fill up at busy gas st ations where the season al
adjustment is more likely to be made in time .
(D Note
- Meth anol fuels which do not mee t these re-
quirements may ca use corros ion and dam-
age to plastic and rubber components in the
fuel system .
- Do not use fuels that fai l to meet the speci-
fied criter ia in this chapter.
- If you are unable to determine whether or
not a particular fuel blend meets the speci-
ficat ions, ask your service station or its fuel
supplier.
- Do not use fuel for which the contents can-
not be identif ied.
- Fuel system damage and performance prob-
lems resulting from the use of fue ls differ-
ent from those specified are not the respon-
s ibility of Audi and are not covered under
the New Veh icle or the Emiss ion Control
System Wa rrant ies.
- If you experience a loss of fue l 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 ma jor concern among many au t o manufactur -
e rs is carbon deposit build-up caused by the type
of gasoline you use.
Although gasoline gr ades d iffer from one manu -
facturer to ano t her, t hey have cer t ain t hings in
common . All gasoline grades contain substances
that can cause deposits to collect on vita l eng ine
parts, such as fuel injectors and intake valves. Al-
though most gasoline brands include additives to
keep engine and fuel systems clean, they are not
equally effective.
Aud i recommends using TOP TIER Detergent Gas-
oline. For more informat ion on TOP TIER Deter-
gent Gasoline, please go to the official website
(www .toptiergas .com) .
Fuel and Re fueling
After an extended period of using inadeq uate
fuels, carbon deposit bui ld-ups can rob your en-
gine of peak performance.
(D Note
Damage or ma lfunction due to poor fuel qual -
ity is not covered by the Audi New Vehicle
Limited Warranty .
Diesel fuel
Appl ies to vehicles: with diesel engine
Always use ULSD (Ultra Low Sulfur Diesel) No. 2 .
The ULSD No . 2 meets the ASTM 0975.
Diesel fuel w it h concen t ratio ns of biod iesel high-
er than 5 % such as Bl 1, B20 or BlOO are strict ly
prohibited .
Se rvice station fuel pumps are labe led with the
correct fuel info rmat ion for easy recog nition by
the user.
If the d iesel fue l pump is no t labeled
ask the station operator what fuel is being dis-
pensed before fil ling up your vehicle .
ULSD No . 2 m ay not be available ou t side the USA
and Canada . Be su re to check befo re t raveling to
other countries .
ULSD No . 2 can become thic ke r in ve ry cold t em-
peratures, and th is can imp air the engine's st art -
ing and running. Depend ing on the sea son, gas
stations provide ULSD No. 2 that flows better in
cold temperatures so that you can continue oper -
at ing your vehicle as usual.
@ Note
- Your vehicle's diese l engine was designed
soley for use w ith ULSD No. 2 . Therefo re,
neve r use gasoline, heating oil, other fuels
or flow improvers. These contain substances
that will severely damage the fuel system
and the engine . Such damage will not be
cove red by your New Vehicle Limited War-
ra nty.
- If you put a ny amo unt of incorrect fuel in
the fuel tank, do not sta rt the eng ine under
any circumstances. Imme diat ely contact the
ne ar es t a uthor ized Audi dealer or author-
ized Aud i Serv ice Facility for ass istance .
209
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