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Cadillac XTS Owner Manual (GMNA-Localizing-MidEast-9369806) - 2016 -
crc - 6/24/15
228 Vehicle Care
Jump Starting
Jump Starting . . . . . . . . . . . . . . . . 281
Towing the Vehicle
Towing the Vehicle . . . . . . . . . . . 284
Recreational VehicleTowing . . . . . . . . . . . . . . . . . . . . . . 284
Appearance Care
Exterior Care . . . . . . . . . . . . . . . . . 287
Interior Care . . . . . . . . . . . . . . . . . . 291
Floor Mats . . . . . . . . . . . . . . . . . . . . 294
General Information
For service and parts needs, visit
your dealer. You will receive
genuine parts and trained and
supported service people.
Accessories and
Modifications
Adding non-dealer accessories or
making modifications to the vehicle
can affect vehicle performance and
safety, including such things as
airbags, braking, stability, ride and
handling, emissions systems,
aerodynamics, durability, and
electronic systems like antilock
brakes, traction control, and stability
control. These accessories or
modifications could even cause
malfunction or damage not covered
by the vehicle warranty.
Damage to vehicle components
resulting from modifications or the
installation or use of non-GM
certified parts, including control
module or software modifications, is
not covered under the terms of the vehicle warranty and may affect
remaining warranty coverage for
affected parts.
GM Accessories are designed to
complement and function with other
systems on the vehicle. See your
dealer to accessorize the vehicle
using genuine GM Accessories
installed by a dealer technician.
Also, see
Adding Equipment to the
Airbag-Equipped Vehicle 078.

Cadillac XTS Owner Manual (GMNA-Localizing-MidEast-9369806) - 2016 -
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Vehicle Care 231
1.Engine Air Cleaner/Filter 0237.
2. Power Steering Fluid Reservoir (Under Engine Cover). See
Power Steering Fluid (LFX with
FWD) 0244 orPower Steering
Fluid (LF3 and LFX with AWD)
0 244.
3. Engine Oil Fill Cap. See Engine Oil 0234.
4. Engine Oil Dipstick (Out of View). See Engine Oil0234.
5. Engine Cover 0233.
6. Engine Cooling Fans (Out of View). See Cooling System
0 239.
7. Brake Fluid Reservoir. See Brakes 0246.
8. Engine Coolant Surge Tank and Pressure Cap. See Engine
Coolant 0240.
9. Battery 0248 (Battery Cover
not Shown).
10. Remote Positive (+) Terminal (Battery Cover not Shown).
SeeJump Starting 0281. 11.
Engine Compartment Fuse
Block 0254.
12. Remote Negative (−) Terminal (Out of View). See Jump
Starting 0281.
13. Windshield Washer Fluid Reservoir. See Washer Fluid
0 245.

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Vehicle Care 233
1.Engine Air Cleaner/Filter 0237.
2. Power Steering Fluid Reservoir (Under Engine Cover). See
Power Steering Fluid (LFX with
FWD) 0244 orPower Steering
Fluid (LF3 and LFX with AWD)
0 244.
3. Engine Oil Fill Cap. See Engine Oil 0234.
4. Engine Oil Dipstick. See Engine Oil 0234.
5. Engine Cover 0233.
6. Engine Cooling Fans (Out of View). See Cooling System
0 239.
7. Charged Air Coolant Reservoir and Pressure Cap. See Engine
Coolant 0240.
8. Brake Fluid Reservoir. See Brakes 0246.
9. Engine Coolant Surge Tank and Pressure Cap. See Engine
Coolant 0240.
10. Battery 0248 (Battery Cover
not Shown). 11. Remote Positive (+) Terminal
(Battery Cover not Shown).
SeeJump Starting 0281.
12. Engine Compartment Fuse
Block 0254.
13. Windshield Washer Fluid Reservoir. See Washer Fluid
0 245.
14. Remote Negative (−) Terminal (Out of View). See Jump
Starting 0281.
Engine Cover
3.6L V6 Engine
1. Engine Oil Fill Cap 2. Engine Cover Bolt
3. Engine Cover
3.6L V6 Engine Twin Turbo
1. Engine Oil Fill Cap
2. Engine Cover Bolt
3. Engine Cover
To remove:
1. Remove the oil fill cap (1).
2. Remove the engine cover bolt (2).
3. Raise the engine cover (3) to release it from the retainers.
4. Lift and remove the engine cover.

Cadillac XTS Owner Manual (GMNA-Localizing-MidEast-9369806) - 2016 -
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242 Vehicle Care
{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.
The coolant surge tank pressure
cap can be removed when the
cooling system, including the surge
tank pressure cap and upper
radiator hose, is no longer hot.1. Turn the pressure cap slowly counterclockwise. If a hiss is
heard, wait for that to stop.
A hiss means there is still
some pressure left. 2. Keep turning the pressure cap
slowly and remove it.
3. Fill the coolant surge tank with the proper mixture to the mark
pointed to on the front of the
coolant surge tank.
4. With the coolant surge tank pressure cap off, start the
engine and let it run until you
can feel the upper radiator
hose getting hot. Watch out for
the engine cooling fans. By this
time, the coolant level inside
the coolant surge tank may be
lower. If the level is lower, add
more of the proper mixture to
the coolant surge tank until the
level reaches the mark pointed
to on the front of the coolant
surge tank.
5. Replace the pressure cap tightly.
How to Add Coolant to the
CAC Bottle
{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.
Caution
This vehicle has a specific
coolant fill procedure. Failure to
follow this procedure could cause
the engine to overheat and be
severely damaged.

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Vehicle Care 243
The CAC bottle pressure cap can
be removed when the Charged Air
Coolant cooling system, including
the CAC bottle pressure cap, is no
longer hot.1. Turn the pressure cap slowly counterclockwise and
remove it.
2. Fill the CAC bottle with the proper mixture to the COLD
FILL mark pointed to on the
front of the CAC bottle.
3. Replace the pressure cap tightly.
Engine Overheating
The vehicle has an engine coolant
temperature gauge and an engine
temperature light to warn of engine
overheating.
There are also engine hot
messages that may be displayed in
the Driver Information Center (DIC).
See Engine Cooling System
Messages 0137. If the decision is made not to lift the
hood when one of these warnings
appears, but get service help
right away.
If the decision is made to lift the
hood, make sure the vehicle is
parked on a level surface.
Then check to see if the engine
cooling fans are running. If the
engine is overheating, the fans
should be running. If they are not,
do not continue to run the engine
and 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.
See
Overheated Engine
Protection Operating Mode 0244
for information on driving to a
safe place in an emergency.
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 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 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

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Vehicle Care 245
The power steering fluid reservoir is
under the engine cover on the
passenger side toward the rear of
the engine compartment. See
Engine Compartment Overview
0230.
When to Check Power Steering
Fluid
It is not necessary to regularly
check power steering fluid unless
you suspect there is a leak in the
system or an unusual noise is
heard. A fluid loss in this system
could indicate a problem. Have the
system inspected and repaired.
How to Check Power Steering
Fluid
Check the level when the engine
is cool.
To check the power steering fluid:
1. Remove the engine cover. Refer to Engine Cover 0233.
2. Wipe the cap and the top of the reservoir clean.
3. Turn the cap counterclockwise and pull it straight up. 4. Wipe the dipstick with a
clean rag.
5. Replace the cap and completely tighten it.
6. Remove the cap again and look at the fluid level on the
dipstick.
The fluid level should be
between MIN and MAX on the
dipstick.
What to Use
To determine what kind of fluid to
use, see Recommended Fluids and
Lubricants 0301. Always use the
proper fluid.
Washer Fluid
What to Use
When adding windshield washer
fluid to the vehicle, be sure to read
the manufacturer instructions before
use. If you will be operating your
vehicle in an area where the
temperature may fall below freezing,
use a fluid that has sufficient
protection against freezing.
Adding Washer Fluid
The appropriate message will
appear on the Driver Information
Center (DIC) when the fluid level is
low. See Washer Fluid Messages
0 144.
Open the cap with the washer
symbol on it. Add washer fluid until
the tank is full. See Engine
Compartment Overview 0230 for
reservoir location.

Cadillac XTS Owner Manual (GMNA-Localizing-MidEast-9369806) - 2016 -
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Vehicle Care 249
All-Wheel Drive
Transfer Case
Under normal driving conditions,
transfer case fluid does not require
maintenance unless there is a fluid
leak or unusual noise. If required,
have the transfer case serviced by
your dealer.
Starter Switch Check
{Warning
When you are doing this
inspection, the vehicle could
move suddenly. If the vehicle
moves, you or others could be
injured.
1. Before starting this check, be sure there is enough room
around the vehicle.
2. Firmly apply both the parking brake and the regular brake.
See Electric Parking Brake
0 190. Do not use the accelerator
pedal, and be ready to turn off
the engine immediately if it
starts.
3. Try to start the engine in each gear. The vehicle should start
only in P (Park) or N (Neutral).
If the vehicle starts in any other
position, contact your dealer for
service.
Automatic Transmission
Shift Lock Control
Function Check
{Warning
When you are doing this
inspection, the vehicle could
move suddenly. If the vehicle
moves, you or others could be
injured.
1. Before starting this check, be sure there is enough room
around the vehicle. It should be
parked on a level surface. 2. Firmly apply the parking brake.
See Electric Parking Brake
0 190.
Be ready to apply the regular
brake immediately if the vehicle
begins to move.
3. With the engine off, turn the ignition on, but do not start the
engine. Without applying the
regular brake, try to move the
shift lever out of P (Park) with
normal effort. If the shift lever
moves out of P (Park), contact
your dealer for service.
Park Brake and P (Park)
Mechanism Check
{Warning
When you are doing this check,
the vehicle could begin to move.
You or others could be injured
and property could be damaged.
Make sure there is room in front
of the vehicle in case it begins to
(Continued)

Cadillac XTS Owner Manual (GMNA-Localizing-MidEast-9369806) - 2016 -
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252 Vehicle Care
LED Lighting
This vehicle has several LED lamps.
For replacement of any LED lighting
assembly, contact your dealer.
Back-Up Lamps
1. Back-Up Bulb Socket
2. Back-Up Lamp Assembly
To replace one of these bulbs:1. Reach under the rear fascia and locate the back-up lamp
assembly. 2. Remove the bulb socket (1) by
turning counterclockwise and
pulling straight out of the lamp
assembly (2).
3. Pull the bulb out of the socket.
4. Install the new bulb in the bulb socket.
5. Install the bulb socket by turning clockwise.
License Plate Lamp
Lamp Assembly
Bulb Assembly
1. Bulb Socket
2. Bulb
3. Lamp Assembly
To replace one of these bulbs:
1. Push the lamp assembly (3) toward the right.
2. Pull the lamp assembly down to remove.
3. Turn the bulb socket (1) counterclockwise to remove it
from the lamp assembly (3).
4. Pull the bulb (2) straight out of the bulb socket (1).

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Vehicle Care 253
5. Push the replacement bulbstraight into the bulb socket
and turn the bulb socket
clockwise to install it into the
lamp assembly.
6. Push the lamp assembly back into position until the release
tab locks into place.
Replacement Bulbs
Exterior Lamp Bulb
Number
Back-Up Lamp 921
(W16W)
License Plate Lamp W5W LL
For replacement bulbs not listed
here, contact your dealer.
Electrical System
Electrical System
Overload
The vehicle has fuses and circuit
breakers to protect against an
electrical system overload.
When the current electrical load is
too heavy, the circuit breaker opens
and closes, protecting the circuit
until the current load returns to
normal or the problem is fixed. This
greatly reduces the chance of circuit
overload and fire caused by
electrical problems.
Fuses and circuit breakers protect
power devices in the vehicle.
Replace a bad fuse with a new one
of the identical size and rating.
If there is a problem on the road and
a fuse needs to be replaced, the
same amperage fuse can be
borrowed. Choose some feature of
the vehicle that is not needed to use
and replace it as soon as possible.
Headlamp Wiring
An electrical overload may cause
the lamps to go on and off, or in
some cases to remain off. Have the
headlamp wiring checked right away
if the lamps go on and off or
remain off.
Windshield Wipers
If the wiper motor overheats due to
heavy snow or ice, the windshield
wipers will stop until the motor cools
and will then restart.
Although the circuit is protected
from electrical overload, overload
due to heavy snow or ice may
cause wiper linkage damage.
Always clear ice and heavy snow
from the windshield before using the
windshield wipers.
If the overload is caused by an
electrical problem and not snow or
ice, be sure to get it fixed.

Cadillac XTS Owner Manual (GMNA-Localizing-MidEast-9369806) - 2016 -
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254 Vehicle Care
Fuses and Circuit
Breakers
The wiring circuits in the vehicle are
protected from short circuits by a
combination of fuses and circuit
breakers. This greatly reduces the
chance of damage caused by
electrical problems.
To check a fuse, look at the
silver-colored band inside the fuse.
If the band is broken or melted,
replace the fuse. Be sure to replace
a bad fuse with a new one of the
identical size and rating.
Fuses of the same amperage can
be temporarily borrowed from
another fuse location, if a fuse goes
out. Replace the fuse as soon as
possible.
To identify and check fuses, circuit
breakers, and relays, seeEngine
Compartment Fuse Block 0254,
Instrument Panel Fuse Block 0257,
and Rear Compartment Fuse Block
0 259.
Engine Compartment
Fuse Block
To remove the fuse block cover,
squeeze the three retaining clips on
the cover and lift it straight up.
Caution
Spilling liquid on any electrical
component on the vehicle may
damage it. Always keep the
covers on any electrical
component.