2020 CADILLAC XT6 P 343

Cadillac XT6 Owner Manual (GMNA-Localizing-U.S./Canada-12984300) -
2020 - CRC - 3/19/19
SERVICE AND MAINTENANCE 343
Recommended Fluids, Lubricants, and Parts
Recommended Fluids and Lubricants
UsageFluid/Lubricant
Automatic Transmission DEXRON-VI Automatic Transmission Fluid. Chassis Lubrication Chassis Lubricant (GM Part No. 12377985, in Canada 88901242) or lubricant
meeting requirements of NLGI #2, Category LB or GC-LB.
Engine Coolant 50/50 mixture of clean, drinkable water and use only DEX-COOL Coolant. See
Cooling System 0269.
Engine Oil Engine oil meeting the dexos1 specification of the proper SAE viscosity grade.
ACDelco dexos1 full synthetic is recommended. See Engine Oil0264.
Fuel Additive Fuel System Treatment PLUS (Part No. 88865595).
Hood and Door Hinges, Key Lock Cylinders Multi-Purpose Lubricant, Superlube (GM Part No. 12346241, in
Canada 10953474).
Hydraulic Brake System DOT 3 Hydraulic Brake Fluid (GM Part No. 19353126, in Canada 19353127).
Power Liftgate Actuator Ball Joint, Hood Latch Assembly, Secondary Latch,
Pivots, Spring Anchor, and Release Pawl Lubriplate Lubricant Aerosol (GM Part No. 89021668, in Canada 89021674) or
lubricant meeting requirements of NLGI #2, Category LB or GC-LB.
Weatherstrip Conditioning Weatherstrip Lubricant (GM Part No. 3634770, in Canada 10953518) or equivalent.
Windshield Washer Automotive windshield washer fluid that meets regional freeze protection
requirements.

Cadillac XT6 Owner Manual (GMNA-Localizing-U.S./Canada-12984300) -
2020 - CRC - 3/19/19
TECHNICAL DATA 347
Vehicle Data
Capacities and Specifications
The following approximate capacities are given in metric and English conversions. SeeRecommended Fluids and Lubricants
0 343 for more information.
Application Capacities
Metric English
Air Conditioning Refrigerant For the air conditioning system refrigerant type and charge amount, see the refrigerant label under thehood. See your dealer for more information.
Engine Cooling System* 3.6L V6 Engine 11.4 L 12.0 qt
3.6L V6 Engine with rear A/C 12.9 L 13.6 qt
Engine Oil with Filter 5.7 L 6.0 qt
Fuel Tank Front-Wheel Drive 73.4 L 19.4 gal
All-Wheel Drive 82.1 L 21.7 gal
Wheel Nut Torque 190 Y140 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.

Cadillac XT6 Owner Manual (GMNA-Localizing-U.S./Canada-12984300) -
2020 - CRC - 3/19/19
378 INDEX
Lamps (cont'd)Exterior Controls . . . . . . . . . . . . . . . . . . 144
Exterior Lamps Off Reminder . . . . 147
Exterior Lighting Battery
Saver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151
Malfunction Indicator (Check Engine) . . . . . . . . . . . . . . . . . . . . . . . . . . 120
On Reminder . . . . . . . . . . . . . . . . . . . . . . 128
Reading . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150
Lane Change Alert (LCA) . . . . . . . . . . . 235
Lane Keep Assist (LKA) . . . . . . . . . . . . 237
Lane Keep Assist Light . . . . . . . . . . . . . 124
Lap-Shoulder Belt . . . . . . . . . . . . . . . . . . . . 58
LATCH System Replacing Parts after a Crash . . . . . . 90
LATCH, Lower Anchors and Tethers for Children . . . . . . . . . . . . . . . 82
LED Lighting . . . . . . . . . . . . . . . . . . . . . . . . 280
Liftgate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Lighting
Entry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151
Exit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151
Illumination Control . . . . . . . . . . . . . . 149
LED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 280
Lights Airbag Readiness . . . . . . . . . . . . . . . . . 119
All-Wheel Drive . . . . . . . . . . . . . . . . . . . 123 Lights (cont'd)
Antilock Brake System (ABS)
Warning . . . . . . . . . . . . . . . . . . . . . . . . . 123
Brake System Warning . . . . . . . . . . . 122
Charging System . . . . . . . . . . . . . . . . . . 120
Check Engine (Malfunction
Indicator) . . . . . . . . . . . . . . . . . . . . . . . . 120
Cruise Control . . . . . . . . . . . . . . . . . . . . . 128
Door Ajar . . . . . . . . . . . . . . . . . . . . . . . . . . 128
Driver Mode Control . . . . . . . . . . . . . . 126
Electric Parking Brake . . . . . . . . . . . . 122
Engine Oil Pressure . . . . . . . . . . . . . . . 126
Flash-to-Pass . . . . . . . . . . . . . . . . . . . . . . 147
High-Beam On . . . . . . . . . . . . . . . . . . . . 127
High/Low Beam Changer . . . . . . . . . 147
Lane Keep Assist . . . . . . . . . . . . . . . . . . 124
Low Fuel Warning . . . . . . . . . . . . . . . . 127
Seat Belt Reminders . . . . . . . . . . . . . . 118
Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127
Service Electric Parking Brake . . . 123
StabiliTrak OFF . . . . . . . . . . . . . . . . . . . 125
Tire Pressure . . . . . . . . . . . . . . . . . . . . . . 126
Traction Control System (TCS)/StabiliTrak . . . . . . . . . . . . . . . . 125
Traction Off . . . . . . . . . . . . . . . . . . . . . . . 125
Lock Steering Column . . . . . . . . . . . . . . . . . . . . 31 Locks
Automatic Door . . . . . . . . . . . . . . . . . . . . . 19
Delayed Locking . . . . . . . . . . . . . . . . . . . . 19
Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Lockout Protection . . . . . . . . . . . . . . . . . 20
Power Door . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Loss of Control . . . . . . . . . . . . . . . . . . . . . . 168
Low Fuel Warning Light . . . . . . . . . . . 127
Lower Anchors and Tethers for Children (LATCH System) . . . . . . . . . 82
Lumbar Adjustment . . . . . . . . . . . . . . . . . 44 Front Seats . . . . . . . . . . . . . . . . . . . . . . . . . . 44
M
MaintenanceRecords . . . . . . . . . . . . . . . . . . . . . . . . . . . . 345
Maintenance and Care Additional . . . . . . . . . . . . . . . . . . . . . . . . . 340
Maintenance Schedule . . . . . . . . . . . . . 333 Recommended Fluids and
Lubricants . . . . . . . . . . . . . . . . . . . . . . . 343
Malfunction Indicator Lamp . . . . . . . 120
Manual Mode . . . . . . . . . . . . . . . . . . . . . . . 195
Memory Seats . . . . . . . . . . . . . . . . . . . . . . . . 45
Messages Engine Power . . . . . . . . . . . . . . . . . . . . . 135
Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134

Cadillac XT6 Owner Manual (GMNA-Localizing-U.S./Canada-12984300) -
2020 - CRC - 3/19/19
380 INDEX
Proposition65 Warning,
California . . . . . . . . . . . . . . .259, 276, 318,
Back Cover
Publication Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . 358
R
Radio Frequency Statement . . . . . . . . 359
Reading Lamps . . . . . . . . . . . . . . . . . . . . . 150
Rear Camera Mirror . . . . . . . . . . . . . . . . . 34
Rear Climate Control System . . . . . . 158
Rear Pedestrian Alert . . . . . . . . . . . . . . . 225
Rear Seats . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50Heated . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Rear Storage . . . . . . . . . . . . . . . . . . . . . . . . . 97
Rear Vision Camera (RVC) . . . . . . . . . 217
Rear Window Washer/Wiper . . . . . . . 107
Rearview Mirrors Automatic Dimming . . . . . . . . . . . . . . . . 34
Reclining Seatbacks . . . . . . . . . . . . . . . . . 44
Recommended
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 241
Recommended Fluids and Lubricants . . . . . . . . . . . . . . . . . . . . . . . . . 343
Recorder
Video . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 239 Records
Maintenance . . . . . . . . . . . . . . . . . . . . . . 345
Recreational Vehicle Towing . . . . . . . 321
Reimbursement Program, GM Mobility . . . . . . . . . . . . . . . . . . . . . . . . . . . . 352
Remote Keyless Entry (RKE) System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Remote Vehicle Start . . . . . . . . . . . . . . . . 15
Replacement Parts Airbags . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Maintenance . . . . . . . . . . . . . . . . . . . . . . 344
Replacing Airbag System . . . . . . . . . . . . 75
Replacing LATCH System Parts after a Crash . . . . . . . . . . . . . . . . . . . . . . . . 90
Replacing Seat Belt System Parts after a Crash . . . . . . . . . . . . . . . . . 63
Reporting Safety Defects Canadian Government . . . . . . . . . . . . 360
General Motors . . . . . . . . . . . . . . . . . . . 360
U.S. Government . . . . . . . . . . . . . . . . . . 359
Restraints
Where to Put . . . . . . . . . . . . . . . . . . . . . . . . 81
Retained Accessory Power (RAP) . . . . . . . . . . . . . . . . . . . . . . . 186
Reverse Tilt Mirrors . . . . . . . . . . . . . . . . . 34
Roads
Driving, Wet . . . . . . . . . . . . . . . . . . . . . . . 173
Roadside Service . . . . . . . . . . . . . . . . . . . . 353 Roof
Sunroof . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Roof Rack System . . . . . . . . . . . . . . . . . . 102
Rotation, Tires . . . . . . . . . . . . . . . . . . . . . . 303
Routing, Engine Drive Belt . . . . . . . . . 348
Running the Vehicle While Parked . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 190S
Safety Defects Reporting
Canadian Government . . . . . . . . . . . . 360
General Motors . . . . . . . . . . . . . . . . . . . 360
U.S. Government . . . . . . . . . . . . . . . . . . 359
Safety Locks . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Safety System Check . . . . . . . . . . . . . . . . 62
Scheduling Appointments . . . . . . . . . . 355
Seat Belts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55 Care . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Extender . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
How to Wear Seat BeltsProperly . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Lap-Shoulder Belt . . . . . . . . . . . . . . . . . . . 58
Reminders . . . . . . . . . . . . . . . . . . . . . . . . . 118
Replacing after a Crash . . . . . . . . . . . . . 63
Use During Pregnancy . . . . . . . . . . . . . . 61
Seats
Head Restraints . . . . . . . . . . . . . . . . . . . . . 42
Heated and Ventilated Front . . . . . . . 48