2021 Audi A4 / S4 — Owner's Manual – Page #231

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


File size: 108 MB

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8W1012721BC
Checking
and
Filling
Coolant
loss
usually
indicates
that
there
is
a
leak.
Immediately
drive
your
vehicle
to
an
authorized
Audi
dealer
or
authorized
Audi
Service
Facility
and
have
the
cooling
system
inspected.
If
the
cooling
system
is
not
leaking,
coolant
loss
can
re-
sult
from
the
coolant
boiling
due
overheating
and
then
being
forced
out
of
the
cooling
system.
A
WARNING
The
engine
compartment
in
any vehicle
is
a
potentially
dangerous
area.
Stop
the
engine,
switch
the
ignition
off,
and
allow
the
engine
to
cool
before
working
in
the
engine
com-
partment.
Always
follow
the
information
found
in
>
page
221,
General
information.
Never
open
the
hood
if
you
can see
or
hear
steam
or
coolant
escaping
from
the
engine
compartment.
This
increases
the
risk
of
burns.
The
cooling
system
is
under
pressure.
When
you
no
longer
see
or
hear
steam
or
coolant
escaping,
you
may
open
the
engine
compartment
with
caution.
When
working
in
the
engine
compartment,
remember
that
the
radiator
fan
can
switch
on
even
if
the
ignition
is
switched
off,
which
increases
the
risk
of
injury.
Coolant
additive
and
coolant
can
be
danger-
ous
to
your
health.
For
this
reason,
store
the
coolant
in
the
original
container
and
away
from
children.
There
is
a
risk
of
poisoning.
®
Note
Do
not
continue
driving
if
the
coolant
expan-
sion
tank
is
empty.
Do
not
add
any
coolant,
because
air
could enter
the
cooling
system
and
damage
the
engine.
See
an
authorized
Audi
dealer
or
authorized
Audi
Service
Facility
for
assistance.
Brake
fluid
BFV-0229]
Fig.
162
Engine
compartment:
cap
on
brake
fluid
reservoir
Observe
the
safety
precautions
>
page
221,
Gen-
eral
information.
Checking
the
brake
fluid level
The
brake
fluid
reservoir
is
located
under
a
cover
on
the
driver’s
side.
>
Lift
the
cover
>
page
223,
fig.
159
at
both
openings
and
remove
it.
>
Read
the
brake
fluid
level on
the
brake
fluid
res-
ervoir
>
page
223,
fig.
159.
The brake
fluid
lev-
el
must
be
between
the
MIN
and
MAX
markings
of.
The
brake
fluid
level
is
monitored
automatically.
Messages
EG
/
@
Brakes:
stop
vehicle
and
check
brake
fluid level
Stop
the
vehicle
and
check
the
brake
fluid
level.
See
an
authorized
Audi
dealer
or
authorized
Audi
Service
Facility
for
assistance.
Changing
the
brake
fluid
Brake
fluid
should
be
changed
at
regular
inter-
vals.
Have
the
brake
fluid
changed
by
an
author-
ized
Audi
dealer
or
authorized
Audi
Service
Facili-
ty.
The
authorized
Audi
dealer
or
authorized
Audi
Service
Facility
will
inform
you
of
the
replace-
ment
intervals.
Z\
WARNING
If
the
brake
fluid
level
is
below
the
MIN
marking,
it
can
impair
the
braking
effect
and
driving
safety,
which
increase
the
risk
of
an
229

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