2021 CADILLAC CT4 Owner's Manual

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-14584335) -
2021 - CRC - 11/23/20
176 INFOTAINMENT SYSTEM
4. Turn off Apple CarPlay orAndroid Auto.
Press
{on the center stack to return
to the Home Page.
Features are subject to change. For
further information on how to set up
Android Auto and Apple CarPlay in
the vehicle, see my.cadillac.com.
Android Auto is provided by Google
and is subject to Google’s terms and
privacy policy. Apple CarPlay is
provided by Apple and is subject to
Apple’s terms and privacy policy.
Data plan rates apply. For Android
Auto support and to see if your
phone is compatible, see
https://support.google.com/
androidauto. For Apple CarPlay
support and to see if your phone is
compatible, see www.apple.com/ios/
carplay/. Apple or Google may change
or suspend availability at any time.
Android Auto, Android, Google, Google
Play, and other marks are trademarks
of Google Inc.; Apple CarPlay is a
trademark of Apple Inc. Press
{on the center stack to exit
Android Auto or Apple CarPlay. To
enter back into Android Auto or Apple
CarPlay, press and hold
{on the
center stack.
Apple CarPlay and Android Auto can
be disabled from the infotainment
system. To do this, touch Home,
Settings, and then touch the Apps tab
along the top of the display. Use the
On/Off toggled to turn off Apple
CarPlay or Android Auto.
Settings
Certain settings can be managed in
the Owner Center sites when an
account is established, and may be
modified if other users have accessed
the vehicle or created accounts. This
may result in changes to the security
or functionality of the infotainment
system. Some settings may also be
transferred to a new vehicle,
if equipped. For instructions, in the
U.S. see my.cadillac.com or in Canada
see mycadillac.ca or moncadillac.ca. Refer to the User Terms and Privacy
Statement for important details. To
view, touch the Settings icon on the
Home Page of the infotainment
display.
The settings menu may be organized
into four categories. Select the desired
category by touching System, Apps,
Vehicle, or Personal.
To access the personalization menus:
1. Touch Settings on the Home Page on the infotainment display.
2. Touch the desired category to display a list of available options.
3. Touch to select the desired feature setting.
4. Touch the options on the infotainment display to disable or
enable a feature.
5. Touch
zto go to the top level of
the Settings menu.

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-14584335) -
2021 - CRC - 11/23/20
INFOTAINMENT SYSTEM 177
System
The menu may contain the following:
Time / Date
Use the following features to set the
clock:
.Automatic Time and Date: Touch
Off or On to enable or disable
automatic update of the time and
date. When this feature is on, the
time and date cannot be
manually set.
.Set Time: Touch to manually set the
time using the controls on the
infotainment display.
.Set Date: Touch to manually set the
date using the controls on the
infotainment display.
.Automatic Time Zone: If equipped,
touch Off or On to disable or enable
automatic update of the time zone
based on vehicle location. When
this feature is on, the time zone
cannot be manually set.
.Select Time Zone: Touch to
manually set the time zone. Touch
a time zone from the list.
.Use 24-hour Format: Touch to
specify the clock format shown.
Touch Off or On to disable or
enable.
Language
This will set the display language used
on the infotainment display. It may
also use the selected language for
voice recognition and audio feedback.
Touch Language and touch the
appropriate language.
Phones
Touch to connect to a different cell
phone or mobile device source,
disconnect a cell phone or media
device, or delete a cell phone or media
device.
Wi-Fi Networks
This will show connected and
available Wi-Fi networks.
If a 4G LTE data package is not active
on the vehicle, the infotainment
system can be connected to an
external protected Wi-Fi network,
such as a mobile device or home
hotspot, to utilize connected services. Wi-Fi Hotspot
Touch and the following may display:
.Wi-Fi Services: This allows devices
to use the vehicle hotspot.
Touch the controls on the
infotainment display to disable or
enable.
.Wi-Fi Name: Touch to change the
vehicle Wi-Fi name.
.Wi-Fi Password: Touch to change
the vehicle Wi-Fi password.
.Connected Devices: Touch to show
connected devices.
.Share Hotspot Data: Touch On to
allow devices to use the vehicle
hotspot and its data, or touch Off to
allow devices to only use the vehicle
hotspot but not its data.
Privacy
Touch and the following may display:
.Location Services: This setting
enables or disables sharing of
vehicle location outside the vehicle.
Emergency services will not be
affected when Off is selected.

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-14584335) -
2021 - CRC - 11/23/20
178 INFOTAINMENT SYSTEM
.Data Services: If equipped, this
setting determines if data sharing
can be used by features including
Wi-Fi, Hotspot, and applications.
Touch Off to disable data services.
Emergency services and phone calls,
such as calls with OnStar Advisors
or others, will not be affected when
Off is selected.
.Voice Recognition Sharing: This
setting determines if voice
commands can be shared with a
cloud-based voice recognition
system. Touch Off to prevent the
sharing and possible recording of
your voice commands with this
system. This may limit the system’s
ability to understand your voice
commands and may disable some
features.
.Types: This setting lists all
Android-defined as dangerous
permissions currently used by the
infotainment system, the number of
applications that have requested
this permission, and the number of
applications that are allowed to use
this permission.
.Used By Applications: This setting
lists all applications that are
requested or are using
Android-defined as dangerous
permissions. Only requested and
active permissions are shown.
Display
Touch and the following may display:
.Mode: This adjusts the appearance
of the navigation map view and any
downloaded apps optimized for day
or night time conditions. Set to
Auto for the display to
automatically adjust based on
bright/dark conditions.
Touch Auto, Day, or Night to adjust
the display.
.Calibrate Touchscreen: Touch to
calibrate the infotainment display
and follow the prompts.
.Turn Display Off: Touch to turn the
display off. Touch anywhere on the
infotainment display or press any
infotainment control on the center
stack again to turn the display on. Sounds
Touch and the following may display:
.Maximum Startup Volume: This
feature adjusts the maximum
volume of the infotainment system
when you start the vehicle. To set
the maximum startup volume,
touch the controls on the
infotainment display to increase or
decrease.
.Audio Cues: This feature determines
if sounds play when the
infotainment system starts up and
shuts down. This feature can be
turned off or on.
.Set Audio Cue Volume: This setting
controls the volume of Audio Cues
played on startup and shutdown.
Touch the controls on the
infotainment display to increase or
decrease.
.Audible Touch Feedback: This
setting determines if a sound plays
when touching the infotainment
display or radio controls. This
feature can be turned off or on.

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-14584335) -
2021 - CRC - 11/23/20
INFOTAINMENT SYSTEM 179
Voice
Touch and the following may display:
.Confirm More/Less: This setting
specifies how often the voice
recognition system confirms
commands. Touch Confirm More to
have the system check with you
more often before acting on your
commands.
.Prompt Length: This setting
specifies the amount of detail the
voice recognition system provides
when giving you feedback. Touch
Auto to have the system
automatically adjust to your speech
habits. Touch Informative, Short,
or Auto.
.Audio Feedback Speed: Touch Slow,
Medium, or Fast to adjust how
quickly the voice recognition system
speaks.
.Friendly Prompts: This setting
adjusts the formality of voice
prompts. Touch Off for shorter
prompts. Touch On to hear prompts
with more personality. Touch Auto
to have the prompt match your
command style.
.Tutorial Mode: Touch Off or On to
provide tutorial feedback on the
display.
.Allow Prompt Interruptions: This
setting controls whether voice
commands can be spoken before
voice prompts finish. Turn this on
to speak commands without hearing
the full prompt. Speaking while the
prompt is still playing will
immediately stop playing the
current prompt and recognize your
command. Background noise may
cause accidental interruptions.
Touch Off or On.
Favorites
Touch and the following may display:
.Manage Favorites: Touch to display
a list of Audio, Phone, and
Navigation favorites.
Favorites can be moved, renamed,
or deleted.
To move, touch and hold the
favorite, and then drag up or down
to rearrange the position.
.Set Number of Audio Favorites:
Touch to select how many favorites
pages can be viewed from the audio application. The Auto setting will
automatically adjust this number
based on the number of favorites
you have saved. Touch Auto, 5, 10,
15, 20, 25, 30, 35, or 40.
Updates
If equipped, the vehicle can download
and install select software updates
over a wireless connection. The
system will prompt for certain
updates to be downloaded and
installed. There is also an option to
check for updates manually.
To manually check for updates, touch
Settings on the Home Page and select
the System tab. Go to the Vehicle
Software section and touch Updates.
Follow the on-screen prompts. The
steps to check for, download, and
install updates may vary by vehicle.
The vehicle can be used normally
during the software download. Once
the download is complete, there may
be a prompt to accept the installation
of the update upon the next ignition
cycle or the next time the vehicle is
shifted into P (Park). For most
updates, the vehicle will be disabled
and cannot be driven during the

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-14584335) -
2021 - CRC - 11/23/20
180 INFOTAINMENT SYSTEM
installation. The system will deliver
messages indicating success or error
during and after the download and
installation processes.
Downloading Over-the-Air vehicle
software updates requires Internet
connectivity, which can be accessed
through the vehicle’s built-in 4G LTE
connection, if equipped and active.
If required, data plans are provided by
a third party. Optionally, a secure
Wi-Fi hotspot such as a compatible
mobile device hotspot, home hotspot,
or public hotspot can be used.
Applicable data rates may apply.
To connect the infotainment system
to a secured mobile device hotspot,
home hotspot, or public hotspot,
touch Settings on the Home Page,
select the System tab, followed by
Wi-Fi Networks. Select the appropriate
Wi-Fi network, and follow the
on-screen prompts. Download speeds
may vary.
On most compatible mobile devices,
activation of the Wi-Fi hotspot is in
the Settings menu under Mobile
Network Sharing, Personal Hotspot,
Mobile Hotspot, or similar.Availability of Over-the-Air software
updates varies by vehicle and country.
Features are subject to change. For
more information on this feature, see
my.cadillac.com/learn.
Preferences
Touch the controls on the
infotainment display to disable or
enable the download of new updates
in the background.
About
Touch to view the infotainment
system software information.
Running Applications
Touch to see a complete list of
applications that are currently
running on the infotainment system.
Return to Factory Settings
Touch and the following may display:
.Reset Vehicle Settings: Resets all
vehicle settings for the current user.
Touch Reset or Cancel.
.Erase Settings and Personal Data:
Erases app data settings, user
profiles, and personal data including
navigation and mobile device data.
Touch Erase or Cancel.
.Clear Default Applications: Resets
preferred applications that have
been set to open when selecting a
function. No application data will
be lost.
Touch Clear or Cancel.
Apps
The menu may contain the following:
Android Auto
This feature allows you to interact
directly with your mobile device on
the infotainment display. See
Apple
CarPlay and Android Auto 0174.
Touch the controls on the
infotainment display to disable or
enable.
Apple CarPlay
This feature allows you to interact
directly with your mobile device on
the infotainment display. See Apple
CarPlay and Android Auto 0174.
Touch the controls on the
infotainment display to disable or
enable.

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-14584335) -
2021 - CRC - 11/23/20
INFOTAINMENT SYSTEM 181
Apps
Touch and the following may display:
.Update Apps Automatically: This
allows downloaded applications to
be updated automatically.
Touch the controls on the
infotainment display to disable or
enable.
.About Apps: Touch to view the
versions of the apps software.
Audio
Depending on the current audio
source, different options will be
available.
Touch and the following may display:
.Tone Settings: Touch to adjust
Equalizer, Fade/Balance, or Sound
Mode. See “Infotainment System
Sound Menu ”in AM-FM Radio
0 141.
.Adaptive Volume: This feature
adjusts the volume based on the
vehicle speed.
Touch Off, Low, Medium-Low,
Medium, Medium-High, or High.
.Bose AudioPilot Noise
Compensation Technology (If
Equipped): This feature adjusts the
volume based on the noise in the
vehicle and the speed.
Touch Off or On.
.Manage Favorites: Touch to display
a list of Audio, Mobile Devices, and
Navigation favorites.
Favorites can be moved, renamed,
or deleted.
To move, touch and hold the
favorite, and then drag up or down
to rearrange the position.
.Set Number of Audio Favorites:
Touch to select how many favorites
pages can be viewed from the audio
application. The Auto setting will
automatically adjust this number
based on the number of favorites
you have saved. Touch Auto, 5, 10,
15, 20, 25, 30, 35, or 40.
.RDS: This allows the Radio Data
System (RDS) to be turned on or off.
Touch the controls on the
infotainment display to disable or
enable.
.HD Radio: This allows HD Radio
reception to be turned on or off.
Touch the controls on the
infotainment display to disable or
enable.
.Explicit Content Filter: This setting
allows access to explicit content
SiriusXM channels.
Touch Off or On.
.Manage Phones: Select to connect
to a different phone source,
disconnect a phone, or delete a
phone.
.Reset Music Index: This allows the
music index to be reset if you are
having difficulty accessing all of the
media content on your device.
Touch Yes or No.
Climate
Touch and the following may display:
.Auto Fan Speed: This setting
specifies the amount of airflow
when the climate control fan setting
is Auto Fan.
Touch Low, Medium, or High.

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-14584335) -
2021 - CRC - 11/23/20
182 INFOTAINMENT SYSTEM
.Air Quality Sensor: This setting
switches the system into
Recirculation Mode based on the
quality of the outside air.
Touch Off, Low Sensitivity, or High
Sensitivity.
.Auto Cooled Seats: This setting
automatically turns on and
regulates the ventilated seats when
the cabin temperature is warm.
Touch the controls on the
infotainment display to disable or
enable.
.Auto Heated Seats: This setting
automatically turns on and
regulates the heated seats when the
cabin temperature is cool. The auto
heated seats can be turned off by
using the heated seat controls on
the center stack.
Touch the controls on the
infotainment display to disable or
enable.
.Auto Defog: This setting
automatically turns the front
defogger on when the vehicle engine
is started.Touch the controls on the
infotainment display to disable or
enable.
.Auto Rear Defog: This setting
automatically turns the rear
defogger on when the vehicle engine
is started.
Touch the controls on the
infotainment display to disable or
enable.
.Ionizer: This setting purifies the air
in the interior of the vehicle..
Touch the controls on the
infotainment display to disable or
enable.
Navigation
Touch and the following may display:
.Destination Card Preferences
.Map Preferences
.Route Preferences
.Navigation Voice Control
.Traffic Preferences
.Alert Preferences
.Fuel Grade Preferences
.Manage History
.Predictive Navigation (if equipped)
.About See
Using the Navigation System 0150.
Phone
Touch and the following may display:
.My Number: Displays the cell phone
number of the Bluetooth connected
device.
.Active Call View: Shows active call
display when answering a call.
Touch the controls on the
infotainment display to disable or
enable.
.Privacy: Only show call alerts in the
instrument cluster.
Touch Off or On.
.Sort Contacts: Touch to sort by first
or last name.
.Re-sync Device Contacts: Allows the
device contacts to re-sync if you are
having difficulty accessing all of the
contacts on your cell phone.
.Delete All Vehicle Contacts: Touch
to delete all vehicle stored contacts.
.OnStar Phone TTY Mode: This
enables OnStar cell phone
TTY mode.
Touch Disable or Enable.

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-14584335) -
2021 - CRC - 11/23/20
INFOTAINMENT SYSTEM 183
SiriusXM
Touch and the following may display:
.Account Information: Displays the
account information and
subscription information.
.Listener Options: Based on the
current vehicle profile selected.
Touch and the following may
display:
.SiriusXM Favorites: Favorites
shown can be moved or deleted.
.Listener Settings: Selections
include hide explicit language,
channels and content, reset
listening history, and start songs
at the beginning when tuning to
a music channel.
.System Settings: Enable or disable
SiriusXM location services. Also
shows radio ID.
.Contact SiriusXM: Displays radio ID
and phone number to call SiriusXM
Customer Care.
.SiriusXM Policies: Shows
information on the Customer
Agreement and Privacy Policy.
Vehicle
This menu allows adjustment of
different vehicle features. SeeVehicle
Personalization 0117.
Personal
If equipped, this menu allows
adjustment of different user profile
settings. See “Users”in Using the
System 0137 for information on
setting up user profiles.
The menu may contain the following:
Name
Touch to edit your user name that will
be displayed in the vehicle.
Vehicle Account Information
Touch to view the vehicle account
information and to change the
account password.
An “unverified user account ”pop-up
will display until the account
information verification process has
been completed on the Internet.
Check your registered e-mail account
for an activation e-mail to complete
the verification process. Profile Picture
Touch to choose or change your
profile picture.
Profile Identifiers
Touch to have the vehicle recognize
the identifier you choose.
Touch Vehicle Key 1 and/or
Vehicle Key 2.
If the remote key is lost or stolen, see
your dealer.
Security
Touch to have your profile secured
with a Personal Identification
Number (PIN).
Touch No or Yes.
Vehicle Name
Touch to edit your vehicle name.
Vehicle Account
Touch to view the vehicle account
information and to change the
account password.