open hood CADILLAC CT4 2023 Owners Manual

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-16500442) -
2023 - CRC - 5/4/22
18 Keys, Doors, and Windows
.A remote key is in the
vehicle.
.The hood is not closed.
.The hazard warning flashers
are on.
.There is an emission control
system malfunction.
.The engine coolant
temperature is too high.
.The oil pressure is low.
.The 30 minutes of engine
run time have been used.
.The vehicle is not in P (Park).
Door Locks
{Warning
Unlocked doors can be
dangerous.
.Passengers, especially
children, can easily open
the doors and fall out of a
moving vehicle. The doors
can be unlocked and
opened while the vehicle is
moving. The chance of
being thrown out of the(Continued)
Warning (Continued)
vehicle in a crash is
increased if the doors are
not locked. So, all
passengers should wear
seat belts properly and
the doors should be
locked whenever the
vehicle is driven.
.Young children who get
into unlocked vehicles may
be unable to get out.
A child can be overcome
by extreme heat and can
suffer permanent injuries
or even death from heat
stroke. Always lock the
vehicle whenever
leaving it.
.Outsiders can easily enter
through an unlocked door
when you slow down or
stop the vehicle. Locking
the doors can help
prevent this from
happening. To lock or unlock the doors
from outside the vehicle:
.PressQorKon the remote
key. See Remote Key
Operation 09.
.Use the mechanical key in
the driver door. The key lock
cylinder is covered with
a cap.
See “Driver Door Key Lock
Cylinder Access (In Case of
Dead Battery)” later in this
section.
To lock or unlock the doors
from inside the vehicle:
.PressQorKon the power
door lock switch.
.Pull once on the door handle
to unlock the door and again
to open the door.

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-16500442) -
2023 - CRC - 5/4/22
Keys, Doors, and Windows 25
The indicator light, on the
instrument panel near the
windshield, indicates the
status of the system.
Off :Alarm system is
disarmed.
On Solid : Vehicle is secured
during the delay to arm the
system.
Fast Flash : Vehicle is
unsecured. A door, the hood,
or the trunk is open.
Slow Flash : Alarm system is
armed.
Arming the Alarm System
1. Turn off the vehicle.
2. Lock the vehicle in one of three ways:
.Use the remote key.
.Use the Keyless Access
system.
.With a door open, press
Qon the interior of
the door.
3. After 30 seconds the alarm system will arm, and
the indicator light will begin
to slowly flash indicating
the alarm system is
operating. Pressing
Qon
the remote key a second
time will bypass the
30-second delay and
immediately arm the alarm
system.
The vehicle alarm system will
not arm if the doors are locked
with the mechanical key.
If the driver door is opened
without first unlocking with
the remote key, the horn will chirp and the lights will flash
to indicate pre-alarm. If the
vehicle is not started, or the
door is not unlocked by
pressing
Kon the remote key
during the 10-second
pre-alarm, the alarm will be
activated.
The alarm will also be
activated if a passenger door,
the trunk, or the hood is
opened without first disarming
the system. When the alarm is
activated, the turn signals
flash and the horn sounds for
about 30 seconds. The alarm
system will then re-arm to
monitor the next unauthorized
event.
Disarming the Alarm
System
To disarm the alarm system or
turn off the alarm if it has
been activated:
.PressKon the remote key.
.Unlock the vehicle using the
Keyless Access system.
.Start the vehicle.

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-16500442) -
2023 - CRC - 5/4/22
100 Instruments and Controls
Warning (Continued)
Otherwise the washer fluid
can form ice on the
windshield, blocking your
vision.
{Warning
Before driving the vehicle,
always clear snow and ice
from the hood, windshield,
washer nozzles, roof, and
rear of the vehicle, including
all lamps and windows.
Reduced visibility from snow
and ice buildup could lead to
a crash.
Wiper Parking
If the ignition is turned off
while the wipers are on LO, HI,
or INT with Rainsense
disabled, they will
immediately stop.
If the windshield wiper lever is
then moved to OFF before the
driver door is opened or within 10 minutes, the wipers will
restart and move to the base
of the windshield.
If the ignition is turned off
while the wipers are
performing wipes due to
windshield washing or
Rainsense, the wipers
continue to run until they
reach the base of the
windshield.
Rainsense
If equipped with Rainsense, a
sensor near the top center of
the windshield detects the
amount of water on the
windshield and controls the
frequency of the windshield
wiper.
To turn the Rainsense feature
on or off, select Settings >
Vehicle > Comfort and
Convenience > Rainsense
Wipers > Select ON or OFF.
Keep this area of the
windshield clear of debris to
allow for best system
performance.AUTO :
When enabled, move
the windshield wiper lever to
AUTO. Turn the
Oband on
the wiper lever to adjust the
sensitivity.
.Turn the band up for more
sensitivity to moisture.
.Turn the band down for less
sensitivity to moisture.
.Move the windshield wiper
lever out of the AUTO
position to deactivate
Rainsense.
Wiper Arm Assembly
Protection
When using an automatic car
wash, move the windshield
wiper lever to OFF. This
disables the automatic
Rainsense windshield wipers.

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-16500442) -
2023 - CRC - 5/10/22
Driving and Operating 265
{Warning
The automatic engine Stop/
Start feature causes the
engine to shut off while the
vehicle is still on. Do not exit
the vehicle before shifting to
P (Park). The vehicle may
restart and move
unexpectedly. Always shift
to P (Park), and then turn
the ignition off before
exiting the vehicle.
Auto Engine Stop/Start
When the brakes are applied
and the vehicle is at a
complete stop, the engine may
turn off. When stopped, the
tachometer displays AUTO
STOP. See Tachometer 0113.
When the brake pedal is
released or the accelerator
pedal is pressed, the engine
will restart. To maintain vehicle
performance, other conditions
may cause the engine to
automatically restart before
the brake pedal is released.
Auto Stops may not occur
and/or Auto Starts may occur
because:
.The climate control settings
require the engine to be
running to cool or heat the
vehicle interior.
.The vehicle battery needs to
charge.
.The vehicle battery has
recently been disconnected.
.Minimum vehicle speed has
not been reached since the
last Auto Stop.
.The accelerator pedal is
pressed.
.The engine or transmission
is not at the required
operating temperature.
.The outside temperature is
not in the required operating
range.
.The vehicle transmission is
shifted out of D (Drive) to
any gear other than P (Park).
.Certain driver modes have
been selected. See Driver
Mode Control
0292.
.The vehicle is on a steep hill
or grade.
.The driver door has been
opened or the driver seat
belt has been unbuckled.
.The hood has been opened.
.The Auto Stop has reached
the maximum allowed time.
Auto Stop Disable Switch

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-16500442) -
2023 - CRC - 5/10/22
Driving and Operating 267
Warning (Continued)
cause a fire, property
damage, electric shock,
and injury.
.Do not operate the vehicle
with the heater cord
permanently attached to
the vehicle. Possible
heater cord and
thermostat damage could
occur.
.While in use, do not let the
heater cord touch vehicle
parts or sharp edges.
Never close the hood on
the heater cord.
.Before starting the
vehicle, unplug the cord,
reattach the cover to the
plug, and securely fasten
the cord. Keep the cord
away from any moving
parts.
5. Before starting the engine, be sure to unplug and
store the cord as it was
before to keep it away from moving engine parts.
If you do not, it could be
damaged.
Contact your dealer for
information on how long to
use the heater in your
particular area.
Retained Accessory
Power (RAP)
When the vehicle is turned
from on to off, the following
features (if equipped) will
continue to function for up to
10 minutes, or until the driver
door is opened. These
features will also work when
the vehicle is on or in
accessory mode:
.Infotainment System
.Power Windows (during RAP
this functionality will be lost
when any door is opened)
.Sunroof (during RAP this
functionality will be lost
when any door is opened)
.Auxiliary Power Outlet
.Audio System
.OnStar System
Shifting Into Park
(Mechanical Shifter)
1. Hold the brake pedal down and set the parking brake.
See Electric Parking Brake
0287.
2. Move the shift lever into P (Park) by holding in the
button on the shift lever
and pushing the shift lever
all the way toward the
front of the vehicle.
3. Turn the ignition off.
Leaving the Vehicle with
the Engine Running
{Warning
It can be dangerous to leave
the vehicle with the engine
running. It could overheat
and catch fire. (Continued)

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-16500442) -
2023 - CRC - 5/4/22
Vehicle Care 371
If doing some of your own
service work, use the proper
service manual. It tells you
much more about how to
service the vehicle than this
manual can. To order the
proper service manual, see
Publication Ordering
Information0494.
This vehicle has an airbag
system. Before attempting to
do your own service work, see
Servicing the Airbag-Equipped
Vehicle 070.
If equipped with remote
vehicle start, open the hood
before performing any service
work to prevent remote
starting the vehicle
accidentally. See Remote
Vehicle Start 016.
Keep a record with all parts
receipts and list the mileage
and the date of any service
work performed. See
Maintenance Records 0477.Caution
Even small amounts of
contamination can cause
damage to vehicle systems.
Do not allow contaminants
to contact the fluids,
reservoir caps, or dipsticks.
Hood
{Warning
For vehicles with auto
engine stop/start, turn the
vehicle off before opening
the hood. If the vehicle is on,
the engine will start when
the hood is opened. You or
others could be injured.
{Warning
Components under the hood
can get hot from running the
engine. To help avoid the
risk of burning unprotected
skin, never touch these
(Continued)
Warning (Continued)
components until they have
cooled, and always use a
glove or towel to avoid
direct skin contact.
Clear any snow from the hood
before opening.
To open the hood:
1. Pull the hood release lever with the
isymbol. It is
on the lower left side of
the instrument panel.

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-16500442) -
2023 - CRC - 5/4/22
372 Vehicle Care
2. Go to the front of thevehicle and locate the
secondary release lever
under the front center of
the hood. Push the
secondary hood release
lever to the right to
release.
3. After you have partially lifted the hood, the gas
strut system will
automatically lift the hood
and hold it in the fully open
position. To close the hood:
1. Before closing the hood, be sure all filler caps are on
properly, and all tools are
removed.
2. Pull the hood down until the strut system is no
longer holding up the hood.
3. Lower the hood 20 cm (8 in) above the vehicle.
Allow the hood to fall.
Check to make sure the
hood is latched completely.
Repeat this process with
additional force if
necessary.
{Warning
Do not drive the vehicle if
the hood is not latched
completely. The hood could
open fully, block your vision,
and cause a crash. You or
others could be injured.
Always close the hood
completely before driving. The Driver Information Center
(DIC) will display a message if
the hood is not fully closed.
Stop and turn off the vehicle,
check the hood for
obstructions, and close the
hood again. Check to see if the
message still appears on
the DIC.

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-16500442) -
2023 - CRC - 5/4/22
402 Vehicle Care
work at all. See your dealer for
proper windshield
replacement.
Acoustic Windshield
The vehicle is equipped with
an acoustic windshield. If the
windshield needs to be
replaced be sure to get an
acoustic windshield so you will
continue to have the benefits
an acoustic windshield can
provide.
Gas Strut(s)
Your vehicle may be equipped
with gas strut(s) to provide
assistance in lifting and
holding open the hood/trunk/
liftgate system in full open
position.
{Warning
If the gas struts that hold
open the hood, trunk, and/or
liftgate fail, you or others
could be seriously injured.
Take the vehicle to your(Continued)
Warning (Continued)
dealer for service
immediately. Visually inspect
the gas struts for signs of
wear, cracks, or other
damage periodically. Check
to make sure the hood/
trunk/liftgate is held open
with enough force. If struts
are failing to hold the hood/
trunk/liftgate, do not
operate. Have the vehicle
serviced.
Caution
Do not apply tape or hang
any objects from gas struts.
Also do not push down or
pull on gas struts. This may
cause damage to the
vehicle.
See Maintenance Schedule
0 469.
Hood
Trunk

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-16500442) -
2023 - CRC - 5/4/22
404 Vehicle Care
Front Turn Signal
Lamps
Uplevel
See your dealer for turn signal
replacement.
Base level
To replace one of these lamps:1. Open the hood.
2. If your vehicle is equipped with a beauty cover,
remove the beauty cover
to get access to the bulb.
3. Turn the bulb socketcounterclockwise to
remove it from the
headlamp assembly.
4. Unplug the electrical connector from the bulb by
releasing the clip on the
connector.
5. Replace the bulb and reverse Steps 1–4 to
reinstall.
Electrical System
Electrical System
Overload
The vehicle has fuses and
circuit breakers to protect
against an electrical system
overload.
When the current electrical
load is too heavy, the circuit
breaker opens and closes,
protecting the circuit until the
current load returns to normal
or the problem is fixed. This greatly reduces the chance of
circuit overload and fire
caused by electrical problems.
Fuses and circuit breakers
protect power devices in the
vehicle.
If there is a problem on the
road and a fuse needs to be
replaced, the same amperage
fuse can be borrowed. Choose
some feature of the vehicle
that is not needed to use and
replace it as soon as possible.
To check a fuse, look at the
band inside the fuse. If the
band is broken or melted,
replace the fuse. Be sure to
replace a bad fuse with a fuse
of the identical size and rating.