Audi A6 2015 Owner's Manual page 245

Tires and wheels 243
Tread separation
UTQG information on the tires,
•
means pulling away of the
molded into the sidewalls.
•
'
tread from the tire carcass.
U.S. DOT Tire Identification
Treadwear indicators (TWI)
Number (TIN)
means the projections within
This is the tire 's "serial num-
the principal grooves designed
ber". It begins with the letters
to give a visual indication of the
"DOT" and indicates that the
degrees of wear of the tread.
tire meets all federal stand-
See r=>
page 255, Tread Wear
ards. The next two numbers or
Indicator (TWI)
for more infor-
letters indicate the plant where
mation on measuring tire wear.
it was manufactured, and the
Uniform Tire Quality Grading
last four numbers represent the
week and year of manufacture.
is a tire information system de-
For example,
veloped by the United States
DOT ... 2214 ...
National Highway Traffic Safety
Administration (NHTSA) that is
means that the tire was pro-
designed to help buyers make
duced in the 22nd week of
relative comparisons among
2014. The other numbers are
tires. The UTQG is not a safety
marketing codes that may or
rating and not a guarantee that
may not be used by the tire
a tire will last for a prescribed
manufacturer. This information
number of miles (kilometers) or
is used to contact consumers if
perform in a certain way. It
a tire defect requires a recall.
simply gives tire buyers addi-
Vehicle capacity weight
tional information to combine
means the rated cargo and lug-
with other considerations, such
gage load plus 1
SO
lbs.
as price, brand loyalty and deal-
(68 kilograms) times the vehi-
er recommendations. Under
cle's total seating capacity as
UTQG, tires are graded by the
listed on the label located on
M
tire manufacturers in three
N
0
the driver's side 8-pillar.
<.J
areas: treadwear, traction , and
...
'SI:
,....,
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1.1'1
temperature resistance. The
,....,
1.1'1
,....,