2018 BUICK ENVISION light

Buick Limited Warranty and Owner Assistance Information (GMNA-Localiz-
ing-U.S.-10999171) - 2018 - crc - 7/31/17
2 Warranty Coverage at a Glance
The warranty coverages are
summarized below.
New Vehicle Limited Warranty
Bumper-to-Bumper (Includes
Tires)
.Coverage is for the first 4 years
or 50,000 miles, whichever
comes first.
Powertrain
. Coverage is for the first 6 years
or 70,000 miles, whichever
comes first.
Sheet Metal
. Corrosion coverage is for the
first 4 years or 50,000 miles,
whichever comes first.
. Rust-through coverage is for the
first 6 years, unlimited mileage.
Emission Control System
Warranty
For light duty trucks, see “How to
Determine the Applicable Emissions
Control System Warranty” under
Emission Control Systems Warranty
0 16 for more information. Federal
.
Gasoline Engines
‐Defects and performance for
cars and light duty truck
emission control systems are
covered for the first 2 years or
24,000 miles, whichever
comes first. From the first
2 years or 24,000 miles to
4 years or 50,000 miles
defects in material or
workmanship continue to be
covered under the New
Vehicle Limited Warranty
Bumper-to-Bumper coverage
explained previously. Specified
major components are
covered for the first 8 years or
80,000 miles, whichever
comes first.
‐ Defects and performance for
heavy duty truck emission
control systems are covered
for the first 5 years or
50,000 miles, whichever
comes first. California
.
Gasoline Engines
‐Defects and performance for
cars and trucks with light duty
or medium duty emission
control systems are covered
for the first 3 years or
50,000 miles, whichever
comes first.
‐ Specified components for cars
or light duty trucks equipped
with light duty or medium duty
truck emission control systems
are covered for the first
7 years or 70,000 miles,
whichever comes first.
Important: Some California
emission vehicles may have special
coverages longer than those listed
here. See “California Emission
Control System Warranty” under
Emission Control Systems Warranty
0 16.

Buick Limited Warranty and Owner Assistance Information (GMNA-Localiz-
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New Vehicle Limited Warranty 3
Buick will provide for repairs to the
vehicle during the warranty period in
accordance with the following terms,
conditions, and limitations.
What Is Covered
Warranty Applies
This warranty is for Buick vehicles
registered in the United States and
normally operated in the United
States and is provided to the
original and any subsequent owners
of the vehicle during the warranty
period.
Repairs Covered
The warranty covers repairs to
correct any vehicle defect, not slight
noise, vibrations, or other normal
characteristics of the vehicle due to
materials or workmanship occurring
during the warranty period. Needed
repairs will be performed using new,
remanufactured, or refurbished parts
No Charge
Warranty repairs, including towing,
parts, and labor, will be made at no
charge.Obtaining Repairs
To obtain warranty repairs, take the
vehicle to a Buick dealer facility
within the warranty period and
request the needed repairs.
Reasonable time must be allowed
for the dealer to perform necessary
repairs.
Warranty Period
The warranty period for all
coverages begins on the date the
vehicle is first delivered or put in
use and ends at the expiration of
the coverage period.
Bumper-to-Bumper Coverage
The complete vehicle is covered for
4 years or 50,000 miles, whichever
comes first, except for other
coverages listed here under
“What
Is Covered” and those items listed
under “What Is Not Covered” later in
this section.
Powertrain Coverage
The powertrain is covered for
6 years or 70,000 miles, whichever
comes first, except for other
coverages listed here under “WhatIs Covered”
and those items listed
under “What Is Not Covered” later in
this section.
Engine Coverage includes: All
internally lubricated parts, engine oil
cooling hoses and lines. Also
included are all actuators and
electrical components internal to the
engine (e.g, Active Fuel
Management Valve Lifter Oil
Manifold) cylinder head, block,
timing gears, timing chain, timing
cover, oil pump/oil pump housing,
OHC carriers, valve covers, oil pan,
seals, gaskets, manifolds, flywheel,
water pump, harmonic balancer,
engine mount, turbocharger, and
supercharger. Timing belts, and
other associated components
required in the timing belt service
replacement procedure are covered
until the first scheduled
maintenance interval.
Exclusions: Excluded from the
powertrain coverage are sensors,
wiring, connectors, engine radiator,
coolant hoses, coolant, and heater
core. Coverage on the engine
cooling system begins at the inlet to

Buick Limited Warranty and Owner Assistance Information (GMNA-Localiz-
ing-U.S.-10999171) - 2018 - crc - 7/31/17
8 New Vehicle Limited Warranty
impact, curb impact, or from other
objects is not covered. Tire wear
due to misalignment beyond the
warranty period is not covered.
Also, damage from improper
inflation, overloading, spinning, as
when stuck in mud or snow, tire
chains, racing, improper mounting
or dismounting, misuse, negligence,
alteration, improper repair, accident,
collision, fire, vandalism,
or misapplication is not covered.
Damage to wheels or tire sidewalls
caused by automatic car washes or
cleaning agents is not covered.
Damage Due to Accident, Misuse,
or Alteration
The New Vehicle Limited Warranty
does not cover damage caused as
the result of any of the following:
.Collision, fire, theft, freezing,
vandalism, riot, explosion,
or objects striking the vehicle
. Misuse of the vehicle such as
driving over curbs, overloading,
racing, or other competition.
Proper vehicle use is discussed
in the owner manual. .
Alteration, modification,
or tampering to the vehicle,
including, but not limited to the
body, chassis, powertrain,
driveline, software, or other
components after final assembly
by GM.
. Coverages do not apply if the
odometer has been
disconnected, its reading has
been altered, or mileage cannot
be determined.
. Installation of non-GM (General
Motors) parts
. Water or fluid contamination
. Damage resulting from hail,
floods, windstorms, lightning and
other environmental conditions
. Alteration of glass parts by
application of tinting filmsCaution
This warranty is void on vehicles
currently or previously titled as
salvaged, scrapped, junked,
or otherwise considered a
total loss.
Damage or Corrosion Due to
Environment, Chemical
Treatments, or Aftermarket
Products
Damage caused by airborne fallout,
rail dust, salt from sea air, salt or
other materials used to control road
conditions, chemicals, tree sap,
stones, hail, earthquake, water or
flood, windstorm, lightning, the
application of chemicals or sealants
subsequent to manufacture, etc., is
not covered. See “Chemical Paint
Spotting” underThings to Know
About the New Vehicle Limited
Warranty 012.

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
16 Emission Control Systems Warranty
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. There
may be additional coverage on GM
diesel engine vehicles. In any case,
the warranty with the broadest
coverage applies.
What Is Covered
The parts covered under the
emission warranty are listed under
Emission Warranty Parts List020
How to Determine the
Applicable Emissions Control
System Warranty
State and Federal agencies may
require a different emission control
system warranty 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 System Warranty
Coverage. If the emissions control
label contains language stating the
vehicle conforms to California
regulations, the vehicle is also
eligible for California Emissions
Control System Warranty Coverage.
Federal Emission Control
System Warranty
Federal Warranty Coverage
. Car or Light Duty Truck with a
Gross Vehicle Weight
Rating (GVWR) of 8,500 lbs.
or less
‐2 years or 24,000 miles and
8 years or 80,000 miles for the
catalytic converter, vehicle/
powertrain control module,
transmission control module or
other onboard emissions diagnostic device, including
emission-related software,
whichever comes first.
. Light Duty Truck equipped with
Heavy Duty Gasoline Engine
and with a Gross Vehicle Weight
Rating (GVWR) greater than
8,500 lbs.
‐5 years or 50,000 miles,
whichever comes first.
. Light Duty Truck equipped with
Heavy Duty Diesel Engine and
with a Gross Vehicle Weight
Rating (GVWR) greater than
8,500 lbs.
‐5 years or 50,000 miles,
whichever comes first.
Federal Emission Defect Warranty
GM warrants to the owner the
following:
. The vehicle was designed,
equipped, and built so as to
conform at the time of sale with
applicable regulations of the
Federal Environmental
Protection Agency (EPA).

Buick Limited Warranty and Owner Assistance Information (GMNA-Localiz-
ing-U.S.-10999171) - 2018 - crc - 7/31/17
18 Emission Control Systems Warranty
California Transitional Zero
Emission Vehicles (TZEV) have
extended coverage on all
emission-related parts.
Note
Referred to as PZEV warranty in
past model years.
Important:California, Connecticut,
Maine, Maryland, Massachusetts,
New Jersey, New York, Oregon,
Rhode Island, and Vermont have
TZEV Emission Warranty Coverage.
Your Rights and Obligations (For
Vehicles Subject to California
Exhaust Emission Standards)
The California Air Resources Board
and General Motors are pleased to
explain the emission control system
warranty on your vehicle. In
California, new motor vehicles must
be designed, built, and equipped to
meet the state's stringent anti-smog
standards. GM must warrant the
emission control system on your
vehicle for the periods of time and
mileage listed provided there has
been no abuse, neglect, or improper
maintenance of your vehicle. Your vehicle's emission control system
may include parts such as the fuel
injection system, ignition system,
catalytic converter, and engine
computer. Also included are hoses,
belts, connectors, and other
emission-related assemblies.
Where a warrantable condition
exists, GM will repair your vehicle at
no cost to you including diagnosis,
parts, and labor.
California Emission Defect and
Emission Performance Warranty
Coverage
For cars and trucks with light duty or
medium duty emissions:
.
For 3 years or 50,000 miles
(5 years or 50,000 miles for
Duramax Diesel), whichever
comes first:
‐If your vehicle fails a smog
check inspection, GM will
make all necessary repairs
and adjustments to ensure
that your vehicle passes the
inspection. This is your
Emission Control System
Performance Warranty. ‐
If any emission-related part on
your vehicle is defective, GM
will repair or replace it. This is
your Short-term Emission
Control Systems Defects
Warranty.
. For 7 years or 70,000 miles,
whichever comes first:
‐If an emission-related part
listed in this booklet specially
noted with coverage for
7 years or 70,000 miles is
defective, GM will repair or
replace it. This is your
Long-term Emission Control
System Defects Warranty.
. For 8 years or 80,000 miles,
whichever comes first for
vehicles with a Gross Vehicle
Weight Rating (GVWR) of
8,500 lbs. or less:
‐If the catalytic converter,
vehicle/powertrain control
module, transmission control
module, or other onboard
emissions diagnostic device,
including emissions-related
software, is found to be

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 **

Buick Limited Warranty and Owner Assistance Information (GMNA-Localiz-
ing-U.S.-10999171) - 2018 - crc - 7/31/17
Emission Warranty Parts List 25
30 days after receipt of the vehicle
by the dealer, or within the time
period required by local or state law.
The only exceptions would be if you
request or agree to an extension,
or if a delay results from events
beyond the control of your dealer or
GM. If you are not so notified, GM
will provide any required repairs at
no charge.
In the event a warranty matter is not
handled to your satisfaction, refer to
theCustomer Satisfaction
Procedure 026.
For further information or to report
violations of the Emission Control
System Warranty, you may contact
the EPA at:
U.S. Environmental Protection
Agency
Office of Transportation and Air
Quality
Compliance Division, Light-Duty
Vehicle Group
Attn: Warranty Complaints
2000 Traverwood Drive
Ann Arbor, MI 48105
Email:
[email protected] For a vehicle subject to the
California Exhaust Emission
Standards, you may contact the:
State of California Air Resources
Board
Mobile Source Operations Division
P.O. Box 8001
El Monte, CA 91731-2990