GMC Terrain 2025 - Page 255

GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-18552429) - 2025
254 Vehicle Care
DOT Markings
:
A code molded into the
sidewall of atire signifying that the tire
is in compliance with the U.S. Department
of Transportation (DOT) Motor Vehicle
Safety Standards. The DOT code includes
the Tire Identification Number (TIN), an
alphanumeric designator which can also
identify the tire manufacturer, production
plant, brand, and date of production.
GVWR : Gross Vehicle Weight Rating. See
Vehicle Load Limits 3160.
GAWR FRT : Gross Axle Weight Rating for
the front axle. See Vehicle Load Limits
3160.
GAWR RR : Gross Axle Weight Rating for
the rear axle. See Vehicle Load Limits 3 160.
Intended Outboard Sidewall : The side of
an asymmetrical tire, that must always
face outward when mounted on avehicle.
Kilopascal (kPa) : The metric unit for
air pressure.
Light Truck (LT-Metric) Tire : A tire used on
light duty trucks and some multipurpose
passenger vehicles.
Load Index : A
n assigned number ranging
from 1to 279 that corresponds to the load
carrying capacity of atire.
Maximum Inflation Pressure : The
maximum air pressure to which acold tire
can be inflated. The maximum air pressure
is molded onto the sidewall.
Maximum Load Rating : The load rating
for atire at the maximum permissible
inflation pressure for that tire.
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 :
V
ehicle manufacturer's recommended tire
inflation pressure as shown on the tire
placard. See Tire Pressure 3 255 and Vehicle
Load Limits 3160.
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.