CADILLAC CT4 2021 Owner's Guide

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-14584335) -
2021 - CRC - 11/23/20
30 SEATS AND RESTRAINTS
Seats and Restraints
Head Restraints
Head Restraints . . . . . . . . . . . . . . . . . . . . 31
Front Seats
Power Seat Adjustment . . . . . . . . . . . 32
Lumbar Adjustment . . . . . . . . . . . . . . . 32
Thigh Support Adjustment . . . . . . . . 33
Reclining Seatbacks . . . . . . . . . . . . . . . 33
Memory Seats . . . . . . . . . . . . . . . . . . . . . . 34
Heated and Ventilated FrontSeats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Massage . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Rear Seats
Rear Seats . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Seat Belts
Seat Belts . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Buckle To Drive . . . . . . . . . . . . . . . . . . . . 41
How to Wear Seat Belts Properly . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Lap-Shoulder Belt . . . . . . . . . . . . . . . . . . 44
Seat Belt Use During Pregnancy . . . . . . . . . . . . . . . . . . . . . . . . . 46 Seat Belt Extender . . . . . . . . . . . . . . . . . 46
Safety System Check . . . . . . . . . . . . . . 47
Seat Belt Care . . . . . . . . . . . . . . . . . . . . . . 47
Replacing Seat Belt System Parts
after a Crash . . . . . . . . . . . . . . . . . . . . . . 47
Airbag System
Airbag System . . . . . . . . . . . . . . . . . . . . . 48
Where Are the Airbags? . . . . . . . . . . . 49
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 . . . . . . . . 58
Airbag System Check . . . . . . . . . . . . . . 58
Replacing Airbag System Parts after a Crash . . . . . . . . . . . . . . . . . . . . . . 59
Child Restraints
Older Children . . . . . . . . . . . . . . . . . . . . . 59
Infants and Young Children . . . . . . 60
Child Restraint Systems . . . . . . . . . . . 63
Where to Put the Restraint . . . . . . . 64
Lower Anchors and Tethers forChildren (LATCH System) . . . . . . . 65
Replacing LATCH System Parts After a Crash . . . . . . . . . . . . . . . . . . . . . 72
Securing Child Restraints (With the Seat Belt in the
Rear Seat) . . . . . . . . . . . . . . . . . . . . . . . . 72
Securing Child Restraints (With the Seat Belt in the
Front Seat) . . . . . . . . . . . . . . . . . . . . . . . 74

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-14584335) -
2021 - CRC - 11/23/20
SEATS AND RESTRAINTS 31
Head Restraints{
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.
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
The vehicle's front seats have
adjustable head restraints in the
outboard seating positions.
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
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 the head restraint
after the button is released to make
sure that it is locked in place.

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-14584335) -
2021 - CRC - 11/23/20
32 SEATS AND RESTRAINTS
Rear outboard head restraints are not
removable.
The rear seat outboard head restraints
are not intended to be removed.
If removal is required see your dealer
for assistance with removal.
Front Seats
Power 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.
{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 the seat:
.Move the seat forward or rearward
by sliding the control forward or
rearward.
.Raise or lower the seat by moving
the rear of the control up or down.
.If equipped, raise or lower the front
part of the seat cushion by moving
the front of the control up or down.
For vehicles not equipped with front
cushion tilt, the front part of the
control will raise and lower the seat.
If the vehicle is not in P (Park), seat
travel may be limited. Release and
press the seat switch again to
continue movement. If something has blocked the seat
during movement, the movement may
stop. Remove the obstruction and try
the adjustment again. If movement is
still not available, see your dealer.
To adjust the seatback, see
Reclining
Seatbacks 033.
To adjust the lumbar support, see
Lumbar Adjustment 032.
Some vehicles are equipped with a
Safety Alert Seat. This feature
activates a vibrating pulse alert in the
driver seat to help the driver avoid
crashes.
Lumbar Adjustment

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-14584335) -
2021 - CRC - 11/23/20
SEATS AND RESTRAINTS 33
1. To adjust lumbar support,if equipped:
.If equipped, press Up (1) to
move lumbar support upward.
.Press Rearward (2) to move
lumbar support rearward.
.If equipped, press Down (3) to
move lumbar support down.
.Press Forward (4) to move
lumbar support forward.
Uplevel Seat Adjustment
To adjust lumbar support, if equipped:
.Press and release or hold Feature
Select (1) to scroll to lumbar
support on the infotainment display.
.Press Forward (5) or Rearward (3) to
adjust lumbar forward or rearward.
.Press Up (2) or Down (4) to adjust
lumbar up or down.
Bolster Support
To adjust bolster support, if equipped:
Press and release or hold Feature
Select (1) to scroll to bolster support
on the infotainment display. Press
Forward (5) or Rearward (3) to adjust
bolster support inward or outward.
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.
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.

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-14584335) -
2021 - CRC - 11/23/20
34 SEATS AND RESTRAINTS
Do not have a seatback reclined if the
vehicle is moving.
To adjust the seatback:
.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 hold 1, 2, or
Buntil the saved
position is reached. Follow the
instructions under “Saving Memory
Positions.”
The vehicle identifies the current
driver’s remote key number (1–8). See
Remote Keyless Entry (RKE) System
Operation 07. Only remote keys 1 and
2 can be used for automatic memory
recalls. A Driver Information Center
(DIC) welcome message indicating the
remote key number may display for
the first few ignition cycles following a
remote key change. For Seat Entry
Memory to work properly, save the
positions to the memory button
(1 or 2) matching the remote key
number displayed in the DIC welcome
message. Carry the linked remote key
when entering the vehicle.

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-14584335) -
2021 - CRC - 11/23/20
SEATS AND RESTRAINTS 35
Vehicle Personalization Settings
.To have the Seat Entry Memory
movement begin when the vehicle is
started, select the Settings menu,
then Vehicle, then Seating Position,
and then Seat Entry Memory. Select
On or Off. See“Seat Entry Memory ”
later in this section.
.To begin Seat Exit Memory
movement when the vehicle is
turned off and the driver door is
opened, or when the vehicle is
turned off with the driver door
already opened, select the Settings
menu, then Vehicle, then Seating
Position, and then Seat Exit
Memory. Select On or Off. See “Seat
Exit Memory” later in this section.
.SeeVehicle Personalization 0117 for
additional setting information.
Identifying Driver Number
To identify the driver number: 1. Move your remote key away from the vehicle.
2. Start the vehicle with another remote key. The DIC should display
the driver number for the other remote key. Turn the vehicle off
and remove the remote key from
the vehicle.
3. Start the vehicle with the initial remote key. The DIC should display
the driver number of your
remote key.
Saving Memory Positions
Read these instructions completely
before saving memory positions.
To save preferred driving positions
1 and 2: 1. Turn the vehicle on or to ACC/ ACCESSORY with remote key 1
or 2.
A DIC welcome message may
indicate driver number 1 or 2.
2. Adjust all available memory features to the desired driving
position.
3. Press and release SET; a beep will sound.
4. Immediately press and hold the 1 or 2 memory button matching the
above DIC welcome message until
two beeps sound. If too much time passes between
releasing SET and pressing 1, the
memory position will not be saved
and two beeps will not sound.
Repeat Steps 3 and 4.
1 or 2 corresponds to the driver
number. See
“Identifying Driver
Number” previously in this section.
5. Repeat Steps 1–4 for a second driver using 1 or 2.
To save the position for
Band
Seat Exit Memory features, repeat
Steps 1–4 using
B. This saves the
position for getting out of the vehicle.
Save preferred memory feature
positions to both 1 and 2 if you are
the only driver.
Manually Recalling Memory
Positions
Press and hold 1, 2, or
Bto recall the
previously saved memory positions if
you are driver 1 or 2 identified in the
DIC welcome message.

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-14584335) -
2021 - CRC - 11/23/20
36 SEATS AND RESTRAINTS
To stop Manual Memory recall
movement, release 1, 2, or
Bor press
any of the following controls:
.Power seat
.Memory SET
.Power mirror, with the driver or
passenger side mirror selected
.Power steering wheel, if equipped
Manual Memory recall movement for
1, 2, or
Bbuttons may be initiated
and may complete to the saved
memory position if the vehicle is in or
out of P (Park).
Seat Entry Memory
The vehicle identifies the number of
the current driver’s remote key (1–8).
See Remote Keyless Entry (RKE) System
Operation 07. If the remote key is 1 or
2, and Seat Entry Memory is enabled
in vehicle personalization, the
positions saved to the same memory
button number 1 or 2 are
automatically recalled when the
vehicle is turned on. Remote keys 3–8
will not provide automatic memory
recalls. To turn Seat Entry Memory on or off,
see
“Vehicle Personalization Settings”
previously in this section and Vehicle
Personalization 0117.
The shift lever must be in P (Park) to
start Seat Entry Memory. Seat Entry
Memory recall will complete if the
vehicle is shifted out of P (Park) prior
to reaching the saved memory
position.
To stop Seat Entry Memory recall
movement, turn the vehicle off or
press any of the following controls:
.Power seat
.Memory SET, 1, 2, orB
.Power mirror, with the driver or
passenger side mirror selected
.Power steering wheel, if equipped
If the saved memory seat position
does not automatically recall or recalls
to the wrong positions, the driver’s
remote key number (1 or 2) may not
match the memory button number
that positions were saved to. Try
storing the position to the other
memory button or try the other
remote key. Seat Exit Memory
Seat Exit Memory is not linked to a
remote key. The position saved to
B
is used for all drivers. To turn Seat
Exit Memory on or off, see "Vehicle
Personalization Settings" previously in
this section and
Vehicle Personalization
0 117.
If turned on, the position saved to
B
is automatically recalled when one of
the following occurs:
.The vehicle is turned off and the
driver door is opened within a
short time.
.The vehicle is turned off with the
driver door open.
To stop Seat Exit Memory movement,
press any of the following memory
controls:
.Power seat
.Memory SET, 1, 2, orB
.Power mirror, with the driver or
passenger side mirror selected
.Power steering wheel, if equipped

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-14584335) -
2021 - CRC - 11/23/20
SEATS AND RESTRAINTS 37
Obstructions
If something has blocked the driver
seat while recalling a memory
position, the recall may stop. Remove
the obstruction and try the recall
again. If the memory position still
does not recall, see your dealer.
Heated and Ventilated
Front Seats
{Warning
If temperature change or pain to
the skin cannot be felt, the seat
heater may cause burns. To reduce
the risk of burns, use care when
using the seat heater, especially for
long periods of time. Do not place
anything on the seat that insulates
against heat, such as a blanket,
cushion, cover, or similar item. This
may cause the seat heater to
overheat. An overheated seat heater
may cause a burn or may damage
the seat.If equipped, the buttons are near the
climate controls on the center stack.
To operate, the engine must be
running.
Press
Jorzto heat the driver or
passenger seat cushion and seatback.
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 front heated seats are on high, the
level may automatically be lowered
after approximately 30 minutes.
When this feature is off, the heated
and ventilated seat symbols on the
buttons are white. A ventilated seat
has a fan that pulls air through the
seat. The air is not cooled. When a
heated seat is turned on, the symbol
turns red. When a ventilated seat is
turned on, the symbol turns blue.
The passenger seat may take longer to
heat up.
Auto Heated and Ventilated Seats
If the vehicle is equipped with auto
heated or ventilated seats, and the
engine is running, this feature will
automatically activate the heated or
ventilated seats at the level required
by the vehicle's interior temperature.
The active high, medium, low, or off
heated or ventilated seat level will be
indicated by the manual heated and
ventilated seat buttons on the center
stack. Use the manual heated and
ventilated seat buttons on the center
stack to turn auto heated or ventilated
seats off. If the passenger seat is

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-14584335) -
2021 - CRC - 11/23/20
38 SEATS AND RESTRAINTS
unoccupied, the auto heated or
ventilated seats feature will not
activate that seat. The auto heated
and ventilated seats feature can be
programmed to always be enabled
when the vehicle is on. If equipped
with a heated steering wheel, the auto
heated steering wheel activation will
follow the heated seat auto activation
and the heated wheel indicator will
follow the state of the steering
wheel heat.
Remote Start Heated and Ventilated
Seats
If equipped, the heated seats will turn
on automatically during a remote
start if it is cold outside and the
ventilated seats will turn on
automatically if it is hot outside.
If equipped, the heated steering wheel
will turn on automatically during a
remote start if it is cold outside. The
heated and ventilated seat indicators
and heated steering wheel indicator
may come on during this operation.The heated and ventilated seats and
heated steering wheel may cancel
when the vehicle is started. These
features can be manually selected
after the ignition is turned on.
The temperature performance of an
unoccupied seat may be reduced. This
is normal.
The remote start heated or ventilated
seats can be enabled or disabled in
the vehicle personalization menu. See
Remote Vehicle Start
013 and
Vehicle Personalization 0117.
Massage
If equipped, the ignition must be on
to use the massage feature.
To turn the massage feature on or off
press the massage control button.
When the massage feature is turned
off, it will complete the massage cycle
before returning to the initial position.
Rear Seats
Rear Seat Reminder
If equipped, the message REAR SEAT
REMINDER LOOK IN REAR SEAT
displays under certain conditions
indicating there may be an item or
passenger in the rear seat. Check
before exiting the vehicle.
This feature will activate when a
second row door is opened while the
vehicle is on or up to 10 minutes
before the vehicle is turned on. There
will be an alert when the vehicle is
turned off. The alert does not directly
detect objects in the rear seat; instead,
under certain conditions, it detects
when a rear door is opened and
closed, indicating that there may be
something in the rear seat.

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-14584335) -
2021 - CRC - 11/23/20
SEATS AND RESTRAINTS 39
The feature is active only once each
time the vehicle is turned on and off,
and will require reactivation by
opening and closing the second row
doors. There may be an alert even
when there is nothing in the rear seat;
for example, if a child entered the
vehicle through the rear door and left
the vehicle without the vehicle being
shut off.
The feature can be turned on or off.
SeeVehicle Personalization 0117.
Folding the Seatback
Either side of the seatback can be
folded for more cargo space. Fold a
seatback only when the vehicle is not
moving.
Caution
Folding a rear seat with the seat
belts still fastened may cause
damage to the seat or the seat
belts. Always unbuckle the seat
belts and return them to their
normal stowed position before
folding a rear seat. To fold the seatback:
1. Disconnect the rear seat belt
mini-latch using a key in the slot
on the mini-buckle, and let the belt
retract.
2. Pull the lever on top of theseatback toward you to unlock the
seatback.
A red tab near the seatback lever
raises when the seatback is
unlocked.
3. Fold the seatback forward. Repeat Steps 2 and 3 to fold the
other seatback, if desired.