2023 CADILLAC LYRIC ECU

Cadillac Lyriq Owner Manual (GMNA-Localizing-U.S./Canada-15644413) -
2023 - CRC - 2/23/22
OnStar 401
PressQto connect to an
Advisor to:
.Verify account information
or update contact
information.
.Get driving directions.
.Receive a Diagnostic check
of the vehicle's key
operating systems.
.Receive Roadside Service.
.Manage Wi-Fi Settings,
if equipped.
Press
>to get a priority
connection to an OnStar
Advisor available 24/7 to:
.Get help for an emergency.
.Be a Good Samaritan or
respond to an AMBER Alert.
.Get assistance in severe
weather or other crisis
situations and find
evacuation routes.
OnStar Services
Emergency
Emergency Services require
an active safety and security
plan. With Automatic Crash
Response, built-in sensors can
automatically alert a specially
trained OnStar Advisor who is
immediately connected in to
the vehicle to help.
Press
>for a priority
connection to an OnStar
Advisor who can contact
emergency service providers,
direct them to your exact
location, and relay important
information.
With OnStar Crisis Assist,
specially trained Advisors are
available 24 hours a day,
7 days a week, to provide a
central point of contact,
assistance, and information
during a crisis. With Roadside Service,
Advisors can locate a nearby
service provider to help with a
flat tire or a battery jump.
Security
If equipped, OnStar provides
these services:
.With Stolen Vehicle
Assistance, OnStar Advisors
can use GPS to pinpoint the
vehicle and help authorities
quickly recover it.
.With Remote Ignition Block,
if equipped, OnStar can
block the vehicle from being
restarted.
.With Stolen Vehicle
Slowdown, if equipped,
OnStar can work with law
enforcement to gradually
slow the vehicle down.
Theft Alarm Notification
If equipped, if the doors are
locked and the vehicle alarm
sounds, a notification by text,
e-mail, or phone call will be
sent. If the vehicle is stolen, an

Cadillac Lyriq Owner Manual (GMNA-Localizing-U.S./Canada-15644413) -
2023 - CRC - 2/23/22
OnStar 405
Add-on Electrical
Equipment
The OnStar system is
integrated into the electrical
architecture of the vehicle. Do
not add any electrical
equipment. See Add-On
Electrical Equipment0306.
Added electrical equipment
may interfere with the
operation of the OnStar
system and cause it to not
operate.
Vehicle Software Updates
OnStar or GM may remotely
deliver software updates or
changes to the vehicle without
further notice or consent.
These updates or changes
may enhance or maintain
safety, security, or the
operation of the vehicle or the
vehicle systems. Software
updates or changes may
affect or erase data or
settings that are stored in the vehicle, such as saved
navigation destinations or
pre-set radio stations. Neither
OnStar nor GM is responsible
for any affected or erased
data or settings. These
updates or changes may also
collect personal information.
Such collection is described in
the OnStar privacy statement
or separately disclosed at the
time of installation. These
updates or changes may also
cause a system to
automatically communicate
with GM servers to collect
information about vehicle
system status, identify
whether updates or changes
are available, or deliver
updates or changes. An active
OnStar agreement constitutes
consent to these software
updates or changes and
agreement that either OnStar
or GM may remotely deliver
them to the vehicle.
Privacy
The complete OnStar Privacy
Statement may be found at
www.onstar.com (U.S.),
or www.onstar.ca (Canada).
We recommend that you
review it. If you have any
questions, call
1-888-4ONSTAR
(1-888-466-7827) or press
Q
to speak with an Advisor.
Users of wireless
communications are cautioned
that the privacy of any
information sent via wireless
cellular communications
cannot be assured. Third
parties may unlawfully
intercept or access
transmissions and private
communications without
consent.

Cadillac Lyriq Owner Manual (GMNA-Localizing-U.S./Canada-15644413) -
2023 - CRC - 2/23/22
408 Connected Services
Ensuring Security
.Change the default
passwords for the Wi-Fi
hotspot and myCadillac
mobile application. 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, tap the Wi-Fi
Hotspot icon on the
infotainment home 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,
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 energy
level, range or tire pressure,
if factory-equipped with the
Tire Pressure Monitor
System.
.Send destinations to the
vehicle.

Cadillac Lyriq Owner Manual (GMNA-Localizing-U.S./Canada-15644413) -
2023 - CRC - 2/23/22
410 INDEX
IndexA
Accessories andModifications . . . . . . . . . . . . . . . . 308
Accessory Power . . . . . . . . . . . 209
Adaptive Cruise Control . . . . . . . . . . . . . . 225
ForwardLighting (AFL) . . . . . . . . . . . . . . 143
Add-On Electrical Equipment . . . . . . . . . . . . . . . . . . . 306
Additional OnStar Information . . . . . . . 402
Adjustments Lumbar, Front Seats . . . . . . . . 41
Agreements Trademarks andLicense . . . . . . . . . . . . . . . . . . . . . . 182
Air Conditioning . . . . . . . . . . . . . . . . . 185
Filter, Passenger
Compartment . . . . . . . . . . . . . . 190
Vents . . . . . . . . . . . . . . . . . . . . . . . . . . . 189
Airbag System . . . . . . . . . . . . . . . . . 59 Check . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
How Does an Airbag
Restrain? . . . . . . . . . . . . . . . . . . . . . 64
Passenger Sensing System . . . . . . . . . . . . . . . . . . . . . . . . 66 Airbag System (cont'd)
What Makes an Airbag
Inflate? . . . . . . . . . . . . . . . . . . . . . . . . 64
What Will You See after an Airbag
Inflates? . . . . . . . . . . . . . . . . . . . . . . 65
When Should an Airbag
Inflate? . . . . . . . . . . . . . . . . . . . . . . . . 63
Where Are the Airbags? . . . . . . . . . . . . . . . . . . . . . . . 61
Airbags Adding Equipment to
the Vehicle . . . . . . . . . . . . . . . . . . . . 71
Passenger Status Indicator . . . . . . . . . . . . . . . . . . . . . 113
Readiness Light . . . . . . . . . . . . . . 112
Replacing System
Parts after a Crash . . . . . . . 72
Servicing Airbag-Equipped
Vehicles . . . . . . . . . . . . . . . . . . . . . . . 71
Alarm Vehicle Security . . . . . . . . . . . . . 26
Alert Lane Change . . . . . . . . . . . . . . . . 277
Rear Cross Traffic . . . . . . . . 269
Rear Pedestrian . . . . . . . . . . . 268

Cadillac Lyriq Owner Manual (GMNA-Localizing-U.S./Canada-15644413) -
2023 - CRC - 2/23/22
412 INDEX
CaliforniaPerchlorate Materials
Requirements . . . . . . . . . . . . . 308
California Proposition 65 Warning . . . . . . . . . . . . . . . . 1, 356
Camera Rear Vision (RVC) . . . . . . . . . . 257
Canadian Vehicle Owners . . . . 2
Capacities and Specifications . . . . . . . . . . . . . . . 383
Car Wash Mode . . . . . . . . . . . . . . . .211
Carbon Monoxide
Liftgate . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Winter Driving . . . . . . . . . . . . . . . 201
Cargo Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
Management System . . . . . . 97
Tie-Downs . . . . . . . . . . . . . . . . . . . . . 97
Caution, Danger, and Warning . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Center Console
Storage . . . . . . . . . . . . . . . . . . . . . . . . 95
Chains, Tire . . . . . . . . . . . . . . . . . . . 355
Charge Cord . . . . . . . . . . . . . . . . . . . . . . . . . . . . 291
Charge Cord Connected Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . .114
Charging . . . . . . . . . . . . . . . . . . . . . . . . 123 Charging (cont'd)
Delay Override . . . . . . . . . . . . . 289
Plug-In . . . . . . . . . . . . . . . . . . . . . . . . 285
Status Feedback . . . . . . . . . . 289
System Light . . . . . . . . . . . . . . . . 114
Utility Interruption . . . . . . . . 294
Wireless . . . . . . . . . . . . . . . . . . . . . . . 104
Child Restraints Infants and YoungChildren . . . . . . . . . . . . . . . . . . . . . . . 75
Lower Anchors and Tethers for Children . . . . . . 80
Older Children . . . . . . . . . . . . . . . . 73
Securing . . . . . . . . . . . . . . . . . . 88, 90
Systems . . . . . . . . . . . . . . . . . . . . . . . . 77
Child Safety Locks . . . . . . . . . . . . 20
Circuit Breakers . . . . . . . . . . . . . 325
Cleaning
Exterior Care . . . . . . . . . . . . . . . 364
Interior Care . . . . . . . . . . . . . . . . 369
Climate Control Systems
Dual Automatic . . . . . . . . . . . . . . 185
Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
Cluster, Instrument . . . . . . . . . . 108
Collision Damage Repair . . . . . . . . . . . . . . . . . . . . . . . . . 392
Compartment Underhood . . . . . . . . . . . . . . . . . . . 312 Compartments
Storage . . . . . . . . . . . . . . . . . . . . . . . . 94
Compass . . . . . . . . . . . . . . . . . . . . . . . . 102
Connected Services Connections . . . . . . . . . . . . . . . . 407
Diagnostics . . . . . . . . . . . . . . . . . . 409
Navigation . . . . . . . . . . . . . . . . . . . 407
Connections Connected Services . . . . . . 407
Control Traction and
Electronic Stability . . . . . . . 221
Control of a Vehicle . . . . . . . . . 196
Controls Steering Wheel . . . . . . . . . . . . . 152
Convex Mirrors . . . . . . . . . . . . . . . . 28
Cooling . . . . . . . . . . . . . . . . . . . . . . . . . . 185
Cooling System . . . . . . . . . . . . . . . 313
Cornering Lamps . . . . . . . . . . . . . 146
Courtesy Transportation
Program . . . . . . . . . . . . . . . . . . . . . . . 391
Cover Cargo . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
Cruise Control
Adaptive . . . . . . . . . . . . . . . . . . . . . 225
Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122
Super . . . . . . . . . . . . . . . . . . . . . . . . . 236

Cadillac Lyriq Owner Manual (GMNA-Localizing-U.S./Canada-15644413) -
2023 - CRC - 2/23/22
INDEX 413
Cupholders . . . . . . . . . . . . . . . . . . . . . . 95
Customer AssistanceOffices . . . . . . . . . . . . . . . . . . . . . . . . 386
Text Telephone (TTY)Users . . . . . . . . . . . . . . . . . . . . . . . . 387
Customer Information Publications Ordering
Information . . . . . . . . . . . . . . . . 394
Customer Satisfaction Procedure . . . . . . . . . . . . . . . . . . . 384
Cybersecurity . . . . . . . . . . . . . . . . 397
D
Damage Repair,
Collision . . . . . . . . . . . . . . . . . . . . . . . 392
Danger, Warning, and Caution . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Dashboard . . . . . . . . . . . . . . . . . . . . . . . . . 5
Data Collection Infotainment System . . . . . 399
OnStar . . . . . . . . . . . . . . . . . . . . . . . . 399
Data Recorders, Event . . . . 398
Daytime Running Lamps (DRL) . . . . . . . . . . . . . . . . . 142
Defensive Driving . . . . . . . . . . . . . 196
Delayed Charging Override . . . . . . . . . . . . . . . . . . . . . . 289
Delayed Locking . . . . . . . . . . . . . . . . 18 Destination . . . . . . . . . . . . . . . . . . . . . 164
Diagnostics
Connected Services . . . . . . 409
Digital Key . . . . . . . . . . . . . . . . . . . . . . . 20
Disabled Vehicle Transporting . . . . . . . . . . . . . . . . 359
Distracted Driving . . . . . . . . . . . . 195
Dome Lamps . . . . . . . . . . . . . . . . . . . 147
Door
Ajar Light . . . . . . . . . . . . . . . . . . . . . 122
Delayed Locking . . . . . . . . . . . . . . 18
Locks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Power Locks . . . . . . . . . . . . . . . . . . . 18
Drive Systems All-Wheel Drive . . . . . . . . . . . . . . 215
Drive Unit
Electric . . . . . . . . . . . . . . . . . . . . . . . . . 211
Driver Assistance Systems . . . . . . 255
InformationCenter (DIC) . . . . . . . . . . . . . . . . 132
Mode Control . . . . . . . . . . . . . . . 223
Mode Control Light . . . . . . . . 120
Teen . . . . . . . . . . . . . . . . . . . . . . . . . . . . 178
Driving
Assistance Systems . . . . . . 270
Characteristics andTowing Tips . . . . . . . . . . . . . . . 296 Driving (cont'd)
Defensive . . . . . . . . . . . . . . . . . . . . . 196
Hill and Mountain
Roads . . . . . . . . . . . . . . . . . . . . . . . 200
If the Vehicle is Stuck . . . . 202
Impaired . . . . . . . . . . . . . . . . . . . . . . . 196
Loss of Control . . . . . . . . . . . . . 198
Off-Road Recovery . . . . . . . . 198
One-Pedal . . . . . . . . . . . . . . . . . . . . 214
Vehicle Load Limits . . . . . . . 202
Wet Roads . . . . . . . . . . . . . . . . . . . 199
Winter . . . . . . . . . . . . . . . . . . . . . . . . . 201
Driving for Better Energy Efficiency . . . . . . . . . . . 193
Dual Automatic Climate
Control System . . . . . . . . . . . . 185
E
ElectricBrake Boost . . . . . . . . . . . . . . . . . . 216
Drive Unit . . . . . . . . . . . . . . . . . . . . . . 211
Parking Brake . . . . . . . . . . . . . . . 217
Parking Brake Light . . . . . . . 116
Electrical Equipment, Add-On . . . . . . . 306
Requirements for
Battery Charging . . . . . . . . 295

Cadillac Lyriq Owner Manual (GMNA-Localizing-U.S./Canada-15644413) -
2023 - CRC - 2/23/22
416 INDEX
Lamps (cont'd)Exterior Lamps Off
Reminder . . . . . . . . . . . . . . . . . . . . 142
Exterior Lighting Battery Saver . . . . . . . . . . . . . . 149
Flash-to-Pass . . . . . . . . . . . . . . . . 142
High/Low Beam Changer . . . . . . . . . . . . . . . . . . . . . 142
On Reminder . . . . . . . . . . . . . . . . . 122
Reading . . . . . . . . . . . . . . . . . . . . . . . 147
Lane Change Alert (LCA) . . . . . . . . 277
Keep Assist (LKA) . . . . . . . . . 280
Keep Assist Light . . . . . . . . . . . 117
Lap-Shoulder Belt . . . . . . . . . . . . . 54
LATCH System Replacing Parts after aCrash . . . . . . . . . . . . . . . . . . . . . . . . . . 88
LATCH, Lower Anchors and Tethers for
Children . . . . . . . . . . . . . . . . . . . . . . . . . 80
LED Lighting . . . . . . . . . . . . . . . . . . 323
Leveling Control Headlamp . . . . . . . . . . . . . . . . . . . . . 145
Liftgate . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Lighting Adaptive Forward . . . . . . . . . . 143
Entry . . . . . . . . . . . . . . . . . . . . . . . . . . . 147 Lighting (cont'd)
Exit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148
Illumination Control . . . . . . . . 146
LED . . . . . . . . . . . . . . . . . . . . . . . . . . . . 323
Lights Airbag Readiness . . . . . . . . . . . . 112
Antilock Brake System(ABS) Warning . . . . . . . . . . . . . . 117
Automatic Emergency Braking (AEB)
Disabled . . . . . . . . . . . . . . . . . . . . . 118
Automatic Vehicle Hold . . . . 117
Battery Fault . . . . . . . . . . . . . . . . 115
Brake System Warning . . . 115
Charge Cord Connected . . . . . . . . . . . . . . . . . . 114
Charging System . . . . . . . . . . . 114
Cruise Control Light . . . . . . . 122
Door Ajar . . . . . . . . . . . . . . . . . . . . . . 122
Driver Mode Control . . . . . . . 120
Electric Parking Brake . . . . 116
Gauges and Indicators . . . . 108
High-Beam On . . . . . . . . . . . . . . . . 121
Lane Keep Assist . . . . . . . . . . . . 117
Low State of Charge . . . . . . 114
One-Pedal Driving . . . . . . . . . . . 121
Seat Belt Reminders . . . . . . . 112
Security . . . . . . . . . . . . . . . . . . . . . . . . 121 Lights (cont'd)
Service Electric
Parking Brake . . . . . . . . . . . . . . 116
Service Vehicle Soon . . . . . . 115
StabiliTrak OFF . . . . . . . . . . . . . 119
Tire Pressure . . . . . . . . . . . . . . . . 120
Traction Control System
(TCS)/StabiliTrak . . . . . . . . . . 119
Traction Off . . . . . . . . . . . . . . . . . . 119
Vehicle Ready . . . . . . . . . . . . . . . . 121
Locks
Automatic Door . . . . . . . . . . . . . . . 19
Delayed Locking . . . . . . . . . . . . . . 18
Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Lockout Protection . . . . . . . . . . 19
Power Door . . . . . . . . . . . . . . . . . . . . 18
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Loss of Control . . . . . . . . . . . . . . . 198
Low State of Charge Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . .114
Low-Profile Tires . . . . . . . . . . . . 337
Lower Anchors and Tethers for Children
(LATCH System) . . . . . . . . . . . . . 80
Lumbar Adjustment . . . . . . . . . . . 41
Front Seats . . . . . . . . . . . . . . . . . . . . 41

Cadillac Lyriq Owner Manual (GMNA-Localizing-U.S./Canada-15644413) -
2023 - CRC - 2/23/22
INDEX 417
M
MaintenanceRecords . . . . . . . . . . . . . . . . . . . . . . . 381
Maintenance Schedule . . . . 376 Recommended Fluids
and Lubricants . . . . . . . . . . . 379
Maps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 163
Massage Seats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Media
Avoiding UntrustedDevices . . . . . . . . . . . . . . . . . . . . . . 160
Memory Seats . . . . . . . . . . . . . . . . . . 42
Messages Propulsion Power . . . . . . . . . . 135
Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . 134
Vehicle Speed . . . . . . . . . . . . . . . 136
Mirrors Automatic Dimming
Rearview . . . . . . . . . . . . . . . . . . . . . 30
Convex . . . . . . . . . . . . . . . . . . . . . . . . . 28
Folding . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Heated . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Interior Rearview . . . . . . . . . . . . 30
Manual Rearview . . . . . . . . . . . . 30
Power . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Rear Camera . . . . . . . . . . . . . . . . . . 30 Mode
Car Wash . . . . . . . . . . . . . . . . . . . . . . 211
Driver Control . . . . . . . . . . . . . . 223
Monitor System, Tire Pressure . . . . . . . . . . . . . . . . . . . . . 343
Multi-band Antenna . . . . . . . . . . 160
Multi-Point Vehicle Inspection (MPVI) . . . . . . . . . . .377
N
NavigationConnected Services . . . . . . 407
Destination . . . . . . . . . . . . . . . . . . . 164
Symbols . . . . . . . . . . . . . . . . . . . . . . . 164
Using the System . . . . . . . . . . 162
New Vehicle Break-In . . . . . . 206
O
Odometer . . . . . . . . . . . . . . . . . . . . . . . 110 Trip . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110
Off-Road Recovery . . . . . . . . . . . . . . . . . . . . . . 198
Older Children, Restraints . . . . . . . . . . . . . . . . . . . . . . 73
One-Pedal Driving . . . . . . . . . . . . 214
One-Pedal Driving Light . . . . .121
Online Account . . . . . . . . . . . . . . . 387
OnStar . . . . . . . . . . . . . . . . . . . . . . . . . . 399 Additional Information . . . 402 OnStar (cont'd)
Overview . . . . . . . . . . . . . . . . . . . . . 400
OnStar Emergency . . . . . . . . . . 401
OnStar Security . . . . . . . . . . . . . . 401
Outlets Power . . . . . . . . . . . . . . . . . . . . . . . . . . 102
Overview . . . . . . . . . . . . . . . . . . . . . . . . .151
Instrument Panel . . . . . . . . . . . . . . 5
Owner Checks and Services . . . . . . . . . . . . . . . . . . . . . . 378
P
ParkAssist . . . . . . . . . . . . . . . . . . 257, 260
Shifting Into . . . . . . . . . . . . . . . . . 209
Shifting Out of . . . . . . . . . . . . . . 210
Parking
Brake and P (Park)Mechanism Check . . . . . . . 320
Extended . . . . . . . . . . . . . . . . . . . . . 210
Parking Assist Automatic . . . . . . . . . . . . . . . . . . . . 262
Parking or Backing Assistance Systems . . . . . . . 257
Passenger Airbag Status Indicator . . . 113
Compartment Air
Filter . . . . . . . . . . . . . . . . . . . . . . . . . . 190