Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-16500442) -
2023 - CRC - 5/4/22
Keys, Doors, and Windows
25
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.
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
Q
on 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
K
on 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
K
on the remote key.
.
Unlock the vehicle using the
Keyless Access system.
.
Start the vehicle.
