Buick LaCrosse Owner's Manual page 309

The portion of a tire
between the tread and the bead.
An
alphanumeric code assigned to
a tire indicating the maximum
speed at which a tire can
operate.
The friction between
the tire and the road surface.
The amount of grip provided.
The portion of a tire that
comes into contact with
the road.
bands, sometimes called wear
bars, that show across the tread
of a tire when only 1.6 mm
(1/16 in) of tread remains. See
.
information system that provides
consumers with ratings for a
tire's traction, temperature, and
treadwear. Ratings are
determined by tire
manufacturers using
government testing procedures.
The ratings are molded into the
sidewall of the tire. See
number of designated seating
positions multiplied by
68 kg (150 lb) plus the rated
cargo load. See
Narrow
Load on an individual tire
due to curb weight, accessory
weight, occupant weight, and
cargo weight.
permanently attached to a
A tire
vehicle showing the vehicle
capacity weight and the original
equipment tire size and
.
The
.
A label
recommended inflation pressure.
See Tire and Loading
Information Label under
Tires need the correct amount of
air pressure to operate
effectively.
.