GMC Terrain 2025 - General Information; California Perchlorate Materials Requirements; Accessories and Modifications; Vehicle Checks Doing Your Own Service Work

GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-18552429) - 2025
Vehicle Care 223
General Information
F
o
r 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
ha
ndling 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.
GM Accessories are designed to complement
an
d 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 355.
Vehicle Checks
Doing Your Own Service Work
{ Warning
I
t can be dangerous to work on your vehicle
i
f you do not have the proper knowledge,
service manual, tools, or parts. Always
follow owner’s manual procedures and
consult the service manual for your vehicle
before doing any service work.
Caution
Even small amounts of contamination can
cause damage to vehicle systems. Do not
allow contaminants to contact the fluids,
reservoir caps, or dipsticks.