2008 AUDI S8 lock

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•
• T he batt ery inside of the tire pressure sensor has a l imited
s er vice l ife.
• Al ways drive with the va lve stem ca ps sec ure ly m ounted. We
r ec om mend u sin g fa ctor y in sta lle d v alv e stem caps. Ask your autho­
rized Audi d ealer to replac e lost valve stem caps .
T he in stalla tio n of replacement ti res with steel cord body plies i n
th e tire s id ewal l may cause malfunct ion of the tire pressure moni ­
toring sy ste m, and is not recommended (c ord mate ria l infor mation
i n mo lded on the tire s idewa ll).
Al ways check your tir e pressure monitor ing system indicator after
r eplac ing on e o r m ore tire s on y our vehi cle. If the tire pressu re
monitorin g system indicator flashes, or is on, your system is not
w orki ng pr ope rly. You r rep lace ment tir e mi ght be in co m pati ble w ith
your t ire pr essure monitoring system, or some component of the
t ir e pr ess ure m oni to ring sys te m m ay be damaged .
& WARNING
• Using incorrect or unmatched tires and / or wheels or improper
tire and wheel combinations can lead to loss of control , collision
and serious personal injury .
• Always use tires , rims and wheel bolts that meet the specifica­
tions of original factory -installed tires or other combinations that
have been specifically approved by the vehi cle manufacturer .
• Tires age even if they are not being used and can fail suddenly,
espe cially at high speeds . Tires that are more than 6 years old can
only be used in an emergency and then with special care and at
lower speeds .
• Never mount used tires on your vehicle if you are not sure of
their "previous history ." Old used tires may have been damaged
even though the damage cannot be seen that can lead to sudden
tire failure and loss of vehicle control.
• All four wheels must be fitted with radial tires of the same type ,
size (rolling cir cumference ) and the same tread pattern . Driving
&, WARNING (continued )
with different tires reduces vehicle handling and can lead to a loss
of control.
• If the spare tire is not the same as the tires that are mounted
on the vehicle
-for example with winter tires -only use the spare
tire for a short period of time and drive with extra care . Refit the
normal road wheel as soon as safely possible.
• Never drive faster than the maximum speed for which the tires
on your vehicle are rated because tires that are driven faster than
their rated speed can fail suddenly.
• Overloading tires cause heat build -up , sudden tire failure,
including a blowout and sudden deflation and loss of control.
• Temperature grades apply to tires that are properly inflated and
not over or underinflated.
• For techni cal reasons it is not always possible to use wheels
from other vehicles -in some cases not even wheels from the
same vehicle model.
• If you install wheel trim discs on the vehicle wheels , make sure
that the air flow to the brakes is not blocked . Reduced airflow to
the brakes can them to overheat , increasing stopping distances
and causing a collision.
• Run flat tires may only be used on vehicles that were equipped
with them at the factory . The vehicle must have a chassis designed
for run flat tires and a factory-installed tire pressure monitoring
system that indicates a loss of tire pressure. Incorrect use of run
flat tires can lead to vehicle damage or accidents . Check with an
authorized Audi dealer or tire specialist to see if your vehicle can
be equipped with run flat tires . If run flat tires are used , they must
be installed on all four wheels . Mixing tire types is not permitted.
0 Note
• Fo r tec hnica l reaso ns, i t is not gene rally p oss ibl e to use the
whee l rims from other vehicles . T his can hold true for wheels of t he
sa me v ehicl e typ e.
Vehicle care

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&, WARNING (continued )
• Never drive faster than the speed for which the winter or other
tires in stalled on your vehicle are rated.
& WARNING
Always adjust your driving to the road and traffic condit ions .
Never let the good acceleration of the winter tires and all -wheel
dri ve tempt you into taking extra risks. Always remember :
• When braking , an all -wheel drive vehicle handles in the same
way as a front drive vehicle .
• Drive carefully and reduce your speed on icy and slippery roads ,
even winter tires cannot help under bla ck ice conditions.
c£> For the sake of the environment
Use summer tires when weather conditions permit. They are
q uiete r, d o not wear as qui ckly a nd r educe fuel cons ump tion.•
Snow chains
Sn ow c hain s may be fitte d only to the fron t w heel s, an d on ly to
certain tire sizes. Ask your authorized Audi dealer on which tire
s iz es snow c hains can be used.
If you are going to use snow cha ins, then you must instal l them on
the front wheels at least.
Th e sn ow c hains mus t h ave low-pro file l inks and mus t n ot be t hic ke r
than 0. 53 inch ( 13. 5 mm), including the lock.
Remove wheel ce nter c ove rs a nd tr im dis cs be fore putti ng sn ow
c h ains on your
veh ic le:::::, 0. For safety reasons cover caps must
then be fitted ove r the wheel bo lts . These are avai lable from autho ­
rized Audi dealers.
& WARNING
Using the wrong snow chains for your vehicle or installing them
incorrectly can in crease the risk of loss of control leading to
serious personal injury .
• Snow chains are available in different sizes. Alway s make sure
to follo w the instructions provided by the snow chain manufac ­
turer.
• When driving with snow cha ins never drive faster than the
speed permitted for your specific snow chains .
• Always observe local regulations .
0 Note
• Remove snow chains before driving on roads not covered with
snow to av oid da magi ng t ires a nd weari ng th e snow cha ins dow n
unnecessari ly .
• Snow c hains, w hich
come int o direct co ntact w it h the w heel r im,
can scratch or damage it. Th erefore, make sure that the snow chains
are suitab ly cov ere d.
• I f the Adaptive Air Suspension should malfunction, do not
mo unt or use snow cha ins because t he veh icle w ill be ext re me ly
l ow. If you do drive with snow chains on while the vehicle is at this
l ev el, the s now c hai ns mig ht sev erely da mag e th e wheel house an d
other parts of the vehicle .
[ i ] Tips
Where snow chains are mandatory on certain roads, this norma lly
a lso ap plies t o veh icle s wi th All Wheel D rive .•

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[ i J Tips
If you no longer have your original warni ng triang le and need to
equip your vehic le with a new one, contact you r authorized Audi
d ea ler for a r eplace men t. •
Jack, tools and spare wheel
Jack
The jack is store d unde rnea th the floor panel in the
lug gage co mpartm en t.
Fig . 280 Luggage
c ompartment vehicle
jack
Before s tori ng the jack, make su re i t is wound back down as far as it
wi ll go.
& WARNING
Improper use of the vehi cle ja ck can cause serious personal inju ­
ries .
• Never use the jack supplied with your Audi on another vehi cle,
particularly on a heavier one. The jack is only suitable for u se on
the vehi cle 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 st ands
s pecifically designed for this purpose .
• Never use the he xagonal socket in the handle of the s crew­
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 v ehicle in an a ccident or
sudden maneuver .
[ i J Tips
Before you can raise your vehicle using the jack, yo u must act ivate
the jack ing mode ::}
page 188. •
Vehicle care Do-it-yourself service irechnical data

llffl!I What do I do novv?
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Tools
The vehicle tools are stored in the luggage compartment
lid.
Fig . 281 Trunk lid:
Opening the cover
Fig . 282 Trunk lid:
Vehicle tools
-To open the cover, turn the retainer in the direction of the
arrow and pull the cover down
~ page 350, fig. 281.
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
• Screwdr iv e r with reversible blade •
10 x 13 open ended wrench
• Towing loop
[ i] Tips
Some of the on board 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 . 283 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 wheel
- Raise the floor panel at the plastic 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. 283. 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 349.
& 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

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Loosening and tightening the wheel bolts
The wheel bolts must be loosened before raising the
vehicle .
Loosening
Fig . 28 6 Chang in g a
w hee l: loos enin g t he
whee l 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 wrenc h handle and turn
the wheel bolts counter-clockwise about
one single turn
in the direction of
arrow =:> fig. 286.
Tightening
-Install th e wheel bolt wren ch over the wheel bo lt and
push it down as far as it w ill go .
- Take tight hold o f the
end of th e w re n ch handle and tur n
each wheel bolt clockwi se until it is seated.
& WARNING
• Do not u se fo rc e or hu rry when changi ng a whe el -you c an
ca use th e vehicle to slip off the jack and c ause ser iou s pers onal
injurie s.
& W AR N IN G (c ontinu ed )
• Do not loo sen th e wheel b olt s m ore than one turn before you
rai se the vehicle w ith the jack .
-You ris k an inju ry.
[ i] Tips
• Never use the hexagonal socket in the handle of the screwdriver
to loosen or tighten the wheel bolts .
• If a wheel bo lt 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 . 287 C ha ng ing a
w he el: m ounting
poi nts for th e jac k ..

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Taking the wheel off /installing the spare
Follow these instructions step-by-step for changing the
wheel
Fig . 289 Changing a
wheel: using the
screwdriver handle
!with the blade
removed) to turn the
bolts
Fig . 290 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
as ide on a
cl ean surface => fig. 289. -
Screw the threaded end of the
alignment pin from the
tool kit hand-tight into the empty bolt
hole => fig. 290.
- 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 screwdr iver handle to
screw in and tighten all wheel bolts
slightly.
- Remove the alignment pin and insert and t ighten 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 bo lt wrench to tighten all wheel bolts
firmly=> page 354. Tighten them crosswise , from one
bolt to the (approximately) opposite one, to keep the
w heel 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 s crewdriver 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 357.
• 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 -.,

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4. Connect the other end to the negative ground post of the
battery manager control unit located next to the battery.
Starting the engine
-Start the engine of the vehicle with the booster battery.
Run the engine at a moderate speed.
- Start engine with discharged vehicle battery in the usual
manner .
- If the engine fails to start: do not keep the starter
cranking for longer than 10 seconds. Wait for about 30
seconds and then try again.
- With engine running, remove jumper cables from both vehicles in the exact
reverse order.
The battery is vented to the outside to prevent gases from entering
the vehicle interior . Make sure that the jumper clamps are well
connected with their metal ports in full contact with the battery
terminals.
& WARNING
To avoid serious personal injury and damage to the vehicle, heed all warnings and instructions of the jumper cable manufacturer. If
in doubt, call for road service.
• Jumper cables must be long enough so that the vehicles do not
touch.
• When connecting jumper cables, make sure that they cannot
get caught in any moving parts in the engine compartment.
• Before you check anything in the engine compartment, always
read and heed all
WARNINGS ~ page 299, "Engine compartment".
0 Note
Improper hook -up of jumper cables can ruin the generator. •
Always connect POSITIVE(+) to POSITIVE(+), and NEGATIVE(-) to
NEGATIVE( -) ground post of the battery manager control unit.
• Check that all screw plugs on the battery cells are screwed in
firmly. If not, tighten plugs prior to connecting clamp on negative
battery terminal.
• Please note that the procedure for connecting a jumper cable as
described above applies specifically to the case of your vehicle
being jump started. When you are giving a jump start to another
vehicle, do not connect the negative(-) cable to the negative(-)
terminal on the discharged
battery @~ page 365, fig. 297. Instead,
securely connect the negative(-) cable to either a solid metal
component that is firmly bolted to the engine block or to the engine
block itself. If the battery that is being charged does not vent to the
outside, escaping battery gas could ignite and explode! •
Emergency towing with commercial
tow truck
General hints
Your Audi requires special handling for towing.
The following information is to be used by commercial tow truck
operators who know how to operate their equipment safely.
• Never tow your Audi, towing will cause damage to the engine
and transmission.
• Never wrap the safety chains or winch cables around the brake
lines.
• To prevent unnecessary damage, your Audi must be transported
with a flat bed truck.
• To load the vehicle on to the flat bed, use the towing loop found
in the vehicle tools and attach to the front or rear anchorage
~ page 367 and ~ page 368 . .,,_