2020 CADILLAC CT6 key

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) -
2020 - CRC - 6/11/19
368 SERVICE AND MAINTENANCE
Recommended Fluids, Lubricants, and Parts
Recommended Fluids and Lubricants
UsageFluid/Lubricant
Automatic Transmission DEXRON-ULV Automatic Transmission Fluid (GM Part No. 19352619, in Canada 19352620).
Engine Coolant 50/50 mixture of clean drinkable water and use only DEX-COOL Coolant.
Engine Oil (3.6L V6 Engine) Engine oil meeting the dexos1 specification of the proper SAE viscosity grade. ACDelco dexos1 full synthetic is recommended. See Engine Oil0277.
Engine Oil (4.2L V8 Twin Turbo Engine) Engine oil meeting the dexos2 specification of the proper SAE viscosity grade. ACDelco dexos2 is recommended. SeeEngine Oil0277.
Hood Latch Assembly, Pivots, Spring Anchor, and Release Pawl Lubriplate Lubricant Aerosol (GM Part No. 89021668, in Canada 89021674) or
lubricant meeting requirements of NLGI #2, Category LB or GC-LB.
Hydraulic Brake System DOT 3 Hydraulic Brake Fluid (GM Part No. 19353126, in Canada 19353127).
Key Lock Cylinders, Hood and Door Hinges Multi-Purpose Lubricant, Superlube (GM Part No. 12346241, in
Canada 10953474).
Rear Axle (Except V-Series)/Front Axle SAE 75W-90 Synthetic Axle Lubricant (GM Part No. 88863089, in Canada 88863090).
Rear Axle (V-Series) SAE 75W-90 Synthetic Axle Lubricant (GM Part No. 88862624, in
Canada 88862625).
Transfer Case (All-Wheel Drive) Transfer Case Fluid (GM Part No. 19331044, in Canada 19331045).

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) -
2020 - CRC - 6/11/19
ONSTAR 391
Or
.Give OnStar Turn-by-Turn
Navigation voice commands.
. Obtain and customize the Wi-Fi
hotspot name or SSID and
password, if equipped.
Press
Qto connect to an Advisor to:
. Verify account information or
update contact information.
. Get driving directions.
. Receive a Diagnostic check of the
vehicle's key operating systems.
. Receive Roadside Service.
. Manage Wi-Fi Settings,
if equipped.
Press
>to get a priority connection
to an OnStar Advisor available 24/7 to:
. Get help for an emergency.
. Be a Good Samaritan or respond
to an AMBER Alert.
. Get assistance in severe weather
or other crisis situations and find
evacuation routes.
OnStar Services
Emergency
Emergency Services require an active
safety and security plan. With
Automatic Crash Response, built-in
sensors can automatically alert a
specially trained OnStar Advisor who
is immediately connected in to the
vehicle to help.
Press
>for a priority connection to
an OnStar Advisor who can contact
emergency service providers, direct
them to your exact location, and relay
important information.
With OnStar Crisis Assist, specially
trained Advisors are available
24 hours a day, 7 days a week, to
provide a central point of contact,
assistance, and information during a
crisis.
With Roadside Service, Advisors can
locate a nearby service provider to
help with a flat tire, a battery jump,
or an empty gas tank.
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.

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) -
2020 - CRC - 6/11/19
CONNECTED SERVICES 399
On some vehicles, Wi-Fi can also be
managed from the Wi-Fi
Hotspot menu.
MyCadillac Mobile App (If Available)
Download the myCadillac mobile app
to compatible Apple and Android
smartphones. Cadillac users can
access the following services from a
smartphone:
.Remotely start/stop the vehicle,
if factory-equipped.
. Lock/unlock doors, if equipped
with automatic locks.
. Activate the horn and lamps.
. Check the vehicle’s fuel level, oil
life, or tire pressure,
if factory-equipped with the Tire
Pressure Monitor System.
. Send destinations to the vehicle.
. Locate the vehicle on a map (U.S.
market only).
. Turn the vehicle's Wi-Fi hotspot
on/off, manage settings, and
monitor data consumption,
if equipped. .
Locate a dealer and schedule
service.
. Request Roadside Service.
. Set a parking reminder with pin
drop, take a photo, make a note,
and set a timer.
. Connect with Cadillac on social
media.
Features are subject to change. For
myCadillac mobile app information
and compatibility, see my.cadillac.com.
An active OnStar or connected service
plan may be required. A compatible
device, factory-installed remote start,
and power locks are required. Data
rates apply. See www.onstar.com for
details and system limitations.
Remote Services
Contact an OnStar Advisor to unlock
the doors or sound the horn and flash
the lamps.
Marketplace
OnStar Advisors can provide offers
from restaurants and retailers on your
route, help locate hotels, or book a
room. These services vary by market.
Diagnostics
By monitoring and reporting on the
vehicle’s key systems, OnStar
Advanced Diagnostics, if equipped,
provides a way to keep up on
maintenance. Capabilities vary by
model. See www.onstar.com for details
and system limitations. Features are
subject to change. For updates on
feature capabilities, see
my.cadillac.com. Message and data
rates may apply.

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) -
2020 - CRC - 6/11/19
INDEX 405
InformationPublication Ordering . . . . . . . . . . . . . 385
Infotainment . . . . . . . . . . . . . . . . . . . . . . . . 157
Infotainment System . . . . . . . . . . . . . . . 389
Instrument Cluster . . . . . . . . . . . .110, 113
Instrument Panel Storage Area . . . . . . . . . . . . . . . . . . . . . . . . 98
Instrument Panel Overview . . . . . . . . . . . 5
Interior Rearview Mirrors . . . . . . . . . . . 35
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
J
Jump Starting - North America . . . . 343
K
Keyless Entry Remote (RKE) System . . . . . . . . . . . . . . 10
Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
L
Labeling, Tire Sidewall . . . . . . . . . . . . . 317
Lamps Cornering . . . . . . . . . . . . . . . . . . . . . . . . . . 153
Courtesy . . . . . . . . . . . . . . . . . . . . . . . . . . . 154
Daytime Running (DRL) . . . . . . . . . . 151
Dome . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154
Exterior Controls . . . . . . . . . . . . . . . . . . 149
Exterior Lamps Off Reminder . . . . 151 Lamps (cont'd)
Exterior Lighting Battery
Saver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156
Malfunction Indicator (Check
Engine) . . . . . . . . . . . . . . . . . . . . . . . . . . 123
On Reminder . . . . . . . . . . . . . . . . . . . . . . 131
Reading . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154
Lane Change Alert (LCA) . . . . . . . . . . . 252
Lane Keep Assist (LKA) . . . . . . . . . . . . 254
Lane Keep Assist Light . . . . . . . . . . . . . 127
Lap-Shoulder Belt . . . . . . . . . . . . . . . . . . . . 60
LATCH System Replacing Parts after a Crash . . . . . . 91
LATCH, Lower Anchors and
Tethers for Children . . . . . . . . . . . . . . . 84
LED Lighting . . . . . . . . . . . . . . . . . . . . . . . . 297
Lighting Entry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155
Exit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155
Illumination Control . . . . . . . . . . . . . . 153
LED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 297
Lights Airbag Readiness . . . . . . . . . . . . . . . . . 121
Antilock Brake System (ABS)
Warning . . . . . . . . . . . . . . . . . . . . . . . . . 126
Automatic Vehicle Hold . . . . . . . . . . 127
Brake System Warning . . . . . . . . . . . 125
Charging System . . . . . . . . . . . . . . . . . . 122 Lights (cont'd)
Check Engine (Malfunction
Indicator) . . . . . . . . . . . . . . . . . . . . . . . . 123
Cruise Control . . . . . . . . . . . . . . . . . . . . . 131
Door Ajar . . . . . . . . . . . . . . . . . . . . . . . . . . 132
Driver Mode Control . . . . . . . . . . . . . . 129
Electric Parking Brake . . . . . . . . . . . . 125
Engine Coolant Temperature Warning . . . . . . . . . . . . . . . . . . . . . . . . . 129
Engine Oil Pressure . . . . . . . . . . . . . . . 130
Flash-to-Pass . . . . . . . . . . . . . . . . . . . . . . 151
Gear Shifting . . . . . . . . . . . . . . . . . . . . . . 126
High-Beam On . . . . . . . . . . . . . . . . . . . . 131
High/Low Beam Changer . . . . . . . . . 151
Lane Keep Assist . . . . . . . . . . . . . . . . . . 127
Low Fuel Warning . . . . . . . . . . . . . . . . 130
Seat Belt Reminders . . . . . . . . . . . . . . 120
Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
Service Electric Parking Brake . . . 126
StabiliTrak OFF . . . . . . . . . . . . . . . . . . . 128
Tire Pressure . . . . . . . . . . . . . . . . . . . . . . 129
Traction Control System (TCS)/StabiliTrak . . . . . . . . . . . . . . . . 128
Traction Off . . . . . . . . . . . . . . . . . . . . . . . 128
Locking Rear Axle . . . . . . . . . . . . . . . . . . 208
Locks Automatic Door . . . . . . . . . . . . . . . . . . . . . 21
Delayed Locking . . . . . . . . . . . . . . . . . . . . 21

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) -
2020 - CRC - 6/11/19
INDEX 407
Parking (cont'd)Over Things That Burn . . . . . . . . . . . 191
Parking or Backing Assistance Systems . . . . . . . . . . . . . . . 235
Passenger Airbag Status Indicator . . . . . . . . . . . . . . . . . . . . . . . . . . . 121
Passenger Compartment Air Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 170
Passenger Sensing System . . . . . . . . . . 71
Pedestrian Ahead Indicator . . . . . . . . 127
Perchlorate Materials
Requirements, California . . . . . . . . . 272
Personalization Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140
Power Door Locks . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Mirrors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Outlets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106
Protection, Battery . . . . . . . . . . . . . . . . 156
Retained Accessory (RAP) . . . . . . . . 188
Seat Adjustment . . . . . . . . . . . . . . . . . . . . 46
Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Pregnancy, Using Seat Belts . . . . . . . . . 63
Privacy
Vehicle Data Recording . . . . . . . . . . 387
Program Courtesy Transportation . . . . . . . . . 382
Prohibited Fuels . . . . . . . . . . . . . . . . . . . . 259 Proposition
65 Warning,
California . . . . . . . . . . . . . . .271, 292, 343,
Back Cover
Publication Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . 385
R
Radio Frequency Statement . . . . . . . . 386
Reading Lamps . . . . . . . . . . . . . . . . . . . . . 154
Rear AxleLocking . . . . . . . . . . . . . . . . . . . . . . . . . . . . 208
Rear Camera Mirror . . . . . . . . . . . . . . . . . 35
Rear Pedestrian Alert . . . . . . . . . . . . . . . 242
Rear Seat Pass-Through Door . . . . . . . 57
Rear Seats . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54 Heated and Ventilated . . . . . . . . . . . . . 56
Rear Storage . . . . . . . . . . . . . . . . . . . . . . . . 100
Rear Vision Camera (RVC) . . . . . . . . . 235
Rear Window Sunshade . . . . . . . . . . . . . 40
Rearview Mirrors Automatic Dimming . . . . . . . . . . . . . . . . 35
Reclining Seatbacks . . . . . . . . . . . . . . . . . 48
Recommended Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . 258, 259
Recommended Fluids and
Lubricants . . . . . . . . . . . . . . . . . . . . . . . . . 368 Recorder
Video . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 256
Records Maintenance . . . . . . . . . . . . . . . . . . . . . . 371
Recreational Vehicle Towing . . . . . . . 348
Reimbursement Program, GM Mobility . . . . . . . . . . . . . . . . . . . . . . . . . . . . 379
Remote Keyless Entry (RKE) System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Remote Vehicle Start . . . . . . . . . . . . . . . . 17
Replacement Parts Airbags . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Maintenance . . . . . . . . . . . . . . . . . . . . . . 369
Replacing Airbag System . . . . . . . . . . . . 77
Replacing LATCH System Parts after a Crash . . . . . . . . . . . . . . . . . . . . . . . . 91
Replacing Seat Belt System Parts after a Crash . . . . . . . . . . . . . . . . . 65
Reporting Safety Defects Canadian Government . . . . . . . . . . . . 386
General Motors . . . . . . . . . . . . . . . . . . . 387
U.S. Government . . . . . . . . . . . . . . . . . . 386
Restraints Where to Put . . . . . . . . . . . . . . . . . . . . . . . . 83
Retained Accessory
Power (RAP) . . . . . . . . . . . . . . . . . . . . . . . 188
Reverse Tilt Mirrors . . . . . . . . . . . . . . . . . 34