Buick Limited Warranty and Owner Assistance Information (GMNA-Localiz-
ing-U.S.-10999171) - 2018 - crc - 7/31/17
New Vehicle Limited Warranty 9
Damage Due to Insufficient or
Improper Maintenance
Damage caused by failure to follow
the recommended maintenance
schedule intervals and/or failure to
use or maintain proper fluids,
or maintain fluids between
recommended maintenance
intervals, fuel, lubricants,
or refrigerants recommended in the
owner manual is not covered.
Damage Due to Contaminated,
Improper, or Poor Quality Fuel
Poor fuel quality or incorrect fuel
may cause driveability problems
such as hesitation, lack of power,
stalling, or failure to start. They may
also degrade functionality of critical
exhaust emissions components
such as spark plugs, oxygen
sensors, and the catalytic converter.
Damage from poor fuel quality,
water contamination, or if the
vehicle requires premium fuel,
operating the vehicle on gasoline
with a Pump Octane less than a 91
(R+M)/2, may not be covered.Prohibited fuels are: Gasolines
containing any methanol, MMT, an
organometallic octane enhancing
additive, and/or fuels containing
more than 15% ethanol in non-Flex
Fuel Vehicles (FFV).
Please refer to your owner manual
under
“Fuel,” for additional
recommendations, including the use
of TOP TIER Detergent Gasoline.
Additional information can also be
found at: www.toptiergas.com/
index.html.
Damage Due to Impact, Use,
or the Environment
Windshield or glass cracks, chips,
or scratches due to impact are not
covered. Windshield cracks will be
covered for the first 12 months,
regardless of mileage if caused by
defects in material or workmanship.
Lights, lenses, mirrors, paint, grille,
moldings, and trim are not covered
for cracks, chips, scratches, dents,
dings, and punctures or tears as a
result of impact with other objects or
road hazards. In addition, cracks,
chips, scratches, or other damage to the face of a radio or instrument
cluster from impact or foreign
objects are not covered.
Third Party Externally Connected
Electrical Products
This warranty does not apply to
hardware or software of a third party
device that is connected to the
vehicle or its components, even if
integrated or delivered with the
vehicle. GM is not responsible for
the quality or accuracy of any
information, or service accessed
through or from any third party
device or platform. Software
distributed by GM inside or outside
the vehicle (including, but not limited
to system software or applications)
is not covered by this Warranty. GM
does not warrant that connections
to, from or through the vehicle will
be uninterrupted or error-free. Also,
the user should back-up their data
and information frequently. GM is
not responsible for any loss or
damage to data or information made
available in connection with the use
of the vehicle. In addition, this
Warranty does not apply: (a) to
Buick Limited Warranty and Owner Assistance Information (GMNA-Localiz-
ing-U.S.-10999171) - 2018 - crc - 7/31/17
20 Emission Warranty Parts List
Emission-related defects in the
emission parts listed here are
covered under the Emission Control
System Warranty. The terms are
explained in theEmission Control
Systems Warranty 016 under
“Federal Emission Control System
Warranty” and the“California
Emission Control System Warranty.”
Important: Certain parts may be
covered beyond these warranties if
shown with asterisk(s) as follows:
. (*) 7 years/70,000 miles,
whichever comes first, California
Emission Control System
Warranty coverage.
. (**) 8 years/80,000 miles,
whichever comes first, Federal
Emission Control System
Warranty coverage for light duty
vehicles. (Also applies to
California certified light duty and
medium duty vehicles.)
All listed parts 15 years/
150,000 miles, whichever comes
first, on California TZEV (NU6)
vehicles registered in a TZEV state
except Hybrid batteries and Hybrid A/C compressors, which are
covered for 10 years/150,000 miles,
whichever comes first.
Powertrain Control System
Accelerator Pedal Position Sensor
Camshaft Position Actuator *
Camshaft Position Actuator Valve
Coolant Sensor
Data Link Connector
Engine Control Module (ECM) **
Engine Temperature Sensor
Flex Fuel Sensor
Fuel Control Module **
Humidity Sensor
Intake Air Temperature Sensor
Malfunction Indicator Lamp
Manifold Absolute Pressure Sensor
Mass Air Flow Sensor
Oil Pressure Sensor
Outside Air Temperature Sensor
Oxygen Sensor(s)
Powertrain Control Module (PCM) **Thermostat
Throttle Position Sensor
Vehicle Speed Sensor
Ignition System
Camshaft Position Sensor(s)
Crankshaft Position Sensor(s)
Glow Plug(s) (Diesel)
Glow Plug Controller (Diesel)
Ignition Coil(s)
Ignition Control Module
Knock Sensor
Spark Plug Wires
Spark Plugs
Transmission Controls and
Torque Management
Clutch Solenoids and Switches
Control Solenoids and Pressure
Switches
Internal Mode Switch
Park/Neutral Switch
Transmission Control Module **