2022 CADILLAC CT4 Owners Manual

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-15283641) -
2022 - CRC - 10/12/21
264 DRIVING AND OPERATING
Engine Sound
Engine sound adjusts the volume of
engine noise. The settings range from
quietest to loudest volume from
Stealth through Track.
–Stealth, Tour, Sport, Track
PTM (If Equipped)
PTM controls vehicle performance
systems for professional handling on
race tracks. Traction Control and
Stability Control are reduced when
moving through each of the settings.
Changing PTM settings may also
automatically change the other
subsystem settings. While driving on a
track, turn off all active safety
features. While driving on a track,
turn off applicable driver assistance
features. For more information, see
Assistance Systems for Driving0301.
For more information on PTM, see
Competitive Driving Mode 0264.
–Off, Wet, Dry, Sport, Race 1, Race 2
Competitive Driving Mode
To select this optional handling mode,
place the vehicle in Sport Mode and
press
gtwo times and the Driver Information Center (DIC) will display
COMPETITIVE MODE ON. While in
the Competitive Driving Mode, the
traction off light
iand StabiliTrak/
ESC OFF light
gwill come on in the
instrument cluster. Traction Control
System (TCS) does not limit wheel
spin, the Electronic Limited-Slip
Differential (eLSD) allows increased
vehicle agility, and more effort is
required to turn the steering wheel.
See “Limited-Slip Differential (V–Series
Only)” later in this section. Adjust
your driving accordingly.
Press
gagain, or turn the vehicle to
accessory mode and restart the
vehicle, to turn TCS back on. The
traction off light
iand StabiliTrak/
ESC OFF light
gwill go out.
Caution
When traction control is turned off,
or Competitive Driving Mode is
active, it is possible to lose traction.
Performance Traction
Management (PTM)
If equipped, PTM can be activated
through V-Mode customization or by
pressing the ESC switch twice while in
Track Mode. Depending on available
options and trim levels, it can also be
activated through a separate PTM
switch on the steering wheel.
To activate PTM through V-Mode
customization, select the desired PTM
state in the center stack (Settings >
Vehicle > Drive Mode Customization >
V-Mode). Press the V-Mode switch
once to activate V-Mode. When PTM
is configured, a message will appear in
the DIC “V-Mode Active –Press Again
for PTM On –ESC May be Disabled.”
To confirm and enter PTM, press the
V-Mode switch again. The PTM state
can now be modified using the MODE
switch or changing the V-Mode PTM
settings in the center stack. Both the
V-Mode and PTM indicators are
displayed. To exit PTM, press the ESC
switch. To cancel, press the center
dismiss button on the steering wheel
(V-Mode remains active).

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-15283641) -
2022 - CRC - 10/12/21
DRIVING AND OPERATING 265
If available, PTM can also be activated
through a PTM switch on the steering
wheel by pressing up on the switch.
From there a PTM menu will appear
in the DIC. Press up or down on the
PTM switch to scroll through the
options and make a selection. To exit
PTM, select INACTIVE in the PTM
menu, turn off PTM in the V-Mode
configuration page, or press the ESC
switch once.
Selecting PTM states may modify Off,
Wet, Dry, Sport, Race 1, and Race 2
V-Mode customization options.
In vehicles with a PTM steering wheel
switch, Inactive, Wet, Dry, Sport, Race
1, and Race 2 PTM states are available
through the moding menu.
In vehicles without a PTM steering
wheel switch, Wet, Dry, Sport, Race 1,
and Race 2 PTM states are available
through the moding menu.
The following is a DIC display
description and the recommended
usage of each mode:WET
.Intended for all driver skill levels.
.Wet or damp conditions only
—not
intended for use in heavy rain or
standing water.
.StabiliTrak/ESC is on and engine
power is reduced based on
conditions.
DRY
.For use by less experienced drivers
or while learning a new track.
.Dry conditions only.
.StabiliTrak/ESC is on and engine
power is slightly reduced.
SPORT
.For use by drivers who are familiar
with the track.
.Dry conditions only.
.Requires more driving skill
than DRY.
.StabiliTrak/ESC is on and more
engine power is available than
in DRY.
RACE 1
.For use by drivers who are familiar
with the track.
.Dry conditions only.
.Requires more driving skill than
modes DRY or SPORT.
.StabiliTrak/ESC is off and available
engine power is the same as SPORT.
RACE 2
.For use by experienced drivers who
are familiar with the track.
.Dry conditions only.
.Requires more driving skill than in
other modes.
.StabiliTrak/ESC is off and engine
power is available for maximum
cornering speed.
In any PTM Mode, Launch Control is
available. Use PTM Race 2 for the
most consistent performance during
drag strip use. See “Custom Launch
Control ”in Track Events and
Competitive Driving (V-Series and
V-Series Blackwing) 0213.
Launch Control
If equipped, Launch Control is
available within Competitive Driving
Mode and PTM to allow high levels of
vehicle acceleration in a straight line.
Launch Control is a form of traction
control that manages tire spin while

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-15283641) -
2022 - CRC - 10/12/21
266 DRIVING AND OPERATING
launching the vehicle. This feature is
intended for use during closed course
race events where consistent zero to
60 and quarter mile times are
desirable.
Launch Control is only available when
the following criteria are met:
.Competitive Driving Mode is
selected or any of the PTM modes
are selected. The traction off light
comes on in the instrument cluster
and the appropriate DIC message
displays.
.The vehicle is not moving.
.The steering wheel is pointing
straight.
Automatic Transmissions
.The brake pedal is firmly pressed to
the floor, equivalent to a panic
brake event.
.The accelerator pedal is rapidly
applied to wide open throttle. If the
vehicle rolls due to wide open
throttle, release the throttle, press
the brake pedal more firmly, and
reapply the accelerator to wide open
throttle.Launch Control will initially limit
engine speed as you rapidly apply the
accelerator pedal to wide open
throttle. Allow the engine rpm to
stabilize. A smooth, quick release of
the brake pedal, while maintaining the
fully pressed accelerator pedal, will
manage wheel slip.
After the vehicle is launched, the
system continues in Competitive
Driving Mode or PTM.
Competitive Driving Mode, PTM, and
Launch Control are systems designed
for a closed course race track and not
intended for public roads. The systems
are not intended to compensate for
lack of driver experience or familiarity
with the race track.
Limited-Slip Differential
If equipped, the Electronic
Limited-Slip Differential (eLSD) is
automatically activated. eLSD actively
monitors vehicle sensors and driver
inputs to determine the amount of
change for the conditions. With eLSD,
the vehicle has:
.Enhanced high-speed control.
.Improved traction through corners,
allowing more acceleration.
.More precise steering.
.Increased vehicle agility.
.Integration with StabiliTrak/
Electronic Stability Control (ESC).
For vehicles with eLSD, driven under
severe conditions, the rear axle fluid
should be changed. See Competitive
Driving Mode 0264 and
Maintenance Schedule 0408.
Cruise Control
{
Warning
Cruise control can be dangerous
where you cannot drive safely at a
steady speed. Do not use cruise
control on winding roads or in
heavy traffic.
Cruise control can be dangerous on
slippery roads. On such roads, fast
changes in tire traction can cause
excessive wheel slip, and you could
lose control. Do not use cruise
control on slippery roads.

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DRIVING AND OPERATING 267
With cruise control, a speed of about
40 km/h (25 mph) or more can be
maintained without keeping your foot
on the accelerator. Cruise control does
not work at speeds below about
40 km/h (25 mph).
If equipped with a manual
transmission, the cruise control will
remain active when the gears are
shifted. The cruise is disengaged if the
clutch is pressed for several seconds.
If the Traction Control/StabiliTrak/
Electronic Stability Control (ESC)
system begins to limit wheel spin
while using cruise control, the cruise
control automatically disengages. See
Traction Control/Electronic Stability
Control0257. If a collision alert
occurs when cruise control is
activated, cruise control is disengaged.
See Forward Collision Alert (FCA)
System 0301. When road conditions
allow cruise control to be safely used,
it can be turned back on.
Cruise control will disengage if either
TCS or StabiliTrak/ESC is turned off.
If the brakes are applied, cruise
control disengages.
J: Press to turn the system on and
off. A white indicator appears in the
instrument cluster when cruise is
turned on.
RES+ : If there is a set speed in
memory, press briefly to resume to
that speed or press and hold to
accelerate. If the cruise control is
already active, use to increase vehicle
speed. To increase speed by 1 km/h
(1 mph), press RES+ to the first detent.
To increase speed to the next 5 km/h
(5 mph) mark on the speedometer,
press RES+ to the second detent.
SET− :Press briefly to set the speed
and activate cruise control. If the
cruise control is already active, use to decrease vehicle speed. To decrease
speed by 1 km/h (1 mph), press SET−
to the first detent. To decrease speed
to the next 5 km/h (5 mph) mark on
the speedometer, press SET−
to the
second detent.
*: Press to disengage cruise control
without erasing the set speed from
memory.
Setting Cruise Control
If
Jis on when not in use, SET− or
RES+ could get pressed and go into
cruise when not desired. Keep
Joff
when cruise is not being used.
1. Press
J.
2. Get up to the desired speed.
3. Press and release SET−. The desired set speed briefly appears in the
instrument cluster.
4. Remove your foot from the accelerator.
When the cruise control has been set
to the desired speed, a green cruise
control indicator appears on the
instrument cluster and a cruise set
speed message appears on the
Head-Up Display (HUD), if equipped.

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-15283641) -
2022 - CRC - 10/12/21
268 DRIVING AND OPERATING
Resuming a Set Speed
If the cruise control is set at a desired
speed and then the brakes are applied
or
*is pressed, the cruise control is
disengaged without erasing the set
speed from memory.
Once the vehicle speed reaches about
40 km/h (25 mph) or more, press RES+
briefly. The vehicle returns to the
previous set speed.
Increasing Speed While Using
Cruise Control
If the cruise control system is already
activated:
.Press and hold RES+ until the
desired speed is reached, then
release it.
.To increase vehicle speed in small
increments, briefly press RES+ to
the first detent. For each press, the
vehicle goes about 1 km/h (1 mph)
faster.
.To increase vehicle speed in larger
increments, briefly press RES+ to
the second detent. For each press,
the vehicle speed increases to the
next 5 km/h (5 mph) mark on the
speedometer. The speedometer reading can be
displayed in either English or metric
units. See
Instrument Cluster (Base
Level) 089 or
Instrument Cluster (Uplevel) 091. The
increment value used depends on the
units displayed.
Reducing Speed While Using Cruise
Control
If the cruise control system is already
activated:
.Press and hold SET− until the
desired lower speed is reached, then
release it.
.To decrease the vehicle speed in
small increments, briefly press SET−
to the first detent. For each press,
the vehicle goes about 1 km/h
(1 mph) slower.
.To decrease the vehicle speed in
larger increments, briefly press
SET− to the second detent. For each
press, the vehicle speed decreases to
the next 5 km/h (5 mph) mark on
the speedometer. The cruise control system may
automatically brake to slow the
vehicle down.
The speedometer reading can be
displayed in either English or metric
units. See
Instrument Cluster (Base
Level) 089 or
Instrument Cluster (Uplevel) 091. The
increment value used depends on the
units displayed.
Passing Another Vehicle While
Using Cruise Control
Use the accelerator pedal to increase
the vehicle speed. When you take your
foot off the pedal, the vehicle will slow
down to the previous set cruise speed.
While pressing the accelerator pedal
or shortly following the release to
override cruise, briefly applying SET−
will result in cruise set to the current
vehicle speed.
Using Cruise Control on Hills
How well the cruise control will work
on hills depends upon the vehicle
speed, load, and the steepness of the
hills. When going up steep hills, you
might have to step on the accelerator
pedal to maintain your speed. When

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-15283641) -
2022 - CRC - 10/12/21
DRIVING AND OPERATING 269
going downhill, the cruise control
system may automatically brake to
slow the vehicle down. Also, you may
have to brake or shift to a lower gear
to keep your speed down. If the brake
pedal is applied, cruise control
disengages.
Ending Cruise Control
There are five ways to end cruise
control:
.Step lightly on the brake pedal.
.Press*.
.Shift the transmission to
N (Neutral).
.Press the clutch pedal for several
seconds or shift to Neutral (manual
transmissions).
.PressJ.
Erasing Speed Memory
The cruise control set speed is erased
from memory if
Jis pressed or if the
ignition is turned off.
Adaptive Cruise Control
(Advanced)
If equipped, Adaptive Cruise Control
(ACC) allows the cruise control set
speed and following gap to be
selected. Read this entire section
before using this system. The
following gap is the following time
between your vehicle and a vehicle
detected directly ahead in your path,
moving in the same direction. If no
vehicle is detected in your path, ACC
works like regular cruise control. ACC
uses camera and radar sensors. See
Radio Frequency Statement 0438.
If a vehicle is detected in your path,
ACC can speed up the vehicle or apply
limited, moderate braking to maintain
the selected following gap. To
disengage ACC, apply the brake. If the
Traction Control System (TCS) or
StabiliTrak/Electronic Stability Control
(ESC) system activates while ACC is
engaged, ACC may automatically
disengage. See Traction Control/
Electronic Stability Control 0257. When
road conditions allow ACC to be safely
used, ACC can be turned back on. ACC will not engage if the TCS or
StabiliTrak/ESC electronic stability
control system is disabled.
ACC can reduce the need for you to
frequently brake and accelerate,
especially when used on expressways,
freeways, and interstate highways.
When used on other roads, you may
need to take over the control of
braking or acceleration more often.
{Warning
ACC has limited braking ability and
may not have time to slow the
vehicle down enough to avoid a
collision with another vehicle you
are following. This can occur when
vehicles suddenly slow or stop
ahead, or enter your lane. Also see
“Alerting the Driver”
in this section.
Complete attention is always
required while driving and you
should be ready to take action and
apply the brakes. See Defensive
Driving 0210.

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-15283641) -
2022 - CRC - 10/12/21
270 DRIVING AND OPERATING
{Warning
ACC will not detect or brake for
children, pedestrians, animals,
or other objects.
Do not use ACC when:
.On winding and hilly roads or
when the sensors are blocked by
snow, ice, or dirt. The system
may not detect a vehicle ahead.
Keep the entire front of the
vehicle clean.
.Visibility is low, such as in fog,
rain, or snow conditions. ACC
performance is limited under
these conditions.
.On slippery roads where fast
changes in tire traction can
cause excessive wheel slip.
J:Press to turn the system on or
off. The indicator turns white on the
instrument cluster when ACC is
turned on.
RES+ : Press briefly to resume the
previous set speed or to increase
vehicle speed if ACC is already
engaged. To increase speed by 1 km/h
(1 mph), press RES+ to the first detent.
To increase speed to the next 5 km/h
(5 mph) mark on the speedometer,
press RES+ to the second detent.
SET– :Press briefly to set the speed
and activate ACC or to decrease
vehicle speed if ACC is already
engaged. To decrease speed by 1 km/h
(1 mph), press SET− to the first detent. To decrease speed to the next 5 km/h
(5 mph) mark on the speedometer,
press SET−
to the second detent.
*:Press to disengage ACC without
erasing the selected set speed.
[: Press to select a following gap
time (or distance) setting for ACC of
Far, Medium, or Near.
The speedometer reading can be
displayed in either English or metric
units. See Instrument Cluster (Base
Level) 089 or
Instrument Cluster (Uplevel) 091. The
increment value used depends on the
units displayed.
Switching Between ACC and
Regular Cruise Control
To switch between ACC and regular
cruise control, press and hold
*.
A Driver Information Display (DIC)
message displays. See Vehicle Messages
0 119.

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-15283641) -
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DRIVING AND OPERATING 271
ACC Indicator(Base Level)ACC Indicator (Uplevel)
Regular Cruise Control Indicator
When ACC is engaged, a green
o
indicator will be lit on the instrument
cluster. When the regular cruise
control is engaged, a green
J
indicator will be lit on the instrument
cluster and the following gap will not
display.
When the vehicle is turned on, the
cruise control mode will be set to the
last mode used before the vehicle was
turned off.
{Warning
Always check the cruise control
indicator on the instrument cluster
to determine which mode cruise
control is in before using the
feature. If ACC is not active, the
vehicle will not automatically brake
for other vehicles, which could
cause a crash if the brakes are not
applied manually. You and others
could be seriously injured or killed.
Setting Adaptive Cruise Control
If
ois on when not in use,
SET-/RES+ could be pressed by
mistake and activate ACC when not
desired. Keep
ooff when cruise is
not being used.
Select the set speed desired for ACC.
This is the vehicle speed when no
vehicle is detected in its path.
While the vehicle is moving, ACC will
not set at a speed below a minimum
speed, although it can be resumed.
If equipped with Super Cruise, this
minimum speed is 5 km/h (3 mph), otherwise, it is 25 km/h (15 mph). The
minimum allowable set speed is
25 km/h (15 mph).
To set ACC while moving:
1. Press
J.
2. Get up to the desired speed.
3. Press and release SET−.
4. Remove your foot from the accelerator.
After ACC is set, it may immediately
apply the brakes if a vehicle ahead is
detected closer than the selected
following gap.
ACC can also be set while the vehicle
is stopped if ACC is on and the brake
pedal is applied.
The ACC indicator displays on the
instrument cluster and Head-Up
Display (HUD), if equipped. When ACC
is turned on, the indicator will be lit
white. When ACC is engaged, the
indicator will turn green.
Be mindful of speed limits,
surrounding traffic speeds, and
weather conditions when selecting the
set speed.