2022 CADILLAC XT4 low oil pressure

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
15440907) - 2022 - CRC - 12/17/21
374 SERVICE AND MAINTENANCE
Footnotes—Maintenance Schedule
Additional Required Services -
Severe
(1) Vehicles with different size front
and rear tires do not have tire
rotation. See Tire Rotation0332.
(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.
(3) 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.
(4) Or every five years, whichever
comes first. See Cooling System0295. (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 0300.
(7) Or every 12 months, whichever
comes first. See Wiper Blade
Replacement 0303.
(8) Or every 10 years, whichever
comes first. See Gas Strut(s)0304.
(9) Replace air conditioning desiccant
every seven years.
Special Application
Services
.Severe Commercial Use Vehicles
Only: Lubricate chassis components
every oil change.
.Have underbody flushing service
performed. See "Underbody
Maintenance" in Exterior Care0357.
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-
15440907) - 2022 - CRC - 12/17/21
404 CONNECTED SERVICES
Connections
The following services help with
staying connected.
For coverage maps, see
www.onstar.com (U.S.) or
www.onstar.ca (Canada).
Ensuring Security
.Change the default passwords for
the Wi-Fi hotspot and myCadillac
mobile app. Make these passwords
different from each other and use a
combination of letters and numbers
to increase the security.
.Change the default name of the
SSID (Service Set Identifier). This is
your network’s name that is visible
to other wireless devices. Choose a
unique name and avoid family
names or vehicle descriptions.
Wi-Fi Hotspot (If Equipped)
The vehicle may have a built-in Wi-Fi
hotspot that provides access to the
Internet and web content at 4G LTE
speed. Up to seven mobile devices can
be connected. A data plan is required.
Use the in-vehicle controls only when
it is safe to do so. 1. To retrieve Wi-Fi hotspot
information, press
=to open the
OnStar app on the infotainment
display, then select Wi-Fi Hotspot.
On some vehicles, touch Wi-Fi or
Wi-Fi Settings on the screen.
2. The Wi-Fi settings will display the Wi-Fi hotspot name (SSID),
password, and on some vehicles,
the connection type (no Internet
connection, 3G, 4G, 4G LTE), and
signal quality (poor, good,
excellent). The LTE icon shows
connection to Wi-Fi. It is possible
that the icon may not illuminate
even though the vehicle has an
active connection.
3. To change the SSID or password, press
Qor call 1-888-4ONSTAR to
connect with an Advisor. On some
vehicles, the SSID and password
can be changed in the Wi-Fi
Hotspot menu.
After initial set-up, your vehicle’s
Wi-Fi hotspot will connect
automatically to your mobile devices.
Manage data usage by turning Wi-Fi
on or off on your mobile device, by
using the myCadillac mobile app, or by contacting an OnStar Advisor.
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 Service.

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
15440907) - 2022 - CRC - 12/17/21
412 INDEX
Lights (cont'd)Antilock Brake System (ABS)
Warning . . . . . . . . . . . . . . . . . . . . . . . . . 109
Brake System Warning . . . . . . . . . . . 108
Charging System . . . . . . . . . . . . . . . . . . 106
Check Engine (Malfunction Indicator) . . . . . . . . . . . . . . . . . . . . . . . . 106
Cruise Control . . . . . . . . . . . . . . . . . . . . . 114
Door Ajar . . . . . . . . . . . . . . . . . . . . . . . . . . 115
Driver Mode Control . . . . . . . . . . . . . . 112
Electric Parking Brake . . . . . . . . . . . . 108
Engine Coolant Temperature Warning . . . . . . . . . . . . . . . . . . . . . . . . . 112
Engine Oil Pressure . . . . . . . . . . . . . . . 113
Flash-to-Pass . . . . . . . . . . . . . . . . . . . . . . 131
Gear Shifting . . . . . . . . . . . . . . . . . . . . . . 109
High-Beam On . . . . . . . . . . . . . . . . . . . . 114
High/Low Beam Changer . . . . . . . . . 131
Lane Keep Assist . . . . . . . . . . . . . . . . . . 110
Low Fuel Warning . . . . . . . . . . . . . . . . 114
Seat Belt Reminders . . . . . . . . . . . . . . 104
Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
Service Electric Parking Brake . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
StabiliTrak OFF . . . . . . . . . . . . . . . . . . . 111
Tire Pressure . . . . . . . . . . . . . . . . . . . . . . 113
Traction Control System (TCS)/StabiliTrak . . . . . . . . . . . . . . . . 112 Lights (cont'd)
Traction Off . . . . . . . . . . . . . . . . . . . . . . . 111
Locks Automatic Door . . . . . . . . . . . . . . . . . . . . 18
Delayed Locking . . . . . . . . . . . . . . . . . . . 18
Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Lockout Protection . . . . . . . . . . . . . . . . 18
Power Door . . . . . . . . . . . . . . . . . . . . . . . . . 18
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Loss of Control . . . . . . . . . . . . . . . . . . . . . . 207
Low Fuel Warning Light . . . . . . . . . . . 114
Lower Anchors and Tethers for Children (LATCH System) . . . . . . . . . 72
Lumbar Adjustment . . . . . . . . . . . . . . . . . 40 Front Seats . . . . . . . . . . . . . . . . . . . . . . . . . 40
M
MaintenanceRecords . . . . . . . . . . . . . . . . . . . . . . . . . . . . 379
Maintenance and Care Additional . . . . . . . . . . . . . . . . . . . . . . . . . 374
Maintenance Schedule . . . . . . . . . . . . . 368
Recommended Fluids andLubricants . . . . . . . . . . . . . . . . . . . . . . . 377
Malfunction Indicator Lamp . . . . . . . 106
Manual Mode . . . . . . . . . . . . . . . . . . . . . . . 231
Map Data Updates . . . . . . . . . . . . . . . . . . 163
Maps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154 Massage
Seats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Media Avoiding Untrusted Devices . . . . . 147
Memory Seats . . . . . . . . . . . . . . . . . . . . . . . . 41
Messages Engine Power . . . . . . . . . . . . . . . . . . . . . 121
Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120
Vehicle Speed . . . . . . . . . . . . . . . . . . . . . 121
Mirror Rear Camera . . . . . . . . . . . . . . . . . . . . . . . 30
Mirrors Automatic Dimming . . . . . . . . . . . . . . . 29
Automatic Dimming Rearview . . . . 30
Convex . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Folding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Heated . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Manual Rearview . . . . . . . . . . . . . . . . . . 30
Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Tilt in Reverse . . . . . . . . . . . . . . . . . . . . . 29
Mirrors, Interior Rearview . . . . . . . . . . . 30
Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 237
Driver Control . . . . . . . . . . . . . . . . . . . . . 237
Monitor System, Tire Pressure . . . . . 327
Multi-band Antenna . . . . . . . . . . . . . . . . 147