Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
12017481) - 2019 - CRC - 11/5/18
326 SERVICE AND MAINTENANCE
Maintenance Schedule
Owner Checks and Services
At Each Fuel Stop
.Check the engine oil level. See
Engine Oil 0257.
Once a Month
. Check the tire inflation pressures.
See Tire Pressure 0288.
. Inspect the tires for wear. See Tire
Inspection 0295.
. Check the windshield washer fluid
level. See Washer Fluid 0266.
Engine Oil Change
When the CHANGE ENGINE OIL
SOON message displays, have the
engine oil and filter changed within
the next 1 000 km/600 mi. If driven
under the best conditions, the engine
oil life system may not indicate the
need for vehicle service for up to a
year. The engine oil and filter must be
changed at least once a 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
0259.
Air Conditioning Desiccant
(Replace Every Seven Years)
The air conditioning system requires
maintenance every seven years. This
service requires replacement of the
desiccant to help the longevity and
efficient operation of the air
conditioning system. This service can
be complex. See your dealer.
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 Rotation0295.
. Check engine oil level and oil
life percentage. If needed, change
engine oil and filter, and reset oil
life system. See Engine Oil0257
and Engine Oil Life System 0259. .
Check engine coolant level. See
Cooling System 0262.
. Check windshield washer fluid
level. See Washer Fluid 0266.
. Check tire inflation pressures. See
Tire Pressure 0288.
. Inspect tire wear. See Tire
Inspection 0295.
. Visually check for fluid leaks.
. Inspect engine air cleaner filter.
See Engine Air Cleaner/Filter 0261.
. Inspect brake system. See Exterior
Care 0315.
. Visually inspect steering,
suspension, and chassis
components for damage, including
cracks or tears in the rubber boots,
loose or missing parts, or signs of
wear at least once a year. See
Exterior Care 0315.
. Inspect power steering for proper
attachment, connections, binding,
leaks, cracks, chafing, etc.
Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
12017481) - 2019 - CRC - 11/5/18
SERVICE AND MAINTENANCE 333
Shocks and Struts
Shocks and struts help aid in control
for a smoother ride.
.Signs of wear may include steering
wheel vibration, bounce/sway
while braking, longer stopping
distance, or uneven tire wear.
. As part of the multi-point
inspection, trained dealer
technicians can visually inspect
the shocks and struts for signs of
leaking, blown seals, or damage,
and can advise when service is
needed.
Tires
Tires need to be properly inflated,
rotated, and balanced. Maintaining
the tires can save money and fuel, and
can reduce the risk of tire failure.
. Signs that the tires need to be
replaced include three or more
visible treadwear indicators; cord
or fabric showing through the
rubber; cracks or cuts in the tread
or sidewall; or a bulge or split in
the tire. .
Trained dealer technicians can
inspect and recommend the right
tires. Your dealer can also provide
tire/wheel balancing services to
ensure smooth vehicle operation
at all speeds. Your dealer sells and
services name brand tires.
Vehicle Care
To help keep the vehicle looking like
new, vehicle care products are
available from your dealer. For
information on how to clean and
protect the vehicle’s interior and
exterior, see Interior Care 0319 and
Exterior Care 0315.
Wheel Alignment
Wheel alignment is critical for
ensuring that the tires deliver optimal
wear and performance.
. Signs that the alignment may need
to be adjusted include pulling,
improper vehicle handling,
or unusual tire wear.
. Your dealer has the required
equipment to ensure proper wheel
alignment. Windshield
For safety, appearance, and the best
viewing, keep the windshield clean
and clear.
.
Signs of damage include scratches,
cracks, and chips.
. Trained dealer technicians can
inspect the windshield and
recommend proper replacement if
needed.
Wiper Blades
Wiper blades need to be cleaned and
kept in good condition to provide a
clear view.
. Signs of wear include streaking,
skipping across the windshield,
and worn or split rubber.
. Trained dealer technicians can
check the wiper blades and replace
them when needed.
Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
12017481) - 2019 - CRC - 11/5/18
CUSTOMER INFORMATION 345
.Lock-Out Service: Service to
unlock the vehicle if you are
locked out. A remote unlock may
be available if you have OnStar.
For security reasons, the driver
must present identification before
this service is given.
. Emergency Tow from a Public
Road or Highway: Tow to the
nearest Cadillac dealer for
warranty service, or if the vehicle
was in a crash and cannot be
driven. Assistance is not given
when the vehicle is stuck in the
sand, mud, or snow.
. Flat Tire Change: Service to
change a flat tire with a spare tire.
The spare tire, if equipped, must
be in good condition and properly
inflated. It is your responsibility
for the repair or replacement of
the tire if it is not covered by the
warranty.
. Battery Jump Start: Service to
jump start a dead battery. .
Trip Interruption Benefits and
Service: If your trip is interrupted
due to a warranty failure,
incidental expenses may be
reimbursed during the Powertrain
warranty period. Items considered
are hotel, meals, and rental car or
a vehicle being delivered back to
the customer, up to 500 miles.
Cadillac Technician Roadside
Service (U.S. Only)
Cadillac's exceptional Roadside Service
is more than an auto club or towing
service. It provides every Cadillac
owner in the United States with the
advantage of contacting a Cadillac
advisor and, where available, a
Cadillac trained dealer technician who
can provide on-site service.
A dealer technician will travel to your
location within a 30-mile radius of a
participating Cadillac dealership.
If beyond this radius, we will arrange
to have your car towed to the nearest
Cadillac dealership. Each technician
travels with a specially equipped
service vehicle complete with the necessary Cadillac parts and tools
required to handle most roadside
repairs.
Services Not Included in
Roadside Service
.
Impound towing caused by
violation of any laws
. Legal fines
. Mounting, dismounting,
or changing of snow tires, chains,
or other traction devices
Service is not provided if a vehicle is
in an area that is not accessible to the
service vehicle or is not a regularly
traveled or maintained public road,
which includes ice and winter roads.
Off-road use is not covered.
Services Specific to
Canadian-Purchased Vehicles
. Fuel delivery: Reimbursement is
up to 7 liters. Diesel fuel delivery
may be restricted. Propane and
other fuels are not provided
through this service.
. Lock-Out Service: Vehicle
registration is required.
Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
12017481) - 2019 - CRC - 11/5/18
ONSTAR 355
Press=to:
. Open the OnStar app on the
infotainment display. See the
infotainment manual for
information on how to use the
OnStar app.
Or
. Make a call, end a call, or answer
an incoming call.
. Give OnStar Hands-Free Calling
voice commands.
. Give OnStar Turn-by-Turn
Navigation voice commands.
. Obtain and customize the Wi-Fi
hotspot name or SSID and
password, if equipped.
Press
Qto connect to an Advisor to:
. Verify account information or
update contact information. .
Get driving directions.
. Receive a Diagnostic check of the
vehicle's key operating systems.
. Receive Roadside Assistance.
. Manage Wi-Fi Settings,
if equipped.
Press
>to get a priority connection
to an OnStar Advisor available 24/7 to:
. Get help for an emergency.
. Be a Good Samaritan or respond
to an AMBER Alert.
. Get assistance in severe weather
or other crisis situations and find
evacuation routes.
OnStar Services
Emergency
Emergency Services require an active
safety and security plan. With
Automatic Crash Response, built-in
sensors can automatically alert a
specially trained OnStar Advisor who
is immediately connected in to the
vehicle to help.
Press
>for a priority connection to
an OnStar Advisor who can contact
emergency service providers, direct
them to your exact location, and relay
important information.
With OnStar Crisis Assist, specially
trained Advisors are available
24 hours a day, 7 days a week, to
provide a central point of contact,
assistance, and information during a
crisis.
With Roadside Assistance, Advisors
can locate a nearby service provider to
help with a flat tire, a battery jump,
or an empty gas tank.
Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
12017481) - 2019 - CRC - 11/5/18
366 INDEX
IndexA
About Driving the Vehicle . . . . . . . . . . . . . 3
Accessories and Modifications . . . . . 254
Accessory Power . . . . . . . . . . . . . . . . . . . . 189
Active Fuel Management . . . . . . . . . . . 192
Adaptive Cruise Control . . . . . . . . . . . . 209
Add-On Electrical Equipment . . . . . . 250
Additional InformationOnStar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 356
Additional Maintenance
and Care . . . . . . . . . . . . . . . . . . . . . . . . . . . 331
Adjustments Lumbar, Front Seats . . . . . . . . . . . . . . . . 64
Air Cleaner/Filter, Engine . . . . . . . . . . 261
Air Conditioning . . . . . . . . . . . . . . . . . . . . 166
Air Filter
Life System . . . . . . . . . . . . . . . . . . . . . . . . 260
Air Filter, Passenger Compartment . . . . . . . . . . . . . . . . . . . . . 171
Air Vents . . . . . . . . . . . . . . . . . . . . . . . . . . . . 170
Airbag System Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
How Does an Airbag Restrain? . . . . . 85
Passenger Sensing System . . . . . . . . . 87
What Makes an Airbag Inflate? . . . . 85
What Will You See after anAirbag Inflates? . . . . . . . . . . . . . . . . . . . 85 Airbag System (cont'd)
When Should an Airbag
Inflate? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
Where Are the Airbags? . . . . . . . . . . . . 82
Airbags Adding Equipment to theVehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
Passenger Status Indicator . . . . . . . 132
Readiness Light . . . . . . . . . . . . . . . . . . . 131
Servicing Airbag-Equipped Vehicles . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
System Check . . . . . . . . . . . . . . . . . . . . . . . 81
Alarm Vehicle Security . . . . . . . . . . . . . . . . . . . . . 50
Alert Lane Change . . . . . . . . . . . . . . . . . . . . . . 232
Side Blind Zone (SBZA) . . . . . . . . . . 232
All-Season Tires . . . . . . . . . . . . . . . . . . . . . 282
All-Wheel Drive . . . . . . . . . . . . . . . .200, 270
Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137
Antilock Brake System (ABS) . . . . . . 200 Warning Light . . . . . . . . . . . . . . . . . . . . 136
Appearance Care
Exterior . . . . . . . . . . . . . . . . . . . . . . . . . . . . 315
Interior . . . . . . . . . . . . . . . . . . . . . . . . . . . . 319
Armrest Storage . . . . . . . . . . . . . . . . . . . . . 112
Ashtrays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125
Assistance Systems for Driving . . . . 226
Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
12017481) - 2019 - CRC - 11/5/18
INDEX 369
Driving the Vehicle . . . . . . . . . . . . . . . . . . . . 3
Dual Automatic ClimateControl System . . . . . . . . . . . . . . . . . . . . 166
E
Electric Parking Brake . . . . . . . . . . . . . . 201
Electric Parking Brake Light . . . . . . . 136
Electrical Equipment, Add-On . . . . . 250
Electrical SystemEngine Compartment FuseBlock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 276
Fuses and Circuit Breakers . . . . . . . 275
Instrument Panel Fuse Block . . . . 279
Overload . . . . . . . . . . . . . . . . . . . . . . . . . . . 275
Emergency OnStar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 355
Engine
Air Cleaner/Filter . . . . . . . . . . . . . . . . . 261
Check Light (MalfunctionIndicator) . . . . . . . . . . . . . . . . . . . . . . . . 133
Compartment Overview . . . . . . . . . . 256
Coolant Temperature Gauge . . . . . 130
Coolant Temperature
Warning Light . . . . . . . . . . . . . . . . . . . 139
Cooling System . . . . . . . . . . . . . . . . . . . 262
Drive Belt Routing . . . . . . . . . . . . . . . . 339
Exhaust . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193
Heater . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 188 Engine (cont'd)
Oil Life System . . . . . . . . . . . . . . . . . . . . 259
Oil Pressure Light . . . . . . . . . . . . . . . . . 140
Overheating . . . . . . . . . . . . . . . . . . . . . . . 265
Power Messages . . . . . . . . . . . . . . . . . . 148
Running While Parked . . . . . . . . . . . 194
Starting . . . . . . . . . . . . . . . . . . . . . . . . . . . . 186
Engine Air Filter Life System . . . . . . 260
Entry Lighting . . . . . . . . . . . . . . . . . . . . . . 163
Equipment, Towing . . . . . . . . . . . . . . . . . 247
Event Data Recorders . . . . . . . . . . . . . . 352
Exit Lighting . . . . . . . . . . . . . . . . . . . . . . . . 164
Extended Parking . . . . . . . . . . . . . . . . . . . 192
Extender, Seat Belt . . . . . . . . . . . . . . . . . . 79
Exterior Lamp Controls . . . . . . . . . . . . 158
Exterior Lamps Off Reminder . . . . . . 160
Exterior Lighting Battery Saver . . . . 164
F
Features Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Filter, Engine Air Cleaner . . . . . . . . . . . . . . . . 261
Flash-to-Pass . . . . . . . . . . . . . . . . . . . . . . . . 160
Flashers, Hazard Warning . . . . . . . . . . 161
Flat Tire . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 302
Changing . . . . . . . . . . . . . . . . . . . . . . . . . . 303
Floor Mats . . . . . . . . . . . . . . . . . . . . . . . . . . . 322 Fluid
Automatic Transmission . . . . . . . . . 260
Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 268
Washer . . . . . . . . . . . . . . . . . . . . . . . . . . . . 266
Folding Mirrors . . . . . . . . . . . . . . . . . . . . . . 53
Forward Automatic Braking . . . . . . . . 228
Forward Collision Alert (FCA) System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 226
Frequency Statement Radio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 350
Front Pedestrian Braking (FPB)
System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 230
Front Seats Heated and Ventilated . . . . . . . . . . . . . 69
Front Storage . . . . . . . . . . . . . . . . . . . . . . . 111
Front Turn Signal Lamps . . . . . . . . . . 273
Fuel Additives . . . . . . . . . . . . . . . . . . . . . . . . . . 237
Economy Driving . . . . . . . . . . . . . . . . . . . 26
Filling a Portable FuelContainer . . . . . . . . . . . . . . . . . . . . . . . . 239
Filling the Tank . . . . . . . . . . . . . . . . . . . 238
Foreign Countries . . . . . . . . . . . . . . . . . 237
Gauge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129
Low Fuel Warning Light . . . . . . . . . 140
Management, Active . . . . . . . . . . . . . . 192
Prohibited Fuels . . . . . . . . . . . . . . . . . . 237
Recommended . . . . . . . . . . . . . . . . . . . . 237
Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
12017481) - 2019 - CRC - 11/5/18
INDEX 375
Theft-Deterrent Systems (cont'd)Immobilizer . . . . . . . . . . . . . . . . . . . . . . . . . 51
Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121
Tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 281 All-Season . . . . . . . . . . . . . . . . . . . . . . . . . 282
Buying New Tires . . . . . . . . . . . . . . . . . 297
Chains . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 301
Changing . . . . . . . . . . . . . . . . . . . . . . . . . . 303
Compact Spare . . . . . . . . . . . . . . . . . . . . 308
Designations . . . . . . . . . . . . . . . . . . . . . . 285
Different Size . . . . . . . . . . . . . . . . . . . . . . 298
If a Tire Goes Flat . . . . . . . . . . . . . . . . 302
Inspection . . . . . . . . . . . . . . . . . . . . . . . . . 295
Pressure . . . . . . . . . . . . . . . . . . . . . . 288, 290
Pressure Light . . . . . . . . . . . . . . . . . . . . . 139
Pressure Monitor Operation . . . . . . 291
Pressure Monitor System . . . . . . . . 290
Rotation . . . . . . . . . . . . . . . . . . . . . . . . . . . 295
Sidewall Labeling . . . . . . . . . . . . . . . . . 283
Terminology and Definitions . . . . 286
Uniform Tire Quality Grading . . . . 299
Wheel Alignment and TireBalance . . . . . . . . . . . . . . . . . . . . . . . . . . 300
Wheel Replacement . . . . . . . . . . . . . . 300
When It Is Time for New Tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 296
Winter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 282 Top Tier Fuel . . . . . . . . . . . . . . . . . . . . . . . . 236
Towing
Driving Characteristics . . . . . . . . . . . 240
Equipment . . . . . . . . . . . . . . . . . . . . . . . . 247
General Information . . . . . . . . . . . . . . 240
Recreational Vehicle . . . . . . . . . . . . . . 312
Trailer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 244
Trailer Sway Control (TSC) . . . . . . . 249
Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 312
Traction Control System
(TCS)/StabiliTrak Light . . . . . . . . . 138
Off Light . . . . . . . . . . . . . . . . . . . . . . . . . . . 138
Traction Control/Electronic Stability Control . . . . . . . . . . . . . . . . . . . 203
Trailer
Sway Control (TSC) . . . . . . . . . . . . . . . 249
Towing . . . . . . . . . . . . . . . . . . . . . . . . . . . . 244
Transmission Automatic . . . . . . . . . . . . . . . . . . . . . . . . . 194
Fluid, Automatic . . . . . . . . . . . . . . . . . . 260
Transportation Program, Courtesy . . . . . . . . . . . . . . . . . . . . . . . . . . . 346
Trip Odometer . . . . . . . . . . . . . . . . . . . . . . 129
Turn and Lane-Change Signals . . . . 161U
Umbrella Storage . . . . . . . . . . . . . . . . . . . 113
Uniform Tire Quality Grading . . . . . . 299
Universal Remote System . . . . . . . . . . 154 Operation . . . . . . . . . . . . . . . . . . . . . . . . . . 156
Programming . . . . . . . . . . . . . . . . . . . . . . 154
Using This Manual . . . . . . . . . . . . . . . . . . . . 2
V
Vehicle Alarm System . . . . . . . . . . . . . . . . . . . . . . . 50
Canadian Owners . . . . . . . . . . . . . . . . . . . . 2
Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175
Design . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173
Identification Number (VIN) . . . . . 337
Load Limits . . . . . . . . . . . . . . . . . . . . . . . 180
Messages . . . . . . . . . . . . . . . . . . . . . . . . . . 148
Personalization . . . . . . . . . . . . . . . . . . . 149
Remote Start . . . . . . . . . . . . . . . . . . . . . . . . 36
Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Speed Messages . . . . . . . . . . . . . . . . . . . 149
Towing . . . . . . . . . . . . . . . . . . . . . . . . . . . . 312
Vehicle Ahead Indicator . . . . . . . . . . . . 137
Vehicle Care Tire Pressure . . . . . . . . . . . . . . . . . . . . . . 288
Vehicle Data Recording and Privacy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 352