Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
12017481) - 2019 - CRC - 11/5/18
330 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, if recommended for the vehicle, and
perform Required Services. Check engine oil level
and oil life percentage. Change engine oil and filter,
if needed. (1)@ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @
Replace passenger compartment air filter. (2)@ @@@@@
Inspect evaporative control system. (3)@ @@
Replace engine air cleaner filter. (4)@@@
Replace spark plugs. Inspect spark plug wires.@ @
Change automatic transmission fluid and filter.@@@
Drain and fill engine cooling system. (5)@
Visually inspect accessory drive belts. (6)@
Replace brake fluid. (7)
Replace windshield wiper blades. (8)
@ @ @ @ @ @ @ @ @ @
Replace hood and/or body lift support gas struts.@ @
Footnotes—Maintenance Schedule
Additional Required Services -
Severe
(1) Vehicles with different size front
and rear tires do not have tire
rotation. See Tire Rotation0295. (2)
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.
Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
12017481) - 2019 - CRC - 11/5/18
SERVICE AND MAINTENANCE 331
(3)Visually check all fuel and vapor
lines and hoses for proper attachment,
connection, routing, and condition.
(4) Or every four years, whichever
comes first. If driving in dusty
conditions, inspect the filter at each
oil change or more often as needed.
(5) Or every five years, whichever
comes first. See Cooling System0262.
(6) Or every 10 years, whichever
comes first. Inspect for fraying,
excessive cracking, or damage; replace,
if needed.
(7) Replace brake fluid every five
years. See Brake Fluid 0268.
(8) Or every 12 months, whichever
comes first. See Wiper Blade
Replacement 0271.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
0 315.
Additional Maintenance
and Care
Your vehicle is an important
investment and caring for it properly
may help to avoid future costly
repairs. To maintain vehicle
performance, additional maintenance
services may be required.
It is recommended that your dealer
perform these services —their trained
dealer technicians know your vehicle
best. Your dealer can also perform a
thorough assessment with a
multi-point inspection to recommend
when your vehicle may need
attention.
The following list is intended to
explain the services and conditions to
look for that may indicate services are
required.
Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
12017481) - 2019 - CRC - 11/5/18
364 CONNECTED SERVICES
On some vehicles, Wi-Fi can also be
managed from the Wi-Fi
Hotspot menu.
MyCadillac Mobile App (If Available)
Download the myCadillac mobile app
to compatible Apple and Android
smartphones. Cadillac users can
access the following services from a
smartphone:
.Remotely start/stop the vehicle,
if factory-equipped.
. Lock/unlock doors, if equipped
with automatic locks.
. Activate the horn and lamps.
. Check the vehicle’s fuel level, oil
life, or tire pressure,
if factory-equipped with the Tire
Pressure Monitor System.
. Send destinations to the vehicle.
. Locate the vehicle on a map (U.S.
market only).
. Turn the vehicle's Wi-Fi hotspot
on/off, manage settings, and
monitor data consumption,
if equipped. .
Locate a dealer and schedule
service.
. Request roadside assistance.
. Set a parking reminder with pin
drop, take a photo, make a note,
and set a timer.
. Connect with Cadillac on social
media.
Features are subject to change. For
myCadillac mobile app information
and compatibility, see my.cadillac.com.
An active OnStar or connected service
plan may be required. A compatible
device, factory-installed remote start,
and power locks are required. Data
rates apply. See www.onstar.com for
details and system limitations.
Remote Services
Contact an OnStar Advisor to unlock
the doors or sound the horn and flash
the lamps.
Marketplace
OnStar Advisors can provide offers
from restaurants and retailers on your
route, help locate hotels, or book a
room. These services vary by market.
OnStar Hands-Free Calling
Make and receive calls with the
built-in wireless calling service, which
requires available minutes.
Functionality of the Voice Command
button may vary by vehicle and
region. For some vehicles, press
=to
open the OnStar app on the
infotainment display, then select
Hands-Free calling. For other vehicles
press
=as follows.
Make a Call
1. Press
=. System responds:
“OnStar ready.”
2. Say “Call.”System responds: “Call.
Please say the name or number
to call.”
3. Say the entire number without pausing, including a “1”and the
area code. System responds: “OK,
calling.”
Calling 911 Emergency
1. Press=. System responds:
“OnStar ready.”
Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
12017481) - 2019 - CRC - 11/5/18
INDEX 371
L
Labeling, Tire Sidewall . . . . . . . . . . . . . 283
LampsCornering . . . . . . . . . . . . . . . . . . . . . . . . . . 162
Courtesy . . . . . . . . . . . . . . . . . . . . . . . . . . . 162
Daytime Running (DRL) . . . . . . . . . . 160
Dome . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 162
Exterior Controls . . . . . . . . . . . . . . . . . . 158
Exterior Lamps Off Reminder . . . . 160
Exterior Lighting BatterySaver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164
Front Turn Signal . . . . . . . . . . . . . . . . . 273
Malfunction Indicator (Check Engine) . . . . . . . . . . . . . . . . . . . . . . . . . . 133
On Reminder . . . . . . . . . . . . . . . . . . . . . . 141
Reading . . . . . . . . . . . . . . . . . . . . . . . . . . . . 163
Lane Change Alert (LCA) . . . . . . . . . . . 232
Lane Departure Warning (LDW) . . . . . . . . . . . . . . . . . . . 234
Lane Keep Assist (LKA) . . . . . . . . . . . . 234
Lane Keep Assist Light . . . . . . . . . . . . . 137
Lap-Shoulder Belt . . . . . . . . . . . . . . . . . . . . 76
LATCH System Replacing Parts after a Crash . . . . 106
LATCH, Lower Anchors and Tethers for Children . . . . . . . . . . . . . . . 99
LED Lighting . . . . . . . . . . . . . . . . . . . . . . . . 273
Liftgate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 Lighter, Cigarette . . . . . . . . . . . . . . . . . . . 124
Lighting
Entry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 163
Exit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164
Illumination Control . . . . . . . . . . . . . . 162
LED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 273
Lights
Airbag Readiness . . . . . . . . . . . . . . . . . 131
All-Wheel Drive . . . . . . . . . . . . . . . . . . . 137
Antilock Brake System (ABS)Warning . . . . . . . . . . . . . . . . . . . . . . . . . 136
Brake System Warning . . . . . . . . . . . 135
Charging System . . . . . . . . . . . . . . . . . . 133
Check Engine (Malfunction Indicator) . . . . . . . . . . . . . . . . . . . . . . . . 133
Cruise Control . . . . . . . . . . . . . . . . . . . . . 141
Door Ajar . . . . . . . . . . . . . . . . . . . . . . . . . . 142
Driver Mode Control . . . . . . . . . . . . . . 139
Electric Parking Brake . . . . . . . . . . . . 136
Engine Coolant Temperature Warning . . . . . . . . . . . . . . . . . . . . . . . . . 139
Engine Oil Pressure . . . . . . . . . . . . . . . 140
Flash-to-Pass . . . . . . . . . . . . . . . . . . . . . . 160
High-Beam On . . . . . . . . . . . . . . . . . . . . 141
High/Low Beam Changer . . . . . . . . . 160
Lane Keep Assist . . . . . . . . . . . . . . . . . . 137
Low Fuel Warning . . . . . . . . . . . . . . . . 140
Seat Belt Reminders . . . . . . . . . . . . . . 131 Lights (cont'd)
Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140
Service Electric Parking Brake . . . 136
StabiliTrak OFF . . . . . . . . . . . . . . . . . . . 138
Tire Pressure . . . . . . . . . . . . . . . . . . . . . . 139
Traction Control System
(TCS)/StabiliTrak . . . . . . . . . . . . . . . . 138
Traction Off . . . . . . . . . . . . . . . . . . . . . . . 138
Locks
Automatic Door . . . . . . . . . . . . . . . . . . . . . 40
Delayed Locking . . . . . . . . . . . . . . . . . . . . 40
Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Lockout Protection . . . . . . . . . . . . . . . . . 41
Power Door . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Loss of Control . . . . . . . . . . . . . . . . . . . . . . 176
Low Fuel Warning Light . . . . . . . . . . . 140
Lower Anchors and Tethers for Children (LATCH System) . . . . . . . . . 99
Lumbar Adjustment . . . . . . . . . . . . . . . . . 64 Front Seats . . . . . . . . . . . . . . . . . . . . . . . . . . 64
M
MaintenanceRecords . . . . . . . . . . . . . . . . . . . . . . . . . . . . 336
Maintenance and Care Additional . . . . . . . . . . . . . . . . . . . . . . . . . 331
Maintenance Schedule . . . . . . . . . . . . . 326