2018 CADILLAC CT6 battery

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-11292458) -
2018 - crc - 2/14/17
40 KEYS, DOORS, AND WINDOWS
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.
5. Place the new transmitter in thetransmitter pocket. The center
console storage area will need to
be opened.
6. Press ENGINE START/STOP. When the transmitter is learned,
the DIC display will show that it
is ready to program the next
transmitter. 7. Remove the transmitter from the
transmitter pocket and press
K
orQon the transmitter.
To program additional
transmitters, repeat Steps 5–7.
When all additional transmitters
are programmed, press and hold
ENGINE START/STOP for
approximately 12 seconds to exit
programming mode.
8. Put the vehicle key back into the transmitter.
Starting the Vehicle with a Low
Transmitter Battery
If the transmitter battery is weak or if
there is interference with the signal,
the DIC may display NO REMOTE
DETECTED or NO REMOTE KEY WAS
DETECTED PLACE KEY IN
TRANSMITTER POCKET THEN
START YOUR VEHICLE when starting
the vehicle.
To start the vehicle:
1. Open the center console storage area.
2. Place the transmitter in thetransmitter pocket.
3. 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.

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-11292458) -
2018 - crc - 2/14/17
KEYS, DOORS, AND WINDOWS 41
Replace the battery if the REPLACE
BATTERY IN REMOTE KEY message
displays in the DIC.
1. Press the button on the side ofthe transmitter near the bottom
and pull the key out.
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.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.

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-11292458) -
2018 - crc - 2/14/17
42 KEYS, DOORS, AND WINDOWS
Remote Vehicle Start
If equipped, this feature allows the
engine to be started from outside the
vehicle.
For the PLUG-IN vehicle, the engine
will only start if needed for warming
functions or high voltage battery
charging.
/:This button will be on the RKE
transmitter if the vehicle has 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.
If equipped, the heated seats and
heated steering wheel or ventilated
seats may come on when enabled in
vehicle personalization. See Vehicle
Personalization 0170.
If equipped, the heated and ventilated
front seats may also come on when
the vehicle personalization setting is
enabled. See Heated and Ventilated
Front Seats 072. 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 RKE transmitter range may be
shorter while the vehicle is running.
Other conditions can affect the
performance of the transmitter. See
Remote Keyless Entry (RKE) System
0
35.
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. This
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
10 minutes unless a time
extension is done or the vehicle
is started.
3. Press the brake pedal and start the vehicle to drive.
Extending Engine Run Time
The engine run time can also be
extended by another 10 minutes,
if during the first 10 minutes
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
20 minutes.
The remote start can only be
extended once.
When the remote start is extended,
the second 10 minute period is added
on to the first 10 minutes for a total
of 20 minutes.

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-11292458) -
2018 - crc - 2/14/17
KEYS, DOORS, AND WINDOWS 43
A maximum of two remote starts, or a
remote start with an extension, are
allowed between ignition cycles.
The vehicle's ignition must be turned
from on to 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 ignition is in any mode other
than OFF.
. A 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 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
(Continued)
Warning (Continued)
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 door from
outside the vehicle:
. Press
QorKon the Remote
Keyless Entry (RKE) transmitter.
. In the case of a dead battery, use
the key in the driver door. The key
cylinder is covered with a cap.

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-11292458) -
2018 - crc - 2/14/17
44 KEYS, DOORS, AND WINDOWS
To lock or unlock the door from inside
the vehicle:
.Press
QorKon the power door
lock switch.
. Pulling an interior door handle
will unlock the door. Pulling the
door handle again unlatches it.
Keyless Access
Press the lock/unlock button when the
RKE transmitter is within 1 m (3 ft) of
the driver door handle. When
unlocking from the driver door, the
first press unlocks that door; press
again within five seconds to unlock all
passenger doors. See Remote Keyless
Entry (RKE) System Operation 035. Driver Door Key Cylinder Access (In
Case of Dead Battery)
To access the key cylinder:
1. Pull the door handle (1) to the open position.
2. Insert the key into the slot (3) on the bottom of the cap (2) and
pry outward.
3. Move the cap (2) rearward and remove.
4. Use the key in the cylinder.
To replace the cap: 1. Pull the door handle to the open position.
2. Insert the two tabs (7) at theback of the cap (6) between the
seal (4) and the metal base (5).

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-11292458) -
2018 - crc - 2/14/17
48 KEYS, DOORS, AND WINDOWS
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, use the
emergency trunk release handle.
Manual Trunk Access (PLUG–
IN Only)
PLUG-IN vehicles have a trunk access
handle in case of a power loss.
The handle is under the trim between
the rear seat and the rear driver side
door frame.
To access:
1. Remove the trim molding bypulling until the top three
attachments are removed.
2. While holding the trim molding,pull the trunk release handle
until the trunk manually opens.
3. Place the handle back in its original position and reinstall the
three attachments. Make sure
the trim molding is reinstalled
properly.

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-11292458) -
2018 - crc - 2/14/17
KEYS, DOORS, AND WINDOWS 53
The power sounder provides an
audible alarm, which is distinct from
the vehicle’s horn. It has its own
power source, and can sound an alarm
if the vehicle’s battery is
compromised.
The inclination sensor can set off the
alarm if it senses movement of the
vehicle, such as a change in vehicle
orientation.
The intrusion sensor monitors the
vehicle interior, and can activate the
alarm if it senses unauthorized entry
into the vehicle’s interior. Do not
allow passengers or pets to remain in
the vehicle when the intrusion sensor
is activated.
Before arming the theft-deterrent
system and activating the intrusion
sensor:
.Make sure all doors and windows
are completely closed.
. Secure any loose items such as
sunshades.
. Make sure there are no
obstructions blocking the sensors
in the front overhead console.Inclination and Intrusion
Sensors Disable Switch
It is recommended that the intrusion
and inclination sensors be deactivated
if pets are left in the vehicle or if the
vehicle is being transported.
With the vehicle turned off, presso
in the front overhead console. The
indicator light will come on
momentarily, indicating that these
sensors have been disabled for the
next alarm system arming cycle.
Immobilizer
See Radio Frequency Statement 0417.
Immobilizer Operation
This vehicle has a passive
theft-deterrent system.
The system does not have to be
manually armed or disarmed.
The vehicle is automatically
immobilized when the vehicle is
turned off.
The immobilization system is
disarmed when the vehicle is started
or the ignition is in ACC/ACCESSORY
and a valid transmitter is present in
the vehicle.
The security light, in the instrument
cluster, comes on if there is a problem
with arming or disarming the
theft-deterrent system.
The system has one or more RKE
transmitters matched to an
immobilizer control unit in the
vehicle. Only a correctly matched RKE

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-11292458) -
2018 - crc - 2/14/17
60 KEYS, DOORS, AND WINDOWS
Warning (Continued)
override, make sure that all people
and obstructions are clear of the
window path.
When the engine is on, override the
automatic reversal system by pulling
and holding the window switch if
conditions prevent it from closing.
Programming the Power
Windows
Programming may be necessary if the
vehicle battery has been disconnected
or discharged. If the window is unable
to express-up, program each
express-close window: 1. Close all doors.
2. Turn the ignition on or to ACC/ ACCESSORY.
3. Partially open the window to be programmed. Then close it and
continue to pull the switch
briefly after the window has fully
closed. 4. Open the window and continue
to press the switch briefly after
the window has fully opened.
Remote Window Operation
If equipped, this feature allows all the
windows to be opened remotely.
If enabled in vehicle personalization,
press and hold
Kon the RKE
transmitter. See Vehicle Personalization
0 170.
Sun Visors
Pull the sun visor down to block glare.
Detach the sun visor from the center
mount to pivot to the side window,
or to extend along the rod.
Rear Window Sunshade
If equipped, press and release the
switch. The rear window sunshade
will fully extend. To close the
sunshade, press and release the switch
again. The sunshade will fully close.
When shifting the vehicle into
R (Reverse), the rear window
sunshade will automatically retract if