
Buick Regal Owner Manual (GMNA-Localizing-2nd Timed Print-U.S./Canada-
11486030) - 2018 - crc - 3/23/18
In Brief 11
The power windows work when the
ignition is on, in ACC/ACCESSORY,
or when Retained Accessory Power
(RAP) is active. SeeRetained
Accessory Power (RAP) 0191.
Using the window switch, press to
open or pull to close the window.
The windows may be temporarily
disabled if they are used repeatedly
within a short time.
See Power Windows 055.
Seat Adjustment
Manual Seats
{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. 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.
See Seat Adjustment 062.

Buick Regal Owner Manual (GMNA-Localizing-2nd Timed Print-U.S./Canada-
11486030) - 2018 - crc - 3/23/18
In Brief 15
Heated and Ventilated
Seats
If equipped, the buttons are near the
climate controls on the center stack.
To operate, the ignition must be on.
Press
MorLto heat the driver or
passenger seat cushion.
Press
Cor{to ventilate the driver
or passenger seat.
Press the button once for the
highest setting. With each press of
the button, the seat will change to
the next lower setting, and then to
the off setting. The indicator lights next to the buttons indicate three for
the highest setting and one for the
lowest. If the heated seats are on
high, the level may automatically be
lowered after approximately
30 minutes.
See
Heated and Ventilated Front
Seats 069.
Head Restraint
Adjustment
Do not drive until the head restraints
for all occupants are installed and
adjusted properly.
To achieve a comfortable seating
position, change the seatback
recline angle as little as necessary
while keeping the seat and the head
restraint height in the proper
position.
See Head Restraints 060 and
Power Seat Adjustment 063.
Seat Belts
Refer to the following sections for
important information on how to use
seat belts properly:
.
Seat Belts 073.
. How to Wear Seat Belts Properly
074.
. Lap-Shoulder Belt 075.
. Lower Anchors and Tethers for
Children (LATCH System) 098.

Buick Regal Owner Manual (GMNA-Localizing-2nd Timed Print-U.S./Canada-
11486030) - 2018 - crc - 3/23/18
Keys, Doors, and Windows 45
Station Wagon Shown, HatchbackSimilar
.
|under the open liftgate.
If equipped with a power liftgate, the
switch is on the driver door. The
vehicle must be in P (Park).
The modes are:
. MAX: Opens to maximum
height.
. 3/4: Opens to a reduced height
that can be set from 3/4 to fully
open. Use to prevent the liftgate
from opening into overhead
obstructions such as a garage
door or roof-mounted cargo. The
liftgate can be manually opened
all the way.
. OFF: Opens manually only.
To power open or close the liftgate,
select MAX or 3/4 mode.
. Press
btwice on the RKE
transmitter.
. Press
8on the driver door.
The driver door must either be
unlocked or locked without the
security armed.
. Press the touch pad switch
under the emblem. .
Press
|on the open liftgate.
Press any liftgate switch while the
liftgate is moving to reverse the
direction.
The power liftgate may be
temporarily disabled under extreme
low temperatures, or after repeated
power cycling over a short period of
time. If this occurs, the liftgate can
still be operated manually.
If the vehicle is shifted out of
P (Park) while the power function is
in progress, the liftgate will continue
to completion. If the vehicle is
accelerated before the liftgate has
completed moving, the liftgate may
stop or reverse direction. Check for
DIC messages and make sure the
liftgate is closed and latched before
driving.
Falling Liftgate Detection
If the power liftgate automatically
closes after a power opening cycle,
it indicates that the system is
reacting to excess weight on the
liftgate or a possible support strut
failure. A repetitive chime will sound

Buick Regal Owner Manual (GMNA-Localizing-2nd Timed Print-U.S./Canada-
11486030) - 2018 - crc - 3/23/18
46 Keys, Doors, and Windows
while the falling liftgate detection
feature is operating. Remove any
excess weight. If the liftgate
continues to automatically close
after opening, see your dealer for
service before using the power
liftgate.
Interfering with the power liftgate
motion or manually closing the
liftgate too quickly after power
opening may resemble a support
strut failure. This could also activate
the falling liftgate detection feature.
Allow the liftgate to complete its
operation and wait a few seconds
before manually closing the liftgate.
Obstacle Detection Features
If the liftgate encounters an obstacle
during a power open or close cycle,
the liftgate will automatically reverse
direction and move a short distance
away from the obstacle. After
removing the obstruction, the power
liftgate can be used again. If the
liftgate encounters multiple
obstacles on the same power cycle,
the power function will deactivate.
After removing the obstructions,manually close the liftgate. This will
allow normal power operation
functions to resume.
If the vehicle is locked while the
liftgate is closing, and an obstacle is
encountered that prevents the
liftgate from completely closing, the
horn will sound as an alert that the
liftgate did not close.
Pinch sensors are on the side
edges of the liftgate. If an object is
caught between the liftgate and the
vehicle and presses against a
sensor, the liftgate will reverse
direction and open fully. The liftgate
will remain open until it is activated
again or closed manually.Setting the 3/4 Mode
To change the position the liftgate
stops at when opening:
1. Select MAX or 3/4 mode and power open the liftgate.
2. Stop the liftgate movement at the desired height by pressing
any liftgate switch. Manually
adjust the liftgate position if
needed. 3. Press and hold
|under the
open liftgate until the turn
signals flash and a beep
sounds. This indicates the
setting has been recorded.
The liftgate cannot be set below a
minimum programmable height.
If there is no light flash or sound,
then the height adjustment may be
too low.
Manual Operation
Select OFF to manually operate the
liftgate. See “Manual Liftgate” at the
beginning of this section.
Caution
Attempting to move the liftgate
too quickly and with excessive
force may result in damage to the
vehicle.
Operate the liftgate manually with a
smooth motion and moderate
speed. The system includes a

Buick Regal Owner Manual (GMNA-Localizing-2nd Timed Print-U.S./Canada-
11486030) - 2018 - crc - 3/23/18
60 Seats and Restraints
Head Restraints
If equipped with base seats, the
vehicle’s front seats have adjustable
head restraints in the outboard
seating positions.
If equipped with GS Model seats,
the vehicle’s front seats have head
restraints in the outboard seating
positions that cannot be adjusted.
{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.If equipped with base seats, 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.
Front Seats
If equipped, the vehicle's front seats
have adjustable head restraints in
the outboard seating positions.
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.

Buick Regal Owner Manual (GMNA-Localizing-2nd Timed Print-U.S./Canada-
11486030) - 2018 - crc - 3/23/18
Seats and Restraints 61
Rear Seats
Second Row Seats
The vehicle’s rear seat has
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. Try to move thehead restraint after the button is
released to make sure that it is
locked in place.
Always adjust the head restraint so
that the top of the restraint is at the
same height as the top of the
occupant's head.
The rear seat outboard head
restraints are not intended to be
removed. If removal is required see
your dealer for assistance with
removal. In the event of an
emergency, the following can be
used as removal and installation
instructions. Store the removed
head restraints in a secure place.
Reinstall the head restraints before
the seating position is occupied.
Head Restraint Removal and
Reinstallation
To remove the head restraint:
1. Partially fold the seatback forward. See Rear Seats071
for additional information.
2. Press both buttons on the head restraint posts at the same
time, and pull up on the head
restraint.
3. Store the head restraint in a secure place.
{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
(Continued)

Buick Regal Owner Manual (GMNA-Localizing-2nd Timed Print-U.S./Canada-
11486030) - 2018 - crc - 3/23/18
62 Seats and Restraints
Warning (Continued)
drive until the head restraints for
all occupants are installed and
adjusted properly.
To reinstall the head restraint:
1. Insert the head restraint posts into the holes in the top of the
seatback. The notches on the
posts must face the driver side
of the vehicle. 2. Push the head restraint down.
If necessary, press the height
adjustment release button to
further lower the head restraint.
3. Try to move the head restraint to make sure that it is locked in
place.
Front Seats
Seat Adjustment
Manual Seats
{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.

Buick Regal Owner Manual (GMNA-Localizing-2nd Timed Print-U.S./Canada-
11486030) - 2018 - crc - 3/23/18
Seats and Restraints 63
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
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 064. To adjust the lumbar support, see
Lumbar Adjustment
063.
Lumbar Adjustment
Four-Way Shown, Two-Way
Similar
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.