2018 CADILLAC ATS alarm

Cadillac XTS Owner Manual (GMNA-Localizing-U.S./Canada-12032610) -
2019 - crc - 8/22/18
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 0147.
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 on the
side of the transmitter to pull out the
key. Never pull the key out without
pressing the button. The key can be
used for the driver door.
See Keys 026 and Remote Keyless
Entry (RKE) System Operation 027.
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-12032610) -
2019 - crc - 8/22/18
26 KEYS, DOORS, AND WINDOWS
Keys, Doors, and
Windows
Keys and Locks
Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Remote Keyless Entry (RKE)System . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Remote Keyless Entry (RKE) System Operation . . . . . . . . . . . . . . . . 27
Remote Vehicle Start . . . . . . . . . . . . . . 34
Door Locks . . . . . . . . . . . . . . . . . . . . . . . . . 35
Power Door Locks . . . . . . . . . . . . . . . . . 37
Delayed Locking . . . . . . . . . . . . . . . . . . . 37
Automatic Door Locks . . . . . . . . . . . . 38
Lockout Protection . . . . . . . . . . . . . . . . 38
Safety Locks . . . . . . . . . . . . . . . . . . . . . . . . 38
Doors
Trunk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Vehicle Security
Vehicle Security . . . . . . . . . . . . . . . . . . . . 41
Vehicle Alarm System . . . . . . . . . . . . . 41
Immobilizer . . . . . . . . . . . . . . . . . . . . . . . . 43
Immobilizer Operation . . . . . . . . . . . . 43
Exterior Mirrors
Convex Mirrors . . . . . . . . . . . . . . . . . . . . 44
Power Mirrors . . . . . . . . . . . . . . . . . . . . . . 44 Folding Mirrors . . . . . . . . . . . . . . . . . . . . 44
Heated Mirrors . . . . . . . . . . . . . . . . . . . . . 45
Automatic Dimming Mirror . . . . . . . 45
Reverse Tilt Mirrors . . . . . . . . . . . . . . . 45
Interior Mirrors
Interior Rearview Mirrors . . . . . . . . . 46
Automatic Dimming Rearview
Mirror . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Windows
Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Power Windows . . . . . . . . . . . . . . . . . . . . 46
Sun Visors . . . . . . . . . . . . . . . . . . . . . . . . . . 48
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-12032610) -
2019 - crc - 8/22/18
28 KEYS, DOORS, AND WINDOWS
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 0147.
If the driver door is open when is
pressed and Open Door Anti-Lockout
is enabled, all doors will lock and then
the driver door will immediately
unlock. See Vehicle Personalization
0 147
If the passenger door is open when
Q
is pressed, all doors lock.
Pressing
Qmay also arm the alarm
system. See Vehicle Alarm System 041. If equipped with remote mirror
folding, pressing and holding
Qfor
one second will fold the mirrors,
if enabled. See Vehicle Personalization
0 147.
K:Press to unlock the driver door or
all doors depending on the vehicle
personalization settings. See Vehicle
Personalization 0147. 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
0 147.
Pressing
Kwill disarm the alarm
system. See Vehicle Alarm System 041.
If equipped with remote mirror
folding, pressing and holding
Kfor
one second will unfold the mirrors,
if enabled. See Vehicle Personalization
0 147. If equipped with remote windows,
press and hold
Kto open the
windows from outside the vehicle,
if enabled. See Vehicle Personalization
0 147.
/:If equipped, 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 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.
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

Cadillac XTS Owner Manual (GMNA-Localizing-U.S./Canada-12032610) -
2019 - crc - 8/22/18
KEYS, DOORS, AND WINDOWS 41
Emergency Trunk Release
Handle
Caution
Do not use the emergency trunk(Continued)
Caution (Continued)
release handle as a tie-down or
anchor point when securing items
in the trunk as it could damage the
handle.
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.

Cadillac XTS Owner Manual (GMNA-Localizing-U.S./Canada-12032610) -
2019 - crc - 8/22/18
42 KEYS, DOORS, AND WINDOWS
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. 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.

Cadillac XTS Owner Manual (GMNA-Localizing-U.S./Canada-12032610) -
2019 - crc - 8/22/18
354 ONSTAR
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.
OnStar Additional
Information
In-Vehicle Audio Messages
Audio messages may play important
information at the following times:
.Prior to vehicle purchase. Press
Q
to set up an account.
. After change in ownership and at
90 days.
Transferring Service
PressQto request account transfer
eligibility information. The Advisor
can cancel or change account
information.
Selling/Transferring the Vehicle
Call 1-888-4ONSTAR (1-888-466-7827)
immediately to terminate your OnStar
or connected services if the vehicle is
disposed of, sold, transferred, or if the
lease ends.
Reactivation for Subsequent
Owners
PressQand follow the prompts to
speak to an Advisor as soon as
possible. The Advisor will update
vehicle records and explain OnStar or
connected service options.
How OnStar Service Works
Automatic Crash Response,
Emergency Services, Crisis Assist,
Stolen Vehicle Assistance, Remote
Services, Roadside Assistance, and
Hands-Free Calling are available on
most vehicles. Not all OnStar services
are available everywhere or on all
vehicles. For more information, a full
description of OnStar services, system
limitations, and OnStar User Terms,
Privacy Statement, and Software
Terms:
. Call 1-888-4ONSTAR
(1-888-466-7827).
. See www.onstar.com (U.S.).
. See www.onstar.ca (Canada).
. Call TTY 1-877-248-2080.
. Press
Qto speak with an Advisor.

Cadillac XTS Owner Manual (GMNA-Localizing-U.S./Canada-12032610) -
2019 - crc - 8/22/18
364 INDEX
IndexA
Accessories and Modifications . . . . . 238
Accessory Power . . . . . . . . . . . . . . . . . . . . 188
Adaptive Cruise Control . . . . . . . . . . . . 202
Add-On Electrical Equipment . . . . . . 235
Additional InformationOnStar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 354
Additional Maintenance and Care . . . . . . . . . . . . . . . . . . . . . . . . . . . 329
Adjustments
Lumbar, Front Seats . . . . . . . . . . . . . . . . 57
Thigh Support . . . . . . . . . . . . . . . . . . . . . . 59
Air Cleaner/Filter, Engine . . . . . . . . . . 248
Air Conditioning . . . . . . . . . . . . . . .163, 168
Air Filter, Passenger Compartment . . . . . . . . . . . . . . . . . . . . . 170
Air Vents . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169
Airbag System Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
How Does an Airbag Restrain? . . . . . 81
Passenger Sensing System . . . . . . . . . 82
What Makes an Airbag Inflate? . . . . 80
What Will You See after anAirbag Inflates? . . . . . . . . . . . . . . . . . . . 81
When Should an Airbag Inflate? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Where Are the Airbags? . . . . . . . . . . . . 78 Airbags
Adding Equipment to the
Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
Passenger Status Indicator . . . . . . . 130
Readiness Light . . . . . . . . . . . . . . . . . . . 129
Servicing Airbag-Equipped Vehicles . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
System Check . . . . . . . . . . . . . . . . . . . . . . . 76
Alarm Vehicle Security . . . . . . . . . . . . . . . . . . . . . 41
Alert
Lane Change . . . . . . . . . . . . . . . . . . . . . . 221
Side Blind Zone (SBZA) . . . . . . . . . . 221
All-Season Tires . . . . . . . . . . . . . . . . . . . . . 273
All-Wheel Drive . . . . . . . . . . . . . . . .193, 259
Antilock Brake System (ABS) . . . . . . 194 Warning Light . . . . . . . . . . . . . . . . . . . . 134
Appearance Care Exterior . . . . . . . . . . . . . . . . . . . . . . . . . . . . 312
Interior . . . . . . . . . . . . . . . . . . . . . . . . . . . . 316
Armrest
Rear Seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Armrest Storage . . . . . . . . . . . . . . . . . . . . . 109
Assistance Systems for Driving . . . . 217
Assistance Systems for Parking and Backing . . . . . . . . . . . . . . . . . . . . . . . 211
Automatic Dimming Mirrors . . . . . . . . . . . . . . . . . . . 45

Cadillac XTS Owner Manual (GMNA-Localizing-U.S./Canada-12032610) -
2019 - crc - 8/22/18
372 INDEX
Safety Defects Reporting (cont'd)U.S. Government . . . . . . . . . . . . . . . . . . 349
Safety Locks . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Safety System Check . . . . . . . . . . . . . . . . 75
Scheduling Appointments . . . . . . . . . . 345
Sealant Kit, Tire . . . . . . . . . . . . . . . . . . . . . 293
Seat Belts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68 Care . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Extender . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
How to Wear Seat BeltsProperly . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Lap-Shoulder Belt . . . . . . . . . . . . . . . . . . . 71
Reminders . . . . . . . . . . . . . . . . . . . . . . . . . 128
Replacing after a Crash . . . . . . . . . . . . . 75
Use During Pregnancy . . . . . . . . . . . . . . 74
Seats Head Restraints . . . . . . . . . . . . . . . . . . . . . 53
Heated and Ventilated Front . . . . . . . 63
Heated, Rear . . . . . . . . . . . . . . . . . . . . . . . . 67
Lumbar Adjustment, Front . . . . . . . . . 57
Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Power Adjustment, Front . . . . . . . . . . 56
Rear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Reclining Seatbacks . . . . . . . . . . . . . . . . 59
Securing Child Restraints . . . . .102, 104
Security Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138
OnStar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 354 Security (cont'd)
Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Vehicle Alarm . . . . . . . . . . . . . . . . . . . . . . . 41
Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 170
Accessories andModifications . . . . . . . . . . . . . . . . . . . . 238
Doing Your Own Work . . . . . . . . . . . 238
Maintenance Records . . . . . . . . . . . . 335
Maintenance, General Information . . . . . . . . . . . . . . . . . . . . . . 321
Parts Identification Label . . . . . . . . 336
Scheduling Appointments . . . . . . . . 345
Service Electric Parking Brake Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134
Services Special Application . . . . . . . . . . . . . . . 328
Servicing the Airbag . . . . . . . . . . . . . . . . . 87
Shift Lock Control Function Check, Automatic
Transmission . . . . . . . . . . . . . . . . . . . . . . 259
Shifting Into Park . . . . . . . . . . . . . . . . . . . . . . . . . . 188
Out of Park . . . . . . . . . . . . . . . . . . . . . . . . 189
Side Blind Zone Alert (SBZA) . . . . . . 221
Signals, Turn and Lane-Change . . . . 158
Spare Tire Compact . . . . . . . . . . . . . . . . . . . . . . . . . . . 305
Special Application Services . . . . . . . 328 Specifications and Capacities . . . . . . 337
Speedometer . . . . . . . . . . . . . . . . . . . . . . . . 125
StabiliTrak
OFF Light . . . . . . . . . . . . . . . . . . . . . . . . . . 136
Start Assist, Hill . . . . . . . . . . . . . . . . . . . . 196
Start Vehicle, Remote . . . . . . . . . . . . . . . 34
Starter Switch Check . . . . . . . . . . . . . . . 259
Starting the Engine . . . . . . . . . . . . . . . . . 185
Steering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 174 Fluid, Power . . . . . . . . . . . . . . . . . . . . . . . 255
Heated Wheel . . . . . . . . . . . . . . . . . . . . . 113
Wheel Adjustment . . . . . . . . . . . . . . . . 113
Wheel Controls . . . . . . . . . . . . . . . . . . . 113
Storage Areas Armrest . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
Cargo Management System . . . . . . 111
Center Console . . . . . . . . . . . . . . . . . . . . 109
Convenience Net . . . . . . . . . . . . . . . . . . 111
Glove Box . . . . . . . . . . . . . . . . . . . . . . . . . 109
Instrument Panel . . . . . . . . . . . . . . . . . 108
Storage Compartments . . . . . . . . . . . . . 108
Storing the Tire Sealant and
Compressor Kit . . . . . . . . . . . . . . . . . . . . 300
Struts Gas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 261
Stuck Vehicle . . . . . . . . . . . . . . . . . . . . . . . 179
Summer Tires . . . . . . . . . . . . . . . . . . . . . . . 273
Sun Visors . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48