engine CADILLAC CT5 2021 Owner's Manual

Cadillac CT5 Owner Manual (GMNA-Localizing-U.S./Canada-14584312) -
2021 - CRC - 11/23/20
2 INTRODUCTION
Using this Manual
To quickly locate information about
the vehicle, use the Index in the back
of the manual. It is an alphabetical
list of what is in the manual and the
page number where it can be found.
Danger, Warning, and
Caution
Warning messages found on vehicle
labels and in this manual describe
hazards and what to do to avoid or
reduce them.
{Danger
Danger indicates a hazard with a
high level of risk which will result
in serious injury or death.
{Warning
Warning indicates a hazard that
could result in injury or death.
Caution
Caution indicates a hazard that
could result in property or vehicle
damage.
A circle with a slash through it is a
safety symbol which means“Do not,”
“Do not do this,” or“Do not let this
happen.”
Symbols
The vehicle has components and
labels that use symbols instead of
text. Symbols are shown along with
the text describing the operation or
information relating to a specific
component, control, message, gauge,
or indicator.
M: Shown when the owner’s manual
has additional instructions or
information.
*: Shown when the service manual
has additional instructions or
information.
0: Shown when there is more
information on another page —
“see page.”
Vehicle Symbol Chart
Here are some additional symbols that
may be found on the vehicle and what
they mean. See the features in this
manual for information.
u: Air Conditioning System
G:Air Conditioning Refrigerant Oil
9:Airbag Readiness Light
!:Antilock Brake System (ABS)
$:Brake System Warning Light
9:Dispose of Used Components
Properly
P: Do Not Apply High Pressure
Water
B: Engine Coolant Temperature
_:Flame/Fire Prohibited

Cadillac CT5 Owner Manual (GMNA-Localizing-U.S./Canada-14584312) -
2021 - CRC - 11/23/20
INTRODUCTION 5
1.Air Vents 0206.
2. Turn Signal Lever. See Turn and
Lane-Change Signals 0135.
Exterior Lamp Controls 0132.
IntelliBeam System Button (If
Equipped). See Exterior Lamp
Controls 0132.
3. Tap Shift Controls (If Equipped). See Manual Mode 0236.
4. Instrument Cluster (Base Level) 094
or
Instrument Cluster (Uplevel) 096.
5. Windshield Wiper/Washer 088.
6. Light Sensor. See Automatic
Headlamp System 0134.
7. Home Button and Infotainment Controls. See Overview0141.
8. Infotainment. See Introduction
0 140.
9. Dual Automatic Climate Control
System 0202.
10. Heated and Ventilated Front Seats
042 (If Equipped).
Lane Keep Assist (LKA) 0293 (If
Equipped). Automatic Park Assist Button (If
Equipped). See
Assistance Systems
for Parking or Backing 0277.
Park Assist Button. See Assistance
Systems for Parking or Backing
0 277.
11. Hazard Warning Flashers 0135.
12. Infotainment Controls. See Overview 0141.
13. Shift Lever. See Automatic
Transmission 0231.
14. Traction Control/Electronic Stability
Control 0240.
Automatic Vehicle Hold (AVH) 0240.
Stop/Start Disable Switch. See
Starting the Engine 0225.
MODE Switch. See Driver Mode
Control 0242.
15. Steering Wheel Controls 087.
Driver Information Center (DIC)
Controls. See Driver Information
Center (DIC) (Base Level) 0113 or
Driver Information Center (DIC)
(Uplevel) 0116.
16. Horn 088. 17.
Steering Wheel Adjustment 087.
18. Cruise Control 0249 (If Equipped).
Adaptive Cruise Control (Advanced)
0 251 (If Equipped).
Forward Collision Alert (FCA) System
0 285 (If Equipped).
Heated Steering Wheel 087 (If
Equipped).
19. Hood Release. See Hood0311.
20. Data Link Connector (DLC) (Out of View). See Malfunction Indicator
Lamp (Check Engine Light) 0103.
21. Instrument Panel Illumination
Control 0136.
22. Head-Up Display (HUD) 0118 (If
Equipped).
23. Electric Parking Brake (EPB) Switch. See Electric Parking Brake
0 238.

Cadillac CT5 Owner Manual (GMNA-Localizing-U.S./Canada-14584312) -
2021 - CRC - 11/23/20
8 KEYS, DOORS, AND WINDOWS
Q:Press to lock all doors and the fuel
door, if equipped. The turn signal
indicators may flash and/or the horn
may sound on the second press to
indicate locking. See Vehicle
Personalization 0123.
Pressing
Qmay also arm the alarm
system. See Vehicle Alarm System 023.
If equipped with remote folding
mirror, pressing
Qon the remote key
may fold the mirrors. See Folding
Mirrors 027.
K:Press to unlock the driver door
and the fuel door, if equipped. Press
again within five seconds to unlock all
doors. The remote key can be programmed to unlock all doors on
the first button press. See
Vehicle
Personalization 0123. When remotely
unlocking the vehicle at night, the
headlamps and back-up lamps may
come on for about 30 seconds to light
your approach to the vehicle. The turn
signal indicators may flash to indicate
unlocking.
If equipped with remote window
operation, press and hold
Kon the
remote key for about three seconds to
open all windows. The vehicle must be
off and the remote window operation
must be enabled. See Vehicle
Personalization 0123.
Pressing
Kwill disarm the alarm
system. See Vehicle Alarm System 023.
If equipped with remote folding
mirror, pressing
Kon the remote key
may unfold the mirrors. See Folding
Mirrors 027.
S:PressStwice to start the engine
from outside the vehicle using the
remote key. See Remote Vehicle Start
0 13.
7:Press and release one time to
initiate vehicle locator. The exterior
lamps flash and the horn chirps three
times. Press and hold
7for more than
three seconds to sound the panic
alarm. The horn sounds and the turn
signal lamps flash for 30 seconds,
or until
7is pressed again or the
vehicle is started.
X: Press twice to release the trunk.
Keyless Access Operation
The Keyless Access system lets you
lock and unlock the doors and access
the trunk without removing the
remote key from your pocket, purse,
briefcase, etc. The remote key must be
within 1 m (3 ft) of the trunk or door
being opened. If equipped, there will
be a sensor on the outside door
handles.
The Keyless Access system can be
programmed to unlock all doors on
the first door handle press from the
driver door button. Keyless unlocking
can also be turned off. See Vehicle
Personalization 0123.

Cadillac CT5 Owner Manual (GMNA-Localizing-U.S./Canada-14584312) -
2021 - CRC - 11/23/20
KEYS, DOORS, AND WINDOWS 11
your dealer. The vehicle can be
reprogrammed so that lost or stolen
remote keys no longer work. Each
vehicle can have up to eight remote
keys matched to it.
Programming with Recognized
Remote Keys
A new key can be programmed to the
vehicle when there are two
recognized keys.
To program, the vehicle must be in
RUN and all remote keys, both
currently recognized and new, must
be with you.1. Place the two recognized remote keys on the passenger seat.
2. Scroll to the DIC menu to "Remote Key Learn" menu and select.
The DIC displays READY FOR
REMOTE #3, 4, 5, ETC.
3. Place the new remote key into therear cupholder.
4. Press ENGINE START/STOP. When the remote key is learned, the DIC
display will show that the remote
key has been programmed.
5. Remove the remote key from the rear cupholder and press
KorQ
on the remote key.
To program additional remote keys,
repeat Steps 3–5.
When all additional remote keys
are programmed, press and hold
ENGINE START/STOP for
approximately 12 seconds to exit
programming mode. Programming without Recognized
Remote Keys
If two currently recognized remote
keys are not available, see your dealer
to program new remote keys.
Starting the Vehicle with a Low
Remote Key Battery
For improved vehicle security, the
remote key is equipped with a motion
sensor. When starting the vehicle,
if the remote key has been idle for a
while, the DIC may display KEY IN
SLEEP MODE, MOVE KEY, THEN
START. Move the remote key slightly
and try starting the vehicle. When
starting the vehicle, if the remote key
battery is depleted or there is signal
interference, the DIC may display NO
KEY FOUND, REPLACE BATTERY IN
KEY or NO REMOTE KEY WAS
DETECTED PLACE KEY IN KEY
POCKET THEN START YOUR
VEHICLE, follow the steps shown
below:

Cadillac CT5 Owner Manual (GMNA-Localizing-U.S./Canada-14584312) -
2021 - CRC - 11/23/20
12 KEYS, DOORS, AND WINDOWS
1. Place the remote key into the rearcupholder.
2. With the vehicle in P (Park) or N (Neutral) press the brake pedal
and ENGINE START/STOP.
Replace the remote key battery as
soon as possible.
Battery Replacement
{Warning
Never allow children to play with
the remote key. The remote key
contains a small battery, which can
be a choking hazard. If swallowed,
(Continued)
Warning (Continued)
internal burns can occur, resulting
in severe injury or death. Seek
medical attention immediately if a
battery is swallowed.
{Warning
To avoid personal injury, do not
touch metal surfaces on the remote
key when it has been exposed to
extreme heat. These surfaces can be
hot to the touch at temperatures
above 59 °C (138 °F).
Caution
When replacing the battery, do not
touch any of the circuitry on the
remote key. Static from your body
could damage the remote key.
Caution
Always replace the battery with the
correct type. Replacing the battery
with an incorrect type could
potentially create a risk of battery
explosion. Dispose of used batteries
according to instructions and local
laws. Do not attempt to burn,
crush, or cut the used battery, and
avoid exposing the battery to
environments with extremely low
air pressures or high temperatures.
Replace the battery if the DIC displays
REPLACE BATTERY IN KEY.

Cadillac CT5 Owner Manual (GMNA-Localizing-U.S./Canada-14584312) -
2021 - CRC - 11/23/20
KEYS, DOORS, AND WINDOWS 13
1. Press the button on the side of theremote key near the bottom and
pull the mechanical key out. Never
pull the mechanical key out
without pressing the button.
2. Use the mechanical key blade inthe slot to remove the battery
cover by hand.
3. Turn the remote key over.
4. Remove the battery cover.
5. Remove the seal by pulling on thetab to access the battery. 6. Remove the old battery. Do not use
a metal object.
7. Insert the new battery, negative side facing down. Replace with a
CR2450 or equivalent battery.
8. Replace the seal, pushing it into the groove around the battery
compartment.
9. Replace the battery cover by snapping it back into the
remote key.
10. Reinsert the mechanical key.
Remote Vehicle Start
This feature allows the engine to be
started from outside the vehicle.
S: This button on the remote key is
for remote start.
The climate control system will use
the previous settings during a remote
start. The rear window defogger may
come on during remote start based on
cold ambient conditions. The rear
defog indicator light does not come on
during remote start.

Cadillac CT5 Owner Manual (GMNA-Localizing-U.S./Canada-14584312) -
2021 - CRC - 11/23/20
14 KEYS, DOORS, AND WINDOWS
If equipped, the heated and ventilated
front seats may also come on when
the vehicle personalization setting is
enabled. SeeHeated and Ventilated
Front Seats 042.
If equipped with a remote start heated
steering wheel, it may come on during
a remote start. See Heated Steering
Wheel 087.
Laws in some local communities may
restrict the use of remote starters. For
example, some laws may require a
person using remote start to have the
vehicle in view. Check local
regulations for any requirements.
If your vehicle is low on fuel, do not
use the remote start feature. The
vehicle may run out of fuel.
The remote key range may be shorter
while the vehicle is running.
Other conditions can affect the
performance of the remote key. See
Remote Keyless Entry (RKE) System
0 7.
You are allowed multiple starts
totaling 30 minutes of engine run
time. The maximum run time of a
single start is 15 minutes, and it will shut off automatically. You could do
three 10 minute starts, if you
manually shut off after 10 minutes.
The last 10 minute start would shut
off automatically as your total
30 minutes will have been used.
Starting the Engine Using Remote
Start
1. Press
Stwice on the remote key.
The turn signal lamps will flash.
The lamps flash to confirm the
request to remote start the vehicle
has been received. During the
remote start, the doors will be
locked and the parking lamps will
remain on as long as the engine is
running.
2. The engine will shut off after 15 minutes or after the remainder
of the 30 minute total running
time is used, unless you stop the
remote start before engine running
has completed or the vehicle is
turned on.
3. Press the brake pedal and turn the ignition on to drive the vehicle. Additional Engine Run Time
Remote start can be used for up to
30 minutes of total engine run time.
After two remote starts of 15 minutes,
or multiple shorter time starts
totaling 30 minutes have been used,
the vehicle must be started and then
turned off before the remote start can
be used again.
Canceling a Remote Start
To cancel a remote start, do any of
the following:
.PressSonce. The parking lamps
will turn off.
.Turn on the hazard warning
flashers.
.Turn the vehicle on and then
back off.
Conditions in Which Remote Start
Will Not Work
The remote start will not operate if
any of the following occur:
.The ignition is in any mode other
than off.
.A remote key is in the vehicle.
.The hood is not closed.

Cadillac CT5 Owner Manual (GMNA-Localizing-U.S./Canada-14584312) -
2021 - CRC - 11/23/20
KEYS, DOORS, AND WINDOWS 15
.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 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.(Continued)
Warning (Continued)
.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.
Always take your remote key with you
when exiting the vehicle to prevent
being locked out. To lock or unlock
the doors from outside the vehicle:
.PressQorKon the remote key.
See Remote Keyless Entry (RKE)
System Operation 07.
.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 the front door handle once to
open the door. Pull the rear door
handle once to unlock and once
more to open the door.
Keyless Access
The remote key must be within 1 m
(3 ft) of the trunk or door being
opened or locked. To unlock and
unlatch any door, press the release

Cadillac CT5 Owner Manual (GMNA-Localizing-U.S./Canada-14584312) -
2021 - CRC - 11/23/20
18 KEYS, DOORS, AND WINDOWS
If the vehicle is off and locking is
requested while a door is open, when
all doors are closed the vehicle will
check for keys inside. If any remote
key programmed to the vehicle is
detected and the number of keys
inside has not reduced, the driver door
will unlock and the horn will chirp
three times.
Lockout Protection can be manually
overridden with the driver door open
by pressing and holding
Qon the
power door lock switch.
Safety Locks
Manual Safety Locks
The safety lock is on the inside edge
of the rear doors. To use the
safety lock:
1. Move the lever forward to the lock position.
2. Close the door.
3. Repeat for the other rear door.
To open a rear door when the safety
lock is on: 1. Unlock the door by activating the inside handle, by pressing the
power door lock switch, or by using
the remote key.
2. Open the door from the outside.
When the safety lock is enabled,
adults and older children will not be
able to open the rear door from the
inside. Cancel the safety locks to
enable the doors to open from the
inside.
To cancel the safety lock: 1. Unlock the door and open it from the outside.
2. Move the lever rearward to unlock. Repeat for the other door.Doors
Trunk
{Warning
Exhaust gases can enter the vehicle
if it is driven with the liftgate or
trunk/hatch open, or with any
objects that pass through the seal
between the body and the trunk/
hatch or liftgate. Engine exhaust
contains carbon monoxide (CO)
which cannot be seen or smelled.
It can cause unconsciousness and
even death.
If the vehicle must be driven with
the liftgate or trunk/hatch open:
.Close all of the windows.
.Fully open the air outlets on or
under the instrument panel.
.Adjust the climate control
system to a setting that brings in
only outside air and set the fan
speed to the highest setting. See
“Climate Control Systems” in the
Index.
(Continued)

Cadillac CT5 Owner Manual (GMNA-Localizing-U.S./Canada-14584312) -
2021 - CRC - 11/23/20
KEYS, DOORS, AND WINDOWS 19
Warning (Continued)
.If the vehicle is equipped with a
power liftgate, disable the power
liftgate function.
See Engine Exhaust 0231.
Manual Trunk
To release the trunk, the vehicle must
be off or in P (Park).
.Press|on the driver door.
.PressXtwice quickly on the
remote key.
.Press the touch pad on the rear of
the trunk above the license plate
when all doors are unlocked.
The trunk can be opened while the
vehicle is locked by pressing the touch
pad above the license plate while the
remote key is within 1 m (3 ft) of the
rear of the vehicle. See Remote Keyless
Entry (RKE) System Operation 07.Close the trunk by pulling on the
handle. Do not use the handle as a
tie-down. Do not press the touch pad
while closing the trunk; this will cause
the trunk lid to be unlatched.
The trunk has an electric latch. If the
vehicle has lost power or the battery
is disconnected, the trunk will not
open. If this happens, enter the rear
compartment by folding the rear seats
down, and pull the emergency release
handle to open the trunk.