2023 CADILLAC CT5 stop start

Cadillac CT5 Owner Manual (GMNA-Localizing-U.S./Canada-16500419) -
2023 - CRC - 5/10/22
268 Driving and Operating
The vehicle may have an
electric steering column lock.
The lock is activated when the
vehicle is switched to OFF and
the driver door is opened.
A sound may be heard as the
lock actuates or releases. The
steering column lock may not
release with the wheels
turned off center. If this
happens, the vehicle may not
start. Move the steering wheel
from left to right while
attempting to start the
vehicle. If this does not work,
the vehicle needs service.
Do not turn the engine off
when the vehicle is moving.
This will cause a loss of power
assist in the brake and
steering systems and disable
the airbags.
If the vehicle must be shut off
in an emergency:1. Brake using a firm and steady pressure. Do not
pump the brakes
repeatedly. This may deplete power assist,
requiring increased brake
pedal force.
2. Shift the vehicle to N (Neutral). This can be
done while the vehicle is
moving. After shifting to
N (Neutral), firmly apply the
brakes and steer the
vehicle to a safe location.
3. Come to a complete stop. Shift to P (Park) with an
automatic transmission,
or Neutral with a manual
transmission. Turn the
ignition off.
4. Set the parking brake. See Electric Parking Brake
0288.
{Warning
Turning off the vehicle while
moving may cause loss of
power assist in the brake
and steering systems and
disable the airbags. While
driving, only shut the vehicle
off in an emergency. If the vehicle cannot be pulled
over, and must be shut off
while driving, press and hold
ENGINE START/STOP for
longer than two seconds,
or press twice within
five seconds.
Accessory Mode (Amber
Indicator Light) :
This mode
allows the use of some
electrical accessories when
the engine is off.
With the ignition off, pressing
the button once without the
brake pedal applied will place
the ignition system in
accessory mode.
The ignition will switch from
accessory mode to OFF after
five minutes to prevent
battery rundown.
ON/RUN/START (Green
Indicator Light) : This mode is
for driving and starting. With
the ignition off, and the brake
pedal applied, pressing the
button once will place the
ignition system in ON/RUN/
START. Once engine cranking

Cadillac CT5 Owner Manual (GMNA-Localizing-U.S./Canada-16500419) -
2023 - CRC - 5/10/22
Driving and Operating 269
begins, release the button.
Engine cranking will continue
until the engine starts. See
Starting the Engine0269. The
ignition will then remain on.
Service Mode
This power mode is available
for service and diagnostics,
and to verify the proper
operation of the malfunction
indicator lamp as may be
required for emission
inspection purposes. With the
vehicle off, and the brake
pedal not applied, pressing
and holding ENGINE START/
STOP for more than
five seconds will place the
vehicle in Service Mode. The
instruments and audio
systems will operate as they
do in ON/RUN, but the vehicle
will not be able to be driven.
The engine will not start in
Service Mode. Press the
button again to turn the
vehicle off.Starting the Engine
Place the transmission in the
proper gear
Caution
If you add electrical parts or
accessories, you could
change the way the engine
operates. Any resulting
damage would not be
covered by the vehicle
warranty. See Add-On
Electrical Equipment 0372.
Automatic Transmission
Move the shift lever to
P (Park) or N (Neutral). To
restart the vehicle when it is
already moving, use
N (Neutral) only.
Caution
Do not try to shift to P (Park)
if the vehicle is moving.
If you do, you could damage (Continued)
Caution (Continued)
the transmission. Shift to
P (Park) only when the
vehicle is stopped.
Manual Transmission
The shift lever should be in
Neutral and the parking brake
engaged. Hold the clutch pedal
down to the floor, press the
brake pedal, and start the
engine.
Starting the Vehicle 1. For vehicles with an automatic transmission,
press the brake pedal, then
press ENGINE START/
STOP on the instrument
panel. For a manual
transmission, place the
shift lever in Neutral with
the parking brake engaged.
Hold the clutch pedal down
to the floor, press the
brake pedal, then press
ENGINE START/STOP.

Cadillac CT5 Owner Manual (GMNA-Localizing-U.S./Canada-16500419) -
2023 - CRC - 5/10/22
270 Driving and Operating
If the remote key is not in
the vehicle, if there is
interference, or if the
remote key battery is low,
a Driver Information
Center (DIC) message will
display. See Remote Key
Operation09.
Caution
Cranking the engine for long
periods of time, by pressing
ENGINE START/STOP
immediately after cranking
has ended, can overheat and
damage the cranking motor,
and drain the battery. Wait
at least 15 seconds between
each try, to let the cranking
motor cool down.
2. If the engine does not start after five to 10 seconds,
especially in very cold
weather (below −18 °C or
0 °F), it could be flooded
with too much gasoline.
Try pushing the
accelerator pedal all the
way to the floor and hold it there, then press ENGINE
START/STOP for up to a
maximum of 15 seconds.
Wait at least 15 seconds
between each try, to allow
the cranking motor to cool
down. When the engine
starts, let go of the button
and the accelerator. If the
vehicle starts briefly but
then stops again, do the
same thing. This clears the
extra gasoline from the
engine. Do not race the
engine immediately after
starting it. Operate the
engine and transmission
gently until the oil warms
up and lubricates all
moving parts.
Stopping the Engine
If the vehicle has an automatic
transmission, move the shift
lever to P (Park) and press and
hold ENGINE START/STOP on
the instrument panel, until the
engine shuts off. If the shift
lever is not in P (Park), the
engine shuts off and the
ignition goes to accessory
mode. The DIC displays SHIFT
TO PARK. Once the shift lever
is moved to P (Park), the
vehicle turns off.
If the vehicle has a manual
transmission, before getting
out of the vehicle, shift to
1 (First) or R (Reverse) and
apply the parking brake. Then
turn off the ignition off by
pressing ENGINE START/
STOP and release the clutch
pedal when the engine has
stopped.
If the remote key is not
detected inside the vehicle
when it is turned off the DIC
displays a message.
Stop/Start System
If equipped, the Stop/Start
system will shut off the engine
to help conserve fuel. It has
components designed for the
increased number of starts.

Cadillac CT5 Owner Manual (GMNA-Localizing-U.S./Canada-16500419) -
2023 - CRC - 5/10/22
Driving and Operating 271
{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 0120.
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 is shifted out of
D (Drive) to any gear other
than P (Park).
.Certain driver modes have
been selected. See Driver
Mode Control
0293.
.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 CT5 Owner Manual (GMNA-Localizing-U.S./Canada-16500419) -
2023 - CRC - 5/10/22
272 Driving and Operating
The automatic engine Stop/
Start feature can be disabled
and enabled by pressing
h.
Auto Stop/Start is enabled
each time you start the
vehicle.
When the
hindicator is
illuminated, the system is
enabled.
Engine Heater
Vehicles with the engine
heater can use this option in
cold weather conditions at or
below −18 °C (0 °F) for easier
starting and better fuel
economy during engine
warm-up. Plug in the engine
heater at least four hours
before starting your vehicle.
An internal thermostat in the
plug-end of the cord may exist
which will prevent engine
heater operation at
temperatures above
−18 °C (0 °F).
To Use the Engine Heater
1. Turn off the engine.
Check the heater cord for
damage. If it is damaged,
do not use it. See your
dealer for a replacement.
Inspect the cord for
damage yearly.
2. Plug the heater cord intothe connector in the front
license plate bracket.
3. Plug it into a normal, grounded 110-volt AC
outlet.
{Warning
Improper use of the heater
cord or an extension cord
can damage the cord and
may result in overheating
and fire.
.Plug the cord into a
three-prong electrical
utility receptacle that is
protected by a ground
fault detection function.
An ungrounded outlet
could cause an electric
shock.
.Use a weatherproof,
heavy-duty, 15 amp-rated
extension cord if needed.
Failure to use the
recommended extension
cord in good operating
condition, or using a
damaged heater or
extension cord, could
make it overheat and
(Continued)

Cadillac CT5 Owner Manual (GMNA-Localizing-U.S./Canada-16500419) -
2023 - CRC - 5/10/22
Driving and Operating 277
If parking on a hill and pulling a
trailer, see Driving
Characteristics and Towing
Tips0365.
Automatic
Transmission
The shift pattern is displayed
in the top of the shift lever.
The selected gear position will
illuminate red on the shift
lever, while all others will be
displayed in white. If the shift
is not immediate, as in very cold conditions, the indicator
on the shift lever may flash
until it is fully engaged.
The shift lever always starts
from a center position,
represented by an up/down
arrow on the shift pattern.
After releasing the shift lever,
it will return to the center
position.
The transmission does not
operate when the vehicle
is off.
If the vehicle is in accessory
mode, the transmission can be
shifted into P (Park).
If the vehicle is turned off
while at a relatively high
vehicle speed, the
transmission will automatically
shift to N (Neutral). Once the
vehicle is stopped, it can be
shifted into P (Park).
P :
This position locks the
drive wheels. Use P (Park)
when starting the engine to
prevent the vehicle from
moving easily.
{Warning
It is dangerous to get out of
the vehicle if the
transmission is not in
P (Park) with the parking
brake set. The vehicle
can roll.
(Continued)

Cadillac CT5 Owner Manual (GMNA-Localizing-U.S./Canada-16500419) -
2023 - CRC - 5/10/22
278 Driving and Operating
Warning (Continued)
Do not leave the vehicle
when the engine is running.
If the engine has been left
running, the vehicle can
move suddenly. You or
others could be injured. To
be sure the vehicle will not
move, even when on fairly
level ground, always set the
parking brake and place the
transmission into P (Park).
See Shifting Into Park0273
and
Electric Parking Brake 0288.
This vehicle is equipped with
an electronically controlled
transmission. The shift lock
release button is designed to
prevent inadvertent shifting
out of P (Park) unless the
ignition is on, the brake pedal
is applied, and the shift lock
release button is pressed.
When the vehicle is stopped,
press ENGINE START/STOP
to turn off the vehicle. The
transmission will shift to
P (Park) automatically unless
the vehicle is in N (Neutral),
See “Car Wash Mode”
following. The vehicle will not shift into
P (Park) if it is moving too fast.
Stop the vehicle and shift into
P (Park).
To shift in and out of P (Park),
see Shifting Into Park
0273
and
Shifting out of Park 0274.
Service Shift Lever Message
If the message SERVICE
SHIFTER SEE OWNER’S
MANUAL appears in the
Driver Information
Center (DIC), the shift lever
needs service. Have the
vehicle serviced as soon as
possible. If the vehicle is
automatically shifting into
P (Park), check to see if the
P (Park) button on top of the
shift lever is stuck. To operate
the vehicle, hold the shift lever
in the desired gear,
R (Reverse) or D (Drive), until
vehicle speed exceeds
15 km/h (10 mph), then release
the shift lever.

Cadillac CT5 Owner Manual (GMNA-Localizing-U.S./Canada-16500419) -
2023 - CRC - 5/10/22
Driving and Operating 279
R :Use this gear to back up.
If the vehicle is shifted from
either R (Reverse) to D (Drive)
or M (Manual Mode),
or M (Manual Mode) or
D (Drive) to R (Reverse) while
the speed is too high, the
vehicle will shift to N (Neutral).
Reduce the vehicle speed and
try the shift again.
To shift into R (Reverse): 1. Bring the vehicle to a complete stop.
2. Press and hold shift lock release button on the side
of the shift lever.
3. From the center position, move the shift lever
forward through the first
detent to the end of travel.
R is illuminated in red.
4. After releasing the shift lever, it will return to the
center position.
To shift out of R (Reverse): 1. Bring the vehicle to a complete stop. 2. Shift to the desired gear.
3. After releasing the shift
lever, it will return to the
center position.
At low vehicle speeds,
R (Reverse) can be used to
rock the vehicle back and forth
to get out of snow, ice, or sand
without damaging the
transmission. See If the
Vehicle Is Stuck 0261.
N : In this position, the engine
does not connect with the
wheels. To restart the engine
when the vehicle is already
moving, use N (Neutral) only.
{Warning
Shifting into a drive gear
while the engine is running
at high speed is dangerous.
Unless your foot is firmly on
the brake pedal, the vehicle
could move very rapidly. You
could lose control and hit
people or objects. Do not
(Continued)
Warning (Continued)
shift into a drive gear while
the engine is running at high
speed.
Caution
Shifting out of P (Park) or
N (Neutral) with the engine
running at high speed may
damage the transmission.
The repairs would not be
covered by the vehicle
warranty. Be sure the
engine is not running at high
speed when shifting the
vehicle.
The vehicle is not designed to
stay in N (Neutral) for more
than five minutes. It may
automatically shift into
P (Park). N (Neutral) is not
intended for towing. If the
vehicle needs to be towed, see
Transporting a Disabled
Vehicle 0455.