2018 CADILLAC CTS ECU

Cadillac CTS/CTS-V Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
11349156) - 2018 - CRC - 10/2/17
ONSTAR 371
OnStar
OnStar Overview
OnStar Overview . . . . . . . . . . . . . . . . . . 371
OnStar Services
Emergency . . . . . . . . . . . . . . . . . . . . . . . . 372
Security . . . . . . . . . . . . . . . . . . . . . . . . . . . 373
Navigation . . . . . . . . . . . . . . . . . . . . . . . . 373
Connections . . . . . . . . . . . . . . . . . . . . . . 374
Diagnostics . . . . . . . . . . . . . . . . . . . . . . . 376
OnStar Additional Information
OnStar AdditionalInformation . . . . . . . . . . . . . . . . . . . . . 377
OnStar Overview
=Voice Command Button
QBlue OnStar Button
>Red Emergency Button
This vehicle may be equipped with a
comprehensive, in-vehicle system that
can connect to an OnStar Advisor for
Emergency, Security, Navigation,
Connections, and Diagnostics Services.
OnStar services may require a paid
service plan and data plan. OnStar
requires the vehicle battery and
electrical system, cellular service, and
GPS satellite signals to be available
and operating. OnStar acts as a link to
existing emergency service providers.
OnStar may collect information about you and your vehicle, including
location information. See OnStar User
Terms, Privacy Statement, and
Software Terms for more details
including system limitations at
www.onstar.com (U.S.) or
www.onstar.ca (Canada).
The OnStar system status light is next
to the OnStar buttons. If the status
light is:
.
Solid Green: System is ready.
. Flashing Green: On a call.
. Red: Indicates a problem.
. Off: System is active. Press
Q
twice to speak with an OnStar
Advisor.
Press
Qor call 1-888-4ONSTAR
(1-888-466-7827) to speak to an
Advisor.
Functionality of the Voice Command
button may vary by vehicle and
region.

Cadillac CTS/CTS-V Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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ONSTAR 373
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 or connected 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 CTS/CTS-V Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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374 ONSTAR
2. Say“Get my destination.” System
responds with the address and
distance to the destination, then
responds with “OnStar ready,”
then a tone.
Send Destination to Vehicle
Directions can be sent to the vehicle’s
navigation screen, if equipped.
Press
Q, then ask the Advisor to
download directions to the vehicle’s
navigation system, if equipped. After
the call ends, the navigation screen
will provide prompts to begin driving
directions. Routes that are sent to the
navigation screen can only be
canceled through the navigation
system.
See www.onstar.com (U.S.) or
www.onstar.ca (Canada).
Connections
The following OnStar services help
with staying connected.
For coverage maps, see
www.onstar.com (U.S.) or
www.onstar.ca (Canada). Ensuring Security
.
Change the default passwords for
the Wi-Fi hotspot and myCadillac
mobile app. Make these passwords
different from each other and use
a combination of letters, numbers,
and symbols to increase the
security.
. Change the default name of the
SSID (Service Set Identifier). This
is your network’s name that is
visible to other wireless devices.
Choose a unique name and avoid
family names or vehicle
descriptions.
OnStar Wi-Fi Hotspot (If Equipped)
The vehicle may have a built-in Wi-Fi
hotspot that provides access to the
Internet and web content at 4G LTE
speed. Up to seven mobile devices can
be connected. A data plan is required.
Use the in-vehicle controls only when
it is safe to do so. 1. To retrieve Wi-Fi hotspot information, press
=to open
the OnStar app on the
infotainment display, then select Wi-Fi Hotspot. On some vehicles,
touch Wi-Fi or Wi-Fi Settings on
the screen.
2. The Wi-Fi settings will display the Wi-Fi hotspot name (SSID),
password, and on some vehicles,
the connection type (no Internet
connection, 3G, 4G, 4G LTE), and
signal quality (poor, good,
excellent).
3. To change the SSID or password, press
Qor call 1-888-4ONSTAR
to connect with an Advisor. On
some vehicles, the SSID and
password can be changed in the
Wi-Fi Hotspot menu.
After initial set-up, your vehicle’s
Wi-Fi hotspot will connect
automatically to your mobile devices.
Manage data usage by turning Wi-Fi
on or off on your mobile device, by
using the myCadillac mobile app,
or by contacting an OnStar Advisor.
On some vehicles, Wi-Fi can also be
managed from the Wi-Fi
Hotspot menu.

Cadillac CTS/CTS-V Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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ONSTAR 379
However, OnStar could have
difficulty identifying the exact
location.
. In emergency situations, OnStar
can use the last stored GPS
location to send to emergency
responders.
A temporary loss of GPS can cause
loss of the ability to send a
Turn-by-Turn Navigation route. The
Advisor may give a verbal route or
may ask for a call back after the
vehicle is driven into an open area.
Cellular and GPS Antennas
Cellular reception is required for
OnStar to send remote signals to the
vehicle. Do not place items over or
near the antenna to prevent blocking
cellular and GPS signal reception.
Unable to Connect to OnStar
Message
If there is limited cellular coverage or
the cellular network has reached
maximum capacity, this message may
come on. Press
Qto try the call again
or try again after driving a few miles
into another cellular area.
Vehicle and Power Issues
OnStar services require a vehicle
electrical system, wireless service, and
GPS satellite technologies to be
available and operating for features to
function properly. These systems may
not operate if the battery is
discharged or disconnected.
Add-on Electrical Equipment
The OnStar system is integrated into
the electrical architecture of the
vehicle. Do not add any electrical
equipment. See Add-On Electrical
Equipment 0251. Added electrical
equipment may interfere with the
operation of the OnStar system and
cause it to not operate.
Vehicle Software Updates
OnStar or GM may remotely deliver
software updates or changes to the
vehicle without further notice or
consent. These updates or changes
may enhance or maintain safety,
security, or the operation of the
vehicle or the vehicle systems.
Software updates or changes may
affect or erase data or settings that are stored in the vehicle, such as
OnStar Hands-Free Calling name tags,
saved navigation destinations,
or pre-set radio stations. Neither
OnStar nor GM is responsible for any
affected or erased data or settings.
These updates or changes may also
collect personal information. Such
collection is described in the OnStar
privacy statement or separately
disclosed at the time of installation.
These updates or changes may also
cause a system to automatically
communicate with GM servers to
collect information about vehicle
system status, identify whether
updates or changes are available,
or deliver updates or changes. An
active OnStar agreement constitutes
consent to these software updates or
changes and agreement that either
OnStar or GM may remotely deliver
them to the vehicle.
Privacy
The complete OnStar Privacy
Statement may be found at
www.onstar.com (U.S.),
or www.onstar.ca (Canada). We
recommend that you review it. If you

Cadillac CTS/CTS-V Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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ONSTAR 381
Christian Spieler, Cosmin Truta,
Antoine Verheijen, Paul von Behren,
Rich Wales, Mike White.
This software is provided“as is,”
without warranty of any kind, express
or implied. In no event shall Info-ZIP
or its contributors be held liable for
any direct, indirect, incidental, special
or consequential damages arising out
of the use of or inability to use this
software.
Permission is granted to anyone to
use this software for any purpose,
including commercial applications,
and to alter it and redistribute it
freely, subject to the following
restrictions:
1. Redistributions of source code must retain the above copyright
notice, definition, disclaimer, and
this list of conditions.
2. Redistributions in binary form (compiled executables) must
reproduce the above copyright
notice, definition, disclaimer, and
this list of conditions in
documentation and/or other
materials provided with the distribution. The sole exception
to this condition is redistribution
of a standard UnZipSFX binary
(including SFXWiz) as part of a
self-extracting archive; that is
permitted without inclusion of
this license, as long as the
normal SFX banner has not been
removed from the binary or
disabled.
3. Altered versions–including, but not limited to, ports to new
operating systems, existing ports
with new graphical interfaces,
and dynamic, shared, or static
library versions–must be plainly
marked as such and must not be
misrepresented as being the
original source. Such altered
versions also must not be
misrepresented as being Info-ZIP
releases–including, but not
limited to, labeling of the altered
versions with the names
“Info-ZIP” (or any variation
thereof, including, but not
limited to, different
capitalizations), “Pocket UnZip,”
“WiZ” or“MacZip ”without the
explicit permission of Info-ZIP. Such altered versions are further
prohibited from
misrepresentative use of the
Zip-Bugs or Info-ZIP e-mail
addresses or of the
Info-ZIP URL(s).
4. Info-ZIP retains the right to use the names “Info-ZIP,” “Zip,”
“UnZip,” “UnZipSFX,” “WiZ,”
“Pocket UnZip,” “Pocket Zip,” and
“MacZip ”for its own source and
binary releases.

Cadillac CTS/CTS-V Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
11349156) - 2018 - CRC - 9/29/17
382 INDEX
IndexA
Accessories and Modifications . . . . . 254
Accessory Power . . . . . . . . . . . . . . . . . . . . 197
Adaptive Cruise Control . . . . . . . . . . . . 217
Adaptive ForwardLighting (AFL) . . . . . . . . . . . . . . . . . . . . . 156
Adaptive Forward Lighting (AFL) Light . . . . . . . . . . . . . . . . . . . . . . . . 135
Add-On Electrical Equipment . . . . . . 251
Additional Information OnStar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 377
Additional Maintenance and Care . . . . . . . . . . . . . . . . . . . . . . . . . . . 345
Adjustments
Lumbar, Front Seats . . . . . . . . . . . . . . . . 60
Thigh Support . . . . . . . . . . . . . . . . . . . . . . 60
Air Cleaner/Filter, Engine . . . . . . . . . . 267
Air Conditioning . . . . . . . . . . . . . . .167, 172
Air Filter, Passenger Compartment . . . . . . . . . . . . . . . . . . . . . 175
Air Vents . . . . . . . . . . . . . . . . . . . . . . . . . . . . 174
Airbag System Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
How Does an Airbag Restrain? . . . . . 81
Passenger Sensing System . . . . . . . . . 82
What Makes an Airbag Inflate? . . . . 80
What Will You See after anAirbag Inflates? . . . . . . . . . . . . . . . . . . . 81 Airbag System (cont'd)
When Should an Airbag
Inflate? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Where Are the Airbags? . . . . . . . . . . . . 78
Airbags Adding Equipment to theVehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
Passenger Status Indicator . . . . . . . 126
Readiness Light . . . . . . . . . . . . . . . . . . . 126
Servicing Airbag-Equipped Vehicles . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
System Check . . . . . . . . . . . . . . . . . . . . . . . 76
Alarm Vehicle Security . . . . . . . . . . . . . . . . . . . . . 44
Alert Lane Change . . . . . . . . . . . . . . . . . . . . . . 236
Side Blind Zone (SBZA) . . . . . . . . . . 236
All-Season Tires . . . . . . . . . . . . . . . . . . . . . 295
All-Wheel Drive . . . . . . . . . . . . . . . .203, 279
Antilock Brake System (ABS) . . . . . . 204
Warning Light . . . . . . . . . . . . . . . . . . . . 131
Appearance Care Exterior . . . . . . . . . . . . . . . . . . . . . . . . . . . . 329
Interior . . . . . . . . . . . . . . . . . . . . . . . . . . . . 333
Armrest Storage . . . . . . . . . . . . . . . . . . . . . 107
Assistance Systems for Driving . . . . 232
Assistance Systems for Parking and Backing . . . . . . . . . . . . . . . . . . . . . . . 226

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INDEX 383
Auto Stop Mode . . . . . . . . . . . . . . . . . . . . 135
AutomaticDimming Mirrors . . . . . . . . . . . . . . . . . . . 48
Door Locks . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Forward Braking . . . . . . . . . . . . . . . . . . 235
Headlamp System . . . . . . . . . . . . . . . . 156
Transmission . . . . . . . . . . . . . . . . . . . . . . 200
Transmission Fluid . . . . . . . . . . . . . . . 266
Automatic Transmission Manual Mode . . . . . . . . . . . . . . . . . . . . . 202
Shift Lock Control FunctionCheck . . . . . . . . . . . . . . . . . . . . . . . . . . . . 280
B
BatteryExterior Lighting BatterySaver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160
Load Management . . . . . . . . . . . . . . . . 159
Power Protection . . . . . . . . . . . . . . . . . . 160
Battery - North America . . . . . .277, 323
Blade Replacement, Wiper . . . . . . . . . 280
Boost Gauge . . . . . . . . . . . . . . . . . . . . . . . . . 123
Brake Parking, Electric . . . . . . . . . . . . . . . . . . 204
System Warning Light . . . . . . . . . . . . 129
Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 275
Antilock . . . . . . . . . . . . . . . . . . . . . . . . . . . 204
Assist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206 Brakes (cont'd)
Fluid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 276
Braking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 178 Automatic Forward . . . . . . . . . . . . . . . 235
Break-In, New Vehicle . . . . . . . . . . . . . . 191
Bulb Replacement Back-up Lamps . . . . . . . . . . . . . . . . . . . 283
Halogen Bulbs . . . . . . . . . . . . . . . . . . . . 283
Headlamp Aiming . . . . . . . . . . . . . . . . 282
Headlamps . . . . . . . . . . . . . . . . . . . . . . . . 283
High Intensity Discharge(HID) Lighting . . . . . . . . . . . . . . . . . . . 283
License Plate Lamps . . . . . . . . . . . . . . 284
Buying New Tires . . . . . . . . . . . . . . . . . . . 309
C
Cadillac Premium Care
Maintenance . . . . . . . . . . . . . . . . . . . . . . 339
Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . 113
California
Fuel Requirements . . . . . . . . . . . . . . . . 243
Perchlorate MaterialsRequirements . . . . . . . . . . . . . . . . . . . 254
California Proposition
65 Warning . . . . . . . . . . . . .253, 277, 323, Back Cover
Canadian Vehicle Owners . . . . . . . . . . . . . 2
Capacities and Specifications . . . . . . 353 Carbon Monoxide
Engine Exhaust . . . . . . . . . . . . . . . . . . . 199
Trunk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Winter Driving . . . . . . . . . . . . . . . . . . . . 186
Cargo Tie-Downs . . . . . . . . . . . . . . . . . . . . . . . . . 108
Caution, Danger, and Warning . . . . . . . . 3
Center Console Storage . . . . . . . . . . . . . 107
Chains, Tire . . . . . . . . . . . . . . . . . . . . . . . . . 313
Charging Wireless . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
Charging System Light . . . . . . . . . . . . . 127
Check Engine Light (MalfunctionIndicator) . . . . . . . . . . . . . . . . . . . . . . . . 128
Child Restraints
Infants and Young Children . . . . . . . . 90
Lower Anchors and Tethers forChildren . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
Older Children . . . . . . . . . . . . . . . . . . . . . . 88
Securing . . . . . . . . . . . . . . . . . . . . . . 101, 103
Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
Circuit Breakers . . . . . . . . . . . . . . . . . . . . . 285
Cleaning Exterior Care . . . . . . . . . . . . . . . . . . . . . . 329
Interior Care . . . . . . . . . . . . . . . . . . . . . . 333
Climate Control Systems Dual Automatic . . . . . . . . . . . . . . . . . . . 167

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INDEX 387
K
Keyless EntryRemote (RKE) System . . . . . . . . . . . . . . 30
Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
L
Labeling, Tire Sidewall . . . . . . . . . . . . . 297
Lamps Courtesy . . . . . . . . . . . . . . . . . . . . . . . . . . . 158
Daytime Running (DRL) . . . . . . . . . . 155
Dome . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 158
Exterior Controls . . . . . . . . . . . . . . . . . . 153
Exterior Lamps Off Reminder . . . . 155
Exterior Lighting BatterySaver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160
License Plate . . . . . . . . . . . . . . . . . . . . . . 284
Malfunction Indicator (Check Engine) . . . . . . . . . . . . . . . . . . . . . . . . . . 128
On Reminder . . . . . . . . . . . . . . . . . . . . . . 136
Reading . . . . . . . . . . . . . . . . . . . . . . . . . . . . 158
Lane Change Alert (LCA) . . . . . . . . . . . 236
Lane Departure Warning (LDW) . . . . . . . . . . . . . . . . . . . 238
Lane Keep Assist (LKA) . . . . . . . . . . . . 239
Lane Keep Assist Light . . . . . . . . . . . . . 131
Lap-Shoulder Belt . . . . . . . . . . . . . . . . . . . . 71
LATCH System
Replacing Parts after a Crash . . . . 100 LATCH, Lower Anchors and
Tethers for Children . . . . . . . . . . . . . . . 95
LED Lighting . . . . . . . . . . . . . . . . . . . . . . . . 283
Light, Auto Stop Mode . . . . . . . . . . . . . 135
Lighting Adaptive Forward . . . . . . . . . . . . . . . . . 156
Entry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159
Exit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159
Illumination Control . . . . . . . . . . . . . . 158
LED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 283
Lights
Adaptive Forward Lighting(AFL) Light . . . . . . . . . . . . . . . . . . . . . . 135
Airbag Readiness . . . . . . . . . . . . . . . . . 126
Antilock Brake System (ABS) Warning . . . . . . . . . . . . . . . . . . . . . . . . . 131
Brake System Warning . . . . . . . . . . . 129
Charging System . . . . . . . . . . . . . . . . . . 127
Check Engine (Malfunction Indicator) . . . . . . . . . . . . . . . . . . . . . . . . 128
Cruise Control . . . . . . . . . . . . . . . . . . . . . 136
Door Ajar . . . . . . . . . . . . . . . . . . . . . . . . . . 136
Driver Mode Control . . . . . . . . . . . . . . 133
Electric Parking Brake . . . . . . . . . . . . 130
Engine Coolant Temperature
Warning . . . . . . . . . . . . . . . . . . . . . . . . . 133
Engine Oil Pressure . . . . . . . . . . . . . . . 134
Flash-to-Pass . . . . . . . . . . . . . . . . . . . . . . 155 Lights (cont'd)
High-Beam On . . . . . . . . . . . . . . . . . . . . 135
High/Low Beam Changer . . . . . . . . . 155
Lane Keep Assist . . . . . . . . . . . . . . . . . . 131
Low Fuel Warning . . . . . . . . . . . . . . . . 134
Seat Belt Reminders . . . . . . . . . . . . . . 125
Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135
Service Electric Parking Brake . . . 130
StabiliTrak OFF . . . . . . . . . . . . . . . . . . . 132
Tire Pressure . . . . . . . . . . . . . . . . . . . . . . 133
Traction Control System
(TCS)/StabiliTrak . . . . . . . . . . . . . . . . 132
Traction Off . . . . . . . . . . . . . . . . . . . . . . . 132
Limited-Slip Differential . . . . . . . . . . . . 214
Locks
Automatic Door . . . . . . . . . . . . . . . . . . . . . 41
Delayed Locking . . . . . . . . . . . . . . . . . . . . 40
Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Lockout Protection . . . . . . . . . . . . . . . . . 41
Power Door . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Loss of Control . . . . . . . . . . . . . . . . . . . . . . 180
Low Fuel Warning Light . . . . . . . . . . . 134
Low-Profile Tires . . . . . . . . . . . . . . . . . . . . 296
Lower Anchors and Tethers for Children (LATCH System) . . . . . . . . . 95
Lumbar Adjustment . . . . . . . . . . . . . . . . . 60 Front Seats . . . . . . . . . . . . . . . . . . . . . . . . . . 60