technical data BUICK ENVISION 2021 Owner's Manual

Buick E2UB-N Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14583509) - 2021 - CRC - 3/10/21
Contents
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Keys, Doors, and Windows . . . . . . . . . . . . . . . 6
Seats and Restraints . . . . . . . . . . . . . . . . . . . . . 32
Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Instruments and Controls . . . . . . . . . . . . . . . . 81
Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117
Infotainment System . . . . . . . . . . . . . . . . . . . 125
Climate Controls . . . . . . . . . . . . . . . . . . . . . . . . 178
Driving and Operating . . . . . . . . . . . . . . . . . . 186
Vehicle Care . . . . . . . . . . . . . . . . . . . . . . . . . . . . 253
Service and Maintenance . . . . . . . . . . . . . . . 313
Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . 325
Customer Information . . . . . . . . . . . . . . . . . . 328
Reporting Safety Defects . . . . . . . . . . . . . . . 336
OnStar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 340
Connected Services . . . . . . . . . . . . . . . . . . . . . 345
Index . . . . . . . . . . . . . . . . . . . . . . . . . . 348
Introduction
The names, logos, emblems, slogans, vehicle
model names, and vehicle body designs
appearing in this manual including, but not
limited to, GM, the GM logo, BUICK, and the
BUICK Emblem are trademarks and/or
service marks of General Motors LLC, its
subsidiaries, affiliates, or licensors.
For vehicles first sold in Canada, substitute
the same“General Motors of Canada
Company” for Buick Motor Division wherever
it appears in this manual.
This manual describes features that may or
may not be on the vehicle because of
optional equipment that was not purchased
on the vehicle, model variants, country
specifications, features/applications that may not be available in your region, or changes
subsequent to the printing of this owner’s
manual.
Refer to the purchase documentation
relating to your specific vehicle to confirm
the features.
Keep this manual in the vehicle for quick
reference.Canadian Vehicle Owners
A French language manual can be obtained
from your dealer, at www.helminc.com,
or from:
Propriétaires Canadiens
On peut obtenir un exemplaire de ce guide
en français auprès du concessionnaire ou à
l'adresse suivante:
Helm, Incorporated
Attention: Customer Service
47911 Halyard Drive
Plymouth, MI 48170
USA
Litho in U.S.A.
Part No. 84299675 C Third Printing©2021 General Motors LLC. All Rights Reserved.

Buick E2UB-N Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14583509) - 2021 - CRC - 1/8/21
Technical Data 325
Technical Data
Vehicle Identification
Vehicle Identification Number (VIN) . . . 325
Service Parts Identification . . . . . . . . . . . . . 325
Vehicle Data
Capacities and Specifications . . . . . . . . . . 326
Engine Drive Belt Routing . . . . . . . . . . . . . 327
Vehicle Identification
Vehicle Identification
Number (VIN)
This legal identifier is in the front corner of
the instrument panel, on the driver side of
the vehicle. It can be seen through the
windshield from outside. The Vehicle
Identification Number (VIN) also appears on
the Vehicle Certification label and certificates
of title and registration.
Engine Identification
The eighth character in the VIN is the
engine code. This code identifies the
vehicle's engine, specifications, and
replacement parts. See“Engine
Specifications” underCapacities and
Specifications 0326 for the vehicle's
engine code.
Service Parts Identification
There may be a large barcode on the
certification label on the center pillar that
you can scan for the following information:
.Vehicle Identification Number (VIN)
.Model designation
.Paint information
.Production options
If there is not a large barcode on this label,
then you will find this same information on
a label inside the glovebox.

Buick E2UB-N Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14583509) - 2021 - CRC - 1/8/21
326 Technical Data
Vehicle Data
Capacities and Specifications
The following approximate capacities are given in metric and English conversions. SeeRecommended Fluids and Lubricants0322 for more
information.
Application Capacities
Metric English
Air Conditioning Refrigerant For the air conditioning system refrigerant type and charge
amount, see the refrigerant label under the hood. See your dealer for more information.
Engine Cooling System* 9.4 L9.9 qt
Engine Oil with Filter 5.0 L5.3 qt
Fuel Tank
IFWD 60.2 L
15.9 gal
IAWD 60.9 L
16.1 gal
Wheel Nut Torque 190Y 140 lb ft
All capacities are approximate. When adding, be sure to fill to the approximate level, as recommended in this manual. Recheck fluid level
after filling.
*Engine cooling system capacity values are based on the entire cooling system and its components.

Buick E2UB-N Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14583509) - 2021 - CRC - 1/8/21
Technical Data 327
Engine Specifications
EngineVIN CodeTransmission Spark Plug Gap
2.0L L4 Engine (LSY) 4Automatic 0.65−0.75 mm (0.026–0.030 in)
Spark plug gaps are preset by the manufacturer. Re-gapping the spark plug is not recommended and can damage the spark plug.
Engine Drive Belt Routing
2.0L L4 Engine (LSY)