2009 AUDI S4 CABRIOLET ESP

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In correct wheel alignment
Inc orrect wheel alignment can cause excessive tire wea r, impairing
the saf ety of the vehicle . If tires s how excessive wear , have the
whee l alig nment chec ked by an autho rized A udi deale r or q ualif ied
workshop .
All Wheel Drive
Vehicles with quattro ® must always have tires of the same si ze ,
cons tructi on and tread type . For details see => page 218 .
& WARNING
Sudden tire failure can lead to loss of control, a crash and serious
personal injury!
• Never drive a vehicle when the tread on any tire is worn down
to the wear indi cators .
• E specially in wet and slick driving situations , a preferably large
profile depth of the tires is necessary , and an approximately
similar profile depth of the front and rear axle tire s.
• The diminished driving safety , caused by too small of a tire
profile , is negatively perceivable especially in handling , in danger
of hydroplaning when driving through deep puddles and ponds ,
when driving around curve s, and in braking behavior.
• Worn t ires are a safety hazard , they do not grip well on wet
roads and increase your risk of "hydroplaning " and loss of control.
• Always keep chemicals that can cause tire damage , such a s
grease , oil , gasoline and brake flu id away from tires.
• 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
lowe r speeds.
• Never mount used tire s on your vehicle if you are not sure of
their "previous history ." Old u sed tires may have been damaged
even though the damage cannot be seen that can lead to sudden
tire failure and los s of vehicle control. •
New tires and replacing tires and wheels
New tires and wheels ha ve to be bro ken in.
Fig. 211 Tire spe cification cod es on the sidewall of a tir e
No. Description
©
@
@
@
©
©
Passenger car tire (where applicable)
Nominal w id th of tire in mi llimeters
Ratio of height to width (aspect ratio)
Radia l
ii Rim diameter code
Load index an d sp eed ra ting
Vehic le care irechnical data

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toring system* would not be able to monitor the tire pressure or
warn you if it is necessa ry.
• T he battery inside of the tire pressure sensor has a limited
service life.
• Always drive with the valve stem caps securely mounted. We
r ecommend us ing facto ry insta lled va lve stem caps. Ask you r autho ­
rized Audi dealer to replace lost va lve stem caps.
T he installation of rep lacement tires with steel cord body p lies in
t he tire sidewall may cause mal functi on of the tir e pressure mo ni­
toring system , and is not recommended (cord material information
in mo lded o n th e ti re sid ewa ll) .
Always check your tire pressure monitoring system * indicator after
r eplacing one or mo re ti res on your veh ic le . I f the ti re p ress ure
m onito ring syste m* ind icator flashes, or is o n, your s ystem is not
wo rking properly . Your replacement t ire might be incompatible with
yo ur tir e pressure mon ito ring system* , o r so me compo nen t of th e
tire p ressure monitoring system * may be damaged .
& WARNING
• Using incorrect or unmatched tires and I or wheels or improper
tire and wheel combinations can lead to loss of control , collision
and serious personal injury .
• Always use t ires , rims and wheel bolts that meet the specifica­
tions of original factory-installed tires or other combinations that
have been specifically approved by the vehicle manufacturer.
• Tires age even if they are not being used and can fa il 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 speed s.
• Never mount used tire s on your vehicle if you are not sure of
their "previous history ." Old used tire s may have been damaged
even though the damage cannot be seen that can lead to sudden
tire f ailure and loss of vehicle control.
& W ARNING (continued )
• All four wheels mu st be fitted with radial tires of the same type,
size (rolling circumference ) and the same tread pattern. Driv ing
with different tires redu ces vehicle h andling 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 e xample with winter tire s - only u se 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
the ir 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 te chnical reasons it is not always possible to use wheels
from other vehicle s -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. Redu ced airflow to
the brakes can them to overheat , increasing stopping distances
and causing a collision.
• Run flat tire s may only be used on vehicle s that were equipped
with them at the fa ctory . The vehicle must have a cha ssis designed
for run flat tires and a factory -installed tire pressure monitoring
s ystem that indicate s a loss of tire pressure . Incorre ct use of run
flat tires can lead to vehicle damage or accidents . Check with an
autho rized Audi dealer or t ire specialist to see if your vehicle can
be equipped with run flat tires .
If run flat tires are used , they mu st
be installed on all four wheels . Mixing tire types is not permitted. .,

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•
0 Not e
• For technical reasons, it is not genera lly possible to use the
wheel rims from other vehic les. This can hold true for wheels of the
same vehicle type.
• If the spare tire is different from the tires that you have mounted
on your vehicle (for example winter tires or wide profile t ires), then
use the spare tire for a short period of time only and drive with extra
care. Rep lace the flat tire with the tire matching the others on your
vehic le as soon as possible.
• If you should put different wheels and tires on your vehic le (e.g.
winter wheels and tires), you must be certain that the wheels and
tires are compatib le with the tire pressure monitoring system.
Otherwise the system will register a malfunction and a fault
message will be displayed . For more information, contact your Aud i
dea ler.
0 Note
• When insta lling new tires, be carefu l not to damage the valves or
t ire pressure monitoring system* senso rs.
• Never drive without the va lve stem cap. The va lves could get
damaged.
• If the sensors must be replaced, then the valve must also be
replaced at the same t ime.
Dispose of old tires in accordance with the local requirements .•
Uniform tire quality grading
• Tread wear
• Traction AA A B C
• Temperature A B C Qua
lity grades can be found where applicable on the tire side wall
be tween tread shoulder and maximum section widt h =>
page 279,
fig. 21 1.
For example : Tread wear 200, Traction AA , Temperature A.
All passenger car tires must conform to Federa l Safety Require­
ments in addition to these grades.
Tre ad w ear
The tread wear grade is a comparative rating based on the wear rate
of the tire when tested under con trol led conditions on a specified
government test course.
F o r exam ple, a tire g raded 150 would wear one and one half (1 1/2)
times as well on the government course as a tire graded 100 .
The relative performance of tires depends upon the actual condi ­
tions of the ir use, however, and may depart significantly from the
norm due to variations in driving habits, service practices and differ ­
ences in road cha racteristics and c limate .
Tra ction
The traction grades, from highest to lowest , are AA, A, Band C.
Those grades represent the tire's ability to stop on wet pavement as
measu red under contro lled conditions on specified government
test surfaces of asphalt and concrete. A tire marked C may have
poor traction performance =>
/.1.
Temperatur e
The temperature grades are A (the highest), B, and C, representing
the tire 's resistance to the generation of heat and its ability to dissi ­
pate heat when tested under contro lled conditions on a specified
indoor laboratory test wheel.
Sus tained high temperature can cause the material of the ti re to
degenerate and reduce tire life, and excessive temperature can lead
to sudden tire failure=>
/.1.
The grade C corresponds to a level of performance which all
passenger car tires must meet under the Federal Motor Vehicle
Vehic le care

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•
• After any impact, immediately inspect your tires or have them
inspected by the nearest authorized Audi dealer. Replace a
damaged tire as soon as possible .
• Inspect your tires every 2,000 miles (3,000 km) for damage and
wear. Damage is not always easy to see. Damage can lead to loss of
air and underinflation, which could eventua lly cause tire failure. If
you believe that a tire may have been damaged, replace the tire as soon as possible .
• These tires may wear more quickly than others .
• Please a lso remember that, while these tires deliver responsive
handling, they may ride less comfortably and make more noise than
other choices.
Reduced performance in vvinter /cold season
conditions
All tires are designed for certain purposes. The low aspect ratio,
ultra high performance tires originally installed on your vehicle are
intended for maximum dry and wet road performance and handling.
They are not suitable for cold, snowy or icy weather conditions. If
you drive under those circumstances, you should equip your vehicle
with all -season or win ter tires, which offer better traction under
those conditions . We suggest you use the recommended snow or
all -season tires specified for your vehicle, or their equivalent .
Refer to=>
page 284for more detailed information regarding winter
tires. •
Vehic le care

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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
==> page 291, fig. 215. Turn it counter-clockwise.
- Take out the spare wheel.
- 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. •
Applies to vehic les: w ith a space -saving spare wheel
Space-saving spare wheel
The compact spare wheel is only intended to be used for
a short time.
Using the space-saving spare wheel
The space -saving spare wheel is only intended for emergencies
until you can reach a repair shop. Replace it as quickly as possible
with a normal wheel.
There are some restrictions on the use of the space -saving spare
wheel
=> ,&. . The space-saving spare wheel has been developed
especially for your type of vehicle. It must not be exchanged for the
space-saving spare wheel from another type of vehicle.
Normal summer or winter tires must not be fitted on the space ­
saving spare wheel rim.
Snow chains
For technical reasons, the use of snow chains on the space-saving
spare wheel
not permitted .
If you do have to drive with snow chains and have a tire failure on a
front wheel, install the space-saving spare wheel in place of a rear
wheel. Install the snow chains on the rear wheel and use it to
replace the defective front wheel.
& WARNING
• After installing the space-saving spare wheel, the tire pressure
must be checked as soon as possible. The tire pressure must be
adapted to the load condition of the vehicle according to the tire .,_

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[ i ] Tip s No . Equipm ent Amps
You are wel l adv ised to keep a supply of spare fuses in your vehic le.
15 Instrument c luster, Navigation system 10
Fuses with the proper ampere ratings are available at your Audi 16 Garage door opener 5
dea ler. •
17 Level , tire pressure control , park assist, 10 light/rain sensor
Fuse list Automatic headlig ht range control, left 5
Fuses which con be replaced. 19 Fog lights 15
Vacant
N o. Equipm ent Amps
21 Vacant
1 Air conditioner 10
22 Doors 15
2 Footwell illumination 5 23 Vacant
3 Heated washer jets 5 Central convenience electrical system 20
Radiator fan 5 25 Heater blower 30
5
Telephone, oil level sensor, multifunction 10 Rear window defogger 30 switch, rear heated seat, shift gate
Air conditioner (air quality sensor), air pressure
27 Socket for tra iler towing (controller) 30
6 5
sensor 28 Fuel pump 20
Electronic Stabil izat ion Program (ESP), bra ke 29 Vacant
7 light switch, clutch peda l switch, steering angle 10
sensor
30 Power top control un it 30
8 Telephone 5 31
Automatic transmission, mirror dimming, diag-15 nosis socket
9 Brake booster (vacuum pump) 15 Towing assembly 15
10
Automatic headl ight beam adjustment, auto -5 33 Cigarette
lighter 20 matic headlight range control, right
34 Electrical socket 20
11
Airbag control unit, front passenge r seat recog -10 nition USA (bladder mat) 35 Luggage compartment socket 20
Diagnosis socket 10 Windshield wiper system 30
13
Steering c olumn module 10
37 Pump for windshie ld an d head light washer* 30
14
Brake lights 10
system
• Do-it-yourself service

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No.
38
39
41
42
43
Equipment
Central electric, anti -theft alarm system, rear
lid/trunk release
Radio
Horn
Vacant
Electronic Stabilization Program (ESP)
Engine timing
Seat heating
Automatic circuit breakers: Amps
15
20
25
25
15
35
The electric power windows and the electric seat adjusters are
protected with circuit breakers which reset automatically after the
circuit overload has been corrected .
[ i] Tips
• Whenever replacing a fuse, always consult the sticker on the
inside of the fuse panel cover. It contains the most up-to-date infor­
mation regarding the fuse arrangement . If in doubt, ask your autho­
rized Audi Service advisor.
• Some of the equipment items listed are optional or only avail­
able on certain model configurations. •
Bulbs
Replacing light bulbs
For your safety, we recommend that you have your autho­
rized Audi dealer replace burned out bulbs for you.
It is becoming increasingly more and more difficult to replace
vehicle light bulbs since in many cases, other parts of the car must first be removed before
you are able to get to the bulb. This applies
especially to the light bulbs in the front of your car which you can
only reach through the engine compartment.
Sheet metal and bulb holders can have sharp edges that can cause
serious cuts, and parts must be correctly taken apart and then prop­
erly put back together to help prevent breakage of parts and long
term damage from water that can enter housings that have not
been properly resealed.
For your safety, we recommend that you have your authorized Audi
dealer replace any bulbs for you, since your dealer has the proper
tools, the correct bulbs and the expertise.
Gas discharge lamps (xenon lights)*:
Due to the high electrical voltage, have the bulbs replaced by a qual­
ified technician. Headlights with xenon light can be identified by the
high voltage sticker.
& WARNING
Contact with high-voltage components of the electrical system
and improper replacement of gas discharge (Xenon) headlight
bulbs can cause serious personal injury and death.
• Xenon bulbs are pressurized and can explode when being
changed.
• Changing Xenon lamps requires the special training, instruc­
tions and equipment.
• Only an authorized Audi dealer or other qualified workshop
should change the bulbs in gas discharge lamps.
& WARNING
There are parts with sharp edges on the openings and on the bulb holders that can cause serious cuts .
~

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•
- In se rt a rubber pad betwee n th e floor jack/ wo rk sh op
h oi st and the li ftin g p oin ts .
If you must lift your vehicle with a floor jack to work underneath , be
sure the vehicle is safely supported on stands intended for this
purpose .
Fr ont lifting point
The lifting poi nt is located on the floo r pan rei nforceme nt about at
the same leve l as the jack mounting point~ page
308, fig. 230. Do
not lift the vehicle at the vertical sill reinforcement.
Rear lifting point
The li ftin g point is locate d on t he vert ical re inforceme nt of th e low er
sil l for the on board jack~ page
30 8, fig. 23 1.
Lifting with vehi cle ja ck
Refer to
~ page 296.
& WARNING
• To reduce the ri sk of serious injury and vehicle damage.
- Always l ift the vehicle only at the special workshop hoist and
floor jack lift points illustrated
~ page 308 , fig. 230 and
~ page 308, fig. 231.
- Failure to lift the vehicle at these points could cause the
vehicle to tilt or fall from a lift if there is a change in vehicle
weight distribution and balan ce . This might happen , for
e xample , when heavy components such as the engine block or
transmission are removed .
• When removing heavy components like these, anchor vehicle
to hoist or add correspond ing we ights to maintain the center of
gravity. Otherwise , the vehicle might tilt or slip off the hoist ,
causing ser ious personal injury .
0 Note
• Be aware of the fo llowing po ints be fore l ifting the ve hicle:
- The vehicle should never be lifted o r ja cked up from under ­
neath the engine oil pan , the tran smis sion housing , the front or
rear a xle or the body side members. This could lead to serious
damage.
- To avoid damage to the underbody or chassis frame , a rubber
pad must be inserted between the floor jack and the lift points .
- Before dr iving over a workshop hoist , check that the vehicle
weight does not exceed the permis sible lifting capacity of the
hoist .
- Before driving over a workshop hoist , en sure that there i s
sufficient clearance between the hoist and low parts of the
vehicle. •
Do-it-yourself service