General Information; Requirements; Accessories And Modifications - GMC Sierra 2500 HD 2023 Owner's Manual

302 Vehicle Care
Towing the Vehicle
Transporting a Disabled Vehicle . . . . . . . 370
Recreational Vehicle Towing . . . . . . . . . . . 371
Appearance Care
Exterior Care . . . . . . . . . . . . . . . . . . . . . . . . . . 374
Interior Care . . . . . . . . . . . . . . . . . . . . . . . . . . . 379
Floor Mats . . . . . . . . . . . . . . . . . . . . . . . . . . . . 382

General Information

For service and parts needs, visit your
dealer. You will receive genuine GM parts
and GM-trained and supported service
people.
Genuine GM parts have one of these marks:
California Perchlorate Materials

Requirements

Certain types of automotive applications,
such as airbag initiators, seat belt
pretensioners, and lithium batteries
contained in electronic keys, may contain
perchlorate materials. Perchlorate Material
special handling may apply. See
www.dtsc.ca.gov/hazardouswaste/
perchlorate.

Accessories and Modifications

Adding non-dealer accessories or making
modifications to the vehicle can affect
vehicle performance and safety, including
such things as airbags, braking, stability,
ride and handling, emissions systems,
aerodynamics, durability, Driver Assistance
Systems, and electronic systems like antilock
brakes, traction control, and stability control.
These accessories or modifications could
even cause malfunction or damage not
covered by the vehicle warranty.