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 Companyfor 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 owners 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.
Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19
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 owners 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
Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19
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
Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19
Instrument Panel Overview
INTRODUCTION 5
Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19
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 Controlsin 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
Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

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.
Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19
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 Replacementlater 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 Operationlater 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
Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19
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
Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19
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.
Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19
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) - 2020 - CRC - 6/11/19
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.
Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19
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.
Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19
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).
Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19
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 Systemsin 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) - 2020 - CRC - 6/11/19
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) - 2020 - CRC - 6/11/19
.
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) - 2020 - CRC - 6/11/19
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) - 2020 - CRC - 6/11/19
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) - 2020 - CRC - 6/11/19
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) - 2020 - CRC - 6/11/19
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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