seats 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
Introduction 5
1.Air Vents 0184.
2. Turn Signal Lever. See Turn and
Lane-Change Signals 0122.
3. Tap Shift Controls. See Automatic
Transmission 0203.
4. Instrument Cluster 089.
Driver Information Center Display. See
Driver Information Center (DIC) 0103.
5. Windshield Wiper/Washer 082.
Rear Window Wiper/Washer 084.
6. Infotainment Controls. See Overview
0 126.
7. Light Sensor. See Automatic Headlamp
System 0120.
8. Hazard Warning Flashers 0121.
9. Dual Automatic Climate Control System
0180.
Heated and Ventilated Front Seats 039.
10. Power Outlets 085.
Wireless Charger. See Wireless Charging
0 86 (If Equipped).
Front Storage 077.
11. Auto Stop Disable Switch. See Stop/Start
System 0199.
Hill Descent Control (HDC) 0211 (If
Equipped). Lane Keep Assist (LKA)
0238 (If
Equipped).
Traction Control/Electronic Stability
Control 0210.
Rear Park Assist (RPA). See Assistance
Systems for Parking or Backing 0223 (If
Equipped).
Park Assist. See Assistance Systems for
Parking or Backing 0223.
12. MODE Button. See Driver Mode Control
0 212.
13. Electric Parking Brake 0208.
14. Shift Switches. See Automatic
Transmission 0203.
15. USB Ports. See USB Port0134.
16. ENGINE START/STOP Button. See Ignition
Positions 0197.
17. Steering Wheel Controls 082.
Driver Information Center (DIC) Buttons.
See Driver Information Center (DIC)
0 103.
18. Horn 082
19. Steering Wheel Adjustment 082 (Out
of View). 20.
Cruise Control 0213.
Adaptive Cruise Control (Advanced) 0214
(If Equipped).
Heated Steering Wheel 082 (If
Equipped).
21. Head-Up Display (HUD) 0105 (If
Equipped).
22. Data Link Connector (DLC) (Out of View). SeeMalfunction Indicator Lamp (Check
Engine Light) 095.
23. Hood Release. See Hood0255.
24. Instrument Panel Illumination Control
0122

Buick E2UB-N Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14583509) - 2021 - CRC - 1/8/21
8 Keys, Doors, and Windows
K:Press to unlock the driver door. PressKagain within five seconds to unlock all
doors. The remote key can be programmed
to unlock all doors on the first button press.
See Vehicle Personalization 0109. When
remotely unlocking the vehicle at night, the
lights come on briefly to light your
approach to the vehicle. The turn signal
indicators may flash to indicate unlocking.
Pressing
Kwill disarm the alarm system.
See Vehicle Alarm System 023.
If equipped with remote folding mirrors,
press and hold
Kfor one second to
remotely unfold the mirrors, if enabled. See
Vehicle Personalization 0109.
Press and hold
Kuntil the windows fully
open. Windows will not operate unless
remote window operation is enabled. See
Vehicle Personalization 0109.
S:Double pressSto start the engine
from outside the vehicle using the remote
key. See Remote Vehicle Start 012.
7:Press and release one time to initiate
vehicle locator. The exterior lamps flash and
the horn chirps three times. Press and hold
7for three seconds to sound the panic alarm. The horn sounds and the turn signal
lamps flash for 30 seconds, or until
7is
pressed again or the vehicle is started.
b: If equipped, press twice quickly to
open or close the liftgate.
Press once to stop the liftgate from moving.
Keyless Access Operation
With the Keyless Access system, you can
lock and unlock the doors and access the
liftgate without removing the remote key
from your pocket, purse, briefcase, etc. The
remote key should be within 1 m (3 ft) of the
liftgate or door being opened.
Keyless Access can be programmed to
unlock all doors on the first lock/unlock
press from the driver door. See Vehicle
Personalization 0109.
If equipped with memory seats, remote keys
1 and 2 are linked to seating positions of
memory 1 or 2. See Memory Seats036.
Keyless Unlocking/Locking from the
Driver Door
When the doors are locked and the remote
key is within 1 m (3 ft) of the driver door
handle, pressing the lock/unlock button on
the driver door handle will unlock the driver door. If the lock/unlock button is pressed
again within five seconds, all passenger
doors will unlock.
Driver Shown, Passenger Similar
Pressing the lock/unlock button will cause
all doors to lock if any of the following
occur:
.It has been more than five seconds since
the first lock/unlock button press.
.Two lock/unlock button presses were
used to unlock all doors.
.Any vehicle door has opened and all
doors are now closed.

Buick E2UB-N Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14583509) - 2021 - CRC - 1/8/21
12 Keys, Doors, and Windows
3. Remove the old battery. Do not use ametal object.
4. Insert the new battery on the back housing, positive side facing down.
Replace with a CR2032 or equivalent
battery.
5. Align the front and back housing then snap the remote key together.
6. Reinsert the mechanical key.
Remote Vehicle Start
This feature allows the engine to be started
from outside the vehicle.
S: This button on the remote key is for
remote start.
The climate control system will use the
previous settings during a remote start. The
rear window defogger may come on during
remote start based on cold ambient
conditions. The rear defog indicator light
does not come on during remote start.
If equipped, the heated and ventilated front
seats may also come on when the vehicle
personalization setting is enabled. See
Heated and Ventilated Front Seats 039. If equipped with a remote start heated
steering wheel, it may come on during a
remote start. See
Heated Steering Wheel
0 82.
Laws in some local communities may restrict
the use of remote starters. For example,
some laws may require a person using
remote start to have the vehicle in view.
Check local regulations for any
requirements.
If your vehicle is low on fuel, do not use the
remote start feature. The vehicle may run
out of fuel.
The remote key range may be shorter while
the vehicle is running.
Other conditions can affect the performance
of the remote key. See Remote Keyless Entry
(RKE) System 07.
You are allowed multiple starts totaling
30 minutes of engine run time. The
maximum run time of a single start is
15 minutes, and it will shut off
automatically. You could do three 10 minute
starts if you manually shut off after
10 minutes. The last 10 minute start would
shut off automatically as your total
30 minutes will have been used. Starting the Engine Using Remote Start
1. Press
Stwice on the remote key. The
turn signal lamps will flash. The lamps
flash to confirm the request to remote
start the vehicle has been received.
During the remote start, the doors will
be locked and the parking lamps will
remain on as long as the engine is
running.
2. The engine will shut off after 15 minutes or after the remainder of the 30 minute
total running time is used, unless you
stop the remote start before engine
running has completed or the vehicle is
turned on.
3. After entering the vehicle during a remote start, press the brake and ENGINE
START/STOP with the remote key in the
vehicle to drive the vehicle.
Additional Engine Run Time
Remote start can be used for up to
30 minutes of total engine run time.
After two remote starts of 15 minutes,
or multiple shorter time starts totaling
30 minutes have been used, the vehicle
must be started normally before the remote
start can be used again.

Buick E2UB-N Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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Keys, Doors, and Windows 25
Exterior Mirrors
Power Mirrors
To adjust each mirror:1. Press
}or|to choose the driver or
passenger side mirror. The indicator light
will illuminate.
2. Press the arrows on the control pad to move the mirror in the desired direction.
3. Adjust each outside mirror so that a little of the vehicle and the area behind it can
be seen.
4. Press
}or|again to deselect the
mirror. Memory Mirrors
The vehicle may have memory mirrors. See
Memory Seats
036.
Lane Change Alert (LCA)
The vehicle may have LCA. See Lane Change
Alert (LCA) 0237.
Side Blind Zone Alert (SBZA)
The vehicle may have Side Blind Zone Alert.
See Side Blind Zone Alert (SBZA) 0237.
Turn Signal Indicator
The vehicle may have a turn signal indicator
on the mirror housings. The indicator will
flash when turn signal or hazard warning
flashers are used.
Folding Mirrors
Manual Folding Mirrors
If equipped, manually fold the mirrors
inward toward the vehicle to prevent
damage when going through an automatic
car wash. Push the mirror outward to return
it to the original position.
Heated Mirrors
K: Press to heat the mirrors. See
“Rear Window Defogger” underDual
Automatic Climate Control System 0180.
Automatic Dimming Mirror
If the vehicle has the automatic dimming
mirror, the driver outside mirror
automatically adjusts for the glare of
headlamps behind you.
Reverse Tilt Mirrors
If equipped with reverse tilt mirrors and
memory seats, the passenger and/or driver
mirror tilts to a preselected position when
the vehicle is in R (Reverse). This allows the
curb to be seen when parallel parking.
The mirror(s) may move from their tilted
position when:
.The vehicle is shifted out of R (Reverse),
or remains in R (Reverse) for about
30 seconds.
.The vehicle is turned off.
.The vehicle is driven in R (Reverse) above
a set speed.
To turn this feature on or off, see Vehicle
Personalization 0109.

Buick E2UB-N Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14583509) - 2021 - CRC - 1/8/21
32 Seats and Restraints
Seats and Restraints
Head Restraints
Head Restraints . . . . . . . . . . . . . . . . . . . . . . . . . 32
Front Seats
Seat Adjustment . . . . . . . . . . . . . . . . . . . . . . . . 33
Power Seat Adjustment . . . . . . . . . . . . . . . . 34
Lumbar Adjustment . . . . . . . . . . . . . . . . . . . . 34
Massage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Reclining Seatbacks . . . . . . . . . . . . . . . . . . . . . 35
Memory Seats . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Heated and Ventilated Front Seats . . . . . 39
Rear Seats
Rear Seats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Seat Belts
Seat Belts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Buckle To Drive . . . . . . . . . . . . . . . . . . . . . . . . . 42
How to Wear Seat Belts Properly . . . . . . 43
Lap-Shoulder Belt . . . . . . . . . . . . . . . . . . . . . . . 44
Seat Belt Use During Pregnancy . . . . . . . . 47
Seat Belt Extender . . . . . . . . . . . . . . . . . . . . . . 47
Safety System Check . . . . . . . . . . . . . . . . . . . 47
Seat Belt Care . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Replacing Seat Belt System Parts after aCrash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Airbag System
Airbag System . . . . . . . . . . . . . . . . . . . . . . . . . 48 Where Are the Airbags? . . . . . . . . . . . . . . . . 50
When Should an Airbag Inflate? . . . . . . . . 51
What Makes an Airbag Inflate? . . . . . . . . . 52
How Does an Airbag Restrain? . . . . . . . . . . 52
What Will You See after an Airbag
Inflates? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Passenger Sensing System . . . . . . . . . . . . . . 53
Servicing the Airbag-Equipped Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Adding Equipment to the Airbag-Equipped Vehicle . . . . . . . . . . . . . . 57
Airbag System Check . . . . . . . . . . . . . . . . . . . 58
Replacing Airbag System Parts after a Crash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Child Restraints
Older Children . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Infants and Young Children . . . . . . . . . . . . 60
Child Restraint Systems . . . . . . . . . . . . . . . . 62
Where to Put the Restraint . . . . . . . . . . . . . 63
Lower Anchors and Tethers for Children(LATCH System) . . . . . . . . . . . . . . . . . . . . . . 65
Replacing LATCH System Parts After a Crash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
Securing Child Restraints (With the Seat Belt in the Rear Seat) . . . . . . . . . . . . . . . . . 71
Securing Child Restraints (With the Seat Belt in the Front Seat) . . . . . . . . . . . . . . . . 73
Head Restraints
Front Seats
{Warning
With head restraints that are not
installed and adjusted properly, there is a
greater chance that occupants will suffer
a neck/spinal injury in a crash. Do not
drive until the head restraints for all
occupants are installed and adjusted
properly.
The vehicle's front seats have adjustable
head restraints in the outboard seating
positions.

Buick E2UB-N Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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Seats and Restraints 33
Adjust the head restraint so that the top of
the restraint is at the same height as the
top of the occupant's head. This position
reduces the chance of a neck injury in a
crash.
The height of the head restraint can be
adjusted.
To raise or lower the head restraint, press
the button located on the side of the head
restraint, and pull up or push the head
restraint down, and release the button. Pull
and push on the head restraint after the
button is released to make sure that it is
locked in place.
The front seat outboard head restraints are
not removable.
Rear Seats
Second Row Seats
The vehicle’s rear second row seats have
adjustable head restraints in the outboard
seating positions.
The height of the head restraint can be
adjusted. Pull the head restraint up to raise
it. Try to move the head restraint to make
sure that it is locked in place.
To lower the head restraint, press the
button, located on the top of the seatback,
and push the head restraint down.
The second row head restraints are not
removable.
Front Seats
Seat Adjustment
{Warning
You can lose control of the vehicle if you
try to adjust a driver seat while the
vehicle is moving. Adjust the driver seat
only when the vehicle is not moving.
To adjust a manual seat:1. Lift the handle under the seat to unlock it.
2. Move the seat forward or rearward to adjust the seat position.

Buick E2UB-N Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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34 Seats and Restraints
3. Release the handle to stop the seat frommoving.
4. Try to move the seat back and forth to be sure it is locked in place.
Seat Height Adjuster
If equipped, move the lever up or down to
manually raise or lower the seat.
Power Seat Adjustment
{Warning
The power seats will work with the
ignition off. Children could operate the
power seats and be injured. Never leave
children alone in the vehicle.
To adjust a power seat, if equipped:
.Move the seat forward or rearward by
sliding the control forward or rearward.
.Raise or lower the front part of the seat
cushion by moving the front of the
control up or down.
.Raise or lower the entire seat by moving
the rear of the control up or down.
To adjust the seatback, see Reclining
Seatbacks 035.
To adjust the lumbar support, see Lumbar
Adjustment 034.
Lumbar Adjustment
To adjust the lumbar, if equipped
.Press (2) for upward adjustments.
.Press (3) for rearward adjustments.
.Press (4) for downward adjustments.
.Press (5) for forward adjustments.
For vehicles equipped with lumbar and
massage, move Feature Select (1) one or
more times to display lumbar adjustments
on the infotainment display. Press
adjustment buttons as shown above.

Buick E2UB-N Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14583509) - 2021 - CRC - 1/8/21
Seats and Restraints 35
Massage
If equipped, the ignition must be on to use
the massage feature.
To activate or stop massage press (6).
To adjust massage intensity, move Feature
Select (1) one or more times to display
massage adjustments on the infotainment
display. Press (3) or (5) to adjust intensity.
Pressing (2) or (4) will change the massage
function.
Reclining Seatbacks
{Warning
Sitting in a reclined position when the
vehicle is in motion can be dangerous.
Even when buckled up, the seat belts
cannot do their job.
The shoulder belt will not be against
your body. Instead, it will be in front of
you. In a crash, you could go into it,
receiving neck or other injuries.
The lap belt could go up over your
abdomen. The belt forces would be there,
not at your pelvic bones. This could cause
serious internal injuries.
For proper protection when the vehicle is
in motion, have the seatback upright.
Then sit well back in the seat and wear
the seat belt properly.
Do not have a seatback reclined if the
vehicle is moving.
Manual Reclining Seatbacks
{Warning
If either seatback is not locked, it could
move forward in a sudden stop or crash.
That could cause injury to the person
sitting there. Always push and pull on
the seatbacks to be sure they are locked.

Buick E2UB-N Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14583509) - 2021 - CRC - 1/8/21
36 Seats and Restraints
To recline the seatback:1. Lift the lever.
2. Move the seatback to the desired position, and then release the lever to
lock the seatback in place.
3. Push and pull on the seatback to make sure it is locked.
To return the seatback to the upright
position: 1. Lift the lever fully without applying pressure to the seatback, and the
seatback will return to the upright
position.
2. Push and pull on the seatback to make sure it is locked.
Power Reclining Seatbacks
.Tilt the top of the control rearward to
recline.
.Tilt the top of the control forward to
raise.
Memory Seats
If equipped, memory seats allow two drivers
to save and recall their unique seat positions
for driving the vehicle, and a shared exit
position for getting out of the vehicle. Other
feature positions may also be saved, such as
power mirrors and power steering wheel,
if equipped. Memory positions are linked to
remote key 1 or 2 for automatic memory
recalls.
Before saving, adjust all available memory
feature positions. Turn the vehicle on and
then press and release SET; a beep will
sound. Then immediately press and hold 1,
2, or
B(Exit) until two beeps sound. To
manually recall these positions, press and