2019 CADILLAC CT6 key

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) -
2019 - crc - 1/23/19
ContentsIntroduction . . . . . . . . . . . . . . . . . . . . . . . . . . 2
In Brief . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Keys, Doors, and Windows . . . . . . . . . 28
Seats and Restraints . . . . . . . . . . . . . . . 62
Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
Instruments and Controls . . . . . . . . 118
Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . 166
Infotainment System . . . . . . . . . . . . . 174
Climate Controls . . . . . . . . . . . . . . . . . . 175
Driving and Operating . . . . . . . . . . . . 189
Vehicle Care . . . . . . . . . . . . . . . . . . . . . . . 288
Service and Maintenance . . . . . . . . . 381
Technical Data . . . . . . . . . . . . . . . . . . . . 396
Customer Information . . . . . . . . . . . . 401
Reporting Safety Defects . . . . . . . . . 411
OnStar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 414
Connected Services . . . . . . . . . . . . . . . 422
Index . . . . . . . . . . . . . . . . . . . . . . . . 426

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
8 IN BRIEF
24.Instrument Panel Storage 0114.
Instrument Panel Fuse Block
0 330.
25. Electric Parking Brake 0218.
Instrument Panel Illumination
Control 0170 (Out of View).
Head-Up Display (HUD) 0152 (If
Equipped) (Out of View).Initial Drive Information
This section provides a brief overview
about some of the important features
that may or may not be on your
specific vehicle.
For more detailed information, refer to
each of the features which can be
found later in this owner’s manual.
Stop/Start System
If equipped, the Stop/Start system will
shut off the engine to help conserve
fuel. It has components designed for
the increased number of starts.
When the brakes are applied and the
vehicle is at a complete stop, the
engine may turn off. When stopped,
the tachometer displays AUTO STOP.
See Tachometer 0133. When the brake
pedal is released or the accelerator
pedal is pressed, the engine will
restart. See Stop/Start System 0203.
The automatic engine Stop/Start
feature can be disabled and enabled
by touching
hon the center stack.
Auto Stop is enabled each time you
start the vehicle.
Remote Keyless Entry
(RKE) System
The Remote Keyless Entry (RKE)
transmitter may work up to 60 m
(197 ft) away.
Press the button on the side of the
RKE transmitter to remove the key.
Never pull the key out without
pressing the button. The key can be
used for the driver door.
Press
Kto unlock the driver door or
all doors, depending on the vehicle
personalization settings.

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 29
This key, inside the Remote Keyless
Entry (RKE) transmitter, is used for
the driver door.To remove the key, press the button
on the side of the RKE transmitter
near the bottom, and pull the key out.
Never pull the key out without
pressing the button.
See your dealer if a new key is needed.
Contact Roadside Service if locked out
of the vehicle. See
Roadside Service
0 405.
With an active OnStar or connected
service plan, an OnStar Advisor may
remotely unlock the vehicle. See
OnStar Overview 0414.
Remote Keyless Entry
(RKE) System
See Radio Frequency Statement 0411.
If there is a decrease in the Remote
Keyless Entry (RKE) operating range:
. Check the distance. The
transmitter may be too far from
the vehicle.
. Check the location. Other vehicles
or objects may be blocking the
signal. .
Check the transmitter's battery.
See “Battery Replacement ”later in
this section.
. If the transmitter is still not
working correctly, see your dealer
or a qualified technician for
service.
Remote Keyless Entry
(RKE) System Operation
The Keyless Access system allows for
vehicle entry when the Remote
Keyless Entry (RKE) transmitter is
within 1 m (3 ft). See “Keyless Access
Operation ”later in this section.
The RKE transmitter may work up to
60 m (197 ft) away from the vehicle.
Other conditions can impact the
performance of the transmitter. See
Remote Keyless Entry (RKE) System
0 29.

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) -
2019 - crc - 1/23/19
30 KEYS, DOORS, AND WINDOWS
Q:Press to lock all doors and the
fuel door, if equipped. The turn signal
indicators may flash and/or the horn
may sound on the second press to
indicate locking. See Vehicle
Personalization 0157.
If the driver door is open when
Qis
pressed and Open Door Anti-Lockout
is enabled through vehicle
personalization, all doors will lock and
then the driver door will immediately
unlock. See Vehicle Personalization
0 157. If the passenger door is open
when
Qis pressed, all doors lock. Pressing
Qmay also arm the alarm
system. See Vehicle Alarm System 049.
If equipped with remote mirror
folding, pressing and holding
Qfor
one second will fold the mirrors,
if enabled. See Vehicle Personalization
0 157.
K:Press to unlock the driver door
and the fuel door, if equipped. Press
Kagain within five seconds to unlock
all doors. The RKE transmitter can be
programmed to unlock all doors on
the first button press. See Vehicle
Personalization 0157.
Lock and unlock feedback can be
personalized. See Vehicle
Personalization 0157. When remotely
unlocking the vehicle at night, the
headlamps and back-up lamps will
come on for about 30 seconds to light
your approach to the vehicle. The turn
signal indicators may flash to indicate
unlocking.
Pressing
Kwill disarm the alarm
system. See Vehicle Alarm System 049. If equipped with remote mirror
folding, pressing and holding
Kfor
one second will unfold the mirrors,
if enabled. See Vehicle Personalization
0 157.
Press and hold
Kuntil the windows
fully open. Windows will not operate
unless remote window operation is
enabled. See Vehicle Personalization
0 157.
/:Press and releaseQand then
immediately press and hold
/for at
least four seconds to start the engine
from outside the vehicle using the
RKE transmitter. See Remote Vehicle
Start 036.
7:Press and release one time to
initiate vehicle locator. The exterior
lamps flash and the horn chirps three
times. Press and hold
7for more
than three seconds to sound the panic
alarm. The horn sounds and the turn