2021 Audi A4 / S4 — Owner's Manual – Page #220

Posted on 12 Oct, 2020
Model: 2021 Audi A4 / S4
Pages: 304


File size: 108 MB

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Checking
and
Filling
corrosion
damage
and
damage
to
plastic
or
rubber
components
in
the
fuel
system.
Do
not
use
gasoline
that
does
not
meet
the
specifications.
If
you
are
unable
to
find
out
if
a
specific
gas-
oline
mixture
meets
the
specifications,
ask
the
gas
station
operator
or
their
fuel
suppli-
er.
Do
not
use
any
gasoline
mixture
whose
composition
cannot
be
identified.
Audi
does
not
assume
any
responsibility
for
damage
to
the
fuel
system
or
for
perform-
ance
problems
caused
by
using
gasoline
mixtures
different
from
those
specified.
This
type
of
damage
also
does
not
fall
under
the
New
Vehicle
Limited
Warranty
or
under
the
emissions
control
system
warranty.
If
you
notice
a
higher
fuel
consumption
or
poor
handling
or
performance
problems
due
to
such
gasoline mixtures,
Audi
recom-
mends
fueling
with
unblended
gasoline.
Gasoline
additives
An
important
issue
for
many
automobile
manu-
facturers
is
combustion
residue
in
the
engine
that
results
from
the
use
of
certain
fuels.
Although
types
of
gasoline
differ
depending
on
the
manufacturer,
there
are
similarities.
Certain
substances
in
the
gasoline
may
cause
deposits
in
the
engine.
Additives
in
the
gasoline
that
should
keep
the
engine
and
fuel
system
clean
do
not
all
function
equally.
Audi
recommends
using
TOP
TIER
Detergent
Gas-
oline.
For
additional
information
on
TOP
TIER
De-
tergent
Gasoline,
visit
www.toptiergas.com.
If
you
use
incorrect
fuels
over
a
long
period
of
time,
the
maximum
engine
performance
may
be
impaired
by
combustion
residue.
@
Note
Damage
or
malfunctions
caused
by
the
use
of
incorrect
types
of
gasoline
are
not
cov-
ered
by
the
New
Vehicle
Limited
Warranty.
Only
gasoline
additives
that
have
been
ap-
proved
by
Audi
may
be
used.
218
Refueling
Messages
FA
tank
system:
malfunction!
Please
contact
Service
There
is
a
malfunction
in
the
fuel
tank
system.
Drive
to
an
authorized
Audi
dealer
or
authorized
Audi
Service
Facility
immediately
to
have
the
malfunction
corrected.
Fueling
procedure
Fig.
153
Right
rear
side
of
the
vehicle:
opening
the
fuel
filler
door
Fig.
154
Fuel
filler
door
with
attached
fuel
cap
The
fuel
filler
door
is
unlocked
or
locked
by
the
central locking
system.
>
Unlock
the
vehicle
if
necessary.
>
Press
on
the
left
side
of
the
fuel
filler
door
to
open
it
>
fig.
153.
>
Unscrew
the
tank
cap
counterclockwise.
>
Place
the
cap
from
above
on
the
open
fuel
filler
door
>
fig.
154.
>
Insert
the
fuel
pump
nozzle
all
the
way
into
the
fuel
filler
neck.
>
Begin
fueling.
Once
the
fuel
pump
nozzle
turns
off
the
first
time,
the
fuel
tank
is
full.
Donot
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