2018 CADILLAC CT6 Owners Manual

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-11292458) -
2018 - crc - 2/14/17
48 KEYS, DOORS, AND WINDOWS
Close the trunk by pulling on the
handle. Do not use the handle as a
tie-down. Do not press the touch pad
while closing the trunk; this will cause
the trunk lid to be unlatched.
The trunk has an electric latch. If the
vehicle has lost power or the battery
is disconnected, the trunk will not
open. If this happens, use the
emergency trunk release handle.
Manual Trunk Access (PLUG–
IN Only)
PLUG-IN vehicles have a trunk access
handle in case of a power loss.
The handle is under the trim between
the rear seat and the rear driver side
door frame.
To access:
1. Remove the trim molding bypulling until the top three
attachments are removed.
2. While holding the trim molding,pull the trunk release handle
until the trunk manually opens.
3. Place the handle back in its original position and reinstall the
three attachments. Make sure
the trim molding is reinstalled
properly.

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
KEYS, DOORS, AND WINDOWS 51
Emergency Trunk Release
Handle
Caution
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 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) -
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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
54 KEYS, DOORS, AND WINDOWS
transmitter will start the vehicle.
If the transmitter 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
when the ignition is turned on.
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 RKE transmitter appears to be
undamaged, try another transmitter.
Or, you may try placing the
transmitter in the transmitter pocket
located in the center console.If the ignition modes will not change
with the other transmitter, your
vehicle needs service. If the ignition
does change modes, the first
transmitter may be faulty. See your
dealer.
It is possible for the immobilizer
system to learn new or replacement
RKE transmitters. Up to eight
transmitters can be programmed for
the vehicle. To program additional
transmitters, see
“Programming
Transmitters to the Vehicle ”under
Remote Keyless Entry (RKE) System
Operation 035.
Do not leave the 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 CT6 Owner Manual (GMNA-Localizing-U.S./Canada-11292458) -
2018 - crc - 2/14/17
KEYS, DOORS, AND WINDOWS 55
Power Mirrors
1. Move the selector switch to L(Left) or R (Right) to choose the
driver or passenger mirror.
2. Press one of the four arrows to move the mirror.
3. Move the selector switch to
)to
deselect the mirror.
Memory Mirrors
The vehicle may have memory
mirrors. See Memory Seats 069.
Lane Change Alert (LCA)
The vehicle may have LCA. See Lane
Change Alert (LCA) 0269. Turn Signal Indicator
The vehicle has a turn signal indicator
on the mirror housings. The indicator
will flash when a turn signal or the
hazard warning flashers are used.
Folding Mirrors
Power Folding Mirrors
If equipped with power folding
mirrors, press the down arrow on the
control pad while the selector switch
is at
). Press again to unfold.
Auto Mirror Folding
If equipped, with the ignition off,
press and hold
Qon the RKE
transmitter for approximately
one second to automatically fold the
exterior mirrors. Press and hold
Kon
the RKE transmitter for approximately
one second to unfold. See Remote
Keyless Entry (RKE) System Operation
0 35.
This feature is turned on or off
through vehicle personalization. See
Vehicle Personalization 0170. Manual Folding Mirrors
If equipped, 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.
Heated Mirrors
The rear window defogger also heats
the outside mirrors.
K:
Press to heat the outside mirrors.
See Automatic Climate Control System
(Quad Zone - Gasoline Only) 0197 or
Automatic Climate Control System (Dual
Zone - Gasoline and PLUG-IN) 0191.
Automatic Dimming Mirror
The vehicle has an automatic
dimming outside mirror on the driver
side. The mirror will adjust for the
glare of headlamps behind you.