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- Blend must contain not more than 15%
MTBE.
Seasonally adjusted gasoline
Many gasoline grades are blended to perform
espec ially we ll for winter or summer driving.
During seasonal change-over, we suggest that
you fill up at busy gas stat ions where the sea-
sonal adjustment is more likely to be made in
time .
(D
Note
- Methanol fuels which do not meet these
requirements may cause corrosion and
damage to plastic and rubber compo-
nents in the fuel system .
- Do not use fue ls that fail to meet the
specified criter ia in this chapter.
- If you are unable to determine whether
or not a particular fue l blend meets the
specifications, ask your service station or
its fuel supp lier.
- Do not use fuel for which the contents
cannot be identified.
- Fuel system damage and performance
problems resulting from the use of fuels
different from those specified are not
the responsibility of Audi and are not
covered under the New Vehicle or the
Emission Control System Warranties.
- If you experience a loss of fuel economy
or driveability and performance prob-
lems due to the use of one of these fuel
blends, we recommend that you switch
to unblended fuel.
Gasoline additives
A majo r concern among many auto manufac -
turers is carbon deposit build- up caused by
the type of gasoline you use.
Although gasoline grades differ from one
manufacturer to another , they have certain
things in common. All gasoline grades contain
substances that can cause deposits to collect
on vital engine parts, such as fuel injectors
and intake valves. Although most gasoline
brands include additives to keep engine and
Fuel supply
and filling
your fuel tank
179
fuel systems clean, they are not equally effec -
tive .
Audi recommends using TOP TIER Detergent
Gasoline. For more information on TOP TIER
Detergent Gasoline, please go to the official
website (www.toptiergas.com).
After an extended period of using inadeq uate
fuels, built-up carbon deposits can rob your
engine of peak performance.
Q)
Note
Damage or ma lfunct ion due to poor fue l
quality is not covered by the Audi New Ve-
hicle Limited Warranty.
Fuel tank
Fuel filler neck
The fuel filler neck is located on the right rear
side panel behind the fuel fille r flap.
If the unlocking system should fail, you can
still open the flap manually - for detailed in-
structions see
¢ page
181.
You can find the fuel tank capacity of your ve-
hicle in Technical Data
¢ page
242.
The label on the inside of the fuel filler flap
tells you the correct fue l for your vehicle. For
more information about fuel specifications,
see
¢ page
178.
Your vehicle fue l tank has an on-board refue l-
ling vapor recovery system. This feature helps
to prevent fuel vapors from escaping from the
tank and polluting the environment while you
refuel your vehicle . In order to fill the tank
properly while protecting the environment,
please fo llow this refueling procedure careful-
ly.
_&.
WARNING
Under normal operating conditions, never
carry additional fue l containers in your car.
Gas canisters and other containers used to
transport f uel can be dangero us. Such con-
tainers, full or empty, may leak and could
cause a fire in a collision. If you must
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