2017 BUICK ENVISION lumbar support

Buick Envision Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
10122659) - 2017 - crc - 11/16/16
In Brief 11
Lumbar Support
To adjust the lumbar support,
if equipped:
.Press the front or rear of the
switch to increase or decrease
lumbar support.
. Press the top or bottom of the
switch to raise or lower the
lumbar support.
. Release the switch when the
level of support is reached.
See Lumbar Adjustment 053.
Reclining Seatbacks
Power Reclining Seatbacks
To adjust a power seatback:
.
Tilt the top of the control
rearward to recline.
. Tilt the top of the control forward
to raise.
See Reclining Seatbacks 054.
Memory Features
If equipped, memory seats allow two
drivers to store 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 set,
such as power mirrors and power
steering wheel, if equipped. Memory
positions are linked to RKE
transmitter 1 or 2 for automatic
memory recalls.
Before storing, adjust all available
memory feature positions. Turn the
ignition on and then press and
release SET; a beep will sound.

Buick Envision Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
10122659) - 2017 - crc - 11/16/16
50 Seats and Restraints
Seats and
Restraints
Head Restraints
Head Restraints . . . . . . . . . . . . . . . 51
Front Seats
Power Seat Adjustment . . . . . . . . 53
Lumbar Adjustment . . . . . . . . . . . . 53
Thigh Support Adjustment . . . . . 53
Reclining Seatbacks . . . . . . . . . . . 54
Memory Seats . . . . . . . . . . . . . . . . . 54
Heated and Ventilated FrontSeats . . . . . . . . . . . . . . . . . . . . . . . . . 57
Rear Seats
Rear Seats . . . . . . . . . . . . . . . . . . . . 58
Rear Seat Armrest . . . . . . . . . . . . . 60
Heated Rear Seats . . . . . . . . . . . . 60
Safety Belts
Safety Belts . . . . . . . . . . . . . . . . . . . . 61
How to Wear Safety BeltsProperly . . . . . . . . . . . . . . . . . . . . . . 62
Lap-Shoulder Belt . . . . . . . . . . . . . 63
Safety Belt Use During Pregnancy . . . . . . . . . . . . . . . . . . . . 66
Safety Belt Extender . . . . . . . . . . . 66
Safety System Check . . . . . . . . . . 67 Safety Belt Care . . . . . . . . . . . . . . . 67
Replacing Safety Belt System
Parts after a Crash . . . . . . . . . . . 67
Airbag System
Airbag System . . . . . . . . . . . . . . . . . 68
Where Are the Airbags? . . . . . . . 70
When Should an AirbagInflate? . . . . . . . . . . . . . . . . . . . . . . . 72
What Makes an Airbag Inflate? . . . . . . . . . . . . . . . . . . . . . . . 73
How Does an Airbag Restrain? . . . . . . . . . . . . . . . . . . . . . 73
What Will You See after an Airbag Inflates? . . . . . . . . . . . . . . 73
Passenger Sensing System . . . 75
Servicing the Airbag-Equipped Vehicle . . . . . . . . . . . . . . . . . . . . . . . 79
Adding Equipment to the Airbag-Equipped Vehicle . . . . . 79
Airbag System Check . . . . . . . . . . 80
Replacing Airbag System Parts after a Crash . . . . . . . . . . . . . . . . . 80
Child Restraints
Older Children . . . . . . . . . . . . . . . . . 81
Infants and Young Children . . . . 82
Child Restraint Systems . . . . . . . 85
Where to Put the Restraint . . . . . 86
Lower Anchors and Tethers forChildren (LATCH System) . . . . 87 Replacing LATCH System Parts
After a Crash . . . . . . . . . . . . . . . . . 94
Securing Child Restraints (With the Safety Belt in the
Rear Seat) . . . . . . . . . . . . . . . . . . . 94
Securing Child Restraints (With the Safety Belt in the
Front Seat) . . . . . . . . . . . . . . . . . . . 96

Buick Envision Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
10122659) - 2017 - crc - 11/16/16
Seats and Restraints 53
Front Seats
Power Seat Adjustment
To adjust a power seat:
.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
054.
To adjust the lumbar support, see
Lumbar Adjustment 053.
Lumbar Adjustment
To adjust the lumbar support,
if equipped:
.
Press the front or rear of the
switch to increase or decrease
lumbar support.
. Press the top or bottom of the
switch to raise or lower the
lumbar support. .
Release the switch when the
level of support is reached.
Thigh Support
Adjustment
If equipped, adjust the manual leg
extension by pulling up on the lever,
and then pulling or pushing on the
support to lengthen or shorten it.
Release the lever to lock it in place.

Buick Envision Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
10122659) - 2017 - crc - 11/16/16
354 Index
IndexA
About Driving the Vehicle . . . . . . . . . 2
Accessories andModifications . . . . . . . . . . . . . . . . . . 240
Accessory Power . . . . . . . . . . . . . . . 192
Adaptive Cruise Control . . . . . . . . 205
Adaptive Forward
Lighting (AFL) . . . . . . . . . . . . . . . . . 162
Adaptive Forward Lighting (AFL) Light . . . . . . . . . . . . . . . . . . . . 129
Add-On Electrical Equipment . . . 237
Additional Information OnStar
®. . . . . . . . . . . . . . . . . . . . . . 349
Additional Maintenance
and Care . . . . . . . . . . . . . . . . . . . . . . 321
Adjustments Lumbar, Front Seats . . . . . . . . . . . . 53
Thigh Support . . . . . . . . . . . . . . . . . . 53
Air Cleaner/Filter, Engine . . . . . . . 249
Air Conditioning . . . . . . . . . . . 168, 171
Air Filter, Passenger
Compartment . . . . . . . . . . . . . . . . . 173
Air Vents . . . . . . . . . . . . . . . . . . . . . . . 172
Airbag System Check . . . . . . . . . . . . . . . . . . . . . . . . . . 80
How Does an AirbagRestrain? . . . . . . . . . . . . . . . . . . . . . 73
Passenger Sensing System . . . . 75 Airbag System (cont'd)
What Makes an Airbag
Inflate? . . . . . . . . . . . . . . . . . . . . . . . . 73
What Will You See after an
Airbag Inflates? . . . . . . . . . . . . . . . 73
When Should an Airbag Inflate? . . . . . . . . . . . . . . . . . . . . . . . . 72
Where Are the Airbags? . . . . . . . . 70
Airbags
Adding Equipment to theVehicle . . . . . . . . . . . . . . . . . . . . . . . . 79
Passenger Status Indicator . . . 121
Readiness Light . . . . . . . . . . . . . . 121
Servicing Airbag-Equipped Vehicles . . . . . . . . . . . . . . . . . . . . . . . 79
System Check . . . . . . . . . . . . . . . . . . 68
Alarm Vehicle Security . . . . . . . . . . . . . . . . 42
Alert Lane Change . . . . . . . . . . . . . . . . . 222
Side Blind Zone (SBZA) . . . . . . 222
All-Season Tires . . . . . . . . . . . . . . . . 272
All-Wheel Drive . . . . . . . . . . . . 198, 260
Antilock Brake System (ABS) . . . 198 Warning Light . . . . . . . . . . . . . . . . . 125
Appearance Care Exterior . . . . . . . . . . . . . . . . . . . . . . . 305
Interior . . . . . . . . . . . . . . . . . . . . . . . . 310