General Information; California Perchlorate Materials; Requirements; Accessories And Modifications - GMC HUMMER EV 2023 Owner's Manual

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.
Damage to suspension components caused
by modifying vehicle height outside of
factory settings will not be covered by the
vehicle warranty.
Damage to vehicle components resulting
from modifications or the installation or use
of non-GM certified parts, including control
module or software modifications, is not
covered under the terms of the vehicle
warranty and may affect remaining
warranty coverage for affected parts.
Vehicle Care
GM Accessories are designed to complement
and function with other systems on the
vehicle. See your dealer to accessorize the
vehicle using genuine GM Accessories
installed by a dealer technician.
Also, see Adding Equipment to the
Airbag-Equipped Vehicle 0 61.

Vehicle Checks

Doing Your Own Service Work

Warning
Never try to do your own service on high
voltage battery components. You can be
injured and the vehicle can be damaged if
you try to do your own service work.
Service and repair of these high voltage
battery components should only be
performed by a trained dealer technician
with the proper knowledge and tools.
Exposure to high voltage can cause shock,
burns, and even death. The high voltage
components in the vehicle can only be
serviced by technicians with special
training.
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