change time CADILLAC CT6 2016 Owner's Guide

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-9235592) -
2016 - crc - 11/6/15
Vehicle Care 273If the system is ever reset
accidentally, the oil must be
changed at 5 000 km (3,000 mi)
since the last oil change.
Remember to reset the oil life
system whenever the oil is changed.
How to Reset the Engine Oil
Life System Reset the system whenever the
engine oil is changed so that the
system can calculate the next
engine oil change. To reset the
system:
1. Using the DIC buttons, display
REMAINING OIL LIFE on the
DIC. See Driver Information
Center (DIC) 0 140 and Engine
Oil Messages 0 149 .
2. Press and hold SEL to clear
the CHANGE ENGINE OIL
SOON message and reset the
oil life at 100%.
Be careful not to reset the oil
life display accidentally at any
time other than after the oil is
changed. It cannot be reset
accurately until the next oil
change. The oil life system can also be reset
as follows:
1. Turn the ignition on with the
engine off.
2. Fully press and release the
accelerator pedal three times
within five seconds.
If the CHANGE ENGINE OIL
SOON message is not on, the
system is reset.
The system is reset when the
CHANGE ENGINE OIL SOON
message is off.
If the CHANGE ENGINE OIL SOON
message comes back on when the
vehicle is started, the engine oil life
system has not been reset. Repeat
the procedure.
Automatic Transmission
Fluid How to Check Automatic
Transmission Fluid
It is not necessary to check the
transmission fluid level.
A transmission fluid leak is the only
reason for fluid loss. If a leak occurs, take the vehicle to your
dealer and have it repaired as soon
as possible.
The vehicle is not equipped with a
transmission fluid level dipstick.
There is a special procedure for
checking and changing the
transmission fluid. Because this
procedure is difficult, this should be
done at the dealer. Contact your
dealer for additional information.
Change the fluid and filter at the
intervals listed in Maintenance
Schedule 0 344 , and be sure to use
the fluid listed in Recommended
Fluids and Lubricants 0 353 .
Engine Air Cleaner/Filter The engine air cleaner/filter is in the
engine compartment. See Engine
Compartment Overview 0 265 .
When to Inspect the Engine Air
Cleaner/Filter
For intervals on changing and
inspecting the engine air cleaner/
filter, see Maintenance
Schedule 0 344 .

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-9235592) -
2016 - crc - 11/6/15
282 Vehicle Care Caution (Continued).
Do not mix water with
ready-to-use washer fluid.
Water can cause the
solution to freeze and
damage the washer fluid
tank and other parts of the
washer system.
.
When using concentrated
washer fluid, follow the
manufacturer instructions for
adding water.
.
Fill the washer fluid tank
only three-quarters full when
it is very cold. This allows
for fluid expansion if
freezing occurs, which could
damage the tank if it is
completely full.
Brakes Disc brake pads have built-in wear
indicators that make a high-pitched
warning sound when the brake pads
are worn and new pads are needed.
The sound can come and go or can be heard all the time when the
vehicle is moving, except when
applying the brake pedal firmly.
{ WarningThe brake wear warning sound
means that soon the brakes will
not work well. That could lead to
a crash. When the brake wear
warning sound is heard, have the
vehicle serviced.
CautionContinuing to drive with worn-out
brake pads could result in costly
brake repair.
Some driving conditions or climates
can cause a brake squeal when the
brakes are first applied or lightly
applied. This does not mean
something is wrong with the brakes.
Properly torqued wheel nuts are
necessary to help prevent brake
pulsation. When tires are rotated,
inspect brake pads for wear and evenly tighten wheel nuts in the
proper sequence to torque
specifications. See Capacities and
Specifications 0 358 .
Brake pads should be replaced as
complete sets.
Brake Pedal Travel See your dealer if the brake pedal
does not return to normal height,
or if there is a rapid increase in
pedal travel. This could be a sign
that brake service may be required.
Replacing Brake System Parts Always replace brake system parts
with new, approved replacement
parts. If this is not done, the brakes
may not work properly. The braking
performance expected can change
in many other ways if the wrong
replacement brake parts are
installed or if parts are improperly
installed.

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-9235592) -
2016 - crc - 11/6/15
314 Vehicle Care Reset the Tire Pressure Monitor
System. See Tire Pressure
Monitor Operation 0 309 .
Check that all wheel nuts are
properly tightened. See “ Wheel
Nut Torque ” under Capacities
and Specifications 0 358 .
{ WarningRust or dirt on a wheel, or on the
parts to which it is fastened, can
make wheel nuts become loose
after time. The wheel could come
off and cause an accident. When
changing a wheel, remove any
rust or dirt from places where the
wheel attaches to the vehicle. In
an emergency, a cloth or a paper
towel can be used; however, use
a scraper or wire brush later to
remove all rust or dirt.
Lightly coat the center of the
wheel hub with wheel bearing
grease after a wheel change or
tire rotation to prevent corrosion
or rust build-up. Do not get grease on the flat wheel
mounting surface or on the
wheel nuts or bolts.
When It Is Time for New
Tires Factors such as maintenance,
temperatures, driving speeds,
vehicle loading, and road conditions
affect the wear rate of the tires.
Treadwear indicators are one way to
tell when it is time for new tires.
Treadwear indicators appear when
the tires have only 1.6 mm (1/16 in) or less of tread remaining. See Tire
Inspection 0 312
and Tire Rotation 0 313 .
The rubber in tires ages over time.
This also applies to the spare tire,
if the vehicle has one, even if it is
never used. Multiple factors
including temperatures, loading
conditions, and inflation pressure
maintenance affect how fast aging
takes place. GM recommends that
tires, including the spare if
equipped, be replaced after six
years, regardless of tread wear. The
tire manufacture date is the last four
digits of the DOT Tire Identification
Number (TIN) which is molded into
one side of the tire sidewall. The
first two digits represent the week
(01 – 52) and the last two digits, the
year. For example, the third week of
the year 2010 would have a
four-digit DOT date of 0310.
Vehicle Storage
Tires age when stored normally
mounted on a parked vehicle. Park
a vehicle that will be stored for at
least a month in a cool, dry, clean
area away from direct sunlight to

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-9235592) -
2016 - crc - 11/6/15
Customer Information 365Service is available 24 hours a day,
365 days a year.
Calling for Service When calling Roadside Service,
have the following information
ready:
.
Your name, home address, and
home telephone number.
.
Telephone number of your
location.
.
Location of the vehicle.
.
Model, year, color, and license
plate number of the vehicle.
.
Odometer reading, Vehicle
Identification Number (VIN), and
delivery date of the vehicle.
.
Description of the problem.
Coverage
Services are provided for the
duration of the vehicle ’ s powertrain
warranty. In the U.S., anyone driving the
vehicle is covered. In Canada, a
person driving the vehicle without
permission from the owner is not
covered.
Roadside Service is not a part of the
New Vehicle Limited Warranty.
General Motors North America and
Cadillac reserve the right to make
any changes or discontinue the
Roadside Service program at any
time without notification.
General Motors North America and
Cadillac reserve the right to limit
services or payment to an owner or
driver if they decide the claims are
made too often, or the same type of
claim is made many times.
Cadillac Owner Privileges ™.
Emergency Fuel Delivery:
Delivery of enough fuel for the
vehicle to get to the nearest
service station.
.
Lock-Out Service: Service to
unlock the vehicle if you are
locked out. A remote unlock may
be available if you have OnStar. For security reasons, the driver
must present identification
before this service is given.
.
Emergency Tow from a Public
Road or Highway: Tow to the
nearest Cadillac dealer for
warranty service, or if the vehicle
was in a crash and cannot be
driven. Assistance is not given
when the vehicle is stuck in the
sand, mud, or snow.
.
Flat Tire Change: Service to
change a flat tire with a spare
tire. The spare tire, if equipped,
must be in good condition and
properly inflated. It is your
responsibility for the repair or
replacement of the tire if it is not
covered by the warranty.
.
Battery Jump Start: Service to
jump start a dead battery.
.
Trip Interruption Benefits and
Service: If your trip is
interrupted due to a warranty
failure, incidental expenses may
be reimbursed during the
Powertrain warranty period.
Items considered are hotel,
meals, and rental car or a

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-9235592) -
2016 - crc - 11/6/15
368 Customer Information Courtesy Rental Vehicle
For an overnight warranty repair, the
dealer may provide an available
courtesy rental vehicle or provide for
reimbursement of a rental vehicle.
Reimbursement is limited and must
be supported by original receipts as
well as a signed and completed
rental agreement and meet state/
provincial, local, and rental vehicle
provider requirements.
Requirements vary and may include
minimum age requirements,
insurance coverage, credit card, etc.
Additional fees such as fuel usage
charges, taxes, levies, usage fees,
excessive mileage, or rental usage
beyond the completion of the repair
are also your responsibility.
It may not be possible to provide a
like vehicle as a courtesy rental.
Additional Program
Information
All program options, such as shuttle
service, may not be available at
every dealer. Contact your dealer
for specific availability. General Motors reserves the right to
unilaterally modify, change,
or discontinue Courtesy
Transportation at any time and to
resolve all questions of claim
eligibility pursuant to the terms and
conditions described herein at its
sole discretion.
Collision Damage Repair If the vehicle is involved in a
collision and it is damaged, have the
damage repaired by a qualified
technician using the proper
equipment and quality replacement
parts. Poorly performed collision
repairs diminish the vehicle resale
value, and safety performance can
be compromised in subsequent
collisions.
Collision Parts
Genuine GM Collision parts are new
parts made with the same materials
and construction methods as the
parts with which the vehicle was
originally built. Genuine GM
Collision parts are the best choice to
ensure that the vehicle's designed
appearance, durability, and safety are preserved. The use of Genuine
GM parts can help maintain the GM
New Vehicle Limited Warranty.
Recycled original equipment parts
may also be used for repair. These
parts are typically removed from
vehicles that were total losses in
prior crashes. In most cases, the
parts being recycled are from
undamaged sections of the vehicle.
A recycled original equipment GM
part may be an acceptable choice to
maintain the vehicle's originally
designed appearance and safety
performance; however, the history of
these parts is not known. Such parts
are not covered by the GM New
Vehicle Limited Warranty, and any
related failures are not covered by
that warranty.
Aftermarket collision parts are also
available. These are made by
companies other than GM and may
not have been tested for the vehicle.
As a result, these parts may fit
poorly, exhibit premature durability/
corrosion problems, and may not
perform properly in subsequent
collisions. Aftermarket parts are not
covered by the GM New Vehicle

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-9235592) -
2016 - crc - 11/6/15
Customer Information 371ORDER TOLL FREE:
1-800-551-4123 Monday – Friday
8:00 AM – 6:00 PM Eastern Time
For Credit Card Orders Only
(VISA-MasterCard-Discover), see
Helm, Inc. at: www.helminc.com.
Or write to:
Helm, Incorporated
Attention: Customer Service
47911 Halyard Drive
Plymouth, MI 48170
Prices are subject to change without
notice and without incurring
obligation. Allow ample time for
delivery.
All listed prices are quoted in U.S.
funds. Make checks payable in U.S.
funds.
Radio Frequency
Statement This vehicle has systems that
operate on a radio frequency that
complies with Part 15/Part 18 of the
Federal Communications
Commission (FCC) rules and with Industry Canada Standards
RSS-GEN/210/216/220/251/310,
ICES ‐ 001.
Operation is subject to the following
two conditions:
1. The device may not cause
harmful interference.
2. The device must accept any
interference received, including
interference that may cause
undesired operation of the
device.
Changes or modifications to any of
these systems by other than an
authorized service facility could void
authorization to use this equipment. Reporting Safety
Defects Reporting Safety Defects
to the United States
Government If you believe that your vehicle
has a defect which could cause
a crash or could cause injury or
death, you should immediately
inform the National Highway
Traffic Safety Administration
(NHTSA) in addition to notifying
General Motors.
If NHTSA receives similar
complaints, it may open an
investigation, and if it finds that
a safety defect exists in a group
of vehicles, it may order a recall
and remedy campaign.
However, NHTSA cannot
become involved in individual
problems between you, your
dealer, or General Motors.

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-9235592) -
2016 - crc - 11/6/15
OnStar 379Calling 911 Emergency 1. Press
= . System responds:
“ OnStar ready. ”
2. Say “ Call. ” System responds:
“ Call. Please say the name or
number to call. ”
3. Say “ 911 ” without pausing.
System responds: “ 911. ”
4. Say “ Call. ” System responds:
“ OK, dialing 911. ”
Retrieve My Number 1. Press
= . System responds:
“ OnStar ready. ”
2. Say “ My number. ” System
responds: “ Your OnStar
Hands-Free Calling number is, ”
then says the number.
End a Call
Press
= . System responds: “ Call
ended. ”
Verify Minutes and Expiration
Press
= and say “ Minutes ” then
“ Verify ” to check how many minutes
remain and their expiration date. Diagnostics Advanced Diagnostics provides a
status of the vehicle ’ s key systems
with a monthly e-mail, or by
pressing
Q . The Proactive Alerts
feature (if available) can help predict
and alert of potential upcoming
maintenance issues with select
components on the vehicle, before
they become a problem.
OnStar can also monitor and report
tire pressure, if the vehicle is
equipped with a Tire Pressure
Monitoring System. 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.
.
With the OnStar Basic Plan,
every 60 days.
.
After change in ownership and
at 90 days.
Transferring Service Press
Q to 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 services if
the vehicle is disposed of, sold,
transferred, or if the lease ends.

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-9235592) -
2016 - crc - 11/6/15
OnStar 381OnStar Personal Identification
Number (PIN) A PIN is needed to access some
OnStar services. The PIN will need
to be changed the first time when
speaking with an Advisor. To
change the OnStar PIN, contact an
OnStar Advisor by pressing
Q or
calling 1-888-4ONSTAR.
Warranty OnStar equipment may be
warranted as part of the vehicle
warranty.
Languages The vehicle can be programmed to
respond in multiple languages.
Press
Q and ask for an Advisor.
Advisors are available in English,
Spanish, and French. Available
languages may vary by country.
Potential Issues
OnStar cannot perform Remote
Door Unlock or Stolen Vehicle
Assistance after the vehicle has
been off continuously for five days
without an ignition cycle. If the vehicle has not been started for
five days, OnStar can contact
Roadside Assistance or a locksmith
to help gain access to the vehicle.
Global Positioning
System (GPS) .
Obstruction of the GPS can
occur in a large city with tall
buildings; in parking garages;
around airports; in tunnels and
underpasses; or in an area with
very dense trees. If GPS signals
are not available, the OnStar
system should still operate to
call OnStar. 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
Q to 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.

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-9235592) -
2016 - crc - 11/6/15
382 OnStar 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 0 260 . 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
have any questions, call
1-888-4ONSTAR (1-888-466-7827)
or press
Q to speak with an
Advisor. Users of wireless
communications are cautioned that
the privacy of any information sent
via wireless cellular communications
cannot be assured. Third parties may unlawfully intercept or access
transmissions and private
communications without consent.
OnStar - Software
Acknowledgements Certain OnStar components include
libcurl and unzip software and other
third party software. Below are the
notices and licenses associated with
libcurl and unzip and for other third
party software please see http://
www.lg.com/global/support/
opensource/index and https://
www.onstar.com/us/en/support/
getdocuments.html
libcurl:
COPYRIGHT AND PERMISSION
NOTICE
Copyright (c) 1996 - 2010, Daniel
Stenberg, .
All rights reserved.
Permission to use, copy, modify,
and distribute this software for any
purpose with or without fee is
hereby granted, provided that the

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-9235592) -
2016 - crc - 11/6/15
Index 389Fuel (cont'd)
Filling a Portable Fuel
Container . . . . . . . . . . . . . . . . . . . 255
Filling the Tank . . . . . . . . . . . . . . . 253
Foreign Countries . . . . . . . . . . . . 253
Gauge . . . . . . . . . . . . . . . . . . . . . . . . 124
Low Fuel Warning Light . . . . . . . 138
Requirements, California . . . . . 253
System Messages . . . . . . . . . . . . 150
Fuses
Engine Compartment Fuse
Block . . . . . . . . . . . . . . . . . . . . . . . . 290
Fuses and Circuit Breakers . . . 290
Instrument Panel Fuse
Block . . . . . . . . . . . . . . . . . . . . . . . . 293
Rear Compartment Fuse
Block . . . . . . . . . . . . . . . . . . . . . . . . 295
G Garage Door Opener . . . . . . . . . . . 166
Programming . . . . . . . . . . . . . . . . . 166
Gauges
Boost . . . . . . . . . . . . . . . . . . . . . . . . . 125
Engine Coolant
Temperature . . . . . . . . . . . . . . . . 128
Engine Oil Pressure . . . . . . . . . . 126
Engine Oil Temperature . . . . . . . 127
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . 124
Odometer . . . . . . . . . . . . . . . . . . . . . 124 Gauges (cont'd)
Speedometer . . . . . . . . . . . . . . . . . 123
Tachometer . . . . . . . . . . . . . . . . . . . 124
Trip Odometer . . . . . . . . . . . . . . . . 124
Voltmeter . . . . . . . . . . . . . . . . . . . . . 129
Warning Lights and
Indicators . . . . . . . . . . . . . . . . . . . .117
General Information
Service and Maintenance . . . . . 342
Towing . . . . . . . . . . . . . . . . . . . . . . . . 255
Vehicle Care . . . . . . . . . . . . . . . . . . 262
Glove Box . . . . . . . . . . . . . . . . . . . . . . 106
H Hazard Warning Flashers . . . . . . . 173
Head Restraints . . . . . . . . . . . . . . . . . 58
Head-up Display . . . . . . . . . . . . . . . . 143
Headlamps
Aiming . . . . . . . . . . . . . . . . . . . . . . . . 287
Automatic . . . . . . . . . . . . . . . . . . . . . 172
Bulb Replacement . . . . . . . . . . . . 288
Daytime Running
Lamps (DRL) . . . . . . . . . . . . . . . . 172
Flash-to-Pass . . . . . . . . . . . . . . . . . 172
High-Beam On Light . . . . . . . . . . 139
High/Low Beam Changer . . . . . 172
Lamps On Reminder . . . . . . . . . 139
Heated
Steering Wheel . . . . . . . . . . . . . . . . 111 Heated and Ventilated Front
Seats . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Heated and Ventilated Rear
Seats . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Heated Mirrors . . . . . . . . . . . . . . . . . . . 49
Heater
Engine Coolant . . . . . . . . . . . . . . . 206
Heating and Air
Conditioning . . . . . . . . . . . . . . 178, 185
High-Beam On Light . . . . . . . . . . . . 139
High-Speed Operation . . . . . . . . . . 308
Hill and Mountain Roads . . . . . . . . 196
Hill Start Assist (HSA) . . . . . . . . . . 216
Hood . . . . . . . . . . . . . . . . . . . . . . . . . . . 264
Horn . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
How to Wear Safety Belts
Properly . . . . . . . . . . . . . . . . . . . . . . . . 71
I Ignition Positions . . . . . . . . . . . . . . . 202
Immobilizer . . . . . . . . . . . . . . . . . . . . . . 46
Indicator
Pedestrian Ahead . . . . . . . . . . . . 136
Vehicle Ahead . . . . . . . . . . . . . . . . 136
Infants and Young Children,
Restraints . . . . . . . . . . . . . . . . . . . . . . 90
Infotainment . . . . . . . . . . . . . . . . . . . . 177
Infotainment System . . . . . . . . . . . . 374
Instrument Cluster . . . . . . . . . 118, 121