2018 CADILLAC CTS overheating

Cadillac CTS/CTS-V Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
11349156) - 2018 - CRC - 9/29/17
294 VEHICLE CARE
Wheels and Tires
Tires
Every new GM vehicle has
high-quality tires made by a
leading tire manufacturer. See the
warranty manual for information
regarding the tire warranty and
where to get service. For
additional information refer to the
tire manufacturer.
{Warning
.Poorly maintained and
improperly used tires are
dangerous.
.Overloading the tires can
cause overheating as a
result of too much flexing.
There could be a blowout
and a serious crash. See
Vehicle Load Limits0188.
(Continued)
Warning (Continued)
.Underinflated tires pose
the same danger as
overloaded tires. The
resulting crash could cause
serious injury. Check all
tires frequently to
maintain the
recommended pressure.
Tire pressure should be
checked when the tires
are cold.
.Overinflated tires are more
likely to be cut, punctured,
or broken by a sudden
impact —such as when
hitting a pothole. Keep
tires at the recommended
pressure.
.Worn or old tires can
cause a crash. If the tread
is badly worn,
replace them.
(Continued)
Warning (Continued)
.Replace any tires that have
been damaged by impacts
with potholes, curbs, etc.
.Improperly repaired tires
can cause a crash. Only
the dealer or an authorized
tire service center should
repair, replace, dismount,
and mount the tires.
.Do not spin the tires in
excess of 56 km/h
(35 mph) on slippery
surfaces such as snow,
mud, ice, etc. Excessive
spinning may cause the
tires to explode.
See Tire Pressure for High-Speed
Operation 0302 for inflation
pressure adjustment for
high-speed driving.

Cadillac CTS/CTS-V Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
11349156) - 2018 - CRC - 9/29/17
VEHICLE CARE 301
Speed Rating:An alphanumeric
code assigned to a tire indicating
the maximum speed at which a
tire can operate.
Traction
:The friction between
the tire and the road surface. The
amount of grip provided.
Tread
:The portion of a tire that
comes into contact with the road.
Treadwear Indicators
:Narrow
bands, sometimes called wear
bars, that show across the tread of
a tire when only 1.6 mm (1/16 in)
of tread remains. See When It Is
Time for New Tires 0308.
UTQGS (Uniform Tire Quality
Grading Standards)
:A tire
information system that provides
consumers with ratings for a tire's
traction, temperature, and
treadwear. Ratings are determined
by tire manufacturers using
government testing procedures.
The ratings are molded into the
sidewall of the tire. See Uniform
Tire Quality Grading 0311. Vehicle Capacity Weight
:The
number of designated seating
positions multiplied by
68 kg (150 lb) plus the rated cargo
load. See Vehicle Load Limits 0188.
Vehicle Maximum Load on the
Tire
:Load on an individual tire
due to curb weight, accessory
weight, occupant weight, and
cargo weight.
Vehicle Placard
:A label
permanently attached to a vehicle
showing the vehicle capacity
weight and the original equipment
tire size and recommended
inflation pressure. See “Tire and
Loading Information Label” under
Vehicle Load Limits 0188.
Tire Pressure
Tires need the correct amount of
air pressure to operate effectively. Caution
Neither tire underinflation nor
overinflation is good.
Underinflated tires, or tires that
do not have enough air, can
result in:
.Tire overloading and
overheating which could
lead to a blowout.
.Premature or
irregular wear.
.Poor handling.
.Reduced fuel economy.
Overinflated tires, or tires that
have too much air, can result in:
.Unusual wear.
.Poor handling.
.Rough ride.
.Needless damage from
road hazards.

Cadillac CTS/CTS-V Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
11349156) - 2018 - CRC - 9/29/17
INDEX 385
Driving (cont'd)Track Events and Competitive . . . 180
Vehicle Load Limits . . . . . . . . . . . . . . 188
Wet Roads . . . . . . . . . . . . . . . . . . . . . . . . . 185
Winter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 186
Dual Automatic Climate Control System . . . . . . . . . . . . . . . . . . . . 167
E
Electric Parking Brake . . . . . . . . . . . . . . 204
Electric Parking Brake Light . . . . . . . 130
Electrical Equipment, Add-On . . . . . 251
Electrical SystemEngine Compartment Fuse
Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 286
Fuses and Circuit Breakers . . . . . . . 285
Instrument Panel Fuse Block . . . . 289
Overload . . . . . . . . . . . . . . . . . . . . . . . . . . . 285
Rear Compartment Fuse Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 291
Emergency OnStar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 372
Engine Air Cleaner/Filter . . . . . . . . . . . . . . . . . 267
Check Light (Malfunction
Indicator) . . . . . . . . . . . . . . . . . . . . . . . . 128
Compartment Overview . . . . . . . . . . 256
Coolant Temperature Gauge . . . . . 124 Engine (cont'd)
Coolant Temperature
Warning Light . . . . . . . . . . . . . . . . . . . 133
Cooling System . . . . . . . . . . . . . . . . . . . 269
Drive Belt Routing . . . . . . . . . . . . . . . . 356
Exhaust . . . . . . . . . . . . . . . . . . . . . . . . . . . . 199
Heater . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 196
Oil Life System . . . . . . . . . . . . . . . . . . . . 265
Oil Pressure Light . . . . . . . . . . . . . . . . . 134
Overheating . . . . . . . . . . . . . . . . . . . . . . . 274
Power Messages . . . . . . . . . . . . . . . . . . 143
Running While Parked . . . . . . . . . . . 200
Starting . . . . . . . . . . . . . . . . . . . . . . . . 20, 194
Engine Oil
Temperature Gauge . . . . . . . . . . . . . . . 124
Entry Lighting . . . . . . . . . . . . . . . . . . . . . . 159
Equipment, Towing . . . . . . . . . . . .250, 251
Event Data Recorders . . . . . . . . . . . . . . 369
Exit Lighting . . . . . . . . . . . . . . . . . . . . . . . . 159
Extended Parking . . . . . . . . . . . . . . . . . . . 199
Extender, Seat Belt . . . . . . . . . . . . . . . . . . 75
Exterior Lamp Controls . . . . . . . . . . . . 153
Exterior Lamps Off Reminder . . . . . . 155
Exterior Lighting Battery Saver . . . . 160
F
Features Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Filter,
Engine Air Cleaner . . . . . . . . . . . . . . . . 267
Flash-to-Pass . . . . . . . . . . . . . . . . . . . . . . . . 155
Flashers, Hazard Warning . . . . . . . . . . 157
Flat Tire . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 314
Floor Mats . . . . . . . . . . . . . . . . . . . . . . . . . . . 336
Fluid Automatic Transmission . . . . . . . . . 266
Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 276
Washer . . . . . . . . . . . . . . . . . . . . . . . . . . . . 275
Folding Mirrors . . . . . . . . . . . . . . . . . . . . . . 47
Forward Automatic Braking . . . . . . . . 235
Forward Collision Alert (FCA)
System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 232
Frequency Statement Radio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 367
Front Seats Heated and Ventilated . . . . . . . . . . . . . 64
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 242 Additives . . . . . . . . . . . . . . . . . . . . . . . . . . 244
Economy Driving . . . . . . . . . . . . . . . . . . . 28
Filling a Portable FuelContainer . . . . . . . . . . . . . . . . . . . . . . . . 246
Filling the Tank . . . . . . . . . . . . . . . . . . . 244
Foreign Countries . . . . . . . . . . . . . . . . . 244
Gauge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122
Low Fuel Warning Light . . . . . . . . . 134
Requirements, California . . . . . . . . . 243

Cadillac CTS/CTS-V Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
11349156) - 2018 - CRC - 9/29/17
388 INDEX
M
MaintenanceRecords . . . . . . . . . . . . . . . . . . . . . . . . . . . . 351
Maintenance and Care Additional . . . . . . . . . . . . . . . . . . . . . . . . . 345
Maintenance Schedule . . . . . . . . . . . . . 339 Recommended Fluids andLubricants . . . . . . . . . . . . . . . . . . . . . . . 348
Malfunction Indicator Lamp . . . . . . . 128
Manual Mirrors . . . . . . . . . . . . . . . . . . . . . . 47
Manual Mode . . . . . . . . . . . . . . . . . . . . . . . 202
Memory Features . . . . . . . . . . . . . . . . . . . . 13
Memory Seats . . . . . . . . . . . . . . . . . . . . . . . . 62
Messages Engine Power . . . . . . . . . . . . . . . . . . . . . 143
Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143
Vehicle Speed . . . . . . . . . . . . . . . . . . . . . 144
Mirror Rear Camera . . . . . . . . . . . . . . . . . . . . . . . . 48
Mirrors Automatic Dimming . . . . . . . . . . . . . . . . 48
Automatic Dimming Rearview . . . . . 48
Convex . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Folding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Heated . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Tilt in Reverse . . . . . . . . . . . . . . . . . . . . . . 48 Mirrors, Interior Rearview . . . . . . . . . . . 48
Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 208
Driver Control . . . . . . . . . . . . . . . . . . . . . 208
Monitor System, Tire Pressure . . . . . 303
N
Navigation OnStar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 373
Net, Convenience . . . . . . . . . . . . . . . . . . . 108
New Vehicle Break-In . . . . . . . . . . . . . . . 191
O
Odometer . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122 Trip . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122
Off-Road Recovery . . . . . . . . . . . . . . . . . . . . . . . . . . . 179
Oil
Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 263
Engine Oil Life System . . . . . . . . . . . 265
Pressure Light . . . . . . . . . . . . . . . . . . . . . 134
Older Children, Restraints . . . . . . . . . . . 88
Online Owner Center . . . . . . . . . . . . . . . 360
OnStar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 370
OnStar Additional Information . . . . 377
OnStar Connections . . . . . . . . . . . . . . . . 374
OnStar Diagnostics . . . . . . . . . . . . . . . . . 376
OnStar Emergency . . . . . . . . . . . . . . . . . . 372
OnStar Navigation . . . . . . . . . . . . . . . . . . 373
OnStar Overview . . . . . . . . . . . . . . . . . . . . 371 OnStar Security . . . . . . . . . . . . . . . . . . . . . 373
Ordering
Service Publications . . . . . . . . . . . . . . 366
Outlets Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
Overheating, Engine . . . . . . . . . . . . . . . . 274
P
Park Shifting Into . . . . . . . . . . . . . . . . . . . . . . 197
Shifting Out of . . . . . . . . . . . . . . . . . . . . 198
Parking
Brake and P (Park)Mechanism Check . . . . . . . . . . . . . . . 280
Extended . . . . . . . . . . . . . . . . . . . . . . . . . . 199
Over Things That Burn . . . . . . . . . . . 199
Parking Assist . . . . . . . . . . . . . . . . . . . . . . . 226
Parking or Backing
Assistance Systems . . . . . . . . . . . . . . . 226
Passenger Airbag Status Indicator . . . . . . . . . . . . . . . . . . . . . . . . . . . 126
Passenger Compartment Air Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175
Passenger Sensing System . . . . . . . . . . 82
Perchlorate Materials Requirements, California . . . . . . . . . 254
Performance Data Recorder (PDR) . . . . . . . . . . . . . . . . . . . . 161