
Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-11292458) -
2018 - crc - 2/14/17
DRIVING AND OPERATING 273
To Activate :Touch Video Recorder
on the Home Page. Touch
#.#
will have a red dot when the video
recorder is on. It will remain on until
it has been turned off. Recording will
start after exiting the playback screen.
Advise other drivers and occupants of
the vehicle that video images are
being recorded.
To Deactivate : Touch Video Recorder
on the Home Page. Touch
#.
Select from the following when the
vehicle is in P (Park).
Exit : Touch to exit this application
and return to the previous app. Video List :
Touch to display a list of
the most recent and saved videos.
Touch the delete button next to the
name to delete a saved video.
Rewind : Touch to rewind the video.
Touch again to stop rewinding.
Play/Pause : Touch to play or pause a
recorded video.
Fast Forward : Touch to fast forward
the video. Touch again to stop fast
forward.
Save : Touch to save a video. This
protects the video from being erased.
Once the SD card is full, files will be
overwritten unless they have been
saved.
Front/Rear Camera View : Select to
switch between the front and rear
camera views in playback.
TouchingSBack returns to the
player view with video that was
previously loaded still showing. The latest recorded video file can be
played. In addition:
.
There are approximately 12 hours
of video storage based on an 8GB
SD card. This could vary based on
exterior lighting conditions.
. The recorded video is stored in
five-minute-long files.
. All files can be viewed on the
playback app or when the SD card
is read by a personal
computer (PC).
. Once the SD card is full, the oldest
files will be overwritten.
To Delete Data : Remove the SD card
from the vehicle and insert into a PC
to manually delete the file.
Error messages can occur if:
. No SD card is present.
. An empty SD card is present.
. The video files are the wrong
format.
. The video files are corrupt.
. The SD card is full.
. There is a system error.

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-11292458) -
2018 - crc - 2/15/17
296 VEHICLE CARE
Vehicle Care
General Information
General Information . . . . . . . . . . . . . 297
California Proposition65 Warning . . . . . . . . . . . . . . . . . . . . . 297
California Perchlorate Materials Requirements . . . . . . . . . . . . . . . . . . . 297
Accessories and Modifications . . . . . . . . . . . . . . . . . . . 298
Vehicle Checks
Doing Your OwnService Work . . . . . . . . . . . . . . . . . . . . 298
Hood . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 299
Engine Compartment Overview . . . . . . . . . . . . . . . . . . . . . . . . . 300
Engine Oil . . . . . . . . . . . . . . . . . . . . . . . . . 307
Engine Oil Life System . . . . . . . . . . . 309
Automatic Transmission Fluid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 310
Engine Air Cleaner/Filter . . . . . . . . . 311
Cooling System (Gasoline Only) . . . . . . . . . . . . . . . . . 312
Cooling System (PLUG-IN Only) . . . . . . . . . . . . . . . . . 316
Engine Overheating . . . . . . . . . . . . . . 321
Washer Fluid . . . . . . . . . . . . . . . . . . . . . 322
Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 322
Brake Fluid . . . . . . . . . . . . . . . . . . . . . . . 323 Battery - North America . . . . . . . . . 324
All-Wheel Drive . . . . . . . . . . . . . . . . . . 326
Starter Switch Check . . . . . . . . . . . . . 326
Automatic Transmission Shift
Lock Control Function
Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . 327
Park Brake and P (Park) Mechanism Check . . . . . . . . . . . . . . 327
Wiper Blade Replacement . . . . . . . 327
Windshield Replacement . . . . . . . . 328
Gas Strut(s) . . . . . . . . . . . . . . . . . . . . . . . 328
Headlamp Aiming
Headlamp Aiming . . . . . . . . . . . . . . . . 329
Bulb Replacement
Bulb Replacement . . . . . . . . . . . . . . . . 330
LED Lighting . . . . . . . . . . . . . . . . . . . . . 330
License Plate Lamp . . . . . . . . . . . . . . 330
Replacement Bulbs . . . . . . . . . . . . . . . 330
Electrical System
Electrical System Overload . . . . . . 331
Fuses and Circuit Breakers . . . . . . 331
Engine Compartment Fuse Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . 332
Instrument Panel Fuse Block . . . . 335
Rear Compartment Fuse Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . 337
Wheels and Tires
Tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 340 All-Season Tires . . . . . . . . . . . . . . . . . . 341
Winter Tires . . . . . . . . . . . . . . . . . . . . . . 341
Low-Profile Tires . . . . . . . . . . . . . . . . . 342
Summer Tires . . . . . . . . . . . . . . . . . . . . 342
Tire Sidewall Labeling . . . . . . . . . . . 342
Tire Designations . . . . . . . . . . . . . . . . . 344
Tire Terminology and
Definitions . . . . . . . . . . . . . . . . . . . . . . 345
Tire Pressure . . . . . . . . . . . . . . . . . . . . . . 347
Tire Pressure for High-Speed Operation . . . . . . . . . . . . . . . . . . . . . . . . 349
Tire Pressure Monitor System . . . 349
Tire Pressure Monitor Operation . . . . . . . . . . . . . . . . . . . . . . . . 350
Tire Inspection . . . . . . . . . . . . . . . . . . . 353
Tire Rotation . . . . . . . . . . . . . . . . . . . . . 353
When It Is Time for New Tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 355
Buying New Tires . . . . . . . . . . . . . . . . 355
Different Size Tires and Wheels . . . . . . . . . . . . . . . . . . . . . . . . . . 357
Uniform Tire Quality Grading . . . 357
Wheel Alignment and Tire Balance . . . . . . . . . . . . . . . . . . . . . . . . . . 359
Wheel Replacement . . . . . . . . . . . . . . 359
Tire Chains . . . . . . . . . . . . . . . . . . . . . . . 360
If a Tire Goes Flat . . . . . . . . . . . . . . . . 360
Tire Sealant and Compressor Kit . . . . . . . . . . . . . . . . . 362
Storing the Tire Sealant and Compressor Kit . . . . . . . . . . . . . . . . . 368

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-11292458) -
2018 - crc - 2/15/17
330 VEHICLE CARE
Bulb Replacement
For the proper type of replacement
bulbs, seeReplacement Bulbs 0330.
For any bulb-changing procedure not
listed in this section, contact your
dealer.
LED Lighting
This vehicle has several LED lamps.
For replacement of any LED lighting
assembly not listed here, contact your
dealer.
License Plate Lamp
Lamp Assembly
To replace one of these lamps:
1. Push the lamp assembly toward the center of the vehicle.
2. Pull the lamp assembly down to expose the LED connector.
3. Pull the retaining tab on the LED connector up to release the lamp
assembly. Remove the lamp
assembly.
4. Install the new lamp assembly on the LED connector. Push in
the retaining tab to lock the new
lamp assembly in place. 5. Push the lamp assembly back
into position until the release tab
locks into place.
Replacement Bulbs
Exterior Lamp Bulb Number
License Plate Lamp 13588150
For replacement bulbs not listed here,
contact your dealer.

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-11292458) -
2018 - crc - 2/15/17
334 VEHICLE CARE
FusesUsage
20 High-beam headlamp relay
21 Air conditioning clutch
22 –
23 Coolant heater control module
24 Coolant pump
25 Coolant pump relay
26 Hi fuel
27 Steering column lock
28 Rear heated seats
29 Front heated seats
30 –
31 LED lighting battery
32 Air conditioning control module
33 AIR solenoid
34 –
35 Engine control module Fuses
Usage
36 Engine control module 2
37 Coolant pump/ Ignition coils–odd
38 Ignition coils–even/ Non walk 2
39 Non walk
40 Instrument cluster
41 –
42 Fuel pump power module
43 Instrument panel body/Ignition
44 Aeroshutter
45 Washer
46 Front sensor
47 Left cornering LED
48 AIR solenoid relay
49 Air pump relay
50 Engine control module relay
51 Wiper speed relay Fuses
Usage
52 Wiper control relay
53 Headlamp control relay
54 –
55 –
56 Air pump
57 –
58 Instrument panel electronic center
59 –
60 Anitlock brake system pump
61 Front wiper
62 Headlamp leveling
63 Electric brake booster module
64 –
65 –
66 Transfer case control module
67 Electric brake booster

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-11292458) -
2018 - crc - 2/14/17
INDEX 433
Automatic (cont'd)Dimming Mirrors . . . . . . . . . . . . . . . . . . . 55
Door Locks . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Forward Braking . . . . . . . . . . . . . . . . . . 262
Headlamp System . . . . . . . . . . . . . . . . 185
Transmission . . . . . . . . . . . . . . . . . . . . . . 231
Transmission Fluid . . . . . . . . . . . . . . . 310
Vehicle Hold Light . . . . . . . . . . . . . . . . 147
Automatic Transmission
Manual Mode . . . . . . . . . . . . . . . . . . . . . 233
Shift Lock Control FunctionCheck . . . . . . . . . . . . . . . . . . . . . . . . . . . . 327
Automatic Vehicle Hold (AVH) . . . . 237
B
Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135 Exterior Lighting BatterySaver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189
Power Protection . . . . . . . . . . . . . . . . . . 189
Battery - North America . . . . . .324, 374
Battery Gauge High Voltage . . . . . . . . . . . . . . . . . . . . . . 135
Blade Replacement, Wiper . . . . . . . . . 327
Boost Gauge . . . . . . . . . . . . . . . . . . . . . . . . . 136
Brake Parking, Electric . . . . . . . . . . . . . . . . . . 235
System Warning Light . . . . . . . . . . . . 145
Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 322
Antilock . . . . . . . . . . . . . . . . . . . . . . . . . . . 234 Brakes (cont'd)
Assist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 236
Fluid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 323
Regenerative Braking . . . . . . . . . . . . . 237
Braking . . . . . . . . . . . . . . . . . . . . . . . . .207, 208 Automatic Forward . . . . . . . . . . . . . . . 262
Braking System Front Pedestrian (FPB) . . . . . . . . . . . 264
Break-In, New Vehicle . . . . . . . . . . . . . . 216
Bulb Replacement . . . . . . . . . . . . . . . . . . 330
Headlamp Aiming . . . . . . . . . . . . . . . . 329
Headlamps . . . . . . . . . . . . . . . . . . . . . . . . 330
License Plate Lamps . . . . . . . . . . . . . . 330
Buying New Tires . . . . . . . . . . . . . . . . . . . 355C
Cadillac Premium Care
Maintenance . . . . . . . . . . . . . . . . . . . . . . 390
Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . 122
California
Fuel Requirements . . . . . . . . . . . . . . . . 287
Perchlorate MaterialsRequirements . . . . . . . . . . . . . . . . . . . 297
California Proposition
65 Warning . . . . . . . . . . . . .297, 324, 374, Back Cover
Canadian Vehicle Owners . . . . . . . . . . . . . 2
Capacities and Specifications . . . . . . 404 Carbon Monoxide
Engine Exhaust . . . . . . . . . . . . . . . . . . . 230
Trunk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Winter Driving . . . . . . . . . . . . . . . . . . . . 211
Cargo Tie-Downs . . . . . . . . . . . . . . . . . . . . . . . . . 117
Caution, Danger, and Warning . . . . . . . . 2
Center Console Storage . . . . . . . . . . . . . 116
Chains, Tire . . . . . . . . . . . . . . . . . . . . . . . . . 360
Charge Cord . . . . . . . . . . . . . . . . . . . . . . . . . 279
Charging
Delay Override . . . . . . . . . . . . . . . . . . . . 275
Electrical Requirements . . . . . . . . . . 285
Plug-In . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 274
Programmable . . . . . . . . . . . . . . . . . . . . 152
Utility Interruption . . . . . . . . . . . . . . . 284
Wireless . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
Charging Status Screens . . . . . . . . . . . . 275
Charging System Light . . . . . . . . . . . . . 142
Check Engine Light (Malfunction
Indicator) . . . . . . . . . . . . . . . . . . . . . . . . 143
Child Restraints Infants and Young Children . . . . . . . . 98
Lower Anchors and Tethersfor Children . . . . . . . . . . . . . . . . . . . . . . 103
Older Children . . . . . . . . . . . . . . . . . . . . . . 96
Securing . . . . . . . . . . . . . . . . . . . . . . 109, 111

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-11292458) -
2018 - crc - 2/14/17
INDEX 435
Driving (cont'd)Defensive . . . . . . . . . . . . . . . . . . . . . . . . . . 207
Drunk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 207
For Better Fuel Economy . . . . . . . . . . . 32
Hill and Mountain Roads . . . . . . . . 211
If the Vehicle is Stuck . . . . . . . . . . . . 212
Loss of Control . . . . . . . . . . . . . . . . . . . . 209
Off-Road Recovery . . . . . . . . . . . . . . . . 209
Vehicle Load Limits . . . . . . . . . . . . . . 213
Wet Roads . . . . . . . . . . . . . . . . . . . . . . . . . 210
Winter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 211
Winter Mode Light . . . . . . . . . . . . . . . 146
Driving for Better Energy Efficiency . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
E
Electric Parking Brake . . . . . . . . . . . . . . 235
Electric Parking Brake Light . . . . . . . 145
Electrical Equipment, Add-On . . . . . 295
Electrical Requirements for
Battery Charging . . . . . . . . . . . . . . . . . . 285
Electrical System Engine Compartment FuseBlock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 332
Fuses and Circuit Breakers . . . . . . . 331
Instrument Panel Fuse Block . . . . 335
Overload . . . . . . . . . . . . . . . . . . . . . . . . . . . 331
Rear Compartment Fuse Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 337 Emergency
OnStar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 422
Energy Efficiency Driving . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Energy Information . . . . . . . . . . . . . . . . . 161
Engine Air Cleaner/Filter . . . . . . . . . . . . . . . . . 311
Check Light (Malfunction
Indicator) . . . . . . . . . . . . . . . . . . . . . . . . 143
Compartment Overview . . . . . . . . . . 300
Coolant Temperature Gauge . . . . . 139
Coolant Temperature Warning Light . . . . . . . . . . . . . . . . . . . 149
Cooling System . . . . . . . . . . . . . . 312, 316
Drive Belt Routing . . . . . . . . . . . . . . . . 406
Exhaust . . . . . . . . . . . . . . . . . . . . . . . . . . . . 230
Heater . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 223
Oil Life System . . . . . . . . . . . . . . . . . . . . 309
Oil Pressure Gauge . . . . . . . . . . . . . . . . 137
Oil Pressure Light . . . . . . . . . . . . . . . . . 149
Overheating . . . . . . . . . . . . . . . . . . . . . . . 321
Power Messages . . . . . . . . . . . . . . . . . . 169
Running While Parked . . . . . . . . . . . 230
Starting . . . . . . . . . . . . . . . . . . . . . . . 218, 221
Engine Oil
Temperature Gauge . . . . . . . . . . . . . . . 138
Engine Unavailable Out of Fuel . . . . . . . . . . . . . . . . . . . . . . . . 227 Entry Lighting . . . . . . . . . . . . . . . . . . . . . . 188
Equipment, Towing . . . . . . . . . . . . . . . . . 294
Event Data Recorders . . . . . . . . . . . . . . 419
Exit Lighting . . . . . . . . . . . . . . . . . . . . . . . . 189
Extended Parking . . . . . . . . . . . . . . . . . . . 226
Extender, Seat Belt . . . . . . . . . . . . . . . . . . 83
Exterior Lamp Controls . . . . . . . . . . . . 183
Exterior Lamps Off Reminder . . . . . . 185
Exterior Lighting Battery Saver . . . . 189
F
Features
Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Filter, Engine Air Cleaner . . . . . . . . . . . . . . . . 311
Flash-to-Pass . . . . . . . . . . . . . . . . . . . . . . . . 185
Flashers, Hazard Warning . . . . . . . . . . 186
Flat Tire . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 360 Changing . . . . . . . . . . . . . . . . . . . . . . . . . . 368
Floor Mats . . . . . . . . . . . . . . . . . . . . . . . . . . . 387
Fluid Automatic Transmission . . . . . . . . . 310
Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 323
Washer . . . . . . . . . . . . . . . . . . . . . . . . . . . . 322
Folding Mirrors . . . . . . . . . . . . . . . . . . . . . . 55
Forward Automatic Braking . . . . . . . . 262
Forward Collision Alert (FCA) System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-11292458) -
2018 - crc - 2/14/17
INDEX 437
I
Ignition Positions . . . . . . . . . . . . . . . . . . . 217
Immobilizer . . . . . . . . . . . . . . . . . . . . . . . . . . 53
IndicatorPedestrian Ahead . . . . . . . . . . . . . . . . . 147
Vehicle Ahead . . . . . . . . . . . . . . . . . . . . . 147
Infants and Young Children, Restraints . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
Information Energy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161
Infotainment . . . . . . . . . . . . . . . . . . . . . . . . 190
Infotainment System . . . . . . . . . . . . . . . 420
Instrument Cluster . . . . . . . . . . . .127, 130
Instrument Panel Storage Area . . . . . . . . . . . . . . . . . . . . . . 115
Instrument Panel Overview . . . . . . . . . . . 6
Interior Rearview Mirrors . . . . . . . . . . . 56
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
J
Jump Starting - North America . . . . 374
K
Keyless Entry Remote (RKE) System . . . . . . . . . . . . . . 35
Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
L
Labeling, Tire Sidewall . . . . . . . . . . . . . 342
Lamps Courtesy . . . . . . . . . . . . . . . . . . . . . . . . . . . 187
Daytime Running (DRL) . . . . . . . . . . 185
Dome . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187
Exterior Controls . . . . . . . . . . . . . . . . . . 183
Exterior Lamps Off Reminder . . . . 185
Exterior Lighting BatterySaver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189
License Plate . . . . . . . . . . . . . . . . . . . . . . 330
Malfunction Indicator (Check Engine) . . . . . . . . . . . . . . . . . . . . . . . . . . 143
On Reminder . . . . . . . . . . . . . . . . . . . . . . 151
Reading . . . . . . . . . . . . . . . . . . . . . . . . . . . . 188
Lane Change Alert (LCA) . . . . . . . . . . . 269
Lane Departure Warning (LDW) . . . . . . . . . . . . . . . . . . . 270
Lane Keep Assist (LKA) . . . . . . . . . . . . 271
Lane Keep Assist Light . . . . . . . . . . . . . 147
Lap-Shoulder Belt . . . . . . . . . . . . . . . . . . . . 80
LATCH System
Replacing Parts after a Crash . . . . 109
LATCH, Lower Anchors and
Tethers for Children . . . . . . . . . . . . . . 103
LED Lighting . . . . . . . . . . . . . . . . . . . . . . . . 330 Light, Auto Stop Mode . . . . . . . . . . . . . 150
Lighter, Cigarette . . . . . . . . . . . . . . . . . . . 125
Lighting
Entry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 188
Exit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189
Illumination Control . . . . . . . . . . . . . . 187
LED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 330
Lights Airbag Readiness . . . . . . . . . . . . . . . . . 141
Antilock Brake System (ABS)Warning . . . . . . . . . . . . . . . . . . . . . . . . . 146
Automatic Vehicle Hold . . . . . . . . . . 147
Brake System Warning . . . . . . . . . . . 145
Charging System . . . . . . . . . . . . . . . . . . 142
Check Engine (Malfunction Indicator) . . . . . . . . . . . . . . . . . . . . . . . . 143
Cruise Control . . . . . . . . . . . . . . . . . . . . . 151
Door Ajar . . . . . . . . . . . . . . . . . . . . . . . . . . 152
Electric Parking Brake . . . . . . . . . . . . 145
Engine Coolant Temperature Warning . . . . . . . . . . . . . . . . . . . . . . . . . 149
Engine Oil Pressure . . . . . . . . . . . . . . . 149
Flash-to-Pass . . . . . . . . . . . . . . . . . . . . . . 185
High-Beam On . . . . . . . . . . . . . . . . . . . . 151
High/Low Beam Changer . . . . . . . . . 185
Lane Keep Assist . . . . . . . . . . . . . . . . . . 147