _is _ e_C_ o_ n_ t_ r_ o_ l --------------------------------------------
& WARNING (continued)
• 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 the risk of a rear -end crash.
• Never rest your foot on the accelerator pedal, especially when
the Adaptive Cruise Control is being used. Pressure on the acceler ­
ator will override the ACC braking function and prevent the brakes
from being applied when ACC detects a situation when the brakes must be applied .
• Never use Adaptive Cruise Control when you cannot drive
safely at a steady speed, including on city streets, 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).
• The radar sensor's
vision can be reduced by rain, snow and
heavy road spray. These and similar conditions can prevent vehi ­
cles up ahead from being accurately detected and in some cases
they may not be detected at all. Do not use ACC when the radar sensors cannot accurately detect vehicles moving ahead of you in
traffic.
• Always turn off Adaptive Cruise Control when entering turn
lanes, exit lanes and construction zones or in similar situations
because the vehicle will automatically accelerate to the stored
speed when the road ahead is clear.
• To prevent unintended operation, always switch ACC off when
it is not being used.
[ i) Tips
• For safety reasons, the stored speed is deleted when the ignition
is turned off .
• The Electronic Stabilization Program (ESP) and the Anti-Slip
Regulation (ASR) cannot be deactivated when the Adaptive Cruise
Control is switched on. If the ESP and the Anti-Slip Regulation (ASRI has been deactivated and you then switch on the
Adaptive Cruise
Control, the ESP function will also be activated automatically.
• Damage caused by accidents and some minor collisions can
affect the radar sensor settings and cause the system to malfunc­
tion or switch off completely.
• The radar sensor cover is heated. In winter conditions, you
should still check before driving to make sure it is free of ice and
snow. If necessary, clean the area near the radar sensor carefully
=>
page 127, fig. 123.
• 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 127, fig. 123. The area
near the radar sensor must not be painted, either.
• For Declaration of Compliance to United States FCC and Industry
Canada regulations =>
page 375. •
Applies 10 veh ic les: w ith Ada ptive Crui se Contro l
How does Adaptive Cruise Control work?
Vehicles traveling ahead are detected with the aid of a
radar sensor.
Fig. 124 Basic prin­
ciple diagram : Radar
sensor measurement
range
Adaptive Cruise Control uses a radar sensor in the front of the
vehicle=> fig. 124. Th e system has limitations=>
page 140. Things
that are not moving in your lane and in your direction of travel will
~

....... __ A_u_ t_o _m_ a_ t_ ic_ t_ r_a _ n_ s_m _ i_s _s _i_o _n ________________________________________________ _
The selector lever must be in Nor P. If one of the driving positions
is engaged a safety switch will prevent the engine from being
started. See also
=:> page 117.
Before you move the selector lever from the
P position, you must
always apply the brake pedal before and while depressing the
button in the handle of the selector lever .
& WARNING
• Unintended vehicle movement can cause serious injury .
- When the selector lever is in a driving position, the vehicle
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 selector 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 posi­
tion .
• 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 posi­
tion engaged when checking under the hood. Make sure the
selector lever has securely engaged and is locked in "P" with the
& WARNING (continued)
parking brake firmly set=> page 293, "Engine compartment".
Otherwise, any increase in engine speed may set the vehicle in
motion, even with the parking brake applied. •
App lies to vehicles: with 6-speed automatic t ransmission
Selector lever positions
This section describes the selector lever positions and
driving ranges.
Fig . 158 Display in the
instrument cluster:
selector lever in posi­
tion D
The selector lever position engaged appears next to the selector
lever as well as in the instrument cluster display .
P -Park
In this selector lever position the transmission is mechanically
locked. Engage
P only when the vehicle is completely stopped=> &
in "Driving the automatic transmission" on page 155.
To shift in or out of position
P, you must first press and hold the
brake pedal and then press the release button in the selector lever
handle while moving the selector lever to or from
P. You can shift
out of this position only with the ignition on.
~

_______________________________________________ A_ u_t _o _m_ a_ t_ i_ c _ t_r _ a _n _s_ m_ i_ s _ s_ i_ o _ n _ ___._
R -Reverse
The transmission will automatically select the lowest gear ratio
when you shift into reverse .
Select
R only when the vehicle is at a full stop and the engine is
running at idle speed=>
& in "Driving the automatic transmission"
on
page 155 .
Before you move the selector lever to R, press both the button in the
handle of the selector leve r
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 157.
When the vehicle is stationary or at speeds below 3 mph (5 km/h),
you must always apply the footbrake befor e and while moving the
lever out of
N.
D -Normal position for driving forward
Position Dis for normal city and highway driving. It ranges from zero
to top speed and all gears shift automatically , depending on engine
load , driving speed and automatically selected shift programs.
When the vehicle is stationary or at speeds below 3 mph (5 km/h),
you must always apply the foot brake before and while moving the
lever to
D out of N.
In certain circumstances it may be advantageous to temporarily
switch to the manual shift program to manually select gear ratios to
match specific driving conditions=>
page 159.
S -Sport position
Select this position for sportier 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 live­
lier acceleration.
Con tro ls and eq uip­
ment
When the vehicle is stationary or at speeds below 3 mph (5 km/h),
you must always apply the foot brake before and while moving the
lever to
S out of N.
& WARNING
Read and follow all WARNINGS => & in "Driving the automatic
transmission" on
page 155.
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. •
Applies to vehi cle s: with 6 -speed automati c tra nsm is si on
Automatic Shift Lock (ASL)
The Automatic Shift Lock safeguards you against acciden ­
tally shifting into a forward or the reverse gear and
causing the vehicle to move unintentionally.
Fig. 159 Shift gate:
selector lever lock
positions and interlock
button highlighted
The selector lever lock is released as follows:
- Turn the ignition on.
Vehicle care I I irechnical data

_L-_:..A.:.u:::..: t.:o :..m.:..:.; a:::..: t:.. ic:....: t:.:. r..:a :.. n...:..:: s.:.m _;_:.:, i..::s ..:s :.:.i..:o :..n_;_ _______________________________________________ _
-Step on the brake peda l. At the same time press and hold
the interl ock butto n on t he side of the gear selector kn ob
:::::, fig . 159 with you r thumb until you have moved the
se lector lever to the desired pos ition.
Automatic selec tor lever lo ck
The selector lever is locked in the P and N positions when the igni ­
tion is turned on. To move the leve r from these positions the driver
must depress the brake peda l. As a reminder to the dr iver , the
following warn ing app ears in the instrument c luster display when
t h e selector is in
P and N :
When station ary apply fo otbr ake while sele cting ge ar
A time de lay e lement prevents the se lector lever from lock ing when
it is moved through the
N position (going from R to Dl. The locking
e lement will lock the selector lever if the l eve r is l eft in N (Neutral)
for more than approximately 1 second , without the brake pedal
being pressed.
At speeds above ab out 3 mph (5 km/h) the Automatic Shift Lock is
automatically deac tivated in the
N position .
Interlo ck button
The lock bu tton on the s elector lever prev ents the lever from being
accidentally shifted into certain positions . Press ing this bu tton
deac tivates the selec tor lever lock . Depending on the dir ection of
t he shift, the se lector lever locks at diffe rent positions . The positions
are highlighted in the illustration~
page 157, fig. 159 .
Ignition key safet y interlock
The k ey cannot be remov ed from the igni tion un less the selector
lever is in the
P park p osition. When the ign ition key is removed, the
selector lever wil l be locked in the
P position. •
Applies to vehicles: w it h 6 -spee d au tomat ic tra nsm ission
Kick-down
The kick-down feature allows the vehicle to generate
maximum acceler ation.
When you press the accelerator pedal beyond the resistance po int
that is reached at fu ll thrott le, the transmission will se lect a lower
gear rat io based on vehicle speed and engine RPM . The engine RPM
wi ll be contro lled to produce max imum vehicle acceleration as long
as you continue to press the accelerator pedal beyond this resis­
tance point .
& WARNING
Be careful when u sing the kick-down feature on slippery road s.
Rapid ac celerat ion may cause the veh icle to skid. •
Applies to veh icles : wit h 6-s p ee d au to m ati c tra nsmiss ion
Dynamic shift program (DSP)
The aut om atic tr a nsmission is electronically controlled.
T he transmission is self adapting and wi ll automati cally se lect the
b est shift program suited to the driving condi tions and drivi ng s tyle.
The transmission wil l se lect one of the
e conom y programs when
you drive at a steady speed or a gradually changing speed withou t
heavy acceleration . This achieves optimum fuel efficiency, with early
upshifting and delayed downshifting.
The trans mission wil l au tomat ical ly select the
sporty shift programs
when you drive at higher speeds, or with heavy acce leration and
frequently changing speeds . Upshifts ar e delayed to make full use
of engine power . Down shifting takes place at higher engine speeds
t han in the economy programs . _.,

_________________________________________________ A_ u_t_ o_ m_ a_t _i _ c _ t _ra_ n_s_ m __ is_ s_ io_ n _ __._
Ap plies to vehicle s: with 6-speed auto m ati c transmi ssio n
Emergency release for selector lever
If the vehicle's power supply fails, the selector lever can
be released in an emergency.
Fig . 163 Remove the
as htray i nsert
Fig . 164 Eme rge ncy
r elease fo r se lecto r
l ever
The emergency release is located under the insert for the
ashtray.
- Slide open the cover for the ashtray .
- Grasp the ashtray insert~
page 161, fig. 163 by the
recesses on both sides and pull it upward and out.
- Now you can see a sma ll cover in th e as htray holder.
- Release and remove this cover from the ashtray holder.
Contro ls and eq uip­
ment
Using a screwdriver or a similar tool, press down on the
screw in the m iddle of the ashtray holder, which is now
accessib le, and hold it down
~ fig. 164 .
Now press the interlock and move the selector lever to
the
N position.
The selector lever can only be moved from the P position if the igni­
tion key is in the lock and the ignition is turned on. If the vehicle has
to be pushed or towed if the power supply fails (e.g. battery is
discharged), the selector lever must be moved to the N position
using the emergency locking device .•
multitronic ®
Applies to v ehicl es: wi th mul titroni c® Con tinuou sly Variab le Transm issi on (C VTl
General information
Your vehicle is equipped with a electronically controlled continu­
ously variable transmission (multitronic®l. Inside the multitronic ®
system, the gear ratios are not shi fted in finite steps as in a conven ­
tional automatic transmission, but rather
contin uously. As a result,
engine power is applied smoothly and comfortably, and better fuel
economy is achieved.
The transmission selects the appropriate gear ratio (upshifts and
downshifts) automatically based on set driving programs
=> page 165, "Dynamic shift program (DSP)".
You can also manually select a shift program (tiptronic®)
=> page 166.
You should note, that the multitronic transmission differs from a
conventiona l Automatic Transmission . In the multitronic transmis­
sion the engine power is transferred via a link -plate chain, rather
than by a conventional torque converter. The multitronic transmis­
sion greatly reduces vehicle "creep" when at a standstill and the
transmission is in
D Sor R. •
Vehicle care I I Technical data

• ..__A_ u_ t _o_ m_ a_ t_ i_ c _ t_r _a _n_ s_ m_ is_ s_i o _ n ________________________________________________ _
Before you move the selector lever to R, press both, the button in the
handle 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 -N eutr al
Sh ift to this position for standing with brakes applied=> page 164.
When the vehicle is stationary or at speeds below 3 mph (5 km/h),
you must always apply the footbrake before and while moving the
lever out of
N .
Do not use N for coasting downhill.
D -Normal dr iving po sition f or forward
Depending on the load on the engine, vehicle speed and the
dynamic control program, the transm ission will select the
optimal
gear ratio.
In certain circumstances it may be advantageous to temporarily
switch to the manua l shift program to manually select gear ratios to
match specific driving conditions=>
page 166.
When the vehicle is s tationary or at speeds below 3 mph (5 km/h),
you must always apply the footbrake before and while moving the
lever to
D ou t of N.
S -Spor t p osition
Select this position for sportier performance. In this position, the
transmission wil l not upshift as soon, allowing the vehicle to use the
increased power avai lable at higher engine speeds to achieve live ­
lier acceleration.
When the vehicle is stationary or at speeds below 3 mph (5 km/h),
you must always apply the foot brake before and whi le moving the
lever to
S out of N .
& WARNING
Re ad a nd follo w all WARNIN GS=> & in "Dr iv ing th e multitr oni c®"
on
page 16 2.
0 Note
Coasting downhill with the transm ission in N and the engine not
operating will result in damage to the automatic transmission and
possibly the catalytic converter. •
Applies to vehicles: with multitronic® Continuous ly Variable Transmission (CVT)
Automatic Shift Lock (ASL)
The Automatic Shift Lock safeguards you against acciden­
tally shifting in to a forward or the reverse gear and
causing the vehicle to move unintentionally.
F ig . 167 S hift gate:
se lect or l ever loc k
pos it ions a nd int erl ock
butt on high lighted
The selector lever l ock is rel eased as f ollows :
T u rn the ignition on .
Step on the brake peda l.
At the same time press and hold
the interlock button on the side of the gear selector knob
=> fig. 167 with your thumb until you have moved the
selector lever to t he desired position.
~

_______________________________________________ A_ u_t _o _ m_ a_ t _i_ c_ t_r _a _n _ s_ m __ is_s_ i _o _ n __ llll
Autom ati c selec to r l eve r lock
The se lector lever is locked in the P and N positions when the igni ­
tion is turned on . To move the lever from these positions the driver
must depress the brake pedal. As a reminder to the driver, the
follow ing warning appears in the instrument cluster disp lay when
the selector is in
P and N :
When stationary app ly footbrake while selecting gear
A time delay e lement preven ts the selector lever from locking when
it is moved through the
N position (going from R to Dl. The locking
e lement will lock the selector lever if the lever is left in N (Neutral)
for mor e than approximately 1 second, without the brake peda l
being pressed .
At sp eeds above about 3 mph (5 km/h) the Automatic Shift Lock is
automatically deactivated in the
N posi tion .
Interl ock button
The lock button on the selector lever prevents the lever from being
accid entally sh ift ed into certain pos it ions. Pressing th is button
deactivates the selector leve r lock . Dependi ng on the direction of
the shift, the se le ctor lev er locks a t different positions . Th e positions
are highligh ted in the illus trati on =>
page 164 , fig. 167 .
Igniti on k ey saf ety in te rlo ck
The key canno t be removed from the ignition un less the selector
lever is in th e
P park position . When th e ignition k ey is remov ed, the
selector lever wil l be l ocked in the
P posi tion .•
A pplies to veh ic les : wit h mu ltit ro nic® Cont inuous ly Va riab le Transm iss io n (CVT )
Kick-down
The kick- down feature allo ws the ve hic le to generate
maximum acceler ati on .
When you press the acce lerator pedal beyond the resistance point
t hat is reached at ful l th rottle, the transmission wi ll select a lower
gear ra tio bas ed on vehic le spe ed and engine RPM. The engine RPM
Controls and equip ­
ment
wi ll be control led to produce maximum vehic le acceleration as long
as yo u conti nue to press the acce lerato r pedal beyond this resis ­
tance point .
& WARNING
Be careful when us ing the ki ck-down feature on slippery roads .
Rapid acceleration may cau se the vehicle to skid . •
A pplies to veh icl es : wi th mu ltitro nic® C ontinuo usly V ari ab le Tra nsm iss ion (CVT)
Dynamic shift program (DSP)
The multitronic® tr ansmissi on is elect ro nic ally
controlled.
The transmission se lects the appropriate gear ratio (upshifts and
downsh ifts) automatical ly based on preset driving programs.
The transmission wil l selec t one of the
economy programs when
yo u drive at a steady speed o r a gra dually changing speeds without
heavy acceleration . T his gives bes t fuel efficiency , with early
upshifting and delayed downshif ting .
The transmission will au tomat ically select the
s porty shift programs
when you drive at higher speeds, or with heavy acce leration and
freque ntly changing speeds . Upshifts are delayed to make full use
of engine power. Downshifting takes place at higher engine speeds
t han in t he economy programs .
The se lection of the most suitable shift program is a continuous,
automatic process . The driver can also make the transmission
sw itch to a spor ty progra m by
quickly pressing down the gas peda l.
This caus es the transmission to shift down into a lower gear ratio
and makes qu ick acceleration possible (to pass another vehic le) You
do not need to press the gas peda l into the kickdown range . After
the trans missi on has upshifte d, the o riginal p rogram is selected
according to your driving style . _.,
I • •