GMC 2010 Sierra Owner's Manual page 410

Tire and Loading Information Label
Label Example
A vehicle specific Tire and Loading Information
label is attached to the center pillar (B-pillar).
With the driver's door open, you will find the
label attached below the door lock post (striker).
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The tire and loading information label shows the
number of occupant seating positions (A), and the
maximum vehicle capacity weight (B) in kilograms
and pounds.
The Tire and Loading Information label also
shows the size of the original equipment tires (C)
and the recommended cold tire inflation
pressures (D). For more information on tires and
inflation see Tires on page 6 70 and Inflation - Tire
Pressure on page 6 80.
There is also important loading information on the
vehicle Certification/Tire label. It tells you the
Gross Vehicle Weight Rating (GVWR) and the
Gross Axle Weight Rating (GAWR) for the front
and rear axles. See Certification/Tire Label later
in this section.