2016 CADILLAC CT6 engine

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-9235592) -
2016 - crc - 11/6/15
Introduction 3
{ DangerDanger indicates a hazard with a
high level of risk which will result
in serious injury or death.
{ WarningWarning indicates a hazard that
could result in injury or death.
CautionCaution 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
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. For more
information on the symbol, refer to
the Index. 9 : Airbag Readiness Light
# : Air Conditioning
G : Air Conditioning Refrigerant Oil
! : Antilock Brake System (ABS)
g : Audio Steering Wheel Controls
or OnStar ®
(if equipped)
$ : Brake System Warning Light
I : Certified Technician
" : Charging System
I : Cruise Control
` : Do Not Puncture
^ : Do Not Service
B : Engine Coolant Temperature
O : Exterior Lamps
_ : Flame/Fire Prohibited
H : Flammable
. : Fuel Gauge
+ : Fuses
3 : Headlamp High/Low-Beam
Changer
( : Heated Steering Wheel
j : LATCH System Child Restraints

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-9235592) -
2016 - crc - 11/6/15
In Brief 5
In Brief Instrument Panel Instrument Panel Overview . . . . . . 6
Initial Drive Information Initial Drive Information . . . . . . . . . . 8
Stop/Start System . . . . . . . . . . . . . . . 8
Remote Keyless Entry (RKE)
System . . . . . . . . . . . . . . . . . . . . . . . . 8
Remote Vehicle Start . . . . . . . . . . . 9
Door Locks . . . . . . . . . . . . . . . . . . . . . 9
Trunk . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Windows . . . . . . . . . . . . . . . . . . . . . . . 10
Seat Adjustment . . . . . . . . . . . . . . . 10
Memory Features . . . . . . . . . . . . . . 12
Second Row Seats . . . . . . . . . . . . 13
Heated and Ventilated Seats . . . 14
Head Restraint Adjustment . . . . 14
Safety Belts . . . . . . . . . . . . . . . . . . . . 15
Passenger Sensing System . . . 15
Mirror Adjustment . . . . . . . . . . . . . . 15
Steering Wheel Adjustment . . . . 16
Interior Lighting . . . . . . . . . . . . . . . . 16
Exterior Lighting . . . . . . . . . . . . . . . 17
Windshield Wiper/Washer . . . . . . 18
Climate Controls . . . . . . . . . . . . . . . 19
Transmission . . . . . . . . . . . . . . . . . . 20 Vehicle Features Infotainment System . . . . . . . . . . . 20
Steering Wheel Controls . . . . . . . 20
Cruise Control . . . . . . . . . . . . . . . . . 20
Driver Information
Center (DIC) . . . . . . . . . . . . . . . . . 21
Forward Collision Alert (FCA)
System . . . . . . . . . . . . . . . . . . . . . . . 21
Night Vision System . . . . . . . . . . . 21
Front Automatic Braking (FAB)
System . . . . . . . . . . . . . . . . . . . . . . . 22
Front Pedestrian Braking (FPB)
System . . . . . . . . . . . . . . . . . . . . . . . 22
Lane Keep Assist (LKA) . . . . . . . 22
Lane Change Alert (LCA) . . . . . . 22
Surround Vision . . . . . . . . . . . . . . . 22
Rear Vision Camera (RVC) . . . . 23
Rear Cross Traffic Alert (RCTA)
System . . . . . . . . . . . . . . . . . . . . . . . 23
Parking Assist . . . . . . . . . . . . . . . . . 23
Automatic Parking
Assist (APA) . . . . . . . . . . . . . . . . . . 23
Rear Automatic Braking (RAB)
System . . . . . . . . . . . . . . . . . . . . . . . 23
Surround Vision Recorder . . . . . 24
Power Outlets . . . . . . . . . . . . . . . . . 24
Universal Remote System . . . . . 24
Sunroof . . . . . . . . . . . . . . . . . . . . . . . . 24 Performance and Maintenance Traction Control/Electronic
Stability Control . . . . . . . . . . . . . . 25
Tire Pressure Monitor . . . . . . . . . . 26
Engine Oil Life System . . . . . . . . 26
Driving for Better Fuel
Economy . . . . . . . . . . . . . . . . . . . . . 27
Roadside Service . . . . . . . . . . . . . . 27

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-9235592) -
2016 - crc - 11/6/15
In Brief 71. Air Vents 0 189 .
2. Exterior Lamp Controls 0 170 .
Turn Signal Lever. See Turn
and Lane-Change
Signals 0 173 .
3. Instrument Cluster (Uplevel)
0 121 or Instrument Cluster
(Base Level) 0 118 .
Driver Information Center (DIC)
Display. See Driver Information
Center (DIC) 0 140 .
4. Windshield Wiper/
Washer 0 111 .
5. ENGINE START/STOP Button.
See Ignition Positions 0 202 .
6. Parking Assist Button. See
Assistance Systems for
Parking or Backing 0 231 .
Automatic Parking Assist (APA)
Button. See Assistance
Systems for Parking or
Backing 0 231 .
Automatic Engine Start/Stop
Disable Switch. See Starting
the Engine 0 204 . 7. Light Sensor. See Automatic
Headlamp System 0 172 .
8. Hazard Warning
Flashers 0 173 .
Glove Box Button. See Glove
Box 0 106 .
9. Infotainment 0 177 .
10. Heated and Ventilated Front
Seats 0 64 (If Equipped).
11. Infotainment Touch Pad. See
the infotainment manual.
12. Automatic Climate Control
System (Quad Zone) 0 178 or
Automatic Climate Control
System (Dual Zone) 0 185 .
13. Automatic Vehicle Hold
(AVH) 0 217 .
MODE Button. See Driver
Mode Control 0 219 .
Traction Control/Electronic
Stability Control 0 217 .
14. Shift Lever. See Automatic
Transmission 0 210 .
15. Driver Information Center (DIC)
Controls. See Driver
Information Center (DIC) 0 140 . 16. Steering Wheel Controls. See
the infotainment manual.
17. Horn 0 111 .
18. Steering Wheel Adjustment
0 110 (Out of View).
19. Forward Collision Alert (FCA)
System 0 237 (If Equipped).
Lane Keep Assist (LKA) 0 248
(If Equipped).
Heated Steering Wheel 0 111
(If Equipped).
20. Cruise Control 0 220 .
Adaptive Cruise Control 0 223
(If Equipped).
Phone Button. See “ Steering
Wheel Controls ” in the
infotainment manual.
21. Data Link Connector (DLC)
(Out of View). See Malfunction
Indicator Lamp (Check Engine
Light) 0 132 .
22. Instrument Panel
Storage 0 106 .
Instrument Panel Fuse
Block 0 293 .

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-9235592) -
2016 - crc - 11/6/15
8 In Brief 23. Electric Parking Brake 0 214 .
Instrument Panel Illumination
Control 0 174 (Out of View).
Head-Up Display (HUD) 0 143
(If Equipped) (Out of View).
Initial Drive
Information This section provides a brief
overview about some of the
important features that may or may
not be on your specific vehicle.
For more detailed information, refer
to each of the features which can be
found later in this owner manual.
Stop/Start System The vehicle has a fuel saving stop/
start system to shut off the engine
and help conserve fuel.
When the brakes are applied and
the vehicle is at a complete stop,
the engine may turn off. When the
brake pedal is released or the
accelerator pedal is pushed, the
engine will restart.
The automatic engine stop/start
function can be disabled using the
switch. See Starting the
Engine 0 204 . Remote Keyless Entry
(RKE) System The RKE transmitter may work up to
60 m (197 ft) away.
Press the button to remove the key.
The key can be used for the
driver door.
Press
K to unlock the driver door or
all doors, depending on the vehicle
personalization settings. The fuel
door will also be unlocked,
if equipped.
Press
Q to lock all doors.

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-9235592) -
2016 - crc - 11/6/15
In Brief 9Lock and unlock feedback can be
personalized. See Vehicle
Personalization 0 157 .
Press
X twice quickly to open the
trunk.
Press
7 and release to initiate
vehicle locator.
Press and hold
7 for more than
three seconds to sound the panic
alarm.
Press
7 again to cancel the panic
alarm.
See Keys 0 28 and Remote Keyless
Entry (RKE) System Operation 0 29 .
Remote Vehicle Start The engine can be started from
outside of the vehicle.
Starting the Vehicle
1. Press and release
Q on the
RKE transmitter.
2. Immediately press and hold
/for at least four seconds or until
the turn signal lamps flash. 3. Start the vehicle normally after
entering.
When the vehicle starts, the parking
lamps will turn on.
Remote start can be extended.
Canceling a Remote Start To cancel a remote start, do one of
the following:
.
Press and hold
/ until the
parking lamps turn off.
.
Turn on the hazard warning
flashers.
.
Turn the vehicle on and then off.
See Remote Vehicle Start 0 36 .
Door Locks Keyless Access
Press the button on the door handle
and pull the handle when the
Remote Keyless Entry (RKE)
transmitter is within range. See
Remote Keyless Entry (RKE)
System Operation 0 29 . Manual Operation From outside, use the key in the
driver door. The key lock cylinder is
covered by a cap. See Door
Locks 0 37 .
From the inside rear doors, push
down on the door lock knob on top
of the door. To unlock a door, pull
once on the door handle to unlock it,
and again to open it.
Power Door Locks From outside, press
Q or
K on the
RKE transmitter.

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-9235592) -
2016 - crc - 11/6/15
26 In Brief .
To turn off both TCS and
StabiliTrak, press and hold
Yon the center console until
gand
i illuminate in the
instrument cluster. The
appropriate DIC message
displays. See Ride Control
System Messages 0 154 .
.
Press and release
Y again to
turn on both systems.
See Traction Control/Electronic
Stability Control 0 217 .
The vehicle has Driver Mode
Control. See Driver Mode
Control 0 219 .
Tire Pressure Monitor This vehicle may have a Tire
Pressure Monitor System (TPMS). The low tire pressure warning light
alerts to a significant loss in
pressure of one of the vehicle's
tires. If the warning light comes on,
stop as soon as possible and inflate
the tires to the recommended
pressure shown on the Tire and
Loading Information label. See
Vehicle Load Limits 0 198 . The
warning light will remain on until the
tire pressure is corrected.
The low tire pressure warning light
may come on in cool weather when
the vehicle is first started, and then
turn off as the vehicle is driven. This
may be an early indicator that the
tire pressures are getting low and
the tires need to be inflated to the
proper pressure.
The TPMS does not replace normal
monthly tire maintenance. Maintain
the correct tire pressures.
See Tire Pressure Monitor
System 0 308 . Engine Oil Life System The engine oil life system calculates
engine oil life based on vehicle use
and displays the CHANGE ENGINE
OIL SOON message when it is time
to change the engine oil and filter.
The oil life system should be reset
to 100% only following an oil
change.
Resetting the Oil Life System
1. Using the DIC buttons, display
REMAINING OIL LIFE on the
DIC. See Driver Information
Center (DIC) 0 140 and Engine
Oil Messages 0 149 .
2. Press and hold SEL to clear
the CHANGE ENGINE OIL
SOON message and reset the
oil life at 100%.
Be careful not to reset the oil
life display accidentally at any
time other than after the oil is
changed. It cannot be reset
accurately until the next oil
change.

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-9235592) -
2016 - crc - 11/6/15
In Brief 27The oil life system can also be reset
as follows:
1. Turn the ignition on with the
engine off.
2. Fully press and release the
accelerator pedal three times
within five seconds.
If the CHANGE ENGINE OIL
SOON message is not on, the
system is reset.
See Engine Oil Life System 0 272 .
Driving for Better Fuel
Economy Driving habits can affect fuel
mileage. Here are some driving tips
to get the best fuel economy
possible.
.
Avoid fast starts and accelerate
smoothly.
.
Brake gradually and avoid
abrupt stops.
.
Avoid idling the engine for long
periods of time. .
When road and weather
conditions are appropriate, use
cruise control.
.
Always follow posted speed
limits or drive more slowly when
conditions require.
.
Keep vehicle tires properly
inflated.
.
Combine several trips into a
single trip.
.
Replace the vehicle's tires with
the same TPC Spec number
molded into the tire's sidewall
near the size.
.
Follow recommended scheduled
maintenance. Roadside Service U.S.: 1-800-224-1400
Canada: 1-800-882-1112
TTY Users (U.S. Only):
1-888-889-2438
New Cadillac owners are
automatically enrolled in the
Roadside Service Program.
See Roadside Service 0 364 .

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-9235592) -
2016 - crc - 11/6/15
30 Keys, Doors, and Windows
Q : Press to lock all doors. The turn
signal indicators may flash and/or
the horn may sound on the second
press to indicate locking. See
Vehicle Personalization 0 157 .
If the driver door is open when
Q is
pressed and Unlocked Door
Anti-Lockout is enabled through the
vehicle personalization, all doors will
lock and then the driver door will
immediately unlock. See Vehicle
Personalization 0 157 . If the
passenger door is open when
Q is
pressed, all doors lock. Pressing
Q may also arm the alarm
system. See Vehicle Alarm
System 0 44 .
If equipped with auto mirror folding,
pressing and holding
Q for
one second will fold the mirrors. The
auto mirror folding feature will not
operate unless it is enabled. See
Vehicle Personalization 0 157 .
K : Press to unlock the driver door.
Press unlock 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
Personalization 0 157 .
Lock and unlock feedback can be
personalized. See Vehicle
Personalization 0 157 . 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
K will also unlock the
fuel door. Pressing
K will disarm the alarm
system. See Vehicle Alarm
System 0 44 .
If equipped with auto mirror folding,
pressing and holding
K for
one second will unfold the mirrors.
The auto mirror folding feature will
not operate unless it is enabled.
See Vehicle Personalization 0 157 .
Press and hold
K until the windows
fully open. Windows will not operate
unless remote window operation is
enabled. See Vehicle
Personalization 0 157 .
/ : Press and release
Q and 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 0 36 .
7 : Press and release one time to
initiate vehicle locator. The exterior
lamps flash and the horn chirps
three times. Press and hold
7 for
more than three seconds to sound
the panic alarm. The horn sounds