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Cadillac CT5 Owner Manual (GMNA-Localizing-U.S./Canada-15268585) -
2022 - CRC - 10/11/21
DRIVING AND OPERATING 301
After completely passing a large
enough space, an audible beep occurs.
A red stop symbol and a shift to
reverse message are displayed.
If the vehicle is in R (Reverse), but
does not steer into the expected
space, this may be because the system
is maneuvering the vehicle into a
previously detected space. The APA
system does not need service.
APA will instruct the vehicle to stop
once a large enough space is found.
Follow the displayed instructions.
When instructed to drive in reverse,
shift to R (Reverse) to engage
automatic steering. The steering wheel
will vibrate briefly as a reminder to
remove hands from the steering
wheel. Check surroundings and
continue braking or accelerating asneeded, and be prepared to stop to
avoid vehicles, pedestrians, or objects.
If the vehicle exceeds 10 km/h
(6 mph), APA is automatically
disengaged.
A progress arrow displays the status
of the parking maneuver. Depending
on the space size, additional
maneuvers may be required, and there
will be additional instructions. When
changing gears, allow the automatic
steering to complete before continuing
the parking maneuver. APA will beep
and display a PARKING COMPLETE
message. Secure the vehicle against
rolling away by applying parking
brake.
APA may automatically disengage if:
.The steering wheel is used by the
driver.
.The maximum allowed speed is
exceeded.
.The parking brake is applied or the
vehicle is shifted into P (Park).
.There is a failure with the APA
system.
.Electronic stability control or
antilock brakes are activated.
.The driver opens the door with an
unbuckled seat belt.
The brake holds the vehicle until the
parking brake or brake is applied,
or the vehicle is shifted into P (Park).
To cancel APA, touch
Oagain.
When the System Does Not Seem to
Work Properly
The APA system may require a short
period of driving along curves to
calibrate.
Reverse Automatic
Braking (RAB)
Backing Warning and Reverse
Automatic Braking (RAB)
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).

Cadillac CT5 Owner Manual (GMNA-Localizing-U.S./Canada-15268585) -
2022 - CRC - 10/11/21
DRIVING AND OPERATING 303
Warning (Continued)
check the RVC and check the area
around the vehicle to make sure it
is safe to proceed.
Rear Pedestrian Alert
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 Alert Indicator
When a pedestrian is detected within
the system’s range directly behind the
vehicle, this symbol flashes amber on
the infotainment display, along with
two 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 seven
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:
.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.
(Continued)
Warning (Continued)
.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
apply the brakes. See Defensive
Driving 0217. Keep the RVC,
taillamps, and back-up lamps clean
and in good repair.
Rear Pedestrian Alert can be set to Off
or Alert. See “Rear Pedestrian
Detection ”in “Collision/Detection
Systems” underVehicle Personalization
0 126. If equipped, alerts can be set to
beeps or seat pulses. See “Alert Type”
in “Collision/Detection Systems” under
Vehicle Personalization 0126.

Cadillac CT5 Owner Manual (GMNA-Localizing-U.S./Canada-15268585) -
2022 - CRC - 10/11/21
DRIVING AND OPERATING 305
Detecting the Vehicle Ahead
FCA warnings will not occur unless
the FCA system detects a vehicle
ahead. When a vehicle is detected, the
vehicle ahead indicator will display
green. Vehicles may not be detected
on curves, highway exit ramps,
or hills, due to poor visibility; or if a
vehicle ahead is partially blocked by
pedestrians or other objects. FCA will
not detect another vehicle ahead until
it is completely in the driving lane.
{Warning
FCA does not provide a warning to
help avoid a crash, unless it detects
a vehicle. FCA may not detect a
vehicle ahead if the FCA sensor is
blocked by dirt, snow, or ice, or if
the windshield is damaged. It may
also not detect a vehicle on winding(Continued)
Warning (Continued)
or hilly roads, or in conditions that
can limit visibility such as fog, rain,
or snow, or if the headlamps or
windshield are not cleaned or in
proper condition. Keep the
windshield, headlamps, and FCA
sensors clean and in good repair.
Collision Alert
With Head-Up Display
Without Head-Up Display When your vehicle approaches
another detected vehicle too rapidly,
the red FCA display will flash on the
windshield. Also, eight rapid
high-pitched beeps will sound from
the front, or both sides of the Safety
Alert Seat will pulse five times. When
this Collision Alert occurs, the brake
system may prepare for driver braking
to occur more rapidly which can cause
a brief, mild deceleration. Continue to
apply the brake pedal as needed.
Tailgating Alert
The vehicle ahead indicator will
display amber when you are following
a vehicle ahead too closely.

Cadillac CT5 Owner Manual (GMNA-Localizing-U.S./Canada-15268585) -
2022 - CRC - 10/11/21
DRIVING AND OPERATING 307
vehicle ahead indicator light will be
on. SeeForward Collision Alert (FCA)
System 0304.
The system works when driving in a
forward gear between 8 km/h (5 mph)
and 80 km/h (50 mph), or on vehicles
with Adaptive Cruise Control (ACC),
above 4 km/h (2 mph). It can detect
vehicles up to approximately 60 m
(197 ft).
{Warning
AEB is an emergency crash
preparation feature and is not
designed to avoid crashes. Do not
rely on AEB to brake the vehicle.
AEB will not brake outside of its
operating speed range and only
responds to detected vehicles.
AEB may not:
.Detect a vehicle ahead on
winding or hilly roads.
.Detect all vehicles, especially
vehicles with a trailer, tractors,
muddy vehicles, etc. (Continued)
Warning (Continued)
.Detect a vehicle when weather
limits visibility, such as in fog,
rain, or snow.
.Detect a vehicle ahead if it is
partially blocked by pedestrians
or other objects.
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.
AEB may slow the vehicle to a
complete stop to try to avoid a
potential crash. If this happens, AEB
may engage the Electric Parking Brake
(EPB) to hold the vehicle at a stop.
Release the EPB or firmly press the
accelerator pedal.
{Warning
AEB may automatically brake the
vehicle suddenly in situations
where it is unexpected and
undesired. It could respond to a (Continued)
Warning (Continued)
turning vehicle ahead, guardrails,
signs, and other non-moving
objects. To override AEB, firmly
press the accelerator pedal, if it is
safe to do so.
Intelligent Brake Assist (IBA)
IBA may activate when the brake
pedal is applied quickly by providing a
boost to braking based on the speed
of approach and distance to a vehicle
ahead.
Minor brake pedal pulsations or pedal
movement during this time is normal
and the brake pedal should continue
to be applied as needed. IBA will
automatically disengage only when
the brake pedal is released.
{Warning
IBA may increase vehicle braking in
situations when it may not be
necessary. You could block the flow
of traffic. If this occurs, take your
foot off the brake pedal and then
apply the brakes as needed.

Cadillac CT5 Owner Manual (GMNA-Localizing-U.S./Canada-15268585) -
2022 - CRC - 10/11/21
308 DRIVING AND OPERATING
AEB and IBA can be disabled through
vehicle personalization. See“Collision/
Detection Systems” underVehicle
Personalization 0126.
{Warning
Using AEB or IBA while towing a
trailer could cause you to lose
control of the vehicle and crash.
Turn the system to Alert, or if the
vehicle has ACC to Off, when
towing a trailer.
A system unavailable message may
display if:
.The front of the vehicle or
windshield is not clean.
.Heavy rain or snow is interfering
with object detection.
.There is a problem with the
StabiliTrak/Electronic Stability
Control (ESC) system.
The AEB system does not need
service.
Front Pedestrian Braking
(FPB) System
If equipped, the FPB system may help
avoid or reduce the harm caused by
front-end crashes with nearby
pedestrians when driving in a
forward gear. FPB displays an amber
indicator,
~, when a nearby
pedestrian is detected ahead. When
approaching a detected pedestrian too
quickly, FPB provides a red flashing
alert on the windshield and rapidly
beeps or pulses the driver seat. FPB
can provide a boost to braking or
automatically brake the vehicle. This
system includes Intelligent Brake
Assist (IBA), and the Automatic
Emergency Braking (AEB) System may
also respond to pedestrians. See
Automatic Emergency Braking (AEB)
0 306.
The FPB system can detect and alert
to pedestrians in a forward gear at
speeds between 8 km/h (5 mph) and
80 km/h (50 mph). During daytime
driving, the system detects
pedestrians up to a distance of approximately 40 m (131 ft). During
nighttime driving, system performance
is very limited.
{Warning
FPB does not provide an alert or
automatically brake the vehicle,
unless it detects a pedestrian. FPB
may not detect pedestrians,
including children:
.When the pedestrian is not
directly ahead, fully visible,
or standing upright, or when part
of a group.
.Due to poor visibility, including
nighttime conditions, fog, rain,
or snow.
.If the FPB sensor is blocked by
dirt, snow, or ice.
.If the headlamps or windshield
are not cleaned or in proper
condition.
Be ready to take action and apply
the brakes. For more information,
see Defensive Driving 0217. Keep
the windshield, headlamps, and FPB
sensor clean and in good repair.

Cadillac CT5 Owner Manual (GMNA-Localizing-U.S./Canada-15268585) -
2022 - CRC - 10/11/21
312 DRIVING AND OPERATING
does not need to be serviced. The
system may light up due to guardrails,
signs, trees, shrubs, and other
non-moving objects. This is normal
system operation; the vehicle does not
need service.
LCA may not operate when the LCA
sensors in the left or right corners of
the rear bumper are covered with
mud, dirt, snow, ice, or slush, or in
heavy rainstorms. For cleaning
instructions, see "Washing the
Vehicle" underExterior Care0399.
If the DIC still displays the system
unavailable message after cleaning
both sides of the vehicle toward the
rear corners of the vehicle, see your
dealer.
If the LCA displays do not light up
when moving vehicles are in the side
blind zone or are rapidly approaching
this zone and the system is clean, the
system may need service. Take the
vehicle to your dealer.
Radio Frequency Information
See Radio Frequency Statement 0440.
Lane Keep Assist (LKA)
If equipped, LKA may help avoid
crashes due to unintentional lane
departures. This system uses a camera
to detect lane markings. LKA may be
ready to assist at speeds between
80 km/h (50 mph) and 180 km/h
(112 mph). LKA may assist by gently
turning the steering wheel if the
vehicle approaches a detected lane
marking. It may also provide a Lane
Departure Warning (LDW) alert if the
vehicle unintentionally crosses a
detected lane marking. This system is
not intended to keep the vehicle
centered in the lane. LKA will not
assist or alert if the turn signal is
active in the direction of lane
departure, or if it detects that you are
accelerating, braking, or actively
steering. LKA can be overridden by
turning the steering wheel. If the
system detects you are steering
intentionally across a lane marker, the
LDW will not be given. Do not expect
the LDW to occur when you are
intentionally crossing a lane marker.{Warning
The LKA system does not
continuously steer the vehicle.
It may not keep the vehicle in the
lane or give a Lane Departure
Warning (LDW) alert, even if a lane
marking is detected.
The LKA and LDW systems
may not:
.Provide an alert or enough
steering assist to avoid a lane
departure or crash.
.Detect lane markings under poor
weather or visibility conditions.
This can occur if the windshield
or headlamps are blocked by dirt,
snow, or ice; if they are not in
proper condition; or if the sun
shines directly into the camera.
.Detect road edges.
.Detect lanes on winding or hilly
roads.
If LKA only detects lane markings
on one side of the road, it will only
assist or provide an LDW alert (Continued)

Cadillac CT5 Owner Manual (GMNA-Localizing-U.S./Canada-15268585) -
2022 - CRC - 10/11/21
314 DRIVING AND OPERATING
Steer the vehicle to dismiss. LKA may
become temporarily unavailable after
repeated take steering alerts.
When the System Does Not
Seem to Work Properly
The system performance may be
affected by:
.Close vehicles ahead.
.Sudden lighting changes, such as
when driving through tunnels.
.Banked roads.
.Roads with poor lane markings,
such as two-lane roads.
If the LKA system is not functioning
properly when lane markings are
clearly visible, cleaning the windshield
may help.
A camera blocked message may
display if the camera is blocked. Some
driver assistance systems may have
reduced performance or not work at
all. An LKA or LDW unavailable
message may display if the systems
are temporarily unavailable. This
message could be due to a blocked camera. The LKA system does not
need service. Clean the outside of the
windshield behind the rearview mirror.
LKA assistance and/or LDW alerts
may occur due to tar marks, shadows,
cracks in the road, temporary or
construction lane markings, or other
road imperfections. This is normal
system operation; the vehicle does not
need service. Turn LKA off if these
conditions continue.Surround Vision Recorder
If equipped, this system records the
360° camera views to an SD card. Only
images are recorded, no sound. An SD
card will be needed for this system.
The recommended SD card is a 32GB
SDHC card with FAT32 file system,
Class 10 and over.Insert an SD card into the card reader
in the trunk. Disable the system from
the playback screen before removing
the SD card from the reader. Do not
remove the card while recording is
enabled. This could corrupt the video
file and/or the SD card.
Other files should not be stored on
the same SD card as the surround
vision recorder files. Storing other files
on the same card may increase
recording start up and playback time
or result in a loss of data.

Cadillac CT5 Owner Manual (GMNA-Localizing-U.S./Canada-15268585) -
2022 - CRC - 10/11/21
318 DRIVING AND OPERATING
Warning (Continued)
.Keep children away from the fuel
pump and never let children
pump fuel.
.Before touching the fill nozzle,
touch a metallic object to
discharge static electricity from
your body.
.Fuel can spray out if the fill
nozzle is inserted too quickly.
This spray can happen if the
tank is nearly full, and is more
likely in hot weather. Insert the
fill nozzle slowly and wait for any
hiss noise to stop before
beginning to flow fuel.
If equipped, the fuel door unlocks
when the vehicle doors are unlocked.
See Remote Keyless Entry (RKE) System
Operation 07.
To open the fuel door, push and
release the rearward center edge of
the door.
The capless refueling system does not
have a fuel cap. Fully insert and latch
the fill nozzle, begin fueling.
{Warning
Overfilling the fuel tank by more
than three clicks of a standard fill
nozzle may cause:
.Vehicle performance issues,
including engine stalling and
damage to the fuel system.
.Fuel spills.
(Continued)
Warning (Continued)
.Under certain conditions, fuel
fires.
Be careful not to spill fuel. Wait
five seconds after you have finished
pumping before removing the fill
nozzle. Clean fuel from painted
surfaces as soon as possible. See
Exterior Care 0399. Push the fuel door
closed until it latches.
{Warning
If a fire starts while you are
refueling, do not remove the fill
nozzle. Shut off the flow of fuel by
shutting off the pump or by
notifying the station attendant.
Leave the area immediately.
Filling the Tank with a Portable Fuel
Container
If the vehicle runs out of fuel and
must be filled from a portable fuel
container:

Cadillac CT5 Owner Manual (GMNA-Localizing-U.S./Canada-15268585) -
2022 - CRC - 10/11/21
DRIVING AND OPERATING 325
Ask your dealer for trailering
information or assistance.
Towing Equipment
Hitches
Always use the correct hitch
equipment for your vehicle.
Crosswinds, large trucks going by, and
rough roads can affect the trailer and
the hitch.
Never attach rental hitches or other
bumper-type hitches. Only use
frame-mounted hitches that do not
attach to the bumper.
Always seal any holes in your vehicle
if the trailer hitch removed. If not
sealed, dirt, water, and carbon
monoxide (CO) from the exhaust may
enter your vehicle. SeeEngine Exhaust
0 245.
Consider using mechanical sway
controls with any trailer. Ask a
trailering professional about sway
controls or refer to the trailer
manufacturer's recommendations and
instructions.
Tires
.Do not tow a trailer while using a
compact spare tire on the vehicle.
.Tires must be properly inflated to
support loads while towing a trailer.
See Tires 0367 for instructions on
proper tire inflation.
Safety Chains
Always attach chains between the
vehicle and the trailer, and attach the
chains to the holes on the trailer hitch
platform. Instructions about safety
chains may be provided by the hitch
manufacturer or by the trailer
manufacturer.
Cross the safety chains under the
tongue of the trailer to help prevent
the tongue from contacting the road if
it becomes separated from the hitch.
Always leave just enough slack so the
combination can turn. Never allow
safety chains to drag on the ground.
Trailer Brakes
Loaded trailers over 450 kg (1,000 lb)
must be equipped with brake systems
and with brakes for each axle. Trailer
braking equipment conforming to Canadian Standards Association (CSA)
requirement CAN3-D313, or its
equivalent, is recommended.
State or local regulations may require
trailers to have their own braking
system if the loaded weight of the
trailer exceeds certain minimums that
can vary from state to state. Read and
follow the instructions for the trailer
brakes so they are installed, adjusted,
and maintained properly. Never
attempt to tap into your vehicle's
hydraulic brake system. If you do,
both the vehicle anti-lock brakes and
the trailer brakes may not function,
which could result in a crash.
Turn Signals When Towing a
Trailer
When properly connected, the trailer
turn signals will illuminate to indicate
the vehicle is turning, changing lanes,
or stopping. When towing a trailer,
the arrows on the instrument cluster
will illuminate even if the trailer is not
properly connected or the bulbs are
burned out.

Cadillac CT5 Owner Manual (GMNA-Localizing-U.S./Canada-15268585) -
2022 - CRC - 10/11/21
VEHICLE CARE 327
Vehicle Care
General Information
General Information . . . . . . . . . . . . . 328
California Perchlorate MaterialsRequirements . . . . . . . . . . . . . . . . . . . 328
Accessories and Modifications . . . . . . . . . . . . . . . . . . . 328
Vehicle Checks
Doing Your OwnService Work . . . . . . . . . . . . . . . . . . . . 329
Hood . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 329
Engine Compartment Overview . . . . . . . . . . . . . . . . . . . . . . . . . 331
Engine Oil . . . . . . . . . . . . . . . . . . . . . . . . . 336
Engine Oil Life System . . . . . . . . . . . 338
Automatic Transmission Fluid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 339
Manual Transmission Fluid . . . . . 339
Hydraulic Clutch . . . . . . . . . . . . . . . . . 340
Engine Air Filter Life System . . . . 340
Engine Air Cleaner/Filter . . . . . . . . . 341
Cooling System . . . . . . . . . . . . . . . . . . . 343
Engine Overheating . . . . . . . . . . . . . . 347
Washer Fluid . . . . . . . . . . . . . . . . . . . . . 348
Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 349
Brake Pad Life System (If Equipped) . . . . . . . . . . . . . . . . . . . . . . . 351
Brake Fluid . . . . . . . . . . . . . . . . . . . . . . . 352 Battery - North America . . . . . . . . . 353
All-Wheel Drive . . . . . . . . . . . . . . . . . . 354
Park Brake and P (Park)
Mechanism Check . . . . . . . . . . . . . . 354
Wiper Blade Replacement . . . . . . . 355
Windshield Replacement . . . . . . . . 355
Gas Strut(s) . . . . . . . . . . . . . . . . . . . . . . . 356
Headlamp Aiming
Front Headlamp Aiming . . . . . . . . . 357
Bulb Replacement
LED Lighting . . . . . . . . . . . . . . . . . . . . . 357
Electrical System
Electrical System Overload . . . . . . 357
Fuses and Circuit Breakers . . . . . . 359
Engine Compartment Fuse
Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . 360
Instrument Panel Fuse Block . . . . 362
Rear Compartment Fuse Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . 365
Wheels and Tires
Tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 367
All-Season Tires . . . . . . . . . . . . . . . . . . 367
Winter Tires . . . . . . . . . . . . . . . . . . . . . . 368
Run-Flat Tires . . . . . . . . . . . . . . . . . . . . 368
Self-Sealing Tires . . . . . . . . . . . . . . . . . 369
Low-Profile Tires . . . . . . . . . . . . . . . . . 369
Summer Tires . . . . . . . . . . . . . . . . . . . . 369
Tire Sidewall Labeling . . . . . . . . . . . 370 Tire Designations . . . . . . . . . . . . . . . . . 371
Tire Terminology and
Definitions . . . . . . . . . . . . . . . . . . . . . . 372
Tire Pressure . . . . . . . . . . . . . . . . . . . . . . 374
Tire Pressure for High-Speed Operation . . . . . . . . . . . . . . . . . . . . . . . . 375
Tire Pressure Monitor System . . . 376
Tire Pressure Monitor Operation . . . . . . . . . . . . . . . . . . . . . . . . 377
Tire Inspection . . . . . . . . . . . . . . . . . . . 380
Tire Rotation . . . . . . . . . . . . . . . . . . . . . 380
When It Is Time for New Tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 382
Buying New Tires . . . . . . . . . . . . . . . . 382
Different Size Tires and Wheels . . . . . . . . . . . . . . . . . . . . . . . . . . 384
Uniform Tire Quality Grading . . . 384
Wheel Alignment and Tire Balance . . . . . . . . . . . . . . . . . . . . . . . . . . 385
Wheel Replacement . . . . . . . . . . . . . . 386
Tire Chains . . . . . . . . . . . . . . . . . . . . . . . 386
If a Tire Goes Flat . . . . . . . . . . . . . . . . 387
Tire Sealant and Compressor Kit . . . . . . . . . . . . . . . . . 388
Storing the Tire Sealant and Compressor Kit . . . . . . . . . . . . . . . . . 394
Jump Starting
Jump Starting - NorthAmerica . . . . . . . . . . . . . . . . . . . . . . . . . 394