USB CADILLAC CT4 2021 Owner's Manual

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-14584335) -
2021 - CRC - 11/23/20
STORAGE 79
Rear Cupholders
Pull the armrest down to access the
rear cupholders.
Center Console Storage
If equipped, the SD card is used for
navigation. Do not remove the card
from the holder.
Press the button and lift to access the
storage area. There is an accessory
power outlet, two USB ports, and an
SD card slot inside. See Power Outlets
0 85 or
USB Port 0145.
If equipped, there is a removable
phone holder to store a phone and the
cord while charging.
Umbrella Storage
Slide a compact umbrella no larger
than 6 cm (2.36 in) in diameter into
the opening on the driver or
passenger door.

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-14584335) -
2021 - CRC - 11/23/20
134 INFOTAINMENT SYSTEM
Infotainment System
Introduction
Introduction . . . . . . . . . . . . . . . . . . . . . . 134
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . 135
Steering Wheel Controls . . . . . . . . . 137
Using the System . . . . . . . . . . . . . . . . . 137
Software Updates . . . . . . . . . . . . . . . . . 140
Radio
AM-FM Radio . . . . . . . . . . . . . . . . . . . . . 141
HD Radio Technology . . . . . . . . . . . . 143
Radio Data System (RDS) . . . . . . . . 143
Satellite Radio . . . . . . . . . . . . . . . . . . . . 144
Radio Reception . . . . . . . . . . . . . . . . . . 144
Multi-Band Antenna . . . . . . . . . . . . . 145
Audio Players
Avoiding Untrusted MediaDevices . . . . . . . . . . . . . . . . . . . . . . . . . . 145
USB Port . . . . . . . . . . . . . . . . . . . . . . . . . . 145
Bluetooth Audio . . . . . . . . . . . . . . . . . . 148
OnStar System
OnStar System . . . . . . . . . . . . . . . . . . . . 149
Navigation
Using the Navigation System . . . . 150
Maps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153
Navigation Symbols . . . . . . . . . . . . . . 154
Destination . . . . . . . . . . . . . . . . . . . . . . . 155 OnStar System . . . . . . . . . . . . . . . . . . . . 160
Global Positioning
System (GPS) . . . . . . . . . . . . . . . . . . . 161
Vehicle Positioning . . . . . . . . . . . . . . . 162
Problems with Route Guidance . . . . . . . . . . . . . . . . . . . . . . . . 162
If the System Needs Service . . . . . 163
Map Data Updates . . . . . . . . . . . . . . . 163
Database Coverage Explanations . . . . . . . . . . . . . . . . . . . . 163
Voice Recognition
Voice Recognition . . . . . . . . . . . . . . . . 163
Phone
Bluetooth (Overview) . . . . . . . . . . . . . 169
Bluetooth (Pairing and Using aPhone) . . . . . . . . . . . . . . . . . . . . . . . . . . . 170
Apple CarPlay and Android Auto . . . . . . . . . . . . . . . . . . . 174
Settings
Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . 176
Teen Driver . . . . . . . . . . . . . . . . . . . . . . . 184
Trademarks and License
Agreements
Trademarks and LicenseAgreements . . . . . . . . . . . . . . . . . . . . . 187
Introduction
Read the following pages to become
familiar with the features.
{Warning
Taking your eyes off the road for
too long or too often while using
any infotainment feature can cause
a crash. You or others could be
injured or killed. Do not give
extended attention to infotainment
tasks while driving. Limit your
glances at the vehicle displays and
focus your attention on driving. Use
voice commands whenever possible.
The infotainment system has built-in
features intended to help avoid
distraction by disabling some features
when driving. These features may gray
out when they are unavailable. Many
infotainment features are also
available through the instrument
cluster and steering wheel controls.
Before driving:
.Become familiar with the operation,
center stack controls, steering wheel
controls, and infotainment display.

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-14584335) -
2021 - CRC - 11/23/20
136 INFOTAINMENT SYSTEM
Infotainment Controls on the
Console with Navigation Shown,
Radio without Navigation Similar
1.e(Radio/AUX)
.Press to open the“Now
Playing” screen.
2.7(Seek)
.Radio: Press and release to go
to the previous station or
channel. Press and hold to
fast seek the next strongest
previous station or channel.
SeeAM-FM Radio 0141.
.USB/Bluetooth: Press to seek
to the beginning of the
current or previous track.
Press and hold to quickly
reverse through a track.
Release to return to playing
speed. See USB Port0145 or
Bluetooth Audio 0148.
3.n(Power/Volume) Knob
.Press to turn the power on.
.Press and hold when the
system is on to turn the
power off and display
the time.
.Press to mute/unmute the
system when on.
.Turn to decrease or increase
the volume.
4.6(Seek)
.Radio: Press and release to go
to the next station or channel.
Press and hold to fast seek
the next strongest station or
channel.
.USB/Bluetooth: Press to seek
the next track. Press and hold
to fast forward through a
track. Release to return to
playing speed. See USB Port
0 145 or
Bluetooth Audio 0148.
5.l(Navigation) or6(Phone)
.Presslto access the
navigation menu or press
6to
access the phone menu.
6. Primary Knob
.Turn to highlight a feature.
Press to activate the
highlighted feature.
.If equipped, move right/left or
up/down to change the
highlighted area on the
display screen.
7.6(Phone) or{(Home Page)
.Press6to access the phone
menu or press
{to access
the Home Page. See “Home
Page ”later in this section.
8.0(Back)
.Press to return to the previous
display in a menu.

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-14584335) -
2021 - CRC - 11/23/20
INFOTAINMENT SYSTEM 137
Home Page
The Home Page is where vehicle
application icons are accessed. Some
applications are disabled when the
vehicle is moving.
Swipe left or right across the display
to access the pages of icons.
Managing Home Page Icons1. Touch and hold any of the Home Page icons to enter edit mode.
2. Continue holding the icon and drag it to the desired position.
3. Release your finger to drop the icon in the desired position.
4. To move an application to another page, drag the icon to the edge of
the display toward the
desired page.
5. Continue dragging and dropping application icons as desired.
Steering Wheel Controls
The infotainment steering wheel
controls can be used to control the
infotainment features displayed in the
instrument cluster. When in Valet Mode, if equipped,
access to the infotainment functions
is disabled. See
“Valet Mode,”under
Vehicle Personalization 0117.
g:Press to answer an incoming call
or start voice recognition. See
Bluetooth (Overview) 0169 or
Bluetooth (Pairing and Using a Phone)
0 170.
c:Press to decline an incoming call
or end a current call. Press to mute or
unmute the infotainment system
when not on a call.
CorB: Press to go to the next or
previous favorite when listening to the
radio. Press to go to the next or
previous track when listening to a
media source.
SorT: Press to move between the
interactive displays in the instrument
cluster. Press
Sto go back to the
previous menu.
yorz: Use the thumbwheel to
scroll to the previous or next
selection.
V: Press the thumbwheel to open a
menu or select a menu item. Press
and hold to reset certain displays.
x+ orx– :Press to increase or
decrease the volume.
Using the System
Audio
Touch the Audio icon to display the
active audio source page. Examples of
available sources may include AM,
FM, SXM (if equipped), MyMedia,
USB, and Bluetooth.

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-14584335) -
2021 - CRC - 11/23/20
INFOTAINMENT SYSTEM 141
Radio
AM-FM Radio
Playing the Radio
Presseon the console controls or
touch the Audio icon on the Home
Page to display the active audio
source page. Choose the three most
recently used sources listed at the left
side of the display. Choose the More
option to display a list of available
sources. Examples of available sources
may include AM, FM, SXM (if
equipped), MyMedia, USB, AUX (if
equipped), and Bluetooth.
Infotainment System
Sound Menu
From any of the audio source main
pages, touch Sound to display the
following:
Equalizer : Touch to adjust Bass,
Midrange, Treble, and Surround (if
equipped) using the options on the
infotainment display. Fade/Balance :
Touch to adjust by
using the controls on the
infotainment display or by tapping/
dragging the crosshair.
Sound Mode (If Equipped)
.Bose Centerpoint surround sound
systems have four sound modes:
‐Normal: Adjusts the audio to
provide the best sound for all
seating positions.
‐ Driver: Adjusts the audio to
provide the best sound for the
driver.
‐ Rear: Adjusts the audio to provide
the best sound for the rear seat
occupants.
‐ Centerpoint: Turns on Bose
Centerpoint surround technology.
This setting creates a surround
sound from nearly any audio
source: existing stereo and MP3
players. For more information on
Bose Centerpoint surround
technology, see
www.boseautomotive.com.
Finding a Station
Seeking a Station
From the AM, FM, or SXM (if
equipped) option, press
7or6on
the console controls or from the AM
or FM menu, touch
7or6to search
for the previous or next strong station
or channel.
Browsing Stations
Touch the Browse option to list all
available stations or channels.
Navigate up and down through all
stations and channels by scrolling the
list. Touch the station you want to
listen to. Touch
Hto save the station
or channel as a favorite.

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-14584335) -
2021 - CRC - 11/23/20
INFOTAINMENT SYSTEM 145
SiriusXM Satellite Radio Service
If equipped, SiriusXM Satellite Radio
Service provides digital radio
reception. Tall buildings or hills can
interfere with satellite radio signals,
causing the sound to fade in and out.
In addition, traveling or standing
under heavy foliage, bridges, garages,
or tunnels may cause loss of the
SiriusXM signal for a period of time.
Some cellular services may interfere
with SXM reception causing loss of
signal.
Mobile Device Usage
Mobile device usage, such as making
or receiving calls, charging, or just
having the mobile device on may
cause static interference in the radio.
Unplug the mobile device or turn it
off if this happens.
Multi-Band Antenna
The roof antenna may be used for
radio, navigation, and OnStar,
depending on the equipped options.
Keep clear of obstructions for clearreception. If the vehicle has a sunroof,
and it is open, reception can also be
affected.
Audio Players
Avoiding Untrusted Media
Devices
When using media devices such as SD
cards, USB devices, and mobile
devices, consider the source.
Untrusted media devices could
contain files that affect system
operation or performance. Avoid use if
the content or origin cannot be
trusted.
USB Port
Audio stored on a USB device may be
listened to.
The vehicle may be equipped with two
USB ports in the center console under
the armrest. These ports are for data
and charging. There may also be two
USB ports for charging only at the rear
of the center console.
Caution
To avoid vehicle damage, unplug all
accessories and disconnect all
accessory cables from the vehicle
when not in use. Accessory cables
left plugged into the vehicle,
unconnected to a device, could be
damaged or cause an electrical
short if the unconnected end comes
in contact with liquids or another
power source such as the accessory
power outlet.
Playing from a USB
A USB mass storage device can be
connected to the USB port.
Audio extensions supported by the
USB may include:
.MP3
.AAC
.OGG
.3GP
Gracenote
When plugging in a USB device,
Gracenote service builds voice tags for
music. Voice tags allow artists, albums

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-14584335) -
2021 - CRC - 11/23/20
146 INFOTAINMENT SYSTEM
with hard to pronounce names, and
nicknames to be used to play music
through voice recognition, if equipped.
While indexing, infotainment features
may be available.
My Media Library
MyMedia is only available when more
than one indexed device is connected.
It allows access to content from all
indexed media sources. MyMedia will
show as an available source in the
Source page.
USB MP3 Player and USB Devices
The USB MP3 players and USB devices
connected must comply with the USB
Mass Storage Class specification
(USB MSC).
To play a USB device:1. Connect the USB.
2. Touch Audio from the Home Page.
3. Touch the More option and then touch the USB device.
Use the following when playing an
active USB source:
p: Touch to play the current media
source.
j: Touch to pause playback of the
current media source.
7:
.Touch to seek the beginning of the
current or previous track.
.Touch and hold to reverse quickly
through playback. Release to return
to playing speed. Elapsed time
displays.
6:
.Touch to seek the next track.
.Touch and hold to advance quickly
through playback. Release to return
to playing speed. Elapsed time
displays.
Shuff le : Touch the shuffle icon to
play music in random order.
USB Sound Menu
See “Infotainment System Sound
Menu ”under AM-FM Radio 0141.
USB Browse Menu
When a list of songs, albums, artists,
or other types of media displays, the
up and down arrows and A-Z appear on the left side. Select A-Z to view a
display that will show all letters of the
alphabet and select the letter to go to.
Touch the up and down arrows to
move the list up and down.
Touch Browse and the following may
display:
Playlists:
1. Touch to view the playlists stored on the USB.
2. Touch a playlist to view the list of all songs in that playlist.
3. Touch a song from the list to begin playback.
Supported playlist extensions are m3u
and pls.
Artists: 1. Touch to view the list of artists stored on the USB.
2. Touch an artist name to view a list of all albums by the artist.
3. To select a song, touch All Songs or touch an album and then touch a
song from the list.

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-14584335) -
2021 - CRC - 11/23/20
INFOTAINMENT SYSTEM 147
Songs:1. Touch to display a list of all songs on the USB.
2. To begin playback, touch a song from the list.
Albums: 1. Touch to view the albums on the USB.
2. Touch the album to view a list of all songs on the album.
3. Touch a song from the list to begin playback.
Genres: 1. Touch to view the genres on the USB.
2. Touch a genre to view a list of artists.
3. Touch an artist to view albums by that artist.
4. Touch an album to view songs on the album.
5. Touch a song to start playback. Composers:
1. Touch to view the composers on the USB.
2. Touch a Composer to view a list of albums by that composer.
3. Touch an album or All Songs to view a list of songs.
4. Touch a song from the list to begin playback.
Folders: 1. Touch to view the directories on the USB.
2. Touch a folder to view a list of all files.
3. Touch a file from the list to begin playback.
Podcasts : Touch to view the podcasts
on the connected Apple device and
get a list of podcast episodes.
Audiobooks:
1. Touch to view the audiobooks stored on the Apple device.
2. Touch an audiobook to get a list of chapters.
3. Touch the chapter from the list to begin playback. File System and Naming
File systems supported by the USB
may include:
.FAT32
.NTFS
.HFS+
The songs, artists, albums, and genres
are taken from the file’s song
information and are only displayed if
present. The radio displays the file
name as the track name if the song
information is not available.
Supported Apple Devices
To view supported devices, see
my.cadillac.com/learn.
Storing and Recalling Media
Favorites
To store media favorites, touch
Browse to display a list of media
types.

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-14584335) -
2021 - CRC - 11/23/20
148 INFOTAINMENT SYSTEM
Touch one of the following Browse
options to save a favorite:
Playlists :Touch
Hnext to any
playlist to store the playlist as a
favorite. Touch a saved favorite to
recall a favorite playlist. The first song
in the playlist begins to play.
Artists : Touch
Hnext to any artist
to store the artist as a favorite. Touch
a saved favorite to recall a favorite
artist. The first song in the artist list
begins to play.
Songs : Touch
Hnext to any song to
store the song as a favorite. Touch a
saved favorite to recall a favorite song.
Albums : Touch
Hnext to any
album to store the album as a
favorite. Touch a saved favorite to
recall a favorite album. The first song
in the album list begins to play.
Genres : Touch
Hnext to any genre
to store the genre as a favorite. Touch
a saved favorite to recall a favorite
genre. The first song of the genre
begins to play. Podcasts :
Touch
Hnext to any
podcast to store the podcast as a
favorite. Touch a saved favorite to
recall a favorite podcast. The podcast
begins to play.
Audiobooks : Touch
Hnext to any
audiobook to store the audiobook as a
favorite. Touch a saved favorite to
recall a favorite audiobook. The first
chapter in the audiobook begins
to play.
Media Playback and Mute
USB playback will be paused if the
system is muted. If the steering wheel
mute control is pressed again,
playback will resume.
If the source is changed while in
mute, playback resumes and audio
will unmute.
Bluetooth Audio
Music may be played from a paired
Bluetooth device. See Bluetooth
(Overview) 0169 or
Bluetooth (Pairing and Using a Phone)
0 170 for help pairing a device. Volume and song selection may be
controlled by using the infotainment
controls or the mobile device.
If Bluetooth is selected and no volume
is present, check the volume setting
on both your mobile device and the
infotainment system.
Music can be launched by touching
Bluetooth from the recent sources list
on the left of the display or by
touching the More option and then
touching the Bluetooth device.
To play music via Bluetooth:
1. Power on the device, and pair to connect the device.
2. Once paired, touch Audio from the Home Page, then touch Bluetooth
from the recent sources list on the
left of the display.
Bluetooth Sound Menu
See “Infotainment System Sound
Menu ”under AM-FM Radio 0141.
Manage Bluetooth Devices
From the Home Page: 1. Touch Audio.
2. Touch More.

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-14584335) -
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INFOTAINMENT SYSTEM 171
6. Select Yes on the smartphone toconfirm the pairing process.
A chime will sound when pairing
begins.
Multiple smartphones can be paired
using this technology.
Functionality varies by model and
region. Full functionality requires
compatible Bluetooth and
smartphone, as well as USB
connectivity for some devices.
Pairing a Phone 1. Make sure Bluetooth has been enabled on the cell phone before
the pairing process is started.
2. Touch the Phone icon on the Home Page or the phone icon on the
shortcut tray near the bottom of
the display.
3. Touch Phones at the top of the infotainment display. There is also
a Connect Phones option in the
middle of the Phone display which
will shortcut to the Phone
List menu.
4. Touch Add Phone. 5. Select the vehicle name shown on
the infotainment display from your
cell phone’s Bluetooth Settings list.
6. Follow the instructions on the cell phone to confirm the six-digit code
showing on the infotainment
display and touch Pair. The code on
the cell phone and infotainment
display will need to be
acknowledged for a successful pair.
7. Start the pairing process on the cell phone to be paired to the vehicle.
See the cell phone manufacturer's
user guide for information on this
process. Once the cell phone is
paired, it will show under
Connected.
8. If the vehicle name does not appear on your cell phone, there
are a few ways to start the pairing
process over:
.Turn the cell phone off and then
back on.
.Go back to the beginning of the
Phone menus on the
infotainment display and restart
the pairing process.
.Reset the cell phone, but this
step should be done as a last
effort.
9. If the cell phone prompts to accept connection or allow phone book
download, touch Always Accept
and Allow. The phone book may
not be available if not accepted.
10. Repeat Steps 1−8 to pair additional cell phones.
First to Connect Paired Phones
If multiple paired cell phones are
within range of the system, the
system connects to the paired cell
phone that is set as First to Connect.
To enable a paired cell phone as the
First to Connect phone: 1. Make sure the cell phone is turned on.
2. Touch Settings, then touch System.
3. Touch Phones to access all paired and all connected cell phones and
mobile devices.
4. Touch the information icon to the right of the cell phone to open the
cell phone’s settings menu.