2020 CADILLAC CT6 engine

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.
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.”
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
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
[:Forward 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
6 INTRODUCTION
1.Air Vents 0169.
2. Exterior Lamp Controls 0149.
Turn Signal Lever. See Turn and
Lane-Change Signals 0153.
3. Tap Shift Controls (If Equipped). See Manual Mode 0197.
4. Instrument Cluster (Base Level)
0110 or
Instrument Cluster (Uplevel) 0113.
Driver Information Center (DIC)
Display. See Driver Information
Center (DIC) 0132.
5. Windshield Wiper/Washer 0104.
6. ENGINE START/STOP Button. See Ignition Positions 0183.
7. Park Assist Button. See Assistance Systems for Parking or
Backing 0235.
Automatic Parking Assist (APA)
Button (If Equipped). See
Assistance Systems for Parking or
Backing 0235.
Automatic Engine Stop/Start
Disable Switch (If Equipped). See
Stop/Start System 0186. 8. Light Sensor. See
Automatic
Headlamp System 0152.
9. Hazard Warning Flashers 0152.
Glove Box Button. See Glove Box
0 98.
10. Infotainment 0157.
11. Heated and Ventilated Front Seats
051 (If Equipped).
12. Wireless Charging 0107.
13. Automatic Climate Control System
(Dual Zone) 0158 or
Automatic Climate Control System
(Quad Zone) 0163.
14. Automatic Vehicle Hold (AVH)
0202 (If Equipped).
MODE Button. See Driver Mode
Control 0204.
Traction Control/Electronic
Stability Control 0203.
15. Infotainment Control Knob. See the infotainment manual.
16. Shift Lever. See Automatic
Transmission 0193. 17. Driver Information Center (DIC)
Controls. See Driver Information
Center (DIC) 0132.
18. Steering Wheel Controls. See the infotainment manual.
19. Horn 0104.
20. Steering Wheel Adjustment 0103
(Out of View).
21. Forward Collision Alert (FCA)
System 0244 (If Equipped).
Lane Keep Assist (LKA) 0254 (If
Equipped).
Heated Steering Wheel 0103 (If
Equipped).
22. Cruise Control 0209.
Adaptive Cruise Control 0211 (If
Equipped).
Super Cruise 0220 (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) 0123.

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) -
2020 - CRC - 6/11/19
KEYS, DOORS, AND WINDOWS 11
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 0140.
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
0 140. If the passenger door is open
when
Qis pressed, all doors lock. Pressing
Qmay also arm the alarm
system. See Vehicle Alarm System 030.
The vehicle may have remote folding
mirrors. See Folding Mirrors 033.
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 0140.
Lock and unlock feedback can be
personalized. See Vehicle
Personalization 0140. 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 030.
The vehicle may have remote folding
mirrors. See Folding Mirrors 033. Press and hold
Kuntil the windows
fully open. Windows will not operate
unless remote window operation is
enabled. See Vehicle Personalization
0 140.
/: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 017.
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
signal lamps flash for 30 seconds,
or until
7is pressed again or the
vehicle is started.
X: Press twice quickly to open the
trunk. Press once to stop the trunk
from moving. See Trunk023.

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) -
2020 - CRC - 6/11/19
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 019. 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
K
orQon 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 019.
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

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) -
2020 - CRC - 6/11/19
KEYS, DOORS, AND WINDOWS 15
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 019. 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. 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
K
orQon 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 019.
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

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) -
2020 - CRC - 6/11/19
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 thetransmitter 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
KEYS, DOORS, AND WINDOWS 17
1. Press the button on the side ofthe RKE transmitter near the
bottom and pull the key out.
Never pull the key out without
pressing the button.
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.
3. Remove the old battery. Do notuse a metal object.
4. Insert the new battery on the back housing, positive side facing
down. Replace with a CR2032 or
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.
/: 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 0140.
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 051.
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.

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) -
2020 - CRC - 6/11/19
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
010.
Starting the Engine Using Remote
Start
1. Press and release
Qon the RKE
transmitter.
2. Immediately press and hold
/
for at least four seconds or until
the turn signal lamps flash. 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. 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
/until the
parking lamps turn off. .
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).