Buick 2011 Lacrosse - Manual (Page 365)

Black plate (53,1) Buick LaCrosse Owner Manual - 2011
Vehicle Care 10-53
Outward Facing Sidewall :
The side of an asymmetrical
tire that has a particular side
that faces outward when
mounted on a vehicle. The
side of the tire that contains a
whitewall, bears white lettering,
or bears manufacturer, brand,
and/or model name molding
that is higher or deeper than
the same moldings on the
other sidewall of the tire.
Passenger (P-Metric) Tire :
A tire used on passenger cars
and some light duty trucks and
multipurpose vehicles.
Recommended Inflation
Pressure
: Vehicle
manufacturer's recommended
tire inflation pressure as
shown on the tire placard.
See Tire Pressure on
page 10‑54 and Vehicle
Load Limits on page 9‑12.
Radial Ply Tire : A pneumatic
tire in which the ply cords that
extend to the beads are laid at
90 degrees to the centerline of
the tread.
Rim : A metal support for a tire
and upon which the tire beads
are seated.
Sidewall : The portion of a tire
between the tread and the bead.
Speed Rating : An
alphanumeric code assigned to
a tire indicating the maximum
speed at which a tire can
operate.
Traction : The friction between
the tire and the road surface.
The amount of grip provided.
Tread : The portion of a tire
that comes into contact with
the road.
Treadwear Indicators : Narrow
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 When It Is Time for New
Tires on page 10‑63.
UTQGS (Uniform Tire
Quality Grading Standards)
:
A tire 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 Uniform Tire Quality
Grading on page 10‑66.