2018 CADILLAC CT6 engine overheat
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Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-11292458) -
2018 - crc - 2/15/17
VEHICLE CARE 325
Stop/Start System
The vehicle has a Stop/Start system to
shut off the engine to help conserve
fuel.
SeeStarting the Engine (PLUG-IN Only)
0 218 orStarting the Engine (Gasoline
Only) 0221.
{Warning
WARNING: Battery posts,
terminals, and related accessories
contain lead and lead compounds,
chemicals known to the State of
California to cause cancer and birth
defects or other reproductive harm.
Batteries also contain other
chemicals known to the State of
California to cause cancer. WASH
HANDS AFTER HANDLING. For
more information go to
www.P65Warnings.ca.gov/
passenger-vehicle.
See California Proposition 65 Warning
0 297 and the back cover.
PLUG-IN Vehicle
The PLUG-IN vehicle 12-volt battery is
in the trunk. PLUG-IN vehicles also
have a high voltage battery. Only a
trained service technician with the
proper knowledge and tools should
inspect, test, or replace the high
voltage battery. See your dealer if
either the 12-volt or the high voltage
battery needs service. The dealer has
information on how to recycle the
high voltage battery.
{Warning
Damage to the high voltage battery
or high voltage system can create a
risk of electric shock, overheating,
or fire.
If the vehicle is damaged from a
moderate to severe crash, flood,
fire, or other event, the vehicle
should be inspected as soon as
possible. Until the vehicle has been
inspected, store it outside at least
15 m (50 ft) from any structure or
(Continued)
Warning (Continued)
anything that can burn. Ventilate
the vehicle by opening a window or
a door.
Contact your dealer as soon as
possible to determine whether an
inspection is needed.
Vehicle Storage
{Warning
Batteries have acid that can burn
you and gas that can explode. You
can be badly hurt if you are not
careful. SeeJump Starting - North
America 0374 for tips on working
around a battery without
getting hurt.
Infrequent Usage: Remove the 12-volt
battery black, negative (−) cable from
the battery to keep the battery from
running down.
Page 436 of 445
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
Page 440 of 445
Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-11292458) -
2018 - crc - 2/14/17
INDEX 439
Oil (cont'd)Engine Oil Pressure Gauge . . . . . . . 137
Pressure Light . . . . . . . . . . . . . . . . . . . . . 149
Older Children, Restraints . . . . . . . . . . . 96
Online Owner Center . . . . . . . . . . . . . . . 411
OnStar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 420
OnStar Additional Information . . . . 426
OnStar Connections . . . . . . . . . . . . . . . . 423
OnStar Diagnostics . . . . . . . . . . . . . . . . . 425
OnStar Emergency . . . . . . . . . . . . . . . . . . 422
OnStar Navigation . . . . . . . . . . . . . . . . . . 423
OnStar Overview . . . . . . . . . . . . . . . . . . . . 421
OnStar Security . . . . . . . . . . . . . . . . . . . . . 422
Ordering
Service Publications . . . . . . . . . . . . . . 416
Out of Fuel/Engine Unavailable . . . . 227
Outlets Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
Overheating, Engine . . . . . . . . . . . . . . . . 321
P
Park Shifting Into . . . . . . . . . . . . . . . . . . . . . . 224
Shifting Out of . . . . . . . . . . . . . . . . . . . . 225
Parking Brake and P (Park)Mechanism Check . . . . . . . . . . . . . . . 327
Extended . . . . . . . . . . . . . . . . . . . . . . . . . . 226 Parking (cont'd)
Over Things That Burn . . . . . . . . . . . 225
Parking Assist . . . . . . . . . . . . . . . . . . . . . . . 254
Parking or Backing Assistance Systems . . . . . . . . . . . . . . . 254
Passenger Airbag Status Indicator . . . . . . . . . . . . . . . . . . . . . . . . . . . 141
Passenger Compartment Air Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 204
Passenger Sensing System . . . . . . . . . . 91
Pedestrian Ahead Indicator . . . . . . . . 147
Perchlorate Materials Requirements, California . . . . . . . . . 297
Personalization
Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 170
Plug-In Charging . . . . . . . . . . . . . . . . . . . . 274
Power Door Locks . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Flows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152
Indicator Gauge . . . . . . . . . . . . . . . . . . . 136
Mirrors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Outlets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
Protection, Battery . . . . . . . . . . . . . . . . 189
Retained Accessory (RAP) . . . . . . . . 224
Seat Adjustment . . . . . . . . . . . . . . . . . . . . 67
Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Pregnancy, Using Seat Belts . . . . . . . . . 83 Premium Care Maintenance
Cadillac . . . . . . . . . . . . . . . . . . . . . . . . . . . . 390
Privacy Vehicle Data Recording . . . . . . . . . . 419
Program Courtesy Transportation . . . . . . . . . 413
Programmable Charging . . . . . . . . . . . . 152
Proposition
65 Warning,
California . . . . . . . . . . . . . . .297, 324, 374, Back Cover
R
Radio Frequency Statement . . . . . . . . 417
Reading Lamps . . . . . . . . . . . . . . . . . . . . . 188
Ready Indicator . . . . . . . . . . . . . . . . . . . . . 151
Rear Camera Mirror . . . . . . . . . . . . . . . . . 56
Rear Seat Pass-Through Door . . . . . . . 77
Rear Seats . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Heated and Ventilated . . . . . . . . . . . . . 77
Rear Storage . . . . . . . . . . . . . . . . . . . . . . . . 116
Rear Vision Camera (RVC) . . . . . . . . . 254
Rear Window Sunshade . . . . . . . . . . . . . 60
Rearview Mirrors
Automatic Dimming . . . . . . . . . . . . . . . . 56
Reclining Seatbacks . . . . . . . . . . . . . . . . . 69
Recommended Fluids and
Lubricants . . . . . . . . . . . . . . . . . . . . . . . . . 399