Cadillac CT6 Owner Manual (GMNA-Localizing-MidEast-10293390) - 2017 -
CRC - 6/21/16
282 VEHICLE CARE
When a low tire pressure condition is
detected, the TPMS illuminates the
low tire pressure warning light on the
instrument cluster. If the warning
light comes on, stop as soon as
possible and inflate the tires to the
recommended pressure shown on the
Tire and Loading Information label.
SeeVehicle Load Limits 0191.
A message to check the pressure in a
specific tire displays in the Driver
Information Center (DIC). The low tire
pressure warning light and the DIC
warning message come on at each
ignition cycle until the tires are
inflated to the correct inflation
pressure. Using the DIC, tire pressure
levels can be viewed. For additional
information and details about the DIC
operation and displays see Driver
Information Center (DIC) 0136.
The low tire pressure warning light
may come on in cool weather when
the vehicle is first started, and then
turn off as the vehicle is driven. This
could be an early indicator that the air
pressure is getting low and needs to
be inflated to the proper pressure. A Tire and Loading Information label,
attached to your vehicle, shows the
size of the original equipment tires
and the correct inflation pressure for
the tires when they are cold. See
Vehicle Load Limits
0191 for an
example of the Tire and Loading
Information label and its location.
Also see Tire Pressure 0279.
The TPMS can warn about a low tire
pressure condition but it does not
replace normal tire maintenance. See
Tire Inspection 0284, Tire Rotation
0 284, and Tires0276.
Caution
Tire sealant materials are not all
the same. A non-approved tire
sealant could damage the TPMS
sensors. TPMS sensor damage
caused by using an incorrect tire
sealant is not covered by the
vehicle warranty. Always use only
the GM approved tire sealant
available through your dealer or
included in the vehicle.
TPMS Malfunction Light and
Message
The TPMS will not function properly if
one or more of the TPMS sensors are
missing or inoperable. When the
system detects a malfunction, the low
tire warning light flashes for about
one minute and then stays on for the
remainder of the ignition cycle. A DIC
warning message also displays. The
malfunction light and DIC warning
message come on at each ignition
cycle until the problem is corrected.
Some of the conditions that can cause
these to come on are:
.
One of the road tires has been
replaced with the spare tire. The
spare tire does not have a TPMS
sensor. The malfunction light and
DIC message should go off after
the road tire is replaced and the
sensor matching process is
performed successfully. See “TPMS
Sensor Matching Process ”
following.
. The TPMS sensor matching
process was not done or not
completed successfully after
rotating the tires. The malfunction
Cadillac CT6 Owner Manual (GMNA-Localizing-MidEast-10293390) - 2017 -
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VEHICLE CARE 283
light and the DIC message should
go off after successfully
completing the sensor matching
process. See "TPMS Sensor
Matching Process" following.
. One or more TPMS sensors are
missing or damaged. The
malfunction light and the DIC
message should go off when the
TPMS sensors are installed and
the sensor matching process is
performed successfully. See your
dealer for service.
. Replacement tires or wheels do
not match the original equipment
tires or wheels. Tires and wheels
other than those recommended
could prevent the TPMS from
functioning properly. See Buying
New Tires 0286.
. Operating electronic devices or
being near facilities using radio
wave frequencies similar to the
TPMS could cause the TPMS
sensors to malfunction.
If the TPMS is not functioning
properly, it cannot detect or signal a
low tire condition. See your dealer for service if the TPMS malfunction light
and DIC message come on and
stay on.
TPMS Sensor Matching Process
Each TPMS sensor has a unique
identification code. The identification
code needs to be matched to a new
tire/wheel position after rotating the
vehicle’s tires or replacing one or more
of the TPMS sensors. The TPMS
sensor matching process should also
be performed after replacing a spare
tire with a road tire containing the
TPMS sensor. The malfunction light
and the DIC message should go off at
the next ignition cycle. The sensors
are matched to the tire/wheel
positions, using a TPMS relearn tool,
in the following order: driver side
front tire, passenger side front tire,
passenger side rear tire, and driver
side rear tire. See your dealer for
service or to purchase a relearn tool.
There are two minutes to match the
first tire/wheel position, and
five minutes overall to match all four
tire/wheel positions. If it takes longer,
the matching process stops and must
be restarted.The TPMS sensor matching process is:
1. Set the parking brake.
2. Place the vehicle power mode in ON/RUN/START. See Ignition
Positions 0195.
3. Make sure the Tire Pressure info display option is turned on. The
info displays on the DIC can be
turned on and off through the
Settings menu. See Driver
Information Center (DIC) 0136.
4. Use the five-way DIC control on the right side of the steering
wheel to scroll to the Tire
Pressure screen under the DIC
info page. See Driver Information
Center (DIC) 0136.
5. Press and hold SEL in the center of the five-way DIC control.
The horn sounds twice to signal
the receiver is in relearn mode
and the TIRE LEARNING ACTIVE
message displays on the DIC
screen.
6. Start with the driver side front tire.
Cadillac CT6 Owner Manual (GMNA-Localizing-MidEast-10293390) - 2017 -
CRC - 6/21/16
284 VEHICLE CARE
7. Place the relearn tool against thetire sidewall, near the valve stem.
Then press the button to activate
the TPMS sensor. A horn chirp
confirms that the sensor
identification code has been
matched to this tire and wheel
position.
8. Proceed to the passenger side front tire, and repeat the
procedure in Step 7.
9. Proceed to the passenger side rear tire, and repeat the
procedure in Step 7.
10. Proceed to the driver side rear tire, and repeat the procedure in
Step 7. The horn sounds two
times to indicate the sensor
identification code has been
matched to the driver side rear
tire, and the TPMS sensor
matching process is no longer
active. The TIRE LEARNING
ACTIVE message on the DIC
display screen goes off.
11. Press ENGINE START/STOP to turn the ignition off. 12. Set all four tires to the
recommended air pressure level
as indicated on the Tire and
Loading Information label.
Tire Inspection
We recommend that the tires,
including the spare tire, if the
vehicle has one, be inspected for
signs of wear or damage at least
once a month.
Replace the tire if:
.The indicators at three or more
places around the tire can
be seen.
.There is cord or fabric showing
through the tire's rubber.
.The tread or sidewall is
cracked, cut, or snagged deep
enough to show cord or fabric.
.The tire has a bump, bulge,
or split.
.The tire has a puncture, cut,
or other damage that cannot
be repaired well because of the
size or location of the damage.
Tire Rotation
Tires should be rotated at the
intervals specified in the
Maintenance Schedule. See
Maintenance Schedule 0311.
Tires are rotated to achieve a
uniform wear for all tires. The first
rotation is the most important.
Anytime unusual wear is noticed,
rotate the tires as soon as
possible, check for proper tire
inflation pressure, and check for
damaged tires or wheels. If the
unusual wear continues after the
rotation, check the wheel
alignment. See When It Is Time for
New Tires 0286 and Wheel
Replacement 0288.
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more likely to leak out slowly. But if
there ever is a blowout, here are a few
tips about what to expect and what
to do:
If a front tire fails, the flat tire creates
a drag that pulls the vehicle toward
that side. Take your foot off the
accelerator pedal and grip the steering
wheel firmly. Steer to maintain lane
position, and then gently brake to a
stop, well off the road, if possible.
A rear blowout, particularly on a
curve, acts much like a skid and may
require the same correction as used in
a skid. Stop pressing the accelerator
pedal and steer to straighten the
vehicle. It may be very bumpy and
noisy. Gently brake to a stop, well off
the road, if possible.
{Warning
Driving on a flat tire will cause
permanent damage to the tire.
Re-inflating a tire after it has been
driven on while severely
underinflated or flat may cause a
blowout and a serious crash. Never(Continued)
Warning (Continued)
attempt to re-inflate a tire that has
been driven on while severely
underinflated or flat. Have your
dealer or an authorized tire service
center repair or replace the flat tire
as soon as possible.
{Warning
Lifting a vehicle and getting under
it to do maintenance or repairs is
dangerous without the appropriate
safety equipment and training. If a
jack is provided with the vehicle, it
is designed only for changing a flat
tire. If it is used for anything else,
you or others could be badly injured
or killed if the vehicle slips off the
jack. If a jack is provided with the
vehicle, only use it for changing a
flat tire.
If a tire goes flat, avoid further tire
and wheel damage by driving slowly
to a level place, well off the road, if possible. Turn on the hazard
warning flashers. See
Hazard Warning
Flashers 0166.
{Warning
Changing a tire can be dangerous.
The vehicle can slip off the jack and
roll over or fall causing injury or
death. Find a level place to change
the tire. To help prevent the vehicle
from moving:
1. Set the parking brake firmly.
2. Put an automatictransmission in P (Park) or a
manual transmission in
1 (First) or R (Reverse).
3. Turn off the engine and do not restart while the vehicle
is raised.
4. Do not allow passengers to remain in the vehicle.
5. Place wheel blocks, if equipped, on both sides of
the tire at the opposite corner
of the tire being changed.
Cadillac CT6 Owner Manual (GMNA-Localizing-MidEast-10293390) - 2017 -
CRC - 6/21/16
INDEX 331
Heated and Ventilated RearSeats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Heated Mirrors . . . . . . . . . . . . . . . . . . . . . . . 46
Heating . . . . . . . . . . . . . . . . . . . . . . . . .171, 178
High-Beam On Light . . . . . . . . . . . . . . . . 134
High-Speed Operation . . . . . . . . . . . . . . 280
Hill and Mountain Roads . . . . . . . . . . 188
Hill Start Assist (HSA) . . . . . . . . . . . . . 207
Hood . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 246
Horn . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
How to Wear Safety Belts Properly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
HVAC . . . . . . . . . . . . . . . . . . . . . . . . . . .171, 178
I
Ignition Positions . . . . . . . . . . . . . . . . . . . 195
Indicator Pedestrian Ahead . . . . . . . . . . . . . . . . . 131
Vehicle Ahead . . . . . . . . . . . . . . . . . . . . . 131
Infants and Young Children, Restraints . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
Infotainment . . . . . . . . . . . . . . . . . . . . . . . . 170
Instrument Cluster . . . . . . . . . . . .115, 118
Instrument Panel Storage Area . . . . . . . . . . . . . . . . . . . . . . 103
Instrument Panel Overview . . . . . . . . . . . 6
Interior Rearview Mirrors . . . . . . . . . . . 47
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
J
Jump Starting . . . . . . . . . . . . . . . . . . . . . . . 296
K
Key and Lock Messages . . . . . . . . . . . . 145
Keyless Entry
Remote (RKE) System . . . . . . . . . . . . . . 29
Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
L
Lamps Courtesy . . . . . . . . . . . . . . . . . . . . . . . . . . . 167
Daytime Running (DRL) . . . . . . . . . . 165
Dome . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167
Exterior Controls . . . . . . . . . . . . . . . . . . 163
Exterior Lamps Off Reminder . . . . 164
Exterior Lighting BatterySaver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169
License Plate . . . . . . . . . . . . . . . . . . . . . . 267
Malfunction Indicator . . . . . . . . . . . . 127
Messages . . . . . . . . . . . . . . . . . . . . . . . . . . 145
On Reminder . . . . . . . . . . . . . . . . . . . . . . 135
Reading . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167
Lane Change Alert (LCA) . . . . . . . . . . . 236
Lane Departure Warning (LDW) . . . . . . . . . . . . . . . . . . . 238
Lane Keep Assist (LKA) . . . . . . . . . . . . 238
Lane Keep Assist Light . . . . . . . . . . . . . 131
Lap-Shoulder Belt . . . . . . . . . . . . . . . . . . . . 69 LATCH System
Replacing Parts after a Crash . . . . . . 97
LATCH, Lower Anchors and Tethers for Children . . . . . . . . . . . . . . . 91
LED Lighting . . . . . . . . . . . . . . . . . . . . . . . . 267
Light, Auto Stop Mode . . . . . . . . . . . . . 134
Lighter, Cigarette . . . . . . . . . . . . . . . . . . . 114
Lighting Entry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168
Exit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169
Illumination Control . . . . . . . . . . . . . . 167
LED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 267
Lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131 Airbag Readiness . . . . . . . . . . . . . . . . . 126
Antilock Brake System (ABS)Warning . . . . . . . . . . . . . . . . . . . . . . . . . 130
Brake System Warning . . . . . . . . . . . 129
Charging System . . . . . . . . . . . . . . . . . . 127
Cruise Control . . . . . . . . . . . . . . . . . . . . . 135
Door Ajar . . . . . . . . . . . . . . . . . . . . . . . . . . 135
Electric Parking Brake . . . . . . . . . . . . 130
Engine Coolant Temperature Warning . . . . . . . . . . . . . . . . . . . . . . . . . 132
Engine Oil Pressure . . . . . . . . . . . . . . . 133
Flash-to-Pass . . . . . . . . . . . . . . . . . . . . . . 165
High-Beam On . . . . . . . . . . . . . . . . . . . . 134
High/Low Beam Changer . . . . . . . . . 164
Low Fuel Warning . . . . . . . . . . . . . . . . 134