Audi TT Coupe 2009 Owner's Manual page 255

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Tires and wheels
-
----------------
Winter tires (snow tires) must always be fitted o
n
all four whee ls.
Com
patible ti re p ressu re monito
r
ing senso
rs
m ust be instal led on
all four wint er tires for the tire pr essure mon itor
i
ng system* to func
-
tion proper ly
=>
page
2
50.
As
k
you
r auth
or ized Aud
i
deal er or
q
ua
lifie
d wo
rk
sho
p for per
m
itte
d
winter tire
sizes. Use only radial winter tires.
W
int er t
ires lose
t hei
r effec
ti
ve ness when
t
he t read
is
w
or
n
do
wn to
a depth of 0. 157 inch (4 mm).
Only dr ive with w inter tires under winter conditions. Summer tires
hand le bet
ter
w
hen the
re is no snow o
r
ice o
n
the
ro
ads and t he
temperature
is above 45 °F (7 °C).
If yo
u
have a flat t
i
re, see
not
es on spa re w heel
=>
page 248.
Please alwa
y
s reme
m
be
r t hat
w
in
te
r
t
i
res
m ay
have a lowe
r
speed
rating than the tires origi nally instal led on you
r
vehic le at t he time
it was
m
anu
f actur
ed
.
Please see
=> page 249, "
Speed rati
ng (lett er
code)" for a list ing of the speed rating lette
r
codes and the
m axi
mu
m
sp
eed
at w
hi ch
th
e
ti res ca
n b
e dr ive
n.
The speed rating letter code(=> pa
g
e 239) is on the side wa ll of the
t
ire
=>
page
248.
&
WARNING
Winter tires have maximum speed limits that may be lower than
your vehicle's maximum
speed.
Always know the maximum speed
before driving off
.
Never drive faster than the speed permitted for
your specific winter tires
.
This will cause damage to the tires
leading to an accident and serious personal injury to you and your
passengers
.
&
WARNING
Driving faster than the maximum speed for which the winter tires
on your vehicle were designed can cause tire failure including a
blowout and sudden deflation
,
loss of control
,
crashes and serious
&
WARNING (continued
)
personal injuries
.
Have worn or damaged tires replaced immed i-
ately.
Winter tires have maximum speed rating that may be lower
than your vehicle'
s
maximum speed.
Never drive faster than the speed for which the winter or other
tires installed on your vehicle are rated
.
&
WARNING
Always adjust your driving to the road and traffi
c
conditions
.
Never let the good acceleration of the winter tires and all-wheel
drive tempt you into taking extra risks. Always remember
:
When braking, an all-wheel drive vehicle handles in the same
way as a front drive vehicle
.
Drive carefully and reduce your speed on icy and slippery roads,
even winter tires cannot help under black ice conditions
.
ci'
For the sake of the environment
Use summer tires when weather conditions permit. They are
q
ui
ete r,
do not
wear as
qui
c kly a
nd
red
uc
e
fu
el cons ump
ti
o
n.
Snow
chains
Snow chains may
be f
itt
ed o
nly to t
he
fro
nt
whe els, and o nly
t
o
certain tire sizes
.
Ask your authorized Audi dealer on which tire
sizes
snow
chain
s ca
n
be
used.
If you are
g
o ing to use snow chains, then you must install them on
the front wheels at least
.
The snow chains
mu
st have low-
pro
fi le links
and m ust not be thick er
than 0.53 inc
h
(13.5 mm), including the
lock.
.,,_
Vehicle care
I
t

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