2011 CADILLAC CTS coolant temperature
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Black plate (19,1)Cadillac CTS/CTS-V Owner Manual - 2011
Vehicle Care 10-19
Cooling System
The cooling system allows the
engine to maintain the correct
working temperature.
When you decide it is safe to lift the
hood, here is what you will see:
A. Electric Engine Cooling Fan(s)(Out of View)
B. Coolant Surge Tank and Pressure Cap
{WARNING
An electric engine cooling fan
under the hood can start up even
when the engine is not running
and can cause injury. Keep
hands, clothing, and tools away
from any underhood electric fan.
{WARNING
Heater and radiator hoses, and
other engine parts, can be very
hot. Do not touch them. If you do,
you can be burned.
Do not run the engine if there is a
leak. If you run the engine, it
could lose all coolant. That could
cause an engine fire, and you
could be burned. Get any leak
fixed before you drive the vehicle.
Notice: Using coolant other than
DEX-COOL
®can cause premature
engine, heater core, or radiator
corrosion. In addition, the engine coolant could require changing
sooner, at 50 000 km
(30,000 miles) or 24 months,
whichever occurs first. Any
repairs would not be covered by
the vehicle warranty. Always use
DEX-COOL
®(silicate-free) coolant
in the vehicle.
Engine Coolant
The cooling system in the vehicle
for all engines and the intercooler is
filled with DEX-COOL
®. This coolant
is designed to remain in the vehicle
for five years or 240 000 km
(150,000 miles), whichever occurs
first.
The following explains the cooling
system and how to check and add
coolant when it is low. If there is a
problem with engine overheating,
see Engine Overheating
on
page 10‑24.
Page 338 of 496
Black plate (20,1)Cadillac CTS/CTS-V Owner Manual - 2011
10-20 Vehicle Care
What to Use
{WARNING
Adding only plain water to the
cooling system can be
dangerous. Plain water, or some
other liquid such as alcohol, can
boil before the proper coolant
mixture will. The vehicle's coolant
warning system is set for the
proper coolant mixture. With plain
water or the wrong mixture, the
engine could get too hot but you
would not get the overheat
warning. The engine could catch
fire and you or others could be
burned. Use a 50/50 mixture of
clean, drinkable water and
DEX-COOL
®coolant.Use a 50/50 mixture of clean,
drinkable water and DEX-COOL
®
coolant. If using this mixture,
nothing else needs to be added.
This mixture:
.Gives freezing protection down
to
−37°C (−34°F), outside
temperature.
.Gives boiling protection up to
129°C (265°F), engine
temperature.
.Protects against rust and
corrosion.
.Will not damage aluminum parts.
.Helps keep the proper engine
temperature.
Notice: If an improper coolant
mixture is used, the engine could
overheat and be badly damaged.
The repair cost would not be
covered by the vehicle warranty.
Too much water in the mixture
can freeze and crack the engine,
radiator, heater core, and other
parts.
Checking Coolant
The vehicle must be on a level
surface when checking the coolant
level.
The engine coolant reservoir is
located in the engine compartment
on the driver side of the vehicle.
See Engine Compartment Overview
on page 10‑6.
Check to see if coolant is visible in
the surge tank. If the coolant inside
the surge tank is boiling, do not do
anything else until it cools down.
If coolant is visible but the coolant
level is not at or above the FULL
COLD mark, add a 50/50 mixture of
clean, drinkable water and
DEX-COOL
®coolant at the coolant
surge tank, but be sure the cooling
system is cool before this is done.
If the engine is warm or hot, the
coolant level should be at or above
the FROID/FULL COLD line on the
side of the coolant surge tank. If the
engine is cold, the coolant level
should be near the FROID/FULL
Page 485 of 496
Black plate (3,1)Cadillac CTS/CTS-V Owner Manual - 2011
INDEX i-3
Cautions, Danger, andWarnings . . . . . . . . . . . . . . . . . . . . . . . . iv
CD DVD Player . . . . . . . . . . . . . . . . . . . 7-20
CD Player . . . . . . . . . . . . . . . . . . . . . 7-17
Center Console Storage . . . . . . . . 4-2
Central Door Unlock System . . . 2-15
Chains, Tire . . . . . . . . . . . . . . . . . . 10-89
Charging System Light . . . . . . . . 5-19
Check Engine Light . . . . . . . . . . . . . . . . . . 5-19
Ignition
Transmission Lock . . . . . . . . 10-33
Child Restraints Infants and YoungChildren . . . . . . . . . . . . . . . . . . . . . 3-47
Lower Anchors and Tethers for Children . . . . . . . . . 3-53
Older Children . . . . . . . . . . . . . . . . 3-44
Securing . . . . . . . . . . . . . . . . 3-60, 3-62
Systems . . . . . . . . . . . . . . . . . . . . . . 3-49
Where to Put the Restraint . . . 3-51
Cigarette Lighter . . . . . . . . . . . . . . . . 5-9
Circuit Breakers . . . . . . . . . . . . . . 10-42 Cleaning
Exterior Care . . . . . . . . . . . . . . 10-120
Interior Care . . . . . . . . . . . . . . . 10-124
Climate Control Systems Dual Automatic . . . . . . . . . . . . . . . . 8-1
Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-8
Cluster, IP . . . . . . . . . . . . . . . . . . . . . 5-11
Clutch, Hydraulic . . . . . . . . . . . . . 10-15
Collision Damage Repair . . . . . 13-12
Compact Spare Tire . . . . . . . . . 10-111
Compass . . . . . . . . . . . . . . . . . . . . . . . 5-7
Compass Messages . . . . . . . . . . . 5-34
Competitive Driving . . . . . . . . . . . . . 9-7
Competitive Driving Mode . . . . . 9-39
Compressor Kit, Tire Sealant . . . . . . . . . . . . . . . . . . . . . . 10-92
Control of a Vehicle . . . . . . . . . . . . . 9-3
Convenience Net . . . . . . . . . . . . . . . 4-6
Convex Mirrors . . . . . . . . . . . . . . . . 2-27
Coolant Engine . . . . . . . . . . . . . . . . . . . . . . 10-19
Engine Temperature
Gauge . . . . . . . . . . . . . . . . . . . . . . 5-16
Engine Temperature Warning Light . . . . . . . . . . . . . . . 5-25 Cooling System . . . . . . . . . . . . . . . 10-19
Engine Messages . . . . . . . . . . . . 5-35
Courtesy Transportation Program . . . . . . . . . . . . . . . . . . . . . 13-10
Covers Cargo . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2
Engine . . . . . . . . . . . . . . . . . . . . . . 10-10
Cruise Control . . . . . . . . . . . . . . . . . 9-40 Light . . . . . . . . . . . . . . . . . . . . . . . . . . 5-27
Messages . . . . . . . . . . . . . . . . . . . . 5-34
Cupholders . . . . . . . . . . . . . . . . . . . . . 4-1
Customer Assistance
Offices . . . . . . . . . . . . . . . . . . 13-4, 13-5
Text Telephone (TTY)Users . . . . . . . . . . . . . . . . . . . . . . . 13-6
Customer Information
Service PublicationsOrdering Information . . . . . . 13-14
Customer Satisfaction Procedure . . . . . . . . . . . . . . 13-1, 13-3
Page 487 of 496
Black plate (5,1)Cadillac CTS/CTS-V Owner Manual - 2011
INDEX i-5
Engine (cont.)Coolant Heater . . . . . . . . . . . . . . . 9-21
Coolant Temperature
Gauge . . . . . . . . . . . . . . . . . . . . . . 5-16
Coolant Temperature Warning Light . . . . . . . . . . . . . . . 5-25
Cooling System . . . . . . . . . . . . . 10-19
Cooling System Messages . . . 5-35
Cover . . . . . . . . . . . . . . . . . . . . . . . 10-10
Drive Belt Routing . . . . . . . . . . . . 12-4
Exhaust . . . . . . . . . . . . . . . . . . . . . . 9-24
Oil Pressure Gauge . . . . . . . . . . 5-15
Overheated Protection Operating Mode . . . . . . . . . . . 10-25
Overheating . . . . . . . . . . . . . . . . 10-24
Power Messages . . . . . . . . . . . . . 5-36
Pressure Light . . . . . . . . . . . . . . . . 5-26
Running While Parked . . . . . . . . 9-25
Speed Limiter . . . . . . . . . . . . . . . . . 5-15
Starting . . . . . . . . . . . . . . . . . . 1-4, 9-19
Engine Oil Life System . . . . . . . . . . . . . . . . . 10-14
Messages . . . . . . . . . . . . . . . . . . . . 5-35 Entry Lighting . . . . . . . . . . . . . . . . . . . 6-6
Equipment, Towing . . . . . . . . . . . . 9-57
Event Data Recorders . . . . . . . . 13-17
Extender, Safety Belt . . . . . . . . . . 3-28
Exterior Lamp Controls . . . . . . . . . 6-1
Exterior Lamps Off Reminder . . . 6-2
Exterior Lighting Battery
Saver . . . . . . . . . . . . . . . . . . . . . . . . . 6-7
F
FeaturesMemory . . . . . . . . . . . . . . . . . . . . . . . . 1-8
Filter
Engine Air Cleaner . . . . . . . . . 10-16
Flash-to-Pass . . . . . . . . . . . . . . . . . . . 6-2
Flashers, Hazard Warning . . . . . . 6-4
Flat Tire . . . . . . . . . . . . . . . . . . . . . . 10-90
Flat Tire, Changing . . . . . . . . . .10-102
Floor Mats . . . . . . . . . . . . . . . . . . .10-127
Fluid Automatic Transmission . . . . 10-15
Brakes . . . . . . . . . . . . . . . . . . . . . . 10-28
Power Steering . . . . . . . . . . . . . 10-26
Washer . . . . . . . . . . . . . . . . . . . . . 10-26 Fog Lamps
Bulb Replacement . . . . . . 10-38, 6-5
Light . . . . . . . . . . . . . . . . . . . . . . . . . . 5-27
Folding Mirrors . . . . . . . . . . . . . . . . 2-27
Front Seats Adjustment . . . . . . . . . . . . . . . . . . . . 3-3
Heated . . . . . . . . . . . . . . . . . . . . . . . 3-11
Heated and Ventilated . . . . . . . . 3-12
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-47 Additives . . . . . . . . . . . . . . . . . . . . . 9-49
Filling a Portable FuelContainer . . . . . . . . . . . . . . . . . . . 9-51
Filling the Tank . . . . . . . . . . . . . . . 9-50
Fuels in Foreign Countries . . . . 9-48
Gasoline Specifications . . . . . . . 9-48
Gauge . . . . . . . . . . . . . . . . . . . . . . . . 5-13
Recommended . . . . . . . . . . . . . . . 9-47
Requirements, California . . . . . 9-48
System Messages . . . . . . . . . . . . 5-36
Fuel Economy Driving for Better . . . . . . . . . . . . . 1-23
Page 488 of 496
Black plate (6,1)Cadillac CTS/CTS-V Owner Manual - 2011
i-6 INDEX
FusesEngine
Compartment
Fuse Block . . . . 10-42, 10-46, 10-50, 10-54
Fuses and Circuit
Breakers . . . . . . . . . . . . . . . . . . 10-42
Rear Compartment
Fuse Block . . . . 10-58, 10-60, 10-62, 10-64
G
Garage Door Opener . . . . . . . . . . 5-53
Programming . . . . . . . . . . . . . . . . . 5-53
Gasoline Specifications . . . . . . . . . . . . . . . . . 9-48
Gauges Boost . . . . . . . . . . . . . . . . . . . . . . . . . 5-14
Engine CoolantTemperature . . . . . . . . . . . . . . . . 5-16
Engine Oil Pressure . . . . . . . . . . 5-15
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . 5-13 Gauges (cont.)
Odometer . . . . . . . . . . . . . . . . . . . . . 5-13
Speedometer . . . . . . . . . . . . . . . . . 5-13
Tachometer . . . . . . . . . . . . . . . . . . . 5-13
Trip Odometer . . . . . . . . . . . . . . . . 5-13
Warning Lights and
Indicators . . . . . . . . . . . . . . . . . . . 5-10
General Information Service and Maintenance . . . . . 11-1
Towing . . . . . . . . . . . . . . . . . . . . . . . . 9-52
Vehicle Care . . . . . . . . . . . . . . . . . . 10-3
Glove Box . . . . . . . . . . . . . . . . . . . . . . 4-1
GM Mobility Reimbursement Program . . . . . . . . . . . . . . . . . . . . . . 13-7
H
Halogen Bulbs . . . . . . . . . . . . . . . . 10-38
Hard Drive Device (HDD) . . . . . . 7-29
Hazard Warning Flashers . . . . . . . 6-4
Head Restraints . . . . . . . . . . . . . . . . 3-2
Active . . . . . . . . . . . . . . . . . . . . . . . . . 3-3 Headlamps
Adaptive Forward
Lighting (AFL) . . . . . . . . . . . . . . . . 6-4
Aiming . . . . . . . . . . . . . . . . . . . . . . 10-35
Automatic . . . . . . . . . . . . . . . . . . . . . . 6-3
Bulb Replacement . . . . . . . . . . 10-38
Daytime Running Lamps (DRL) . . . . . . . . . . . . . . . . . 6-3
Flash-to-Pass . . . . . . . . . . . . . . . . . . 6-2
High Intensity Discharge (HID) Lighting . . . . . . . . . . . . . 10-38
High-Beam On Light . . . . . . . . . . 5-26
High/Low Beam Changer . . . . . . 6-2
Lamps On Reminder . . . . . . . . . 5-27
Washer . . . . . . . . . . . . . . . . . . . . . . . . 5-7
Heated
Steering Wheel . . . . . . . . . . . . . . . . 5-4
Heated and Ventilated Front Seats . . . . . . . . . . . . . . . . . . . . . . . . 3-12
Heated Front Seats . . . . . . . . . . . . 3-11
Heated Mirrors . . . . . . . . . . . . . . . . . 2-27
Page 490 of 496
Black plate (8,1)Cadillac CTS/CTS-V Owner Manual - 2011
i-8 INDEX
Lights (cont.)Engine Coolant
Temperature Warning . . . . . . . 5-25
Engine Oil Pressure . . . . . . . . . . 5-26
Flash-to-Pass . . . . . . . . . . . . . . . . . . 6-2
Fog Lamps . . . . . . . . . . . . . . . . . . . 5-27
High-Beam On . . . . . . . . . . . . . . . . 5-26
High/Low Beam Changer . . . . . . 6-2
Safety Belt Reminders . . . . . . . . 5-17
Security . . . . . . . . . . . . . . . . . . . . . . 5-26
Tire Pressure . . . . . . . . . . . . . . . . . 5-25
Traction Control System
(TCS)/StabiliTrak
®. . . . . . . . . . 5-24
Up-Shift . . . . . . . . . . . . . . . . . . . . . . 5-24
Limited-Slip Rear Axle . . . . . . . . . 9-40
Locks Automatic Door . . . . . . . . . . . . . . . 2-15
Central Door UnlockingSystem . . . . . . . . . . . . . . . . . . . . . . 2-15
Delayed Locking . . . . . . . . . . . . . . 2-15 Locks (cont.)
Door . . . . . . . . . . . . . . . . . . . . . . . . . . 2-14
Lockout Protection . . . . . . . . . . . . 2-16
Power Door . . . . . . . . . . . . . . . . . . . 2-15
Safety . . . . . . . . . . . . . . . . . . . . . . . . 2-16
Loss of Control . . . . . . . . . . . . . . . . . 9-6
Low-Profile Tires . . . . . . . . . . . . . . 10-67
Lower Anchors and Tethers for Children (LATCH
SYSTEM) . . . . . . . . . . . . . . . . . . . . 3-53
Lumbar Adjustment . . . . . . . . . . . . . 3-7 Front Seats . . . . . . . . . . . . . . . . . . . . 3-7
M
Magnetic Ride Control . . . . . . . . . 9-39
MaintenanceRecords . . . . . . . . . . . . . . . . . . . . . 11-11
Maintenance Schedule Recommended Fluids andLubricants . . . . . . . . . . . . . . . . . . . 11-7
Scheduled Maintenance . . . . . . 11-3 Malfunction Indicator Lamp . . . . 5-19
Manual Mode . . . . . . . . . . . . . . . . . . 9-28
Manual Transmission . . . . . . . . . . 9-30
Fluid . . . . . . . . . . . . . . . . . . . . . . . . 10-15
Memory Features . . . . . . . . . . . . . . . 1-8
Messages Airbag System . . . . . . . . . . . . . . . . 5-42
Anti-Theft Alarm System . . . . . . 5-42
Battery Voltage and
Charging . . . . . . . . . . . . . . . . . . . . 5-31
Brake System . . . . . . . . . . . . . . . . 5-32
Compass . . . . . . . . . . . . . . . . . . . . . 5-34
Door Ajar . . . . . . . . . . . . . . . . . . . . . 5-34
Engine Cooling System . . . . . . . 5-35
Engine Oil . . . . . . . . . . . . . . . . . . . . 5-35
Engine Power . . . . . . . . . . . . . . . . 5-36
Fuel System . . . . . . . . . . . . . . . . . . 5-36
Key and Lock . . . . . . . . . . . . . . . . . 5-36
Lamp . . . . . . . . . . . . . . . . . . . . . . . . . 5-39
Object Detection System . . . . . 5-39