transmission fluid CADILLAC CT6 2016 User Guide

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-9235592) -
2016 - crc - 11/6/15
Service and Maintenance 353
Recommended Fluids, Lubricants, and Parts Recommended Fluids and Lubricants Usage Fluid/Lubricant
Engine Oil Engine oil meeting the dexos1 ™ specification of the proper SAE viscosity
grade. AC Delco dexos1 Synthetic Blend is recommended. See Engine
Oil 0 270 .
Engine Coolant 50/50 mixture of clean, drinkable water and use only DEX-COOL ®
Coolant.
See Engine Coolant 0 277 .
Hydraulic Brake System DOT 3 Hydraulic Brake Fluid (GM Part No. 19299818, in
Canada 19299819).
Windshield Washer Automotive windshield washer fluid that meets regional freeze protection
requirements.
Automatic Transmission DEXRON ®
-HP Automatic Transmission Fluid (GM Part No. 19300536, in
Canada 19300537).
Transfer Case (All-Wheel Drive) Transfer Case Fluid (GM Part No. 19331044, in Canada 19331045).
Rear Axle SAE 75W-90 Synthetic Axle Lubricant (GM Part No. 88863089, in
Canada 88863090) meeting GM Specification 9986285.
Rear Axle/Front Axle (All-Wheel
Drive) SAE 75W-90 Synthetic Axle Lubricant (GM Part No. 88863089, in
Canada 88863090).
Hood Latch Assembly, Pivots, Spring
Anchor, and Release Pawl Lubriplate Lubricant Aerosol (GM Part No. 89021668, in
Canada 89021674) or lubricant meeting requirements of NLGI #2,
Category LB or GC-LB.

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-9235592) -
2016 - crc - 11/6/15
Technical Data 359Application Capacities
Metric English
Engine Oil with Filter
2.0L L4 Engine 4.7 L 5.0 qt
3.0L V6 Twin Turbo Engine 5.7 L 6.0 qt
3.6L V6 Engine 6.15 L 6.5 qt
Fuel Tank 72.7 L 19.2 gal
Transfer Case – AWD 0.8 L 0.85 qt
Wheel Nut Torque 150 Y 110 lb ft
All capacities are approximate. When adding, be sure to fill to the approximate level, as recommended in this
manual. Recheck fluid level after filling.
Engine SpecificationsEngine VIN Code Transmission Spark Plug Gap
2.0L L4 Engine X Automatic 0.75 – 0.90 mm (0.030 –
0.035 in)
3.0L V6 Twin Turbo Engine 6 Automatic 0.65 – 0.75 mm (0.26 –
0.030 in)
3.6L V6 Engine S Automatic 0.80 – 0.90 mm (0.031 –
0.035 in)

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-9235592) -
2016 - crc - 11/6/15
386 Index Assistance Systems for
Driving . . . . . . . . . . . . . . . . . . . . . . . . 237
Assistance Systems for
Parking and Backing . . . . . . . . . . 231
Auto Stop Mode . . . . . . . . . . . . . . . . 139
Automatic
Climate Control
System . . . . . . . . . . . . . . . . . 178, 185
Door Locks . . . . . . . . . . . . . . . . . . . . . 39
Headlamp System . . . . . . . . . . . . 172
Transmission . . . . . . . . . . . . . . . . . 210
Transmission Fluid . . . . . . . . . . . 273
Automatic Transmission
Manual Mode . . . . . . . . . . . . . . . . . 212
Shift Lock Control Function
Check . . . . . . . . . . . . . . . . . . . . . . . 285
Automatic Vehicle
Hold (AVH) . . . . . . . . . . . . . . . . . . . . 217
B Battery
Exterior Lighting Battery
Saver . . . . . . . . . . . . . . . . . . . . . . . 176
Power Protection . . . . . . . . . . . . . 176
Voltage and Charging
Messages . . . . . . . . . . . . . . . . . . . 147
Battery - North America . . . . 284, 327
Blade Replacement, Wiper . . . . . 286
Boost Gauge . . . . . . . . . . . . . . . . . . . 125 Brake
Parking, Electric . . . . . . . . . . . . . . 214
System Warning Light . . . . . . . . 133
Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . 282
Antilock . . . . . . . . . . . . . . . . . . . . . . . 214
Assist . . . . . . . . . . . . . . . . . . . . . . . . . 216
Fluid . . . . . . . . . . . . . . . . . . . . . . . . . . 283
System Messages . . . . . . . . . . . . 147
Braking . . . . . . . . . . . . . . . . . . . . . . . . . 193
Braking System
Front Pedestrian (FPB) . . . . . . . 241
Break-In, New Vehicle . . . . . . . . . . 202
Bulb Replacement . . . . . . . . . . . . . . 289
Headlamp Aiming . . . . . . . . . . . . . 287
Headlamps . . . . . . . . . . . . . . . . . . . 288
License Plate Lamps . . . . . . . . . 288
Buying New Tires . . . . . . . . . . . . . . . 315
C Cadillac Premium Care
Maintenance . . . . . . . . . . . . . . . . . . 344
Calibration . . . . . . . . . . . . . . . . . . . . . . 113
California
Fuel Requirements . . . . . . . . . . . 253
Perchlorate Materials
Requirements . . . . . . . . . . . . . . . 262
California
Proposition
65 Warning . . . . . . . . . .262, 284, 327 Canadian Vehicle Owners . . . . . . . . 2
Capacities and
Specifications . . . . . . . . . . . . . . . . . 358
Carbon Monoxide
Engine Exhaust . . . . . . . . . . . . . . . 209
Trunk . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Winter Driving . . . . . . . . . . . . . . . . 197
Cargo
Tie-Downs . . . . . . . . . . . . . . . . . . . . 108
Caution, Danger, and Warning . . . . 2
Center Console Storage . . . . . . . . 107
Chains, Tire . . . . . . . . . . . . . . . . . . . . 319
Charging
Wireless . . . . . . . . . . . . . . . . . . . . . . .115
Charging System Light . . . . . . . . . 131
Check
Malfunction Indicator
Engine Light . . . . . . . . . . . . . . . . 132
Child Restraints
Infants and Young Children . . . . . 90
Lower Anchors and Tethers
for Children . . . . . . . . . . . . . . . . . . . 95
Older Children . . . . . . . . . . . . . . . . . . 88
Securing . . . . . . . . . . . . . . . . . 101, 103
Systems . . . . . . . . . . . . . . . . . . . . . . . . 92
Circuit Breakers . . . . . . . . . . . . . . . . 290
Cleaning
Exterior Care . . . . . . . . . . . . . . . . . 333

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-9235592) -
2016 - crc - 11/6/15
388 Index E Electric Parking Brake . . . . . . . . . . 214
Electric Parking Brake Light . . . . 134
Electrical Equipment,
Add-On . . . . . . . . . . . . . . . . . . . . . . . 260
Electrical System
Engine Compartment Fuse
Block . . . . . . . . . . . . . . . . . . . . . . . . 290
Fuses and Circuit Breakers . . . 290
Instrument Panel Fuse
Block . . . . . . . . . . . . . . . . . . . . . . . . 293
Overload . . . . . . . . . . . . . . . . . . . . . 289
Rear Compartment Fuse
Block . . . . . . . . . . . . . . . . . . . . . . . . 295
Emergency
OnStar ®
. . . . . . . . . . . . . . . . . . . . . . 376
Engine
Air Cleaner/Filter . . . . . . . . . . . . . 273
Check and Service Engine
Soon Light . . . . . . . . . . . . . . . . . . 132
Compartment Overview . . . . . . . 265
Coolant . . . . . . . . . . . . . . . . . . . . . . . 277
Coolant Heater . . . . . . . . . . . . . . . 206
Coolant Temperature
Gauge . . . . . . . . . . . . . . . . . . . . . . 128 Engine (cont'd)
Coolant Temperature
Warning Light . . . . . . . . . . . . . . . 137
Cooling System . . . . . . . . . . . . . . . 275
Cooling System Messages . . . 149
Drive Belt Routing . . . . . . . . . . . . 360
Exhaust . . . . . . . . . . . . . . . . . . . . . . 209
Oil Life System . . . . . . . . . . . . . . . 272
Oil Messages . . . . . . . . . . . . . . . . . 149
Oil Pressure Gauge . . . . . . . . . . 126
Oil Pressure Light . . . . . . . . . . . . 138
Overheating . . . . . . . . . . . . . . . . . . 280
Power Messages . . . . . . . . . . . . . 150
Running While Parked . . . . . . . . 210
Starting . . . . . . . . . . . . . . . . . . . . . . . 204
Engine Oil
Temperature Gauge . . . . . . . . . . 127
Entry Lighting . . . . . . . . . . . . . . . . . . . 175
Equipment, Towing . . . . . . . . . . . . . 259
Event Data Recorders . . . . . . . . . . 373
Exit Lighting . . . . . . . . . . . . . . . . . . . . 176
Extender, Safety Belt . . . . . . . . . . . . 75
Exterior Lamp Controls . . . . . . . . . 170
Exterior Lamps Off Reminder . . . 172
Exterior Lighting Battery
Saver . . . . . . . . . . . . . . . . . . . . . . . . . 176 F Features
Memory . . . . . . . . . . . . . . . . . . . . . . . . . 12
Filter,
Engine Air Cleaner . . . . . . . . . . . 273
Flash-to-Pass . . . . . . . . . . . . . . . . . . . 172
Flashers, Hazard Warning . . . . . . 173
Flat Tire . . . . . . . . . . . . . . . . . . . . . . . . 320
Changing . . . . . . . . . . . . . . . . . . . . . 321
Floor Mats . . . . . . . . . . . . . . . . . . . . . . 341
Fluid
Automatic Transmission . . . . . . 273
Brakes . . . . . . . . . . . . . . . . . . . . . . . . 283
Washer . . . . . . . . . . . . . . . . . . . . . . . 281
Forward Collision Alert
(FCA) System . . . . . . . . . . . . . . . . . 237
Frequency Statement
Radio . . . . . . . . . . . . . . . . . . . . . . . . . 371
Front Automatic Braking
(FAB) System . . . . . . . . . . . . . . . . . 240
Front Pedestrian Braking
(FPB) System . . . . . . . . . . . . . . . . . 241
Front Seats
Heated and Ventilated . . . . . . . . . . 64
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . 251
Additives . . . . . . . . . . . . . . . . . . . . . 253
Economy Driving . . . . . . . . . . . . . . . 27

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-9235592) -
2016 - crc - 11/6/15
Index 391Low-Profile Tires . . . . . . . . . . . . . . . . 300
Lower Anchors and Tethers
for Children (LATCH
System) . . . . . . . . . . . . . . . . . . . . . . . . 95
Lumbar Adjustment . . . . . . . . . . 60, 68
Front Seats . . . . . . . . . . . . . . . . . . . . . 60
Rear Seats . . . . . . . . . . . . . . . . . . . . . 68
M Maintenance
Records . . . . . . . . . . . . . . . . . . . . . . 356
Maintenance and Care
Additional . . . . . . . . . . . . . . . . . . . . . 350
Maintenance Schedule . . . . . . . . . 344
Recommended Fluids and
Lubricants . . . . . . . . . . . . . . . . . . . 353
Malfunction Indicator Lamp . . . . . 132
Manual Mode . . . . . . . . . . . . . . . . . . . 212
Massage . . . . . . . . . . . . . . . . . . . . . . . . 66
Memory Features . . . . . . . . . . . . . . . . 12
Memory Seats . . . . . . . . . . . . . . . . . . . 63
Messages
Airbag System . . . . . . . . . . . . . . . . 154
Battery Voltage and
Charging . . . . . . . . . . . . . . . . . . . . 147
Brake System . . . . . . . . . . . . . . . . 147
Compass . . . . . . . . . . . . . . . . . . . . . 148
Door Ajar . . . . . . . . . . . . . . . . . . . . . 148
Engine Cooling System . . . . . . . 149 Messages (cont'd)
Engine Oil . . . . . . . . . . . . . . . . . . . . 149
Engine Power . . . . . . . . . . . . . . . . 150
Fuel System . . . . . . . . . . . . . . . . . . 150
Key and Lock . . . . . . . . . . . . . . . . . 150
Lamp . . . . . . . . . . . . . . . . . . . . . . . . . 151
Object Detection System . . . . . 151
Ride Control System . . . . . . . . . . 154
Safety Belt . . . . . . . . . . . . . . . . . . . . 154
Security . . . . . . . . . . . . . . . . . . . . . . 155
Service Vehicle . . . . . . . . . . . . . . . 155
Starting the Vehicle . . . . . . . . . . . 156
Steering System . . . . . . . . . . . . . . 155
Tire . . . . . . . . . . . . . . . . . . . . . . . . . . . 156
Transmission . . . . . . . . . . . . . . . . . 156
Vehicle . . . . . . . . . . . . . . . . . . . . . . . 146
Vehicle Reminder . . . . . . . . . . . . . 157
Vehicle Speed . . . . . . . . . . . . . . . . 157
Washer Fluid . . . . . . . . . . . . . . . . . 157
Window . . . . . . . . . . . . . . . . . . . . . . . 157
Mirror
Rear Camera . . . . . . . . . . . . . . . . . . . 50
Mirrors
Automatic Dimming
Rearview . . . . . . . . . . . . . . . . . . . . . . 49
Convex . . . . . . . . . . . . . . . . . . . . . . . . . 48
Heated . . . . . . . . . . . . . . . . . . . . . . . . . 49
Power . . . . . . . . . . . . . . . . . . . . . . . . . . 48 Mirrors (cont'd)
Tilt in Reverse . . . . . . . . . . . . . . . . . . 49
Mirrors, Interior Rearview . . . . . . . . 49
Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . 219
Driver Control . . . . . . . . . . . . . . . . . 219
Monitor System, Tire
Pressure . . . . . . . . . . . . . . . . . . . . . . 308
N Navigation
OnStar ®
. . . . . . . . . . . . . . . . . . . . . . 376
Net, Convenience . . . . . . . . . . . . . . 108
New Vehicle Break-In . . . . . . . . . . . 202
Night Vision System . . . . . . . . . . . . 243
O Object Detection System
Messages . . . . . . . . . . . . . . . . . . . . . 151
Odometer . . . . . . . . . . . . . . . . . . . . . . . 124
Trip . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
Off-Road
Recovery . . . . . . . . . . . . . . . . . . . . . 194
Oil
Engine . . . . . . . . . . . . . . . . . . . . . . . . 270
Engine Oil Life System . . . . . . . 272
Engine Oil Pressure Gauge . . . 126
Messages . . . . . . . . . . . . . . . . . . . . 149
Pressure Light . . . . . . . . . . . . . . . . 138
Older Children, Restraints . . . . . . . 88

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-9235592) -
2016 - crc - 11/6/15
Index 395Tires (cont'd)
When It Is Time for New
Tires . . . . . . . . . . . . . . . . . . . . . . . . 314
Winter . . . . . . . . . . . . . . . . . . . . . . . . 300
Towing
Driving Characteristics . . . . . . . . 255
Equipment . . . . . . . . . . . . . . . . . . . . 259
General Information . . . . . . . . . . 255
Recreational Vehicle . . . . . . . . . . 331
Trailer . . . . . . . . . . . . . . . . . . . . . . . . 258
Vehicle . . . . . . . . . . . . . . . . . . . . . . . 330
Traction
Control System (TCS)/
StabiliTrak ®
Light . . . . . . . . . . . . 137
Off Light . . . . . . . . . . . . . . . . . . . . . . 136
Traction Control/Electronic
Stability Control . . . . . . . . . . . . . . . 217
Trailer
Towing . . . . . . . . . . . . . . . . . . . . . . . . 258
Transmission
Automatic . . . . . . . . . . . . . . . . . . . . . 210
Fluid, Automatic . . . . . . . . . . . . . . 273
Messages . . . . . . . . . . . . . . . . . . . . 156
Transportation Program,
Courtesy . . . . . . . . . . . . . . . . . . . . . . 367
Trip Odometer . . . . . . . . . . . . . . . . . . 124
Trunk . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 Turn and Lane-Change
Signals . . . . . . . . . . . . . . . . . . . . . . . . 173
U Uniform Tire Quality Grading . . . 316
Universal Remote System . . . . . . 166
Operation . . . . . . . . . . . . . . . . . . . . . 168
Programming . . . . . . . . . . . . . . . . . 166
Using This Manual . . . . . . . . . . . . . . . . 2
V Vehicle
Alarm System . . . . . . . . . . . . . . . . . . 44
Canadian Owners . . . . . . . . . . . . . . . 2
Control . . . . . . . . . . . . . . . . . . . . . . . 193
Identification Number (VIN) . . . 357
Load Limits . . . . . . . . . . . . . . . . . . . 198
Messages . . . . . . . . . . . . . . . . . . . . 146
Personalization . . . . . . . . . . . . . . . 157
Reminder Messages . . . . . . . . . . 157
Remote Start . . . . . . . . . . . . . . . . . . . 36
Security . . . . . . . . . . . . . . . . . . . . . . . . 44
Speed Messages . . . . . . . . . . . . . 157
Towing . . . . . . . . . . . . . . . . . . . . . . . . 330
Vehicle Ahead Indicator . . . . . . . . 136
Vehicle Care
Tire Pressure . . . . . . . . . . . . . . . . . 306
Vehicle Data Recording and
Privacy . . . . . . . . . . . . . . . . . . . . . . . . 372 Vehicle Hold
Automatic . . . . . . . . . . . . . . . . . . . . . 217
Ventilation, Air . . . . . . . . . . . . . . . . . . 189
Video Recorder . . . . . . . . . . . . . . . . . 250
Visors . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Voltmeter Gauge . . . . . . . . . . . . . . . 129
W Warning
Brake System Light . . . . . . . . . . . 133
Caution and Danger . . . . . . . . . . . . . 2
Lane Departure (LDW) . . . . . . . 248
Warning Lights, Gauges, and
Indicators . . . . . . . . . . . . . . . . . . . . . 117
Warnings
Hazard Flashers . . . . . . . . . . . . . . 173
Washer Fluid . . . . . . . . . . . . . . . . . . . 281
Messages . . . . . . . . . . . . . . . . . . . . 157
Wheels
Alignment and Tire Balance . . 318
Different Size . . . . . . . . . . . . . . . . . 316
Replacement . . . . . . . . . . . . . . . . . 318
When It Is Time for New
Tires . . . . . . . . . . . . . . . . . . . . . . . . . . 314
Where to Put the Restraint . . . . . . 94
Windows . . . . . . . . . . . . . . . . . . . . . . . . 51
Messages . . . . . . . . . . . . . . . . . . . . 157
Power . . . . . . . . . . . . . . . . . . . . . . . . . . 52