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 Identi cation
Number (TIN), an alphanumeric
designator which can also
identify the tire manufacturer,
production plant, brand, and date
of production.
GVWR
:Gross Vehicle Weight
Rating. SeeLoading the Vehicle
on page 4-35.
GAWR FRT
:Gross Axle
Weight Rating for the front axle.
SeeLoading the Vehicle on
page 4-35.
GAWR RR
:Gross Axle
Weight Rating for the rear axle.
SeeLoading the Vehicle on
page 4-35.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
:An assigned
number ranging from 1 to 279
that corresponds to the load
carrying capacity of a tire.
Maximum In ation Pressure
:The maximum air pressure
to which a cold tire can be
in ated. The maximum air
pressure is molded onto the
sidewall.
Maximum Load Rating
:The load rating for a tire at the
maximum permissible in ation
pressure for that tire.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).
SeeLoading the Vehicle
on page 4-35.
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.
Service and Appearance Care 5-49
Reporting Safety Defects
to General Motors
In addition to notifying NHTSA (or
Transport Canada) in a situation like
this, please notify General Motors.
Call 1-866-HUMMER6 (486-6376),
or write:
HUMMER Customer Assistance
Center
P.O. Box 33177
Detroit, MI 48232-5177
In Canada, call 1-800-263-3777
(English) or 1-800-263-7854
(French), or write:
General Motors of Canada Limited
Customer Communication Centre
CA1-163-005
1908 Colonel Sam Drive
Oshawa, Ontario L1H 8P7
Service Publications
Ordering Information
Service Manuals
Service Manuals have the diagnosis
and repair information on engines,
transmission, axle suspension,
brakes, electrical, steering, body, etc.
Service Bulletins
Service Bulletins give additional
technical service information needed
to knowledgeably service General
Motors cars and trucks. Each bulletin
contains instructions to assist in the
diagnosis and service of your
vehicle.
Owner Information
Owner publications are written
speci cally for owners and intended
to provide basic operational
information about the vehicle. The
owner manual includes the
Maintenance Schedule for all
models.
In-Portfolio: Includes a Portfolio,
Owner Manual, and Warranty
Booklet.
RETAIL SELL PRICE:
$35.00 (U.S.) plus processing fee
Without Portfolio: Owner
Manual only.
RETAIL SELL PRICE:
$25.00 (U.S.) plus processing fee
Current and Past Model Order
Forms
Technical Service Bulletins and
Manuals are available for current
and past model GM vehicles.
To request an order form, specify
year and model name of the vehicle.
Customer Assistance Information 7-15
