keyless CADILLAC CT6 2016 User Guide

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-9235592) -
2016 - crc - 11/6/15
38 Keys, Doors, and Windows 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 0 29 .
Key Lock Cylinder Access
To access the key lock cylinder:
1. Pull the door handle to the
open position. 2. Insert the key into the slot on
the bottom of the cap and pry
outward.
3. Move the cap outward and
remove.
To replace the cap:
1. Pull the door handle to the
open position. 2. Insert the tabs (1) on the rear
of the cap into the space
between the seal (2) and the
metal base (3).

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-9235592) -
2016 - crc - 11/6/15
40 Keys, Doors, and Windows transmitter is detected and the
number of RKE transmitters 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
Q on the
power door lock switch.
Unlocked Door Anti-Lockout
If Unlocked Door Anti-Lockout is
turned on and the vehicle is off, the
driver door is open, and locking is
requested, all the doors will lock and
only the driver door will unlock. The
Unlocked Door Anti-Lockout feature
can be turned on or off using the
vehicle personalization menus. See
Vehicle Personalization 0 157 .
Safety Locks The rear door safety locks prevent
passengers from opening the rear
doors from inside the vehicle. Manual Safety Locks
If equipped, the safety lock is on the
inside edge of the rear doors. To
use the safety lock:
1. Move the lever down to the
lock position.
2. Close the door.
3. Do the same 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 using 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 up to unlock.
Do the same for the other door.

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-9235592) -
2016 - crc - 11/6/15
Keys, Doors, and Windows 41
Doors Trunk
{ WarningExhaust 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
(Continued) Warning (Continued) 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 0 209 .
To open the trunk, the vehicle must
be off or the shift lever must be in
P (Park). Manual Trunk
.
Press
| on the driver door.
.
Press
X twice quickly on the
Remote Keyless Entry (RKE)
transmitter.

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-9235592) -
2016 - crc - 11/6/15
42 Keys, Doors, and Windows
.
Press the touch pad on the rear
of the trunk above the license
plate when all doors are
unlocked.
For Keyless Access, the trunk can
be opened while the vehicle is
locked by pressing the touch pad
above the license plate while the
RKE transmitter is within 1 m (3 ft)
of the rear of the vehicle. See
Remote Keyless Entry (RKE)
System Operation 0 29 .
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.
Power Trunk
{ WarningYou or others could be injured if
caught in the path of the power
trunk. Make sure there is no one
in the way of the power trunk as it
is opening and closing.
If equipped, to open the power
trunk:
.
Press and release
| on the
driver door. The driver door must
be unlocked or the vehicle must
be in ON/RUN or Retained
Accessory Power (RAP).
.
Press
X twice quickly on the
RKE transmitter. .
Press the touch pad on the rear
of the trunk after unlocking all
doors or with the RKE
transmitter in range for Keyless
Access.
Monitor the trunk area to make sure
nothing will come in contact or move
into the path of the trunk lid when
power closing.
To close the power trunk:
.
Press and hold
| on the
driver door until the trunk
latches. A chime will sound and
a DIC message will display
when the operation is complete.

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-9235592) -
2016 - crc - 11/6/15
Keys, Doors, and Windows 45On 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 RKE transmitter.
.
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
Q on the RKE
transmitter 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 key.
If the driver door is opened without
first unlocking with the RKE
transmitter, 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
K on the RKE
transmitter 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:
.
Press
K on the RKE transmitter. .
Unlock the vehicle using the
Keyless Access system.
.
Start the vehicle.
To avoid setting off the alarm by
accident:
.
Lock the vehicle after all
occupants have left the vehicle
and all doors are closed.
.
Always unlock a door with the
RKE transmitter or use the
Keyless Access system.
Unlocking the driver door with the
key will not disarm the system or
turn off the alarm.
How to Detect a Tamper
Condition If
K is pressed on the RKE
transmitter and the horn chirps and
the lights flash three times, a
previous alarm occurred while the
system was armed.
If the alarm has been activated, a
message will appear on the DIC.
See Security Messages 0 155 .

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-9235592) -
2016 - crc - 11/6/15
Keys, Doors, and Windows 47The vehicle is automatically
immobilized when the vehicle is
turned off.
The immobilization system is
disarmed when the pushbutton start
is activated to enter the ACC/
ACCESSORY mode or the ON/
RUN/START mode 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 transmitter will start the
vehicle. If the transmitter is ever
damaged, you may not be able to
start your vehicle. When trying to start the vehicle, the
security light may come on briefly
when the ignition is turned on.
If the engine does not start and the
security light stays on, there is a
problem with the system. Turn the
ignition off and try again.
If the vehicle will not change ignition
modes (ACC/ACCESSORY, ON/
RUN/START, OFF), and the RKE
transmitter appears to be
undamaged, try another transmitter.
Or, you may try placing the
transmitter in the transmitter pocket
located in the center console. See
Key and Lock Messages 0 150 .
If the ignition modes will not change
with the other transmitter, your
vehicle needs service. If the ignition
does change modes, the first
transmitter may be faulty. See the
dealer.
It is possible for the immobilizer
system to learn new or replacement
RKE transmitters. Up to eight
transmitters can be programmed for
the vehicle. To program additional
transmitters, see “ Programming Transmitters to the Vehicle ” under
Remote Keyless Entry (RKE)
System Operation 0 29 .
Do not leave the key or device that
disarms or deactivates the
theft-deterrent system in the vehicle.

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-9235592) -
2016 - crc - 11/6/15
48 Keys, Doors, and Windows
Exterior Mirrors Convex Mirrors
{ WarningA convex mirror can make things,
like other vehicles, look farther
away than they really are. If you
cut too sharply into the right lane,
you could hit a vehicle on the
right. Check the inside mirror or
glance over your shoulder before
changing lanes.
The passenger side mirror is convex
shaped. A convex mirror's surface is
curved so more can be seen from
the driver seat. Power Mirrors
1. Move the selector switch to L
(Left) or R (Right) to choose
the driver or passenger mirror.
2. Press one of the four arrows to
move the mirror.
3. Move the selector switch to
)to deselect the mirror.
Power Folding Mirrors
If equipped with power folding
mirrors, press the down arrow on
the control pad while the selector
switch is at
) . Press again to
unfold. Auto Mirror Folding
If equipped, with the ignition off,
press and hold
Q on the RKE
transmitter for approximately
one second to automatically fold the
exterior mirrors. Press and hold
Kon the RKE transmitter for
approximately one second to unfold.
See Remote Keyless Entry (RKE)
System Operation 0 29 .
This feature is turned on or off
through vehicle personalization. See
Vehicle Personalization 0 157 .
Manual Folding Mirrors
If equipped, the mirrors can be
folded inward toward the vehicle to
prevent damage when going
through an automatic car wash.
Push the mirror outward to return it
to the original position.
Exterior Automatic Dimming
Mirror
The vehicle may have exterior
automatic dimming mirrors that will
automatically adjust for the glare of
headlamps behind.

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-9235592) -
2016 - crc - 11/6/15
Instruments and Controls 147
Battery Voltage and
Charging Messages BATTERY SAVER ACTIVE This message displays when the
vehicle has detected that the battery
voltage is dropping beyond a
reasonable point. The battery saver
system starts reducing features of
the vehicle that may be noticed. At
the point that features are disabled,
this message displays. Turn off
unnecessary accessories to allow
the battery to recharge.
LOW BATTERY This message is displayed when the
battery voltage is low. See Battery -
North America 0 284 .
SERVICE BATTERY
CHARGING SYSTEM
This message is displayed when
there is a fault in the battery
charging system. Take the vehicle to
your dealer for service. TRANSPORT MODE ON This message is displayed when the
vehicle is in transport mode. Some
features can be disabled while in
this mode, including Remote
Keyless Entry (RKE), remote start,
and the vehicle alarm system. Take
the vehicle to your dealer for service
to turn transport mode off.
Brake System Messages BRAKE FLUID LOW This message is displayed when the
brake fluid level is low. See Brake
Fluid 0 283 .
BRAKES OVERHEATED This message is displayed when the
brakes are becoming overheated.
This may be seen when driving on
hills. Shift to a lower gear. STEP ON BRAKE TO
RELEASE PARK BRAKE This message is displayed if you
attempt to release the Electric
Parking Brake without the brake
pedal applied. See Electric Parking
Brake 0 214 .
RELEASE PARKING BRAKE This message is displayed if the
Electric Parking Brake is on while
the vehicle is in motion. See Electric
Parking Brake 0 214 .
SERVICE BRAKE ASSIST This message may be displayed
when there is a problem with the
brake boost assist system. The
brake boost assist motor may be
heard and brake pedal pulsation
may be felt. This is normal under
these conditions. Take the vehicle to
your dealer for service.
SERVICE PARKING BRAKE
This message is displayed when
there is a problem with the parking
brake. Take the vehicle to your
dealer for service.

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-9235592) -
2016 - crc - 11/6/15
150 Instruments and Controls before filling to the recommended
level. If the oil is not low and this
message remains on, take the
vehicle to your dealer for service.
See Engine Oil 0 270 .
OIL PRESSURE LOW — TURN
VEHICLE OFF This message displays if low oil
pressure levels occur. Stop the
vehicle as soon as safely possible
and do not operate it until the cause
of the low oil pressure has been
corrected. Check the oil as soon as
possible and have the vehicle
serviced by your dealer.
Engine Power Messages ENGINE POWER IS REDUCED This message displays when the
vehicle's engine power is reduced.
Reduced engine power can affect
the vehicle's ability to accelerate.
If this message is on, but there is no
reduction in performance, proceed
to your destination. The
performance may be reduced the
next time the vehicle is driven. The
vehicle may be driven at a reduced speed while this message is on, but
maximum acceleration and speed
may be reduced. Anytime this
message stays on, the vehicle
should be taken to your dealer for
service as soon as possible.
Fuel System Messages FUEL LEVEL LOW This message displays when the
vehicle is low on fuel. Refuel as
soon as possible.
Key and Lock Messages NO REMOTE KEY WAS
DETECTED PLACE KEY IN
TRANSMITTER POCKET THEN
START YOUR VEHICLE This message displays when trying
to start the vehicle if an RKE
transmitter is not detected. The
transmitter battery may be weak.
See “ Starting the Vehicle with a Low
Transmitter Battery ” under Remote
Keyless Entry (RKE) System
Operation 0 29 . NO REMOTE DETECTED This message displays when the
transmitter battery may be weak.
See “ Starting the Vehicle with a Low
Transmitter Battery ” under Remote
Keyless Entry (RKE) System
Operation 0 29 .
NO REMOTE DETECTED
PRESS BRAKE TO RESTART This message displays when
attempting to turn off the vehicle
and the RKE transmitter is no longer
detected. Restarting is allowed
without the RKE transmitter for
five minutes. Press the brake pedal
and ENGINE START/STOP to
restart the vehicle.
NUMBER OF KEYS
PROGRAMMED This message displays when
programming new keys to the
vehicle.
REMOTE LEFT IN VEHICLE
This message displays when
leaving the vehicle with the RKE
transmitter still inside.

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-9235592) -
2016 - crc - 11/6/15
156 Instruments and Controls
Starting the Vehicle
Messages PRESS BRAKE TO START This message is displayed when
attempting to start the vehicle
without first pressing the brake
pedal.
SERVICE KEYLESS START
SYSTEM This message is displayed if there is
a problem with the pushbutton start
system. Take the vehicle to your
dealer for service.
Tire Messages SERVICE TIRE MONITOR
SYSTEM This message displays if there is a
problem with the Tire Pressure
Monitor System (TPMS). See Tire
Pressure Monitor Operation 0 309 . TIRE LEARNING ACTIVE This message displays when the
system is learning new tires. See
Tire Pressure Monitor
Operation 0 309 .
TIRE PRESSURE LOW ADD
AIR TO TIRE This message displays when the
pressure in one or more of the tires
is low.
This message also displays LEFT
FRONT, RIGHT FRONT, LEFT
REAR, or RIGHT REAR to indicate
the location of the low tire.
The low tire pressure warning light
will also come on. See Tire
Pressure Light 0 137 .
If a tire pressure message appears
on the DIC, stop as soon as
possible. Inflate the tires by adding
air until the tire pressure is equal to
the values shown on the Tire and
Loading Information label. See Tires
0 299 , Vehicle Load Limits 0 198 ,
and Tire Pressure 0 306 . More than one tire pressure
message can appear at a time. The
DIC also shows the tire pressure
values. See Driver Information
Center (DIC) 0 140 .
Transmission Messages SERVICE TRANSMISSION This message displays if there is a
problem with the transmission. See
your dealer.
SHIFT DENIED This message displays when using
Manual Mode and attempting to shift
to a gear not appropriate for the
vehicle speed and engine
revolutions per minute (rpm). See
Manual Mode 0 212 .
SHIFT TO PARK
This message displays when the
transmission needs to be shifted to
P (Park). This may appear when
turning the ignition off if the vehicle
is not in P (Park).