2020 Audi Q7 — Owner's Manual – Page #265

Posted on 16 Feb, 2020
Model: 2020 Audi Q7
Pages: 316


File size: 114 MB

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4M1012721BA
Wheels
an
authorized
Audi
dealer
or
authorized
Audi
Service
Facility.
Low-profile
tires
can
wear
out
faster
than
stand-
ard
tires.
Uniform
tire
quality
grading
Tread
wear
Traction
AAABC
Temperature
ABC
Quality
grades
can
be
found
where
applicable
on
the
tire
side
wall
between
tread
shoulder
and
maximum
section
width
>
page
247,
fig.
172.
For
example:
Tread
wear
200,
Traction
AA,
Tem-
perature
A.
All
passenger
car
tires
must
conform
to
Federal
Safety
Requirements
in
addition
to
these
grades.
Tread
wear
The
tread
wear
grade
is
a
comparative
rating
based
on
the
wear
rate
of
the
tire
when
tested
under
controlled
conditions
on
a
specified
gov-
ernment
test
course.
For
example,
a
tire
graded
150
would
wear
one
and
one
half
(1
1/2)
times
as
well
on
the
govern-
ment
course
as
a
tire
graded
100.
The
relative
performance
of
tires
depends
upon
the
actual
conditions
of
their
use,
however,
and
may
depart
significantly
from
the
norm
due
to
variations
in
driving
habits,
service
practices
and
differences
in
road
characteristics
and
climate.
Traction
The
traction
grades,
from
highest
to
lowest,
are
AA,
A,
Band
C.
Those
grades
represent
the
tire's
ability
to
stop
on
wet
pavement
as
measured
un-
der
controlled
conditions
on
specified
govern-
ment
test
surfaces
of
asphalt
and
concrete.
A
tire
marked
C
may
have
poor
traction
performance
oA.
Temperature
The
temperature
grades
are
A
(the
highest),
B,
and
C,
representing
the
tire's
resistance
to
the
generation
of
heat
and
its
ability
to
dissipate
heat
when
tested
under
controlled
conditions
on
a
specified
indoor
laboratory
test
wheel.
Sustained
high
temperature
can
cause
the
mate-
rial
of
the
tire
to
degenerate
and
reduce
tire
life,
and
excessive
temperature
can
lead
to
sudden
tire
failure
>
A\.
The
grade
C
corresponds
to
a
Level
of
perform-
ance
which
all
passenger
car
tires
must
meet
un-
der the
Federal
Motor
Vehicle
Safety
Standard
No.
109.
Grades
B
and
A
represent
higher
Levels
of
performance
on
the
laboratory
test
wheel
than
the
minimum
required
by
law.
Z\
WARNING
The
traction
grade
assigned
to
this
tire
is
based
on
straight-ahead
braking
traction
tests,
and
does
not
include
acceleration,
cor-
nering,
hydroplaning
or
peak
traction
charac-
teristics.
ZX
WARNING
The
temperature
grade
for
this
tire
is
estab-
lished
for
a
tire
that
is
properly
inflated
and
not
overloaded.
Excessive
speed,
underinfla-
tion,
or
excessive
loading,
either
separately
or
in
combination,
can
cause
heat
buildup
and
possible
tire
failure.
ZA\
WARNING
Temperature
grades
apply
to
tires
that
are
properly
inflated
and
not
over
or
underinflat-
ed.
Tire
pressure
monitoring
system
(1)
General
notes
Each
tire,
including
the
spare
(if
provided),
should
be
checked
monthly
when
cold
and
inflat-
ed
to
the
inflation
pressure
recommended
by
the
vehicle
manufacturer
on
the
vehicle
placard
or
tire
inflation
pressure
label.
(If
your
vehicle
has
tires
of
a
different
size
than
the
size
indicated
on
the
vehicle
placard
or
tire
inflation
pressure
la-
bel,
you
should
determine
the
proper
tire
infla-
tion
pressure
for
those
tires).
263

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