check oil CADILLAC CTS 2016 3.G User Guide

Cadillac CTS/CTS-V Owner Manual (GMNA-Localizing-MidEast-9369309) -
2016 - crc - 7/30/15
260 Vehicle Care
When to Add Engine Oil
2.0L LTG L4 Engine
3.6L LF3 V6 Twin Turbo
3.6L LGX V6 Engine Shown, 6.2LLT4 V8 Engine Similar
If the oil is below the cross-hatched
area at the tip of the dipstick, add
1 L (1 qt) of the recommended oil
and then recheck the level. See “Selecting the Right Engine Oil”
in
this section for an explanation of
what kind of oil to use. For engine
oil crankcase capacity, see
Capacities and Specifications 0338.
Caution
Do not add too much oil. Oil
levels above or below the
acceptable operating range
shown on the dipstick are harmful
to the engine. If you find that you
have an oil level above the
operating range, i.e., the engine
has so much oil that the oil level
gets above the cross-hatched
area that shows the proper
operating range, the engine could
be damaged. You should drain
out the excess oil or limit driving
of the vehicle and seek a service
professional to remove the
excess amount of oil.
See Engine Compartment Overview
0 252 for the location of the engine
oil fill cap. Add enough oil to put the level
somewhere in the proper operating
range. Push the dipstick all the way
back in when through.
Selecting the Right Engine Oil
Selecting the right engine oil
depends on both the proper oil
specification and viscosity grade.
See
Recommended Fluids and
Lubricants 0333.
Specification
Ask for and use engine oils that
meet the dexos1™ specification.
Engine oils that have been
approved by GM as meeting the
dexos1 specification are marked
with the dexos1 approved logo.

Cadillac CTS/CTS-V Owner Manual (GMNA-Localizing-MidEast-9369309) -
2016 - crc - 7/30/15
262 Vehicle Care
system might indicate that an oil
change is not necessary for up to a
year. The engine oil and filter must
be changed at least once a year
and at this time the system must be
reset. Your dealer has trained
service people who will perform this
work and reset the system. It is also
important to check the oil regularly
over the course of an oil drain
interval and keep it at the proper
level.
If the system is ever reset
accidentally, the oil must be
changed at 5 000 km (3,000 mi)
since the last oil change.
Remember to reset the oil life
system whenever the oil is changed.
How to Reset the Engine Oil
Life System
Reset the system whenever the
engine oil is changed so that the
system can calculate the next
engine oil change. To reset the
system:1. Using the DIC buttons, display
REMAINING OIL LIFE on the
DIC. See Driver Information
Center (DIC) 0129 andEngine
Oil Messages 0138.
2. Press and hold SEL to clear the CHANGE ENGINE OIL
SOON message and reset the
oil life at 100%.
Be careful not to reset the oil
life display accidentally at any
time other than after the oil is
changed. It cannot be reset
accurately until the next oil
change.
The oil life system can also be reset
as follows: 1. Turn the ignition on with the engine off.
2. Fully press and release the accelerator pedal three times
within five seconds.
If the CHANGE ENGINE OIL
SOON message is not on, the
system is reset.
The system is reset when the
CHANGE ENGINE OIL SOON
message is off. If the CHANGE ENGINE OIL SOON
message comes back on when the
vehicle is started, the engine oil life
system has not been reset. Repeat
the procedure.
Automatic Transmission
Fluid
How to Check Automatic
Transmission Fluid
It is not necessary to check the
transmission fluid level.
A transmission fluid leak is the only
reason for fluid loss. If a leak
occurs, take the vehicle to your
dealer and have it repaired as soon
as possible.
The vehicle is not equipped with a
transmission fluid level dipstick.
There is a special procedure for
checking and changing the
transmission fluid. Because this
procedure is difficult, this should be
done at the dealer. Contact your
dealer for additional information.

Cadillac CTS/CTS-V Owner Manual (GMNA-Localizing-MidEast-9369309) -
2016 - crc - 7/30/15
266 Vehicle Care
6.2L V8 LT4 Engine
1. Engine Coolant Surge Tankand Pressure Cap
2. Engine Cooling Fan (Out of View)
{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.
Caution
Using coolant other than
DEX-COOL®can cause
premature engine, heater core,
or radiator corrosion. In addition,
the engine coolant could require
changing sooner. 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 is
filled with DEX-COOL engine
coolant. See Maintenance Schedule
0 329 andRecommended Fluids
and Lubricants 0333.
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 0269.
What to Use
{Warning
Adding only plain water or some
other liquid to the cooling system
can be dangerous. Plain water
and other liquids, can boil before
the proper coolant mixture will.
The 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
(Continued)

Cadillac CTS/CTS-V Owner Manual (GMNA-Localizing-MidEast-9369309) -
2016 - crc - 7/30/15
Vehicle Care 267
Warning (Continued)
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. 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.
Caution
If improper coolant mixture,
inhibitors, or additives are used in
the vehicle cooling system, the
engine could overheat and be
damaged. Too much water in the
mixture can freeze and crack
engine cooling parts. The repairs
would not be covered by the
vehicle warranty. Use only the
proper mixture of engine coolant
for the cooling system. See
Recommended Fluids and
Lubricants 0333.
Never dispose of engine coolant by
putting it in the trash, pouring it on
the ground, or into sewers, streams,
or bodies of water. Have the coolant
changed by an authorized service
center, familiar with legal
requirements regarding used
coolant disposal. This will help
protect the environment and your
health.
Checking Coolant
The vehicle must be on a level
surface when checking the coolant
level.
It is normal to see coolant moving in
the upper coolant hose return line
when the engine is running. It is
also normal to see bubbles entering
the surge tank through the
small hose.
Check to see if coolant is visible in
the coolant surge tank. If the coolant
inside the coolant 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 COLD
FILL line, add a 50/50 mixture of
clean drinkable water and
DEX-COOL coolant.
Be sure the cooling system is cool
before this is done.
It is normal for the coolant level in
the bottom chamber to rise and fall
with operating temperature and
ambient conditions. Coolant will
evaporate from the bottom chamber
in normal operation. This will

Cadillac CTS/CTS-V Owner Manual (GMNA-Localizing-MidEast-9369309) -
2016 - crc - 7/30/15
268 Vehicle Care
happen faster when the vehicle is
driven for long periods in hot, dry
conditions.
If no coolant is visible in the coolant
surge tank, add coolant as follows:
How to Add Coolant to the
Coolant Surge TankCaution
This vehicle has a specific
coolant fill procedure. Failure to
follow this procedure could cause
the engine to overheat and be
severely damaged.
If no problem is found, check to see
if coolant is visible in the coolant
surge tank. If coolant is visible but
the coolant level is not at the bottom
of the fill neck, add a 50/50 mixture
of clean, drinkable water and
DEX-COOL coolant at the coolant
surge tank, but be sure the cooling
system, including the coolant surge
tank pressure cap, is cool before
you do it.
{Warning
Steam and scalding liquids from a
hot cooling system can blow out
and burn you badly. Never turn
the cap when the cooling system,
including the surge tank pressure
cap, is hot. Wait for the cooling
system and surge tank pressure
cap to cool.
{Warning
Adding only plain water or some
other liquid to the cooling system
can be dangerous. Plain water
and other liquids, can boil before
the proper coolant mixture will.
The 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 (Continued)
Warning (Continued)
could be burned. Use a
50/50 mixture of clean, drinkable
water and DEX-COOL coolant.
Caution
In cold weather, water can freeze
and crack the engine, radiator,
heater core, and other parts. Use
the recommended coolant and
the proper coolant mixture.
{Warning
You can be burned if you spill
coolant on hot engine parts.
Coolant contains ethylene glycol
and it will burn if the engine parts
are hot enough. Do not spill
coolant on a hot engine.
1. Remove the coolant surge tank pressure cap from the top
chamber when the cooling
system, including the coolant

Cadillac CTS/CTS-V Owner Manual (GMNA-Localizing-MidEast-9369309) -
2016 - crc - 7/30/15
Service and Maintenance 329
At your dealer, you can be certain
that you will receive the highest
level of service available. Your
dealer has specially trained service
technicians, uses genuine
replacement parts, as well as,
up-to-date tools and equipment to
ensure fast and accurate
diagnostics.
The proper replacement parts,
fluids, and lubricants to use are
listed inRecommended Fluids and
Lubricants 0333 andMaintenance
Replacement Parts 0334. We
recommend the use of genuine
parts from your dealer.
Rotation of New Tires
Tire rotation is not recommended if
the vehicle has different size tires
on the front and rear wheels. If tire
rotation is recommended for the
vehicle, to maintain ride, handling,
and performance of the vehicle, it is
important that the first rotation
service for new tires be performed.
Tires should be rotated every
service. See Tire Rotation 0299.Maintenance
Schedule
When the Change Engine Oil
Soon Message Displays
Change engine oil and filter. See
Engine Oil 0259. An Emission
Control Service.
When the CHANGE ENGINE OIL
SOON message displays, service is
required for the vehicle as soon as
possible, within the next 1 000 km/
600 miles. If driving under the best
conditions, the engine oil life system
may not indicate the need for
vehicle service for up to one year.
The engine oil and filter must be
changed at least once a year and
the oil life system must be reset.
Your dealer has trained service
technicians who will perform this
work and reset the system. If the
engine oil life system is reset
accidentally, service the vehicle
within 5 000 km/3,000 miles since
the last service. Reset the oil life
system whenever the oil is changed.
See Engine Oil Life System 0261.
Every Engine Oil Change
.
Change engine oil and filter.
Reset oil life system. See
Engine Oil 0259 and Engine Oil
Life System 0261.. An Emission
Control Service.
. Engine coolant level check. See
Engine Coolant 0266.
. Engine cooling system
inspection. Visual inspection of
hoses, pipes, fittings, and
clamps and replacement,
if needed.
. Windshield washer fluid level
check. See Washer Fluid 0271.
. Windshield wiper blade
inspection for wear, cracking,
or contamination and windshield
and wiper blade cleaning,
if contaminated. See Exterior
Care 0318. Worn or damaged
wiper blade replacement. See
Wiper Blade Replacement
0 277.
. Tire inflation pressures check.
See Tire Pressure 0292.

Cadillac CTS/CTS-V Owner Manual (GMNA-Localizing-MidEast-9369309) -
2016 - crc - 7/30/15
330 Service and Maintenance
.Tire wear inspection. See Tire
Inspection 0298.
. Rotate tires if necessary. See
Tire Rotation 0299.
. Fluids visual leak check (or
every 12 months, whichever
occurs first). A leak in any
system must be repaired and the
fluid level checked.
. Engine air cleaner filter
inspection. See Engine Air
Cleaner/Filter 0263.
. Brake system inspection (or
every 12 months, whichever
occurs first). See Exterior Care
0 318.
. Steering and suspension
inspection. Visual inspection for
damaged, loose, or missing
parts or signs of wear.
. Body hinges and latches, key
lock cylinders, folding seat
hardware, and sunroof (if
equipped) lubrication. See
Recommended Fluids and
Lubricants 0333. More frequent
lubrication may be required
when the vehicle is exposed to a corrosive environment. Applying
silicone grease on weatherstrips
with a clean cloth makes them
last longer, seal better, and not
stick or squeak.
. Restraint system component
check. See Safety System
Check 070.
. Fuel system inspection for
damage or leaks.
. Exhaust system and nearby heat
shields inspection for loose or
damaged components.
Additional Required Services
Every Service
.Rotate tires. Tires should be
rotated every service. See Tire
Rotation 0299.
At Each Fuel Stop
. Engine oil level check. See
Engine Oil 0259.
. Engine coolant level check. See
Engine Coolant 0266.
. Windshield washer fluid level
check. See Washer Fluid 0271. Once a Month
.
Tire inflation check. See Tire
Pressure 0292.
. Tire wear inspection. See Tire
Inspection 0298.
. Sunroof track and seal
inspection, if equipped. See
Sunroof 049.
Once a Year
. See Automatic Transmission
Shift Lock Control Function
Check 0276.
. See Park Brake and P (Park)
Mechanism Check 0276.
. Accelerator pedal check for
damage, high effort, or binding.
Replace if needed.
. Underbody flushing service. See
Exterior Care 0318.
. Hood/Decklid/Liftgate/Liftglass
Support Gas Strut Service:
Visually inspect gas strut,
if equipped, for signs of wear,
cracks, or other damage. Check
the hold open ability of the gas
strut. Contact your dealer if
service is required.

Cadillac CTS/CTS-V Owner Manual (GMNA-Localizing-MidEast-9369309) -
2016 - crc - 7/30/15
Service and Maintenance 331
.Engine air cleaner filter
replacement or every 20 000 km/
12,500 Miles. If driving in dusty
conditions, inspect the filter at
each oil change or more often as
needed. See Engine Air Cleaner/
Filter 0263.
Every 40 000 km/25,000 Miles
. Passenger compartment air filter
replacement (or every
24 months, whichever occurs
first). More frequent replacement
may be needed if the vehicle is
driven in areas with heavy traffic,
poor air quality, areas with high
dust levels or are sensitive to
environmental allergens. Cabin
Air Filter replacement may also
be needed if you notice reduced
airflow, windows fogging up,
or odors. Your local GM Service
location can help you determine
when it is the right time to
replace your filter.
Every 72 000 km/45,000 Miles
. Replace brake fluid (or every
three years, whichever occurs
first). .
Rear axle fluid (If equipped with
limited slip).
Every 80 000 km/50,000 Miles
. Evaporative control system
inspection. Check all fuel and
vapor lines and hoses for proper
hook-up, routing, and condition.
Every 96 000 km/60,000 Miles
. Replace spark plugs. Inspect
spark plug wires. (2.0L LTG and
3.6L LF3 Turbo Engines)
Every 156 000 km/97,500 Miles
. Replace spark plugs. Inspect
spark plug wires. (3.6L LGX and
6.2L LT4 Engines)
Every 240 000 km/150,000 Miles
. Engine cooling system drain and
refill (or every five years,
whichever occurs first). See
Cooling System 0264. An
Emission Control Service.
. Engine drive belts inspection for
fraying, excessive cracks,
or obvious damage (or every
10 years, whichever occurs
first). Replace, if needed.Severe Conditions Requiring
More Frequent Maintenance*
.Public service, military,
or commercial use vehicles to
include the following:
‐Ambulances, police cars and
emergency rescue vehicles.
‐ Civilian vehicles such as light
duty pick-up trucks, SUVs and
passenger cars that are used
in military applications.
‐ Recovery vehicles such as
tow trucks and flatbed single
vehicle carriers or any vehicle
that is consistently used in
towing trailers or other loads.
‐ High use commercial vehicles
such as courier delivery
vehicles, private security patrol
vehicles or any vehicles that
operate on a 24 hour basis.
‐ Any vehicle consistently
operated in a high sand or
dust environment such as
those used on oil pipelines
and similar applications.

Cadillac CTS/CTS-V Owner Manual (GMNA-Localizing-MidEast-9369309) -
2016 - crc - 7/30/15
346 Index
Coolant (cont'd)Engine Temperature Gauge . . .117
Engine Temperature
Warning Light . . . . . . . . . . . . . . . 126
Cooling System . . . . . . . . . . . . . . . . . 264 Engine Messages . . . . . . . . . . . . 137
Cruise Control . . . . . . . . . . . . . . . . . . 214 Light . . . . . . . . . . . . . . . . . . . . . . . . . . 128
Messages . . . . . . . . . . . . . . . . . . . . 136
Cruise Control, Adaptive . . . . . . . . 217
Cupholders . . . . . . . . . . . . . . . . . . . . . 101
D
Danger, Warning, and Caution . . . . 2
Data Recorder Performance . . . . . . . . . . . . . . . . . . 163
Data Recorders, Event . . . . . . . . . 342
Daytime Running Lamps (DRL) . . . . . . . . . . . . . . . . . . 157
Defensive Driving . . . . . . . . . . . . . . . 180
Delayed Locking . . . . . . . . . . . . . . . . . 37
Differential, Limited-Slip . . . . . . . . 214
Distracted Driving . . . . . . . . . . . . . . . 179
Dome Lamps . . . . . . . . . . . . . . . . . . . 160
Door Ajar Light . . . . . . . . . . . . . . . . . . . . . 129
Ajar Messages . . . . . . . . . . . . . . . 137
Delayed Locking . . . . . . . . . . . . . . . . 37
Locks . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 Door (cont'd)
Power Locks . . . . . . . . . . . . . . . . . . . . 37
Rear Seat Pass-Through . . . . . . . 64
Drive Belt Routing, Engine . . . . . . 341
Drive Systems
All-Wheel Drive . . . . . . . . . . 203, 274
Driver Assistance Systems . . . . . 224
Driver Information Center (DIC) . . . . . . . . . . . . . . . . . . 129
Driver Mode Control . . . . . . . . . . . . 208
Driving Assistance Systems . . . . . . . . . . 231
Characteristics andTowing Tips . . . . . . . . . . . . . . . . . 243
Competitive . . . . . . . . . . . . . . . . . . . .211
Defensive . . . . . . . . . . . . . . . . . . . . . 180
For Better Fuel Economy . . . . . . . 26
Hill and Mountain Roads . . . . . . 187
If the Vehicle is Stuck . . . . . . . . . 189
Loss of Control . . . . . . . . . . . . . . . 182
Off-Road Recovery . . . . . . . . . . . 181
Track Events and Competitive . . . . . . . . . . . . . . . . . 182
Vehicle Load Limits . . . . . . . . . . . 189
Wet Roads . . . . . . . . . . . . . . . . . . . 186
Winter . . . . . . . . . . . . . . . . . . . . . . . . 187
Dual Automatic Climate Control System . . . . . . . . . . . . . . . . 169
E
Electric Parking Brake . . . . . . . . . . 204
Electrical Equipment,
Add-On . . . . . . . . . . . . . . . . . . . . . . . 248
Electrical System
Engine Compartment FuseBlock . . . . . . . . . . . . . . . . . . . . . . . . 281
Fuses and Circuit Breakers . . . 280
Instrument Panel Fuse Block . . . . . . . . . . . . . . . . . . . . . . . . 284
Overload . . . . . . . . . . . . . . . . . . . . . 280
Rear Compartment Fuse Block . . . . . . . . . . . . . . . . . . . . . . . . 287
Engine
Air Cleaner/Filter . . . . . . . . . . . . . 263
Check and Service EngineSoon Light . . . . . . . . . . . . . . . . . . 121
Compartment Overview . . . . . . . 252
Coolant . . . . . . . . . . . . . . . . . . . . . . . 266
Coolant Temperature Gauge . . . . . . . . . . . . . . . . . . . . . . .117
Coolant Temperature Warning Light . . . . . . . . . . . . . . . 126
Cooling System . . . . . . . . . . . . . . . 264
Cooling System Messages . . . 137
Drive Belt Routing . . . . . . . . . . . . 341
Exhaust . . . . . . . . . . . . . . . . . . . . . . 199
Oil Life System . . . . . . . . . . . . . . . 261

Cadillac CTS/CTS-V Owner Manual (GMNA-Localizing-MidEast-9369309) -
2016 - crc - 7/30/15
350 Index
N
Net, Convenience . . . . . . . . . . . . . . 102
New Vehicle Break-In . . . . . . . . . . . 193
O
Object Detection SystemMessages . . . . . . . . . . . . . . . . . . . . . 140
Odometer . . . . . . . . . . . . . . . . . . . . . . . 116 Trip . . . . . . . . . . . . . . . . . . . . . . . . . . . .116
Off-Road Recovery . . . . . . . . . . . . . . . . . . . . . 181
Oil Engine . . . . . . . . . . . . . . . . . . . . . . . . 259
Engine Oil Life System . . . . . . . 261
Messages . . . . . . . . . . . . . . . . . . . . 138
Pressure Light . . . . . . . . . . . . . . . . 127
Older Children, Restraints . . . . . . . 83
Outlets Power . . . . . . . . . . . . . . . . . . . . . . . . 107
Overheating, Engine . . . . . . . . . . . . 269
P
Park
Shifting Into . . . . . . . . . . . . . . . . . . . 197
Shifting Out of . . . . . . . . . . . . . . . . 198
Parking Brake and P (Park)Mechanism Check . . . . . . . . . . 276
Over Things That Burn . . . . . . . 199 Parking Brake
Light . . . . . . . . . . . . . . . . . . . . . . . . . . 123
Parking or Backing Assistance Systems . . . . . . . . . . 225
Passenger Airbag Status Indicator . . . . . . . . . . . . . . . . . . . . . . 119
Passenger Compartment Air
Filter . . . . . . . . . . . . . . . . . . . . . . . . . . 177
Passenger Sensing System . . . . . 77
Performance Data Recorder (PDR) . . . . . . . . . . . . . . . 163
Personalization Vehicle . . . . . . . . . . . . . . . . . . . . . . . 147
Power Door Locks . . . . . . . . . . . . . . . . . . . . . 37
Mirrors . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Outlets . . . . . . . . . . . . . . . . . . . . . . . 107
Protection, Battery . . . . . . . . . . . . 162
Retained Accessory (RAP) . . . 197
Seat Adjustment . . . . . . . . . . . . . . . . 54
Windows . . . . . . . . . . . . . . . . . . . . . . . 46
Pregnancy, Using Safety Belts . . . 69
Privacy Vehicle Data Recording . . . . . . . 342
R
Reading Lamps . . . . . . . . . . . . . . . . . 160
Rear Climate Control System . . . 174
Rear Seat Pass-Through Door . . . 64
Rear Seats . . . . . . . . . . . . . . . . . . . . . . 61Heated . . . . . . . . . . . . . . . . . . . . . . . . . 63
Rear Window Sunshade . . . . . . . . . 48
Rearview Mirrors Automatic Dimming . . . . . . . . . . . . . 45
Reclining Seatbacks . . . . . . . . . . . . . 57
Recommended Fluids and
Lubricants . . . . . . . . . . . . . . . . . . . . . 333
Records Maintenance . . . . . . . . . . . . . . . . . . 336
Recreational Vehicle Towing . . . . 316
Remote Keyless Entry (RKE) System . . . . . . . . . . . . . . . . . . . . . . . . . 29
Remote Vehicle Start . . . . . . . . . . . . 33
Replacement Bulbs . . . . . . . . . . . . . 279
Replacement Parts Airbags . . . . . . . . . . . . . . . . . . . . . . . . . 83
Maintenance . . . . . . . . . . . . . . . . . . 334
Replacing Airbag System . . . . . . . . 83
Replacing LATCH System Parts after a Crash . . . . . . . . . . . . . 95
Replacing Safety Belt System Parts after a Crash . . . . . . . . . . . . . 70