Buick Limited Warranty and Owner Assistance Information (GMNA-Localiz-
ing-U.S.-14466059) - 2021 - CRC - 3/17/20
Emission Control Systems Warranty
15
The emission warranty on your vehicle is
issued in accordance with the U.S. Federal
Clean Air Act. Defects in material or
workmanship in GM emission parts may
also be covered under the New Vehicle
Limited Warranty Bumper-to-Bumper
coverage. In any case, the warranty with the
broadest coverage applies.
What Is Covered
The Emissions related parts covered under
Federal and California Warranty are listed
under the
How to Determine the Applicable
Emissions Warranty
State and Federal agencies may require a
different emission warranty coverage
depending on:
.
Whether the vehicle conforms to
regulations applicable to light duty or
heavy duty emission control systems.
.
Whether the vehicle conforms to or is
certified for California regulations in
addition to U.S. EPA Federal regulations.
All vehicles are eligible for Federal Emissions
Control Warranty Coverage. If the emissions
control label contains language stating the
vehicle conforms to California regulations,
the vehicle is also eligible for California
Emissions Warranty Coverage.
Federal Emission Control System
Warranty
Federal Emissions Warranty Coverage
.
For Passenger Car or Light Duty Truck
with a Gross Vehicle Weight Rating
(GVWR) of 8,500 lbs. or less
‐
2 years or 24,000 miles, whichever
comes first for Emissions related parts
‐
8 years or 80,000 miles, whichever
comes first for Emissions select
components; catalytic converters,
engine control module, transmission
control module and other diagnostic
emissions critical-electronic control
units.
.
For Heavy Duty Vehicles with a Gross
Vehicle Weight Rating (GVWR) greater
than 8,500 lbs.
‐
5 years or 50,000 miles, whichever
comes first for Emissions related parts
Federal Emission Defect Warranty
GM warrants to the owner the following:
.
The vehicle was designed, equipped and
built to conform at the time of sale with
applicable regulations of the U.S. Federal
Environmental Protection Agency (EPA).
.
The vehicle is free from emissions-defects
in materials and workmanship which
cause the vehicle to fail to conform to
those regulations during the emission
warranty period.
.
Emission-related defects in the genuine
GM parts listed under the Emission
Warranty Parts List, including related
diagnostic costs, parts, and labor are
covered by this warranty.
Federal Emission Performance Warranty
Some states and/or local jurisdictions have
established periodic vehicle Inspection and
Maintenance (I/M) programs to encourage
proper maintenance of your vehicle. If an
EPA approved I/M program is enforced in
your area, you may also be eligible for
Emission Performance Warranty coverage
when all three of the following conditions
are met: