Cadillac Ct6 2020 Owner's Manual
CT6
Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) -
2020 - CRC - 6/11/19
Contents
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Keys, Doors, and Windows . . . . . . . . . . 9
Seats and Restraints . . . . . . . . . . . . . . . 43
Storage . . . . . . . . . . . . . . . . . . . ... . . . . . . . . 98
Instruments and Controls . . . . . . . . 102
Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149
Infotainment System . . . . . . . . . . . . . 157
Climate Controls . . . . . . . . . . . . . . . . . . 158
Driving and Operating . . . . . . . . . . . . 171
Vehicle Care . . . . . . . . . . . .. . . . . . . . . . . 270
Service and Maintenance . . . . . . . . . 357
Technical Data . . . . . . . . . . . . . . . . . .. . 372
Customer Information . . . . . . . . . . . . 376
Reporting Safety Defects . . . . . . . . . 386
OnStar ..... . . . . . . . . . . . . . . . . . . . . . . . . . 390
Connected Services . . . . . . . . . . . . . . . 397
Index . . . . . . . . . . . . . . . . . . . . . . . . 400
Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) -
2020 - CRC - 6/11/19
2 INTRODUCTION
Introduction
The names, logos, emblems, slogans,
vehicle model names, and vehicle
body designs appearing in this manual
including, but not limited to, GM, the
GM logo, CADILLAC, the CADILLAC
Emblem, and CT6 are trademarks and/
or service marks of General Motors
LLC, its subsidiaries, affiliates,
or licensors.
For vehicles first sold in Canada,
substitute the name “General Motors
of Canada Company” for Cadillac
Motor Car Division wherever it
appears in this manual.
This manual describes features that
may or may not be on the vehicle
because of optional equipment that
was not purchased on the vehicle,
model variants, country specifications,
features/applications that may not be
available in your region, or changes
subsequent to the printing of this
owner’s manual.
Refer to the purchase documentation
relating to your specific vehicle to
confirm the features.
Keep this manual in the vehicle for
quick reference.
Canadian Vehicle Owners
A French language manual can be
obtained from your dealer, at
www.helminc.com, or from:
Propriétaires Canadiens
On peut obtenir un exemplaire de ce
guide en français auprès du
concessionnaire ou à l'adresse
suivante:
Helm, Incorporated
Attention: Customer Service
47911 Halyard Drive
Plymouth, MI 48170
USA
Using this Manual
To quickly locate information about
the vehicle, use the Index in the back
of the manual. It is an alphabetical
list of what is in the manual and the
page number where it can be found.
Danger, Warning, and Caution
Warning messages found on vehicle
labels and in this manual describe
hazards and what to do to avoid or
reduce them.
Danger
{
Danger indicates a hazard with a
high level of risk which will result
in serious injury or death.
Litho in U.S.A.
Part No. 84373157 A First Printing
©
2019 General Motors LLC. All Rights Reserved.
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INTRODUCTION 3
Warning
{
Warning indicates a hazard that
could result in injury or death.
Caution
Caution indicates a hazard that
could result in property or vehicle
damage.
Symbols
The vehicle has components and
labels that use symbols instead of
text. Symbols are shown along with
the text describing the operation or
information relating to a specific
component, control, message, gauge,
or indicator.
M : Shown when the owner’s manual
has additional instructions or
information.
* : Shown when the service manual
has additional instructions or
information.
0 : Shown when there is more
information on another page —
“see page.”
Vehicle Symbol Chart
A circle with a slash through it is a
safety symbol which means “Do not,”
“Do not do this,” or “Do not let this
happen.”
Here are some additional symbols that
may be found on the vehicle and what
they mean. See the features in this
manual for information.
u : Air Conditioning System
G : Air Conditioning Refrigerant Oil
9 : Airbag Readiness Light
! : Antilock Brake System (ABS)
$ : Brake System Warning Light
9 : Dispose of Used Components
Properly
P : Do Not Apply High Pressure
Water
B : Engine Coolant Temperature
_ : Flame/Fire Prohibited
H : Flammable
[ : For ward Collision Alert
R : Fuse Block Cover Lock Location
+ : Fuses
j : ISOFIX/LATCH System Child
Restraints
Q : Keep Fuse Block Covers Properly
Installed
| : Lane Change Alert
@ : Lane Departure Warning
A : Lane Keep Assist
* : Malfunction Indicator Lamp
: : Oil Pressure
X : Park Assist
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4 INTRODUCTION
~ : Pedestrian Ahead Indicator
O : Power
7 : Rear Cross Traffic Alert
I : Registered Technician
/ : Remote Vehicle Start
> : Seat Belt Reminders
I : Side Blind Zone Alert
h : Stop/Start
7 : Tire Pressure Monitor
d : Traction Control/StabiliTrak/
Electronic Stability Control (ESC)
a : Under Pressure
V : Vehicle Ahead Indicator
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Instrument Panel Overview
INTRODUCTION 5
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6 INTRODUCTION
1. Air Vents 0 169.
2. Exterior Lamp Controls 0 149.
Turn Signal Lever. See Turn and
Lane-Change Signals 0 153.
3. Tap Shift Controls (If Equipped).
See Manual Mode 0 197.
4. Instrument Cluster (Base Level)
0 110 or
Instrument Cluster (Uplevel) 0 113.
Driver Information Center (DIC)
Display. See Driver Information
Center (DIC) 0 132.
5. Windshield Wiper/Washer 0 104.
6. ENGINE START/STOP Button.
See Ignition Positions 0 183.
7. Park Assist Button. See
Assistance Systems for Parking or
Backing 0 235.
Automatic Parking Assist (APA)
Button (If Equipped). See
Assistance Systems for Parking or
Backing 0 235.
Automatic Engine Stop/Start
Disable Switch (If Equipped). See
Stop/Start System 0 186.
8. Light Sensor. See Automatic
Headlamp System 0 152.
9. Hazard Warning Flashers 0 152.
Glove Box Button. See Glove Box
0 98.
10. Infotainment 0 157.
11. Heated and Ventilated Front Seats
0 51 (If Equipped).
12. Wireless Charging 0 107.
13. Automatic Climate Control System
(Dual Zone) 0 158 or
Automatic Climate Control System
(Quad Zone) 0 163.
14. Automatic Vehicle Hold (AVH)
0 202 (If Equipped).
MODE Button. See Driver Mode
Control 0 204.
Traction Control/Electronic
Stability Control 0 203.
15. Infotainment Control Knob. See
the infotainment manual.
16. Shift Lever. See Automatic
Transmission 0 193.
17. Driver Information Center (DIC)
Controls. See Driver Information
Center (DIC) 0 132.
18. Steering Wheel Controls. See the
infotainment manual.
19. Horn 0 104.
20. Steering Wheel Adjustment 0 103
(Out of View).
21. Forward Collision Alert (FCA)
System 0 244 (If Equipped).
Lane Keep Assist (LKA) 0 254 (If
Equipped).
Heated Steering Wheel 0 103 (If
Equipped).
22. Cruise Control 0 209.
Adaptive Cruise Control 0 211 (If
Equipped).
Super Cruise 0 220 (If Equipped).
Phone Button. See “Steering
Wheel Controls” in the
infotainment manual.
23. Data Link Connector (DLC) (Out
of View). See Malfunction
Indicator Lamp (Check Engine
Light) 0 123.
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24. Instrument Panel Storage 0 98.
Instrument Panel Fuse Block
0 306.
25. Electric Parking Brake 0 200.
Instrument Panel Illumination
Control 0 153 (Out of View).
Head-Up Display (HUD) 0 135 (If
Equipped) (Out of View).
INTRODUCTION 7
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8 INTRODUCTION
2 NOTES
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Keys, Doors, and Windows
Keys and Locks
Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Remote Keyless Entry (RKE)
System . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Remote Keyless Entry (RKE)
System Operation . . . . . . . . .. . . . . . . 10
Remote Vehicle Start . . . . . . .. . . . . . . 17
Door Locks . . . . . . . . . . . . . . ... . . . . . . . . 19
Power Door Locks . . . . . . . . . . . . . . . . . 21
Delayed Locking . . . . . . . . . . . . . . . . . . . 21
Automatic Door Locks . . . . . . . . . . . . 21
Lockout Protection . . . . . . . . . . . . . . . . 22
Safety Locks . . . . . . . . . . . . . . . . . . . . . . . . 22
Folding Mirrors . . . . . . . . . . . . . . . . . . . . 33
Heated Mirrors . . . . . . . . . . . . . . . . . . . . . 34
Automatic Dimming Mirror .... . . . 34
Reverse Tilt Mirrors . . . . . . . . . . . . . . . 34
Interior Mirrors
Interior Rearview Mirrors . . . . . . . . . 35
Automatic Dimming Rearview
Mirror . . . . . . . . ....... . . . . . . . . . . . . . . 35
Rear Camera Mirror . . . . . . . . . . . . . . . 35
Windows
Windows . . . . . . . . . . . .. . . . . . . . . . . . . . . 37
Power Windows . . . . . . . . . . . . . . . . . . . . 38
Sun Visors . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Rear Window Sunshade . . . . . . . . . . . 40
Roof
Sunroof . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Doors
Trunk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Vehicle Security
Vehicle Security . . . . . . . .... . . . . . . . . . 30
Vehicle Alarm System . . . . . . . . . . . . . 30
Immobilizer ...... . . . . . . . . . . . . . . . . . . 32
Immobilizer Operation . . . . . . . . . . . . 32
Exterior Mirrors
Convex Mirrors . . . . . . . . . . . . . . . . . . . . 33
Power Mirrors . . . . . . . . . . . . . . . . . . . . . . 33
KEYS, DOORS, AND WINDOWS 9
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.
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10 KEYS, DOORS, AND WINDOWS
To remove the key, press the button
on the side of the transmitter, near
the bottom, and pull the key out.
Never pull the key out without
pressing the button.
If it becomes difficult to turn the key,
inspect the key blade for debris.
Periodically, clean with a brush or
a pick.
See your dealer if a new key is needed.
Contact Roadside Service if locked out
The key, inside the Remote Keyless
Entry (RKE) transmitter, can be used
for all locks.
of the vehicle. See Roadside Service
0 380.
With an active OnStar or connected
service plan, an OnStar Advisor may
remotely unlock the vehicle. See
OnStar Overview 0 390.
Remote Keyless Entry (RKE) System
See Radio Frequency Statement 0 386.
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 10.
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KEYS, DOORS, AND WINDOWS 11
Pressing
system. See Vehicle Alarm System 0 30.
The vehicle may have remote folding
mirrors. See Folding Mirrors 0 33.
Q may also arm the alarm
K : Press to unlock the driver door
and the fuel door, if equipped. Press
K again within five seconds to unlock
all doors. The RKE transmitter can be
programmed to unlock all doors on
the first button press. See Vehicle
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 0 140.
If the driver door is open when
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
0 140. If the passenger door is open
when
Q is pressed, all doors lock.
Q is
Personalization 0 140.
Lock and unlock feedback can be
personalized. See Vehicle
Personalization 0 140. 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
system. See Vehicle Alarm System 0 30.
The vehicle may have remote folding
mirrors. See Folding Mirrors 0 33.
K will disarm the alarm
Press and hold
fully open. Windows will not operate
unless remote window operation is
enabled. See Vehicle Personalization
0 140.
K until the windows
/ : Press and release Q and then
immediately press and hold
least four seconds to start the engine
from outside the vehicle using the
RKE transmitter. See Remote Vehicle
Start 0 17.
/ for at
7 : Press and release one time to
initiate vehicle locator. The exterior
lamps flash and the horn chirps three
times. Press and hold
than three seconds to sound the panic
alarm. The horn sounds and the turn
signal lamps flash for 30 seconds,
or until
vehicle is started.
7 is pressed again or the
7 for more
X : Press twice quickly to open the
trunk. Press once to stop the trunk
from moving. See Trunk 0 23.
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12 KEYS, DOORS, AND WINDOWS
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 0 140.
If equipped with memory seats, RKE
transmitters 1 and 2 are linked to
seating positions of memory 1 or 2.
See Memory Seats 0 48.
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.
Disabling Keyless Unlocking:
With the vehicle off, press and hold
and K on 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
Q
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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
and K on 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
0 140.
Temporary Disable of Passive
Q
Locking
Temporarily disable passive locking by
pressing and holding
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
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 0 140.
K on the
Q on the
KEYS, DOORS, AND WINDOWS 13
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 0 140.
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).
Key Access
To access a vehicle with a weak
transmitter battery, see Door Locks
0 19.
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14 KEYS, DOORS, AND WINDOWS
Programming Transmitters to
the Vehicle
Only RKE transmitters programmed to
the vehicle will work. If a transmitter
is lost or stolen, a replacement can be
purchased and programmed through
your dealer. The vehicle can be
reprogrammed so that lost or stolen
transmitters no longer work. Each
vehicle can have up to eight
transmitters matched to it.
Programming with Recognized
Transmitters
A new transmitter can be programmed
to the vehicle when there are two
recognized transmitters.
To program, the vehicle must be off
and all transmitters, both currently
recognized and new, must be
with you.
1. Remove the vehicle key from the
recognized transmitter.
2. Place the two recognized
transmitters in the cupholder.
3. Remove the key lock cylinder cap
on the driver door handle. See
Door Locks 0 19. Insert the
vehicle key into the key lock
cylinder on the driver door
handle, then turn the key
counterclockwise to the unlock
position five times within
10 seconds.
The DIC displays READY FOR
REMOTE #2, 3, 4, ETC.
4. Place the new transmitter into
the transmitter pocket. The
center console storage area will
need to be opened.
5. Press ENGINE START/STOP.
When the transmitter is learned,
the DIC display will show that it
is ready to program the next
transmitter.
6. Remove the transmitter from the
transmitter pocket and press
or Q on the transmitter.
To program additional
transmitters, repeat Steps 4–6.
When all additional transmitters
are programmed, press and hold
ENGINE START/STOP for
approximately 12 seconds to exit
programming mode.
7. Put the vehicle key back into the
transmitter.
8. Replace the key lock cylinder
cap. See Door Locks 0 19.
Programming without Recognized
Transmitters
If two currently recognized
transmitters are not available, follow
this procedure to program up to eight
transmitters. This feature is not
available in Canada. This procedure
K
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will take approximately 30 minutes to
complete. The vehicle must be off and
all transmitters to be programmed
must be with you.
1. Remove the vehicle key from the
transmitter.
2. Remove the key lock cylinder cap
on the driver door handle. See
Door Locks 0 19. Insert the
vehicle key into the key lock
cylinder on the driver door
handle, then turn the key
counterclockwise to the unlock
position five times within
10 seconds.
The DIC displays REMOTE
LEARN PENDING,
PLEASE WAIT.
3. Wait for 10 minutes until the
DIC displays PRESS ENGINE
START BUTTON TO LEARN and
then press ENGINE
START/STOP.
The DIC display will again show
REMOTE LEARN PENDING,
PLEASE WAIT.
4. Repeat Step 3 two additional
times. After the third time all
previously known transmitters
will no longer work with the
vehicle. Remaining transmitters
can be relearned during the next
steps.
The DIC display should now
show READY FOR REMOTE # 1.
5. Place the new transmitter in the
transmitter pocket. The center
console storage area will need to
be opened.
KEYS, DOORS, AND WINDOWS 15
6. Press ENGINE START/STOP.
When the transmitter is learned,
the DIC display will show that it
is ready to program the next
transmitter.
7. Remove the transmitter from the
transmitter pocket and press
or Q on the transmitter.
To program additional
transmitters, repeat Steps 5–7.
When all additional transmitters
are programmed, press and hold
ENGINE START/STOP for
approximately 12 seconds to exit
programming mode.
8. Put the vehicle key back into the
transmitter.
9. Replace the key lock cylinder
cap. See Door Locks 0 19.
Starting the Vehicle with a Low
Transmitter Battery
If the transmitter battery is weak or if
there is interference with the signal,
the DIC may display NO REMOTE
DETECTED or NO REMOTE KEY WAS
DETECTED PLACE KEY IN
K
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16 KEYS, DOORS, AND WINDOWS
TRANSMITTER POCKET THEN
START YOUR VEHICLE when starting
the vehicle.
To start the vehicle:
1. Open the center console
storage area.
2. Place the transmitter in the
transmitter pocket.
3. With the vehicle in P (Park) or
N (Neutral) press the brake pedal
and ENGINE START/STOP.
Replace the transmitter battery
as soon as possible.
Battery Replacement
Warning
{
Never allow children to play with
the RKE transmitter. The
transmitter contains a small
battery, which can be a choking
hazard. If swallowed, internal burns
can occur, resulting in severe injury
or death. Seek medical attention
immediately if a battery is
swallowed.
Caution
When replacing the battery, do not
touch any of the circuitry on the
transmitter. Static from your body
could damage the transmitter.
Caution
Always replace the battery with the
correct type. Replacing the battery
with an incorrect type could
potentially create a risk of battery
explosion. Dispose of used batteries
according to instructions and local
laws. Do not attempt to burn,
crush, or cut the used battery.
Replace the battery if the DIC displays
REPLACE BATTERY IN REMOTE KEY.
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1. 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.
3. Remove the old battery. Do not
use a metal object.
4. Insert the new battery on the
back housing, positive side facing
down. Replace with a CR2032 or
2. Separate the two halves of the
transmitter using a flat tool
inserted into the bottom center
of the transmitter. Do not use
the key slot.
equivalent battery.
5. Align the front and back housing,
then snap the transmitter
together.
6. Reinsert the key.
Remote Vehicle Start
This feature allows the engine to be
started from outside the vehicle.
KEYS, DOORS, AND WINDOWS 17
/ : This button is on the RKE
transmitter for remote start.
The climate control system will use
the previous settings during a remote
start. The rear window defogger may
come on during remote start based on
cold ambient conditions. The rear
window defogger indicator light does
not come on during remote start.
If equipped, the heated steering wheel
may come on during cold weather
when enabled in vehicle
personalization. See Vehicle
Personalization 0 140.
If equipped, the heated and ventilated
front seats may also come on when
the vehicle personalization setting is
enabled. See Heated and Ventilated
Front Seats 0 51.
Laws in some local communities may
restrict the use of remote starters. For
example, some laws may require a
person using remote start to have the
vehicle in view. Check local
regulations for any requirements.
If your vehicle is low on fuel, do not
use the remote start feature. The
vehicle may run out of fuel.
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18 KEYS, DOORS, AND WINDOWS
The RKE transmitter range may be
shorter while the vehicle is running.
Other conditions can affect the
performance of the transmitter. See
Remote Keyless Entry (RKE) System
0 10.
Starting the Engine Using Remote
Start
1. Press and release
transmitter.
2. Immediately press and hold
for at least four seconds or until
the turn signal lamps f lash. This
confirms the request to remote
start the vehicle has been
received.
During the remote start, the
doors will be locked and the
parking lamps will remain on as
long as the engine is running.
The engine will shut off after
15 minutes unless a time
extension is done or the vehicle
is started.
3. Press the brake pedal and start
the vehicle to drive.
Q on the RKE
/
Extending Engine Run Time
The engine run time can also be
extended by another 15 minutes,
if during the first 15 minutes
Steps 1 and 2 are repeated while the
engine is still running. An extension
can be requested 30 seconds after
starting. This provides a total of
30 minutes.
The remote start can only be
extended once.
When the remote start is extended,
the second 15-minute period is added
on to the first 15 minutes for a total
of 30 minutes.
A maximum of two remote starts, or a
remote start with an extension, are
allowed between ignition cycles.
The vehicle's ignition must be turned
from on to off before the remote start
procedure can be used again.
Canceling a Remote Start
To cancel a remote start, do any of
the following:
.
Press and hold
parking lamps turn off.
/ until the
.
Turn on the hazard warning
flashers.
.
Turn the vehicle on and then off.
Conditions in Which Remote Start
Will Not Work
The remote start will not operate if
any of the following occur:
.
The ignition is in any mode other
than off.
.
A transmitter is in the vehicle.
.
The hood is not closed.
.
The hazard warning flashers
are on.
.
There is an emission control
system malfunction.
.
The engine coolant temperature is
too high.
.
The oil pressure is low.
.
Two remote vehicle starts or a
start with an extension have
already been used.
.
The vehicle is not in P (Park).
Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) -
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Door Locks
Warning
{
Unlocked doors can be dangerous.
.
Passengers, especially
children, can easily open the
doors and fall out of a moving
vehicle. The doors can be
unlocked and opened while
the vehicle is moving. The
chance of being thrown out of
the vehicle in a crash is
increased if the doors are not
locked. So, all passengers
should wear seat belts
properly and the doors should
be locked whenever the
vehicle is driven.
.
Young children who get into
unlocked vehicles may be
unable to get out. A child can
be overcome by extreme heat
and can suffer permanent
injuries or even death from
heat stroke. Always lock the
vehicle whenever leaving it.
(Continued)
Warning (Continued)
.
Outsiders can easily enter
through an unlocked door
when you slow down or stop
the vehicle. Locking the doors
can help prevent this from
happening.
To lock or unlock the door from
outside the vehicle:
.
Press
Q or K on the Remote
Keyless Entry (RKE) transmitter.
.
In the case of a dead battery, use
the key in the driver door. The key
cylinder is covered with a cap.
To lock or unlock the door from inside
the vehicle:
.
.
Q or K on the power door
Press
lock switch.
Pulling an interior door handle
will unlock the door. Pulling the
door handle again unlatches it.
KEYS, DOORS, AND WINDOWS 19
Keyless Access
Press the lock/unlock button when the
RKE transmitter is within 1 m (3 ft) of
the driver door handle. When
unlocking from the driver door, the
first press unlocks that door; press
again within five seconds to unlock all
passenger doors. See Remote Keyless
Entry (RKE) System Operation 0 10.
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20 KEYS, DOORS, AND WINDOWS
Driver Door Key Lock Cylinder
Access (In Case of Dead Battery)
To access the driver door key lock
cylinder:
1. Pull the door handle (1) to the
open position and hold it open
until the cap removal is
complete.
2. Insert the key into the slot (3) on
the bottom of the cap (2) and lift
the key upward.
3. Move the cap (2) rearward and
remove.
4. Use the key in the cylinder.
To replace the cap:
1. Pull the door handle (1) to the
open position and hold it open
until the cap installation is
complete.
2. Insert the two tabs (6) at the
back of the cap between the
seal (5) and the metal base (4).
3. Slide the cap forward and press
the forward edge to install the
cap in place.
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4. Release the door handle.
5. Check that the cap is secure.
Free-Turning Locks
The door key lock cylinder turns freely
when either the wrong key is used,
or the correct key is not fully inserted.
The free-turning door lock feature
prevents the lock from being forced
open. To reset the lock, turn it to the
vertical position with the correct key
fully inserted. Remove the key and
insert it again. If this does not reset
the lock, turn the key halfway around
in the cylinder and repeat the reset
procedure.
Power Door Locks
Q : Press to lock the doors.
K : Press to unlock the doors.
The fuel door is also locked or
unlocked using these features.
Delayed Locking
This feature delays the locking of the
doors until five seconds after all doors
are closed.
Delayed locking can only be turned on
when the Open Door Anti-Lockout has
been turned off.
KEYS, DOORS, AND WINDOWS 21
Q is pressed on the power door
When
lock switch while the door is open, a
chime will sound three times
indicating delayed locking is active.
The doors will lock automatically
five seconds after all doors are closed.
If a door is reopened before that time,
the five-second timer will reset when
all doors are closed again.
Q on the door lock switch again
Press
or press
lock the doors immediately.
This feature can also be programmed.
See Vehicle Personalization 0 140.
Q on the RKE transmitter to
Automatic Door Locks
The doors will lock automatically
when all doors are closed, the ignition
is on, and the vehicle is shifted out of
P (Park).
If a vehicle door is unlocked and then
opened and closed, the doors will lock
either when your foot is removed from
the brake or the vehicle speed
becomes faster than 13 km/h (8 mph).
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22 KEYS, DOORS, AND WINDOWS
To unlock the doors:
.
Press
K on the power door lock
switch.
.
Shift the transmission into
P (Park).
Automatic door locking cannot be
disabled. Automatic door unlocking
can be programmed. See Vehicle
Personalization 0 140.
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
on the power door lock switch.
Open Door Anti-Lockout
If Open 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 the driver
door will remain open. The Open Door
Anti-Lockout feature can be turned on
or off. See Vehicle Personalization
0 140.
Q
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.
Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) -
2020 - CRC - 6/11/19
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)
KEYS, DOORS, AND WINDOWS 23
Warning (Continued)
set the fan speed to the
highest setting. See “Climate
Control Systems” in the Index.
See Engine Exhaust 0 192.
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-13566829) -
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24 KEYS, DOORS, AND WINDOWS
.
Press
X twice 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 0 10.
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 batter y
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
driver door. The driver door must
be unlocked, the ignition must be
on, or Retained Accessory Power
(RAP) must be active.
.
Press
X twice quickly on the RKE
transmitter.
| on the
Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) -
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.
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
door until the trunk latches.
A chime will sound and a DIC
message will display when the
operation is complete.
| on the driver
.
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.
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.
KEYS, DOORS, AND WINDOWS 25
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 at the location of the
projected logo. 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.
The hands-free feature can be
customized. See Vehicle Personalization
0 140. Choose from the following:
On-Open and Close : The kicking
motion is activated to both open and
close the trunk.
On-Open Only : The kicking motion is
activated to only open the trunk.
Off : The feature is disabled.
Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) -
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26 KEYS, DOORS, AND WINDOWS
To operate, kick your foot straight up
in one swift motion under the center
of the rear bumper at the location of
the projected logo, 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.
Projected Logo
If equipped with this feature, a vehicle
logo will be projected for one minute
onto the ground near the rear bumper
when an RKE transmitter is detected
within approximately 2 m (6 ft). The
projected logo may not be visible
under brighter daytime conditions.
1. 1 m (3 ft) Hands-Free
Operation Detection Zone
2. 2 m (6 ft) Projected Logo
Detection Zone
Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) -
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The projected logo shows where the
kicking motion is to take place.
The projected logo will only be
available for this RKE transmitter after
it has been out of range for at least
20 seconds.
If an RKE transmitter is again
detected within approximately 2 m
(6 ft) of the trunk, or another
hands-free operation has been
detected, the one-minute timer will be
reset.
The projected logo will not work
under these conditions:
.
The vehicle battery is low.
.
The transmission is not in
P (Park).
.
Hands Free Trunk Control is set to
Off in vehicle personalization. See
Vehicle Personalization 0 140.
.
Power trunk is turned off.
.
The vehicle remains parked for
72 hours or more, with no RKE
transmitter use or Keyless Access
operation. To re-enable, press any
button on the RKE transmitter or
open and close a vehicle door.
KEYS, DOORS, AND WINDOWS 27
The projected logo will not work for a
single RKE transmitter when a
transmitter:
.
Has been left within
approximately 5 m (15 ft) of the
trunk for several minutes.
.
Has been left inside the vehicle
and all vehicle doors are closed.
.
Has approached the area outside
of the trunk five times within
10 minutes.
Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) -
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28 KEYS, DOORS, AND WINDOWS
Hands-Free Trunk and Projected Logo Availability
Action Hands-Free Trunk Projected Logo
RKE transmitter entering projected logo
detection zone
RKE transmitter left inside projected
logo detection zone for minimum of
10 minutes
RKE transmitter brought in and out of
projected logo detection zone five times
or more within 10 minutes
Vehicle remains parked for more than
72 hours
Vehicle battery is low Non-operative Off
Transmission is not in P (Park) Non-operative Off
Power trunk is turned off Non-operative Off
Hands-free trunk is disabled in vehicle
personalization
Operative On for one minute
Operative Off until RKE transmitter button press
or a door is opened and closed
Operative Off for one hour or until RKE
transmitter button press or a door is
opened and closed
Operative Off until RKE transmitter button press
or a door is opened and closed
Non-operative Off
Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) -
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Lens Cleaning
Clean the recessed lens using a soft,
dampened cloth.
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
KEYS, DOORS, AND WINDOWS 29
exposure to light. Pull the release
handle to open the trunk from the
inside.
After pulling the emergency trunk
release handle, return to the stored
position.
Rear Seat Pass-Through
If equipped, use the rear seat
pass-through door when transporting
long items. See Rear Seat Pass-Through
Door 0 57.
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