2008 AUDI A5 fuel filter

4WD octane seat adjustment open hood sport mode spare wheel

Page 37 of 313

AUDI A5 2008 8T / 1.G Owners Manual Driver information system35
Controls
Safety
Driving tips
General maintenance
Self-help
Technical data
Note
On some models the speed limit warning 1
 and speed limit
warning 2
 will also be di

Driver information system35
Controls
Safety
Driving tips
General maintenance
Self-help
Technical data
Note
On some models the speed limit warning 1
 and speed limit
warning 2
 will also be displayed as yellow symbols. These always
appear as a small symbol at the top of the display ⇒page 28.
Applies to vehicles: with advanced keyKey not in vehicle

 Key not in vehicle
This message will appear together with the symbol
 if the remote
control key is removed from the vehicle while the engine is running.
This is to remind you not to continue driving without the key (for
example if you change drivers).
If the remote control key is not in the vehicle you will not be able to
switch on the ignition or restart the engine after it has been
switched off. You will also not be able to lock the vehicle from the
outside.
Light sensor/ rain sensor defective

 Automatic headlights/ automatic wipers defective
If the  symbol appears, this means that the light sensor/ rain
sensor is not functioning. For safety reasons, the dipped beam
headlights will then be switched on permanently when the light
switch is set to the AUTO position. However, you can still switch the
lights on and off in the normal way with the light switch. If the rain
sensor is defective, the functions operated via the windscreen wiper
lever will still be available. You should have the light sensor/ rain
sensor checked by a qualified workshop as soon as possible.

Brake pads worn
⇒page 36

Battery power*
⇒page 36

Bulb monitor*
Bulb failure*
⇒page 36

Check engine oil level
⇒page 37

Engine oil sensor defective
⇒page 37

Fuel level low
⇒page 36

Washer fluid level low*
⇒page 36

advanced key*
Key not in vehicle
⇒page 35

Light sensor/ rain sensor defec-
tive
⇒page 35

Diesel particulate filter*
obstructed
⇒page 37

Dynamic headlight range con-
trol* defective
⇒page 37

Battery in remote control key
⇒page 40

Electro-mechanical
parking brake
⇒page 123

adaptive light* defective
⇒page 37

Ignition lock defective
⇒page 37

Windscreen wiper defective
⇒page 38
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Page 39 of 313

AUDI A5 2008 8T / 1.G Owners Manual Driver information system37
Controls
Safety
Driving tips
General maintenance
Self-help
Technical data Message comes on and does not go out
If the message appears in the display after the ignition is s

Driver information system37
Controls
Safety
Driving tips
General maintenance
Self-help
Technical data Message comes on and does not go out
If the message appears in the display 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.
Check engine oil level

 Please check oil level
If the  symbol lights up, check the engine oil level as soon as
possible ⇒page 234. Top up the oil at the next opportunity
⇒page 234.
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 234.
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 process 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 205.
WARNING
It is essential that you adjust your speed to suit the weather, road,
terrain and traffic conditions. The recommended driving speed
must never lead to the driver disregarding the traffic regulations.Applies to vehicles: with dynamic headlight range controlHeadlight range control defective

 Headlight range control defective
This symbol
 indicates a malfunction in the dynamic headlight
range control. Take the vehicle to a qualified workshop to have the
dynamic headlight range control function repaired.
Applies to vehicles: with adaptive lightadaptive light defective

 adaptive light defective
This symbol
 indicates that the adaptive light is defective. Take
the vehicle to a qualified workshop to have the headlights and/or
the control unit for the adaptive light repaired.
Ignition lock defective


Ignition lock defective
If the symbol

lights up in the display, there is a malfunction in
the electronic ignition lock. Take the vehicle to a qualified workshop
to have the problem remedied.
document_0900452a8179700c.book Seite 37 Donnerstag, 22. März 2007 10:19 10

Page 207 of 313

AUDI A5 2008 8T / 1.G Owners Manual Your vehicle and the environment205
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 o

Your vehicle and the environment205
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 37.
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 agents in the area around the
exhaust system - fire hazard!
Driving abroadChanging over headlight dip settings
The asymmetric low beams of the headlights are designed to light
up the near side of the road more intensely. If you drive in a country
where traffic drives on the opposite side of the road to the home
country, this will dazzle oncoming traffic.
Headlights with halogen bulbs: To avoid dazzling oncoming traffic
you can apply opaque stickers to certain parts of the headlight
lenses.
Headlights with xenon gas-discharge bulbs*: The headlight dip
settings must be changed to avoid dazzling oncoming traffic. For
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Page 229 of 313

AUDI A5 2008 8T / 1.G Owners Manual Fuel and filling the tank227
Controls
Safety
Driving tips
General maintenance
Self-help
Technical data
Fuel and filling the tankPetrolApplies to vehicles: with petrol enginePetrol grade
The correct gr

Fuel and filling the tank227
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 295, “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 295, “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. Avoid using full 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 use 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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Page 297 of 313

AUDI A5 2008 8T / 1.G Owners Manual Performance, weights and dimensions295
Controls
Safety
Driving tips
General maintenance
Self-help
Technical data
Performance, weights and dimensionsPetrol enginesA5 3.2 FSIEngine data
Performance figu

Page 298 of 313

AUDI A5 2008 8T / 1.G Owners Manual Performance, weights and dimensions 296A5 3.2 FSI quattroEngine data
Performance figures
Weights
Maximum trailer weights
2)
Engine oil
MG = manual gearbox1) With slight loss of power2) The specified t

Page 299 of 313

AUDI A5 2008 8T / 1.G Owners Manual Performance, weights and dimensions297
Controls
Safety
Driving tips
General maintenance
Self-help
Technical data
Diesel enginesA5 2.7 TDIEngine data
Performance figures
Weights
Maximum trailer weights

Page 300 of 313

AUDI A5 2008 8T / 1.G Owners Manual Performance, weights and dimensions 298A5 3.0 TDI quattroEngine data
Performance figures
Weights
Maximum trailer weights
1)
Engine oil
MG = manual gearbox1) The specified trailer weights apply only to

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