2023 CADILLAC XT4 brake

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
16412876) - 2023 - CRC - 3/25/22
Driving and Operating 283
ACC may occasionally provide
an alert and/or braking that is
considered unnecessary.
It could respond to vehicles in
different lanes, signs,
guardrails, and other
stationary objects when
entering or exiting a curve.
This is normal operation. The
vehicle does not need service.
Other Vehicle Lane Changes
ACC will not detect a vehicle
ahead until it is completely in
the lane. The brakes may need
to be manually applied.Objects Not Directly in Front
of Your Vehicle
The detection of objects in
front of the vehicle may not be
possible if:
.The vehicle or object ahead
is not within your lane.
.The vehicle ahead is shifted,
not centered, or is shifted to
one side of the lane.
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
Do not use ACC when driving
on steep hills as ACC may not
detect a vehicle ahead.
Do Not Use ACC When
Towing a Trailer
ACC should not be used when
towing a trailer.
Disengaging ACC
There are three ways to
disengage ACC:
.Step lightly on the brake
pedal.
.Press*.
.PressJ.
Erasing Speed Memory
The cruise control 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.

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
16412876) - 2023 - CRC - 3/25/22
Driving and Operating 285
Warning (Continued)
Under many conditions,
these systems will not:
.Detect children,
pedestrians, bicyclists,
or animals.
.Detect vehicles or objects
outside the area
monitored by the system.
.Work at all driving speeds.
.Warn you or provide you
with enough time to avoid
a crash.
.Work under poor visibility
or bad weather conditions.
.Work if the detection
sensor is not cleaned or is
covered by ice, snow, mud,
or dirt.
.Work if the detection
sensor is covered up, such
as with a sticker, magnet,
or metal plate.(Continued)
Warning (Continued)
.Work if the detection
sensor viewing zone is
interrupted by an installed
accessory, such as a bike
rack, or hitch mounted
cargo carrier.
.Work if the area
surrounding the detection
sensor is damaged or not
properly repaired.
Complete attention is
always required while
driving, and you should be
ready to take action and
apply the brakes and/or
steer the vehicle to avoid
crashes.
Audible or Safety Alert Seat
Some driver assistance
features alert the driver of
obstacles by beeping. To view
available settings for this
feature, touch the Settings
icon on the infotainment home
page. Select “Vehicle”to display the list of available
options and select
“Comfort
and Convenience”.
If equipped with the Safety
Alert Seat, the driver seat
cushion may provide a
vibrating pulse alert instead of
beeping. To view available
settings for this feature, touch
the Settings icon on the
infotainment home page.
Select “Vehicle” to display the
list of available options and
select “Collision/Detection
Systems”.
Cleaning
Depending on vehicle options,
keep these areas of the
vehicle clean to ensure the
best driver assistance feature
performance. Driver
Information Center (DIC)
messages may display when
the systems are unavailable or
blocked.

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
16412876) - 2023 - CRC - 3/25/22
Driving and Operating 291
TheXbutton is used to turn
on or off the Park Assist,
which also turns on or off the
Backing Warning and Reverse
Automatic Braking (RAB) at
the same time. When the
system is turned off, a system
off message is shown on the
display. This message
disappears after a short
period of time.
Turn off Park Assist when
towing a trailer to prevent
unwanted beeps and when a
bike rack is attached to ensure
proper operation.
When the System Does Not
Seem to Work Properly
If a service message displays,
check the following conditions:
.The sensors may not be
clean. Keep the vehicle's
front and rear bumpers free
of mud, dirt, snow, ice, and
slush. For cleaning
instructions, see Exterior
Care 0412.
.The Park Assist sensors may
be covered by frost or ice.
Frost or ice can form around
and behind the sensors and
may not always be seen; this
can occur after washing the
vehicle in cold weather. The
message may not clear until
the frost or ice has melted.
If a service message displays
and the above conditions do
not exist, take the vehicle to
your dealer for repairs.
If the Park Assist System does
not activate due to a
temporary condition, a system
off message is shown on the
display. This can occur under
the following conditions:
.The driver has disabled the
system.
.An object is currently
blocking the rear sensors
(for example, bike rack,
tailgate, trailer hitch, etc.).
Once the object is removed,
Park Assist will return to
normal operation.
.The bumper is damaged.
Take the vehicle to your
dealer for repairs.
.Other conditions, such as
vibrations from a
jackhammer or the
compression of air brakes on
a very large truck, are
affecting system
performance.
Automatic Parking
Assist (APA)
Automatic Parking Assist
(APA) with Braking
If equipped, under certain
conditions APA with Braking
can use sensors based on
sonar technology along the
vehicle’s front, rear and sides
to detect a parking spot, and
automatically park the vehicle
with some driver assistance.
The vehicle will automatically
maneuver into a detected spot
moving at or near idle speed.
It does this by automatically
steering and braking while the
driver is responsible for

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
16412876) - 2023 - CRC - 3/25/22
Driving and Operating 293
APA selects the nearest
empty parking spot behind the
vehicle, but under some
conditions may select a space
that is further back. Slow
down and bring the vehicle to
a complete stop to begin.
Follow the displayed
instructions. When instructed
to drive in reverse, shift to
R (Reverse) while holding the
brakes. The steering wheel will
vibrate briefly as a reminder to
remove hands from the
steering wheel. After the
vibration stops, check your
surroundings and release the
brakes to begin automatic
parking. As the vehicle
automatically steers, and
brakes into the parking spot,
check surroundings and
continue to apply acceleration
if necessary and shift gears as
needed. Be prepared to stop
to avoid vehicles, pedestrians,
or objects.A progress arrow displays the
status of the parking
maneuver. Once automatic
parking is finished and the
vehicle has come to a full stop,
APA will beep and display a
message indicating parking is
complete. Shift the vehicle to
P (Park) and apply the parking
brake
Automatic Parking
Automatic Unparking
How to Cancel Automatic
Parking
To cancel automatic parking or
automatic unparking at any
time, press
O. Be prepared to
resume full control of the
vehicle. APA holds the vehicle
until the parking brake or
brake is applied, or the vehicle
is shifted into P (Park). To start
driving away, press the brakes
and shift into D (Drive).
Certain vehicle conditions and
driver interferences may also
cancel automatic parking:
.The driver manually steers
the vehicle.

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
16412876) - 2023 - CRC - 3/25/22
294 Driving and Operating
.The maximum allowed speed
is exceeded.
.There is a failure with the
APA system.
.Electronic stability control or
antilock brakes are
activated.
.The parking brake is applied.
.Driver unbuckles the seat
belt and opens the door.
System Limitations
Automatic Parking Assist has
certain limitations. The system
cannot:
.Continue to operate if the
maneuver speed exceeds
5 km/h (3 mph).
.Detect whether a parking
space is legal or restricted.
.Detect pavement markings
or lines.
.Park the vehicle closely lined
up with the vehicle next to it,
particularly if the spot is
approached at an angle or if
the parking space is angled.
.Park exactly centered in a
very large spot.
.Always detect short curbs.
.Operate while towing any
trailer.
.Function the vehicle is raised
or lowered by air
suspension,if equipped.
When the System Does Not
Seem to Work Properly
If the vehicle does not reverse
into the expected parking
space, the system could be
maneuvering the vehicle into a
previously detected space.
Reverse Automatic
Braking (RAB)
Backing Warning and
Reverse Automatic
Braking (RAB)
If equipped, vehicles with
Adaptive Cruise Control (ACC)
have the Backing Warning
System and Reverse
Automatic Braking (RAB)
system. When in R (Reverse),
Backing Warning alerts of rear
objects at vehicle speeds
greater than 8 km/h (5 mph), and RAB may automatically
brake hard at speeds between
1–32 km/h (0.5–20 mph).
The Backing Warning System
will beep once from the rear
when an object is first
detected, or pulse twice on
both sides of the Safety Alert
Seat. When the system
detects a potential crash,
beeps will be heard from the
rear, or five pulses will be felt
on both sides of the Safety
Alert Seat. There may also be
a brief, sharp application of
the brakes.
{Warning
The Backing Warning
System only operates at
speeds greater than 8 km/h
(5 mph). It does not detect
children, pedestrians,
bicyclists, animals, or objects
below the bumper or that
are too close or too far from
the vehicle. In some
situations, such as at higher
(Continued)

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
16412876) - 2023 - CRC - 3/25/22
Driving and Operating 295
Warning (Continued)
backing speeds, there may
not be enough time for the
short, sharp application of
the vehicle brake system to
occur. To prevent injury,
death, or vehicle damage,
even with the Backing
Warning System, always
check the area around the
vehicle and check all mirrors
before backing.
When the vehicle is in
R (Reverse), if the system
detects the vehicle is backing
too fast to avoid a crash with
a detected object behind your
vehicle in your path, it may
automatically brake hard to a
stop to help avoid or reduce
the harm caused by a backing
crash.
{Warning
RAB may not avoid many
types of backing crashes. Do
not wait for the automatic
braking to apply. This
system is not designed to
replace driver braking and
only works in R (Reverse)
when an object is detected
directly behind the vehicle.
It may not brake or stop in
time to avoid a crash. It will
not brake for objects when
the vehicle is moving at very
low speeds. It does not
detect children, pedestrians,
bicyclists, animals, or objects
below the bumper or that
are too close or too far from
the vehicle. To prevent
injury, death, or vehicle
damage, even with RAB,
always check the area
around the vehicle before
and while backing. Pressing the brake pedal after
the vehicle comes to a stop
will release RAB. If the brake
pedal is not pressed soon
after the stop, the Electric
Parking Brake (EPB) may be
set. When it is safe, press the
accelerator pedal firmly at any
time to override RAB.
{Warning
There may be instances
where unexpected or
undesired automatic braking
occurs. If this happens,
either press the brake pedal
or firmly press the
accelerator pedal to release
the brakes from the RAB
system. Before releasing the
brakes, check the RVC and
check the area around the
vehicle to make sure it is
safe to proceed.

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
16412876) - 2023 - CRC - 3/25/22
296 Driving and Operating
Unexpected braking events
are possible with a static
installed accessory, such as a
bike rack or hitch-mounted
cargo carrier.
Rear Pedestrian Alert
If equipped, and under certain
conditions, this feature can
provide alerts for a pedestrian
within the system’s range
directly behind the vehicle.
This feature only works in
R (Reverse) below 12 km/h
(8 mph), and detects
pedestrians up to 8 m (26 ft)
away during daytime driving.
During nighttime driving,
feature performance is very
limited.
Rear Pedestrian AlertIndicator When a pedestrian is detected
within the system’s range
directly behind the vehicle, this
symbol flashes amber on the
infotainment display, along
with five beeps from the rear,
or if equipped, two pulses
from both sides of the driver
seat. When a pedestrian is
detected close to the vehicle,
the symbol flashes red on the
infotainment display, along
with ten beeps from the rear,
or if equipped, seven pulses
from both sides of the
driver seat.
{Warning
Rear Pedestrian Alert does
not automatically brake the
vehicle. It also does not
provide an alert unless it
detects a pedestrian, and it
may not detect all
pedestrians if:
(Continued)
Warning (Continued)
.The pedestrian is not
directly behind the vehicle,
fully visible to the Rear
Vision Camera (RVC),
or standing upright.
.The pedestrian is part of a
group.
.The pedestrian is a child.
.Visibility is poor, including
nighttime conditions, fog,
rain, or snow.
.The RVC is blocked by
dirt, snow, or ice.
.The RVC, taillamps,
or back-up lamps are not
cleaned or in proper
working condition.
.The vehicle is not in
R (Reverse).
To help avoid death or injury,
always check for
pedestrians around the
vehicle before backing up.
Be ready to take action and (Continued)

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
16412876) - 2023 - CRC - 3/25/22
Driving and Operating 297
Warning (Continued)
apply the brakes. See
Defensive Driving0230.
Keep the RVC, taillamps, and
back-up lamps clean and in
good repair.
Rear Pedestrian Alert can be
set to Off or Alert. To view
available settings from the
infotainment screen, touch
Settings > Vehicle > Collision/
Detection Systems > Rear
Pedestrian Detection.
If equipped, alerts can be set
to beeps or seat pulses. To
view available settings from
the infotainment screen, touch
Settings > Vehicle > Collision/
Detection Systems >
Alert Type.
Rear Cross Traffic
Alert (RCTA) System
If equipped, Rear Cross Traffic
Alert (RCTA) displays a red
warning triangle with a left or
right pointing arrow on the infotainment display to warn
of traffic coming from the left
or right. This system detects
objects coming from up to
20 m (65 ft) from the left or
right side of the vehicle. When
an object is detected, either
three beeps sound from the
left or right or three Safety
Alert Seat pulses occur on the
left or right side, depending on
the direction of the detected
vehicle.
Driving With a Trailer
Use caution while backing up
when towing a trailer. The
RCTA feature is automatically
disabled when a trailer is
attached to the vehicle.
Turning the Features On
or Off
To view available settings for
this feature, touch the
Settings icon on the
infotainment home page.
Select
“Vehicle” to display the
list of available options and
select “Collision/Detection
Systems”.
Assistance Systems
for Driving
If equipped, when driving the
vehicle in a forward gear,
Forward Collision Alert (FCA),
Lane Keep Assist (LKA), Side
Blind Zone Alert (SBZA), Lane
Change Alert (LCA), Automatic
Emergency Braking (AEB),
and/or the Front Pedestrian
Braking (FPB) System can help
to avoid a crash or reduce
crash damage.
Forward Collision
Alert (FCA) System
If equipped, the FCA system
may help to avoid or reduce
the harm caused by front-end
crashes. When approaching a
vehicle ahead too quickly, FCA
provides a red flashing alert
on the windshield and rapidly
beeps or pulses the driver
seat. FCA also lights an amber
visual alert if following another
vehicle much too closely.