Page 39 of 378

Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada-13557849) -
2020 - CRC - 6/25/19
38 Seats and Restraints
Seats and
Restraints
Head Restraints
Head Restraints . . . . . . . . . . . . . . . 39
Front Seats
Seat Adjustment . . . . . . . . . . . . . . . 41
Power Seat Adjustment . . . . . . . . 42
Lumbar Adjustment . . . . . . . . . . . . 43
Thigh Support Adjustment . . . . . 43
Reclining Seatbacks . . . . . . . . . . . 44
Memory Seats . . . . . . . . . . . . . . . . . 45
Heated and Ventilated FrontSeats . . . . . . . . . . . . . . . . . . . . . . . . . 48
Massage . . . . . . . . . . . . . . . . . . . . . . . 49
Rear Seats
Rear Seats . . . . . . . . . . . . . . . . . . . . 50
Seat Belts
Seat Belts . . . . . . . . . . . . . . . . . . . . . 52
How to Wear Seat Belts Properly . . . . . . . . . . . . . . . . . . . . . . 53
Lap-Shoulder Belt . . . . . . . . . . . . . 55
Seat Belt Use During Pregnancy . . . . . . . . . . . . . . . . . . . . 57
Seat Belt Extender . . . . . . . . . . . . . 58
Safety System Check . . . . . . . . . . 58 Seat Belt Care . . . . . . . . . . . . . . . . . 58
Replacing Seat Belt System
Parts after a Crash . . . . . . . . . . . 59
Airbag System
Airbag System . . . . . . . . . . . . . . . . . 59
Where Are the Airbags? . . . . . . . 61
When Should an AirbagInflate? . . . . . . . . . . . . . . . . . . . . . . . 62
What Makes an Airbag Inflate? . . . . . . . . . . . . . . . . . . . . . . . 63
How Does an Airbag Restrain? . . . . . . . . . . . . . . . . . . . . . 64
What Will You See after an Airbag Inflates? . . . . . . . . . . . . . . 64
Passenger Sensing System . . . 65
Servicing the Airbag-Equipped Vehicle . . . . . . . . . . . . . . . . . . . . . . . 70
Adding Equipment to the Airbag-Equipped Vehicle . . . . . 70
Airbag System Check . . . . . . . . . . 71
Replacing Airbag System Parts after a Crash . . . . . . . . . . . . . . . . . 71
Child Restraints
Older Children . . . . . . . . . . . . . . . . . 72
Infants and Young Children . . . . 73
Child Restraint Systems . . . . . . . 76
Where to Put the Restraint . . . . . 77
Lower Anchors and Tethers forChildren (LATCH System) . . . . 78 Replacing LATCH System Parts
After a Crash . . . . . . . . . . . . . . . . . 85
Securing Child Restraints (With the Seat Belt in the
Rear Seat) . . . . . . . . . . . . . . . . . . . 86
Securing Child Restraints (With the Seat Belt in the
Front Seat) . . . . . . . . . . . . . . . . . . . 88
Pedestrian Protection System
Pedestrian ProtectionSystem . . . . . . . . . . . . . . . . . . . . . . . 90
Page 43 of 378

Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada-13557849) -
2020 - CRC - 6/25/19
42 Seats and Restraints
To adjust a manual seat:1. Pull up on the handle at the front of the seat.
2. Slide the seat to the desired position and release the
handle.
3. Try to move the seat back and forth to be sure it is locked in
place.
Seat Height Adjuster
If available, 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 044.
To adjust the lumbar support, see
Lumbar Adjustment 043.
Page 44 of 378
Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada-13557849) -
2020 - CRC - 6/25/19
Seats and Restraints 43
Lumbar Adjustment
Four-Way Shown, Two-WaySimilar
To adjust the lumbar support,
if equipped:
. Press and hold the front or rear
of the control to increase or
decrease lumbar support.
. If equipped, press and hold the
top or bottom of the control to
raise or lower lumbar support. Back Bolster AdjustmentTo adjust the back bolster support,
if equipped:
.
Press and hold the front of the
control to decrease back bolster
support.
. Press and hold the rear of the
control to increase back bolster
support.
Thigh Support
Adjustment
If equipped, pull up on the lever.
Then pull or push on the support to
lengthen or shorten. Release the
lever to lock in place.
Page 366 of 378

Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada-13557849) -
2020 - CRC - 6/25/19
Index 365
IndexA
Accessories andModifications . . . . . . . . . . . . . . . . . . 232
Accessory Power . . . . . . . . . . . . . . . 181
Active Fuel Management . . . . . . . 182
Adaptive Cruise Control . . . . . . . . 196
Adaptive Forward Lighting (AFL) . . . . . . . . . . . . . . . . . 149
Adaptive Forward Lighting (AFL) Light . . . . . . . . . . . . . . . . . . . . 127
Add-On Electrical Equipment . . . 229
Additional Information OnStar . . . . . . . . . . . . . . . . . . . . . . . 356
Additional Maintenance
and Care . . . . . . . . . . . . . . . . . . . . . . 330
Adjustments Lumbar, Front Seats . . . . . . . . . . . . 43
Thigh Support . . . . . . . . . . . . . . . . . . 43
Air Cleaner/Filter, Engine . . . . . . . 242
Air Conditioning . . . . . . . . . . . . . . . . 156
Air Filter, Passenger
Compartment . . . . . . . . . . . . . . . . . 162
Air Vents . . . . . . . . . . . . . . . . . . . . . . . 161
Airbag System Check . . . . . . . . . . . . . . . . . . . . . . . . . . 71
How Does an AirbagRestrain? . . . . . . . . . . . . . . . . . . . . . 64
Passenger Sensing System . . . . 65 Airbag System (cont'd)
What Makes an Airbag
Inflate? . . . . . . . . . . . . . . . . . . . . . . . . 63
What Will You See after an
Airbag Inflates? . . . . . . . . . . . . . . . 64
When Should an Airbag Inflate? . . . . . . . . . . . . . . . . . . . . . . . . 62
Where Are the Airbags? . . . . . . . . 61
Airbags
Adding Equipment to theVehicle . . . . . . . . . . . . . . . . . . . . . . . . 70
Passenger Status Indicator . . . .118
Readiness Light . . . . . . . . . . . . . . .118
Servicing Airbag-Equipped Vehicles . . . . . . . . . . . . . . . . . . . . . . . 70
System Check . . . . . . . . . . . . . . . . . . 59
Alarm Vehicle Security . . . . . . . . . . . . . . . . 29
Alert Lane Change . . . . . . . . . . . . . . . . . 213
Side Blind Zone (SBZA) . . . . . . 213
All-Season Tires . . . . . . . . . . . . . . . . 266
All-Wheel Drive . . . . . . . . . . . . 187, 252
Antilock Brake System (ABS) . . . 188 Warning Light . . . . . . . . . . . . . . . . . 122
Appearance Care Exterior . . . . . . . . . . . . . . . . . . . . . . . 313
Interior . . . . . . . . . . . . . . . . . . . . . . . . 317