2009 AUDI S8 Owners Manual

What do I do now? -
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[ i J Tips
If you no longer have your original warning triang le and need to
equip your vehicle with a new one, contact your authorized Audi
dealer for a replacement .•
Jack, tools and spare wheel
Jack
The jack is stored underneath the floor panel in the
luggage compartment.
Fig . 282 Luggage
compartment vehicle
jack
Before stori ng the jack, make sure it is wound back down as far as it
will go.
& WARNING
Improper use of the vehicle jack can cause serious personal inju­
ries.
• Never use the jack supplied with your Audi on another vehicle,
particularly on a heavier one. The jack is only suitable for use on
the vehicle it came with.
& WARNING (continued)
• Using a bumper jack to raise the vehicle will damage the
bumper system. The jack may slip, causing injury.
• Never support your vehicle on cinder blocks, bricks or other
objects. These may not be able to support the load and could
cause injury when they fail.
• Never start or run the engine while the vehicle is supported by
the jack.
• If you must work under the vehicle, always use safety stands
specifically designed for this purpose .
• Never use the hexagonal socket in the handle of the screw­
driver to loosen or tighten the wheel bolts.
• Always make sure the spare tire and even a flat tire are secured
in place and not loose, otherwise they could fly forward , causing
personal injury to passengers in the vehicle in an accident or
sudden maneuver .
[ i J Tips
Before you can raise your vehicle using the jack, you must activate
the jacking mode~
page 191. •
Vehicle care Do-it-yourself service irechnical data

-What do I do novv? Pffl..._ _____________________ _
Tools
The vehicle tools are stored in the luggage compartment
lid.
Fig. 283 Trunk lid:
Opening the cover
Fig. 284 Trunk lid:
Vehicle tools
-To open the cover, turn the retainer in the direction of the
arrow and pull the cover down
=> page 352, fig. 283.
The onboard tool kit includes:
• Hook for removing wheel covers *
• Plastic hook to remove wheel bolt covers
• Whe el bolt wr ench
• Alignment pin for changing wheels
• Screwdriver with reversible blade •
10 x 13 open ended wrench
• Towing loop
[ i] Tips
Some of the onboard items listed above are provided on certain
models only or are optional extras .•
Spare wheel
The spare wheel is stored in the wheel well underneath
the floor panel in the luggage compartment.
Fig. 285 Luggage
compartment spare
wheel
Your vehicle is equipped with a regular spare wheel. It is
held in place by plastic retaining knurled screw.
Taking out the spare vvheel
- Raise the floor panel at the plast ic handle.
- Securely engage the handle in the luggage compartment
seal as illustrated to keep the floor panel up.
- Unscrew the knurled retainer bolt in the wheel center
=> fig. 285. Turn it counter-clockwise.
- Take out the spare wheel.

What do I do now? Ill
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•
-Disengage and lower the floor panel before you close the
luggage compartment lid again.
Storing the replaced wheel
-Place the replaced wheel inside the spare wheel well in
the luggage compartment.
Tighten the knurled retaining screw clockwise to secure
the wheel in place.
- Disengage and lower the floor panel before you close the
luggage compartment lid again.
& WARNING
Loose items in the passenger compartment can cause serious
personal injury during hard braking or in an accident .
• Never store the spare wheel or jack and tools in the passenger
compartment.
• Always store all jacking equipment, tools, and the spare wheel
in the luggage compartment.
• Tighten the knurled retaining screw for the spare wheel
securely.
[ i] Tips
Check the inflation pressure of the spare tire periodically to keep the
tire ready for use. •
Changing a wheel
Before changing a wheel
Observe the following precautions for your own and your
passenger's safety when changing a wheel.
- After you experience a tire failure, pull the car well away
from moving traffic and try to reach level ground before
you stop
~ & .
- All passengers should leave the car and move to a safe
location (for instance, behind the guardrail) ~& .
- Engage the parking brake to prevent your vehicle from
rolling unintentionally ~& .
- Move selector lever to position P
~ &.
-If you are towing a trailer: unhitch the trailer from your
vehicle.
- Take the jack and the spare tire out of the luggage
compartment~
page 351.
& WARNING
You or your passengers could be injured while changing a wheel if
you do not follow these safety precautions:
• If you have a flat tire, move a safe distance off the road. Turn off
the engine, turn the emergency flashers on and use other warning
devices to alert other motorists.
• Make sure that passengers wait in a safe place away from the
vehicle and well away from the road and traffic.
• To help prevent the vehicle from moving suddenly and possibly
slipping off the jack, always fully set the parking brake and block
the wheel diagonally opposite the wheel being changed. When one ..,
Do-it -yourself service

1111 What do I do now? ..._ __________________________________________ _
& WARNING (continued )
front wheel is lifted off the ground , placing the Automatic Trans­
mission in "P" (Park) will
not prevent the vehicle from moving.
• Before you change a wheel, be sure the ground is level and firm.
If necessary , use a sturdy board under the jack.
• After installing the spare wheel, make sure that you replace the
flat tire/wheel in its storage area properly and tighten the knurled
retaining screw securely.
[ i J Tips
Before changing the wheel, you must activate the jacking mode, so
that the automatic controls for the Adaptive Air Suspension do not
make it more difficult to lift the vehicle with the jack =>
page 791. •
Changing a wheel
When you change a wheel, follow the sequence described
below step-by-step and in exactly that order.
1. Activate the vehicle jacking mode~ page 191.
2. Remove the decorative wheel cover*. For more details
see also
~ page 355, "Decorative wheel covers" or
~ page 355, "Wheels with wheel bolt caps" .
3. Loosen the
wheel bolts ~ page 356.
4. Locate the proper mounting point for the jack and align
the jack below that point~
page 356.
5. Lift the car with the jack~ page 356.
6. Remove the wheel with the flat tire and then install the
spare
~ page 358 .
7. Tighten all wheel bolts lightly. 8.
Lower the vehicle with the
jack.
9. Use the wheel bolt wrench and
firmly tighten all wheel
bolts
~ page 356.
10. Replace the decorative wheel cover*.
11. Deactivate the vehicle jacking mode~ page 191.
& WARNING
Always read and follow all WARNINGS and information :::::> 6 in
" Raising the vehicle" on
page 356 and => page 359. •
After changing a vvheel
A wheel change is not complete without the doing the
following.
- Store and secure the wheel you replaced in the spare
wheel well.
- Replace the tools and the jack in their proper location.
- Check the
tire pressure on the spare wheel immediately
after mounting it.
- As soon as possible , have the
tightening torques on all
wheel bolts checked with a torque wrench. The correct tightening torque is 90 ft lb (120 Nm) .
- Have the flat tire
replaced as soon as possible.
[ i J Tips
• If you notice that the wheel bolts are corroded and difficult to
turn while changing a tire, they should be replaced before you check
the tightening torque. .,_

What do I do now? -
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• Drive at re duced speed until you have the tightening torques
checked .a
A pplies to ve hic les: wit h deco rat ive w heel covers
Decorative wheel covers
The decorative wheel covers must be removed first to
access the wheel bolts.
Removing
Fig . 286 Changing a
wheel: Removing the
wheel cover
- Insert the hook provided with the vehicle tool kit in the
hole in the hub.
Pull off the decorative wheel cover~ fig . 286. •
App lies to veh ic les: w ith whee l bo lts with caps
Wheels with wheel bolt caps
The caps must be removed first from the wheel bolts
before the bolts can be unscrewed .
Removing
Fig. 287 Changing a
wheel: removing the
wheel bolt caps
-Push the plastic clip provided with the vehicle tool kit
over the w heel bolt cap until it engages.
- Pull on the plastic clip to remove the cap ~ fig. 287.
Refitting
- Place the caps over the wheel bolts and push them back
on.
The caps are to pro tect and ke ep the wheel bolts clean. •
Vehicle care Do-it-yourself service irechnical data

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Loosening and tightening the wheel bolts
The wheel bolts must be loosened before raising the
vehicle.
Loosening
Fig . 288 Changing a
wheel: loosening the
wheel bolts
- Install the wheel bolt wrench over the wheel bolt and
push it down as far as it will go.
Take tight hold of the
end of the wrench handle and turn
the wheel bolts counter-clockwise about
one single turn
in the direction of arrow::::, fig. 288.
Tightening
- Install the wheel bolt wrench over the wheel bolt and
push it down as far as it will go.
- Take tight hold of the
end of the wrench handle and turn
each wheel bolt clockwise until it is seated.
& WARNING
• Do not use force or hurry when changing a wheel -you can
cause the vehicle to slip off the jack and cause serious personal
injuries.
& WARNING (continued)
• Do not loosen the wheel bolts more than one turn before you
raise the vehicle with the jack. -You risk an injury.
[ i] Tips
• Never use the hexagonal socket in the handle of the screwdriver
to loosen or tighten the wheel bolts .
• If a wheel bolt is very tight, you may find it easier to loosen by
carefully pushing down on the end of the wheel bolt wrench with
one foot only . As you do so, hold on to the car to keep your balance
and take care not to slip. •
Raising the vehicle
The vehicle must be lifted with the jack first before the
wheel can be removed.
Fig . 289 Changing a
wheel: mounting
points for the jack ...

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Fig . 290 Close-up :
proper positioning of
jack
- Act iva te the ve hicle ja cking mode before c ha ngin g a
wheel ==>
page 19 1.
- Posi tio n th e jack below th e doo r sill und er t he mounting
point
that is clos est to the w hee l to be cha nged
==>
p age 356 , fig. 289.
- Exten d the
jack und er the li fting po int on the doo r sill
un til it s arm is po sitio ned d irect ly und er t he l if tin g p oint
==> & .
- Align the j ack so th at its a rm
@ en gag es th e plastic
lif ting point on the door si ll and th e mova ble base ® is
flat on the groun d==> fig. 290 .
- Wind th e jack up furt her u ntil the flat tir e co mes off the
gr oun d==> & .
The jack must be installed only at the places indicated~ page 356,
fig. 289 . Th ere is e xactly on e loca tion for e ach w heel. The jack m ust
not b e positioned at any oth er locatio n~ & .
T he jac k should be pos it ioned ap pro xim ately 8 in . (2 0 cm) be hind
the front wh eel or 6 i n. (1 5 c m) in fr ont o f the r ear w heel.
A n unstab le su rface unde r th e jac k can cause the vehicle to slip off
the jack. A lw ay s pro vi de a firm bas e for th e ja ck on the grou nd. If
necessary place a sturdy board or similar s up port under the jack. On ha
rd, sl ippery surfaces (suc h as til es) us e a ru bber mat or similar to
prevent th e ja ck fr om slippin g~ & .
& WARNING
• You or your passengers could be injured while changing a
wheel if you do not follow these safety precautions:
-Positioning the jack under the vehicle at any other place than
those indicated above may damage the vehicle or may result in
personal injuries.
- A soft or unstable surface under the jack may cause the
vehicle to slip off the jack . Always provide a firm base for the
jack on the ground . If necessary , use a sturdy board under the
jack .
- On hard , slippery surface (such as tiles ) use a rubber mat or
similar to prevent the jack from slipping.
• To help prevent injury to yourself and your passengers :
- Do not raise the vehicle until you are sure the jack is securely
engaged .
- Passengers must not remain in the vehicle when it is jacked
up .
- Make sure that passengers wait in a safe place away from
the vehicle and well away from the road and traffic .
- Make sure jack position is correct, adjust as necessary and
then continue to raise the jack.
[ i ] Tips
Be for e changi ng th e whee l, yo u m ust ac tiv ate the jac king mode , so
that the automat ic controls for t he Adapt ive Air Suspension do not
make it more diffic ult to lift the vehi cle with the jack~
page 191. •
Vehicle care Do-it-yourself service irechnical data

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Taking the wheel off/installing the spare
Follow these instructions step-by-step for changing the
wheel
Fig . 291 Changing a
wheel: using the
screwdriver handle
!with the blade
removed) to turn the
bolts
Fig . 292 Changing a
wheel: alignment pin
inside the top hole
After you have loosened all wheel bolts and raised the
vehicle off the ground, remove and replace the wheel as
follows:
Removing the wheel
-Use the hexagonal socket in the screwdriver handle to
completely remove the topmost wheel bolt and set it
aside on a
clean surface => fig. 291. -
Screw the threaded end of the
alignment pin from the
tool kit hand-tight into the empty bolt hole=> fig. 292.
- Then remove the other wheel bolts as described above .
- Take off the wheel leaving the alignment pin in the bolt
hole.
Putting on the spare wheel
- Lift the spare wheel and carefully slide it over the align­
ment pin to guide it in place.
- Use the hexagonal socket in the screwdriver handle to
screw in and tighten all wheel bolts
slightly.
- Remove the alignment pin and insert and tighten the
remaining wheel bolt slightly like the rest.
Turn the jack handle counter-clockwise to lower the
vehicle until the jack is fully released.
- Use the wheel bolt wrench to tighten all wheel bolts
firmly=>
page 356. Tighten them crosswise, from one
bolt to the (approximately) opposite one, to keep the
wheel centered.
[ i ] Tips
Never use the hexagonal socket in the handle of the screwdriver to
loosen or tighten the wheel bolts.
• Pull the reversible blade from the screwdriver before you use the
hexagonal socket in the handle to turn the wheel bolts.
• When mounting tires with
unidirectional tread design make sure
the tread pattern is pointed the right way=>
page 359.
• The wheel bolts should be clean and easy to turn. Check for dirt
and corrosion on the mating surfaces of both the wheel and the .,,_