air conditioning CADILLAC CTS 2017 3.G Owners Manual

Cadillac CTS/CTS-V Owner Manual (GMNA-Localizing-MidEast-10293089) -
2017 - crc - 6/22/16
INTRODUCTION 3
M:Shown when the owner manual
has additional instructions or
information.
*: Shown when the service manual
has additional instructions or
information.
0: Shown when there is more
information on another page —
“see page.”
Vehicle Symbol Chart
Here are some additional symbols that
may be found on the vehicle and what
they mean.
9: Airbag Readiness Light
#:Air Conditioning
!:Antilock Brake System (ABS)
g: Audio Steering Wheel Controls
$:Brake System Warning Light
":Charging System
I: Cruise Control
`:Do Not Puncture
^:Do Not Service
B:Engine Coolant Temperature
O:Exterior Lamps
_:Flame/Fire Prohibited
.:Fuel Gauge
+: Fuses
3:Headlamp High/Low-Beam
Changer
(: Heated Steering Wheel
j:LATCH System Child Restraints
*:Malfunction Indicator Lamp
::Oil Pressure
O:Power
/:Remote Vehicle Start
>:Safety Belt Reminders
7: Tire Pressure Monitor
d:Traction Control/StabiliTrak®
a:Under Pressure
M: Windshield Washer Fluid

Cadillac CTS/CTS-V Owner Manual (GMNA-Localizing-MidEast-10293089) -
2017 - crc - 6/22/16
IN BRIEF 19
Climate Touch Screen Controls
1. Outside Temperature Display
2. Driver and Passenger Temperature Controls
3. Fan Control
4. SYNC (Synchronized Temperature)
5. A/C Mode (Air Conditioning)
6. Climate Control Selection (Application Tray Button)
7. Rear (Rear Climate Control Touch Screen)
8. Air Delivery Mode Control See
Dual Automatic Climate Control
System 0172 and Rear Climate Control
System 0177 (if equipped).
Transmission
Tap Shift
If equipped, permanent Tap Shift
Mode may be entered with the shift
lever in D (Drive), by pressing the
M (Manual Mode) button on the top
of the shift lever.
Temporary Tap Shift Mode may be
entered while in D (Drive) using the
tap shift controls on the back of the
steering wheel.
SeeManual Mode 0205.
Starting the Engine
When first starting the vehicle, the
engine idle speed will be elevated to
allow the catalytic converter, an
emissions control device, to quickly
reach operating temperature. After
approximately 20 seconds, the engine
will begin to transition to its normal,
quieter idle speed, which can vary
depending on the temperature. This is
normal operation.
Vehicle Features
Infotainment System
See the infotainment manual for
information on the radio, audio
players, phone, navigation system, and
voice or speech recognition,
if equipped. It also includes
information on settings.
Steering Wheel Controls
The infotainment system can be
operated by using the steering wheel
controls. See "Steering Wheel
Controls" in the infotainment manual.

Cadillac CTS/CTS-V Owner Manual (GMNA-Localizing-MidEast-10293089) -
2017 - crc - 6/22/16
140 INSTRUMENTS AND CONTROLS
Engine Cooling System
Messages
A/C OFF ENGINE COOLANT HOT
This message displays when the
engine coolant becomes hotter than
the normal operating temperature. 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. The vehicle
can continue to be driven.
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
This message displays and a chime
sounds when the engine coolant
temperature is too hot. The engine
coolant temperature warning light will
also be on. Stop and allow the vehicle
to idle until it cools down.
ENGINE OVERHEATED —TURN
VEHICLE OFF
This message displays and a
continuous chime sounds if the
engine cooling system reaches unsafe
temperatures for operation. The
engine coolant temperature warning
light will flash. Stop and turn off the
vehicle as soon as it is safe to do so to
avoid severe damage. This message
clears when the engine has cooled to a
safe operating temperature.
Engine Oil Messages
CHANGE ENGINE OIL SOON
This message displays when the
engine oil needs to be changed. When
you change the engine oil, be sure to
reset the oil life system. See Engine Oil
Life System 0259, Driver Information
Center (DIC) 0132, Engine Oil 0257,
and Maintenance Schedule 0324.
ENGINE OIL HOT, IDLE ENGINE
This message displays when the
engine oil temperature is too hot. Stop
and allow the vehicle to idle until it
cools down.
ENGINE OIL LOW —ADD OIL
On some vehicles, this message
displays when the engine oil level may
be too low. Check the oil level before
filling to the recommended level.
If the oil is not low and this message
remains on, take the vehicle to your
dealer for service. See Engine
Oil 0257.
OIL PRESSURE LOW —STOP
ENGINE
This message displays if low oil
pressure levels occur. Stop the vehicle
as soon as safely possible and do not
operate it until the cause of the low
oil pressure has been corrected. Check
the oil as soon as possible and have
the vehicle serviced by your dealer.
Engine Power Messages
ENGINE POWER IS REDUCED
This message displays when the
vehicle's engine power is reduced.
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

Cadillac CTS/CTS-V Owner Manual (GMNA-Localizing-MidEast-10293089) -
2017 - crc - 6/22/16
146 INSTRUMENTS AND CONTROLS
When this message is displayed, the
vehicle’s handling capabilities will be
reduced during severe maneuvers.
StabiliTrak will be affected. See
Traction Control/Electronic Stability
Control0209.
SERVICE STABILITRAK
This message displays if there is a
problem with the StabiliTrak system.
See Traction Control/Electronic Stability
Control 0209.
SERVICE SUSPENSION SYSTEM
This message displays when there is a
problem with the Magnetic Ride
Control system. See Driver Mode
Control 0211. Have the vehicle
serviced by your dealer.
SERVICE TRACTION CONTROL
This message displays when there is a
problem with the Traction Control
System (TCS). See Traction Control/
Electronic Stability Control 0209.
TRACTION CONTROL OFF
This message may display when the
Traction Control System (TCS) has
been turned off. See Traction Control/
Electronic Stability Control 0209.
TRACTION CONTROL ON
This message may display when the
Traction Control System (TCS) has
been turned on. See Traction Control/
Electronic Stability Control 0209.
Airbag System Messages
SERVICE AIRBAG
This message displays if there is a
problem with the airbag system. See
your dealer for service.
Safety Belt Messages
AUTOMATIC SEATBELT
TIGHTENING UNAVAILABLE
This message displays when the
Automatic Safety Belt Tightening
System, if equipped, becomes
unavailable. This could be caused by a
temporary condition. If the message
continues to display, see your dealer.
SERVICE AUTOMATIC SEATBELT
TIGHTENING SYSTEM
If this message displays, take the
vehicle to your dealer to repair the
Automatic Safety Belt Tightening
System, if equipped.
Security Messages
THEFT ATTEMPTED
This message displays if the vehicle
detects a tamper condition.
Service Vehicle Messages
SERVICE AC SYSTEM
This message displays if there is a
problem with the air conditioning
system. Take the vehicle to your
dealer for service.
SERVICE POWER STEERING
This message displays and a chime
may sound when there may be a
problem with the power steering
system. If this message displays and a
reduction in steering performance or
loss of power steering assistance is
noticed, see your dealer.

Cadillac CTS/CTS-V Owner Manual (GMNA-Localizing-MidEast-10293089) -
2017 - crc - 6/22/16
CLIMATE CONTROLS 173
Climate Touch Screen Controls
1. Outside Temperature Display
2. Driver and Passenger Temperature Controls
3. Fan Control
4. SYNC (Synchronized Temperature)
5. A/C Mode (Air Conditioning)
6. Climate Control Selection (Application Tray Button)
7. Rear (Rear Climate Control Touch Screen)
8. Air Delivery Mode Control Climate Control Touch Screen
The fan, air delivery mode, air
conditioning, driver and passenger
temperatures, and SYNC settings can
be controlled by pressing CLIMATE on
the infotainment home screen or the
climate button in the touch screen
application tray. A selection can then
be made on the front climate control
page displayed. See the infotainment
manual.
Climate Control Status Screen
The climate control status screen
appears briefly when the climate
control buttons on the faceplate are adjusted. The air delivery mode can be
adjusted on the climate control status
screen.
Climate Control Function with Stop/
Start (If Equipped)
The climate control system depends
on other vehicle systems for heat and
power input. The climate control
system will balance stop/start
efficiency with air conditioning
comfort and defog operation. Certain
climate control settings can result in
fewer Auto Stops.
The following are climate control
settings that result in fewer Auto
Stops:
.
The defrost mode.
. High fan speed settings.
. Extreme temperature settings.
For maximum air conditioning
comfort, use the stop/start disable
switch. See “Auto Engine Stop/Start ”
under Starting the Engine 0198.

Cadillac CTS/CTS-V Owner Manual (GMNA-Localizing-MidEast-10293089) -
2017 - crc - 6/22/16
174 CLIMATE CONTROLS
Automatic Operation
The system automatically controls the
fan speed, air delivery, air
conditioning, and recirculation in
order to heat or cool the vehicle to the
desired temperature.
When the indicator light is on or
AUTO is displayed on the touch
screen, the system is in full automatic
operation. If the air delivery mode or
fan setting is manually adjusted, the
auto indicator turns off and the
display will show the selected settings.
Auto operation can be turned off
individually for climate settings.
For automatic operation:1. Press AUTO.
2. Set the temperature. Allow the system time to stabilize. Then
adjust the temperature as needed
for best comfort.
To improve fuel efficiency and to cool
the vehicle faster, recirculation may be
automatically selected in warm
weather. The recirculation light will
not come on. Press
@to select
recirculation; press it again to select
outside air. English units can be changed to
metric units through the instrument
cluster. See
“Cluster Options Menu ”
under Instrument Cluster 0114.
OFF : Press to turn the fan on or off.
The temperature control and air
delivery mode can still be adjusted.
w/x: The temperature can be
adjusted separately for the driver and
the passenger. Press to increase or
decrease the temperature. Press and
hold to rapidly increase or decrease
the temperature.
The driver and passenger
temperatures can also be adjusted by
pressing the controls on the touch
screen.
SYNC : Press SYNC on the touch
screen to link all climate zone settings
to the driver settings. Adjust the
driver side temperature control to
change the linked temperature. When
the passenger settings are adjusted,
the SYNC button is displayed when
the temperatures are unlinked.
Rear : If equipped, press this button
on the front climate control touch
screen to open the rear climate control screen. The rear climate
control settings can now be adjusted
from the front passenger area.
Manual Operation
z 9 y:
Press the fan control
buttons or the touch screen fan
control, to increase or decrease the
fan speed. Press and hold the buttons
or the touch screen control to adjust
speed more quickly. The fan speed
setting displays. Pressing either button
cancels automatic fan control and the
fan can be controlled manually. Press
AUTO to return to automatic
operation. To turn off the fan and
climate control system, press and hold
the fan down button or touch screen
fan control until it is off.
Air Delivery Mode Control : When
the climate information is displayed,
press the desired air delivery mode on
the touch screen to change the
direction of the airflow. The selected
air delivery mode button is lit.
Pressing any of the air delivery
buttons cancels automatic air delivery
control and the direction of the

Cadillac CTS/CTS-V Owner Manual (GMNA-Localizing-MidEast-10293089) -
2017 - crc - 6/22/16
CLIMATE CONTROLS 175
airf low can be controlled manually.
Press AUTO to return to automatic
operation.
To change the current mode, select
one of the following:
Y:Air is directed to the instrument
panel outlets.
\: Air is divided between the
instrument panel outlets and the floor
outlets.
[: Air is directed to the floor
outlets.
-: Clears the windows of fog or
moisture. Air is directed to the
windshield and floor outlets.
0: Clears the windshield of fog or
frost more quickly. Air is directed to
the windshield. Press the
0button
to turn on or off. Changing the air
delivery mode also turns the
defrost off.
A/C : Press the AC Mode touch screen
control to turn the automatic air
conditioning on or off. If the fan is
turned off, the air conditioner will not run. Outside temperatures below
freezing may also prevent the air
conditioner from running.
Press AUTO to return to automatic
operation and the air conditioner runs
as needed.
Automatic Air Recirculation :
When
the AUTO indicator light is on, the air
is automatically recirculated as
needed to help quickly cool the inside
of the vehicle.
The climate control system may have
a sensor to detect air pollution. When
using automatic air recirculation, the
air quality control system may
operate. To adjust the sensitivity of
the air quality sensor, see “Climate
and Air Quality” underVehicle
Personalization 0149.@:Press to alternate between
recirculating air inside the vehicle or
pulling in outside air. The indicator
light on the button is lit when
recirculation mode is active. This
helps to quickly cool the air inside the
vehicle or reduce the outside air and
odors that might enter. Pressing this button cancels automatic
recirculation. Press AUTO to return to
automatic operation; recirculation
runs automatically as needed.
Manual recirculation mode is not
available when in Defrost or Defog
modes.
Auto Defog :
The climate control
system may have a sensor to
automatically detect high humidity
inside the vehicle. When high
humidity is detected, the climate
control system may adjust to outside
air supply and turn on the air
conditioner. If the climate control
system does not detect possible
window fogging, it returns to normal
operation. To turn Auto Defog off or
on, see “Climate and Air Quality”
under Vehicle Personalization 0149.Rear Window Defogger
=:Press to turn the rear window
defogger on or off. An indicator light
on the button comes on to show that
the rear window defogger is on.

Cadillac CTS/CTS-V Owner Manual (GMNA-Localizing-MidEast-10293089) -
2017 - crc - 6/22/16
180 CLIMATE CONTROLS
Maintenance
Passenger Compartment
Air Filter
The filter reduces dust, pollen, and
other airborne irritants from outside
air that is pulled into the vehicle. The
filter should be replaced as part of
routine scheduled maintenance. See
Maintenance Schedule0324.
See your dealer regarding replacement
of the filter.
Service
All vehicles have a label underhood
that identifies the refrigerant used in
the vehicle. The refrigerant system
should only be serviced by trained and
certified technicians. The air
conditioning evaporator should never
be repaired or replaced by one from a
salvage vehicle. It should only be
replaced by a new evaporator to
ensure proper and safe operation.
During service, all refrigerants should
be reclaimed with proper equipment.
Venting refrigerants directly to the
atmosphere is harmful to the environment and may also create
unsafe conditions based on inhalation,
combustion, frostbite, or other
health-based concerns.

Cadillac CTS/CTS-V Owner Manual (GMNA-Localizing-MidEast-10293089) -
2017 - crc - 6/22/16
268 VEHICLE CARE
Then check to see if the engine
cooling fan is running. If the engine is
overheating, the fan should be
running. If it is not, do not continue
to run the engine. Have the vehicle
serviced.
Caution
Running the engine without coolant
may cause damage or a fire. Vehicle
damage would not be covered by
the vehicle warranty.
If Steam Is Coming from the
Engine Compartment
{Warning
Steam from an overheated engine
can burn you badly, even if you just
open the hood. Stay away from the
engine if you see or hear steam
coming from it. Just turn it off and
get everyone away from the vehicle(Continued)
Warning (Continued)
until it cools down. Wait until there
is no sign of steam or coolant
before you open the hood.
If you keep driving when the engine
is overheated, the liquids in it can
catch fire. You or others could be
badly burned. Stop the engine if it
overheats, and get out of the
vehicle until the engine is cool.
If Steam Is Coming from the
Engine Compartment with No
Overheat Warning
(V-Series Only)
The V-Series hood vent is functional,
and will allow water from rain and car
washes to enter the engine
compartment and contact hot
surfaces. If steam is seen coming from
the hood vent with no accompanying
overheat warning, no action is
required.
If No Steam Is Coming from the
Engine Compartment
If an engine overheat warning is
displayed but no steam can be seen or
heard, the problem may not be too
serious. Sometimes the engine can get
a little too hot when the vehicle:
.Climbs a long hill on a hot day.
. Stops after high-speed driving.
. Idles for long periods in traffic.
If the overheat warning is displayed
with no sign of steam: 1. Turn the air conditioning off.
2. Turn the heater on to the highest temperature and to the highest
fan speed. Open the windows as
necessary.
3. When it is safe to do so, pull off the road, shift to P (Park) or
N (Neutral) and let the
engine idle.
If the overheat warning no longer
displays, the vehicle can be driven.
Continue to drive the vehicle slowly
for about 10 minutes. Keep a safe
vehicle distance from the vehicle in
front. If the warning does not come

Cadillac CTS/CTS-V Owner Manual (GMNA-Localizing-MidEast-10293089) -
2017 - crc - 6/22/16
332 SERVICE AND MAINTENANCE
UsageFluid/Lubricant
Rear Axle (Non-Limited Slip Differential) SAE 75W-90 Synthetic Axle Lubricant (GM Part No. 88863089).
Transfer Case (All-Wheel Drive) Transfer Case Fluid (GM Part No. 88861950). Weatherstrip Conditioning Weatherstrip Lubricant (GM Part No. 3634770) or Dielectric Silicone Grease (GM Part No. 12345579).
Windshield Washer Automotive windshield washer fluid that meets regional freeze protection
requirements.
Maintenance Replacement Parts
Replacement parts identified below by name, part number, or specification can be obtained from your dealer.
Part GM Part Number ACDelco Part Number
Engine Air Cleaner/Filter 2.0L L4 Engine (LTG) 20857930 A3178C
3.6L V6 Engine (LGX) 20857930 A3178C
3.6L V6 Engine (LF3) 22844634 A3185C
6.2L V8 Engine (V-Series) 22935844 A3303C
Engine Oil Filter 2.0L L4 Engine (LTG) 12640445 PF64
3.6L V6 Engine (LGX) 19330000 PF63E