
Cadillac XTS Owner Manual (GMNA-Localizing-MidEast-10292881) - 2017 -
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206 DRIVING AND OPERATING
Use caution while backing up when
towing a trailer, as the RCTA
detection zones that extend out from
the back of the vehicle do not move
further back when a trailer is towed.
Turning the Features On or Off
PressXon the center stack to turn
on or off the Front and Rear Parking
Assist, Reverse Automatic Braking
(RAB), Rear Cross Traffic Alert
(RCTA), and the Backing Warning
System at the same time. The
indicator light next to the button
comes on when the features are on
and turns off when the features have
been disabled.
Turn off parking assist, RCTA, and
RAB when towing a trailer.
To turn the RPA symbols or guidance
lines (on some models) on or off, see
“Rear Camera ”under Vehicle
Personalization 0144.
RCTA can also be turned on or off
through vehicle personalization. See
“Collision/Detection Systems” under
Vehicle Personalization 0144.
Assistance Systems for
Driving
If equipped, when driving the vehicle
in a forward gear, Forward Collision
Alert (FCA), Lane Departure Warning
(LDW), Side Blind Zone Alert (SBZA),
and/or the Forward Automatic Braking
(FAB) System can help to avoid a
crash or reduce crash damage.
Forward Collision Alert
(FCA) System
If equipped, the FCA system may help
to avoid or reduce the harm caused by
front-end crashes. When approaching
a vehicle ahead too quickly, FCA
provides a red flashing alert on the
windshield and rapidly beeps or pulses
the driver seat. FCA also lights an
amber visual alert if following another
vehicle much too closely.
FCA detects vehicles within a distance
of approximately 60 m (197 ft) and
operates at speeds above 40 km/h
(25 mph). If the vehicle has Adaptive
Cruise Control (ACC), it can detect
vehicles to distances of approximately 110 m (360 ft) and operates at all
speeds. See
Adaptive Cruise
Control 0194.
{Warning
FCA is a warning system and does
not apply the brakes. When
approaching a slower-moving or
stopped vehicle ahead too rapidly,
or when following a vehicle too
closely, FCA may not provide a
warning with enough time to help
avoid a crash. It also may not
provide any warning at all. FCA
does not warn of pedestrians,
animals, signs, guardrails, bridges,
construction barrels, or other
objects. Be ready to take action and
apply the brakes. See Defensive
Driving 0168.
FCA can be disabled with the FCA
steering wheel control, or if your
vehicle is equipped with Adaptive
Cruise Control (ACC), through vehicle
personalization. See the “Auto

Cadillac XTS Owner Manual (GMNA-Localizing-MidEast-10292881) - 2017 -
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DRIVING AND OPERATING 207
Collision Preparation”portion of
“Collision/Detection Systems” under
Vehicle Personalization 0144.
Detecting the Vehicle Ahead
FCA warnings will not occur unless
the FCA system detects a vehicle
ahead. When a vehicle is detected, the
vehicle ahead indicator will display
green. Vehicles may not be detected
on curves, highway exit ramps,
or hills, due to poor visibility; or if a
vehicle ahead is partially blocked by
pedestrians or other objects. FCA will
not detect another vehicle ahead until
it is completely in the driving lane.
{Warning
FCA does not provide a warning to
help avoid a crash, unless it detects
a vehicle. FCA may not detect a
(Continued)
Warning (Continued)
vehicle ahead if the FCA sensor is
blocked by dirt, snow, or ice, or if
the windshield is damaged. It may
also not detect a vehicle on winding
or hilly roads, or in conditions that
can limit visibility such as fog, rain,
or snow, or if the headlamps or
windshield are not cleaned or in
proper condition. Keep the
windshield, headlamps, and FCA
sensors clean and in good repair.
Collision Alert
With Head-Up Display
Without Head-Up Display
When your vehicle approaches
another detected vehicle too rapidly,
the red FCA display will flash on the
windshield. Also, eight rapid
high-pitched beeps will sound from
the front, or both sides of the Safety
Alert Seat will pulse five times. When
this Collision Alert occurs, the brake
system may prepare for driver braking
to occur more rapidly which can cause
a brief, mild deceleration. Continue to
apply the brake pedal as needed.
Cruise control may be disengaged
when the Collision Alert occurs.
Tailgating Alert

Cadillac XTS Owner Manual (GMNA-Localizing-MidEast-10292881) - 2017 -
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208 DRIVING AND OPERATING
The vehicle ahead indicator will
display amber when you are following
a vehicle ahead much too closely.
Selecting the Alert Timing
The Collision Alert control is on the
steering wheel. Press
[to set the
FCA timing to Far, Medium, or Near,
or on some vehicles, Off. The first
button press shows the current setting
on the DIC. Additional button presses
will change this setting. The chosen
setting will remain until it is changed
and will affect the timing of both the
Collision Alert and the Tailgating
Alert features. The timing of both
alerts will vary based on vehicle speed. The faster the vehicle speed, the
farther away the alert will occur.
Consider traffic and weather
conditions when selecting the alert
timing. The range of selectable alert
timings may not be appropriate for all
drivers and driving conditions.
If your vehicle is equipped with
Adaptive Cruise Control (ACC),
changing the FCA timing setting
automatically changes the following
gap setting (Far, Medium, or Near).
Unnecessary Alerts
FCA may provide unnecessary alerts
for turning vehicles, vehicles in other
lanes, objects that are not vehicles,
or shadows. These alerts are normal
operation and the vehicle does not
need service.
Cleaning the System
If the FCA system does not seem to
operate properly, cleaning the outside
of the windshield in front the rearview
mirror, and cleaning the front of the
vehicle where radar sensors are
located, may correct the issue.
Forward Automatic
Braking (FAB)
If the vehicle has Adaptive Cruise
Control (ACC), it also has FAB, which
includes Intelligent Brake Assist (IBA).
When the system detects a vehicle
ahead in your path that is traveling in
the same direction that you may be
about to crash into, it can provide a
boost to braking or automatically
brake the vehicle. This can help avoid
or lessen the severity of crashes when
driving in a forward gear. Depending
on the situation, the vehicle may
automatically brake moderately or
hard. This forward automatic braking
can only occur if a vehicle is detected.
This is shown by the FCA vehicle
ahead indicator being lit. See
Forward
Collision Alert (FCA) System 0206.
The system works when driving in a
forward gear above 4 km/h (2 mph).
It can detect vehicles up to
approximately 60 m (197 ft).

Cadillac XTS Owner Manual (GMNA-Localizing-MidEast-10292881) - 2017 -
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216 DRIVING AND OPERATING
.Do not tow a trailer during the
first 800 km (500 mi), to prevent
damage to the engine, axle,
or other parts.
. Then, during the first 800 km
(500 mi) of trailer towing, do not
drive over 80 km/h (50 mph) and
do not make starts at full throttle.
. The vehicle can tow in D (Drive).
Use a lower gear if the
transmission shifts too often.
. Do not use Adaptive Cruise
Control when towing.
. The Forward Automatic Braking
System should be set to Off when
towing. See Forward Automatic
Braking (FAB) 0208.
. Turn off Parking Assist when
towing.{Warning
When towing a trailer, exhaust
gases may collect at the rear of the
vehicle and enter if the liftgate,
trunk/hatch, or rear-most window
is open.
When towing a trailer:
. Do not drive with the liftgate,
trunk/hatch, or rear-most
window open.
. Fully open the air outlets on
or under the instrument
panel.
. Also adjust the climate
control system to a setting
that brings in only outside air.
See “Climate Control Systems ”
in the Index.
For information about carbon
monoxide, see Engine
Exhaust 0182.
Towing a trailer requires a certain
amount of experience. The
combination you are driving is longer
and not as responsive as the vehicle itself. Get acquainted with the
handling and braking of the rig before
setting out for the open road.
Before starting, check all trailer hitch
parts and attachments, safety chains,
electrical connectors, lamps, tires, and
mirrors. If the trailer has electric
brakes, start the combination moving
and then apply the trailer brake
controller by hand to be sure the
brakes work.
During the trip, check occasionally to
be sure that the load is secure and the
lamps and any trailer brakes
still work.
Towing with a Stability Control
System
When towing, the sound of the
stability control system might be
heard. The system is reacting to the
vehicle movement caused by the
trailer, which mainly occurs during
cornering. This is normal when towing
heavier trailers.

Cadillac XTS Owner Manual (GMNA-Localizing-MidEast-10292881) - 2017 -
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304 INDEX
IndexA
Accessories and Modifications . . . . . 222
Accessory Power . . . . . . . . . . . . . . . . . . . . 180
Adaptive Cruise Control . . . . . . . . . . . . 194
Adaptive ForwardLighting (AFL) . . . . . . . . . . . . . . . . . . . . . 154
Adaptive Forward Lighting (AFL) Light . . . . . . . . . . . . . . . . . . . . . . . . 127
Add-On Electrical Equipment . . . . . . 220
Adjustments Lumbar, Front Seats . . . . . . . . . . . . . . . . 54
Thigh Support . . . . . . . . . . . . . . . . . . . . . . 55
Air Cleaner/Filter, Engine . . . . . . . . . . 231
Air Conditioning . . . . . . . . . . . . . . .159, 163
Air Filter, Passenger Compartment . . . . . . . . . . . . . . . . . . . . . 166
Air Vents . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165
Airbag System Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
How Does an Airbag Restrain? . . . . . 74
Passenger Sensing System . . . . . . . . . 75
What Makes an Airbag Inflate? . . . . 73
What Will You See after anAirbag Inflates? . . . . . . . . . . . . . . . . . . . 74
When Should an Airbag Inflate? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Where Are the Airbags? . . . . . . . . . . . . 71 Airbags
Adding Equipment to the
Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Passenger Status Indicator . . . . . . . 119
Readiness Light . . . . . . . . . . . . . . . . . . . 119
Servicing Airbag-Equipped Vehicles . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
System Check . . . . . . . . . . . . . . . . . . . . . . . 69
Alarm Vehicle Security . . . . . . . . . . . . . . . . . . . . . 39
Alert
Side Blind Zone (SBZA) . . . . . . . . . . 210
All-Season Tires . . . . . . . . . . . . . . . . . . . . . 255
All-Wheel Drive . . . . . . . . . . . . . . . .185, 242
Antilock Brake System (ABS) . . . . . . 185 Warning Light . . . . . . . . . . . . . . . . . . . . 123
Appearance Care Exterior . . . . . . . . . . . . . . . . . . . . . . . . . . . . 278
Interior . . . . . . . . . . . . . . . . . . . . . . . . . . . . 282
Armrest Rear Seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Armrest Storage . . . . . . . . . . . . . . . . . . . . . 100
Ashtrays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110
Assistance Systems for Driving . . . . 206
Assistance Systems for Parking and Backing . . . . . . . . . . . . . . . . . . . . . . . 202
Automatic Dimming Mirrors . . . . . . . . . . . . . . . . . . . 42

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306 INDEX
Control of a Vehicle . . . . . . . . . . . . . . . . 168
Convenience Net . . . . . . . . . . . . . . . . . . . . 102
Convex Mirrors . . . . . . . . . . . . . . . . . . . . . . 41
CoolantEngine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 234
Engine Temperature Gauge . . . . . . 117
Engine Temperature WarningLight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125
Cooling . . . . . . . . . . . . . . . . . . . . . . . . .159, 163
Cooling System . . . . . . . . . . . . . . . . . . . . . 233 Engine Messages . . . . . . . . . . . . . . . . . . 136
Courtesy Lamps . . . . . . . . . . . . . . . . . . . . . 155
Cover Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 227
Cruise Control . . . . . . . . . . . . . . . . . . . . . . . 191 Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127
Messages . . . . . . . . . . . . . . . . . . . . . . . . . . 135
Cruise Control, Adaptive . . . . . . . . . . . 194
D
Danger, Warning, and Caution . . . . . . . . 2
Data Collection Infotainment System . . . . . . . . . . . . . 303
Data Recorders, Event . . . . . . . . . . . . . . 302
Daytime Running Lamps (DRL) . . . 153
Defensive Driving . . . . . . . . . . . . . . . . . . . 168
Delayed Locking . . . . . . . . . . . . . . . . . . . . . 35
Distracted Driving . . . . . . . . . . . . . . . . . . 168
Dome Lamps . . . . . . . . . . . . . . . . . . . . . . . . 155 Door
Ajar Light . . . . . . . . . . . . . . . . . . . . . . . . . 128
Ajar Messages . . . . . . . . . . . . . . . . . . . . . 136
Delayed Locking . . . . . . . . . . . . . . . . . . . . 35
Locks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Power Locks . . . . . . . . . . . . . . . . . . . . . . . . . 35
Rear Seat Pass-Through . . . . . . . . . . . . 63
Drive Belt Routing, Engine . . . . . . . . . 301
Drive Systems All-Wheel Drive . . . . . . . . . . . . . . 185, 242
Driver Assistance Systems . . . . . . . . . 201
Driver Information
Center (DIC) . . . . . . . . . . . . . . . . . . . . . . . 128
Driving Assistance Systems . . . . . . . . . . . . . . . 206
Characteristics andTowing Tips . . . . . . . . . . . . . . . . . . . . . 215
Defensive . . . . . . . . . . . . . . . . . . . . . . . . . . 168
For Better Fuel Economy . . . . . . . . . . . 24
Hill and Mountain Roads . . . . . . . . 171
If the Vehicle is Stuck . . . . . . . . . . . . 173
Loss of Control . . . . . . . . . . . . . . . . . . . . 170
Off-Road Recovery . . . . . . . . . . . . . . . . 170
Vehicle Load Limits . . . . . . . . . . . . . . 173
Wet Roads . . . . . . . . . . . . . . . . . . . . . . . . . 171
Winter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 172
Dual Automatic Climate Control System . . . . . . . . . . . . . . . . . . . . 159
E
Electric Parking Brake . . . . . . . . . . . . . . 186
Electric Parking Brake Light . . . . . . . 122
Electrical Equipment, Add-On . . . . . 220
Electrical SystemEngine Compartment FuseBlock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 248
Fuses and Circuit Breakers . . . . . . . 248
Instrument Panel Fuse Block . . . . 251
Overload . . . . . . . . . . . . . . . . . . . . . . . . . . . 247
Rear Compartment Fuse Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 252
Engine Air Cleaner/Filter . . . . . . . . . . . . . . . . . 231
Check and Service Engine
Soon Light . . . . . . . . . . . . . . . . . . . . . . . 120
Compartment Overview . . . . . . . . . . 224
Coolant . . . . . . . . . . . . . . . . . . . . . . . . . . . . 234
Coolant Temperature Gauge . . . . . 117
Coolant Temperature Warning Light . . . . . . . . . . . . . . . . . . . 125
Cooling System . . . . . . . . . . . . . . . . . . . 233
Cooling System Messages . . . . . . . . 136
Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 227
Drive Belt Routing . . . . . . . . . . . . . . . . 301
Exhaust . . . . . . . . . . . . . . . . . . . . . . . . . . . . 182
Oil Life System . . . . . . . . . . . . . . . . . . . . 230
Oil Messages . . . . . . . . . . . . . . . . . . . . . . 137

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INDEX 309
Lights (cont'd)Brake System Warning . . . . . . . . . . . 122
Charging System . . . . . . . . . . . . . . . . . . 120
Cruise Control . . . . . . . . . . . . . . . . . . . . . 127
Door Ajar . . . . . . . . . . . . . . . . . . . . . . . . . . 128
Electric Parking Brake . . . . . . . . . . . . 122
Engine Coolant Temperature
Warning . . . . . . . . . . . . . . . . . . . . . . . . . 125
Engine Oil Pressure . . . . . . . . . . . . . . . 126
Flash-to-Pass . . . . . . . . . . . . . . . . . . . . . . 153
High-Beam On . . . . . . . . . . . . . . . . . . . . 127
High/Low Beam Changer . . . . . . . . . 152
Lane Departure Warning . . . . . . . . . 123
Low Fuel Warning . . . . . . . . . . . . . . . . 126
Safety Belt Reminders . . . . . . . . . . . . 118
Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126
Service Electric Parking Brake . . . 123
StabiliTrak
®OFF . . . . . . . . . . . . . . . . . . 124
Tire Pressure . . . . . . . . . . . . . . . . . . . . . . 125
Traction Control System (TCS)/StabiliTrak
®. . . . . . . . . . . . . . 125
Traction Off . . . . . . . . . . . . . . . . . . . . . . . 124
Limited-Slip Rear Axle . . . . . . . . . . . . . 190
Locks
Automatic Door . . . . . . . . . . . . . . . . . . . . . 35
Delayed Locking . . . . . . . . . . . . . . . . . . . . 35
Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Lockout Protection . . . . . . . . . . . . . . . . . 36 Locks (cont'd)
Power Door . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Loss of Control . . . . . . . . . . . . . . . . . . . . . . 170
Low Fuel Warning Light . . . . . . . . . . . 126
Low-Profile Tires . . . . . . . . . . . . . . . . . . . . 256
Lower Anchors and Tethers for
Children (LATCH System) . . . . . . . . . 87
Lumbar Adjustment . . . . . . . . . . . . . . . . . 54
Front Seats . . . . . . . . . . . . . . . . . . . . . . . . . . 54
M
Magnetic Ride Control . . . . . . . . . . . . . 190
MaintenanceRecords . . . . . . . . . . . . . . . . . . . . . . . . . . . . 297
Maintenance Schedule . . . . . . . . . . . . . 288 Recommended Fluids andLubricants . . . . . . . . . . . . . . . . . . . . . . . 295
Malfunction Indicator Lamp . . . . . . . 120
Manual Mode . . . . . . . . . . . . . . . . . . . . . . . 184
Massage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Memory Features . . . . . . . . . . . . . . . . . . . . 12
Memory Seats . . . . . . . . . . . . . . . . . . . . . . . . 57
Messages
Airbag System . . . . . . . . . . . . . . . . . . . . . 141
Battery Voltage and Charging . . . . 134
Brake System . . . . . . . . . . . . . . . . . . . . . . 135
Compass . . . . . . . . . . . . . . . . . . . . . . . . . . . 135
Door Ajar . . . . . . . . . . . . . . . . . . . . . . . . . . 136 Messages (cont'd)
Engine Cooling System . . . . . . . . . . . 136
Engine Oil . . . . . . . . . . . . . . . . . . . . . . . . . 137
Engine Power . . . . . . . . . . . . . . . . . . . . . 137
Fuel System . . . . . . . . . . . . . . . . . . . . . . . 137
Key and Lock . . . . . . . . . . . . . . . . . . . . . . 137
Lamp . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138
Object Detection System . . . . . . . . . 138
Ride Control System . . . . . . . . . . . . . . 141
Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141
Service Vehicle . . . . . . . . . . . . . . . . . . . . 142
Starting the Vehicle . . . . . . . . . . . . . . 142
Tire . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142
Transmission . . . . . . . . . . . . . . . . . . . . . . 142
Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134
Vehicle Reminder . . . . . . . . . . . . . . . . . 143
Vehicle Speed . . . . . . . . . . . . . . . . . . . . . 143
Washer Fluid . . . . . . . . . . . . . . . . . . . . . . 143
Window . . . . . . . . . . . . . . . . . . . . . . . . . . . 143
Mirrors Automatic Dimming . . . . . . . . . . . . . . . . 42
Automatic Dimming Rearview . . . . . 43
Convex . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Folding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Heated . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Tilt in Reverse . . . . . . . . . . . . . . . . . . . . . . 42