2018 CADILLAC CTS warning light

Cadillac CTS/CTS-V Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
11349156) - 2018 - CRC - 9/29/17
INSTRUMENTS AND CONTROLS 131
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 0129.
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) 0239.
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 0232.

Cadillac CTS/CTS-V Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
11349156) - 2018 - CRC - 9/29/17
132 INSTRUMENTS AND CONTROLS
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.
SeeTraction Control/Electronic Stability
Control 0206.
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 0206.
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.

Cadillac CTS/CTS-V Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
11349156) - 2018 - CRC - 9/29/17
INSTRUMENTS AND CONTROLS 133
SeeTraction Control/Electronic Stability
Control 0206.
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.
Caution
The engine coolant temperature
warning light indicates that the
vehicle has overheated. Driving with
this light on can damage the engine
(Continued)
Caution (Continued)
and it may not be covered by the
vehicle warranty. SeeEngine
Overheating 0274.
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 0274.
Driver Mode Control Light
(Uplevel)
This light comes on when Sport Mode
is selected.
This light comes on when Snow/Ice
Mode is selected.
This light comes on when Track Mode
is selected. See Driver Mode Control
0 208.
Tire Pressure Light

Cadillac CTS/CTS-V Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
11349156) - 2018 - CRC - 9/29/17
134 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.
Stop as soon as possible, and inflate
the tires to the pressure value shown
on the Tire and Loading Information
label. SeeTire Pressure 0301.
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 0304.Engine Oil Pressure Light
Caution
Lack 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 CTS/CTS-V Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
11349156) - 2018 - CRC - 9/29/17
140 INSTRUMENTS AND CONTROLS
Head-Up Display (HUD)
{Warning
If the HUD image is too bright or
too high in your field of view, it
may take you more time to see
things you need to see when it is
dark outside. Be sure to keep the
HUD image dim and placed low in
your field of view.
If equipped with HUD, some
information concerning the operation
of the vehicle is projected onto the
windshield. The image is projected
through the HUD lens on top of the
instrument panel. The information
appears as an image focused out
toward the front of the vehicle.
Caution
If you try to use the HUD image as
a parking aid, you may misjudge
the distance and damage your
vehicle. Do not use the HUD image
as a parking aid. The HUD information can be
displayed in various languages in
some vehicles. The speedometer
reading and other numerical values
can be displayed in either English or
metric units.
The language selection is changed
through the radio and the units of
measurement is changed through the
instrument cluster. See
Vehicle
Personalization 0144 and “Cluster
Settings Menu ”under Instrument
Cluster 0118.
HUD Display on the Vehicle
Windshield The HUD may display some of the
following vehicle information and
vehicle messages or alerts, if equipped:
.
Speed
. Speed Limit
. Tachometer
. Audio
. Phone
. Navigation
. Collision Alert
. Vehicle Ahead
. Cruise Control Set Speed
. Adaptive Cruise Control
. Lane Departure/Lane Keep Assist
. Low Fuel
. Transmission Gear
. Shift Lights (CTS-V only)
Some vehicle messages or alerts
displayed in the HUD may be cleared
by using the steering wheel controls.
See Vehicle Messages 0143.

Cadillac CTS/CTS-V Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
11349156) - 2018 - CRC - 9/29/17
INSTRUMENTS AND CONTROLS 141
The HUD control is to the left of the
steering wheel.
To adjust the HUD image:1. Adjust the driver seat.
2. Start the engine.
3. Use the following settings to adjust the HUD.
$:Press down or lift up to center
the HUD image. The HUD image can
only be adjusted up and down, not
side to side.
!: Press to select the display view.
Each press will change the
display view.
D: Lift up and hold to brighten the
display. Press down and hold to dim
the display. Hold down to turn the
display off. The HUD image will automatically
dim and brighten to compensate for
outside lighting. The HUD brightness
control can also be adjusted as
needed.
The HUD image can temporarily light
up depending on the angle and
position of the sunlight on the HUD
display. This is normal.
Polarized sunglasses could make the
HUD image harder to see.
Head-Up Display (HUD) Rotation
Option
This feature allows for adjusting the
angle of the HUD image.
Press SEL on the steering wheel
controls while Head-up Display is
highlighted in the Options menu to
enter Main View. From the Main View,
press SEL to enter the Adjust Menu.
Press
yorzto adjust the angle of
the HUD display. Press
SorTto
highlight OK, then press SEL to save
the setting. CANCEL can also be
selected to cancel the setting. The
vehicle must be in P (Park). See
Instrument Cluster 0118. HUD Views
There are four views in the HUD.
Some vehicle information and vehicle
messages or alerts may be displayed
in any view.
Metric
English
Speed View : This display gives the
speedometer reading (in English or
metric units), speed limit, Adaptive
Cruise Control, Set Speed, Lane
Departure Warning/Lane Keep Assist,
and Vehicle Ahead indicator. Some
information only appears on vehicles
that have these features, and when
they are active.

Cadillac CTS/CTS-V Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
11349156) - 2018 - CRC - 9/29/17
LIGHTING 153
Lighting
Exterior Lighting
Exterior Lamp Controls . . . . . . . . . . 153
Exterior Lamps Off Reminder . . . 155
Headlamp High/Low-BeamChanger . . . . . . . . . . . . . . . . . . . . . . . . . . 155
Flash-to-Pass . . . . . . . . . . . . . . . . . . . . . 155
Daytime Running Lamps (DRL) . . . . . . . . . . . . . . . . . . . . 155
Automatic Headlamp System . . . 156
Adaptive Forward Lighting (AFL) . . . . . . . . . . . . . . . . . . 156
Hazard Warning Flashers . . . . . . . . 157
Turn and Lane-Change Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . 157
Interior Lighting
Instrument Panel IlluminationControl . . . . . . . . . . . . . . . . . . . . . . . . . . 158
Courtesy Lamps . . . . . . . . . . . . . . . . . . 158
Dome Lamps . . . . . . . . . . . . . . . . . . . . . 158
Reading Lamps . . . . . . . . . . . . . . . . . . . 158
Lighting Features
Entry Lighting . . . . . . . . . . . . . . . . . . . . 159
Exit Lighting . . . . . . . . . . . . . . . . . . . . . . 159
Battery Load Management . . . . . . 159
Battery Power Protection . . . . . . . . 160
Exterior Lighting Battery Saver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160Exterior Lighting
Exterior Lamp Controls
Turn the control to the following
positions:
O:Turns the exterior lamps off and
deactivates the AUTO mode. Turn to
Oagain 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.

Cadillac CTS/CTS-V Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
11349156) - 2018 - CRC - 9/29/17
LIGHTING 155
.Your vehicle's windshield is dirty,
cracked, or obstructed by
something that blocks the view of
the light sensor.
. Your vehicle is loaded such that
the front end points upward,
causing the light sensor to aim
high and not detect headlamps
and taillamps.
. Driving on winding or hilly roads.
The automatic high-beam headlamps
may need to be disabled if any of the
above conditions exist.
Exterior Lamps Off
Reminder
A warning chime will sound if the
exterior lamp control is left on in
either the headlamp or parking lamp
position and the driver door is opened
with the ignition off.
Headlamp High/Low-Beam
Changer
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
This feature allows the high-beam
headlamps to be used to signal the
driver in front of you that you want
to pass.
Pull and hold the turn signal lever
toward you to use this feature. When
this is done the following will occur: .
If the headlamps are off or in
low-beam mode, the high-beam
headlamps will turn on. They will
stay on as long as the lever is held
there. Release the lever to turn
them off.
. If the headlamps are in high-beam
mode, they will go to low beam.
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.
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 vehicle is not parked.
The taillamps, instrument panel
lights, and other lamps will not be on.