Publication Ordering Information; Radio Frequency Statement; States Government - GMC Sierra 2500 HD 2023 Owner's Manual

404 Customer Information
with that company. In such cases, you can
have control of the repair and parts choices
as long as the cost stays within reasonable
limits.

Publication Ordering Information

Service Manuals
Service manuals have the diagnosis and
repair information on the engine/propulsion,
transmission, axle, suspension, brakes,
electrical system, steering system, body, etc.
Customer Literature
Owner s manuals are written specifically for
owners and are intended to provide basic
operational information about the vehicle.
The owner s manual includes the
Maintenance Schedule for all models.
Customer literature publications available for
purchase include owner s manuals, warranty
manuals, and portfolios. Portfolios include an
owner s manual, warranty manual,
if applicable, and zip lock bag or pouch.
Current and Past Models
Service manuals and customer literature are
available for many current and past model
year GM vehicles.
To order, call 1-800-551-4123 Monday Friday,
8:00 a.m. 6:00 p.m. Eastern Time
For credit card orders only (VISA,
MasterCard, or Discover), see Helm, Inc. at:
www.helminc.com.
To order by mail, write to:
Helm, Incorporated
Attention: Customer Service
47911 Halyard Drive
Plymouth, MI 48170
Make checks payable in U.S. funds.

Radio Frequency Statement

This vehicle uses license-exempt
transmitters / receivers / systems that
operate on a radio frequency that complies
with Part 15/Part 18 of the Federal
Communications Commission (FCC) rules and
with Innovation, Science and Economic
Development (ISED) Canada's license-exempt
RSS(s) / RSP-100 / ICES-GEN.
Operation is subject to the following two
conditions:
1. The device may not cause harmful
interference.
2. The device must accept any interference
received, including interference that may
cause undesired operation of the device.
Changes or modifications to any of these
systems by other than an authorized service
facility could void authorization to use this
equipment.
Reporting Safety Defects
Reporting Safety Defects to the
United States Government
If you believe that your vehicle has a
defect which could cause a crash or
could cause injury or death, you should
immediately inform the National
Highway Traffic Safety Administration
(NHTSA) in addition to notifying General
Motors.
If NHTSA receives similar complaints, it
may open an investigation, and if it
finds that a safety defect exists in a
group of vehicles, it may order a recall
and remedy campaign. However, NHTSA
cannot become involved in individual
problems between you, your dealer,
or General Motors.