2021 CADILLAC CT5 cruise control

Cadillac CT5 Owner Manual (GMNA-Localizing-U.S./Canada-14584312) -
2021 - CRC - 11/23/20
DRIVING AND OPERATING 257
the brake lamps will come on. The
automatic braking may feel or sound
different than if the brakes were
applied manually. This is normal.
Passing a Vehicle While Using ACC
If the set speed is high enough, and
the left turn signal is used to pass a
vehicle ahead in the selected following
gap, ACC may assist by gradually
accelerating the vehicle prior to the
lane change.
{Warning
When using ACC to pass a vehicle
or perform a lane change, the
following distance to the vehicle
being passed may be reduced. ACC
may not apply sufficient
acceleration or braking when
passing a vehicle or performing a
lane change. Always be ready to
manually accelerate or brake to
complete the pass or lane change.Stationary or Very Slow-Moving
Objects
{Warning
ACC may not detect and react to
stopped or slow-moving vehicles
ahead of you. For example, the
system may not brake for a vehicle
it has never detected moving. This
can occur in stop-and-go traffic or
when a vehicle suddenly appears
due to a vehicle ahead changing
lanes. Your vehicle may not stop
and could cause a crash. Use
caution when using ACC. Your
complete attention is always
required while driving and you
should be ready to take action and
apply the brakes.
Irregular Objects Affecting ACC
ACC may have difficulty detecting the
following objects:
.Vehicles with cargo extending from
the back end.
.Non-standard shaped vehicles, such
as vehicle transport, vehicles with a
side car fitted, or horse carriages.
.Objects that are close to the front of
your vehicle.
ACC Automatically Disengages
ACC may automatically disengage and
you will need to manually apply the
brakes to slow the vehicle when:
.The sensors are blocked.
.The Traction Control System (TCS)
or StabiliTrak/ESC system has
activated or been disabled.
.There is a fault in the system.
.The radar falsely reports blockage
when driving in a desert or remote
area with no other vehicles or
roadside objects. A DIC message
may display to indicate that ACC is
temporarily unavailable.
The ACC indicator will turn white
when ACC is no longer active.
In some cases, when ACC will not
activate, regular Cruise Control may
be used. See “Switching Between ACC
and Regular Cruise Control ”previously
in this section. Always consider
driving conditions before using either
cruise control system.

Cadillac CT5 Owner Manual (GMNA-Localizing-U.S./Canada-14584312) -
2021 - CRC - 11/23/20
258 DRIVING AND OPERATING
Notification to Resume ACC
ACC will maintain a follow gap behind
a detected vehicle and slow your
vehicle to a stop behind that vehicle.
If the stopped vehicle ahead has
driven away and ACC has not
resumed, the vehicle ahead indicator
will flash as a reminder to check
traffic ahead before proceeding. In
addition, the left and right sides of the
Safety Alert Seat will pulse three
times, or three beeps will sound. See
“Alert Type”and “Adaptive Cruise Go
Notifier” in“Collision/Detection
Systems” underVehicle Personalization
0 123.
When the vehicle ahead drives away,
ACC resumes automatically if the stop
was brief. If necessary, press RES+ or
the accelerator pedal to resume ACC.
If stopped for more than two minutes
or if the driver door is opened and the
driver seat belt is unbuckled, the ACC
automatically applies the Electric
Parking Brake (EPB) to hold the
vehicle. The EPB status light will turn
on. See Electric Parking Brake 0238.
To release the EPB, press the
accelerator pedal. A DIC warning message may display
indicating to shift to P (Park) before
exiting the vehicle.
{Warning
If ACC has stopped the vehicle, and
if ACC is disengaged, turned off,
or canceled, the vehicle will no
longer be held at a stop. The vehicle
can move. When ACC is holding the
vehicle at a stop, always be
prepared to manually apply the
brakes.
{Warning
Leaving the vehicle without placing
it in P (Park) can be dangerous. Do
not leave the vehicle while it is
being held at a stop by ACC. Always
place the vehicle in P (Park) and
turn off the ignition before leaving
the vehicle.
ACC Override
If using the accelerator pedal while
ACC is active, the ACC indicator turns
blue on the instrument cluster and in the HUD (if equipped) to indicate that
automatic braking will not occur. ACC
will resume operation when the
accelerator pedal is not being pressed.
{Warning
The ACC will not automatically
apply the brakes if your foot is
resting on the accelerator pedal.
You could crash into a vehicle
ahead of you.
Curves in the Road
{Warning
On curves, ACC may not detect a
vehicle ahead in your lane. You
could be startled if the vehicle
accelerates up to the set speed,
especially when following a vehicle
exiting or entering exit ramps. You
could lose control of the vehicle or
crash. Do not use ACC while driving
on an entrance or exit ramp. Always
be ready to use the brakes if
necessary.

Cadillac CT5 Owner Manual (GMNA-Localizing-U.S./Canada-14584312) -
2021 - CRC - 11/23/20
260 DRIVING AND OPERATING
Driving in Narrow Lanes
Vehicles in adjacent traffic lanes or
roadside objects may be incorrectly
detected when located along the
roadway.
Do Not Use ACC on Hills and When
Towing a Trailer
Do not use ACC when driving on steep
hills or when towing a trailer. ACC will
not detect a vehicle in the lane while
driving on steep hills. If the brakes are
applied, ACC disengages.
Disengaging ACC
There are three ways to
disengage ACC:
.Step lightly on the brake pedal.
.Press*.
.PressJ.Erasing Speed Memory
The ACC set speed is erased from
memory if
Jis pressed or if the
ignition is turned off.
Weather Conditions Affecting ACC
System operation may be limited
under snow, heavy rain, or road spray
conditions.
Accessory Installations and Vehicle
Modifications
Do not install or place any object
around the front camera windshield
area that would obstruct the front
camera view.
Do not install objects on top of the
vehicle that overhang and obstruct the
front camera, such as a canoe, kayak,
or other items.
Do not modify the hood, headlamps,
or fog lamps, as this may limit the
camera’s ability to detect an object.
Cleaning the Sensing System
The camera sensor on the windshield
behind the rearview mirror and the
radar sensors on the front of the
vehicle can become blocked by snow, ice, dirt, or mud. These areas need to
be cleaned for ACC to operate
properly.
If ACC will not operate, regular Cruise
Control may be available. See
“Switching Between ACC and Regular
Cruise Control
”previously in this
section. Always consider driving
conditions before using either cruise
control system.
For cleaning instructions, see
“Washing the Vehicle ”under Exterior
Care 0372.
System operation may also be limited
under snow, heavy rain, or road spray
conditions.
Super Cruise
If equipped, Super Cruise can steer to
maintain lane position under certain
conditions on Super Cruise-enabled
roads that are separated from
opposing traffic.
Super Cruise can also steer to perform
a lane change under certain
conditions on Super Cruise-enabled
roads when a lane change is initiated
by the driver using the turn signal

Cadillac CT5 Owner Manual (GMNA-Localizing-U.S./Canada-14584312) -
2021 - CRC - 11/23/20
DRIVING AND OPERATING 261
lever. See“Super Cruise Lane Change ”
later in this section and Turn and
Lane-Change Signals 0135.
{Warning
Super Cruise can only assist to
maintain lane position, or steer to
change lanes, when driving on
compatible roads. You must
supervise the driving task and
monitor the road conditions. You
may need to respond to traffic
events by steering, braking,
or accelerating. See Defensive
Driving.
Super Cruise is:
.Not a self-driving system
.Not a crash avoidance or warning
system
.Not a substitute for proper
supervision of the driving task.
Super Cruise uses the following to
detect the current lane position and
lane markings ahead on compatible
roads under certain conditions:
.Cameras
.Global Positioning System (GPS)
sensing
.A high-precision map
.GPS-enhancement data downloaded
through Connected Services
Super Cruise works with Adaptive
Cruise Control (ACC), which controls
acceleration and braking while Super
Cruise is enabled and operating.
Review and understand both this
section and the ACC section before
using Super Cruise. See Adaptive
Cruise Control (Advanced) 0251.
An active Super Cruise service plan is
required to use Super Cruise.
{Warning
Super Cruise does not perform all
aspects of driving, nor does it do
everything a driver can do. Super
Cruise only steers to maintain
vehicle position in the current lane
or, under some circumstances, to
change lanes. Super Cruise can only
be used with Adaptive Cruise
Control. (Continued)
Warning (Continued)
Super Cruise does:
.Not prevent crashes or warn of
possible crashes.
.Not steer to avoid stopped or
slow-moving vehicles,
cross-traffic, construction
barriers or cones, motorcycles,
children, pedestrians, animals,
or other objects on the road.
.Not steer in response to vehicles
or objects next to your vehicle,
including vehicles attempting to
enter your lane.
.Not respond to traffic lights, stop
signs, or other traffic control
devices.
.Not respond to crossing traffic.
.Not make turns.
.Not steer to merge onto or to
exit highways.
.Not detect, steer to avoid,
or steer through construction
zones.
.Not function on surface streets.(Continued)

Cadillac CT5 Owner Manual (GMNA-Localizing-U.S./Canada-14584312) -
2021 - CRC - 11/23/20
262 DRIVING AND OPERATING
Warning (Continued)
.Not respond to crossing or
oncoming traffic.
.Not function in city driving
conditions.
{Warning
Some state and local laws may
require hands to be kept on the
steering wheel at all times. Only
remove your hands from the
steering wheel if Super Cruise is
engaged, it is safe to do so, and it is
permitted by state and local laws.
Failure to do so may result in a
crash involving serious injury or
death.
{Warning
Failure to supervise the driving task
and to respond appropriately, even
while Super Cruise is operating, can
cause a crash. Super Cruise may not(Continued)
Warning (Continued)
respond as you would to all driving
situations and may not maintain
lane position under all conditions.
It is extremely important to pay
attention to the operation of the
vehicle, even while using Super
Cruise. Do not use a hand-held
device while driving, even with
Super Cruise engaged. To prevent
serious injury or death:
.Always remain properly seated in
the driver seat with your seat
belt fastened.
.Never remove your hands from
the steering wheel when Super
Cruise is not operating.
.Always make sure traffic
conditions are safe before using
Super Cruise.
.Always keep the entire vehicle
and the sensors clean. Sensors
are on the front, sides, and rear
of the vehicle.(Continued)
Warning (Continued)
.Always observe posted speed
limits. Only use Super Cruise at
or below the posted speed limit.
Super Cruise should not be used in
complex or uncertain driving
conditions, including:
.Not in construction zones.
.Not when approaching or exiting
toll plazas.
.Not when approaching an
intersection that is controlled
with a traffic light, stop sign,
or other traffic control device.
.Not when lane markings are not
present or cannot be detected.
For example, there is too much
glare, weather conditions are
poor, or lanes are poorly marked.
.Not on slippery or icy roads.
.Not in adverse weather
conditions, including rain, sleet,
fog, ice, or snow.
.Not on winding or hilly roads.
.Not for city driving. (Continued)

Cadillac CT5 Owner Manual (GMNA-Localizing-U.S./Canada-14584312) -
2021 - CRC - 11/23/20
DRIVING AND OPERATING 263
Warning (Continued)
.Not during heavy or emergency
braking.
.Not on surface streets.
.Not on a road shoulder, service
drive, or under an elevated
freeway.
.Not in tunnels.
.Not when towing a trailer.
.Not in a highway exit lane.
When Super Cruise is Available
Super Cruise Indicator
Super Cruise is designed to operate
only when:
.ACC is on. See Adaptive Cruise
Control (Advanced) 0251.
.Teen Driver is not active.
.The GPS detects the vehicle is on a
compatible highway.
.Both the camera and the radar
sensors are functioning and not
covered, obstructed, or damaged.
.The Driver Attention System (DAS)
detects the driver's head and eyes
are directed toward the road.
.The lane markings are clearly visible
and able to be detected by the
system.
Poor Conditions
Poor Conditions Using Super Cruise
{Warning
To prevent serious injury or death:
.Always check that Super Cruise
is available
^before
pressing
].
.Only remove your hands from
the steering wheel if the steering
wheel light bar,
^, and\are
green. Super Cruise may not
begin steering immediately, even
when Super Cruise is available
and
]has been pressed.

Cadillac CT5 Owner Manual (GMNA-Localizing-U.S./Canada-14584312) -
2021 - CRC - 11/23/20
264 DRIVING AND OPERATING
To engage:
.PressJto turn on ACC. Make sure
the white
\indicator displays in
the instrument cluster. See Adaptive
Cruise Control (Advanced) 0251.
.When Super Cruise is available, the
white
^will display in the
instrument cluster.
.Press]. ACC will set the speed at
the current vehicle speed. If ACC
has a previously set speed, it may
resume at that speed.
.Super Cruise, when engaged, will
change Forward Collision System
customization to Alert and Brake.
When engaged and not steering the
vehicle, the steering wheel light
bar flashes blue, and
^will be blue.
The driver is in control of steering and
Super Cruise is not steering the
vehicle.
When the vehicle is positioned in the
center of the lane, the steering wheel
light bar and
^display will turn
green, indicating Super Cruise is
steering the vehicle. When Super Cruise controls the
steering, traffic and other conditions
and laws permit, and it is safe to do
so, your hands can be taken off the
steering wheel.
Always pay attention to the road and
the operation of the vehicle. Always
monitor and be attentive of
surrounding traffic, including vehicles
that may cross the road in front of
your vehicle.
Super Cruise steering can be
overridden with manual steering at
any time. When Super Cruise is
engaged, always be prepared to take
immediate action
—including
steering, accelerating, and braking
quickly, if necessary.
Steering Manually and Changing
Lanes
The vehicle can always be manually
steered, even with Super Cruise
engaged; for example, when changing
lanes. When the steering wheel is moved
manually, the steering wheel light bar
pulses blue and
^on the instrument
cluster turns blue to indicate Super
Cruise is not steering the vehicle.
When ready to allow Super Cruise to
resume steering again, position the
vehicle in the center of the lane, hold
the steering wheel until the steering
wheel light bar turns green, and then
release the steering wheel when it is
safe to do so.
Super Cruise does not respond to
vehicles in other lanes near your
vehicle.
{Warning
To help prevent crashes before
making a lane change:
.Always check mirrors.
.Glance over your shoulder.
.Use the turn signals.

Cadillac CT5 Owner Manual (GMNA-Localizing-U.S./Canada-14584312) -
2021 - CRC - 11/23/20
266 DRIVING AND OPERATING
.The Driver Attention System (DAS)
does not detect that the driver's
head and eyes are directed toward
the road.
.ACC is canceled.
.The vehicle is on a tight curve,
or the lanes are too wide, or the
vehicle goes into a curve too fast.
.The compatible road ends.
.The vehicle is approaching an
intersection controlled by a traffic
light, stop sign, or other traffic
control device.
.A Super Cruise system fault occurs.
Attention to the Road
{Warning
Super Cruise is a driver assistance
system and cannot accurately
detect or predict all situations.
Super Cruise is not a crash
avoidance system. To prevent
serious injury or death, you must
supervise the driving task and
monitor the road conditions. You
may need to respond to traffic
events by steering, braking, (Continued)
Warning (Continued)
or accelerating. SeeDefensive
Driving 0210. Super Cruise also
cannot determine whether you are
awake, asleep, impaired, or properly
focused on safe driving. The vehicle
could crash into other vehicles,
drive out of the lane, or drive off
the road. Complete attention is
always required while driving, even
while using Super Cruise. Be
prepared to take over steering or
apply the brakes at any time.
{Warning
To prevent serious injury or death,
be alert and pay special attention
when passing highway exits,
entrances, and crossings with Super
Cruise, and be ready to take control
of the vehicle when necessary.
Changes in lane markings around
exits and entrances can
momentarily cause Super Cruise to
not detect the correct lane. If this
(Continued)
Warning (Continued)
occurs, Super Cruise may attempt
steering inputs to bring the vehicle
back into the correct lane and, in
rare circumstances, could
over-correct and cause the vehicle
to momentarily cross into a lane
next to your vehicle unless you
manually steer to maintain your
lane position.
The Driver Attention System (DAS) on
the steering column continually
monitors driver head and eye position
to estimate driver attention to the
road. The camera does not record or
share pictures, audio, or video.
Sunglasses, hats, or other types of
clothing that change the shape of the
head may interfere with camera
performance. To improve camera
performance, raise or lower the
steering wheel, or change the seat
position.
Pay close attention to the road ahead
to avoid these three increasing alerts: