2021 CADILLAC CT4 child

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-14584335) -
2021 - CRC - 11/23/20
INTRODUCTION 3
H:Flammable
[:Forward Collision Alert
R:Fuse Block Cover Lock Location
+:Fuses
j:ISOFIX/LATCH System Child
Restraints
Q: Keep Fuse Block Covers Properly
Installed
|: Lane Change Alert
@:Lane Departure Warning
A:Lane Keep Assist
*: Malfunction Indicator Lamp
::Oil Pressure
X:Park Assist
~:Pedestrian Ahead Indicator
O:Power
7:Rear Cross Traffic Alert
I:Registered Technician
/:Remote Vehicle Start
h:Risk of Electrical Fire
>:Seat Belt Reminders
I:Side Blind Zone Alert
h:Stop/Start
7:Tire Pressure Monitor
d:Traction Control/StabiliTrak/
Electronic Stability Control (ESC)
a: Under Pressure
V: Vehicle Ahead Indicator

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-14584335) -
2021 - CRC - 11/23/20
6 KEYS, DOORS, AND WINDOWS
Keys, Doors, and
Windows
Keys and Locks
Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Remote Keyless Entry (RKE)System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Remote Keyless Entry (RKE) System Operation . . . . . . . . . . . . . . . . . 7
Remote Vehicle Start . . . . . . . . . . . . . . 13
Door Locks . . . . . . . . . . . . . . . . . . . . . . . . . 15
Power Door Locks . . . . . . . . . . . . . . . . . 17
Delayed Locking . . . . . . . . . . . . . . . . . . . 17
Automatic Door Locks . . . . . . . . . . . . 17
Lockout Protection . . . . . . . . . . . . . . . . 18
Safety Locks . . . . . . . . . . . . . . . . . . . . . . . . 18
Doors
Trunk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Vehicle Security
Vehicle Security . . . . . . . . . . . . . . . . . . . . 20
Vehicle Alarm System . . . . . . . . . . . . . 20
Immobilizer . . . . . . . . . . . . . . . . . . . . . . . . 22
Immobilizer Operation . . . . . . . . . . . . 23
Exterior Mirrors
Convex Mirrors . . . . . . . . . . . . . . . . . . . . 23
Power Mirrors . . . . . . . . . . . . . . . . . . . . . . 24
Folding Mirrors . . . . . . . . . . . . . . . . . . . . 24
Heated Mirrors . . . . . . . . . . . . . . . . . . . . . 25
Automatic Dimming Mirror . . . . . . . 25
Reverse Tilt Mirrors . . . . . . . . . . . . . . . 25
Interior Mirrors
Interior Rearview Mirrors . . . . . . . . . 26
Manual Rearview Mirror . . . . . . . . . . 26
Automatic Dimming Rearview Mirror . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Windows
Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Power Windows . . . . . . . . . . . . . . . . . . . . 26
Sun Visors . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Roof
Sunroof . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Keys and Locks
Keys
{Warning
Leaving children in a vehicle with a
remote key is dangerous and
children or others could be
seriously injured or killed. They
could operate the power windows
or other controls or make the
vehicle move. The windows will
function with the remote key in the
vehicle, and children or others
could be caught in the path of a
closing window. Do not leave
children in a vehicle with a
remote key.

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-14584335) -
2021 - CRC - 11/23/20
12 KEYS, DOORS, AND WINDOWS
POCKET THEN START YOUR
VEHICLE, follow the steps shown
below:
1. Place the remote key into the rearcupholder.
2. With the vehicle in P (Park) or N (Neutral) press the brake pedal
and ENGINE START/STOP.
Replace the remote key battery as
soon as possible.
Battery Replacement
{Warning
Never allow children to play with
the remote key. The remote key
contains a small battery, which can
be a choking hazard. If swallowed,
internal burns can occur, resulting
in severe injury or death. Seek
medical attention immediately if a
battery is swallowed.
{Warning
To avoid personal injury, do not
touch metal surfaces on the remote
key when it has been exposed to
extreme heat. These surfaces can be
hot to the touch at temperatures
above 59 °C (138 °F).
Caution
When replacing the battery, do not
touch any of the circuitry on the
remote key. Static from your body
could damage the remote key.
Caution
Always replace the battery with the
correct type. Replacing the battery
with an incorrect type could
potentially create a risk of battery
explosion. Dispose of used batteries
according to instructions and local
laws. Do not attempt to burn,
crush, or cut the used battery, and
avoid exposing the battery to
environments with extremely low
air pressures or high temperatures.
Replace the battery if the DIC displays
REPLACE BATTERY IN KEY.

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-14584335) -
2021 - CRC - 11/23/20
KEYS, DOORS, AND WINDOWS 15
Door Locks
{Warning
Unlocked doors can be dangerous.
.Passengers, especially children,
can easily open the doors and
fall out of a moving vehicle. The
doors can be unlocked and
opened while the vehicle is
moving. The chance of being
thrown out of the vehicle in a
crash is increased if the doors are
not locked. So, all passengers
should wear seat belts properly
and the doors should be locked
whenever the vehicle is driven.
.Young children who get into
unlocked vehicles may be unable
to get out. A child can be
overcome by extreme heat and
can suffer permanent injuries or
even death from heat stroke.
Always lock the vehicle whenever
leaving it.
.Outsiders can easily enter
through an unlocked door when
you slow down or stop the(Continued)
Warning (Continued)
vehicle. Locking the doors can
help prevent this from
happening.
To lock or unlock the doors from
outside the vehicle:
.PressQorKon the remote key.
See Remote Keyless Entry (RKE)
System Operation 07.
.Use the mechanical key in the
driver door. The key lock cylinder is
covered with a cap.
See “Driver Door Key Lock Cylinder
Access (In Case of Dead Battery)”
later in this section.
To lock or unlock the doors from
inside the vehicle:
.PressQorKon the power door
lock switch.
.Pull once on the door handle to
unlock the door and again to open
the door. Keyless Access
When the doors are locked and the
remote key is within 1 m (3 ft) of the
driver door handle, press the lock/
unlock button. When unlocking from
the driver door, the first press unlocks
that door; press again within
five seconds to unlock the passenger
door and the trunk. See
Remote
Keyless Entry (RKE) System Operation
0 7.

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-14584335) -
2021 - CRC - 11/23/20
26 KEYS, DOORS, AND WINDOWS
Turn this feature on or off through
vehicle personalization. SeeVehicle
Personalization 0117.
Interior Mirrors
Interior Rearview Mirrors
Adjust the rearview mirror for a clear
view of the area behind the vehicle.
Do not spray glass cleaner directly on
the mirror. Use a soft towel dampened
with water.
Manual Rearview Mirror
If equipped, push the tab forward for
daytime use and pull it rearward for
nighttime use to avoid glare of the
headlamps from behind.
Automatic Dimming
Rearview Mirror
If equipped, automatic dimming
reduces the glare of headlamps from
behind. The dimming feature comes
on when the vehicle is started.
Windows
{
Warning
Never leave a child, a helpless adult,
or a pet alone in a vehicle,
especially with the windows closed
in warm or hot weather. They can
be overcome by the extreme heat
and suffer permanent injuries or
even death from heat stroke.
The vehicle aerodynamics are
designed to improve fuel economy
performance. This may result in a
pulsing sound when either rear
window is down and the front windows are up. To reduce the sound,
open either a front window or the
sunroof, if equipped.
Power Windows
{Warning
Children could be seriously injured
or killed if caught in the path of a
closing window. Never leave the
remote key in a vehicle with
children. When there are children in
the rear seat, use the window
lockout switch to prevent operation
of the windows. See
Keys06.

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
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 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.