2016 CADILLAC CT6 warning light

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-9235592) -
2016 - crc - 11/6/15
Instruments and Controls 135but should be taken to a dealer as
soon as possible. See Electric
Parking Brake 0 214 . If a message
displays in the Driver Information
Center (DIC), see Brake System
Messages 0 147 .
Antilock Brake System
(ABS) Warning Light
This light comes on briefly when the
engine is started.
If the light does not come on, have it
fixed so it will be ready to warn if
there is a problem.
If the light comes on while driving,
stop as soon as it is safely possible
and turn off the vehicle. Then start
the engine again to reset the
system. If the ABS light stays on,
or comes on again while driving, the vehicle needs service. A chime may
also sound when the light comes on
steady.
If the ABS light is the only light on,
the vehicle has regular brakes, but
the antilock brakes are not
functioning.
If both the ABS and the brake
system warning light are on, the
vehicle's antilock brakes are not
functioning and there is a problem
with the regular brakes. See your
dealer for service.
See Brake System Warning Light
0 133 and Brake System
Messages 0 147 .
Lane Keep Assist (LKA)
Light For some vehicles, this light comes
on briefly while starting the vehicle.
If it does not come on, have the
vehicle serviced.
For vehicles with the uplevel cluster,
this light may not come on when
starting the vehicle.
This light is green if LKA is available
to assist.
LKA may assist by gently turning
the steering wheel if the vehicle
approaches a detected lane marking
without using the turn signal in that
direction. The LKA light will turn
amber.
This light is amber and flashes as a
Lane Departure Warning (LDW)
alert, to indicate that the lane
marking has been crossed.
See Lane Keep Assist (LKA) 0 248 .

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-9235592) -
2016 - crc - 11/6/15
136 Instruments and Controls
Vehicle Ahead Indicator If equipped, this indicator will
display green when a vehicle is
detected ahead and amber when
you are following a vehicle ahead
much too closely.
See Forward Collision Alert (FCA)
System 0 237 .
Pedestrian Ahead
Indicator
If equipped, this indicator will
display amber when a nearby
pedestrian is detected directly in
front of the vehicle. See Front Pedestrian Braking (FPB)
System 0 241 .
Traction Off Light
This light comes on briefly while
starting the engine. If it does not,
have the vehicle serviced by your
dealer. If the system is working
normally, the indicator light then
turns off. For vehicles with a
reconfigurable cluster, this light is in
the display area and it may not
come on when the ignition is
turned on.
The traction off light comes on when
the Traction Control System (TCS)
has been turned off by pressing and
releasing the TCS/StabiliTrak
button.
This light and the StabiliTrak OFF
light come on when StabiliTrak is
turned off. If the TCS is off, wheel spin is not
limited. Adjust driving accordingly.
See Traction Control/Electronic
Stability Control 0 217 .
StabiliTrak ®
OFF Light
This light comes on briefly while
starting the engine. If it does not,
have the vehicle serviced by your
dealer.
This light comes on when the
StabiliTrak system is turned off.
If StabiliTrak is off, the Traction
Control System (TCS) is also off.
If StabiliTrak and TCS are off, the
system does not assist in controlling
the vehicle. Turn on the TCS and
the StabiliTrak systems, and the
warning light turns off.
See Traction Control/Electronic
Stability Control 0 217 .

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-9235592) -
2016 - crc - 11/6/15
Instruments and Controls 137
Traction Control System
(TCS)/StabiliTrak ®
Light
This light comes on briefly when the
engine is started.
If the light does not come on, have
the vehicle serviced by your dealer.
If the system is working normally,
the indicator light turns off.
If the light is on and not flashing, the
TCS and potentially the StabiliTrak
system have been disabled.
A Driver Information Center (DIC)
message may display. Check the
DIC messages to determine which
feature(s) is no longer functioning
and whether the vehicle requires
service.
If the light is on and flashing, the
TCS and/or the StabiliTrak system
is actively working. See Traction Control/Electronic
Stability Control 0 217 .
Engine Coolant
Temperature Warning
Light
On some vehicles this light comes
on briefly while starting the vehicle.
If it does not, have the vehicle
serviced by the dealer. If the system
is working normally the indicator
light goes off. For vehicles with the
reconfigurable cluster, this light may
not come on when starting the
vehicle. CautionThe engine coolant temperature
warning light indicates that the
vehicle has overheated. Driving
with this light on can damage the
engine and it may not be covered
by the vehicle warranty. See
Engine Overheating 0 280 .
The engine coolant temperature
warning light comes on when the
engine has overheated.
If this happens pull over and turn off
the engine as soon as possible. See
Engine Overheating 0 280 .
Tire Pressure Light

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-9235592) -
2016 - crc - 11/6/15
138 Instruments and Controls For vehicles with the Tire Pressure
Monitor System (TPMS), this light
comes on briefly when the engine is
started. It provides information
about tire pressures and the TPMS.
When the Light Is On Steady
This indicates that one or more of
the tires are significantly
underinflated.
A Driver Information Center (DIC)
tire pressure message may also
display. See Tire Messages 0 156 .
Stop as soon as possible, and
inflate the tires to the pressure value
shown on the Tire and Loading
Information label. See Tire
Pressure 0 306 .
When the Light Flashes First and
Then Is On Steady
If the light flashes for about a minute
and then stays on, there may be a
problem with the TPMS. If the
problem is not corrected, the light
will come on at every ignition cycle.
See Tire Pressure Monitor
Operation 0 309 . Engine Oil Pressure Light CautionLack of proper engine oil
maintenance can damage the
engine. Driving with the engine oil
low can also damage the engine.
The repairs would not be covered
by the vehicle warranty. Check
the oil level as soon as possible.
Add oil if required, but if the oil
level is within the operating range
and the oil pressure is still low,
have the vehicle serviced. Always
follow the maintenance schedule
for changing engine oil.
This light should come on briefly as
the engine is started. If it does not
come on, have the vehicle serviced
by your dealer. If the light comes on and stays on, it
means that oil is not flowing through
the engine properly. The vehicle
could be low on oil and might have
some other system problem. See
your dealer.
Low Fuel Warning Light
This light is near the fuel gauge and
comes on briefly when the ignition is
turned on as a check to show it is
working. For vehicles with a
reconfigurable cluster, this light is in
the display area and may not come
on when the ignition is turned on.
It also comes on when the fuel tank
is low on fuel. The light turns off
when fuel is added. If it does not,
have the vehicle serviced.

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-9235592) -
2016 - crc - 11/6/15
156 Instruments and Controls
Starting the Vehicle
Messages PRESS BRAKE TO START This message is displayed when
attempting to start the vehicle
without first pressing the brake
pedal.
SERVICE KEYLESS START
SYSTEM This message is displayed if there is
a problem with the pushbutton start
system. Take the vehicle to your
dealer for service.
Tire Messages SERVICE TIRE MONITOR
SYSTEM This message displays if there is a
problem with the Tire Pressure
Monitor System (TPMS). See Tire
Pressure Monitor Operation 0 309 . TIRE LEARNING ACTIVE This message displays when the
system is learning new tires. See
Tire Pressure Monitor
Operation 0 309 .
TIRE PRESSURE LOW ADD
AIR TO TIRE This message displays when the
pressure in one or more of the tires
is low.
This message also displays LEFT
FRONT, RIGHT FRONT, LEFT
REAR, or RIGHT REAR to indicate
the location of the low tire.
The low tire pressure warning light
will also come on. See Tire
Pressure Light 0 137 .
If a tire pressure message appears
on the DIC, stop as soon as
possible. Inflate the tires by adding
air until the tire pressure is equal to
the values shown on the Tire and
Loading Information label. See Tires
0 299 , Vehicle Load Limits 0 198 ,
and Tire Pressure 0 306 . More than one tire pressure
message can appear at a time. The
DIC also shows the tire pressure
values. See Driver Information
Center (DIC) 0 140 .
Transmission Messages SERVICE TRANSMISSION This message displays if there is a
problem with the transmission. See
your dealer.
SHIFT DENIED This message displays when using
Manual Mode and attempting to shift
to a gear not appropriate for the
vehicle speed and engine
revolutions per minute (rpm). See
Manual Mode 0 212 .
SHIFT TO PARK
This message displays when the
transmission needs to be shifted to
P (Park). This may appear when
turning the ignition off if the vehicle
is not in P (Park).

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-9235592) -
2016 - crc - 11/6/15
170 Lighting
Lighting Exterior Lighting Exterior Lamp Controls . . . . . . . 170
Exterior Lamps Off
Reminder . . . . . . . . . . . . . . . . . . . 172
Headlamp High/Low-Beam
Changer . . . . . . . . . . . . . . . . . . . . 172
Flash-to-Pass . . . . . . . . . . . . . . . . 172
Daytime Running
Lamps (DRL) . . . . . . . . . . . . . . . 172
Automatic Headlamp
System . . . . . . . . . . . . . . . . . . . . . . 172
Hazard Warning Flashers . . . . . 173
Turn and Lane-Change
Signals . . . . . . . . . . . . . . . . . . . . . . 173
Interior Lighting Instrument Panel Illumination
Control . . . . . . . . . . . . . . . . . . . . . . 174
Courtesy Lamps . . . . . . . . . . . . . . 174
Dome Lamps . . . . . . . . . . . . . . . . . 174
Reading Lamps . . . . . . . . . . . . . . 175
Lighting Features Entry Lighting . . . . . . . . . . . . . . . . 175
Exit Lighting . . . . . . . . . . . . . . . . . . 176
Battery Power Protection . . . . . 176
Exterior Lighting Battery
Saver . . . . . . . . . . . . . . . . . . . . . . . 176 Exterior Lighting Exterior Lamp Controls
The exterior lamp control is on the
turn signal lever.
Turn the control to the following
positions:
O : Turns off the exterior lamps.
The knob returns to the AUTO
position after it is released. Turn to
O again to reactivate the
AUTO mode.
In Canada, the headlamps will
automatically reactivate when the
vehicle is shifted out of P (Park).
AUTO : Automatically turns the
exterior lamps on and off,
depending on outside lighting. ; : Turns on the parking lamps
including all lamps, except the
headlamps.
2 : Turns on the headlamps
together with the parking lamps and
instrument panel lights.
IntelliBeam ®
SystemIf equipped, this system turns the
vehicle's high-beam headlamps on
and off according to surrounding
traffic conditions.
The system turns the high-beam
headlamps on when it is dark
enough and there is no other traffic
present.
This light
b comes on in the
instrument cluster when the
IntelliBeam system is enabled.

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-9235592) -
2016 - crc - 11/6/15
172 Lighting The automatic high-beam
headlamps may need to be disabled
if any of the above conditions exist.
Exterior Lamps Off
Reminder A warning chime sounds if the driver
door is opened while the ignition is
off and the exterior lamps are on.
Headlamp High/
Low-Beam Changer
3 : Push the turn signal lever away
from you and release, to turn the
high beams on. To return to low
beams, push the lever again or pull
it toward you and release.
This indicator light turns on in the
instrument cluster when the
high-beam headlamps are on. Flash-to-Pass To flash the high beams, pull the
turn signal lever toward you, and
release.
Daytime Running
Lamps (DRL) DRL can make it easier for others to
see the front of your vehicle during
the day. Fully functional DRL are
required on all vehicles first sold in
Canada.
If equipped with Light-Emitting
Diode (LED) headlamps, the
dedicated DRL will come on when
all of the following conditions
are met:
.
The ignition is on.
.
The exterior lamp control is
in AUTO.
.
The light sensor determines it is
daytime.
.
The parking brake is released or
the vehicle is not in P (Park). When the DRL are on, the taillamps,
sidemarker lamps, and other lamps
will not be on.
The DRL turn off when the
headlamps are turned to
O or the
ignition is off.
Automatic Headlamp
System When the exterior lamp control is
set to AUTO and it is dark enough
outside, the headlamps come on
automatically.

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-9235592) -
2016 - crc - 11/6/15
Lighting 173There is a light sensor on top of the
instrument panel. Do not cover the
sensor.
The system may also turn on the
headlamps when driving through a
parking garage or tunnel.
If the vehicle is started in a dark
garage, the automatic headlamp
system comes on immediately. If it
is light outside when the vehicle
leaves the garage, there is a slight
delay before the automatic
headlamp system changes to the
DRL. During that delay, the
instrument cluster may not be as
bright as usual. Make sure the
instrument panel brightness control
is in the full bright position. See
Instrument Panel Illumination
Control 0 174 .
When it is bright enough outside,
the headlamps will turn off or may
change to Daytime Running
Lamps (DRL).
The automatic headlamp system
turns off when the exterior lamp
control is turned to
O or the ignition
is off. For vehicles sold in Canada, this
control only works when the
transmission is in P (Park).
Lights On with Wipers If the windshield wipers are
activated in daylight with the engine
on, and the exterior lamp control is
in AUTO, the headlamps, parking
lamps, and other exterior lamps
come on. The transition time for the
lamps coming on varies based on
wiper speed. When the wipers are
not operating, these lamps turn off.
Move the exterior lamp control to
Oor
; to disable this feature.
Hazard Warning Flashers | : Touch this button on the center
stack to make the front and rear turn
signal lamps flash on and off. Touch
again to turn the flashers off.
The hazard warning flashers turn on
automatically if the airbags deploy.
Turn and Lane-Change
Signals
Move the lever all the way up or
down to signal a turn.
An arrow on the instrument cluster
flashes in the direction of the turn or
lane change.
Raise or lower the lever until the
arrow starts to flash to signal a lane
change. Hold it there until the lane