
Cadillac XTS Owner Manual (GMNA-Localizing-U.S./Canada-11354412) -
2018 - crc - 11/16/17
ContentsIntroduction . . . . . . . . . . . . . . . . . . . . . . . . . . 2
In Brief . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Keys, Doors, and Windows . . . . . . . . . 27
Seats and Restraints . . . . . . . . . . . . . . . 52
Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106
Instruments and Controls . . . . . . . . 110
Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152
Infotainment System . . . . . . . . . . . . . 159
Climate Controls . . . . . . . . . . . . . . . . . . 160
Driving and Operating . . . . . . . . . . . . 169
Vehicle Care . . . . . . . . . . . . . . . . . . . . . . . 232
Service and Maintenance . . . . . . . . . 315
Technical Data . . . . . . . . . . . . . . . . . . . . 330
Customer Information . . . . . . . . . . . . 334
Reporting Safety Defects . . . . . . . . . 344
OnStar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 347
Index . . . . . . . . . . . . . . . . . . . . . . . . 358

Cadillac XTS Owner Manual (GMNA-Localizing-U.S./Canada-11354412) -
2018 - crc - 11/16/17
IN BRIEF 5
In Brief
Instrument Panel
Instrument Panel Overview . . . . . . . . . 6
Initial Drive Information
Initial Drive Information . . . . . . . . . . . 8
Remote Keyless Entry (RKE)System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Remote Vehicle Start . . . . . . . . . . . . . . . 8
Door Locks . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Trunk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Seat Adjustment . . . . . . . . . . . . . . . . . . . 10
Memory Features . . . . . . . . . . . . . . . . . . 12
Second Row Seats . . . . . . . . . . . . . . . . . 13
Heated and Ventilated Seats . . . . . . 13
Head Restraint Adjustment . . . . . . . 13
Seat Belts . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Passenger Sensing System . . . . . . . . 14
Mirror Adjustment . . . . . . . . . . . . . . . . 14
Steering Wheel Adjustment . . . . . . . 15
Interior Lighting . . . . . . . . . . . . . . . . . . . 15
Exterior Lighting . . . . . . . . . . . . . . . . . . . 16
Windshield Wiper/Washer . . . . . . . . 16
Climate Controls . . . . . . . . . . . . . . . . . . . 17
Transmission . . . . . . . . . . . . . . . . . . . . . . . 19
Vehicle Features
Infotainment System . . . . . . . . . . . . . . 19
Steering Wheel Controls . . . . . . . . . . 19
Cruise Control . . . . . . . . . . . . . . . . . . . . . 19
Driver Information Center (DIC) . . . . . . . . . . . . . . . . . . . . . . 20
Forward Collision Alert (FCA) System . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Forward Automatic Braking (FAB) . . . . . . . . . . . . . . . . . . . . 20
Lane Departure Warning (LDW) . . . . . . . . . . . . . . . . . . 21
Lane Keep Assist (LKA) . . . . . . . . . . . 21
Side Blind Zone Alert (SBZA) . . . . . 21
Lane Change Alert (LCA) . . . . . . . . . . 21
Surround Vision . . . . . . . . . . . . . . . . . . . 21
Rear Vision Camera (RVC) . . . . . . . . 22
Rear Cross Traffic Alert (RCTA) System . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Parking Assist . . . . . . . . . . . . . . . . . . . . . . 22
Automatic Parking Assist (APA) . . . . . . . . . . . . . . . . . . . . . . 22
Reverse Automatic Braking (RAB) . . . . . . . . . . . . . . . . . . . . 22
Power Outlets . . . . . . . . . . . . . . . . . . . . . . 23
Universal Remote System . . . . . . . . . 23
Sunroof . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Performance and Maintenance
Traction Control/Electronic Stability Control . . . . . . . . . . . . . . . . . . 24
Tire Pressure Monitor . . . . . . . . . . . . . 25
Fuel (LFX 3.6L V6 Engine) . . . . . . . . 25
Fuel (LF3 3.6L Twin Turbo V6 Engine) . . . . . . . . . . . . . . . . . . . . . . . . 25
E85 or FlexFuel . . . . . . . . . . . . . . . . . . . . 25
Engine Oil Life System . . . . . . . . . . . . 26
Driving for Better Fuel Economy . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Roadside Service . . . . . . . . . . . . . . . . . . . 26

Cadillac XTS Owner Manual (GMNA-Localizing-U.S./Canada-11354412) -
2018 - crc - 11/16/17
8 IN BRIEF
Initial Drive Information
This section provides a brief overview
about some of the important features
that may or may not be on your
specific vehicle.
For more detailed information, refer to
each of the features which can be
found later in this owner’s manual.
Remote Keyless Entry
(RKE) System
The Remote Keyless Entry (RKE)
transmitter may be used to lock and
unlock the doors from up to 60 m
(197 ft) away from the vehicle.
Q:Press to lock all doors.
K:Press to unlock the driver door or
all doors, depending on the vehicle
personalization settings. See “Remote
Lock, Unlock, Start ”under Vehicle
Personalization 0143.
7:Press and release one time to
initiate vehicle locator. Press and hold
for three seconds to sound the panic
alarm. Press again or start the vehicle
to cancel the panic alarm.
X: Press twice quickly to release the
trunk.
Press the key release button near the
bottom of the transmitter to remove
the key. The key can be used for the
driver door.
See Keys 027 and Remote Keyless
Entry (RKE) System Operation 028.
Remote Vehicle Start
The engine can be started from
outside of the vehicle.
Starting the Vehicle
1. Press and releaseQon the RKE
transmitter.
2. Immediately press and hold
/
for at least four seconds or until
the turn signal lamps flash.
Start the vehicle normally after
entering.
When the vehicle starts, the parking
lamps will turn on.
Remote start can be extended.
Canceling a Remote Start
To cancel a remote start, do one of
the following:
. Press and hold
/until the
parking lamps turn off.
. Turn on the hazard warning
flashers.
. Turn the vehicle on and then off.
See Remote Vehicle Start 034.

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IN BRIEF 9
Door Locks
To lock or unlock a door manually:
.Use the key in the driver door. The
key cylinder is covered by a cap.
See Door Locks 036.
. To unlock a door from the inside,
pull once on the door handle to
unlock it, and again to open it.
Power Door Locks
.From the inside, pressQorK.
See Power Door Locks 038. .
From the outside, press
QorK
on the Remote Keyless Entry
(RKE) transmitter, or press the
button on the door handle when
the RKE transmitter is within 1 m
(3 ft). See Remote Keyless Entry
(RKE) System Operation 028.
Trunk
To open the trunk:
.
Press
|from inside the vehicle. .
Press
Xtwice quickly on the
Remote Keyless Entry (RKE)
transmitter. See Remote Keyless
Entry (RKE) System Operation 028.
. Press the emblem on the trunk
after unlocking all doors. See
Trunk 040.
Windows
The power windows work when the
ignition is on, in ACC/ACCESSORY,
or when Retained Accessory Power
(RAP) is active. See Retained Accessory
Power (RAP) 0185.

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IN BRIEF 13
power mirrors and power steering
wheel, if equipped. Memory positions
are linked to RKE transmitter 1 or 2
for automatic memory recalls.
Before storing, adjust all available
memory feature positions. Turn the
ignition on and then press and release
SET; a beep will sound. Then
immediately press and hold 1, 2,
or
B(Exit) on the driver door until
two beeps sound. To manually recall
these positions, press and hold 1, 2,
or
Buntil the saved position is
reached.
When Auto Memory Recall is enabled
in the personalization menu, positions
previously stored to memory buttons
1 and 2 are recalled when the ignition
is changed from off to on or ACC/
ACCESSORY.
When Easy Exit Options is enabled in
the personalization menu, the feature
automatically recalls the previously
stored exit position when exiting the
vehicle. See Memory Seats 060.
Second Row Seats
On some vehicles, either side of the
seatback can be folded for more cargo
space.
See Rear Seats 065.
Heated and Ventilated
Seats
If equipped, the buttons are near the
climate controls on the center stack.
To operate, the ignition must be on.
Press
Jorzto heat the driver or
passenger seat cushion and seatback. Press
Cor{to ventilate the driver
or passenger seat.
Press the button once for the highest
setting. With each press of the button,
the seat will change to the next lower
setting, and then to the off setting.
The indicator lights next to the
buttons indicate three for the highest
setting and one for the lowest. If the
front heated seats are on high, the
level may automatically be lowered
after approximately 30 minutes.
See Heated and Ventilated Front Seats
0 62.
Head Restraint Adjustment
Do not drive until the head restraints
for all occupants are installed and
adjusted properly.
To achieve a comfortable seating
position, change the seatback recline
angle as little as necessary while
keeping the seat and the head
restraint height in the proper position.
See Head Restraints 053 and Power
Seat Adjustment 056.

Cadillac XTS Owner Manual (GMNA-Localizing-U.S./Canada-11354412) -
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IN BRIEF 15
Interior Mirror
Adjustment
Hold the rearview mirror in the center
and move it to view the area behind
the vehicle.
Automatic Dimming Rearview Mirror
The vehicle has an automatic
dimming rearview mirror. The mirror
will automatically reduce the glare
from the headlamps from behind. The
dimming feature comes on when the
vehicle is started. SeeAutomatic
Dimming Rearview Mirror 046.
Steering Wheel Adjustment
Press the control to move the tilt and
telescoping steering wheel up and
down or forward and rearward.
Do not adjust the steering wheel while
driving.
Interior Lighting
Dome Lamp
The dome lamp is in the overhead
console.
To change the dome lamp settings,
press:
OFF : Turns the lamp off, even when a
door is open.
DOOR : The lamp comes on
automatically when a door is opened.
ON : Turns the dome lamp on.
Reading Lamps
There are reading lamps on the
overhead console and over the rear
passenger doors. These lamps come

Cadillac XTS Owner Manual (GMNA-Localizing-U.S./Canada-11354412) -
2018 - crc - 11/16/17
16 IN BRIEF
on automatically when any door is
opened. To manually turn the reading
lamps on or off:
Pressmornnext to each overhead
console reading lamp.
Press the lamp lenses to turn the rear
passenger reading lamps on or off.
For more information on interior
lighting, see Instrument Panel
Illumination Control 0156.
Exterior Lighting
The exterior lamp control is on the
turn signal lever.
Turn the control to the following
positions:
O:Turns off the exterior lamps. The
knob returns to the AUTO position
after it is released. Turn to
Oagain to
reactivate the AUTO mode.
AUTO : Automatically turns the
exterior lamps on and off, depending
on outside lighting.
;: Turns on the parking lamps
including all lamps, except the
headlamps.
5: Turns on the headlamps together
with the parking lamps and
instrument panel lights.
See:
. Exterior Lamp Controls 0152
. Turn and Lane-Change Signals
0155
. Headlamp High/Low-Beam Changer
0153
Windshield Wiper/Washer
With the ignition on or in ACC/
ACCESSORY, move the lever to select
the wiper speed.
HI : Use for fast wipes.
LO : Use for slow wipes.

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IN BRIEF 23
SeeAssistance Systems for Parking or
Backing 0207.
Power Outlets
The accessory power outlets can be
used to plug in electrical equipment,
such as a cell phone or MP3 player.
The vehicle has three accessory power
outlets:
.
Inside the front storage area below
the climate control system
. Inside the center console
Lift the cover to access the accessory
power outlet.
See Power Outlets 0113.
Universal Remote System
If equipped, this system provides a
way to replace up to three remote
control transmitters used to activate
devices such as garage door openers,
security systems, and home
automation devices.
Read the instructions completely
before attempting to program the
Universal Remote system. Because of
the steps involved, it may be helpful
to have another person available to
assist you with programming the
Universal Remote system.
See Universal Remote System 0148.
Sunroof
If equipped with a sunroof, the
ignition must be on or in ACC/
ACCESSORY, or Retained Accessory
Power (RAP) must be active to operate
the sunroof and power sunshade.
See Ignition Positions 0181 and
Retained Accessory Power (RAP) 0185.
1. Sunroof Switch
2. Sunshade Switch