
Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
17180837) - 2024 - CRC - 2/28/23
332 Service and Maintenance
suitable service maintenance intervals for
your vehicle, please contact your
authorized GM Dealer.
Extreme service is for vehicles mainly
driven off-road in four-wheel drive or used
in farming, mining, forestry, or snow
plowing.
Additional Required Services—Severe
Service
Every 72 000 km (45,000 mi)
.Change automatic transmission fluid.
Every 120 000 km (75,000 mi)
.Change rear axle fluid, if equipped with
AWD. Do not directly power wash the
transfer case and/or front/rear axle
output seals. High pressure water can
overcome the seals and contaminate the
transfer case fluid. Contaminated fluid will
decrease the life of the transfer case and/
or axles and should be replaced.
Owner Checks and Services
Every Five Years
.Replace brake fluid every five years. See
Brake Fluid 0273. Every Seven Years
.Replace Air Conditioning Desiccant 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.
Multi-Point Vehicle
Inspection (MPVI)
A Multi Point Vehicle Inspection (MPVI)
completed by a GM dealer technician is a
maintenance assessment of your vehicle.
The benefit of the MPVI is to identify and
inform the customer of service items that
require immediate attention and those that
may require attention in the future.
The technician will perform the following
checks on your vehicle. For a complete list
of checks, inspections, and services, see your
dealer.
Some items may not apply to your vehicle
and/or region.
Diagnostics
.OnStar active, if equipped
.Service history/recall check
Engine Oil and Filter
.Engine oil
.Oil life monitor
‐
Reset oil life monitor
Exterior Lights
.Visual inspection
Windshield and Wipers
.Visual inspection
Battery
.Battery visual inspection
.Battery test results
.Battery cables and connections
Systems, Fluids, and Visible Leak
Inspection
.Engine oil
.Transmission
.Drive axle
.Transfer case
.Engine cooling system
.Power steering, if equipped
.Fuel system
.Windshield washer fluid

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
17180837) - 2024 - CRC - 2/28/23
360 Index
IndexA
About Driving the Vehicle . . . . . . . . . . . . . . . . . .2
Accessories and Modifications . . . . . . . . . . . 261
Accessory Power . . . . . . . . . . . . . . . . . . . . . . . . . 179
ActiveFuel Management . . . . . . . . . . . . . . . . . . . . . 180
Adaptive Cruise Control . . . . . . . . . . . . . . . . . . . . . 111, 196
Forward Lighting (AFL) . . . . . . . . . . . . . . . . . 125
Forward Lighting (AFL) Light . . . . . . . . . . . 110
Add-On Electrical Equipment . . . . . . . . . . . . . 259
Additional OnStar Information . . . . . . . . . . . . . . . . . . . . 354
Adjustments
Lumbar, Front Seats . . . . . . . . . . . . . . . . . . . . 38
Advanced Driver Assistance Systems . . . . . . . . . . . . . 223
Agreements Trademarks and License . . . . . . . . . . . . . . . 155
Air Cleaner/Filter, Engine . . . . . . . . . . . . . . . . . . 267
Conditioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157
Filter Life System . . . . . . . . . . . . . . . . . . . . . . 267
Filter, Passenger Compartment . . . . . . . . . 161
Vents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160
Airbag System . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53 Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
How Does an Airbag Restrain? . . . . . . . . . . 56 Airbag System (cont'd)
Passenger Sensing System . . . . . . . . . . . . . . 58
What Makes an Airbag Inflate? . . . . . . . . . 56
What Will You See after an Airbag
Inflates? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
When Should an Airbag Inflate? . . . . . . . . 55
Where Are the Airbags? . . . . . . . . . . . . . . . . 54
Airbags Adding Equipment to the Vehicle . . . . . . . 61
Passenger Status Indicator . . . . . . . . . . . . . 101
Readiness Light . . . . . . . . . . . . . . . . . . . . . . . . 101
Replacing System Parts after aCrash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Servicing Airbag-Equipped Vehicles . . . . . . 61
Alarm Vehicle Security . . . . . . . . . . . . . . . . . . . . . . . . 25
Alert Blind Zone Steering Assist (BZSA) . . . . . . 243
Lane Change (LCA) . . . . . . . . . . . . . . . . . . . . . 241
Rear Cross Traffic . . . . . . . . . . . . . . . . . . . . . . 232
Rear Pedestrian . . . . . . . . . . . . . . . . . . . . . . . . 231
Side Blind Zone (SBZA) . . . . . . . . . . . . . . . . . 240
All-Season Tires . . . . . . . . . . . . . . . . . . . . . . . . . . 287
All-Wheel Drive . . . . . . . . . . . . . . . . . . . . . .186, 275 Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
AM-FM Radio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135
Antenna
Multi-band . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
17180837) - 2024 - CRC - 2/28/23
Index 361
Antilock Brake System (ABS) . . . . . . . . . . . . . .187Warning Light . . . . . . . . . . . . . . . . . . . . . . . . . 105
Appearance Care Exterior . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 321
Interior . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 325
Apple CarPlay and Android Auto . . . . . . . . . 148
Assistance Program, Roadside . . . . . . . . . . . . 343
Assistance Systems Advanced . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 223
Automatic EmergencyBraking (AEB) . . . . . . . . . . . . . . . . . . . . . . . . 235
Automatic Parking Assist (APA) . . . . . . . . 228
Blind Zone Alert (SBZA) . . . . . . . . . . . . . . . . 240
Blind Zone Steering (BZSA) . . . . . . . . . . . . 243
Driving . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 233
Forward Collision Alert (FCA) System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 233
Front Pedestrian Braking (FPB) . . . . . . . . . 238
Lane Change Alert (LCA) . . . . . . . . . . . . . . . 241
Lane Keep Assist (LKA) . . . . . . . . . . . . . . . . . 245
Parking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 227
Parking and Backing . . . . . . . . . . . . . . . . . . . 224
Rear Cross Traffic Alert (RCTA) . . . . . . . . . 232
Rear Pedestrian Alert . . . . . . . . . . . . . . . . . . 231
Rear Vision Camera (RVC) . . . . . . . . . . . . . . 225
Reverse Automatic Braking (RAB) . . . . . . 230
Surround Vision System . . . . . . . . . . . . . . . 225
Traffic Sign . . . . . . . . . . . . . . . . . . . . . . . . . . . . 243 Audio
Bluetooth . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138
Auto Stop Indicator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110
Automatic Dimming Mirrors . . . . . . . . . . . . . . . . . . . . . . . 28
Door Locks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Emergency Braking (AEB) DisabledLight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106
Headlamp System . . . . . . . . . . . . . . . . . . . . . 125
Parking Assist (APA) . . . . . . . . . . . . . . . . . . . 228
Transmission . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181
Transmission Fluid . . . . . . . . . . . . . . . . . . . . . 266
Automatic Transmission Manual Mode . . . . . . . . . . . . . . . . . . . . . . . . . 185
Avoiding Untrusted Media Devices . . . . . . . .138
B
Battery
Exterior Lighting Battery Saver . . . . . . . . 129
Power Protection . . . . . . . . . . . . . . . . . . . . . . 129
Battery - North America . . . . . . . . . . . . . 274, 315
Blade Replacement, Wiper . . . . . . . . . . . . . . . 275
Bluetooth Audio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . 144, 145
Brake Fluid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 273 Brake (cont'd)
System Warning Light . . . . . . . . . . . . . . . . . 104
Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 272 Antilock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187
Brake Assist . . . . . . . . . . . . . . . . . . . . . . . . . . . 188
Electric Brake Boost . . . . . . . . . . . . . . . . . . . . 187
Electric Parking Brake . . . . . . . . . . . . . . . . . . 187
Braking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165 Automatic Emergency (AEB) . . . . . . . . . . . 235
Front Pedestrian (FPB) System . . . . . . . . . 238
Reverse Automatic . . . . . . . . . . . . . . . . . . . . . 230
Break-In, New Vehicle . . . . . . . . . . . . . . . . . . . . . 173
Buckle To Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Bulb Replacement . . . . . . . . . . . . . . . . . . . . . . . . 278
Back-up Lamps . . . . . . . . . . . . . . . . . . . . . . . . . 278
Front Turn Signal Lamps . . . . . . . . . . . . . . . 278
Headlamp Aiming . . . . . . . . . . . . . . . . . . . . . . 277
Buying New Tires . . . . . . . . . . . . . . . . . . . . . . . . 299
C
Calibration Compass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
California Perchlorate Materials Requirements . . . 261
California Proposition 65 Warning . . . . . 1, 315
Camera Rear Vision (RVC) . . . . . . . . . . . . . . . . . . . . . . 225
Canadian Vehicle Owners . . . . . . . . . . . . . . . . . . .2

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
17180837) - 2024 - CRC - 2/28/23
Index 369
Seat Belts (cont'd)Lap-Shoulder Belt . . . . . . . . . . . . . . . . . . . . . . . 49
Reminders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
Replacing after a Crash . . . . . . . . . . . . . . . . . 52
Use During Pregnancy . . . . . . . . . . . . . . . . . . . 51
Seats Head Restraints . . . . . . . . . . . . . . . . . . . . . . . . . 35
Heated and Ventilated, Front . . . . . . . . . . . 42
Heated, Rear . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Lumbar Adjustment, Front . . . . . . . . . . . . . . 38
Massage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Power Adjustment, Front . . . . . . . . . . . . . . . 37
Rear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Reclining Seatbacks . . . . . . . . . . . . . . . . . . . . . 38
Securing Child Restraints . . . . . . . . . . . . . . .76, 78
Security
Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110
OnStar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 353
Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Vehicle Alarm . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161 Accessories and Modifications . . . . . . . . . 261
Doing Your Own Work . . . . . . . . . . . . . . . . . 261
Electric Parking Brake Light . . . . . . . . . . . . 104
Maintenance Records . . . . . . . . . . . . . . . . . . 336
Maintenance, General Information . . . . . 329
Parts Identification . . . . . . . . . . . . . . . . . . . . . 337 Service (cont'd)
Scheduling Appointments . . . . . . . . . . . . . . 345
Services Special Application . . . . . . . . . . . . . . . . . . . . . 333
Servicing the Airbag . . . . . . . . . . . . . . . . . . . . . . .61
Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150
Shifting Into Park . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179
Out of Park . . . . . . . . . . . . . . . . . . . . . . . . . . . . 180
Signals, Turn and Lane-Change . . . . . . . . . . . . 127
Software Updates . . . . . . . . . . . . . . . . . . . . . . . . . 135
Spare Tire Compact . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 315
Special Application Services . . . . . . . . . . . . . . 333
Specifications and Capacities . . . . . . . . . . . . . 338
Speed Limiter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 194
Limiter Indicator . . . . . . . . . . . . . . . . . . . . . . . . 97
Speedometer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
Start Assist, Hill . . . . . . . . . . . . . . . . . . . . . . . . . . 189
Start Vehicle, Remote . . . . . . . . . . . . . . . . . . . . . .14
Starting the Engine . . . . . . . . . . . . . . . . . . . . . . . 175
Status Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
Steering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165 Heated Wheel . . . . . . . . . . . . . . . . . . . . . . . . . . 87
Wheel Adjustment . . . . . . . . . . . . . . . . . . . . . . 87
Wheel Controls . . . . . . . . . . . . . . . . . . . . . . . . 132 Stop/Start System . . . . . . . . . . . . . . . . . . . . . . . 176
Storage
Center Console . . . . . . . . . . . . . . . . . . . . . . . . . 83
Compartments . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Cupholders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Front . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
Glove Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Rear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
Roof Rack System . . . . . . . . . . . . . . . . . . . . . . . 85
Sunglasses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
Umbrella . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
Storage Areas Cargo Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
Storing the Tire Sealant and Compressor Kit . . . . . . . . . . . . . . . . . . . . . . . . . 310
Struts
Gas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 277
Stuck Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169
Summer Tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . 288
Sun Visors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33
Sunglass Storage . . . . . . . . . . . . . . . . . . . . . . . . . 82
Sunroof . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33
Super Cruise . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206 Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
Surround
Vision System . . . . . . . . . . . . . . . . . . . . . . . . . 225
Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 Navigation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140