2021 CADILLAC CT4 audio

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-14584335) -
2021 - CRC - 12/4/20
INSTRUMENTS AND CONTROLS 89
.Info App. This is where the selected
Driver Information Center (DIC)
displays can be viewed. SeeDriver
Information Center (DIC) (Base Level)
0 107 or
Driver Information Center (DIC)
(Uplevel) 0110.
.Audio
.Navigation
.Phone
.Options
Audio
In the Audio menu browse for music,
select from the favorites, or change
the audio source. Use the thumbwheel
to change the station or go to the next
or previous track.
Navigation
If there is an active route, press the
thumbwheel to cancel or resume route
guidance, or turn the voice prompts
on or off. Phone
In the Phone menu, if there is no
active phone call, view recent calls,
or scroll through contacts. If there is
an active call, mute the phone or
switch to handset operation.
Options
Use the thumbwheel to scroll through
items in the Options menu.
Head-up Display (HUD) :
If equipped,
this feature allows for adjusting the
angle of the HUD image and changing
or turning off the Speed Limit Sign.
HUD Rotation (Uplevel): Press the
thumbwheel while Adjust Rotation is
highlighted to enter Adjust Mode.
Scroll to adjust the angle of the HUD
display. Press the thumbwheel to
confirm and save the setting. This
feature may only be available in
P (Park).
Speed Sign: If equipped, press the
thumbwheel while Speed Sign is
highlighted to turn it on or off.
Units : Choose US or metric units by
pressing the thumbwheel while the
desired item is highlighted. Info Page Options :
Press the
thumbwheel to select the items to be
displayed in the Info app. See Driver
Information Center (DIC) (Base Level)
0 107 or
Driver Information Center (DIC)
(Uplevel) 0110.
Display : Press the thumbwheel to
enter the Display menu. Select to turn
on or off the speedometer, time, fuel
range, or, if equipped, compass or
speed sign.
Speed Warning : The Speed Warning
display allows the driver to set a
warning at a speed that they do not
want to exceed. To set the Speed
Warning press the thumbwheel when
Speed Warning is displayed. Use the
thumbwheel to adjust the value and
press to set the speed.
Once the speed is set, this feature can
be turned off by pressing the
thumbwheel while viewing this page.
If the selected speed limit is exceeded,
a pop-up warning is displayed with a
chime.
Software Information : Displays open
source software information.

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-14584335) -
2021 - CRC - 12/4/20
INSTRUMENTS AND CONTROLS 91
.Info Tiles Selection/Trip Computer/
Maintenance: The selected Driver
Information Center (DIC) displays
can be viewed. SeeDriver
Information Center (DIC) (Base Level)
0 107 or
Driver Information Center (DIC)
(Uplevel) 0110.
.Performance (If Equipped)
.Driver Assistance
.Audio
.Phone
.Navigation
.Options
.Simplify
Performance
If equipped, press the thumbwheel to
enter the Performance menu. Scroll
through the available items.
Friction Bubble : A four quadrant
visual display, indicative of the four
corners of the car, with a “bubble”
showing where the most inertia is
being exerted on the vehicle. Performance Timer :
Press the
thumbwheel to enter the setup menu.
Use the thumbwheel to scroll to select
the desired speed segment, then press
the thumbwheel to enter the
submenu. Use the thumbwheel to
confirm the speed segment selection
or to reset the best time for that
segment. On the next acceleration, the
performance timer will record the
time. Pressing the thumbwheel while
the timer is running will cancel the
timer if done before reaching the end
of the segment.
Lap Timer : Press the thumbwheel
when Lap Timer is displayed to start,
stop, or reset the lap timer. Press the
thumbwheel while the Lap Timer page
is active to start the timer. If the lap
timer is active, pressing the
thumbwheel will stop the current lap
timer and start a new lap. Pressing the
thumbwheel within 10 seconds after
completing the last lap (Stop Lap
Timer option is displayed), the Lap
Timer will stop. Press the thumbwheel
after the lap timer is stopped to reset
the timer, or to view the lap history.
A maximum of 16 laps will be stored. Launch Control :
If equipped, the
Launch Control display allows the
driver to adjust the parameters of the
Launch Control System. See Track
Events and Competitive Driving (V-Series
Only) 0207.
Audio
In the Audio menu, use the
thumbwheel to scroll through audio
presets.
Phone
In the Phone menu, if there is no
active phone call, view recent calls,
or scroll through contacts. If there is
an active call, mute the phone or
switch to handset operation.
Navigation
If there is an active route, press the
thumbwheel to cancel or resume route
guidance, or turn the voice prompts
on or off.
Options
Use the thumbwheel to scroll through
items in the Options menu.

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-14584335) -
2021 - CRC - 12/4/20
INSTRUMENTS AND CONTROLS 113
Caution
If you try to use the HUD image as
a parking aid, you may misjudge
the distance and damage your
vehicle. Do not use the HUD image
as a parking aid.
The HUD information can be
displayed in various languages. The
speedometer reading and other
numerical values can be displayed in
either English or metric units.
The language selection is changed
through the radio and the units of
measurement is changed through the
instrument cluster. See Settings0176
and “Options” underInstrument Cluster
(Base Level) 088 or
Instrument Cluster (Uplevel) 090.
HUD Display on the Windshield
The HUD may display some of the
following vehicle information and
vehicle messages or alerts:
.Speed
.Audio
.Phone
.Navigation
.Performance
.Driver Assistance Features
.Vehicle Messages
Some vehicle messages or alerts
displayed in the HUD may be cleared
by using the steering wheel controls.
See Vehicle Messages 0116.
The HUD control is to the left of the
steering wheel.
To adjust the HUD image:
1. Adjust the driver seat.
2. Start the engine.
3. Use the following settings to adjust the HUD.
$:Press or lift to center the HUD
image. The HUD image can only be
adjusted up and down, not side
to side.
!: Press to select the display view.
Each press will change the
display view.
D: Lift and hold to brighten the
display. Press and hold to dim the
display. Continue to hold to turn the
display off.

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-14584335) -
2021 - CRC - 12/4/20
INSTRUMENTS AND CONTROLS 115
Metric
English
Track View : If equipped, this
displays digital speed, transmission
positions, Shift Timing Light Position,
gear shift indicator,
The shift timing lights at the top of
the display will appear with increases
in engine rpm. The rows of lights get
closer together as the shift point gets
closer. Shift the transmission before
the lights come together in the
display. Shift immediately if the lights are flashing. See
Manual Mode
(Electronic Shifter) 0235 or
Manual Mode (Mechanical Shifter)
0 234.
Temporary Overlays
Infotainment: Audio, Phone, and
Navigation are temporary overlays
linked to cluster layouts, and are also
manually selectable.
Metric
English
Audio/Phone Overlay : This displays
digital speed for Tour/ Sport, current
gear for Track, indicators from speed
view along with audio/phone information. The current radio station,
media type, and incoming calls will be
displayed.
All HUD views may briefly display
audio information when the driver
uses the steering wheel controls to
adjust the audio settings appearing in
the instrument cluster.
Incoming phone calls appearing in the
instrument cluster may also display in
any HUD view.
Metric
English

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
INFOTAINMENT SYSTEM 135
.Set up the audio by presetting
favorite stations, setting the tone,
and adjusting the speakers.
.Set up phone numbers in advance
so they can be called easily by
pressing a single control or by using
a single voice command.
See Distracted Driving 0203.
Active Noise Cancellation (ANC)
If equipped, ANC reduces engine noise
in the vehicle’s interior. ANC requires
the factory-installed audio system,
radio, speakers, amplifier (if
equipped), induction system, and
exhaust system to work properly.
Deactivation is required by your dealer
if related aftermarket equipment is
installed.
Overview
Infotainment System
The infotainment system is controlled
by using the infotainment display,
controls on the center console,
steering wheel controls, and voice
recognition.
1.O(Power and Mute) Knob
.When off, press theOknob to
turn the system on.
.Turn to decrease or increase
the volume.
.Press and hold to turn the
power off.
.Press to mute/unmute the
system when on.
.When the power is on and the
system is not muted, a quick
status pane will display when
the knob is pressed. Pressing
the knob will mute the system
and trigger this pane to show a long press is required to
actually power down the
system.
2.VKnob
.Turn to highlight a feature.
Press to activate the
highlighted feature.
3.{(Home Page)
.Press to go to the Home Page.
See
“Home Page ”later in this
section.
Press to exit Android Auto or
Apple CarPlay. To enter back
into Android Auto or Apple
CarPlay, press and hold. See
Apple CarPlay and Android
Auto 0174.
4.W(Near Field Communication)
.See “Near Field
Communication (NFC)” under
Bluetooth (Overview) 0169 or
Bluetooth (Pairing and Using a
Phone) 0170

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.