light CADILLAC CTS 2012 2.G Workshop Manual

Black plate (33,1)Cadillac CTS/CTS-V Owner Manual (Include Mex) - 2012
Instruments and Controls 5-33
PRESS BRAKE TO START
ENGINE (AUTOMATIC
TRANSMISSION ONLY)
If the vehicle has the keyless
access system, this message
displays if you try to start the engine
without having the brake pressed.
The brake needs to be pressed
when starting the engine. See
Ignition Positions (Key Access) on
page 9‑16orIgnition Positions
(Keyless Access) on page 9‑18 for
more information.
RELEASE PARK BRAKE
SWITCH
For vehicles with the electric parking
brake, this message displays if the
switch is pulled while the vehicle is
moving. See the electric parking
brake information under Parking
Brake (Manual) on page 9‑34 or
Parking Brake (Electric) on
page 9‑35 for more information.
SERVICE BRAKE ASSIST
This message displays if there is a
problem with the brake system. The
brake system warning light and the
antilock brake system (ABS)
warning light may also display on
the instrument panel cluster. See
Brake System Warning Light on
page 5‑22andAntilock Brake
System (ABS) Warning Light on
page 5‑23 for more information.
Stop as soon as possible and turn
off the vehicle. Restart the vehicle
and check for the message on the
DIC display. If the message displays
immediately or again after you begin
driving, the brake system needs
service. See your dealer as soon as
possible. See Antilock Brake
System (ABS) on page 9‑33 for
more information.
SERVICE BRAKE SYSTEM
This message displays, while the
ignition is on, when the brake fluid
level is low. The brake system
warning light on the instrument
panel cluster also comes on. See
Brake System Warning Light on
page 5‑22 for more information. This
message may also be displayed for
other brake system problems. Have
the brake system serviced by your
dealer as soon as possible.
SERVICE PARK BRAKE
For vehicles with the electric parking
brake, this message displays if a
problem is detected with the electric
parking brake system. See your
dealer for service.
STEP ON BRAKE TO
RELEASE PARK BRAKE
For vehicles with the electric parking
brake, this message displays if you
try to release the park brake system
without first pressing the brake
pedal. See the electric parking
brake information under Parking
Brake (Manual) on page 9‑34 or
Parking Brake (Electric) on
page 9‑35 for more information.

Black plate (35,1)Cadillac CTS/CTS-V Owner Manual (Include Mex) - 2012
Instruments and Controls 5-35
Engine Cooling System
Messages
ENGINE HOT A/C (AIR
CONDITIONING) OFF
This message displays when the
engine coolant becomes hotter than
the normal operating temperature.
SeeEngine Coolant Temperature
Gauge on page 5‑16. To avoid
added strain on a hot engine,
the air conditioning compressor
automatically turns off. When the
coolant temperature returns to
normal, the air conditioning
compressor turns back on. You
can continue to drive the vehicle.
If this message continues to appear,
have the system repaired by your
dealer as soon as possible to avoid
damage to the engine.
ENGINE OVERHEATED IDLE
ENGINE
Notice: If you drive the vehicle
while the engine is overheating,
severe engine damage may
occur. If an overheat warning
appears on the instrument panel
cluster and/or DIC, stop the
vehicle as soon as possible. Do
not increase the engine speed
above normal idling speed.
See Engine Overheating on
page 10‑23 for more information.
This message displays when the
engine coolant temperature is too
hot. Stop and allow the vehicle
to idle until it cools down. If the
message does not clear in a
few minutes or if the overheat light
stays on, shut the vehicle off and
have it serviced before driving
again. See Engine Coolant
Temperature Warning Light on
page 5‑24. See
Overheated Engine Protection
Operating Mode on page 10‑24 for
information on driving to a safe
place in an emergency.
Engine Oil Messages
CHANGE ENGINE OIL SOON
When this message displays, it
means that service is required
for the vehicle. See your dealer.
See Maintenance Schedule on
page 11‑3 andEngine Oil on
page 10‑10 for more information.
When you reset the CHANGE
ENGINE OIL SOON message by
clearing it from the display, you still
must reset the engine oil life system
separately. For more information on
resetting the engine oil life system,
see Engine Oil Life System on
page 10‑12.
ENGINE OIL LOW ADD OIL
If the vehicle has an oil level sensor,
this message displays if the oil level
in the vehicle is low. Check the oil
level and correct it as necessary.

Black plate (36,1)Cadillac CTS/CTS-V Owner Manual (Include Mex) - 2012
5-36 Instruments and Controls
You may need to let the vehicle cool
or warm up and cycle the ignition to
be sure this message clears.
This message clears itself after
10 seconds, until the next ignition
cycle. SeeEngine Oil on
page 10‑10 for additional
information.
OIL PRESSURE LOW STOP
ENGINE
Notice: If you drive the vehicle
while the engine oil pressure is
low, severe engine damage may
occur. If a low oil pressure
warning appears on the
instrument panel cluster and/or
DIC, stop the vehicle as soon as
possible. Do not drive the vehicle
until the cause of the low oil
pressure is corrected. See Engine
Oil on page 10‑10 for more
information. This message displays when the
vehicle's engine oil pressure is low.
The oil pressure light may also
appear on the instrument panel
cluster. See
Engine Oil Pressure
Light on page 5‑25. See Engine Oil
on page 10‑10 for more information.
Stop the vehicle immediately, as
engine damage can result from
driving a vehicle with low oil
pressure. Have the vehicle serviced
by your dealer as soon as possible
when this message is displayed.
Engine Power Messages
ENGINE POWER IS REDUCED
This message displays when the
engine power is being reduced to
protect the engine from damage.
There could be several malfunctions
that might cause this message.
Reduced engine power can affect
the vehicle's ability to accelerate.
If this message is on, but there is no
reduction in performance, proceed to your destination. The
performance may be reduced the
next time the vehicle is driven. The
vehicle may be driven at a reduced
speed while this message is on, but
acceleration and speed may be
reduced. Anytime this message
stays on, take the vehicle to your
dealer for service as soon as
possible.
Fuel System Messages
FUEL LEVEL LOW
This message displays when the
vehicle is low on fuel. Refill the fuel
tank as soon as possible. A chime
may sound when this message
displays. See
Filling the Tank on
page 9‑53.
TIGHTEN GAS CAP
This message displays when the
fuel cap has not been fully
tightened. Recheck the fuel cap to
ensure that it is on and tightened
properly.

Black plate (39,1)Cadillac CTS/CTS-V Owner Manual (Include Mex) - 2012
Instruments and Controls 5-39
(RKE) System Operation (Keyless
Access) on page 2‑6for more
information.
REPLACE BATTERY IN
REMOTE KEY
This message displays when the
battery in the Remote Keyless Entry
(RKE) or keyless access transmitter
needs to be replaced. To replace
the battery, see “Battery
Replacement” underRemote
Keyless Entry (RKE) System
Operation (Key Access) on
page 2‑5 orRemote Keyless Entry
(RKE) System Operation (Keyless
Access) on page 2‑6.
ROTATE CONTROL TO OFF
POSITION
If the vehicle has the keyless
access system, this message
displays when the ignition is in
ACC/ACCESSORY and the shift
lever has just been moved to
P (Park). The message displays as
a reminder to turn the ignition off. To avoid draining the battery, make
sure the ignition is turned off before
leaving the vehicle.
SERVICE KEYLESS START
SYSTEM
If the vehicle has the keyless
access system, this message
displays when there is a problem
with this feature. See your dealer.
Lamp Messages
AFL (ADAPTIVE FORWARD
LIGHTING) LAMPS NEED
SERVICE
This message displays when the
Adaptive Forward Lighting (AFL)
system is disabled and needs
service. See your dealer. See
Adaptive Forward Lighting (AFL) on
page 6‑5
for more information.
AUTOMATIC LIGHT
CONTROL OFF
This message displays when the
automatic headlamps are turned off.
AUTOMATIC LIGHT
CONTROL ON
This message displays when the
automatic headlamps are turned on.
TURN SIGNAL ON
This message displays as a
reminder to turn off the turn signal if
you drive the vehicle for more than
about 1.6 km (1 mi) with a turn signal
on. A multiple chime sounds when
this message displays.
Object Detection System
Messages
PARKING ASSIST BLOCKED
SEE OWNER'S MANUAL
If the vehicle has the Ultrasonic
Rear Park Assist (URPA) system,
this message displays if there is
something interfering with the park
assist system. See Ultrasonic
Parking Assist on page 9‑44 for
more information.

Black plate (41,1)Cadillac CTS/CTS-V Owner Manual (Include Mex) - 2012
Instruments and Controls 5-41
SERVICE ALL WHEEL DRIVE
This message displays if a problem
occurs with the All-Wheel Drive
(AWD) system. The vehicle will run
in 2WD. This could be caused by:
.An electronics problem
.An AWD system oil overheat
.Worn out or overheated clutch
plates
.Various electrical issues
If this message appears, stop as
soon as possible and turn off the
ignition for 30 seconds. Restart the
vehicle and check for the message
on the DIC display. If the message
still displays or appears again when
you begin driving, the system needs
service. See your dealer right away.
SERVICE POWER STEERING
This message displays if a problem
is detected with the speed variable
assist steering system. When this
message is displayed, you may notice that the effort required to
steer the vehicle increases or feels
heavier, but you will still be able to
steer the vehicle. See
Steering on
page 9‑4.
SERVICE STABILITRAK
This message displays if there has
been a problem detected with the
StabiliTrak
®system. The TCS/
StabiliTrak warning light on the
instrument panel cluster also
comes on.
If this message comes on while you
are driving, pull off the road as soon
as possible and stop carefully. Try
resetting the system by turning the
ignition off then back on. If this
message still stays on or comes
back on again while you are driving,
the vehicle needs service. Have the
StabiliTrak system inspected by
your dealer as soon as possible.
See StabiliTrak
®System on
page 9‑39 for more information.
SERVICE SUSPENSION
SYSTEM
This message displays when there
is a problem with the Magnetic Ride
Control system. See Magnetic Ride
Control on page 9‑40 for more
information. Have the vehicle
serviced by your dealer.
SERVICE TRACTION
CONTROL
This message displays when there
is a problem with the Traction
Control System (TCS). The TCS/
StabiliTrak warning light on the
instrument panel cluster also comes
on. When this message displays,
the system will not limit wheel spin.
Adjust your driving accordingly. See
your dealer for service. See Traction
Control System (TCS) on page 9‑38
for more information.

Black plate (42,1)Cadillac CTS/CTS-V Owner Manual (Include Mex) - 2012
5-42 Instruments and Controls
STABILITRAK
COMPETITIVE MODE
This message displays when the
Competitive Driving Mode is
selected. When in this mode, the
Traction Control System (TCS) will
not be operating and the TCS/
StabiliTrak warning light will turn on.
Adjust your driving accordingly. See
Competitive Driving Mode on
page 9‑40for more information.
STABILITRAK NOT READY
This message may display after first
driving the vehicle and exceeding
30 km/h (19 mph) for 30 seconds.
The TCS/StabiliTrak warning light
on the instrument panel cluster also
comes on. The StabiliTrak system is
not functional until the message has
turned off. See StabiliTrak
®System
on page 9‑39 for more information.
STABILITRAK OFF
This message displays when you
turn off StabiliTrak, or when the
stability control system has been
automatically disabled. The TCS/ StabiliTrak warning light on the
instrument panel cluster also
comes on.
To realize the full benefits of the
stability enhancement system, you
should normally leave StabiliTrak
on. To turn StabiliTrak on or off, see
StabiliTrak
®System on page 9‑39.
There are several conditions that
can cause this message to appear:
.If there is overheating, which
could occur if StabiliTrak
activates continuously for an
extended period of time.
.If the brake system warning light
is on. See Brake System
Warning Light on page 5‑22.
.If the stability system takes
longer than usual to complete its
diagnostic checks due to driving
conditions.
.If an engine or vehicle-related
problem has been detected and
the vehicle needs service. See
your dealer. The message turns off as soon
as the conditions that caused the
message to be displayed are no
longer present.
SUSPENSION MODE SPORT
(CTS-V ONLY)
This message will be displayed
when sport mode is selected using
the Magnetic Ride Control button in
the center of the instrument panel.
See
Magnetic Ride Control on
page 9‑40 for more information.
SUSPENSION MODE TOUR
(CTS-V ONLY)
This message will be displayed
when touring mode is selected
using the Magnetic Ride Control
button in the center of the
instrument panel. See Magnetic
Ride Control on page 9‑40 for more
information.
TRACTION CONTROL OFF
This message displays when the
traction control system has been
turned off.

Black plate (43,1)Cadillac CTS/CTS-V Owner Manual (Include Mex) - 2012
Instruments and Controls 5-43
Airbag System Messages
SERVICE AIR BAG
This message displays when there
is a problem with the airbag system.
Have the vehicle serviced by your
dealer immediately. SeeAirbag
Readiness Light on page 5‑17 for
more information.
Anti-theft Alarm System
Messages
SERVICE THEFT DETERRENT
SYSTEM
This message displays when there
is a problem with the theft-deterrent
system programmed in the key.
A fault has been detected in the
system which means that the
system is disabled and it is not
protecting the vehicle. The vehicle
usually restarts; however, you may
want to take the vehicle to your
dealer before turning off the engine.
See Immobilizer Operation (Key
Access) on page 2‑25 orImmobilizer Operation (Keyless
Access) on page 2‑26
for more
information.
START ABORTED BY THEFT
DETERRENT
This message displays if there is a
communication problem between
the keyless access system and the
vehicle. The vehicle cannot be
started when this message displays.
See your dealer for service.
THEFT ATTEMPTED
This message displays if the
theft-deterrent system has detected
a break-in attempt while you were
away from the vehicle. See
Anti-theft Alarm System on
page 2‑24 for more information.
Service Vehicle Messages
SERVICE A/C SYSTEM
This message displays when the
electronic sensors that control
the air conditioning and heating
systems are no longer working. Have the climate control system
serviced by your dealer if you
notice a drop in heating and air
conditioning efficiency.
SERVICE VEHICLE SOON
This message displays when a
non-emissions related malfunction
occurs. Have the vehicle serviced
by your dealer as soon as possible.
Tire Messages
SERVICE TIRE MONITOR
SYSTEM
This message displays if a part on
the Tire Pressure Monitor System
(TPMS) is not working properly. The
tire pressure light also flashes and
then remains on during the same
ignition cycle. See
Tire Pressure
Light on page 5‑25. Several
conditions may cause this message
to appear. See Tire Pressure
Monitor Operation on page 10‑73 for
more information. If the warning

Black plate (44,1)Cadillac CTS/CTS-V Owner Manual (Include Mex) - 2012
5-44 Instruments and Controls
comes on and stays on, there may
be a problem with the TPMS. See
your dealer.
TIRE LEARNING ACTIVE
This message displays when the
Tire Pressure Monitor System
(TPMS) is re-learning the tire
positions on the vehicle. The tire
positions must be re-learned after
rotating the tires or after replacing a
tire or sensor. SeeTire Rotation on
page 10‑77, Tire Pressure Monitor
System on page 10‑72, and Tire
Pressure on page 10‑70 for more
information.
TIRE LOW ADD AIR TO TIRE
On vehicles with the Tire Pressure
Monitor System (TPMS), this
message displays when the
pressure in one or more of the
vehicle’s 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 on page 5‑25.
If a tire pressure message appears
on the DIC, stop as soon as you
can. 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
on page 10‑63, Vehicle Load Limits
on page 9‑11, and Tire Pressure on
page 10‑70.
If the vehicle does not have a spare
tire, the message will display USE
INFLATOR KIT IN TRUNK. Use the
inflator kit to inflate the tires to the
correct pressure. See Tire Sealant
and Compressor Kit on page 10‑86
for more information.
More than one tire pressure
message can be received at a time.
To read the other messages, press
the set/reset button.
The DIC display also shows the tire
pressure values. See Driver
Information Center (DIC) on
page 5‑27.
Transmission Messages
DIFFERENTIAL HOT, REDUCE
SPEED (CTS-V ONLY)
This message displays and a chime
sounds if the differential fluid
temperature exceeds 150°C
(300°F). Driving aggressively
or at high speeds can cause the
differential fluid temperature to be
higher than normal. If this message
appears, you may continue to drive
at a slower speed. If you have been
operating the vehicle under normal
driving conditions, the vehicle may
need service. See your dealer for an
inspection.
To acknowledge the message, press
V. The message reappears and a
chime sounds every two minutes
until this condition changes. If you
do not clear the message, it will
remain on until the condition
changes.

Black plate (48,1)Cadillac CTS/CTS-V Owner Manual (Include Mex) - 2012
5-48 Instruments and Controls
keyless access transmitter, or when
the vehicle is automatically locked
using the Keyless Locking feature.
You will not receive feedback
when locking the vehicle with the
transmitter if the doors are open.
SeeRemote Keyless Entry (RKE)
System Operation (Key Access) on
page 2‑5 orRemote Keyless Entry
(RKE) System Operation (Keyless
Access) on page 2‑6, or “Keyless
Locking” later in this section for
more information.
Press the customization button until
Remote Door Lock appears on the
DIC display. Press the set/reset
button once to access the settings
for this feature. Then press the
menu up/down button to scroll
through the following settings.
Off: There will be no feedback
when you press the lock button
on the transmitter.
Lights Only: The exterior lamps
will flash when you press the lock
button on the transmitter. Horn Only:
The horn will sound on
the second press of the lock button
on the transmitter.
Horn & Lights (default): The
exterior lamps will flash when
you press the lock button on the
transmitter, and the horn will sound
when the lock button is pressed
again within five seconds of the
previous command.
No Change: No change will be
made to this feature. The current
setting will remain.
To select a setting, press the set/
reset button while the desired
setting is displayed on the DIC.
Remote Door Unlock Feedback
This feature allows you to select the
type of feedback you will receive
when unlocking the vehicle with the
Remote Keyless Entry (RKE) or
keyless access transmitter, or
when the vehicle is automatically
unlocked using the Keyless Unlock
feature. You will not receive
feedback when unlocking the vehicle with the transmitter if the
doors are open. See
Remote
Keyless Entry (RKE) System
Operation (Key Access) on
page 2‑5 orRemote Keyless Entry
(RKE) System Operation (Keyless
Access) on page 2‑6 or“Keyless
Unlock” later in this section for more
information.
Press the customization button until
Remote Door Unlock appears on
the DIC display. Press the set/reset
button once to access the settings
for this feature. Then press the
menu up/down button to scroll
through the following settings.
Lights Off: The exterior lamps will
not flash when you press the unlock
button on the transmitter.
Lights On (default): The exterior
lamps will flash when you press the
unlock button on the transmitter.
No Change: No change will be
made to this feature. The current
setting will remain.

Black plate (49,1)Cadillac CTS/CTS-V Owner Manual (Include Mex) - 2012
Instruments and Controls 5-49
To select a setting, press the set/
reset button while the desired
setting is displayed on the DIC.
Exit Lighting
This feature allows you to select the
amount of time you want the
exterior lamps to remain on when it
is dark enough outside. This
happens after the key is turned from
ON/RUN to LOCK/OFF.
Press the customization button until
Exit Lighting appears on the DIC
display. Press the set/reset button
once to access the settings for this
feature. Then press the menu up/
down button to scroll through the
following settings.
Off:The exterior lamps will not
turn on.
10 Seconds (default): The exterior
lamps will stay on for 10 seconds.
30 Seconds: The exterior lamps
will stay on for 30 seconds.
2 Minutes: The exterior lamps will
stay on for two minutes. No Change:
No change will be
made to this feature. The current
setting will remain.
To select a setting, press the set/
reset button while the desired
setting is displayed on the DIC.
Approach Lighting
This feature allows you to select
whether or not to have the exterior
lights turn on briefly during low light
periods after unlocking the vehicle
using the Remote Keyless Entry
(RKE) or keyless access transmitter.
Press the customization button until
Approach Lighting appears on the
DIC display. Press the set/reset
button once to access the settings
for this feature. Then press the
menu up/down button to scroll
through the following settings.
Off: The exterior lights will not turn
on when you unlock the vehicle with
the transmitter. On (default):
If it is dark enough
outside, the exterior lights will turn
on briefly when you unlock the
vehicle with the transmitter.
The lights will remain on for
20 seconds or until the lock button
on the transmitter is pressed, or the
vehicle is no longer off. See Remote
Keyless Entry (RKE) System
Operation (Key Access) on
page 2‑5 orRemote Keyless Entry
(RKE) System Operation (Keyless
Access) on page 2‑6 for more
information.
No Change: No change will be
made to this feature. The current
setting will remain.
To select a setting, press the set/
reset button while the desired
setting is displayed on the DIC.
Factory Settings
This feature allows you to set all of
the customization features back to
their factory default settings.