2020 CADILLAC CT4 light

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-13183937) -
2020 - crc - 4/28/20
22 KEYS, DOORS, AND WINDOWS
Emergency Trunk Release
HandleCaution
Do not use the emergency trunk
release handle as a tie-down or
anchor point when securing items
in the trunk as it could damage the
handle.
There is a glow-in-the-dark emergency
trunk release handle on the trunk lid.
This handle will glow following exposure to light. Pull the release
handle to open the trunk from the
inside.
After pulling the emergency trunk
release handle, push the handle back
into the bezel.
Vehicle Security
This vehicle has theft-deterrent
features; however, they do not make
the vehicle impossible to steal.
Vehicle Alarm System
This vehicle has an anti-theft alarm
system.
The indicator light, on the instrument
panel near the windshield, indicates
the status of the system.
Off :
Alarm system is disarmed.
On Solid : Vehicle is secured during
the delay to arm the system.

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-13183937) -
2020 - crc - 4/28/20
KEYS, DOORS, AND WINDOWS 23
Fast Flash :Vehicle is unsecured.
A door, the hood, or the trunk is open.
Slow Flash : Alarm system is armed.
Arming the Alarm System
1. Turn off the vehicle.
2. Lock the vehicle in one of
three ways:
.Use the remote key.
. Use the Keyless Access
system.
. With a door open, press
Qon
the interior of the door.
3. After 30 seconds the alarm system will arm, and the
indicator light will begin to
slowly flash indicating the alarm
system is operating. Pressing
Q
on the remote key a second time
will bypass the 30-second delay
and immediately arm the alarm
system.
The vehicle alarm system will not arm
if the doors are locked with the
mechanical key. If the driver door is opened without
first unlocking with the remote key,
the horn will chirp and the lights will
flash to indicate pre-alarm. If the
vehicle is not started, or the door is
not unlocked by pressing
Kon the
remote key during the 10-second
pre-alarm, the alarm will be activated.
The alarm will also be activated if a
passenger door, the trunk, or the hood
is opened without first disarming the
system. When the alarm is activated,
the turn signals flash and the horn
sounds for about 30 seconds. The
alarm system will then re-arm to
monitor the next unauthorized event.
Disarming the Alarm System
To disarm the alarm system or turn
off the alarm if it has been activated:
. Press
Kon the remote key.
. Unlock the vehicle using the
Keyless Access system.
. Start the vehicle.
To avoid setting off the alarm by
accident: .
Lock the vehicle after all
occupants have left the vehicle
and all doors are closed.
. Always unlock a door with the
remote key or use the Keyless
Access system.
Unlatching the driver door with the
mechanical key will not disarm the
system or turn off the alarm.
How to Detect a Tamper
Condition
IfKis pressed on the remote key and
the horn chirps and the lights flash
three times, a previous alarm occurred
while the system was armed.
If the alarm has been activated, a
message will appear on the DIC.
Power Sounder, Inclination
Sensor, and Intrusion Sensor
In addition to the standard
theft-deterrent system features, this
system may also have a power
sounder, inclination sensor, and
intrusion sensor.

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-13183937) -
2020 - crc - 4/28/20
24 KEYS, DOORS, AND WINDOWS
The power sounder provides an
audible alarm which is distinct from
the vehicle’s horn. It has its own
power source, and can sound an alarm
if the vehicle’s battery is
compromised.
The inclination sensor can set off the
alarm if it senses movement of the
vehicle, such as when a tire is
removed. Make sure the vehicle's
alarm is not armed prior to any
jacking.
The intrusion sensor monitors the
vehicle interior, and can activate the
alarm if it senses unauthorized entry
into the vehicle's interior. Do not allow
passengers or pets to remain in the
vehicle when the intrusion sensor is
activated.
Before arming the theft-deterrent
system and activating the intrusion
sensor:
.Make sure all doors and windows
are completely closed.
. Secure any loose items such as
sun glasses. .
Make sure there are no
obstructions blocking the sensors
in the front overhead console.
Inclination and Intrusion Sensor
Disable Switch
It is recommended that the intrusion
and inclination sensor be deactivated
if pets are left in the vehicle or the
vehicle is being transported. With the
vehicle turned off, press
oin the
front overhead console. The indicator
light will come on momentarily,
indicating that these sensors have
been disabled for the next alarm
system arming cycle.
Immobilizer
See Radio Frequency Statement 0330.
Immobilizer Operation
This vehicle has a passive
theft-deterrent system.
The system does not have to be
manually armed or disarmed.
The vehicle is automatically
immobilized when the vehicle is
turned off.
The immobilization system is
disarmed when the ignition is turned
on or to ACC/ACCESSORY and a valid
remote key is present in the vehicle.
The security light, in the instrument
cluster, comes on if there is a problem
with arming or disarming the
theft-deterrent system.

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-13183937) -
2020 - crc - 4/28/20
KEYS, DOORS, AND WINDOWS 25
The system has one or more remote
keys matched to an immobilizer
control unit in the vehicle. Only a
correctly matched remote key will
start the vehicle. If the remote key is
ever damaged, you may not be able to
start your vehicle.
When trying to start the vehicle, the
security light may come on briefly.
If the engine does not start and the
security light stays on, there is a
problem with the system. Turn the
ignition off and try again.
If the vehicle will not change ignition
modes (ACC/ACCESSORY, on, off), and
the remote key appears to be
undamaged, try another remote key.
Or, you may try placing the remote
key in the backup location. See
Remote Keyless Entry (RKE) System
Operation08.
If the ignition modes will not change
with the other remote key or in the
backup location, the vehicle needs
service. If the ignition does change
modes, the first remote key may be
faulty. See your dealer. It is possible for the immobilizer
system to learn new or replacement
remote keys. Up to eight remote keys
can be programmed for the vehicle. To
program additional remote keys, see
“Programming Remote Keys to the
Vehicle
”under Remote Keyless Entry
(RKE) System Operation 08.
Do not leave the remote key or device
that disarms or deactivates the
theft-deterrent system in the vehicle.Exterior Mirrors
Convex Mirrors
{Warning
A convex mirror can make things,
like other vehicles, look farther
away than they really are. If you cut
too sharply into the right lane, you
could hit a vehicle on the right.
Check the inside mirror or glance
over your shoulder before changing
lanes.
The passenger side mirror is convex
shaped. A convex mirror's surface is
curved so more can be seen from the
driver seat.

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-13183937) -
2020 - crc - 4/28/20
26 KEYS, DOORS, AND WINDOWS
Power Mirrors
To adjust each mirror:1. Press
jor|to select the driver
or passenger side mirror. The
indicator light will illuminate.
2. Press the arrows on the control pad to move the mirror in the
desired direction.
3. Adjust each outside mirror so that a little of the vehicle and
the area behind it can be seen.
4. Press
jor|again to deselect
the mirror.
Memory Mirrors
The vehicle may have memory
mirrors. See Memory Seats 037.
Side Blind Zone Alert (SBZA)
The vehicle may have SBZA. See Side
Blind Zone Alert (SBZA) 0217.
Lane Change Alert (LCA)
The vehicle may have LCA. See Lane
Change Alert (LCA) 0217.
Folding Mirrors
Manual Folding Mirrors
The mirrors can be folded inward
toward the vehicle to prevent damage
when going through an automatic car
wash. Push the mirror outward to
return it to the original position.
Power Folding Mirrors
If equipped, pressgto power fold the
mirrors. Press
gagain to unfold.
The outside mirrors may
automatically unfold when the vehicle
is driven above 20 km/h (12 mph), but
may be folded with the power folding
mirror switch. If the vehicle speed is
driven above 40 km/h (25 mph), they
may automatically unfold and may
not be refolded with the power folding
mirror switch.

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-13183937) -
2020 - crc - 4/28/20
KEYS, DOORS, AND WINDOWS 29
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. SeeKeys07.
Power windows work when the
ignition is on, in ACC/ACCESSORY,
or when Retained Accessory Power
(RAP) is active. See Retained Accessory
Power (RAP) 0163.
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.
Window Lockout
With Folding Mirrors, Without Folding Mirrors Similar
This feature stops the rear passenger
window switches from working.
. Press
{2to engage the rear
window lockout feature. The
indicator light is on when engaged.
The rear door safety locks will also
engage.
. Press
{2again to disengage.
The rear door safety locks will also
disengage.

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-13183937) -
2020 - crc - 4/28/20
32 KEYS, DOORS, AND WINDOWS
Automatic Reversal System
The sunroof, if equipped, has an
automatic reversal system that is only
active when the sunroof is operated in
express-close mode.
If an object is in the path while
express-closing, the reversal system
will detect an object, stop, and open
the sunroof slightly.
If this condition occurs, attempt to
remove the object, then pull and
release the switch to express close.
If the reversal occurs multiple times,
the DIC message OPEN THEN CLOSE
SUNROOF will display, and express is
disabled. To operate sunroof while
express is disabled, the switch must
be either pressed or pulled and held.
Dirt and debris may collect on the
sunroof seal or in the track. This
could cause an issue with sunroof
operation or noise. It could also plug
the water drainage system.
Periodically open the sunroof and
remove any obstacles or loose debris.
Wipe the sunroof seal and roof sealing
area using a clean cloth, mild soap,
and water. Do not remove grease from
the sunroof.

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-13183937) -
2020 - crc - 4/28/20
SEATS AND RESTRAINTS 41
PressCor{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 on, 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
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.
See
Vehicle Personalization 0116. 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
will 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 heated or ventilated seats will not
turn on during a remote start unless
they are enabled in the vehicle
personalization menu. See
Remote
Vehicle Start 014 and
Vehicle Personalization 0116.