
Cadillac XTS Owner Manual (GMNA-Localizing-U.S./Canada-12032610) -
2019 - crc - 8/22/18
SERVICE AND MAINTENANCE 325
Maintenance Schedule
Additional Required Services -
Normal12 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.@ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @
Replace passenger compartment air filter. (1)@ @@@@@
Inspect evaporative control system. (2)@ @@
Replace engine air cleaner filter. (3)@@@
Replace spark plugs. Inspect ignition coils. (3.6L LFX
V6 engine)@
Replace spark plugs. Inspect ignition coils. (3.6L LF3
twin turbo V6 engine)@ @
Replace rear axle fluid, if equipped with limited-slip
differential.@@@
Replace rear axle fluid, except limited-slip
differential.@
Drain and fill engine cooling system. (4)@
Visually inspect accessory drive belts. (5)@
Replace brake fluid. (6)
Replace windshield wiper blades. (7)
@ @ @ @ @ @ @ @ @ @
Replace hood and/or body lift support gas struts.@ @

Cadillac XTS Owner Manual (GMNA-Localizing-U.S./Canada-12032610) -
2019 - crc - 8/22/18
326 SERVICE AND MAINTENANCE
Footnotes—Maintenance Schedule
Additional Required Services -
Normal
(1) Or every two years, whichever
comes first. More frequent passenger
compartment air filter replacement
may be needed if driving in areas with
heavy traffic, poor air quality, high
dust levels, or environmental
allergens. Passenger compartment air
filter replacement may also be needed
if there is reduced airf low, window
fogging, or odors. Your GM dealer can
help determine when to replace the
filter.
(2) Visually check all fuel and vapor
lines and hoses for proper attachment,
connection, routing, and condition.
(3) Or every four years, whichever
comes first. If driving in dusty
conditions, inspect the filter at each
oil change or more often as needed. (4)
Or every five years, whichever
comes first. See Cooling System0250.
(5) Or every 10 years, whichever
comes first. Inspect for fraying,
excessive cracking, or damage; replace,
if needed.
(6) Replace brake fluid every five
years. See Brake Fluid 0257.
(7) Or every 12 months, whichever
comes first. See Wiper Blade
Replacement 0260.

Cadillac XTS Owner Manual (GMNA-Localizing-U.S./Canada-12032610) -
2019 - crc - 8/22/18
SERVICE AND MAINTENANCE 327
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.@ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @
Replace passenger compartment air filter. (1)@ @@@@@
Inspect evaporative control system. (2)@ @@
Replace engine air cleaner filter. (3)@@@
Change automatic transmission fluid.@@@
Replace spark plugs. Inspect ignition coils. (3.6L LFX
V6 engine)@
Replace spark plugs. Inspect ignition coils. (3.6L LF3
twin turbo V6 engine)@ @
Replace rear axle fluid, if equipped with limited-slip
differential.@@@
Replace rear axle fluid, except limited-slip
differential.@ @
Drain and fill engine cooling system. (4)@
Visually inspect accessory drive belts. (5)@
Replace brake fluid. (6)
Replace windshield wiper blades. (7)
@ @ @ @ @ @ @ @ @ @
Replace hood and/or body lift support gas struts.@@

Cadillac XTS Owner Manual (GMNA-Localizing-U.S./Canada-12032610) -
2019 - crc - 8/22/18
328 SERVICE AND MAINTENANCE
Footnotes—Maintenance Schedule
Additional Required Services -
Severe
(1) Or every two years, whichever
comes first. More frequent passenger
compartment air filter replacement
may be needed if driving in areas with
heavy traffic, poor air quality, high
dust levels, or environmental
allergens. Passenger compartment air
filter replacement may also be needed
if there is reduced airf low, window
fogging, or odors. Your GM dealer can
help determine when to replace the
filter.
(2) Visually check all fuel and vapor
lines and hoses for proper attachment,
connection, routing, and condition.
(3) Or every four years, whichever
comes first. If driving in dusty
conditions, inspect the filter at each
oil change or more often as needed. (4)
Or every five years, whichever
comes first. See Cooling System0250.
(5) Or every 10 years, whichever
comes first. Inspect for fraying,
excessive cracking, or damage; replace,
if needed.
(6) Replace brake fluid every five
years. See Brake Fluid 0257.
(7) Or every 12 months, whichever
comes first. See Wiper Blade
Replacement 0260.Special Application
Services
.
Severe Commercial Use Vehicles
Only: Lubricate chassis
components every oil change.
. Have underbody flushing service
performed. See "Underbody
Maintenance" in Exterior Care
0 312.

Cadillac XTS Owner Manual (GMNA-Localizing-U.S./Canada-12032610) -
2019 - crc - 8/22/18
332 SERVICE AND MAINTENANCE
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.
Electronic Limited-Slip Differential (eLSD) Hydraulic Apply Fluid GM Hydraulic Fluid (GM Part No. 88901975, in Canada 88901976).
Engine Coolant 50/50 mixture of clean, drinkable water and use only DEX-COOL Coolant. See
Cooling System 0250.
Engine Oil Engine oil meeting the dexos1 specification of the proper SAE viscosity grade.
ACDelco dexos1 full synthetic is recommended. See Engine Oil0244.
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.
Hydraulic Brake System DOT 3 Hydraulic Brake Fluid (GM Part No. 19353126, in Canada 19353127).
Hydraulic Power Steering System DEXRON-VI Automatic Transmission Fluid.
Key Lock Cylinders, Hood, and Door Hinges Multi-Purpose Lubricant, Superlube (GM Part No. 12346241, in
Canada 10953474).
Rear Axle (Non-Limited-Slip Differential) Rear Differential non-LSD Fluid (GM Part No. 88900401, in Canada 89021678).

Cadillac XTS Owner Manual (GMNA-Localizing-U.S./Canada-12032610) -
2019 - crc - 8/22/18
TECHNICAL DATA 337
Vehicle Data
Capacities and Specifications
ApplicationCapacities
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 (LF3) 9.8 L 10.4 qt
3.6L (LFX) 7.1 L 7.5 qt
Engine Oil with Filter 3.6L (LF3) 6.6 L 7.0 qt
3.6L (LFX) 5.7 L 6.0 qt
Fuel Tank Front-Wheel Drive 70.0 L 18.5 gal
All-Wheel Drive 74.0 L19.5 gal
Wheel Nut Torque 150Y 110 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.

Cadillac XTS Owner Manual (GMNA-Localizing-U.S./Canada-12032610) -
2019 - crc - 8/22/18
366 INDEX
CompartmentsStorage . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108
Compass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
Compressor Kit, Tire Sealant . . . . . . . 293
Connected Services Connections . . . . . . . . . . . . . . . . . . . . . . . 361
Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . 363
Navigation . . . . . . . . . . . . . . . . . . . . . . . . . 360
Connections Connected Services . . . . . . . . . . . . . . . 361
Control
Traction and ElectronicStability . . . . . . . . . . . . . . . . . . . . . . . . . . 196
Control of a Vehicle . . . . . . . . . . . . . . . . 174
Convenience Net . . . . . . . . . . . . . . . . . . . . 111
Convex Mirrors . . . . . . . . . . . . . . . . . . . . . . 44
Coolant Engine Temperature Gauge . . . . . . 128
Engine Temperature WarningLight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136
Cooling . . . . . . . . . . . . . . . . . . . . . . . . .163, 168
Cooling System . . . . . . . . . . . . . . . . . . . . . 250
Cornering Lamps . . . . . . . . . . . . . . . . . . . 159
Courtesy Lamps . . . . . . . . . . . . . . . . . . . . . 159
Courtesy Transportation
Program . . . . . . . . . . . . . . . . . . . . . . . . . . . . 345
Cover Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 243 Cruise Control . . . . . . . . . . . . . . . . . . . . . . . 199
Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139
Cruise Control, Adaptive . . . . . . . . . . . 202
Customer Assistance . . . . . . . . . . . . . . . 341 Offices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 341
Text Telephone (TTY) Users . . . . . 341
Customer Information
Publications OrderingInformation . . . . . . . . . . . . . . . . . . . . . . 348
Customer Satisfaction Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . 339
D
Damage Repair, Collision . . . . . . . . . . . 346
Danger, Warning, and Caution . . . . . . . . 2
Data CollectionInfotainment System . . . . . . . . . . . . . 351
OnStar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 351
Data Recorders, Event . . . . . . . . . . . . . . 350
Daytime Running Lamps (DRL) . . . 157
Defensive Driving . . . . . . . . . . . . . . . . . . . 174
Delayed Locking . . . . . . . . . . . . . . . . . . . . . 37
Diagnostics Connected Services . . . . . . . . . . . . . . . 363
Distracted Driving . . . . . . . . . . . . . . . . . . 173
Dome Lamps . . . . . . . . . . . . . . . . . . . . . . . . 159
Door Ajar Light . . . . . . . . . . . . . . . . . . . . . . . . . 139 Door (cont'd)
Delayed Locking . . . . . . . . . . . . . . . . . . . . 37
Locks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Power Locks . . . . . . . . . . . . . . . . . . . . . . . . . 37
Rear Seat Pass-Through . . . . . . . . . . . . 68
Drive Belt Routing, Engine . . . . . . . . . 338
Drive Systems All-Wheel Drive . . . . . . . . . . . . . . 193, 259
Driver Assistance Systems . . . . . . . . . 209
Driver Information
Center (DIC) . . . . . . . . . . . . . . . . . . . . . . . 139
Driving Assistance Systems . . . . . . . . . . . . . . . 217
Characteristics andTowing Tips . . . . . . . . . . . . . . . . . . . . . 230
Defensive . . . . . . . . . . . . . . . . . . . . . . . . . . 174
Drunk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 174
For Better Fuel Economy . . . . . . . . . . . 25
Hill and Mountain Roads . . . . . . . . 177
If the Vehicle is Stuck . . . . . . . . . . . . 179
Loss of Control . . . . . . . . . . . . . . . . . . . . 176
Off-Road Recovery . . . . . . . . . . . . . . . . 176
Vehicle Load Limits . . . . . . . . . . . . . . 179
Wet Roads . . . . . . . . . . . . . . . . . . . . . . . . . 176
Winter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 178
Dual Automatic Climate Control System . . . . . . . . . . . . . . . . . . . . 163

Cadillac XTS Owner Manual (GMNA-Localizing-U.S./Canada-12032610) -
2019 - crc - 8/22/18
INDEX 367
E
Electric Parking Brake . . . . . . . . . . . . . . 194
Electric Parking Brake Light . . . . . . . 133
Electrical Equipment, Add-On . . . . . 235
Electrical SystemEngine Compartment FuseBlock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 265
Fuses and Circuit Breakers . . . . . . . 265
Instrument Panel Fuse Block . . . . 268
Overload . . . . . . . . . . . . . . . . . . . . . . . . . . . 264
Rear Compartment Fuse Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 270
Emergency OnStar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 353
Engine Air Cleaner/Filter . . . . . . . . . . . . . . . . . 248
Check Light (MalfunctionIndicator) . . . . . . . . . . . . . . . . . . . . . . . . 131
Compartment Overview . . . . . . . . . . 240
Coolant Temperature Gauge . . . . . 128
Coolant Temperature
Warning Light . . . . . . . . . . . . . . . . . . . 136
Cooling System . . . . . . . . . . . . . . . . . . . 250
Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 243
Drive Belt Routing . . . . . . . . . . . . . . . . 338
Exhaust . . . . . . . . . . . . . . . . . . . . . . . . . . . . 190
Heater . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 186
Oil Life System . . . . . . . . . . . . . . . . . . . . 246 Engine (cont'd)
Oil Pressure Light . . . . . . . . . . . . . . . . . 137
Overheated Protection
Operating Mode . . . . . . . . . . . . . . . . . 254
Overheating . . . . . . . . . . . . . . . . . . . . . . . 253
Power Messages . . . . . . . . . . . . . . . . . . 146
Running While Parked . . . . . . . . . . . 191
Starting . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185
Engine Oil
Temperature Gauge . . . . . . . . . . . . . . . 127
Entry Lighting . . . . . . . . . . . . . . . . . . . . . . 160
Equipment, Towing . . . . . . . . . . . . . . . . . 234
Event Data Recorders . . . . . . . . . . . . . . 350
Exit Lighting . . . . . . . . . . . . . . . . . . . . . . . . 161
Extended Parking . . . . . . . . . . . . . . . . . . . 189
Extender, Seat Belt . . . . . . . . . . . . . . . . . . 74
Exterior Lamp Controls . . . . . . . . . . . . 155
Exterior Lamps Off Reminder . . . . . . 156
Exterior Lighting Battery Saver . . . . 161
F
Features Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Filter,
Engine Air Cleaner . . . . . . . . . . . . . . . . 248
Flash-to-Pass . . . . . . . . . . . . . . . . . . . . . . . . 157
Flashers, Hazard Warning . . . . . . . . . . 158
Flat Tire . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 291 Flat Tire (cont'd)
Changing . . . . . . . . . . . . . . . . . . . . . . . . . . 300
Floor Mats . . . . . . . . . . . . . . . . . . . . . . . . . . . 319
Fluid Automatic Transmission . . . . . . . . . 247
Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 257
Power Steering . . . . . . . . . . . . . . . . . . . . 255
Washer . . . . . . . . . . . . . . . . . . . . . . . . . . . . 256
Folding Mirrors . . . . . . . . . . . . . . . . . . . . . . 44
Forward Automatic Braking . . . . . . . . 219
Forward Collision Alert (FCA)
System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 217
Frequency Statement Radio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 349
Front Seats Heated and Ventilated . . . . . . . . . . . . . 63
Fuel Additives . . . . . . . . . . . . . . . . . . . . . . . . . . 227
Economy Driving . . . . . . . . . . . . . . . . . . . 25
Filling a Portable Fuel
Container . . . . . . . . . . . . . . . . . . . . . . . . 229
Filling the Tank . . . . . . . . . . . . . . . . . . . 227
Foreign Countries . . . . . . . . . . . . . . . . . 227
Gauge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125
Low Fuel Warning Light . . . . . . . . . 138
Prohibited Fuels . . . . . . . . . . . . . . . . . . 227
Recommended . . . . . . . . . . . . . . . . . . . . 226
Top Tier . . . . . . . . . . . . . . . . . . . . . . . . . . . 226