Tire Pressure Monitoring System - Audi R8 Spyder 2012 Owner's Manual

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200
Tires and wheels
conditions. Ask your authorized Audi dea ler
for more details.
The low aspect ratio of these tires is indicated
by a numeral of 55 or less in the tire's size
designation. The numera l represents the ratio
of the tire's sidewall height in relation to its
tread width expressed in percentage.
Conven-
tional tires have a height/width
ratio of 60 or
more.
The performance of low-aspect -ratio tires is
particularly sensitive to improper inflation
pressure. It is therefore important that low
aspect ratio tires are inflated to the specified
pressure and that the inflation pressure is reg -
ularly checked and maintai ned. Tire pressures
should be checked at least once a month and
a lways befo re a long t rip
~ page 189, Check-
ing tire pressure.
What you can do to avoid tire and rim
damage
Low aspect ratio tires can be damaged more
eas ily by impact with potholes, curbs, gu llies
or ridge5 on the road, particu larly if the tire i5
underinflated.
In order to minimize the occurrence of impact
damage to the tires of your vehicle, we recom-
mend that you observe the following precau-
tions:
- Always maintain recommended
inflation
pressures. Check your tire pressure every
2.000 miles (3.000 km) and add air if neces-
sary .
- Drive carefully on roads w ith potholes, deep
gullies or ridges. The impact from driving
through or over such obstacles can damage
your tires. Impact with a curb may also
cause damage to your tires.
- After any impact, immediately inspect your
tires or have them inspected by the nearest
authori zed Aud i dealer. Rep lace a damaged
t ire as soon as possible.
- Inspect your tires every 2.000 miles (3.000
km) for damage and wear . Damage is not al-
ways easy to see. Damage can lead to loss of
air and underinflation,
wh ich could eventu -
ally cause t ire failure . If you believe that a
tire may have been damaged, rep lace the
tire as soon as possible.
- These tires may wear more quickly than oth-
ers.
- Please also remember that, while these tires
delive r responsive handling, they may ride
less comfortably and make more noise than
other choices .
Reduced performance in winter/cold
season conditions
All tires are designed for certain purposes.
The low aspect ratio, ultra high performance
t ires or iginally installed on your vehicle are in-
tended for maximum dry and wet road per-
formance and handling . They are not suitable
for cold, snowy or icy weather conditions . If
you drive under those circu mstances, you
should equ ip your vehicle with winter tires,
which offer better traction unde r those condi-
tions . We suggest you use the recommended
snow tires specified for your vehicle, or their
equivalent.
Refer to ~
poge 197
for more detailed infor-
mation regarding winter tires .
Ti re pressure
monitoring
system
General notes
Each tire, including the spare (if provided),
shou ld be checked mon th ly when cold and in-
flated to the inflat ion pressure recommended
by the vehicle manufacturer
on the vehicle
placard or tire inflation pressure labe l (If your
vehicle has tires of a different size than the
s ize indicated on the vehicle placard or tire in-
flat ion pressure label, you should determine
the proper t ire inflation pressure for those
t ires .).
As an added safety feature, your vehicle has
been equipped with a tire pressure monitoring
system (TPMS) that illum inates a low tire
pressure telltale when one or more of your
tires is significantly unde r-inflated. Accord ing-
ly, when the low tire pressure telltale illum i-
nates, you shou ld stop and check you r tires as
Ill>-

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