2020 BUICK ENVISION SERVICING

Buick Envision Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13555857) - 2020 - CRC - 3/25/19
Seats and Restraints 33
Seats and
Restraints Head Restraints Head Restraints . . . . . . . . . . . . . . . 34
Front Seats Power Seat Adjustment . . . . . . . . 36
Lumbar Adjustment . . . . . . . . . . . . 36
Thigh Support Adjustment . . . . . 37
Reclining Seatbacks . . . . . . . . . . . 37
Memory Seats . . . . . . . . . . . . . . . . . 38
Heated and Ventilated Front
Seats . . . . . . . . . . . . . . . . . . . . . . . . . 41
Rear Seats Rear Seats . . . . . . . . . . . . . . . . . . . . 42
Rear Seat Armrest . . . . . . . . . . . . . 44
Heated Rear Seats . . . . . . . . . . . . 45
Seat Belts Seat Belts . . . . . . . . . . . . . . . . . . . . . 45
How to Wear Seat Belts
Properly . . . . . . . . . . . . . . . . . . . . . . 46
Lap-Shoulder Belt . . . . . . . . . . . . . 48
Seat Belt Use During
Pregnancy . . . . . . . . . . . . . . . . . . . . 51
Seat Belt Extender . . . . . . . . . . . . . 52
Safety System Check . . . . . . . . . . 52 Seat Belt Care . . . . . . . . . . . . . . . . . 52
Replacing Seat Belt System
Parts after a Crash . . . . . . . . . . . 53
Airbag System Airbag System . . . . . . . . . . . . . . . . . 54
Where Are the Airbags? . . . . . . . 55
When Should an Airbag
Inflate? . . . . . . . . . . . . . . . . . . . . . . . 57
What Makes an Airbag
Inflate? . . . . . . . . . . . . . . . . . . . . . . . 58
How Does an Airbag
Restrain? . . . . . . . . . . . . . . . . . . . . . 58
What Will You See after an
Airbag Inflates? . . . . . . . . . . . . . . 59
Passenger Sensing System . . . 60
Servicing the Airbag-Equipped
Vehicle . . . . . . . . . . . . . . . . . . . . . . . 65
Adding Equipment to the
Airbag-Equipped Vehicle . . . . . 65
Airbag System Check . . . . . . . . . . 66
Replacing Airbag System Parts
after a Crash . . . . . . . . . . . . . . . . . 66
Child Restraints Older Children . . . . . . . . . . . . . . . . . 67
Infants and Young Children . . . . 68
Child Restraint Systems . . . . . . . 71
Where to Put the Restraint . . . . . 72
Lower Anchors and Tethers for
Children (LATCH System) . . . . 73 Replacing LATCH System Parts
After a Crash . . . . . . . . . . . . . . . . . 81
Securing Child Restraints (With
the Seat Belt in the
Rear Seat) . . . . . . . . . . . . . . . . . . . 82
Securing Child Restraints (With
the Seat Belt in the
Front Seat) . . . . . . . . . . . . . . . . . . . 84

Buick Envision Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13555857) - 2020 - CRC - 3/25/19
Seats and Restraints 65
{ WarningStowing articles under the
passenger seat or between the
passenger seat cushion and
seatback may interfere with the
proper operation of the passenger
sensing system.
Servicing the
Airbag-Equipped Vehicle Airbags affect how the vehicle
should be serviced. There are parts
of the airbag system in several
places around the vehicle. Your
dealer and the service manual have
information about servicing the
vehicle and the airbag system. To
purchase a service manual, see
Publication Ordering Information
0 335 . { WarningFor up to 10 seconds after the
vehicle is turned off and the
battery is disconnected, an airbag
can still inflate during improper
service. You can be injured if you
are close to an airbag when it
inflates. Avoid yellow connectors.
They are probably part of the
airbag system. Be sure to follow
proper service procedures, and
make sure the person performing
work for you is qualified to do so.
Adding Equipment to the
Airbag-Equipped Vehicle Adding accessories that change the
vehicle's frame, bumper system,
height, front end, or side sheet
metal may keep the airbag system
from working properly.
The operation of the airbag system
can also be affected by changing,
including improperly repairing or
replacing, any parts of the following: .
Airbag system, including airbag
modules, front or side impact
sensors, sensing and diagnostic
module, or airbag wiring
.
Front seats, including stitching,
seams or zippers
.
Seat belts
.
Steering wheel, instrument
panel, overhead console, ceiling
trim, or pillar garnish trim
.
Inner door seals, including
speakers
Your dealer and the service manual
have information about the location
of the airbag modules and sensors,
sensing and diagnostic module, and
airbag wiring along with the proper
replacement procedures.
In addition, the vehicle has a
passenger sensing system for the
front outboard passenger position,
which includes sensors that are part
of the passenger seat. The
passenger sensing system may not
operate properly if the original seat
trim is replaced with non-GM
covers, upholstery, or trim; or with

Buick Envision Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13555857) - 2020 - CRC - 2/25/19
228 Driving and Operating Always know the maximum speed
rating for the trailer tires before
driving. This may be significantly
lower than the vehicle tire speed
rating. The speed rating may be on
the trailer tire sidewall. If the speed
rating is not shown, the default
trailer tire speed rating is 105 km/h
(65 mph).
Conversions and
Add-Ons Add-On Electrical
Equipment
{ WarningThe Data Link Connector (DLC) is
used for vehicle service and
Emission Inspection/Maintenance
testing. See Malfunction Indicator
Lamp (Check Engine Light) 0 115 .
A device connected to the DLC —
such as an aftermarket fleet or
driver-behavior tracking device —
may interfere with vehicle
systems. This could affect vehicle
operation and cause a crash.
Such devices may also access
information stored in the vehicle ’ s
systems. CautionSome electrical equipment can
damage the vehicle or cause
components to not work and
would not be covered by the
vehicle warranty. Always check
with your dealer before adding
electrical equipment.
Add-on equipment can drain the
vehicle's 12-volt battery, even if the
vehicle is not operating.
The vehicle has an airbag system.
Before attempting to add anything
electrical to the vehicle, see
Servicing the Airbag-Equipped
Vehicle 0 65 and
Adding Equipment to the
Airbag-Equipped Vehicle 0 65 .

Buick Envision Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13555857) - 2020 - CRC - 3/12/19
Vehicle Care 231
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, 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 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 65 .Vehicle Checks Doing Your Own
Service Work
{ WarningIt can be dangerous to work on
your vehicle if 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.
If doing some of your own service
work, use the proper service
manual. It tells you much more
about how to service the vehicle
than this manual can. To order the
proper service manual, see
Publication Ordering Information
0 335 .
This vehicle has an airbag system.
Before attempting to do your own
service work, see Servicing the
Airbag-Equipped Vehicle 0 65 .

Buick Envision Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13555857) - 2020 - CRC - 2/25/19
Index 351
Index A About Driving the Vehicle . . . . . . . . . 2
Accessories and
Modifications . . . . . . . . . . . . . . . . . . 231
Accessory Power . . . . . . . . . . . . . . . 179
Adaptive Cruise Control . . . . . . . . 192
Add-On Electrical Equipment . . . 228
Additional Information
OnStar . . . . . . . . . . . . . . . . . . . . . . . 342
Additional Maintenance
and Care . . . . . . . . . . . . . . . . . . . . . . 317
Adjustments
Lumbar, Front Seats . . . . . . . . . . . . 36
Thigh Support . . . . . . . . . . . . . . . . . . 37
Air Cleaner/Filter, Engine . . . . . . . 241
Air Conditioning . . . . . . . . . . . 153, 156
Air Filter, Passenger
Compartment . . . . . . . . . . . . . . . . . 158
Air Vents . . . . . . . . . . . . . . . . . . . . . . . 158
Airbag System
Check . . . . . . . . . . . . . . . . . . . . . . . . . . 66
How Does an Airbag
Restrain? . . . . . . . . . . . . . . . . . . . . . 58
Passenger Sensing System . . . . 60
What Makes an Airbag
Inflate? . . . . . . . . . . . . . . . . . . . . . . . . 58
What Will You See after an
Airbag Inflates? . . . . . . . . . . . . . . . 59 Airbag System (cont'd)
When Should an Airbag
Inflate? . . . . . . . . . . . . . . . . . . . . . . . . 57
Where Are the Airbags? . . . . . . . . 55
Airbags
Adding Equipment to the
Vehicle . . . . . . . . . . . . . . . . . . . . . . . . 65
Passenger Status Indicator . . . .114
Readiness Light . . . . . . . . . . . . . . .113
Servicing Airbag-Equipped
Vehicles . . . . . . . . . . . . . . . . . . . . . . . 65
System Check . . . . . . . . . . . . . . . . . . 54
Alarm
Vehicle Security . . . . . . . . . . . . . . . . 25
Alert
Lane Change . . . . . . . . . . . . . . . . . .211
Side Blind Zone (SBZA) . . . . . . .211
All-Season Tires . . . . . . . . . . . . . . . . 266
All-Wheel Drive . . . . . . . . . . . . 185, 252
Antilock Brake System (ABS) . . . 185
Warning Light . . . . . . . . . . . . . . . . . .118
Appearance Care
Exterior . . . . . . . . . . . . . . . . . . . . . . . 300
Interior . . . . . . . . . . . . . . . . . . . . . . . . 304
Armrest
Rear Seat . . . . . . . . . . . . . . . . . . . . . . 44
Assistance Program,
Roadside . . . . . . . . . . . . . . . . . . . . . . 330

Buick Envision Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13555857) - 2020 - CRC - 2/25/19
Index 359Roads
Driving, Wet . . . . . . . . . . . . . . . . . . 166
Roadside Assistance
Program . . . . . . . . . . . . . . . . . . . . . . . 330
Roof
Sunroof . . . . . . . . . . . . . . . . . . . . . . . . . 31
Roof Rack System . . . . . . . . . . . . . . . 93
Rotation, Tires . . . . . . . . . . . . . . . . . . 279
Routing, Engine Drive Belt . . . . . . 325
Running the Vehicle While
Parked . . . . . . . . . . . . . . . . . . . . . . . . 182
S Safety Defects Reporting
Canadian Government . . . . . . . . 336
General Motors . . . . . . . . . . . . . . . 337
U.S. Government . . . . . . . . . . . . . 336
Safety Locks . . . . . . . . . . . . . . . . . . . . . 19
Safety System Check . . . . . . . . . . . . 52
Scheduling Appointments . . . . . . . 331
Seat Belts . . . . . . . . . . . . . . . . . . . . . . . 45
Care . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Extender . . . . . . . . . . . . . . . . . . . . . . . . 52
How to Wear Seat Belts
Properly . . . . . . . . . . . . . . . . . . . . . . . 46
Lap-Shoulder Belt . . . . . . . . . . . . . . 48
Reminders . . . . . . . . . . . . . . . . . . . . .113
Replacing after a Crash . . . . . . . . 53 Seat Belts (cont'd)
Use During Pregnancy . . . . . . . . . . 51
Seats
Head Restraints . . . . . . . . . . . . . . . . 34
Heated and Ventilated Front . . . . 41
Heated, Rear . . . . . . . . . . . . . . . . . . . 45
Lumbar Adjustment, Front . . . . . . 36
Memory . . . . . . . . . . . . . . . . . . . . . . . . . 38
Power Adjustment, Front . . . . . . . 36
Rear . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Reclining Seatbacks . . . . . . . . . . . . 37
Securing Child Restraints . . . . 82, 84
Security
Light . . . . . . . . . . . . . . . . . . . . . . . . . . 122
OnStar . . . . . . . . . . . . . . . . . . . . . . . 342
Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . 25
Vehicle Alarm . . . . . . . . . . . . . . . . . . . 25
Service . . . . . . . . . . . . . . . . . . . . . . . . . 159
Accessories and
Modifications . . . . . . . . . . . . . . . . 231
Doing Your Own Work . . . . . . . . 231
Maintenance Records . . . . . . . . 322
Maintenance, General
Information . . . . . . . . . . . . . . . . . . 309
Parts Identification . . . . . . . . . . . . 323
Scheduling Appointments . . . . . 331
Service Electric Parking
Brake Light . . . . . . . . . . . . . . . . . . . . 118 Services
Special Application . . . . . . . . . . . 316
Servicing the Airbag . . . . . . . . . . . . . 65
Shifting
Into Park . . . . . . . . . . . . . . . . . . . . . . 179
Out of Park . . . . . . . . . . . . . . . . . . . 180
Side Blind Zone Alert (SBZA) . . . 211
Signals, Turn and
Lane-Change . . . . . . . . . . . . . . . . . 148
Spare Tire
Compact . . . . . . . . . . . . . . . . . . . . . . 292
Special Application Services . . . . 316
Specifications and
Capacities . . . . . . . . . . . . . . . . . . . . . 324
Speedometer . . . . . . . . . . . . . . . . . . . 108
StabiliTrak
OFF Light . . . . . . . . . . . . . . . . . . . . . 120
Start Assist, Hill . . . . . . . . . . . . . . . . . 188
Start Vehicle, Remote . . . . . . . . . . . 14
Starter Switch Check . . . . . . . . . . . 252
Starting the Engine . . . . . . . . . . . . . 175
Steering . . . . . . . . . . . . . . . . . . . . . . . . 164
Heated Wheel . . . . . . . . . . . . . . . . . . 95
Wheel Adjustment . . . . . . . . . . . . . . 95
Wheel Controls . . . . . . . . . . . . . . . . . 95
Stop/Start System . . . . . . . . . . . . . . 176
Storage
Rear . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88