2022 CADILLAC XT6 automatic transmission

Cadillac XT6 Owner Manual (GMNA-Localizing-U.S./Canada-15218998) -
2022 - CRC - 10/22/21
SERVICE AND MAINTENANCE 397
.Visually inspect the fuel system,
including the evaporative (EVAP)
system, for damage or leaks.
Visually check all fuel pipes, vapor
lines, and hoses for proper
attachment, connection, routing,
and condition.
.Visually inspect exhaust system and
nearby heat shields for loose or
damaged parts.
.Lubricate body components. See
Exterior Care0384.
.Check parking brake and automatic
transmission park mechanism. See
Park Brake and P (Park) Mechanism
Check 0338.
.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) 0340.
.Inspect sunroof track and seal,
if equipped. See Sunroof036.

Cadillac XT6 Owner Manual (GMNA-Localizing-U.S./Canada-15218998) -
2022 - CRC - 10/22/21
400 SERVICE AND MAINTENANCE
Maintenance Schedule
Additional Required Services -
Severe12 000 km/7,500 mi
24 000 km/15,000 mi
36 000 km/22,500 mi
48 000 km/30,000 mi
60 000 km/37,500 mi
72 000 km/45,000 mi
84 000 km/52,500 mi
96 000 km/60,000 mi
108 000 km/67,500 mi
120 000 km/75,000 mi
132 000 km/82,500 mi
144 000 km/90,000 mi
156 000 km/97,500 mi
168 000 km/105,000 mi
180 000 km/112,500 mi
192 000 km/120,000 mi
204 000 km/127,500 mi
216 000 km/135,000 mi
228 000 km/142,500 mi
240 000 km/150,000 mi
Rotate tires and perform Required Services. Check
engine oil level and oil life percentage. Change
engine oil and filter, if needed.
Check engine air filter life percentage and status.
Change engine air filter, if needed.
@ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @
Replace passenger compartment air filter. (1)@ @@@@@
Change automatic transmission fluid.@ @@
Replace spark plugs. Inspect spark plug wires and/or
boots. 2.0L Engine@ @
Replace spark plugs. Inspect spark plug wires and/or
boots. 3.6L Engine@
Change rear axle fluid, if equipped with AWD. (2)@ @
Drain and fill engine cooling system. (3)@
Visually inspect accessory drive belts. (4)@
Replace brake fluid. (5)
Replace front and rear wiper blades. (6)
@ @ @ @ @ @ @ @ @ @
Replace hood and/or body lift support gas struts. (7)@@
Replace air conditioning desiccant. (8)

Cadillac XT6 Owner Manual (GMNA-Localizing-U.S./Canada-15218998) -
2022 - CRC - 10/22/21
404 SERVICE AND MAINTENANCE
Recommended Fluids, Lubricants, and Parts
Recommended Fluids and Lubricants
Fluids and lubricants identified below by name or specification, including fluids or lubricants not listed here, can be
obtained from your dealer.Usage Fluid/Lubricant
Automatic Transmission DEXRON-VI Automatic Transmission Fluid. Chassis Lubrication Lubricant meeting requirements of NLGI #2, Category LB or GC-LB. See your dealer.
Engine Coolant 50/50 mixture of clean, drinkable water and use only DEX-COOL Coolant. See Cooling System0330.
Engine Oil Engine oil meeting the dexos1 specification of the proper SAE viscosity grade. ACDelco dexos1 full synthetic is recommended. See Engine Oil0325.
Fuel Additive Fuel System Treatment PLUS or equivalent.
Hood and Door Hinges, Key Lock Cylinders Multi-Purpose Lubricant. See your dealer.
Hydraulic Brake System DOT 4 Hydraulic Brake Fluid.
Power Liftgate Actuator Ball Joint, Hood Latch Assembly, Secondary Latch,
Pivots, Spring Anchor, and Release Pawl Lubricant meeting requirements of NLGI #2, Category LB or GC-LB. See your
dealer.
Rear Axle (If equipped with AWD) See your dealer. Weatherstrip Conditioning Weatherstrip Lubricant. See your dealer.

Cadillac XT6 Owner Manual (GMNA-Localizing-U.S./Canada-15218998) -
2022 - CRC - 10/22/21
410 TECHNICAL DATA
ApplicationCapacities
Metric English
I3.6L V6 Engine 5.7 L
6.0 qt
Fuel Tank IFront-Wheel Drive 73.4 L
19.4 gal
IAll-Wheel Drive 82.1 L
21.7 gal
Wheel Nut Torque 190Y 140 lb ft
All capacities are approximate. When adding, be sure to fill to the approximate level, as recommended in this manual.
Recheck fluid level after filling.
*Engine cooling system capacity values are based on the entire cooling system and its components.
Engine Specifications
Engine VIN CodeTransmission Spark Plug Gap
2.0L L4 Engine (LSY) 4Automatic0.65–0.75 mm (0.026–0.030 in)
3.6L V6 Engine (LGX) SAutomatic0.80–0.90 mm (0.031–0.035 in)
Spark plug gaps are preset by the manufacturer. Re-gapping the spark plug is not recommended and can damage the
spark plug.

Cadillac XT6 Owner Manual (GMNA-Localizing-U.S./Canada-15218998) -
2022 - CRC - 10/22/21
INDEX 435
AntennaMulti-band . . . . . . . . . . . . . . . . . . . . . . . . 156
Antilock Brake System (ABS) . . . . . . 244 Warning Light . . . . . . . . . . . . . . . . . . . . 118
Appearance Care Exterior . . . . . . . . . . . . . . . . . . . . . . . . . . . . 384
Interior . . . . . . . . . . . . . . . . . . . . . . . . . . . . 389
Apple CarPlay and Android Auto . . . . . . . . . . . . . . . . . . . . . . 184
Assistance Systems for Driving . . . . 287
Assistance Systems for Parking and Backing . . . . . . . . . . . . . . . . . . . . . . . 278
Audio Bluetooth . . . . . . . . . . . . . . . . . . . . . . . . . . 159
Auto Stop Stop/Start System . . . . . . . . . . . . . . . . 233
Automatic Dimming Mirrors . . . . . . . . . . . . . . . . . . 32
Door Locks . . . . . . . . . . . . . . . . . . . . . . . . . 19
Emergency Braking (AEB) . . . . . . . . 290
Headlamp System . . . . . . . . . . . . . . . . 141
Parking Assist (APA) . . . . . . . . . . . . . 282
Transmission . . . . . . . . . . . . . . . . . . . . . . 238
Transmission Fluid . . . . . . . . . . . . . . . 328
Automatic Transmission
Manual Mode . . . . . . . . . . . . . . . . . . . . . 243
Avoiding Untrusted Media Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156B
BatteryExterior Lighting BatterySaver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 145
Power Protection . . . . . . . . . . . . . . . . . . 145
Battery - North America . . . . . .337, 379
Blade Replacement, Wiper . . . . . . . . . 338
Bluetooth Overview . . . . . . . . . . . . . . . . . . . . 179, 180
Bluetooth Audio . . . . . . . . . . . . . . . . . . . . 159
Brake
Electric Boost . . . . . . . . . . . . . . . . . . . . . 244
Parking, Electric . . . . . . . . . . . . . . . . . . 245
System Warning Light . . . . . . . . . . . . 117
Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 336 Antilock . . . . . . . . . . . . . . . . . . . . . . . . . . . 244
Assist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 246
Fluid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 336
Braking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 217
Automatic Emergency (AEB) . . . . . 290
Reverse Automatic . . . . . . . . . . . . . . . . 285
Braking System Front Pedestrian (FPB) . . . . . . . . . . . 291
Break-In, New Vehicle . . . . . . . . . . . . . . 230
Bulb Replacement
Headlamp Aiming . . . . . . . . . . . . . . . . 341
Buying New Tires . . . . . . . . . . . . . . . . . . . 367
C
Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . 105
California Perchlorate MaterialsRequirements . . . . . . . . . . . . . . . . . . . 319
California Proposition 65 Warning . . . . . . . . . . . . . . . . . . .337, 379, Back Cover
Camera Rear Vision (RVC) . . . . . . . . . . . . . . . . . 278
Canadian Vehicle Owners . . . . . . . . . . . . . 1
Capacities and Specifications . . . . . . 409
Carbon Monoxide Engine Exhaust . . . . . . . . . . . . . . . . . . . 238
Liftgate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Winter Driving . . . . . . . . . . . . . . . . . . . . 225
Cargo Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
Management System . . . . . . . . . . . . . . 97
Tie-Downs . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Caution, Danger, and Warning . . . . . . . . 2
Center Console Storage . . . . . . . . . . . . . . 93
Chains, Tire . . . . . . . . . . . . . . . . . . . . . . . . . 370
Charging Wireless . . . . . . . . . . . . . . . . . . . . . . . . . . . 106
Charging System Light . . . . . . . . . . . . . 115

Cadillac XT6 Owner Manual (GMNA-Localizing-U.S./Canada-15218998) -
2022 - CRC - 10/22/21
438 INDEX
FluidAutomatic Transmission . . . . . . . . . 328
Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 336
Washer . . . . . . . . . . . . . . . . . . . . . . . . . . . . 335
Folding Mirrors . . . . . . . . . . . . . . . . . . . . . . 31
Forward Collision Alert (FCA) System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 287
Frequency Statement Radio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 421
Front Pedestrian Braking (FPB) System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 291
Front Seats Heated and Ventilated . . . . . . . . . . . . 46
Fuel Additives . . . . . . . . . . . . . . . . . . . . . . . . . . 302
Economy, Driving for Better . . . . . 216
Filling a Portable FuelContainer . . . . . . . . . . . . . . . . . . . . . . . . 304
Filling the Tank . . . . . . . . . . . . . . . . . . . 303
Foreign Countries . . . . . . . . . . . . . . . . . 302
Gauge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112
Low Fuel Warning Light . . . . . . . . . 122
Management, Active . . . . . . . . . . . . . . 237
Prohibited Fuels . . . . . . . . . . . . . . . . . . 302
Recommended . . . . . . . . . . . . . . 301, 302
Top Tier . . . . . . . . . . . . . . . . . . . . . . . . . . . 301 Fuses
Engine Compartment Fuse
Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 343
Fuses and Circuit Breakers . . . . . . . 343
Instrument Panel Fuse Block . . . . 347
Rear Compartment Fuse Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 349
G
Garage Door Opener . . . . . . . . . . . . . . . . 135
Programming . . . . . . . . . . . . . . . . . . . . . . 135
Gas Strut(s) . . . . . . . . . . . . . . . . . . . . . . . . . 340
Gauges
Engine Coolant Temperature . . . . 113
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112
Odometer . . . . . . . . . . . . . . . . . . . . . . . . . . 112
Speedometer . . . . . . . . . . . . . . . . . . . . . . 111
Tachometer . . . . . . . . . . . . . . . . . . . . . . . 112
Trip Odometer . . . . . . . . . . . . . . . . . . . . 112
Warning Lights andIndicators . . . . . . . . . . . . . . . . . . . . . . . . 109
General Information Service and Maintenance . . . . . . . . 394
Towing . . . . . . . . . . . . . . . . . . . . . . . . . . . . 305
Vehicle Care . . . . . . . . . . . . . . . . . . . . . . . 319
Global Positioning
System (GPS) . . . . . . . . . . . . . . . . . . . . . . 172
Glove Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92 GM Mobility Reimbursement
Program . . . . . . . . . . . . . . . . . . . . . . . . . . . . 415
Guidance Problems with the Route . . . . . . . . . 172
H
Hazard Warning Flashers . . . . . . . . . . 142
HD Radio Technology . . . . . . . . . . . . . . 154
Head Restraints . . . . . . . . . . . . . . . . . . . . . . 40
Head-up Display . . . . . . . . . . . . . . . . . . . . 127
HeadlampsAiming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 341
Automatic . . . . . . . . . . . . . . . . . . . . . . . . . 141
Daytime Running
Lamps (DRL) . . . . . . . . . . . . . . . . . . . . 141
Flash-to-Pass . . . . . . . . . . . . . . . . . . . . . . 141
High-Beam On Light . . . . . . . . . . . . . . 123
High/Low Beam Changer . . . . . . . . . 141
Lamps On Reminder . . . . . . . . . . . . . . 123
Heated Rear Seats . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Steering Wheel . . . . . . . . . . . . . . . . . . . . 101
Heated and Ventilated Front Seats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Heated Mirrors . . . . . . . . . . . . . . . . . . . . . . . 31
Heater Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 234
Heating . . . . . . . . . . . . . . . . . . . . . . . . .206, 211

Cadillac XT6 Owner Manual (GMNA-Localizing-U.S./Canada-15218998) -
2022 - CRC - 10/22/21
444 INDEX
Tires (cont'd)All-Season . . . . . . . . . . . . . . . . . . . . . . . . . 352
Buying New Tires . . . . . . . . . . . . . . . . . 367
Chains . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 370
Changing . . . . . . . . . . . . . . . . . . . . . . . . . . 372
Compact Spare . . . . . . . . . . . . . . . . . . . . 378
Designations . . . . . . . . . . . . . . . . . . . . . . 354
Different Size . . . . . . . . . . . . . . . . . . . . . . 368
If a Tire Goes Flat . . . . . . . . . . . . . . . . 371
Inspection . . . . . . . . . . . . . . . . . . . . . . . . . 364
Pressure . . . . . . . . . . . . . . . . . . . . . 358, 359
Pressure Light . . . . . . . . . . . . . . . . . . . . . 121
Pressure Monitor Operation . . . . . . 361
Pressure Monitor System . . . . . . . . 360
Rotation . . . . . . . . . . . . . . . . . . . . . . . . . . . 365
Sidewall Labeling . . . . . . . . . . . . . . . . . 353
Terminology and Definitions . . . . 355
Uniform Tire Quality Grading . . . . 368
Wheel Alignment and Tire
Balance . . . . . . . . . . . . . . . . . . . . . . . . . . 370
Wheel Replacement . . . . . . . . . . . . . . 370
When It Is Time for New
Tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 366
Winter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 352
Top Tier Fuel . . . . . . . . . . . . . . . . . . . . . . . . 301
Towing Driving Characteristics . . . . . . . . . . . 305
Equipment . . . . . . . . . . . . . . . . . . . . . . . . 312 Towing (cont'd)
General Information . . . . . . . . . . . . . . 305
Recreational Vehicle . . . . . . . . . . . . . . 382
Trailer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 308
Trailer Sway Control (TSC) . . . . . . . 315
Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 381
Traction
Control System(TCS)/StabiliTrak Light . . . . . . . . . 121
Off Light . . . . . . . . . . . . . . . . . . . . . . . . . . . 120
Traction Control/Electronic Stability Control . . . . . . . . . . . . . . . . . . . 247
Trademarks and License Agreements . . . . . . . . . . . . . . . . . . . . . . . . 197
Trailer Sway Control (TSC) . . . . . . . . . . . . . . . 315
Towing . . . . . . . . . . . . . . . . . . . . . . . . . . . . 308
Transmission Automatic . . . . . . . . . . . . . . . . . . . . . . . . . 238
Fluid, Automatic . . . . . . . . . . . . . . . . . . 328
Transportation Program,
Courtesy . . . . . . . . . . . . . . . . . . . . . . . . . . . 418
Trip Odometer . . . . . . . . . . . . . . . . . . . . . . 112
Turn and Lane-Change Signals . . . . 142
U
Uniform Tire Quality Grading . . . . . . 368
Universal Remote System . . . . . . . . . . 135 Universal Remote System (cont'd)
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . 137
Programming . . . . . . . . . . . . . . . . . . . . . . 135
Updates Map Data . . . . . . . . . . . . . . . . . . . . . . . . . . 173
Software . . . . . . . . . . . . . . . . . . . . . . . . . . . 152
USB Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156
Using the Navigation System . . . . . . 160
Using the System . . . . . . . . . . . . . . . . . . . 149
Using This Manual . . . . . . . . . . . . . . . . . . . . 2
V
Vehicle
Alarm System . . . . . . . . . . . . . . . . . . . . . . 27
Canadian Owners . . . . . . . . . . . . . . . . . . . . 1
Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . 217
Identification Number (VIN) . . . . . 408
Load Limits . . . . . . . . . . . . . . . . . . . . . . . 226
Messages . . . . . . . . . . . . . . . . . . . . . . . . . . 130
Personalization . . . . . . . . . . . . . . . . . . . 130
Remote Start . . . . . . . . . . . . . . . . . . . . . . . 15
Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Speed Messages . . . . . . . . . . . . . . . . . . . 130
Towing . . . . . . . . . . . . . . . . . . . . . . . . . . . . 381
Vehicle Ahead Indicator . . . . . . . . . . . . 120