2019 CADILLAC XT4 engine

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
12017481) - 2019 - CRC - 11/5/18
26 IN BRIEF
E85 or FlexFuel
No E85 or FlexFuel
Gasoline-ethanol fuel blends greater
than E15 (15% ethanol by volume),
such as E85, cannot be used in this
vehicle.
Engine Oil Life System
The engine oil life system calculates
engine oil life based on vehicle use
and displays the CHANGE ENGINE
OIL SOON message when it is time to
change the engine oil and filter. The
oil life system should be reset to 100%
only following an oil change.Resetting the Oil Life System
1. Using the DIC controls on the right side of the steering wheel,
display REMAINING OIL LIFE on
the DIC. See Driver Information
Center (DIC) 0142. When
remaining oil life is low, the
CHANGE ENGINE OIL SOON
message will appear on the
display.
2. Press
Von the DIC controls and
hold down for a few seconds to
clear the CHANGE ENGINE OIL
SOON message and reset the oil
life at 100%.
Be careful not to reset the oil life
display accidentally at any time
other than after the oil is
changed. It cannot be reset
accurately until the next oil
change.
See Engine Oil Life System 0259.
Driving for Better Fuel
Economy
Driving habits can affect fuel mileage.
Here are some driving tips to get the
best fuel economy possible.
.
Set the climate controls to the
desired temperature after the
engine is started, or turn them off
when not required.
. On AWD vehicles, use Tour Mode
when conditions permit.
. Avoid fast starts and accelerate
smoothly.
. Brake gradually and avoid abrupt
stops.
. Avoid idling the engine for long
periods of time.
. When road and weather
conditions are appropriate, use
cruise control.
. Always follow posted speed limits
or drive more slowly when
conditions require.
. Keep vehicle tires properly
inflated.

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
12017481) - 2019 - CRC - 11/5/18
30 KEYS, DOORS, AND WINDOWS
With Power Liftgate Shown, WithoutSimilar
Q:Press to lock all doors. The turn
signal indicators may flash and/or the
horn may sound on the first press to
indicate locking. See Vehicle
Personalization 0149.
If the driver door is open when
Qis
pressed, all doors will lock and the
driver door will immediately unlock,
if Open Door Anti-Lockout is enabled.
See Vehicle Personalization 0149.
If the passenger door is open when
Q
is pressed, all doors lock.
Pressing
Qmay also arm the alarm
system. See Vehicle Alarm System 050. If equipped with remote folding
mirrors, press and hold
Qfor
one second to remotely fold the
mirrors, if enabled. See Vehicle
Personalization 0149.
K:Press to unlock the driver door.
Press
Kagain within five seconds to
unlock all doors. The RKE transmitter
can be programmed to unlock all
doors on the first button press. See
Vehicle Personalization 0149.
The turn signal indicators may flash
to indicate unlocking. See Vehicle
Personalization 0149. When remotely
unlocking the vehicle at night, the
lights come on briefly to light your
approach to the vehicle.
Pressing
Kwill disarm the alarm
system. See Vehicle Alarm System 050.
If equipped with remote folding
mirrors, press and hold
Kfor
one second to remotely unfold the
mirrors, if enabled. See Vehicle
Personalization 0149. Press and hold
Kuntil the windows
fully open. Windows will not operate
unless remote window operation is
enabled. See Vehicle Personalization
0 149.
/:Press and releaseQand then
immediately press and hold
/for at
least four seconds to start the engine
from outside the vehicle using the
RKE transmitter. See Remote Vehicle
Start 036.
7:Press and release one time to
initiate vehicle locator. The exterior
lamps flash and the horn chirps three
times. Press and hold
7for
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.
b: Press twice quickly to open or
close the liftgate.
Press once to stop the liftgate from
moving.

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
12017481) - 2019 - CRC - 11/5/18
KEYS, DOORS, AND WINDOWS 33
Programming Transmitters to
the Vehicle
Only RKE transmitters programmed to
the vehicle will work. If a transmitter
is lost or stolen, a replacement can be
purchased and programmed through
your dealer.
The vehicle can be reprogrammed so
that lost or stolen transmitters no
longer work. Each vehicle can have up
to eight transmitters matched to it.
Programming with Recognized
Transmitters
A new transmitter can be programmed
to the vehicle when there are two
recognized transmitters.
To program, the vehicle must be off
and all of the transmitters, both
currently recognized and new, must
be with you.1. Place the two recognized transmitters into the front
cupholder.
2. Remove the key lock cylinder cap on the driver door handle. See
Door Locks 037. Insert the
vehicle key of the transmitter into the key lock cylinder on the
driver door and turn the key
counterclockwise, to the unlock
position, five times within
10 seconds.
The DIC displays READY FOR
REMOTE #2, 3, 4, ETC.
3. Place the new transmitter into
the front cupholder.
4. Press ENGINE START/STOP. When the transmitter is learned
the DIC display will show that it
is ready to program the next
transmitter. 5. Remove the transmitter from the
front cupholder. and press the
transmitter
KorQbutton.
To program additional
transmitters, repeat Steps 3–5.
When all additional transmitters
are programmed, press and hold
ENGINE START/STOP for
12 seconds to exit
programming mode.
6. Return the key back into the transmitter.
7. Replace the key lock cylinder cap. See Door Locks 037.
Programming without Recognized
Transmitters
If two currently recognized
transmitters are not available, follow
this procedure to program up to eight
transmitters. This feature is not
available in Canada. This procedure
will take approximately 30 minutes to
complete. The vehicle must be off and
all of the transmitters you wish to
program must be with you.

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
12017481) - 2019 - CRC - 11/5/18
34 KEYS, DOORS, AND WINDOWS
1. Remove the key lock cylinder capon the driver door handle. See
Door Locks 037. Insert the
vehicle key of the transmitter
into the key lock cylinder on the
driver door handle and turn the
key counterclockwise, to the
unlock position, five times within
10 seconds.
The DIC displays REMOTE
LEARN PENDING,
PLEASE WAIT.
2. Wait for 10 minutes until the DIC displays PRESS ENGINE
START BUTTON TO LEARN and
then press ENGINE
START/STOP.
The DIC display will again show
REMOTE LEARN PENDING,
PLEASE WAIT.
3. Repeat Step 2 two additional times. After the third time all
previously known transmitters
will no longer work with the
vehicle. Remaining transmitters
can be relearned during the next
steps. The DIC display should now
show READY FOR REMOTE # 1.
4. Place the new transmitter into
the front cupholder.
5. Press ENGINE START/STOP. When the transmitter is learned
the DIC display will show that it
is ready to program the next
transmitter.
6. Remove the transmitter from the front cupholder. and press the
transmitter
KorQbutton. To program additional
transmitters, repeat Steps 4–6.
When all additional transmitters
are programmed, press and hold
ENGINE START/STOP for
12 seconds to exit
programming mode.
7. Return the key back into the transmitter.
8. Replace the key lock cylinder cap. See Door Locks 037.
Starting the Vehicle with a Low
Transmitter Battery
When the vehicle is started, if the
transmitter battery is weak, the DIC
may display NO REMOTE DETECTED
or NO REMOTE KEY WAS DETECTED
PLACE KEY IN TRANSMITTER
POCKET THEN START YOUR
VEHICLE. The DIC may also display
REPLACE BATTERY IN REMOTE KEY.

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
12017481) - 2019 - CRC - 11/5/18
KEYS, DOORS, AND WINDOWS 35
To start the vehicle:
1. Place the transmitter in the frontcupholder.
2. With the vehicle in P (Park) or N (Neutral), press the brake pedal
and ENGINE START/STOP.
Replace the transmitter battery
as soon as possible.
Battery Replacement
Caution
When replacing the battery, do not
touch any of the circuitry on the
transmitter. Static from your body
could damage the transmitter.
Replace the battery if the DIC displays
REPLACE BATTERY IN REMOTE KEY.
1. Press the button on the side of the RKE transmitter near the
bottom and pull the key out.
Never pull the key out without
pressing the button.
2. Separate the two halves of thetransmitter using a flat tool
inserted into the bottom center
of the transmitter. Do not use
the key slot.

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
12017481) - 2019 - CRC - 11/5/18
36 KEYS, DOORS, AND WINDOWS
3. Remove the old battery. Do notuse a metal object.
4. Insert the new battery on the back housing, positive side facing
down. Replace with a CR2032 or
equivalent battery.
5. Align the front and back housing then snap the transmitter
together.
6. Reinsert the key.
Remote Vehicle Start
This feature allows the engine to be
started from outside of the vehicle.
/: This button is on the RKE
transmitter for remote start.
The climate control system will use
the previous settings during a remote
start. The rear defog may come on
during remote start based on cold
ambient conditions. The rear fog
indicator light does not come on
during remote start.
If the vehicle has auto heated or
ventilated seats they may come on
during a remote start. See Heated and
Ventilated Front Seats 069.
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.
Do not use remote start if the vehicle
is low on fuel. The vehicle may run
out of fuel.
Other conditions can affect the
performance of the transmitter. See
Remote Keyless Entry (RKE) System
0 29. Starting the Engine Using Remote
Start
1. Press and release
Qon the RKE
transmitter.
2. Immediately press and hold
/
for at least four seconds or until
the turn signal lamps flash. The
turn signal lamps flashing
confirms 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.
The engine will shut off after
15 minutes unless a time
extension is done or the ignition
is turned on.
3. With the RKE transmitter in the vehicle, press the brake pedal
and start the vehicle to drive.
Extending Engine Run Time
The engine run time can also be
extended by another 15 minutes,
if during the first 15 minutes

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
12017481) - 2019 - CRC - 11/5/18
KEYS, DOORS, AND WINDOWS 37
Steps 1 and 2 are repeated while the
engine is still running. An extension
can be requested 30 seconds after
starting. This provides a total of
30 minutes.
The remote start can only be
extended once.
When the remote start is extended,
the second 15-minute period is added
on to the first 15 minutes for a total
of 30 minutes.
A maximum of two remote starts, or a
remote start with an extension, are
allowed between ignition cycles.
The ignition must be turned on and
then off before the remote start
procedure can be used again.
Canceling a Remote Start
To cancel a remote start, do any of
the following:
.Press and hold
/until the
parking lamps turn off.
. Turn on the hazard warning
flashers. .
Turn the vehicle on and then off.
Conditions in Which Remote Start
Will Not Work
The remote start will not operate if
any of the following occur:
. The RKE transmitter 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.
. Two remote vehicle starts or a
start with an extension have
already 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.
. 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.
(Continued)

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
12017481) - 2019 - CRC - 11/5/18
42 KEYS, DOORS, AND WINDOWS
To open a rear door when the safety
lock is on:1. Press
Kon the power door lock
switch or the Remote Keyless
Entry (RKE) transmitter.
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 toward the left to unlock. Repeat for the
other door.
Doors
Liftgate
{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.
(Continued)
Warning (Continued)
.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.
. If the vehicle is equipped with
a power liftgate, disable the
power liftgate function.
See Engine Exhaust 0193.
Caution
To avoid damage to the liftgate or
liftgate glass, make sure the area
above and behind the liftgate is
clear before opening it.