Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-9235592) -
2016 - crc - 11/6/15
Service and Maintenance 345a year and the oil life system must
be reset. Your trained dealer
technician can perform this work.
If the engine oil life system is reset
accidentally, service the vehicle
within 5 000 km/3,000 mi since the
last service. Reset the oil life
system when the oil is changed.
See Engine Oil Life System 0 272 .
Tire Rotation and Required
Services Every 12 000 km/
7,500 mi Rotate the tires, if recommended for
the vehicle, and perform the
following services. See Tire
Rotation 0 313 .
.
Check engine oil level and oil
life percentage. If needed,
change engine oil and filter, and
reset oil life system. See Engine
Oil 0 270 and Engine Oil Life
System 0 272 .
.
Check engine coolant level. See
Engine Coolant 0 277 .
.
Check windshield washer fluid
level. See Washer Fluid 0 281 . .
Visually inspect windshield wiper
blades for wear, cracking,
or contamination. See Exterior
Care 0 333 . Replace worn or
damaged wiper blades. See
Wiper Blade
Replacement 0 286 .
.
Check tire inflation pressures.
See Tire Pressure 0 306 .
.
Inspect tire wear. See Tire
Inspection 0 312 .
.
Visually check for fluid leaks.
.
Inspect engine air cleaner filter.
See Engine Air Cleaner/
Filter 0 273 .
.
Inspect brake system. See
Exterior Care 0 333 .
.
Visually inspect steering,
suspension, and chassis
components for damaged, loose,
or missing parts or signs of
wear. See Exterior Care 0 333 .
.
Check restraint system
components. See Safety System
Check 0 75 .
.
Visually inspect fuel system for
damage or leaks. .
Visually inspect exhaust system
and nearby heat shields for
loose or damaged parts.
.
Lubricate body components. See
Exterior Care 0 333 .
.
Check starter switch. See Starter
Switch Check 0 285 .
.
Check automatic transmission
shift lock control function. See
Automatic Transmission Shift
Lock Control Function
Check 0 285 .
.
Check parking brake and
automatic transmission park
mechanism. See Park Brake and
P (Park) Mechanism
Check 0 286 .
.
Check accelerator pedal for
damage, high effort, or binding.
Replace if needed.
.
Visually inspect gas strut for
signs of wear, cracks, or other
damage. Check the hold open
ability of the strut. See your
dealer if service is required.
.
Inspect sunroof track and seal,
if equipped. See Sunroof 0 55 .
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
390 Index Instrument Panel
Storage Area . . . . . . . . . . . . . . . . . 106
Instrument Panel Overview . . . . . . . 6
Interior Rearview Mirrors . . . . . . . . . 49
Introduction . . . . . . . . . . . . . . . . . . . . . . . 2
J Jump Starting - North
America . . . . . . . . . . . . . . . . . . . . . . . 327
K Key and Lock Messages . . . . . . . . 150
Keyless Entry
Remote (RKE) System . . . . . . . . . 29
Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
L Labeling, Tire Sidewall . . . . . . . . . . 301
Lamps
Courtesy . . . . . . . . . . . . . . . . . . . . . . 174
Daytime Running (DRL) . . . . . . 172
Dome . . . . . . . . . . . . . . . . . . . . . . . . . 174
Exterior Controls . . . . . . . . . . . . . . 170
Exterior Lamps Off
Reminder . . . . . . . . . . . . . . . . . . . 172
Exterior Lighting Battery
Saver . . . . . . . . . . . . . . . . . . . . . . . 176
License Plate . . . . . . . . . . . . . . . . . 288
Malfunction Indicator . . . . . . . . . 132
Messages . . . . . . . . . . . . . . . . . . . . 151 Lamps (cont'd)
On Reminder . . . . . . . . . . . . . . . . . 139
Reading . . . . . . . . . . . . . . . . . . . . . . 175
Lane Change Alert (LCA) . . . . . . . 246
Lane Departure
Warning (LDW) . . . . . . . . . . . . . . . . 248
Lane Keep Assist (LKA) . . . . . . . . 248
Lane Keep Assist Light . . . . . . . . . 135
Lap-Shoulder Belt . . . . . . . . . . . . . . . 72
LATCH System
Replacing Parts after a
Crash . . . . . . . . . . . . . . . . . . . . . . . 100
LATCH, Lower Anchors and
Tethers for Children . . . . . . . . . . . . 95
LED Lighting . . . . . . . . . . . . . . . . . . . . 288
Light, Auto Stop Mode . . . . . . . . . . 139
Lighting
Entry . . . . . . . . . . . . . . . . . . . . . . . . . 175
Exit . . . . . . . . . . . . . . . . . . . . . . . . . . . 176
Illumination Control . . . . . . . . . . . 174
LED . . . . . . . . . . . . . . . . . . . . . . . . . . 288
Lights . . . . . . . . . . . . . . . . . . . . . . . . . . . 135
Airbag Readiness . . . . . . . . . . . . . 130
Antilock Brake System
(ABS) Warning . . . . . . . . . . . . . . 135
Brake System Warning . . . . . . . 133
Charging System . . . . . . . . . . . . . 131
Cruise Control . . . . . . . . . . . . . . . . 140 Lights (cont'd)
Door Ajar . . . . . . . . . . . . . . . . . . . . . 140
Electric Parking Brake . . . . . . . . 134
Engine Coolant
Temperature Warning . . . . . . . 137
Engine Oil Pressure . . . . . . . . . . 138
Flash-to-Pass . . . . . . . . . . . . . . . . . 172
High-Beam On . . . . . . . . . . . . . . . . 139
High/Low Beam Changer . . . . . 172
Low Fuel Warning . . . . . . . . . . . . 138
Safety Belt Reminders . . . . . . . . 129
Security . . . . . . . . . . . . . . . . . . . . . . 139
Service Electric Parking
Brake . . . . . . . . . . . . . . . . . . . . . . . 134
StabiliTrak ®
OFF . . . . . . . . . . . . . 136
Tire Pressure . . . . . . . . . . . . . . . . . 137
Traction Control System
(TCS)/StabiliTrak ®
. . . . . . . . . . 137
Traction Off . . . . . . . . . . . . . . . . . . . 136
Locks
Automatic Door . . . . . . . . . . . . . . . . . 39
Delayed Locking . . . . . . . . . . . . . . . . 39
Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Lockout Protection . . . . . . . . . . . . . . 39
Power Door . . . . . . . . . . . . . . . . . . . . . 39
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Loss of Control . . . . . . . . . . . . . . . . . 195
Low Fuel Warning Light . . . . . . . . . 138
Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-9235592) -
2016 - crc - 11/6/15
392 Index Online Owner Center . . . . . . . . . . . 364
OnStar . . . . . . . . . . . . . . . . . . . . . . . . . 373
OnStar ®
Additional
Information . . . . . . . . . . . . . . . . . . . . 379
OnStar ®
Connections . . . . . . . . . . . 377
OnStar ®
Diagnostics . . . . . . . . . . . . 379
OnStar ®
Emergency . . . . . . . . . . . . 376
OnStar ®
Navigation . . . . . . . . . . . . . 376
OnStar ®
Overview . . . . . . . . . . . . . . 375
OnStar ®
Security . . . . . . . . . . . . . . . 376
Ordering
Service Publications . . . . . . . . . . 370
Outlets
Power . . . . . . . . . . . . . . . . . . . . . . . . .114
Overheating, Engine . . . . . . . . . . . . 280
P Park
Shifting Into . . . . . . . . . . . . . . . . . . . 207
Shifting Out of . . . . . . . . . . . . . . . . 208
Parking
Brake and P (Park)
Mechanism Check . . . . . . . . . . 286
Over Things That Burn . . . . . . . 209
Parking or Backing
Assistance Systems . . . . . . . . . . 231
Passenger Airbag Status
Indicator . . . . . . . . . . . . . . . . . . . . . . 130 Passenger Compartment Air
Filter . . . . . . . . . . . . . . . . . . . . . . . . . . 190
Passenger Sensing System . . . . . 82
Pedestrian Ahead Indicator . . . . . 136
Perchlorate Materials
Requirements, California . . . . . . 262
Personalization
Vehicle . . . . . . . . . . . . . . . . . . . . . . . 157
Power
Door Locks . . . . . . . . . . . . . . . . . . . . . 39
Mirrors . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Outlets . . . . . . . . . . . . . . . . . . . . . . . .114
Protection, Battery . . . . . . . . . . . . 176
Retained Accessory (RAP) . . . 206
Seat Adjustment . . . . . . . . . . . . . . . . 60
Windows . . . . . . . . . . . . . . . . . . . . . . . 52
Pregnancy, Using Safety Belts . . . 74
Premium Care Maintenance
Cadillac . . . . . . . . . . . . . . . . . . . . . . . 344
Privacy
Vehicle Data Recording . . . . . . . 372
Program
Courtesy Transportation . . . . . . 367
Proposition
65 Warning,
California . . . . . . . . . . . .262, 284, 327 R Radio Frequency Statement . . . . 371
Reading Lamps . . . . . . . . . . . . . . . . . 175
Rear Camera Mirror . . . . . . . . . . . . . 50
Rear Seat Armrest . . . . . . . . . . . . . . . 68
Rear Seat Pass-Through Door . . . 69
Rear Seats . . . . . . . . . . . . . . . . . . . . . . 66
Heated and Ventilated . . . . . . . . . . 69
Rear Storage . . . . . . . . . . . . . . . . . . . 107
Rear Window Sunshade . . . . . . . . . 54
Rearview Mirrors
Automatic Dimming . . . . . . . . . . . . . 49
Reclining Seatbacks . . . . . . . . . . . . . 62
Recommended Fluids and
Lubricants . . . . . . . . . . . . . . . . . . . . . 353
Recorder
Video . . . . . . . . . . . . . . . . . . . . . . . . . 250
Records
Maintenance . . . . . . . . . . . . . . . . . . 356
Recreational Vehicle Towing . . . . 331
Remote Keyless Entry (RKE)
System . . . . . . . . . . . . . . . . . . . . . . . . . 29
Remote Vehicle Start . . . . . . . . . . . . 36
Replacement Bulbs . . . . . . . . . . . . . 289
Replacement Parts
Airbags . . . . . . . . . . . . . . . . . . . . . . . . . 87
Maintenance . . . . . . . . . . . . . . . . . . 354
Replacing Airbag System . . . . . . . . 87
Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-9235592) -
2016 - crc - 11/6/15
Index 393Replacing LATCH System
Parts after a Crash . . . . . . . . . . . . 100
Replacing Safety Belt System
Parts after a Crash . . . . . . . . . . . . . 75
Reporting Safety Defects
Canadian Government . . . . . . . . 372
General Motors . . . . . . . . . . . . . . . 372
U.S. Government . . . . . . . . . . . . . 371
Restraints
Where to Put . . . . . . . . . . . . . . . . . . . 94
Retained Accessory
Power (RAP) . . . . . . . . . . . . . . . . . . 206
Reverse Tilt Mirrors . . . . . . . . . . . . . . 49
Ride Control Systems
Messages . . . . . . . . . . . . . . . . . . . . 154
Roads
Driving, Wet . . . . . . . . . . . . . . . . . . 195
Roadside Service . . . . . . . . . . . . . . . 364
Roof
Sunroof . . . . . . . . . . . . . . . . . . . . . . . . . 55
Rotation, Tires . . . . . . . . . . . . . . . . . . 313
Routing, Engine Drive Belt . . . . . . 360
Running the Vehicle While
Parked . . . . . . . . . . . . . . . . . . . . . . . . 210 S Safety Belts . . . . . . . . . . . . . . . . . . . . . 70
Care . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Extender . . . . . . . . . . . . . . . . . . . . . . . . 75
How to Wear Safety Belts
Properly . . . . . . . . . . . . . . . . . . . . . . . 71
Lap-Shoulder Belt . . . . . . . . . . . . . . 72
Messages . . . . . . . . . . . . . . . . . . . . 154
Reminders . . . . . . . . . . . . . . . . . . . . 129
Replacing after a Crash . . . . . . . . 75
Use During Pregnancy . . . . . . . . . . 74
Safety Defects Reporting
Canadian Government . . . . . . . . 372
General Motors . . . . . . . . . . . . . . . 372
U.S. Government . . . . . . . . . . . . . 371
Safety Locks . . . . . . . . . . . . . . . . . . . . . 40
Safety System Check . . . . . . . . . . . . 75
Scheduling Appointments . . . . . . . 367
Seats
Head Restraints . . . . . . . . . . . . . . . . 58
Heated and Ventilated Front . . . . 64
Heated and Ventilated, Rear . . . . 69
Lumbar Adjustment, Front . . . . . . 60
Lumbar Adjustment, Rear . . . . . . 68
Memory . . . . . . . . . . . . . . . . . . . . . . . . . 63
Power Adjustment, Front . . . . . . . 60
Rear . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Reclining Seatbacks . . . . . . . . . . . . 62 Securing Child
Restraints . . . . . . . . . . . . . . . . 101, 103
Security
Light . . . . . . . . . . . . . . . . . . . . . . . . . . 139
Messages . . . . . . . . . . . . . . . . . . . . 155
OnStar ®
. . . . . . . . . . . . . . . . . . . . . . 376
Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . 44
Vehicle Alarm . . . . . . . . . . . . . . . . . . . 44
Service . . . . . . . . . . . . . . . . . . . . . . . . . 190
Accessories and
Modifications . . . . . . . . . . . . . . . . 262
Doing Your Own Work . . . . . . . . 263
Engine Soon Light . . . . . . . . . . . . 132
Maintenance Records . . . . . . . . 356
Maintenance, General
Information . . . . . . . . . . . . . . . . . . 342
Parts Identification Label . . . . . 357
Publications Ordering
Information . . . . . . . . . . . . . . . . . . 370
Scheduling Appointments . . . . . 367
Vehicle Messages . . . . . . . . . . . . 155
Service Electric Parking
Brake Light . . . . . . . . . . . . . . . . . . . . 134
Services
Special Application . . . . . . . . . . . 349
Servicing the Airbag . . . . . . . . . . . . . 86