2018 CADILLAC CT6 lock

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-11292458) -
2018 - crc - 2/14/17
46 KEYS, DOORS, AND WINDOWS
Automatic door locking cannot be
disabled. Automatic door unlocking
can be programmed. SeeVehicle
Personalization 0170.
Lockout Protection
If the ignition is on or in ACC/
ACCESSORY, and the power door lock
switch is pressed with the driver door
open, all the doors will lock and only
the driver door will unlock.
If the vehicle is off and locking is
requested while a door is open, when
all doors are closed the vehicle will
check for RKE transmitters inside.
If an RKE transmitter is detected and
the number of RKE transmitters inside
has not reduced, the driver door will
unlock and the horn will chirp three
times. Lockout protection can be
manually overridden with the driver
door open by pressing and holding
Q
on the power door lock switch.
Unlocked Door Anti-Lockout
If Unlocked Door Anti-Lockout is
turned on and the vehicle is off, the
driver door is open, and locking is
requested, all the doors will lock and only the driver door will unlock. The
Unlocked Door Anti-Lockout feature
can be turned on or off using the
vehicle personalization menus. See
Vehicle Personalization
0170.
Safety Locks
The rear door safety locks prevent
passengers from opening the rear
doors from inside the vehicle.
Manual Safety Locks
If equipped, the safety lock is on the
inside edge of the rear doors. To use
the safety lock: 1. Move the lever down to the lock
position.
2. Close the door.
3. Do the same for the other rear door.
To open a rear door when the safety
lock is on:
1. Unlock the door by activating the inside handle, by pressing the
power door lock switch, or by
using the Remote Keyless
Entry (RKE) transmitter.
2. Open the door from the outside.
When the safety lock is enabled,
adults and older children will not be
able to open the rear door from the
inside. Cancel the safety locks to
enable the doors to open from the
inside.
To cancel the safety lock: 1. Unlock the door and open it from the outside.
2. Move the lever up to unlock. Do the same for the other door.

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-11292458) -
2018 - crc - 2/14/17
KEYS, DOORS, AND WINDOWS 47
Doors
Trunk
{Warning
Exhaust gases can enter the vehicle
if it is driven with the liftgate or
trunk/hatch open, or with any
objects that pass through the seal
between the body and the trunk/
hatch or liftgate. Engine exhaust
contains carbon monoxide (CO)
which cannot be seen or smelled.
It can cause unconsciousness and
even death.
If the vehicle must be driven with
the liftgate or trunk/hatch open:. Close all of the windows.
. Fully open the air outlets on
or under the instrument
panel.
. Adjust the climate control
system to a setting that
brings in only outside air and
(Continued)
Warning (Continued)
set the fan speed to the
highest setting. See “Climate
Control Systems” in the Index.
See Engine Exhaust 0230.
To open the trunk, the vehicle must
be off or the shift lever must be in
P (Park).
Manual Trunk
. Press|on the driver door. .
Press
Xtwice quickly on the
Remote Keyless Entry (RKE)
transmitter.
. Press the touch pad on the rear of
the trunk above the license plate
when all doors are unlocked.
For Keyless Access, the trunk can be
opened while the vehicle is locked by
pressing the touch pad above the
license plate while the RKE
transmitter is within 1 m (3 ft) of the
rear of the vehicle. See Remote Keyless
Entry (RKE) System Operation 035.

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-11292458) -
2018 - crc - 2/14/17
KEYS, DOORS, AND WINDOWS 49
Power TrunkCaution
You or others could be injured if
caught in the path of the power
trunk. Make sure there is no one in
the way of the power trunk as it is
opening and closing.
Caution
Do not mount any load-carrying
accessories, such as a bike rack or
luggage carriers, to the trunk of a
vehicle equipped with the power
trunk feature. This may damage the
power trunk system.
If equipped, to open the power trunk:
. Press and release
|on the
driver door. The driver door must
be unlocked, the ignition must be
on, or Retained Accessory Power
(RAP) must be active. .
Press
Xtwice quickly on the RKE
transmitter.
. Press the touch pad on the rear of
the trunk after unlocking all doors
or with the RKE transmitter in
range for Keyless Access.
Monitor the trunk area to make sure
nothing will come in contact or move
into the path of the trunk lid when
power closing.
To close the power trunk:
. Press and hold
|on the driver
door until the trunk latches.
A chime will sound and a DIC
message will display when the
operation is complete.. Press the power trunk button on
the trunk lid.
Press any trunk button or the touch
pad to stop the power operation.
Pressing a trunk button again starts
the operation in the reverse direction.
The touch pad will not close the
trunk lid.
Do not manually force the trunk lid
open or closed during a power cycle.
The power trunk may be temporarily
disabled under extreme low
temperatures, or after repeated power
cycling over a short period of time.
The trunk can be opened manually.

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-11292458) -
2018 - crc - 2/14/17
50 KEYS, DOORS, AND WINDOWS
Obstacle Detection Features
If there is an obstruction during a
power open or close cycle, a closing
trunk will reverse direction and an
opening trunk will stop power
operation. If there are multiple
obstructions on the same power cycle,
the power function will deactivate.
After removing the obstructions,
manually close the trunk lid to allow
normal power operation functions to
resume.
If the vehicle is locked and an
obstacle prevents the trunk from
closing and latching, the horn will
sound as an alert that the trunk did
not close.
Hands-Free Power Trunk
If equipped, the power trunk may be
operated with a kicking motion under
the rear bumper. The RKE transmitter
must be within 1 m (3 ft).
The hands-free feature will not work
while the trunk lid is moving. To stop
the trunk while in motion, use one of
the power trunk buttons.
To operate, kick your foot straight up
in one swift motion under the center
of the rear bumper, then pull it back.
.Do not sweep your foot side
to side. .
Do not keep your foot under the
bumper; it will not activate.
. Do not touch the trunk lid until it
has stopped moving.
. This feature may be temporarily
disabled under some conditions.
If it does not respond to the kick,
operate the power trunk by
another method or start the
vehicle and the feature will be
re-enabled.
When closing the power trunk using
this feature, there will be a short
delay. The taillamps will flash and a
chime will sound. Move away from the
trunk before it starts moving.
Rear Seat Pass-Through
(Gasoline Only)
Use the rear seat pass-through door
when transporting long items. See
Rear Seat Pass-Through Door 077.

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-11292458) -
2018 - crc - 2/14/17
52 KEYS, DOORS, AND WINDOWS
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 RKE transmitter.
. 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 RKE transmitter 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 key. If the driver door is opened without
first unlocking with the RKE
transmitter, 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 RKE transmitter
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 RKE transmitter.
. 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
RKE transmitter or use the Keyless
Access system.
Unlocking the driver door with the key
will not disarm the system or turn off
the alarm.
How to Detect a Tamper
Condition
IfKis pressed on the RKE
transmitter 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 Driver
Information Center (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 CT6 Owner Manual (GMNA-Localizing-U.S./Canada-11292458) -
2018 - crc - 2/14/17
KEYS, DOORS, AND WINDOWS 53
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 a change in vehicle
orientation.
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
sunshades.
. Make sure there are no
obstructions blocking the sensors
in the front overhead console.Inclination and Intrusion
Sensors Disable Switch
It is recommended that the intrusion
and inclination sensors be deactivated
if pets are left in the vehicle or if the
vehicle is being transported.
With the vehicle turned off, presso
in 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 0417.
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 vehicle is started
or the ignition is in ACC/ACCESSORY
and a valid transmitter 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.
The system has one or more RKE
transmitters matched to an
immobilizer control unit in the
vehicle. Only a correctly matched RKE

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-11292458) -
2018 - crc - 2/14/17
58 KEYS, DOORS, AND WINDOWS
The RCM may not work properly or
display a clear image if:
.There is glare from the sun or
headlamps. This may obstruct
objects from view.
. Dirt, snow, or other debris blocks
the camera lens. Clean the lens
with a soft damp cloth.
. The back of the vehicle has been
damaged and the position and
mounting angle of the camera has
changed.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 Keyless Entry (RKE)
transmitter 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
Keys034.

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-11292458) -
2018 - crc - 2/14/17
KEYS, DOORS, AND WINDOWS 59
Power windows work when the
ignition is on, in ACC/ACCESSORY,
or when Retained Accessory Power
(RAP) is active. SeeRetained Accessory
Power (RAP) 0224.
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
This feature stops the rear passenger
windows from working.
. Press
Zto engage the rear
window lockout feature. The
indicator light is on when engaged.
. Press
Zagain to disengage.
Window Express Movement
All windows can be opened without
holding the window switch. Press the
switch down fully and quickly release
to express open the window. If equipped, pull the window switch
up fully and quickly release to express
close the window.
Briefly press or pull the window
switch in the same direction to stop
that window’s express movement.
Window Automatic Reversal
System
The express-close feature will reverse
window movement if it comes in
contact with an object. Extreme cold
or ice could cause the window to
auto-reverse. The window will operate
normally after the object or condition
is removed.
Automatic Reversal System
Override
{Warning
If automatic reversal system
override is active, the window will
not reverse automatically. You or
others could be injured and the
window could be damaged. Before
using automatic reversal system
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