
Cadillac CT6 Owner Manual (GMNA-Localizing-MidEast-10293390) - 2017 -
CRC - 6/21/16
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 . . . . . . . . . . . . . . . . . . . . . . . . . 14
Passenger Sensing System . . . . . . . . 15
Mirror Adjustment . . . . . . . . . . . . . . . . 15
Steering Wheel Adjustment . . . . . . . 16
Interior Lighting . . . . . . . . . . . . . . . . . . . 16
Exterior Lighting . . . . . . . . . . . . . . . . . . . 17
Windshield Wiper/Washer . . . . . . . . 17
Climate Controls . . . . . . . . . . . . . . . . . . . 18
Transmission . . . . . . . . . . . . . . . . . . . . . . . 19
Vehicle Features
Infotainment System . . . . . . . . . . . . . . 19
Steering Wheel Controls . . . . . . . . . . 19
Cruise Control . . . . . . . . . . . . . . . . . . . . . 20
Driver Information Center (DIC) . . . . . . . . . . . . . . . . . . . . . . 20
Forward Collision Alert (FCA) System . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Night Vision System . . . . . . . . . . . . . . . 21
Forward Automatic Braking (FAB) . . . . . . . . . . . . . . . . . . . . 21
Front Pedestrian Braking (FPB) System . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Lane Keep Assist (LKA) . . . . . . . . . . . 21
Lane Change Alert (LCA) . . . . . . . . . . 22
Surround Vision . . . . . . . . . . . . . . . . . . . 22
Rear Vision Camera (RVC) . . . . . . . . 22
Rear Cross Traffic Alert (RCTA) System . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Parking Assist . . . . . . . . . . . . . . . . . . . . . . 22
Automatic Parking Assist (APA) . . . . . . . . . . . . . . . . . . . . . . 22
Reverse Automatic Braking (RAB) . . . . . . . . . . . . . . . . . . . . 23
Power Outlets . . . . . . . . . . . . . . . . . . . . . . 23
Universal Remote System . . . . . . . . . 23
Sunroof . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Performance and Maintenance
Traction Control/Electronic Stability Control . . . . . . . . . . . . . . . . . . 24
Tire Pressure Monitor . . . . . . . . . . . . . 25
Fuel (LGW 3.0L V6 Twin Turbo Engine) . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Fuel (LGX 3.6L V6 Engine) . . . . . . . . 26
Engine Oil Life System . . . . . . . . . . . . 26
Driving for Better Fuel Economy . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Cadillac CT6 Owner Manual (GMNA-Localizing-MidEast-10293390) - 2017 -
CRC - 6/21/16
24 IN BRIEF
Sunroof
If equipped with a sunroof, the
ignition must be in ON/RUN or ACC/
ACCESSORY, or in Retained Accessory
Power (RAP), to operate the sunroof.
SeeIgnition Positions 0195 and
Retained Accessory Power (RAP) 0198.
1. SLIDE Switch
2. TILT Switch
Slide Switch
Express-Open/Express-Close : Press
the rear or front of
D(1) to the
second detent and release to
express-open or express-close the
sunroof.
Open/Close (Manual Mode) : Press
the rear of
D(1) to the first detent
and hold to open the sunroof. Press
the front of
D(1) to the first detent
and hold to close the sunroof.
Tilt Switch
Vent Feature : Press and hold the
front of
E(2) to vent the sunroof.
Press and hold the rear of
E(2) to
close the sunroof vent.
See Sunroof 052.
Performance and
Maintenance
Traction Control/Electronic
Stability Control
The Traction Control System (TCS)
limits wheel spin. The system is on
when the vehicle is started.
The StabiliTrak system assists with
directional control of the vehicle in
difficult driving conditions. The
system is on when the vehicle is
started.
.
To turn off TCS, press and
release
Yon the center console.
iilluminates in the instrument
cluster and the appropriate DIC
message displays. See Ride Control
System Messages 0148.
. Press and release
Yagain to turn
TCS back on.
. To turn off both TCS and
StabiliTrak, press and hold
Yon
the center console until
gandi
illuminate in the instrument

Cadillac CT6 Owner Manual (GMNA-Localizing-MidEast-10293390) - 2017 -
CRC - 6/21/16
28 KEYS, DOORS, AND WINDOWS
Keys, Doors, and
Windows
Keys and Locks
Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Remote Keyless Entry (RKE)System . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Remote Keyless Entry (RKE) System Operation . . . . . . . . . . . . . . . . 29
Remote Vehicle Start . . . . . . . . . . . . . . 34
Door Locks . . . . . . . . . . . . . . . . . . . . . . . . . 35
Power Door Locks . . . . . . . . . . . . . . . . . 37
Delayed Locking . . . . . . . . . . . . . . . . . . . 37
Automatic Door Locks . . . . . . . . . . . . 38
Lockout Protection . . . . . . . . . . . . . . . . 38
Safety Locks . . . . . . . . . . . . . . . . . . . . . . . . 38
Doors
Trunk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Vehicle Security
Vehicle Security . . . . . . . . . . . . . . . . . . . . 42
Vehicle Alarm System . . . . . . . . . . . . . 42
Immobilizer Operation . . . . . . . . . . . . 44
Exterior Mirrors
Convex Mirrors . . . . . . . . . . . . . . . . . . . . 45
Power Mirrors . . . . . . . . . . . . . . . . . . . . . . 46
Folding Mirrors . . . . . . . . . . . . . . . . . . . . 46 Heated Mirrors . . . . . . . . . . . . . . . . . . . . . 46
Automatic Dimming Mirror . . . . . . . 46
Reverse Tilt Mirrors . . . . . . . . . . . . . . . 46
Interior Mirrors
Interior Rearview Mirrors . . . . . . . . . 47
Automatic Dimming Rearview
Mirror . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Rear Camera Mirror . . . . . . . . . . . . . . . 47
Windows
Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Power Windows . . . . . . . . . . . . . . . . . . . . 49
Sun Visors . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Rear Window Sunshade . . . . . . . . . . . 51
Roof
Sunroof . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
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-MidEast-10293390) - 2017 -
CRC - 6/21/16
KEYS, DOORS, AND WINDOWS 49
The RCM may not work properly or
display a clear image if:
.There is glare from the sun or
headlamps. This may obstruct
objects from view.
. Dirt, snow, or other debris blocks
the camera lens. Clean the lens
with a soft damp cloth.
. The back of the vehicle has been
damaged and the position and
mounting angle of the camera has
changed.Windows
{Warning
Never leave a child, a helpless adult,
or a pet alone in a vehicle,
especially with the windows closed
in warm or hot weather. They can
be overcome by the extreme heat
and suffer permanent injuries or
even death from heat stroke.
The vehicle aerodynamics are
designed to improve fuel economy
performance. This may result in a
pulsing sound when either rear
window is down and the front
windows are up. To reduce the sound,
open either a front window or the
sunroof, if equipped.
Power Windows
{Warning
Children could be seriously injured
or killed if caught in the path of a
closing window. Never leave keys in
a vehicle with children. When there
are children in the rear seat, use the
window lockout button to prevent
operation of the windows. See
Keys 028.

Cadillac CT6 Owner Manual (GMNA-Localizing-MidEast-10293390) - 2017 -
CRC - 6/21/16
52 KEYS, DOORS, AND WINDOWS
There is also a control for the rear
window sunshade on the rear door
panel.Rear Passenger Door Sunshades
If equipped, use the handle to pull the
sunshade up and attach to the holder
at the top of the window.
To close the sunshade, use the handle
to unhook and hold it while it
retracts down.
Roof
Sunroof
If equipped with a sunroof, the
ignition must be in ON/RUN or ACC/
ACCESSORY, or in Retained Accessory
Power (RAP), to operate the sunroof.
See
Ignition Positions 0195 and
Retained Accessory Power (RAP) 0198.
1. SLIDE Switch
2. TILT Switch

Cadillac CT6 Owner Manual (GMNA-Localizing-MidEast-10293390) - 2017 -
CRC - 6/21/16
KEYS, DOORS, AND WINDOWS 53
Slide Switch
Express-Open/Express-Close :Press
the rear or front of
D(1) to the
second detent and release to
express-open or express-close the
sunroof.
Open/Close (Manual Mode) : Press
the rear of
D(1) to the first detent
and hold to open the sunroof. Press
the front of
D(1) to the first detent
and hold to close the sunroof.
Tilt Switch
Vent Feature : Press and hold the
front of
E(2) to vent the sunroof.
Press and hold the rear of
E(2) to
close the sunroof vent.
Power Sunshades
If equipped, pressFto open or
close the front sunroof sunshade.
If equipped, pressGto open or
close the rear sunroof sunshade.
The rear door panels have controls for
the rear sunroof sunshade. Press
Q
to open or close.
Automatic Reversal System
The sunroof/sunshade is equipped
with an automatic reversal system
that is only active when the sunroof/
sunshade is being operated in
express–close. If an object is in the
path of the sunroof/sunshade while it
is express-closing, the reversal system
will detect the object and stop. In the
event of closing difficulties like frost

Cadillac CT6 Owner Manual (GMNA-Localizing-MidEast-10293390) - 2017 -
CRC - 6/21/16
VEHICLE CARE 275
FuseUsage
F11 Driver memory seat module
F12 –
F13 –
F14 Right rear seat
F15 Left front amplifier
F16 Right front seat
F17 Rear heated seat
F18 Regulated voltage control battery
F19 Door mirror switch
F20 –
F21 Vehicle integration control module
F22 –
F23 Rear closure
F24 –
F25 Left motorized safety belt pretensioner
F26 Rear defogger
F27 Right front amplifier Fuse
Usage
F28 Amplifier
F29 Sunroof
F30 Body control module 2
F31 Body control module 6
F32 Exterior heated mirrors
F33 Right window
F34 Power trunk module
F35 On-board charging module
F36 Alarm siren module
F37 DC AC inverter
F38 Rear blower
F39 Fuel pump power
F40 –
F41 Rear seat power outlet
F42 Left rear memory seat
F43 – Fuse
Usage
F44 Rear closure
F45 Auxiliary audio/ Video/Radio
F46 External object calculating/Side blind
zone alert/Radar
short range sensor
F47 –
F48 Right front seat
F49 Memory bolster module
F50 Body control module 1
F51 Transmission control module
F52 Parking assist
F53 Ventilated seats
F54 Headliner
F55 Front memory seat module
F56 Evaporative emissions leak check
module

Cadillac CT6 Owner Manual (GMNA-Localizing-MidEast-10293390) - 2017 -
CRC - 6/21/16
334 INDEX
Ride Control SystemsMessages . . . . . . . . . . . . . . . . . . . . . . . . . . 148
Roads Driving, Wet . . . . . . . . . . . . . . . . . . . . . . . 188
Roof Sunroof . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Rotation, Tires . . . . . . . . . . . . . . . . . . . . . . 284
Routing, Engine Drive Belt . . . . . . . . . 324
Running the Vehicle While
Parked . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201
S
Safety Belts . . . . . . . . . . . . . . . . . . . . . . . . . . . 67Care . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
How to Wear Safety BeltsProperly . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Lap-Shoulder Belt . . . . . . . . . . . . . . . . . . . 69
Messages . . . . . . . . . . . . . . . . . . . . . . . . . . 149
Reminders . . . . . . . . . . . . . . . . . . . . . . . . . 125
Replacing after a Crash . . . . . . . . . . . . . 73
Use During Pregnancy . . . . . . . . . . . . . . 72
Safety Kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
Safety Locks . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Safety System Check . . . . . . . . . . . . . . . . 72
Seats Head Restraints . . . . . . . . . . . . . . . . . . . . . 56
Heated and Ventilated Front . . . . . . . 62
Heated and Ventilated, Rear . . . . . . . 66
Lumbar Adjustment, Front . . . . . . . . . 58 Seats (cont'd)
Lumbar Adjustment, Rear . . . . . . . . . . 65
Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Power Adjustment, Front . . . . . . . . . . 58
Rear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Reclining Seatbacks . . . . . . . . . . . . . . . . 60
Securing Child Restraints . . . . . . . 98, 99
Security Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134
Messages . . . . . . . . . . . . . . . . . . . . . . . . . . 149
Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Vehicle Alarm . . . . . . . . . . . . . . . . . . . . . . . 42
Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183 Accessories and
Modifications . . . . . . . . . . . . . . . . . . . . 245
Doing Your Own Work . . . . . . . . . . . 245
Engine Soon Light . . . . . . . . . . . . . . . . 127
Maintenance Records . . . . . . . . . . . . 320
Maintenance, General Information . . . . . . . . . . . . . . . . . . . . . . 310
Parts Identification Label . . . . . . . . 321
Vehicle Messages . . . . . . . . . . . . . . . . . 149
Service Electric Parking Brake
Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130
Services Special Application . . . . . . . . . . . . . . . 316
Servicing the Airbag . . . . . . . . . . . . . . . . . 83 Shift Lock Control Function
Check, Automatic
Transmission . . . . . . . . . . . . . . . . . . . . . . 264
Shifting Into Park . . . . . . . . . . . . . . . . . . . . . . . . . . 198
Out of Park . . . . . . . . . . . . . . . . . . . . . . . . 199
Side Blind Zone Alert (SBZA) . . . . . . 236
Signals, Turn and Lane-Change . . . . 166
Spare Tire
Compact . . . . . . . . . . . . . . . . . . . . . . . . . . . 295
Special Application Services . . . . . . . 316
Specifications and Capacities . . . . . . 322
Speedometer . . . . . . . . . . . . . . . . . . . . . . . . 121
StabiliTrak
OFF Light . . . . . . . . . . . . . . . . . . . . . . . . . . 132
Start Assist, Hill . . . . . . . . . . . . . . . . . . . . 207
Start Vehicle, Remote . . . . . . . . . . . . . . . 34
Starter Switch Check . . . . . . . . . . . . . . . 264
Starting the Engine . . . . . . . . . . . . . . . . . 196
Starting the Vehicle Messages . . . . . 150
Steering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 186
Heated Wheel . . . . . . . . . . . . . . . . . . . . . 108
Wheel Adjustment . . . . . . . . . . . . . . . . 108
Wheel Controls . . . . . . . . . . . . . . . . . . . 108
Steering System Messages . . . . . . . . . 149
Storage
Rear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104