octane AUDI A5 2008 8T / 1.G Owners Manual
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Page 229 of 313
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 310 of 313
Index 308
Steering wheel with tiptronic controls . . .
135
tiptronic mode . . . . . . . . . . . . . . . . . . . 134
NNatural leather . . . . . . . . . . . . . . . . . . . . . 224
Number plate light
Changing bulb . . . . . . . . . . . . . . . . . . . 288OOctane rating . . . . . . . . . . . . . . . . . . . . . . 227
Oil
SeeEngine oil . . . . . . . . . . . . . . . . . . . 234
Oil consumption . . . . . . . . . . . . . . . . . . . . 234
Oil dipstick . . . . . . . . . . . . . . . . . . . . . . . . 234
Oil level . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
On-board computer . . . . . . . . . . . . . . . . . . 25
Opening
Bonnet . . . . . . . . . . . . . . . . . . . . . . . . . 230
Outside temperature display . . . . . . . . . . 21
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9PPaint damage . . . . . . . . . . . . . . . . . . . . . . 222
Paint No. . . . . . . . . . . . . . . . . . . . . . . . . . . 293
Parking . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122
Parking aid
Seeparking system . . . . . . . . . . . . . . . 137
Parking brake . . . . . . . . . . . . . . . . . . . . . . 121
Parking lights . . . . . . . . . . . . . . . . . . . . . . . 59parking system
Adjusting warning beeps . . . . . . . . . . 148
Detection range of reversing camera 144
Front and rear, with display . . . . . . . . 138
Front and rear, with display and reversing
camera . . . . . . . . . . . . . . . . . . . . . . . . 140
General notes . . . . . . . . . . . . . . . . . . . 137
Note on distances . . . . . . . . . . . . . . . . 151
Notes on acoustic parking aid . . . . . . 152
Notes on reversing camera . . . . . . . . 152
Parking next to an obstacle . . . . . . . . 150
Rear . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137
Reversing camera (Rear View) . . . . . . 143
Reversing camera, parking mode 1 . 145
Reversing camera, parking mode 2 . 146
Special parking situations . . . . . . . . . 150
Switching graphic display on and off 149
Switching reversing camera on and off . .
149
Towing bracket . . . . . . . . . . . . . . . . . . 147
Parking the car
multitronic® . . . . . . . . . . . . . . . . . . . . 130
Particulate filter
SeeDiesel particulate filter . . . . . . . . 205
Passengers
SeeSitting position . . . . . . . . . . . . . . . 165
Pedals . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167
Performance figures
SeePerformance, weights and
dimensions . . . . . . . . . . . . . . . . . . . . 295
Performance, weights and dimensions . 295
General notes . . . . . . . . . . . . . . . . . . . 292
Petrol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 227Polishing . . . . . . . . . . . . . . . . . . . . . . . . . . 221
Pollen filter
Deluxe automatic air conditioner . . . . 93
Deluxe automatic air conditioner plus . . .
101
Pollution filter
Deluxe automatic air conditioner . . . . 93
Deluxe automatic air conditioner plus . . .
101
Power management . . . . . . . . . . . . . . . . . 202
Battery power . . . . . . . . . . . . . . . . . . . 204
Driver message . . . . . . . . . . . . . . . . . . 204
Power steering . . . . . . . . . . . . . . . . . . . . . 201
QQuartz clock . . . . . . . . . . . . . . . . . . . . . . . . . 13
quattro
SeeFour-wheel drive . . . . . . . . . . . . . . 201RRadio transmitters . . . . . . . . . . . . . . . . . . 251
Fixed installation . . . . . . . . . . . . . . . . . 251
Mobile equipment . . . . . . . . . . . . . . . . 251
Radio-controlled clock . . . . . . . . . . . . . . . . 13
Rain sensor . . . . . . . . . . . . . . . . . . . . . . . . . 62
Rain sensor defective . . . . . . . . . . . . . . . . . 35
Reading lights
Front . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Rear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Rear centre console
Socket . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
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