
Cadillac XTS Owner Manual (GMNA-Localizing-U.S./Canada-11354412) -
2018 - crc - 11/16/17
VEHICLE CARE 261
The vehicle may not be equipped with
all of the fuses, relays, and features
shown.Fuses Usage
1 Transmission control module
2 Engine control module
3 A/C clutch Fuses Usage
4 –
5 Engine control module/Ignition
6 Front wiper
7 –
8 Ignition coils –even
9 Ignition coils –odd Fuses Usage
10 Engine control module
11 Mass air flow sensor/ Post catalytic
converter O2 sensors
12 Starter
13 Transmission control module/Chassis
control module
ignition
14 Rear heated seat passenger side
15 Rear heated side driver side
16 –
17 Sunshade/Vented seats
18 Autonet
19 –
20 –
21 Rear power windows
22 Sunroof

Cadillac XTS Owner Manual (GMNA-Localizing-U.S./Canada-11354412) -
2018 - crc - 11/16/17
318 SERVICE AND MAINTENANCE
.Check tire inflation pressures. See
Tire Pressure 0274.
. Inspect tire wear. See Tire
Inspection 0280.
. Visually check for fluid leaks.
. Inspect engine air cleaner filter.
See Engine Air Cleaner/Filter 0243.
. Inspect brake system. See Exterior
Care 0307.
. Visually inspect steering,
suspension, and chassis
components for damaged, loose,
or missing parts or signs of wear.
See Exterior Care 0307.
. Check restraint system
components. See Safety System
Check 073.
. 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 0307.
. Check starter switch. See Starter
Switch Check 0254. .
Check automatic transmission
shift lock control function. See
Automatic Transmission Shift Lock
Control Function Check 0255.
. Check parking brake and
automatic transmission park
mechanism. See Park Brake and
P (Park) Mechanism Check 0255.
. 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. If the hold open ability is
low, service the gas strut. See Gas
Strut(s) 0256.
. Check tire sealant expiration date,
if equipped. See Tire Sealant and
Compressor Kit 0288.
. Inspect sunroof track and seal,
if equipped. See Sunroof050.

Cadillac XTS Owner Manual (GMNA-Localizing-U.S./Canada-11354412) -
2018 - crc - 11/16/17
INDEX 365
Perchlorate MaterialsRequirements, California . . . . . . . . . 234
Personalization Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143
Power Door Locks . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Mirrors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Outlets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
Protection, Battery . . . . . . . . . . . . . . . . 158
Retained Accessory (RAP) . . . . . . . . 185
Seat Adjustment . . . . . . . . . . . . . . . . . . . . 56
Steering Fluid . . . . . . . . . . . . . . . . . . . . . 250
Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Pregnancy, Using Seat Belts . . . . . . . . . 73
Premium Care Maintenance Cadillac . . . . . . . . . . . . . . . . . . . . . . . . . . . . 317
Privacy Vehicle Data Recording . . . . . . . . . . 345
Program Courtesy Transportation . . . . . . . . . 340
Proposition
65 Warning,
California . . . . . . . . . . . . . . .233, 254, 301, Back Cover
R
Radio Frequency Statement . . . . . . . . 344
Reading Lamps . . . . . . . . . . . . . . . . . . . . . 157 Rear Axle
Limited-Slip . . . . . . . . . . . . . . . . . . . . . . . 195
Rear Climate Control System . . . . . . 165
Rear Seat Armrest . . . . . . . . . . . . . . . . . . . 67
Rear Seat Pass-Through Door . . . . . . . 68
Rear Seats . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65 Heated . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Rear Vision Camera (RVC) . . . . . . . . . 207
Rear Window Sunshade . . . . . . . . . . . . . 49
Rearview Mirrors Automatic Dimming . . . . . . . . . . . . . . . . 46
Reclining Seatbacks . . . . . . . . . . . . . . . . . 59
Recommended Fluids and Lubricants . . . . . . . . . . . . . . . . . . . . . . . . . 326
Records Maintenance . . . . . . . . . . . . . . . . . . . . . . 329
Recreational Vehicle Towing . . . . . . . 304
Reimbursement Program, GM Mobility . . . . . . . . . . . . . . . . . . . . . . . . . . . . 337
Remote Keyless Entry (RKE) System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Remote Vehicle Start . . . . . . . . . . . . . . . . 34
Replacement Parts Airbags . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
Maintenance . . . . . . . . . . . . . . . . . . . . . . 327
Replacing Airbag System . . . . . . . . . . . . 87
Replacing LATCH System Parts after a Crash . . . . . . . . . . . . . . . . . . . . . . . 100 Replacing Seat Belt System
Parts after a Crash . . . . . . . . . . . . . . . . . 74
Reporting Safety Defects Canadian Government . . . . . . . . . . . . 344
General Motors . . . . . . . . . . . . . . . . . . . 345
U.S. Government . . . . . . . . . . . . . . . . . . 344
Restraints
Where to Put . . . . . . . . . . . . . . . . . . . . . . . . 93
Retained Accessory Power (RAP) . . . . . . . . . . . . . . . . . . . . . . . 185
Reverse Tilt Mirrors . . . . . . . . . . . . . . . . . 46
Ride Control Systems
Limited Slip Rear Axle . . . . . . . . . . . 195
Magnetic . . . . . . . . . . . . . . . . . . . . . . . . . . 195
Roads Driving, Wet . . . . . . . . . . . . . . . . . . . . . . . 173
Roadside Service . . . . . . . . . . . . . . . . . . . . 338
Roof Sunroof . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Rotation, Tires . . . . . . . . . . . . . . . . . . . . . . 280
Routing, Engine Drive Belt . . . . . . . . . 333
Running the Vehicle While Parked . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 188
S
Safety Defects ReportingCanadian Government . . . . . . . . . . . . 344
General Motors . . . . . . . . . . . . . . . . . . . 345

Cadillac XTS Owner Manual (GMNA-Localizing-U.S./Canada-11354412) -
2018 - crc - 11/16/17
INDEX 367
Stuck Vehicle . . . . . . . . . . . . . . . . . . . . . . . 176
Summer Tires . . . . . . . . . . . . . . . . . . . . . . . 269
Sun Visors . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Sunroof . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
SunshadeRear Window . . . . . . . . . . . . . . . . . . . . . . . . 49
Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
System
Forward Collision Alert (FCA) . . . . 213
Infotainment . . . . . . . . . . . . . . . . . 159, 346
Systems
Driver Assistance . . . . . . . . . . . . . . . . . 206
T
Tachometer . . . . . . . . . . . . . . . . . . . . . . . . . 122
Text Telephone (TTY) Users . . . . . . . 336
Theft-Deterrent Systems . . . . . . . . . . . . 43Immobilizer . . . . . . . . . . . . . . . . . . . . . . . . . 43
Thigh Support Adjustment . . . . . . . . . . 58
Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
Tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 267 All-Season . . . . . . . . . . . . . . . . . . . . . . . . . 268
Buying New Tires . . . . . . . . . . . . . . . . . 282
Chains . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 286
Changing . . . . . . . . . . . . . . . . . . . . . . . . . . 295
Compact Spare . . . . . . . . . . . . . . . . . . . . 299
Designations . . . . . . . . . . . . . . . . . . . . . . 271
Different Size . . . . . . . . . . . . . . . . . . . . . . 283 Tires (cont'd)
Full-Size Spare . . . . . . . . . . . . . . . . . . . . 300
If a Tire Goes Flat . . . . . . . . . . . . . . . . 286
Inspection . . . . . . . . . . . . . . . . . . . . . . . . . 280
Low Profile . . . . . . . . . . . . . . . . . . . . . . . . 268
Pressure . . . . . . . . . . . . . . . . . . . . . . 274, 276
Pressure Light . . . . . . . . . . . . . . . . . . . . . 133
Pressure Monitor Operation . . . . . . 277
Pressure Monitor System . . . . . . . . 276
Rotation . . . . . . . . . . . . . . . . . . . . . . . . . . . 280
Sealant and Compressor Kit . . . . . 288
Sealant and Compressor Kit,
Storing . . . . . . . . . . . . . . . . . . . . . . . . . . . 295
Sidewall Labeling . . . . . . . . . . . . . . . . . 269
Terminology and Definitions . . . . 272
Uniform Tire Quality Grading . . . . 284
Wheel Alignment and Tire Balance . . . . . . . . . . . . . . . . . . . . . . . . . . 285
Wheel Replacement . . . . . . . . . . . . . . 285
When It Is Time for New Tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 281
Winter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 268
Towing
Driving Characteristics . . . . . . . . . . . 226
Equipment . . . . . . . . . . . . . . . . . . . . . . . . 229
General Information . . . . . . . . . . . . . . 226
Recreational Vehicle . . . . . . . . . . . . . . 304
Trailer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 228 Towing (cont'd)
Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 304
Traction Control System (TCS)/
StabiliTrak Light . . . . . . . . . . . . . . . . 133
Limited-Slip Rear Axle . . . . . . . . . . . 195
Off Light . . . . . . . . . . . . . . . . . . . . . . . . . . . 132
Traction Control/Electronic Stability Control . . . . . . . . . . . . . . . . . . . 193
Trailer Towing . . . . . . . . . . . . . . . . . . . . . . . . . . . . 228
Transmission Automatic . . . . . . . . . . . . . . . . . . . . . . . . . 188
Fluid, Automatic . . . . . . . . . . . . . . . . . . 243
Transportation Program, Courtesy . . . . . . . . . . . . . . . . . . . . . . . . . . . 340
Trip Odometer . . . . . . . . . . . . . . . . . . . . . . 122
Trunk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Turn and Lane-Change Signals . . . . 155
U
Uniform Tire Quality Grading . . . . . . 284
Universal Remote System . . . . . . . . . . 148 Operation . . . . . . . . . . . . . . . . . . . . . . . . . . 150
Programming . . . . . . . . . . . . . . . . . . . . . . 148
Using This Manual . . . . . . . . . . . . . . . . . . . . 2