2021 Audi A4 / S4 — Owner's Manual – Page #268

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


File size: 108 MB

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Emergency
assistance
The
wheel
bolts
must
be
clean
and
loosen
and
tighten
easily.
Check
the
contact
surfaces
for
the
wheel
and
hub.
Contaminants
on
these
surfaces
must
be
removed
before
installing
the
wheel.
ZA\
WARNING
Read
and
follow
the
important
information
and
notes
under
>
page
242.
Never
use
the
hex
socket
in
the
screwdriver
handle
or
the hex
socket
wrench
with
the
ratchet
to
loosen
or
tighten
the
wheel
bolts.
This
increases
the
risk of
an
accident,
be-
cause
you
will
not
be
able
to
achieve
the
cor-
rect
tightening
specification.
@)
Note
When
removing
or
installing
the
wheel,
the
rim
could
hit
the
brake
rotor
and
damage
the
rotor.
Work
carefully
and
have
a
second
per-
son help
you.
Unidirectional
tires
A
unidirectional
tire
profile
is
identified
by
arrows
on
the
tire
sidewall
that
point
in
the
running
di-
rection.
You
must
always
maintain
the
specified
running
direction.
This
is
necessary
to
ensure
the
tire's
optimal
performance
in
regard
to
adhesion,
running
noise,
and
friction,
and
to
reduce
the
risk
of
hydroplaning.
To
benefit
fully
from
the
advantages
of
the
uni-
directional
tire
design,
you
should
replace
faulty
tires
as
soon
as
possible
and restore
the
correct
running
direction
on
all
of
the
tires.
>
Reinstall
the
caps
on
the
wheel
bolts
if
necessa-
ry.
>
Store
the
vehicle
tool
kit
in
its
designated
place.
>
If
the
removed
wheel
does
not
fit
in
the
spare
wheel
well,
store
it
securely
in
the
luggage
compartment
>
page
83.
>
Check
the
tire
pressure
on
the
installed
wheel
as
soon
as
possible.
>
Correct
the
tire
pressure
and
store
it
in
the
MMI
=>
page
254.
266
>
The
wheel
bolt
tightening
specification
must
be
90
ft
lbs
(120 Nm). Have
it
checked
as
soon
as
possible
with
a
torque
wrench.
Drive
carefully
until
then.
>
Have
the
faulty
wheel
replaced
as
quickly
as
possible.
Space-saving
spare
tire
Applies
to:
vehicles
with
space-saving
spare
tire
(Compact
spare
tire)
The
spare
tire
is
intended
for
short-term
use
only.
Have
the
damaged
tire
checked
and
replaced
if
necessary
by an
authorized
Audi
dealer
or
author-
ized
Audi
Service
Facility
as
soon
as
possible.
There
are
some
restrictions
on
the use
of
the
compact
spare
tire.
The
compact
spare
tire
has
been
designed
specifically
for
your
type
of
vehi-
cle.
Do
not
replace
it
with
the
spare
tire
from
an-
other
type
of
vehicle.
The
compact
spare
tire
is
located
in
the
luggage
compartment
under
the
cargo
floor
cover
=>
page
261.
The
tire
pressure
must
be
adjusted
to
a
specified
value
listed
on
the
tire
pressure
sticker
=>
page
245,
fig.
168.
Snow
chains
For
technical
reasons,
the use
of
snow
chains
on
the
compact
spare
tire
is
not
permitted.
If
you
have
to
drive
with
snow
chains
and
a
front
tire
fails,
mount
the
spare
tire
in
place
of
a
rear
tire.
Install
the
snow
chains
on
the
rear
tire
that
you
removed,
and
install
that
in
place
of
the
front
tire
that
failed.
ZA\
WARNING
After installing
a
spare
tire,
the
tire
pressure
must
be
checked
as
soon
as
possible.
Do
not
drive
faster
than
SO
mph
(80
km/h)
with
a
compact
spare
tire.
Driving
faster
than
that
increases
the
risk of
an
accident.
To
reduce
the
risk
of
an
accident,
avoid
hard
acceleration
or
braking
and
driving
fast
around
curves
with
the
compact
spare
tire.
To
reduce
the
risk
of
an
accident,
never
drive
with
more
than
one
compact
spare
tire.
>

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