2019 CADILLAC CT6 trunk

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) -
2019 - crc - 1/23/19
IN BRIEF 5
In Brief
Instrument Panel
Instrument Panel Overview . . . . . . . . . 6
Initial Drive Information
Initial Drive Information . . . . . . . . . . . 8
Stop/Start System . . . . . . . . . . . . . . . . . . . 8
Remote Keyless Entry (RKE)System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Remote Vehicle Start . . . . . . . . . . . . . . . 9
Door Locks . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Trunk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Seat Adjustment . . . . . . . . . . . . . . . . . . . 11
Memory Features . . . . . . . . . . . . . . . . . . 12
Second Row Seats . . . . . . . . . . . . . . . . . 12
Heated and Ventilated Seats . . . . . . 13
Head Restraint Adjustment . . . . . . . 13
Seat Belts . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Passenger Sensing System . . . . . . . . 14
Mirror Adjustment . . . . . . . . . . . . . . . . 14
Steering Wheel Adjustment . . . . . . . 15
Interior Lighting . . . . . . . . . . . . . . . . . . . 15
Exterior Lighting . . . . . . . . . . . . . . . . . . . 16
Windshield Wiper/Washer . . . . . . . . 16
Climate Controls . . . . . . . . . . . . . . . . . . . 18
Transmission . . . . . . . . . . . . . . . . . . . . . . . 19
Vehicle Features
Infotainment System . . . . . . . . . . . . . . 19
Steering Wheel Controls . . . . . . . . . . 19
Cruise Control . . . . . . . . . . . . . . . . . . . . . 19
Driver Information Center (DIC) . . . . . . . . . . . . . . . . . . . . . . 20
Forward Collision Alert (FCA) System . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Night Vision System . . . . . . . . . . . . . . . 20
Forward Automatic Braking (FAB) . . . . . . . . . . . . . . . . . . . . 21
Front Pedestrian Braking (FPB) System . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Lane Keep Assist (LKA) . . . . . . . . . . . 21
Lane Change Alert (LCA) . . . . . . . . . . 21
Surround Vision . . . . . . . . . . . . . . . . . . . 21
Rear Vision Camera (RVC) . . . . . . . . 22
Rear Cross Traffic Alert (RCTA) System . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Park Assist . . . . . . . . . . . . . . . . . . . . . . . . . 22
Automatic Parking Assist (APA) . . . . . . . . . . . . . . . . . . . . . . 22
Reverse Automatic Braking (RAB) . . . . . . . . . . . . . . . . . . . . 22
Rear Pedestrian Alert . . . . . . . . . . . . . . 23
Surround Vision Recorder . . . . . . . . . 23
Power Outlets . . . . . . . . . . . . . . . . . . . . . . 23
Universal Remote System . . . . . . . . . 23
Sunroof . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Performance and Maintenance
Traction Control/Electronic Stability Control . . . . . . . . . . . . . . . . . . 24
Tire Pressure Monitor . . . . . . . . . . . . . 25
Fuel (2.0L L4 Turbo Engine) . . . . . . 25
Fuel (3.0L Twin Turbo V6 and 4.2L Twin Turbo V8 Engines) . . . . . . . . . 26
Fuel (3.6L V6 Engine) . . . . . . . . . . . . . 26
E85 or FlexFuel . . . . . . . . . . . . . . . . . . . . 26
Engine Oil Life System . . . . . . . . . . . . 26
Driving for Better Fuel Economy . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Roadside Service . . . . . . . . . . . . . . . . . . . 27

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) -
2019 - crc - 1/23/19
IN BRIEF 9
If equipped, pressKto unlock the
fuel door.
Press
Qto lock all doors.
If equipped, press
Qto lock the
fuel door.
Lock and unlock feedback can be
personalized. See Vehicle
Personalization 0157.
Press
Xtwice quickly to open the
trunk.
Press
7and release to initiate vehicle
locator.
Press and hold
7for more than
three seconds to sound the panic
alarm.
Press
7again to cancel the panic
alarm.
See Keys 028 and
Remote Keyless Entry (RKE) System
Operation 029.
Remote Vehicle Start
The engine can be started from
outside of the vehicle.
Starting the Vehicle
1. Press and releaseQon the RKE
transmitter.
2. Immediately, press and hold
/
for at least four seconds or until
the turn signal lamps flash.
3. Start the vehicle normally after entering.
When the vehicle starts, the parking
lamps will turn on.
Remote start can be extended.
Canceling a Remote Start
To cancel a remote start, do one of
the following:
. Press and hold
/until the
parking lamps turn off.
. Turn on the hazard warning
flashers.
. Turn the vehicle on and then off.
See Remote Vehicle Start 036.
Door Locks
Keyless Access
Press the button on the door handle
and pull the handle when the Remote
Keyless Entry (RKE) transmitter is
within 1 m (3 ft). See Remote Keyless
Entry (RKE) System Operation 029.
Manual Operation
From outside, use the key in the
driver door. The key lock cylinder is
covered by a cap. See Door Locks038.
From the inside rear doors, push down
on the door lock knob on top of the
door. To unlock a door, pull once on
the door handle to unlock it, and
again to open it.
Power Door Locks
From outside, pressQorKon the
RKE transmitter.

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) -
2019 - crc - 1/23/19
10 IN BRIEF
From inside, pressQorK. SeePower
Door Locks 040.
Trunk
To open the 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
after unlocking all doors.
If equipped, these will also open the
power trunk. See Trunk042.
Windows
The power windows work when the
ignition is on, in ACC/ACCESSORY,
or when Retained Accessory Power
(RAP) is active. See Retained Accessory
Power (RAP) 0206.
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.
See Power Windows 057.

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) -
2019 - crc - 1/23/19
28 KEYS, DOORS, AND WINDOWS
Keys, Doors, and
Windows
Keys and Locks
Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Remote Keyless Entry (RKE)System . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Remote Keyless Entry (RKE) System Operation . . . . . . . . . . . . . . . . 29
Remote Vehicle Start . . . . . . . . . . . . . . 36
Door Locks . . . . . . . . . . . . . . . . . . . . . . . . . 38
Power Door Locks . . . . . . . . . . . . . . . . . 40
Delayed Locking . . . . . . . . . . . . . . . . . . . 40
Automatic Door Locks . . . . . . . . . . . . 40
Lockout Protection . . . . . . . . . . . . . . . . 41
Safety Locks . . . . . . . . . . . . . . . . . . . . . . . . 41
Doors
Trunk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Vehicle Security
Vehicle Security . . . . . . . . . . . . . . . . . . . . 49
Vehicle Alarm System . . . . . . . . . . . . . 49
Immobilizer . . . . . . . . . . . . . . . . . . . . . . . . 51
Immobilizer Operation . . . . . . . . . . . . 51
Exterior Mirrors
Convex Mirrors . . . . . . . . . . . . . . . . . . . . 52
Power Mirrors . . . . . . . . . . . . . . . . . . . . . . 52 Folding Mirrors . . . . . . . . . . . . . . . . . . . . 53
Heated Mirrors . . . . . . . . . . . . . . . . . . . . . 53
Automatic Dimming Mirror . . . . . . . 53
Reverse Tilt Mirrors . . . . . . . . . . . . . . . 53
Interior Mirrors
Interior Rearview Mirrors . . . . . . . . . 54
Automatic Dimming Rearview
Mirror . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Rear Camera Mirror . . . . . . . . . . . . . . . 54
Windows
Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Power Windows . . . . . . . . . . . . . . . . . . . . 57
Sun Visors . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Rear Window Sunshade . . . . . . . . . . . 59
Roof
Sunroof . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Keys and Locks
Keys
{Warning
Leaving children in a vehicle with a
Remote Keyless Entry (RKE)
transmitter 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 RKE transmitter
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 an RKE
transmitter.

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) -
2019 - crc - 1/23/19
KEYS, DOORS, AND WINDOWS 31
signal lamps flash for 30 seconds,
or until
7is pressed again or the
vehicle is started.
X: Press twice quickly to open the
trunk. Press once to stop the trunk
from moving. See Trunk042.
Keyless Access Operation
The Keyless Access system lets you
lock and unlock the doors and access
the trunk without removing the RKE
transmitter from your pocket, purse,
briefcase, etc. The RKE transmitter
must be within 1 m (3 ft) of the trunk
or door being opened. If equipped,
there will be a button on the outside
door handles.
The Keyless Access system can be
programmed to unlock all doors on
the first lock/unlock button press from
the driver door. See Vehicle
Personalization 0157.
If equipped with memory seats, RKE
transmitters 1 and 2 are linked to
seating positions of memory 1 or 2.
See Memory Seats 067. Keyless Unlocking/Locking from the
Driver Door
When the doors are locked and the
RKE transmitter is within 1 m (3 ft) of
the door handle, pressing the lock/
unlock button on the driver door
handle will unlock the driver door.
If the lock/unlock button is pressed
again within five seconds, all
passenger doors will unlock.
Driver Door Shown, Passenger Similar
Pressing the lock/unlock button will
cause all doors to lock if any of the
following occur: .
It has been more than five seconds
since the first lock/unlock button
press.
. Two lock/unlock button presses
were used to unlock all doors.
. Any vehicle door has opened and
all doors are now closed.
Keyless Unlocking/Locking from the
Passenger Doors
When the doors are locked and the
RKE transmitter is within 1 m (3 ft) of
the door handle, pressing the lock/
unlock button on a passenger door
handle will unlock all doors. Pressing
the lock/unlock button will cause all
doors to lock if any of the following
occur:
. The lock/unlock button was used
to unlock all doors.
. Any vehicle door has opened and
all doors are now closed.
Disable/Enable Keyless Unlocking of
Exterior Door Handles and Trunk
If equipped, keyless unlocking of the
exterior door handles and trunk can
be disabled and enabled.

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) -
2019 - crc - 1/23/19
32 KEYS, DOORS, AND WINDOWS
Disabling Keyless Unlocking:
With the vehicle off, press and hold
Q
andKon the RKE transmitter at the
same time for approximately
three seconds. The turn signal lamps
will flash four times quickly to
indicate access is disabled. Using any
exterior handle to unlock the doors or
open the trunk will cause the turn
signal lamps to flash four times
quickly, indicating access is disabled.
If disabled, disarm the alarm system
before starting the vehicle.
Enabling Keyless Unlocking:
With the vehicle off, press and hold
Q
andKon the RKE transmitter at the
same time for approximately
three seconds. The turn signal lamps
will flash twice quickly to indicate
access is enabled.
Passive Locking
The Keyless Access system will lock
the vehicle several seconds after all
doors are closed if the vehicle is off
and at least one transmitter has been
removed or none remain in the
vehicle. The fuel door will also lock.
If other electronic devices interfere
with the RKE transmitter signal, the
vehicle may not detect the RKE
transmitter inside the vehicle.
If passive locking is enabled, the doors
may lock with the RKE transmitter
inside the vehicle. Do not leave the
RKE transmitter in an unattended
vehicle.
To customize the doors to
automatically lock when exiting the
vehicle, see
Vehicle Personalization
0 157.
Temporary Disable of Passive
Locking
Temporarily disable passive locking by
pressing and holding
Kon the
interior door switch with a door open
for at least four seconds, or until three
chimes are heard. Passive locking will
then remain disabled until
Qon the
interior door is pressed, or until the
vehicle is turned on. Remote Left In Vehicle Alert
When the vehicle is turned off and an
RKE transmitter is left in the vehicle,
the horn will chirp three times after
all doors are closed. To turn on or off
see
Vehicle Personalization 0157.
Remote No Longer in Vehicle Alert
If the vehicle is on with a door open,
and then all doors are closed, the
vehicle will check for RKE
transmitters inside. If an RKE
transmitter is not detected, the Driver
Information Center (DIC) will display
NO REMOTE DETECTED and the horn
will chirp three times. This occurs
only once each time the vehicle is
driven. To turn on or off, see Vehicle
Personalization 0157.
Keyless Trunk Opening
To open the trunk, press the touch
pad on the rear of the trunk above the
license plate. The doors must be
unlocked or the RKE transmitter must
be within 1 m (3 ft).

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) -
2019 - crc - 1/23/19
42 KEYS, DOORS, AND WINDOWS
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.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 0209.
To open the trunk, the vehicle must
be off or the transmission must be in
P (Park).
Manual Trunk
. Press|on the driver door.

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) -
2019 - crc - 1/23/19
KEYS, DOORS, AND WINDOWS 43
.PressXtwice 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 029. 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.
Power Trunk
Caution
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 (Continued)
Caution (Continued)
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.