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Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) -
2019 - crc - 1/23/19
222 DRIVING AND OPERATING
Turning the Systems Off and On
Caution
Do not repeatedly brake or
accelerate heavily when TCS is off.
The vehicle driveline could be
damaged.To turn off only TCS, press and
release
Y. The Traction Off lighti
displays in the instrument cluster and
the appropriate DIC message displays.
To turn TCS on again, press and
release
Y. The Traction Off lighti
displayed in the instrument cluster
will turn off.
To turn off both TCS and StabiliTrak/
ESC, press and hold
Yuntil the
Traction Off light
iand StabiliTrak/
ESC OFF light
gcome on and stay on
in the instrument cluster. The
appropriate DIC message displays.
To turn TCS and StabiliTrak/ESC on
again, press and release
Y. The
Traction Off light
iand StabiliTrak/
ESC OFF light
gin the instrument
cluster turn off.
Adding accessories can affect vehicle
performance. See Accessories and
Modifications 0290.
Driver Mode Control
Driver Mode Control attempts to add
a sportier feel, provide a more
comfortable ride, or assists in different
weather conditions or terrain. This
system simultaneously changes the
software settings of various
sub-systems to optimize driving
performance. Depending on the option
package, available features, and mode
selection; the Exhaust, Suspension,
Steering, Brakes, and Powertrain will
change settings to achieve the desired
mode characteristics. If the vehicle is
equipped with Magnetic Ride Control,
selecting the various Driver Modes
adjusts the ride of the vehicle to
enhance the ride performance for the
road conditions and the
selected mode.

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) -
2019 - crc - 1/23/19
DRIVING AND OPERATING 223
The Driver Mode Control has multiple
modes: Tour, Sport, Snow/Ice, and
Track. The Track Mode is available for
V-Series models only. All modes have
preset vehicle settings for use in
different driving conditions. For
further detail see“Mode Description ”.
To activate a mode, press
yorzon
the MODE switch to make a mode
selection in the instrument cluster.
Every press will scroll to the next
available mode. When a mode is
selected, a unique and persistent
indicator will display in the Driver
Information Center (DIC).
Mode Description
The following describes the modes
that can be selected in further detail.
Tour Mode
Use for normal city and highway
driving to provide a smooth, soft ride.
This setting provides a balanced
setting between comfort and handling.
This is the standard mode. For further
details on Tour Mode, see “Driver
Mode Selector Attributes Affected ”.
Sport Mode
Use where road conditions or personal
preference demand a more controlled
response.
When selected, the Sport Mode
indicator light will display in the
instrument cluster. In this mode, the vehicle monitors
driving behaviors and automatically
enables Performance Shift Features
when spirited driving is detected.
These features maintain lower
transmission gears to increase
available engine braking and improve
acceleration response. The vehicle will
exit these features and return to
normal operation after a short period
when no spirited driving is detected.
The steering including Active Rear
Steer (if equipped), will change to
provide more precise control. If the
vehicle has Magnetic Ride Control, the
suspension will change to provide
better cornering performance. If the
vehicle is equipped with AWD, Sport
Mode sends more torque to the rear
wheels.
For further details on Sport Mode, see
“Driver Mode Selector Attributes
Affected”.

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) -
2019 - crc - 1/23/19
224 DRIVING AND OPERATING
Snow/Ice Mode
Snow/Ice Mode is used for slippery
surfaces to help control wheel speed.
This can compromise the acceleration
on dry asphalt. Use when maximum
vehicle handling is desired. Snow/Ice
Mode will use a different accelerator
pedal map to optimize traction on a
slippery surface. The accelerator pedal
will reduce engine torque at small
pedal inputs.
When selected, the Snow/Ice Mode
indicator light will display in the
instrument cluster.This feature is not intended for use
when the vehicle is stuck in sand,
mud, ice, snow, or gravel. If the
vehicle becomes stuck, see
If the
Vehicle Is Stuck 0196.
If the vehicle is equipped with AWD,
Snow/Ice Mode will provide more
torque to the front wheels.
For further details on Snow/Ice Mode,
see “Driver Mode Selector Attributes
Affected”.
Track Mode (V-Series Only)
Use when maximum vehicle handling
is desired.
When selected, the Track Mode
indicator will display in the
instrument cluster.
When in Track Mode, the automatic
transmission and the accelerator pedal
is adjusted to give maximum control
during the highest level of spirited
driving. The Magnetic Ride Control
and steering will be set to the
optimum level for vehicle
responsiveness.

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) -
2019 - crc - 1/23/19
DRIVING AND OPERATING 225
Driver Mode Selector Attributes Affected
The different modes features are shown below. Not all vehicles have all features, depending on the vehicle options.Modes: TOUR DefaultSPORT TRACK SNOW/ICE
Throttle Progression Tour Tour Track Snow/Ice
Transmission Shift Mode Tour Sport Track Tour
Engine Sound Tour Sport Track Tour
Steering Tour Sport Track Tour
Suspension (if equipped with Magnetic Ride) Tour Sport Track Tour
Traction and Stability Control Tour Tour Track Tour
Throttle Progression
Adjusts throttle sensitivity by
selecting how quick or slow the
throttle reacts to input.
. Snow/Ice - The accelerator pedal
will reduce engine torque at small
pedal inputs. This allows better
wheel control on slippery surfaces.
. Track - The accelerator pedal is
adjusted to give maximum control
during the highest level of spirited
driving. Transmission Shift Mode
Sport or Track
–Performance Shift
Features are enabled in Sport and
Track. Performance Shift Features
include Performance Algorithm
Liftfoot and Performance Algorithm
Shift. Performance Algorithm Liftfoot
(PAL) allows the transmission to hold
the current gear after a quick release
of a heavily applied accelerator pedal.
This provides greater engine braking
and enhanced vehicle control without
using the paddles. Performance Algorithm Shift (PAS) recognizes
aggressive cornering, heavy braking,
and high acceleration to select and
hold lower gears when not using
paddles.
When PAL/PAS is activated, there is
an additional green gear symbol which
appears in the instrument cluster
display. See
Gear Shifting Light 0144.

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) -
2019 - crc - 1/23/19
226 DRIVING AND OPERATING
Engine Sound
Adjusts the volume of engine noise.
Adjusts the volume of engine noise
from quietest in Tour mode to most
robust in Track mode.
Steering
Adjusts from a lighter steering feel in
Tour Mode to reduced assist in Sport
and Track Mode for more
steering feel.
Suspension (if equipped with
Magnetic Ride)
Adjusts the shock dampening
firmness from a comfort tune in Tour
Mode to an optimized responsiveness
tune in Sport and Track.
Traction and Stability Control
StabiliTrak/Electronic Stability Control
(ESC) can be turned off by pressing
and holding the button for
five seconds.Driver Mode Customization
The Engine Sound Management,
steering, and suspension drive modes
can be set to the driver’s preference.
See
“Driving Mode ”under Vehicle
Personalization 0157.
When in the Track main vehicle mode,
you cannot overwrite the Steering or
Suspension settings. These settings
are designed to interact with the
advanced functions in the Track Mode
and cannot be overwritten.
The selections made in the Driving
Mode menu overwrite the main
vehicle mode selection via the buttons
or switch on the center console. In
order to customize and overwrite,
select one of the three settings by
touching the infotainment display.
When in the customization screen for
each system, select one of the
available options:
• Auto (Follows the MODE switch)
• Tour
• Sport
• Track (V-Series only) The default will be to follow the
vehicle MODE switch settings, but the
main vehicle mode selection for the
currently selected system can be
overwritten using this menu. The
settings selected in this menu will set
the vehicle behavior in all selected
vehicle modes, and will be retained
over each ignition cycle. They do not
have to be reset each time the vehicle
is started.
Locking Rear Axle
Vehicles with a limited-slip rear axle
can give more traction on snow, mud,
ice, sand, or gravel. When traction is
low, this feature allows the drive
wheel with the most traction to move
the vehicle. The limited-slip rear axle
also gives the driver enhanced control
when cornering hard or completing a
maneuver, such as a lane change. For
vehicles with limited-slip rear axle, the
rear axle fluid should be changed. See
Maintenance Schedule
0383.

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) -
2019 - crc - 1/23/19
228 DRIVING AND OPERATING
1. PressJ.
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.
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
(Uplevel) 0130 or
Instrument Cluster (Base Level) 0127.
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
(Uplevel) 0130 or

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) -
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DRIVING AND OPERATING 229
Instrument Cluster (Base Level)0127.
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
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 four ways to end cruise
control:
.
Step lightly on the brake pedal.
. Press
*.
. Shift the transmission to
N (Neutral).
. Press
J.
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
If equipped with Adaptive Cruise
Control (ACC), it allows for selecting
the cruise control set speed and
following gap. Read this entire section
before using this system. ACC uses a
camera and radar sensors to detect
other vehicles. See Radio Frequency
Statement 0411. The following gap is
the following time (or distance)
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.
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 0220. 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 is disabled.
{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
(Continued)

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) -
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230 DRIVING AND OPERATING
Warning (Continued)
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 0191.
{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.
(Continued)
Warning (Continued)
.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
(Uplevel) 0130 or
Instrument Cluster (Base Level) 0127.
The increment value used depends on
the units displayed.

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) -
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DRIVING AND OPERATING 231
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.
ACC IndicatorRegular Cruise
Control Indicator
When ACC is engaged, a green
\
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.
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 an accident if the brakes are
not applied manually. You and
others could be seriously injured or
killed.
Setting Adaptive Cruise Control
If
Jis on when not in use, it could
get pressed and go into ACC when not
desired. Keep
Joff 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 less than 25 km/h
(15 mph), although it can be resumed
when driving at lower speeds. 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.

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) -
2019 - crc - 1/23/19
232 DRIVING AND OPERATING
Be mindful of speed limits,
surrounding traffic speeds, and
weather conditions when selecting the
set speed.
Resuming a Set Speed
If ACC is set at a desired speed and
then the brakes are applied, ACC is
disengaged without erasing the set
speed from memory.
To begin using ACC again, press RES+
up briefly.
.If the vehicle is moving, it returns
to the previous set speed.
. If the vehicle is stopped with the
brake pedal applied, press RES+
and release the brake pedal. ACC
will hold the vehicle until RES+ or
the accelerator pedal is pressed.
A green ACC indicator and the set
speed display on the instrument
cluster. The vehicle ahead indicator
may be flashing if a vehicle ahead was
present and moved. See “Approaching
and Following a Vehicle ”later in this
section. Once ACC has resumed, if there is no
vehicle ahead, if the vehicle ahead is
beyond the selected following gap,
or if the vehicle has exited a sharp
curve, then the vehicle speed will
increase to the set speed.
Increasing Speed While ACC Is at a
Set Speed
Do one of the following:
.
Use the accelerator to get to the
higher speed. Press SET− and
release the accelerator pedal. The
vehicle will now cruise at the
higher speed.
When the accelerator pedal is
pressed, ACC will not brake
because it is overridden. The ACC
indicator will turn blue on the
instrument panel and heads up
display, if equipped
. Press and hold RES+ until the
desired set speed is displayed,
then release it.
. To increase speed in smaller
increments, press RES+ to the first
detent. For each press, the vehicle
goes 1 km/h (1 mph) faster. .
To increase speed in larger
increments, 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 set speed can also be increased
while the vehicle is stopped.
. If stopped with the brake applied,
press RES+ until the desired set
speed is displayed.
. If ACC is holding the vehicle at a
stop and there is another vehicle
directly ahead, pressing RES+ will
increase the set speed. Pressing
RES+ when there is no longer a
vehicle ahead will cause ACC to
resume.
Reducing Speed While ACC Is at a
Set Speed
Do one of the following:
. Use the brake to get to the desired
lower speed. Release the brake and
press SET−. The vehicle will now
cruise at the lower speed.