2018 CADILLAC XTS alarm

Cadillac XTS Owner Manual (GMNA-Localizing-U.S./Canada-11354412) -
2018 - crc - 11/16/17
8 IN BRIEF
Initial Drive Information
This section provides a brief overview
about some of the important features
that may or may not be on your
specific vehicle.
For more detailed information, refer to
each of the features which can be
found later in this owner’s manual.
Remote Keyless Entry
(RKE) System
The Remote Keyless Entry (RKE)
transmitter may be used to lock and
unlock the doors from up to 60 m
(197 ft) away from the vehicle.
Q:Press to lock all doors.
K:Press to unlock the driver door or
all doors, depending on the vehicle
personalization settings. See “Remote
Lock, Unlock, Start ”under Vehicle
Personalization 0143.
7:Press and release one time to
initiate vehicle locator. Press and hold
for three seconds to sound the panic
alarm. Press again or start the vehicle
to cancel the panic alarm.
X: Press twice quickly to release the
trunk.
Press the key release button near the
bottom of the transmitter to remove
the key. The key can be used for the
driver door.
See Keys 027 and Remote Keyless
Entry (RKE) System Operation 028.
Remote Vehicle Start
The engine can be started from
outside of the vehicle.
Starting the Vehicle
1. Press and releaseQon the RKE
transmitter.
2. Immediately press and hold
/
for at least four seconds or until
the turn signal lamps flash.
Start the vehicle normally after
entering.
When the vehicle starts, the parking
lamps will turn on.
Remote start can be extended.
Canceling a Remote Start
To cancel a remote start, do one 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.
See Remote Vehicle Start 034.

Cadillac XTS Owner Manual (GMNA-Localizing-U.S./Canada-11354412) -
2018 - crc - 11/16/17
KEYS, DOORS, AND WINDOWS 27
Keys, Doors, and
Windows
Keys and Locks
Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Remote Keyless Entry (RKE)System . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Remote Keyless Entry (RKE) System Operation . . . . . . . . . . . . . . . . 28
Remote Vehicle Start . . . . . . . . . . . . . . 34
Door Locks . . . . . . . . . . . . . . . . . . . . . . . . . 36
Power Door Locks . . . . . . . . . . . . . . . . . 38
Delayed Locking . . . . . . . . . . . . . . . . . . . 38
Automatic Door Locks . . . . . . . . . . . . 39
Lockout Protection . . . . . . . . . . . . . . . . 39
Safety Locks . . . . . . . . . . . . . . . . . . . . . . . . 39
Doors
Trunk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Vehicle Security
Vehicle Security . . . . . . . . . . . . . . . . . . . . 42
Vehicle Alarm System . . . . . . . . . . . . . 42
Immobilizer . . . . . . . . . . . . . . . . . . . . . . . . 43
Immobilizer Operation . . . . . . . . . . . . 43
Exterior Mirrors
Convex Mirrors . . . . . . . . . . . . . . . . . . . . 44
Power Mirrors . . . . . . . . . . . . . . . . . . . . . . 45 Folding Mirrors . . . . . . . . . . . . . . . . . . . . 45
Heated Mirrors . . . . . . . . . . . . . . . . . . . . . 46
Automatic Dimming Mirror . . . . . . . 46
Reverse Tilt Mirrors . . . . . . . . . . . . . . . 46
Interior Mirrors
Interior Rearview Mirrors . . . . . . . . . 46
Automatic Dimming Rearview
Mirror . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Windows
Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Power Windows . . . . . . . . . . . . . . . . . . . . 47
Sun Visors . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Rear Window Sunshade . . . . . . . . . . . 49
Roof
Sunroof . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Keys and Locks
Keys
{Warning
Leaving children in a vehicle with a
Remote Keyless Entry (RKE)
transmitter is dangerous and
children or others could be
seriously injured or killed. They
could operate the power windows
or other controls or make the
vehicle move. The windows will
function with the RKE transmitter
in the vehicle, and children or
others could be caught in the path
of a closing window. Do not leave
children in a vehicle with an RKE
transmitter.

Cadillac XTS Owner Manual (GMNA-Localizing-U.S./Canada-11354412) -
2018 - crc - 11/16/17
KEYS, DOORS, AND WINDOWS 29
Q:Press to lock all doors. The turn
signal indicators may flash and/or the
horn may sound on the second press
to indicate locking. See Vehicle
Personalization 0143.
If the driver door is open when
Qis
pressed, all doors lock and the driver
door will immediately unlock if Open
Door Anti Lockout is enabled. See
Vehicle Personalization 0143. If the
passenger door is open when
Qis
pressed, all doors lock.
Pressing
Qmay also arm the alarm
system. See Vehicle Alarm System 042. If equipped with auto mirror folding,
pressing and holding
Qfor
one second will fold the mirrors,
if enabled. See Vehicle Personalization
0 143.
K:Press to unlock the driver door or
all doors depending on the vehicle
personalization settings. See Vehicle
Personalization 0143. When remotely
unlocking the vehicle at night, the
headlamps and back-up lamps will
come on for about 30 seconds to light
your approach to the vehicle. The turn
signal indicators may flash to indicate
unlocking. See Vehicle Personalization
0 143.
Pressing
Kwill disarm the alarm
system. See Vehicle Alarm System 042.
If equipped with auto mirror folding,
pressing and holding
Kfor
one second will unfold the mirrors,
if enabled. See Vehicle Personalization
0 143.
If equipped with remote window
operation, pressing and holding
Kwill
open all of the windows, if enabled.
See Vehicle Personalization 0143.
/: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 034.
7:Press and release 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.
X: Press twice quickly to release the
trunk.
Keyless Access Operation
The Keyless Access system allows the
doors and trunk to be locked and
unlocked without pressing the RKE
transmitter button. The RKE
transmitter must be within 1 m (3 ft)
of the trunk or door being opened.
The button is on the outside door
handles.

Cadillac XTS Owner Manual (GMNA-Localizing-U.S./Canada-11354412) -
2018 - crc - 11/16/17
42 KEYS, DOORS, AND WINDOWS
There is a glow-in-the-dark emergency
trunk release handle on the trunk lid.
This handle will glow following
exposure to light. Pull the release
handle to open the trunk from the
inside.
After use, return to the stored
position.Vehicle Security
This vehicle has theft-deterrent
features; however, they do not make
the vehicle impossible to steal.
Vehicle Alarm System
This vehicle has an anti-theft alarm
system.
The indicator light, on the instrument
panel near the windshield, indicates
the status of the system.
Off :Alarm system is disarmed.
On 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. Close the trunk and the hood.
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 the
inside
Q.
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.

Cadillac XTS Owner Manual (GMNA-Localizing-U.S./Canada-11354412) -
2018 - crc - 11/16/17
KEYS, DOORS, AND WINDOWS 43
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
Kon 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 for the next unauthorized
event.
Disarming the Alarm System
To disarm the alarm system or turn
off the alarm if it has been activated:
. Press
Kon 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
IfKis pressed and the horn chirps
and the lights flash three times, the
alarm was activated while the alarm
system was armed.
If the alarm system has been
activated, a message will appear on
the DIC.
Immobilizer
See Radio Frequency Statement 0344.
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 ignition is on or in
ACC/ACCESSORY and a valid
transmitter is 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 your
vehicle. Only a correctly matched RKE

Cadillac XTS Owner Manual (GMNA-Localizing-U.S./Canada-11354412) -
2018 - crc - 11/16/17
ONSTAR 349
Security
If equipped, OnStar provides these
services:
.With Stolen Vehicle Assistance,
OnStar Advisors can use GPS to
pinpoint the vehicle and help
authorities quickly recover it.
. With Remote Ignition Block,
if equipped, OnStar can block the
engine from being restarted.
. With Stolen Vehicle Slowdown,
if equipped, OnStar can work with
law enforcement to gradually slow
the vehicle down.
Theft Alarm Notification
If equipped, if the doors are locked
and the vehicle alarm sounds, a
notification by text, e-mail, or phone
call will be sent. If the vehicle is
stolen, an OnStar Advisor can work
with authorities to recover the vehicle.
Navigation
OnStar navigation requires a specific
OnStar service plan. Press
Qto receive Turn-by-Turn
directions or have them sent to the
vehicle’s navigation screen,
if equipped.
Turn-by-Turn Navigation
1. PressQto connect to an
Advisor.
2. Request directions to be downloaded to the vehicle.
3. Follow the voice-guided commands.
Using Voice Commands During a
Planned Route
Functionality of the Voice Command
button may vary by vehicle and
region. For some vehicles, press
=to
open the OnStar app on the
infotainment display. For other
vehicles press
=as follows.
Cancel Route
1. Press
=. System responds:
“OnStar ready,” then a tone. 2. Say
“Cancel route.” System
responds: “Do you want to cancel
directions?”
3. Say “Yes.”System responds: “OK,
request completed, thank you,
goodbye.”
Route Preview
1. Press
=. System responds:
“OnStar ready,” then a tone.
2. Say “Route preview.” System
responds with the next three
maneuvers.
Repeat
1. Press
=. System responds:
“OnStar ready,” then a tone.
2. Say “Repeat.” System responds
with the last direction given,
then responds with “OnStar
ready,” then a tone.
Get My Destination
1. Press
=. System responds:
“OnStar ready,” then a tone.

Cadillac XTS Owner Manual (GMNA-Localizing-U.S./Canada-11354412) -
2018 - crc - 11/16/17
358 INDEX
IndexA
Accessories and Modifications . . . . . 234
Accessory Power . . . . . . . . . . . . . . . . . . . . 185
Adaptive Cruise Control . . . . . . . . . . . . 198
Add-On Electrical Equipment . . . . . . 230
Additional InformationOnStar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 353
Additional Maintenance and Care . . . . . . . . . . . . . . . . . . . . . . . . . . . 323
Adjustments
Lumbar, Front Seats . . . . . . . . . . . . . . . . 57
Thigh Support . . . . . . . . . . . . . . . . . . . . . . 58
Air Cleaner/Filter, Engine . . . . . . . . . . 243
Air Conditioning . . . . . . . . . . . . . . .160, 165
Air Filter, Passenger Compartment . . . . . . . . . . . . . . . . . . . . . 167
Air Vents . . . . . . . . . . . . . . . . . . . . . . . . . . . . 166
Airbag System Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
How Does an Airbag Restrain? . . . . . 79
Passenger Sensing System . . . . . . . . . 81
What Makes an Airbag Inflate? . . . . 79
What Will You See after anAirbag Inflates? . . . . . . . . . . . . . . . . . . . 80
When Should an Airbag Inflate? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
Where Are the Airbags? . . . . . . . . . . . . 76 Airbags
Adding Equipment to the
Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
Passenger Status Indicator . . . . . . . 126
Readiness Light . . . . . . . . . . . . . . . . . . . 126
Servicing Airbag-Equipped Vehicles . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
System Check . . . . . . . . . . . . . . . . . . . . . . . 75
Alarm Vehicle Security . . . . . . . . . . . . . . . . . . . . . 42
Alert
Lane Change . . . . . . . . . . . . . . . . . . . . . . 217
Side Blind Zone (SBZA) . . . . . . . . . . 217
All-Season Tires . . . . . . . . . . . . . . . . . . . . . 268
All-Wheel Drive . . . . . . . . . . . . . . . .190, 254
Antilock Brake System (ABS) . . . . . . 191 Warning Light . . . . . . . . . . . . . . . . . . . . 131
Appearance Care Exterior . . . . . . . . . . . . . . . . . . . . . . . . . . . . 307
Interior . . . . . . . . . . . . . . . . . . . . . . . . . . . . 311
Armrest
Rear Seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Armrest Storage . . . . . . . . . . . . . . . . . . . . . 107
Assistance Systems for Driving . . . . 213
Assistance Systems for Parking and Backing . . . . . . . . . . . . . . . . . . . . . . . 207
Automatic Dimming Mirrors . . . . . . . . . . . . . . . . . . . 46

Cadillac XTS Owner Manual (GMNA-Localizing-U.S./Canada-11354412) -
2018 - crc - 11/16/17
366 INDEX
Safety Defects Reporting (cont'd)U.S. Government . . . . . . . . . . . . . . . . . . 344
Safety Locks . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Safety System Check . . . . . . . . . . . . . . . . 73
Scheduling Appointments . . . . . . . . . . 340
Sealant Kit, Tire . . . . . . . . . . . . . . . . . . . . . 288
Seat Belts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68 Care . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Extender . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
How to Wear Seat BeltsProperly . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Lap-Shoulder Belt . . . . . . . . . . . . . . . . . . . 70
Reminders . . . . . . . . . . . . . . . . . . . . . . . . . 125
Replacing after a Crash . . . . . . . . . . . . . 74
Use During Pregnancy . . . . . . . . . . . . . . 73
Seats Head Restraints . . . . . . . . . . . . . . . . . . . . . 53
Heated and Ventilated Front . . . . . . . 62
Heated, Rear . . . . . . . . . . . . . . . . . . . . . . . . 67
Lumbar Adjustment, Front . . . . . . . . . 57
Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Power Adjustment, Front . . . . . . . . . . 56
Rear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Reclining Seatbacks . . . . . . . . . . . . . . . . 59
Securing Child Restraints . . . . .100, 102
Security Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134
OnStar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 349 Security (cont'd)
Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Vehicle Alarm . . . . . . . . . . . . . . . . . . . . . . . 42
Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167
Accessories andModifications . . . . . . . . . . . . . . . . . . . . 234
Doing Your Own Work . . . . . . . . . . . 234
Maintenance Records . . . . . . . . . . . . 329
Maintenance, General Information . . . . . . . . . . . . . . . . . . . . . . 315
Parts Identification Label . . . . . . . . 330
Publications Ordering Information . . . . . . . . . . . . . . . . . . . . . . 343
Scheduling Appointments . . . . . . . . 340
Service Electric Parking Brake Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130
Services Special Application . . . . . . . . . . . . . . . 322
Servicing the Airbag . . . . . . . . . . . . . . . . . 85
Shift Lock Control Function Check, Automatic
Transmission . . . . . . . . . . . . . . . . . . . . . . 255
Shifting
Into Park . . . . . . . . . . . . . . . . . . . . . . . . . . 185
Out of Park . . . . . . . . . . . . . . . . . . . . . . . . 186
Side Blind Zone Alert (SBZA) . . . . . . 217
Signals, Turn and Lane-Change . . . . 155 Spare Tire
Compact . . . . . . . . . . . . . . . . . . . . . . . . . . . 299
Special Application Services . . . . . . . 322
Specifications and Capacities . . . . . . 331
Speedometer . . . . . . . . . . . . . . . . . . . . . . . . 122
StabiliTrak OFF Light . . . . . . . . . . . . . . . . . . . . . . . . . . 132
Start Assist, Hill . . . . . . . . . . . . . . . . . . . . 193
Start Vehicle, Remote . . . . . . . . . . . . . . . 34
Starter Switch Check . . . . . . . . . . . . . . . 254
Starting the Engine . . . . . . . . . . . . . . . . . 182
Steering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171 Fluid, Power . . . . . . . . . . . . . . . . . . . . . . . 250
Heated Wheel . . . . . . . . . . . . . . . . . . . . . 111
Wheel Adjustment . . . . . . . . . . . . . . . . 111
Wheel Controls . . . . . . . . . . . . . . . . . . . 111
Storage Areas Armrest . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
Cargo Management System . . . . . . 109
Center Console . . . . . . . . . . . . . . . . . . . . 107
Convenience Net . . . . . . . . . . . . . . . . . . 109
Glove Box . . . . . . . . . . . . . . . . . . . . . . . . . 107
Instrument Panel . . . . . . . . . . . . . . . . . 106
Storage Compartments . . . . . . . . . . . . . 106
Storing the Tire Sealant and Compressor Kit . . . . . . . . . . . . . . . . . . . . 295
Struts Gas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 256