fuel filter AUDI S4 2008 Owners Manual

Driver information system35
Controls
Safety
Driving tips
General maintenance
Self-help
Technical data
5 seconds, but you can call it up again at any time by
pressing the button:
Ignition lock defective. Contact workshop!
– Do not switch off the engine.
– Drive the vehicle without delay to a qualified workshop and have the fault repaired.The ignition cannot be switched off if there is a fault in the elec-
tronic ignition lock. For this reason, you should drive the vehicle
without delay to a qualified work shop and have the cause of the
fault repaired.
If the vehicle is equipped with the advanced key* feature, you
should not switch off the engine with the Stop/Start button because
it cannot be started again after the ignition has been switched off.
Note
On some models the symbol may look slightly different.Yellow symbols
A yellow symbol indicates a malfunction or other item
requiring attention.
Yellow symbols indicate a Priority 2 fault.
Yellow symbols are accompanied by one warning chime. The
symbol is accompanied by a driver message giving you more infor-
mation about the fault. This me ssage will disappear after about
5 seconds, but you can call it up again at any time by pressing the button.
The function indicated should be checked as soon as possible. The
yellow symbol will only go out when the fault has been rectified.
If several Priority 2 faults are detected at the same time, the symbols
are displayed one after the other for about 2 seconds at a time.
SET
Fig. 26 Display: Yellow
warning symbol

Dynamic steering
⇒ page 36 and
⇒ page 159

Brake pads worn
⇒page 37

Battery power*
⇒page 38

Bulb monitor*
Bulb failure*
⇒page 37

Check engine oil level
⇒page 38 or
⇒ page 38

Engine oil sensor defective
⇒page 38

Fuel level low
⇒page 37

Washer fluid level low*
⇒page 37

advanced key*
Key not in vehicle
⇒page 36

Light sensor/rain sensor defec-
tive
⇒page 37

Diesel particulate filter*
obstructed
⇒page 38
SET
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Driver information system
38Applies to vehicles: with battery power warning systemBattery power

If battery power drops to a level at which you may encounter prob-
lems when starting the engine, th e display will show the symbol

and the driver message Low battery charge: Battery will be charged
while driving .
Please bear in mind that the star ting ability of the engine may be
impaired while this message is shown.
Message comes on and goes out again
If the message appears in the displ ay after the ignition is switched
on or while driving, and goes out again after a period of time, the
battery has been charged up again sufficiently while the vehicle was
being driven.
Message comes on and does not go out
If the message appears in the displ ay after the ignition is switched
on or while driving, and does not go out again, the battery is not
being maintained at the proper power level. Starting reliability may
be impaired. You should have the battery checked by a qualified
workshop as soon as possible.
Engine oil level (without dipstick)

 Add oil, max. 1L. You may continue driving.
If the  symbol lights up in conjunction with this driver message,
add not more than 1 litre of oil at the next opportunity
⇒ page 259 .
Check engine oil level (with dipstick)

 Please check oil level If the
 symbol lights up in conjunction with this driver message,
please check the engine oil level as soon as possible ⇒page 258 .
Top up the oil at the next opportunity ⇒page 259 .
Engine oil sensor defective


Oil level ! Sensor defective
If the 
symbol lights up, take the vehicle to a qualified workshop
and have the oil level sensor checked. Until then it is advisable to
check the oil level every time you fill up with fuel ⇒page 258 .
Applies to vehicles: with diesel engine and diesel particulate filterDiesel particulate filter obstructed


Particle filter. See Owner's Manual
When the symbol

lights up you can assist the self-cleaning func-
tion of the filter by driving accordingly. You should drive at a speed
of at least 60 km/h (engine speed about 2,000 rpm) for about
15 minutes in 4th or 5th gear, or with the selector lever in position S
on vehicles with automatic gearbox*. As a result of the increase in
temperature the soot in the filter will be burned off. The symbol will
disappear once the cleaning proce ss has been completed success-
fully.
If the symbol

does not go out, please contact a qualified work-
shop and have the fault rectified.
For further information on the diesel particulate filter ⇒page 229 .
WARNING
It is essential that you adjust your speed to suit the weather, road,
terrain and traffic co nditions. The recommended driving speed
must never lead to the driver disregarding the traffic regulations.
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Your vehicle and the environment229
Controls
Safety
Driving tips
General maintenance
Self-help
Technical data
Your vehicle and the environmentRunning inA new vehicle should be run in over a distance of 1,500 km. For the
first 1,000 km the engine speed should not exceed 2/3 of the
maximum permissible engine speed – do not use full throttle and do
not tow a trailer or caravan. From 1,000 to 1,500 km you can gradu-
ally increase the engine rpm and road speed.
During its first few hours of running, the internal friction in the
engine is greater than later on when all the moving parts have
bedded down.
How the vehicle is driven for the first 1,500 km also influences the
engine quality. After the first 1,500 km you should continue driving
at moderate engine speeds, in particular when the engine is cold.
This helps to reduce wear and tear on the engine and increases the
potential mileage which can be covered by the engine.
You should also avoid driving with the engine speed too low.
Change down to a lower gear when the engine no longer runs
“smoothly”. Excessively high engine speeds are prevented by an
automatic rev limiter.Emission control systemsCatalytic converter
Applies to vehicles with petrol engine: The vehicle must only be
used with unleaded petrol, otherwise the catalytic converter will be
destroyed.
Never run the tank completely dry. The irregular fuel supply can
cause misfiring, which would allow unburnt fuel to enter the
exhaust system, which could cause overheating and damage the
catalytic converter. Diesel particulate filter
Applies to vehicles
with diesel engine: The diesel particulate filter
can filter out almost all soot particles contained in the exhaust gas.
In normal driving conditions the filter is self-cleaning. Should the
self-cleaning function of the filter not be able to operate, e.g. when
the vehicle is continuously used only for short trips, the filter
becomes obstructed with soot and the symbol

for the diesel
particulate filter lights up ⇒page 38 .
WARNING
•
Because of the high temperatures which can occur in the emis-
sion control system (catalytic converter or diesel particulate
filter), do not park the vehicle where the exhaust can come into
contact with flammable materials under the car (e.g. on grass or
at the forest edge). - Fire hazard!
•
Do not apply any underseal agen ts in the area around the
exhaust system - fire hazard!
How to improve economy and minimise pollutionFuel economy, environmental impact and wear on the engine,
brakes and tyres depend largely on the way you drive the vehicle. By
adopting an economical driving style and anticipating the traffic
situation ahead, you can reduce fuel consumption by 10-15%. The
following section gives you some ti ps on lessening the impact on
the environment and reducing your operating costs at the same
time.
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Fuel and filling the tank251
Controls
Safety
Driving tips
General maintenance
Self-help
Technical data
Fuel and filling the tankPetrolApplies to vehicles: with petrol enginePetrol grade
The correct grade of petrol is listed inside the fuel tank
flap.The vehicle is equipped with a catalytic converter and must only be
run on unleaded petrol . Unleaded petrol must comply with the
European EN 228 standard. The petrol grades have different octane
ratings (RON). If, in exceptional circumstances, the correct octane
rating is not available, please note the following:•
For engines which require Premium unleaded petrol (95 RON)
according to ⇒page 323, “Performance, weights and dimensions”:
Regular unleaded fuel with 91 RON can also be used. This will,
however, result in a slight loss of power.
•
For engines which require Super Plus unleaded petrol (98 RON)
according to ⇒page 323, “Performance, weights and dimensions”:
Premium unleaded fuel with 95 RON can also be used. This can,
however, result in a slight loss of power under certain driving condi-
tions. – If premium unleaded petrol is not available, the engine can
be run on regular unleaded petrol with 91 RON as an emergency
measure . In this case only use moderate engine speeds and a light
throttle. Fill up with premium or Super Plus petrol as soon as
possible.Caution
•
Petrol complying with the EN 228 standard can contain small
quantities of ethanol. However, “bioethanol fuels”, which are
retailed under various different names such as E50 and E85, and
which contain a large proportion of ethanol, must not be put into
the vehicle, as this would damage the fuel system.
•
Even one tankful of leaded fuel would permanently impair the
efficiency of the catalytic converter.
•
High engine speed and full throttle can damage the engine when
using petrol with an octane rating lower than the correct grade for
the engine.
DieselApplies to vehicles: with diesel engineDiesel fuel
Please note the information on the inside of the fuel tank
flap.Diesel fuel must comply with the European EN 590 standard. It must
have a cetane number (CN) of at least 51. The cetane number indi-
cates the ignition quality of the diesel fuel.
Winter-grade diesel
Diesel fuel can thicken in winter. For this reason petrol stations in
some countries also offer winter diesel.
Caution
•
The vehicle is not designed for the use of biodiesel (FAME fuel).
The fuel system would be damaged if you used biodiesel.
•
Do not mix fuel additives (“thinners”, petrol or similar additives)
with the diesel fuel.
•
If poor-quality diesel fuel is used, it may be necessary to drain
the water separator on the fuel filter more frequently than is speci-
fied in the Service Schedule. We recommend having this done by a
specialist workshop. If water is allowed to collect in the filter, this
can cause engine performance problems.
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CD
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Performance, weights and dimensions323
Controls
Safety
Driving tips
General maintenance
Self-help
Technical data
Performance, weights and dimensionsPetrol enginesA4 1.8Engine data
Performance figures
Weights Maximum trailer weights
2)
Engine oil
MG = Manual gearbox / AG = Automatic gearbox1) With slight loss of power2) The specified trailer weights apply only to vehicles with a factory-
fitted towing bracket.
Power output
118 kW at 4500 - 6000 rpm
Maximum torque
250 Nm at 1500 - 4500 rpm
Cylinders, capacity
4 cylinders, 1,798 cm
3
Fuel
Premium unleaded 95 RON or
regular unleaded 91 RON
1)
MG
AG
Maximum speed
km/h
225
218
Acceleration from 0 - 100 km/h
sec.
8.6
8.6
MG
AG
Gross vehicle weight
kg
1960
2000
Kerb weight (unladen weight)
kg
1410
1450
Maximum front axle weight
kg
1035
1060
Maximum rear axle weight
kg
1050
1060
MG
AG
Trailer with brakes on
gradients up to 8%
kg
1500
1500
Trailer with brakes on
gradients up to 12%
kg
1300
1300
Weight of vehicle and
trailer on gradients up to 12%
kg
3330
3370
Trailer without brakes
kg
740
750
LongLife Service
VW 503 00, VW 504 00
Inspection Service
VW 502 00, VW 503 00, VW 504 00
Engine oil capacity
(including filter change)
approx. 4.6 litres
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Performance, weights and dimensions
324A4 3.2 quattroEngine data
Performance figures
Weights
Maximum trailer weights
2)
Engine oil
MG = manual gearbox1) With slight loss of power2) The specified trailer weights apply only to vehicles with a factory-
fitted towing bracket.
Power output
195 kW at 6500 rpm
Maximum torque
330 Nm at 3000 - 5000 rpm
Cylinders, capacity
6 cylinders, 3,197 cm
3
Fuel
Premium unleaded 95 RON or
regular unleaded 91 RON
1)
Maximum speed
km/h
MG = 250
Acceleration from 0 - 100 km/h
sec.
MG = 6.2
Gross vehicle weight
kg
MG = 2130
Kerb weight (unladen weight)
kg
MG = 1580
Maximum front axle weight
kg
MG = 1105
Maximum rear axle weight
kg
MG = 1145
Trailer with brakes on
gradients up to 8%
kg
MG = 2100
Trailer with brakes on
gradients up to 12%
kg
MG = 1900
Weight of vehicle and
trailer on gradients up to 12%
kg
MG = 4100
Trailer without brakes
kg
MG = 750
LongLife Service
VW 503 00, VW 504 00
Inspection Service
VW 502 00, VW 503 00 VW 504 00
Engine oil capacity
(including filter change)
approx. 6.2 litres
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Performance, weights and dimensions325
Controls
Safety
Driving tips
General maintenance
Self-help
Technical data
Diesel enginesA4 2.0 TDIEngine data
1)
Performance figures
Weights Maximum trailer weights
2)
Engine oil
MG = Manual gearbox / AG = Automatic gearbox1) This engine is available with reduced power for some markets (see
car documentation). The performance figures may be slightly
different.2) The specified trailer weights apply only to vehicles with a factory-
fitted towing bracket.
Power output
105 kW at 4200 rpm
Maximum torque
320 Nm at 1750 - 2500 rpm
Cylinders, capacity
4 cylinders, 1,968 cm
3
Fuel
Diesel
MG
AG
Maximum speed
km/h
215
210
Acceleration from 0 - 100 km/h
sec.
9.4
9.4
MG
AG
Gross vehicle weight
kg
2010
2045
Kerb weight (unladen weight)
kg
1460
1495
Maximum front axle weight
kg
1075
1100
Maximum rear axle weight
kg
1065
1070
MG
AG
Trailer with brakes on
gradients up to 8%
kg
1900
1900
Trailer with brakes on
gradients up to 12%
kg
1700
1700
Weight of vehicle and
trailer on gradients up to 12%
kg
3780
3815
Trailer without brakes
kg
750
750
LongLife Service
VW 506 01, VW 507 00

vehicles with diesel particulate
filter*: only VW 507 00
Inspection Service
VW 505 00, VW 505 01, VW 506 01,
VW 507 00

vehicles with diesel particulate
filter*: only VW 507 00
Engine oil capacity
(including filter change)
approx. 5.0 litres
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Performance, weights and dimensions
326A4 2.7 TDIEngine data
1)
Performance figures
Weights
Maximum trailer weights
2)
Engine oil
AG = automatic gearbox1) This engine is available with reduced power for some markets (see
car documentation). The performance figures may be slightly
different.2) The specified trailer weights apply only to vehicles with a factory-
fitted towing bracket.
Power output
140 kW at 3500 - 4000 rpm
Maximum torque
400 Nm at 1400 - 3250 rpm
Cylinders, capacity
6 cylinders, 2,698 cm
3
Fuel
Diesel
Maximum speed
km/h
AG = 226
Acceleration from 0 - 100 km/h
sec.
AG = 7.7
Gross vehicle weight
kg
AG = 2145
Kerb weight (unladen weight)
kg
AG = 1595
Maximum front axle weight
kg
AG = 1180
Maximum rear axle weight
kg
AG = 1080
Trailer with brakes on
gradients up to 8%
kg
AG = 1900
Trailer with brakes on
gradients up to 12%
kg
AG = 1700
Weight of vehicle and
trailer on gradients up to 12%
kg
AG = 3915
Trailer without brakes
kg
AG = 750
LongLife Service
VW 506 01, VW 507 00

vehicles with diesel particulate fil-
ter*
only VW 507 00
Inspection Service
VW 505 00, VW 505 01, VW 506 01,
VW 507 00

vehicles with diesel particulate
filter*: only VW 507 00
Engine oil capacity
(including filter change)
approx. 6.9 litres
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Performance, weights and dimensions327
Controls
Safety
Driving tips
General maintenance
Self-help
Technical data
A4 3.0 TDI quattroEngine data
Performance figures
Weights
Maximum trailer weights
1)
Engine oil
MG = manual gearbox1) The specified trailer weights apply only to vehicles with a factory-
fitted towing bracket.
Power output
176 kW at 4000 - 4400 rpm
Maximum torque
500 Nm at 1500 - 3000 rpm
Cylinders, capacity
6 cylinders, 2,967 cm
3
Fuel
Diesel
Maximum speed
km/h
MG = 250
(governed)
Acceleration from 0 - 100 km/h
sec.
MG = 6.1
Gross vehicle weight
kg
MG = 2205
Kerb weight (unladen weight)
kg
MG = 1655
Maximum front axle weight
kg
MG = 1180
Maximum rear axle weight
kg
MG = 1140
Trailer with brakes on
gradients up to 8%
kg
MG = 2100
Trailer with brakes on
gradients up to 12%
kg
MG = 1900
Weight of vehicle and
trailer on gradients up to 12%
kg
MG = 4175
Trailer without brakes
kg
MG = 750
LongLife Service
VW 506 01, VW 507 00

vehicles with diesel particulate
filter*: only VW 507 00
Inspection Service
VW 505 00, VW 505 01, VW 506 01,
VW 507 00

vehicles with diesel particulate
filter*: only VW 507 00
Engine oil capacity
(including filter change)
approx. 6.9 litres
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Index333
Controls
Safety
Driving tips
General maintenance
Self-help
Technical data
Supplementary heater . . . . . . . . . . . . 101
Switching on and off . . . . . . . . . . . . . . . 95
Temperature . . . . . . . . . . . . . . . . . . . . . . 96
Deluxe automatic air conditioner plus . . 101 AC mode . . . . . . . . . . . . . . . . . . . . . . . . 107
Air distribution . . . . . . . . . . . . . . . . . . . 106
Air outlets . . . . . . . . . . . . . . . . . . . . . . . 107
Air outlets for rear passengers . . . . . 108
Air recirculation mode . . . . . . . . . . . . 105
Automatic mode . . . . . . . . . . . . . . . . . 103
Automatic recirculation . . . . . . . . . . . 109
Auxiliary heating . . . . . . . . . . . . . . . . . 110
Auxiliary heating - remote control . . . 113
Auxiliary heating - running time . . . . 112
Basic settings . . . . . . . . . . . . . . . . . . . . 109
Blower . . . . . . . . . . . . . . . . . . . . . . . . . . 104
Controls . . . . . . . . . . . . . . . . . . . . . . . . 102
Defrosting . . . . . . . . . . . . . . . . . . . . . . . 106
Description . . . . . . . . . . . . . . . . . . . . . . 101
Economical operation . . . . . . . . . . . . . 108
Heated rear window . . . . . . . . . . . . . . 106
Supplementary heater . . . . . . . . . . . . 110
Switching on and off . . . . . . . . . . . . . . 103
Synchronisation . . . . . . . . . . . . . . . . . . 109
Temperature . . . . . . . . . . . . . . . . . . . . . 104
Diesel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 251
Diesel particulate filter . . . . . . . . . . . . 38, 229 Engine oil . . . . . . . . . . . . . . . . . . . . . . . 257
Digital clock . . . . . . . . . . . . . . . . . . . . . . . . . 13
Digital compass . . . . . . . . . . . . . . . . . . . . . . 71
Digital speedometer . . . . . . . . . . . . . . . . . . 23
Dimensions . . . . . . . . . . . . . . . . . . . . . . . . 320 Dipped headlights . . . . . . . . . . . . . . . . . . . . 57
Defective . . . . . . . . . . . . . . . . . . . . . . . . . 37
DIS See Driver information system . . . . . . . 21
Distance control system See adaptive cruise control . . . . . . . . 128
Door catches/boot lid warning . . . . . . . . . 24
Doors Child-proof catches . . . . . . . . . . . . . . . . 53
Manual locking . . . . . . . . . . . . . . . . . . . . 51
Driver See Sitting position . . . . . . . . . . . . . . . 188
Driver information system . . . . . . . . . . . . . 21 Auto-check control . . . . . . . . . . . . . . . . 30
Bulb monitor . . . . . . . . . . . . . . . . . . . . . 37
CD and radio display . . . . . . . . . . . . . . . 22
Digital speedometer . . . . . . . . . . . . . . . 23
Door catches/boot lid warning . . . . . . . 24
Driver messages . . . . . . . . . . . . . . . . . . 30
On-board computer . . . . . . . . . . . . . . . . 25
Outside temperature display . . . . . . . . 22
Red symbols . . . . . . . . . . . . . . . . . . . . . . 31
Service interval display . . . . . . . . . . . . . 24
Speed warning . . . . . . . . . . . . . . . . . . . . 28
Yellow symbols . . . . . . . . . . . . . . . . . . . 35
Driver messages . . . . . . . . . . . . . . . . . . . . . 30
Driving Run flat tyres . . . . . . . . . . . . . . . . . . . . 275
Driving abroad Headlights . . . . . . . . . . . . . . . . . . . . . . . 59
Unleaded fuel . . . . . . . . . . . . . . . . . . . . 251
Driving away from a standstill . . . . . . . . . 122
Driving away when towing a trailer . . . . 123 Driving on left . . . . . . . . . . . . . . . . . . . . . . . 59
Driving on right . . . . . . . . . . . . . . . . . . . . . . 59
Driving safety . . . . . . . . . . . . . . . . . . . . . . . 187
Driving time . . . . . . . . . . . . . . . . . . . . . . . . . 25
Dust filter
Deluxe automatic air conditioner . . . . . 93
Deluxe automatic air conditioner plus . . 101
DVD player . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Dynamic gear control program . . . . . . . . 166
Dynamic steering . . . . . . . . . 16, 36, 159, 222
EEconomical driving . . . . . . . . . . . . . . . . . . 229
EDL See Electronic differential lock . . . . . . . 19
Electric seat adjustment See Seat adjustment . . . . . . . . . . . . . . . 74
Electric windows . . . . . . . . . . . . . . . . . . . . . 53 Central locking system . . . . . . . . . . . . . 54
Convenience open/close function . . . . 54
Malfunctions . . . . . . . . . . . . . . . . . . . . . . 55
Settings . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Electrical accessories See Electrical socket . . . . . . . . . . . . . . . 88
Electrical socket . . . . . . . . . . . . . . . . . . . 87, 88
Electro-mechanical parking brake . . . . . . 124 Auto release function . . . . . . . . . . . . . 122
Driving away from a standstill . . . . . . 122
Driving away when towing a trailer . . 123
Emergency braking function . . . . . . . 123
Malfunction . . . . . . . . . . . . . . . . . . . . . 123
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