brake CADILLAC XTS 2016 1.G Repair Manual
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Cadillac XTS Owner Manual (GMNA-Localizing-MidEast-9369806) - 2016 -
crc - 6/24/15
Vehicle Care 227
Vehicle Care
General Information
General Information . . . . . . . . . . 228
Accessories andModifications . . . . . . . . . . . . . . . . 228
Vehicle Checks
Doing Your OwnService Work . . . . . . . . . . . . . . . 229
Hood . . . . . . . . . . . . . . . . . . . . . . . . . 229
Engine Compartment Overview . . . . . . . . . . . . . . . . . . . . 230
Engine Cover . . . . . . . . . . . . . . . . . 233
Engine Oil . . . . . . . . . . . . . . . . . . . . 234
Engine Oil Life System . . . . . . . 236
Automatic Transmission Fluid . . . . . . . . . . . . . . . . . . . . . . . . 237
Engine Air Cleaner/Filter . . . . . . 237
Cooling System . . . . . . . . . . . . . . 239
Engine Coolant . . . . . . . . . . . . . . . 240
Engine Overheating . . . . . . . . . . 243
Overheated Engine Protection Operating Mode . . . . . . . . . . . . . 244
Power Steering Fluid (LFX with FWD) . . . . . . . . . . . . . . . . . . 244
Power Steering Fluid (LF3 and LFX with AWD) . . . . . . . . . . . . . 244
Washer Fluid . . . . . . . . . . . . . . . . . 245
Brakes . . . . . . . . . . . . . . . . . . . . . . . 246 Brake Fluid . . . . . . . . . . . . . . . . . . . 247
Battery . . . . . . . . . . . . . . . . . . . . . . . . 248
All-Wheel Drive . . . . . . . . . . . . . . . 249
Starter Switch Check . . . . . . . . . 249
Automatic Transmission Shift
Lock Control Function
Check . . . . . . . . . . . . . . . . . . . . . . . 249
Park Brake and P (Park) Mechanism Check . . . . . . . . . . 249
Wiper Blade Replacement . . . . 250
Windshield Replacement . . . . . 251
Headlamp Aiming
Headlamp Aiming . . . . . . . . . . . . 251
Bulb Replacement
Bulb Replacement . . . . . . . . . . . . 251
High Intensity Discharge (HID) Lighting . . . . . . . . . . . . . . . . . . . . . 251
LED Lighting . . . . . . . . . . . . . . . . . 252
Back-Up Lamps . . . . . . . . . . . . . . 252
License Plate Lamp . . . . . . . . . . 252
Replacement Bulbs . . . . . . . . . . . 253
Electrical System
Electrical System Overload . . . 253
Fuses and Circuit Breakers . . . 254
Engine Compartment Fuse Block . . . . . . . . . . . . . . . . . . . . . . . . 254
Instrument Panel Fuse Block . . . . . . . . . . . . . . . . . . . . . . . . 257 Rear Compartment Fuse
Block . . . . . . . . . . . . . . . . . . . . . . . . 259
Wheels and Tires
Tires . . . . . . . . . . . . . . . . . . . . . . . . . . 261
All-Season Tires . . . . . . . . . . . . . . 262
Winter Tires . . . . . . . . . . . . . . . . . . 262
Summer Tires . . . . . . . . . . . . . . . . 262
Tire Pressure . . . . . . . . . . . . . . . . . 263
Tire Pressure for High-SpeedOperation . . . . . . . . . . . . . . . . . . . 264
Tire Pressure Monitor System . . . . . . . . . . . . . . . . . . . . . . 265
Tire Pressure Monitor Operation . . . . . . . . . . . . . . . . . . . 266
Tire Inspection . . . . . . . . . . . . . . . . 268
Tire Rotation . . . . . . . . . . . . . . . . . 269
When It Is Time for New Tires . . . . . . . . . . . . . . . . . . . . . . . . 270
Buying New Tires . . . . . . . . . . . . . 271
Different Size Tires and Wheels . . . . . . . . . . . . . . . . . . . . . . 272
Wheel Alignment and Tire Balance . . . . . . . . . . . . . . . . . . . . . 272
Wheel Replacement . . . . . . . . . . 273
Tire Chains . . . . . . . . . . . . . . . . . . . 273
If a Tire Goes Flat . . . . . . . . . . . . 274
Tire Changing . . . . . . . . . . . . . . . . 275
Compact Spare Tire . . . . . . . . . . 280
Page 229 of 320

Cadillac XTS Owner Manual (GMNA-Localizing-MidEast-9369806) - 2016 -
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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.
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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.
Page 247 of 320

Cadillac XTS Owner Manual (GMNA-Localizing-MidEast-9369806) - 2016 -
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246 Vehicle Care
Caution
.Do not use washer fluid that
contains any type of water
repellent coating. This can
cause the wiper blades to
chatter or skip.
. Do not use engine coolant
(antifreeze) in the
windshield washer. It can
damage the windshield
washer system and paint.
. Do not mix water with
ready-to-use washer fluid.
Water can cause the
solution to freeze and
damage the washer fluid
tank and other parts of the
washer system.
. When using concentrated
washer fluid, follow the
manufacturer instructions for
adding water.
. Fill the washer fluid tank
only three-quarters full when
it is very cold. This allows
for fluid expansion if
(Continued)
Caution (Continued)
freezing occurs, which could
damage the tank if it is
completely full.
Brakes
Disc brake pads have built-in wear
indicators that make a high-pitched
warning sound when the brake pads
are worn and new pads are needed.
The sound can come and go or be
heard all the time when the vehicle
is moving, except when applying the
brake pedal firmly.
{Warning
The brake wear warning sound
means that soon the brakes will
not work well. That could lead to
a crash. When the brake wear
warning sound is heard, have the
vehicle serviced.
Caution
Continuing to drive with worn-out
brake pads could result in costly
brake repair.
Some driving conditions or climates
can cause a brake squeal when the
brakes are first applied or lightly
applied. This does not mean
something is wrong with the brakes.
Properly torqued wheel nuts are
necessary to help prevent brake
pulsation. When tires are rotated,
inspect brake pads for wear and
evenly tighten wheel nuts in the
proper sequence to torque
specifications. See Capacities and
Specifications 0305.
Brake pads should be replaced as
complete sets.
Brake Pedal Travel
See your dealer if the brake pedal
does not return to normal height,
or if there is a rapid increase in
pedal travel. This could be a sign
that brake service may be required.
Page 248 of 320

Cadillac XTS Owner Manual (GMNA-Localizing-MidEast-9369806) - 2016 -
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Vehicle Care 247
Replacing Brake System Parts
Always replace brake system parts
with new, approved replacement
parts. If this is not done, the brakes
may not work properly. The braking
performance expected can change
in many other ways if the wrong
replacement brake parts are
installed or parts are improperly
installed.
Brake Fluid
The brake master cylinder reservoir
is filled with DOT 3 brake fluid as
indicated on the reservoir cap. See
Engine Compartment Overview
0230 for the location of the
reservoir. There are only two reasons why the
brake fluid level in the reservoir may
go down:
.
Normal brake lining wear. When
new linings are installed, the
fluid level goes back up.
. A fluid leak in the brake
hydraulic system. Have the
brake hydraulic system fixed.
With a leak, the brakes will not
work well.
Always clean the brake fluid
reservoir cap and the area around
the cap before removing it.
Do not top off the brake fluid.
Adding fluid does not correct a leak.
If fluid is added when the linings are
worn, there will be too much fluid
when new brake linings are
installed. Add or remove fluid, as
necessary, only when work is done
on the brake hydraulic system.
{Warning
If too much brake fluid is added, it
can spill on the engine and burn,
if the engine is hot enough. You
or others could be burned, and
the vehicle could be damaged.
Add brake fluid only when work is
done on the brake hydraulic
system.
When the brake fluid falls to a low
level, the brake warning light comes
on. See Brake System Warning
Light 0121.
Brake fluid absorbs water over time.
Replace brake fluid at the specified
intervals to prevent increased
stopping distance. See Maintenance
Schedule 0297.
What to Add
Use only GM approved DOT 3
brake fluid from a clean, sealed
container. See Recommended
Fluids and Lubricants 0301.
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Cadillac XTS Owner Manual (GMNA-Localizing-MidEast-9369806) - 2016 -
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248 Vehicle Care
{Warning
The wrong or contaminated brake
fluid could result in damage to the
brake system. This could result in
the loss of braking leading to a
possible injury. Always use the
proper brake fluid.
Caution
If brake fluid is spilled on the
vehicle's painted surfaces, the
paint finish can be damaged.
Immediately wash off any painted
surface.
Battery
The original equipment battery is
maintenance free. Do not remove
the cap and do not add fluid.
Refer to the replacement number
shown on the original battery label
when a new battery is needed. See
Engine Compartment Overview
0230 for battery location.
{Warning
Do not use a match or flame near
a vehicle's battery. If you need
more light, use a flashlight.
When working around a vehicle’s
battery, shield your eyes with
protective glasses.
Keep children away from vehicle
batteries.
{Warning
Batteries have acid that can burn
you and gas that can explode.
You can be hurt badly if you are
not careful.
Follow instructions carefully when
working around a battery.
Battery posts, terminals and
related accessories contain lead
and lead compounds which can
cause cancer and reproductive
harm. Wash hands after handling.
Vehicle Storage
Infrequent Usage: Remove the
black, negative (−) cable from the
battery to keep the battery from
running down.
Extended Storage: Remove the
black, negative (−) cable from the
battery or use a battery trickle
charger.
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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)
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Cadillac XTS Owner Manual (GMNA-Localizing-MidEast-9369806) - 2016 -
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250 Vehicle Care
Warning (Continued)
roll. Be ready to apply the regular
brake at once should the vehicle
begin to move.
Park on a fairly steep hill, with the
vehicle facing downhill. Keeping
your foot on the regular brake, set
the parking brake.
. To check the parking brake's
holding ability: With the engine
running and the transmission in
N (Neutral), slowly remove foot
pressure from the regular brake
pedal. Do this until the vehicle is
held by the parking brake only.
. To check the P (Park)
mechanism's holding ability:
With the engine running, shift to
P (Park). Then release the
parking brake followed by the
regular brake.
Contact your dealer if service is
required.
Wiper Blade Replacement
Windshield wiper blades should be
inspected for wear or cracking.
It is a good idea to clean the wiper
blade assembly on a regular basis.
When worn, or when cleaning is
ineffective, replace the wiper blade.
For proper windshield wiper blade
length and type, see Maintenance
Replacement Parts 0302.
Caution
Allowing the wiper arm to touch
the windshield when no wiper
blade is installed could damage
the windshield. Any damage that
occurs would not be covered by
the vehicle warranty. Do not allow
the wiper arm to touch the
windshield.
To replace the wiper blade: 1. Pull the wiper assembly away from the windshield.
2. Lift up on the latch in the
middle of the wiper blade
where the wiper arm attaches.
3. With the latch open, pull the wiper blade down toward the
windshield far enough to
release it from the J-hooked
end of the wiper arm.
4. Remove the wiper blade.
5. Reverse Steps 1–3 for wiper blade replacement.
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Vehicle Care 255
The vehicle may not be equipped
with all of the fuses, relays, and
features shown.J-CaseFuses Usage
6 Wiper
12 Starter
21 Rear Power Windows J-Case
Fuses Usage
22 Sunroof
24 Front Power Windows
25 Retained Accessory Power
26 Antilock Brake System Pump J-Case
Fuses Usage
27 Electric Parking Brake
28 Rear Window Defogger
41 Brake Vacuum Assist Pump
42 Cooling Fan K2
44 Headlamp Washer
45 Cooling Fan K1
Mini Fuses Usage 1 Transmission Control Module –
Battery
2 Engine Control Module Battery
3 Air Conditioning Compressor Clutch
4 Not Used
5 Engine Control Module Run/Crank