beautypg.com

Buick 2009 Enclave User Manual

Page 314

background image

Maximum Loaded Vehicle
Weight

:

The sum of curb

weight, accessory weight,
vehicle capacity weight, and
production options weight.

Normal Occupant Weight

:

The

number of occupants a vehicle
is designed to seat multiplied by
150 lbs (68 kg). See Loading
the Vehicle
on page 4-16.

Occupant Distribution

:

Designated seating positions.

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
Inflation - Tire Pressure on
page 5-43
and Loading
the Vehicle
on page 4-16.

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
1/16 inch (1.6 mm) of tread
remains. See When It Is Time
for New Tires
on page 5-51.

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 5-54.

5-42

Service and Appearance Care