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Cadillac XT5 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14590481) - 2021 - CRC - 10/22/20
288 DRIVING AND OPERATING
Always leave just enough slack so the
combination can turn. Never allow
safety chains to drag on the ground.
Trailer Brakes
Loaded trailers over 450 kg (1,000 lb)
must be equipped with brake systems
and with brakes for each axle. Trailer
braking equipment conforming to
Canadian Standards Association (CSA)
requirement CAN3-D313, or its
equivalent, is recommended.
State or local regulations may require
trailers to have their own braking
system if the loaded weight of the
trailer exceeds certain requirements
that can vary from state to state.
Read and follow the instructions for
the trailer brakes so they are installed,
adjusted, and maintained properly.
Never attempt to tap into your
vehicle's hydraulic brake system.
If you do, both the vehicle anti-lock
brakes and the trailer brakes may not
function and could result in a crash.
Trailer Wiring
The trailer wiring harness (if
equipped), with a seven-pin connector
is located at the rear of the vehicle,
and it is tied to the vehicle's frame.
If the vehicle is not equipped with a
seven-pin trailer connector, the body
harness has provisions to connect a
trailer harness and a seven-pin trailer
connector which is available through
your dealer.
Use only a round, seven-wire
connector with flat blade terminals
meeting SAE J2863 specifications for
proper electrical connectivity.The seven-wire harness contains the
following trailer circuits:
Stop/Turn
Signal Left Yellow/Blue
Stop/Turn Signal
Right Green/Brown
Tail/Parking
Lamps Gray/Brown
Reverse Lamps White/Green
Battery Feed Red/Green
Ground Black
Electric Trailer
Brake* Blue
* Circuit powered by electric trailer
brake control wiring provisions.
Electric Trailer Brake Control
Wiring Provisions
Wiring provisions for an aftermarket
electric trailer brake controller are
included with the vehicle as part of
the trailer wiring package. The
harness contains the following
circuits:

Cadillac XT5 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14590481) - 2021 - CRC - 10/22/20
DRIVING AND OPERATING 289
Electric Trailer
BrakesBlue
Battery Feed Red/Green or
Red/Blue
Brake Apply
Signal White/Blue
Ground Black
Refer to the aftermarket electric trailer
brake controller owner's manual to
determine wire color coding of the
electric trailer brake controller. The
wire colors on the brake controller
may be different from the vehicle. The
electric trailer brake controller should
be installed by your dealer or a
qualified service center.
If equipped, there are four blunt cut
wires inside the front driver side
instrument panel. It will be necessary
to have a technician connect the
12-volt power to the engine
compartment fuse block.
Trailer Lamps
Always check all trailer lamps are
working at the beginning of each trip,
and periodically on longer trips.
Turn Signals When Towing a
Trailer
When properly connected, the trailer
turn signals will illuminate to indicate
the vehicle is turning, changing lanes,
or stopping. When towing a trailer,
the arrows on the instrument cluster
will illuminate even if the trailer is not
properly connected or the bulbs are
burned out.
Always check all trailer lamps are
working at the beginning of each trip,
and periodically on longer trips.
Trailer Sway Control (TSC)
Vehicles with StabiliTrak/Electronic
Stability Control (ESC) have a Trailer
Sway Control (TSC) feature. Trailer
sway is unintended side-to-side
motion of a trailer while towing. If the
vehicle is towing a trailer and the TSC
detects that sway is increasing, the
vehicle brakes are selectively applied
at each wheel, to help reduce
excessive trailer sway. If equipped with
the Integrated Trailer Brake Control
(ITBC) system, and the trailer has an
electric brake system, StabiliTrak/ESC
may also apply the trailer brakes.
If TSC is enabled, the Traction Control
System (TCS)/StabiliTrak/ESC warning
light will flash on the instrument
cluster. Reduce vehicle speed by
gradually removing your foot from the
accelerator. If trailer sway continues,
StabiliTrak/ESC can reduce engine
torque to help slow the vehicle. TSC
will not function if StabiliTrak/ESC is
turned off. See Traction Control/
Electronic Stability Control 0240.
{Warning
Trailer sway can result in a crash
and in serious injury or death, even
if the vehicle is equipped with TSC.
If the trailer begins to sway, reduce
vehicle speed by gradually removing
your foot from the accelerator. Then
pull over to check the trailer and
vehicle to help correct possible
(Continued)

Cadillac XT5 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14590481) - 2021 - CRC - 10/22/20
CUSTOMER INFORMATION 403
In other Central America and
Caribbean Countries, call
52-555-901-2369.
Vehicle Data Recording
and Privacy
The vehicle has a number of
computers that record information
about the vehicle’s performance and
how it is driven or used. For example,
the vehicle uses computer modules to
monitor and control engine and
transmission performance, to monitor
the conditions for airbag deployment
and deploy them in a crash, and,
if equipped, to provide antilock
braking to help the driver control the
vehicle. These modules may store data
to help the dealer technician service
the vehicle or to help GM improve
safety or features. Some modules may
also store data about how the vehicle
is operated, such as rate of fuel
consumption or average speed. These
modules may retain personal
preferences, such as radio presets, seat
positions, and temperature settings.
Cybersecurity
GM collects information about the use
of your vehicle including operational
and safety related information. We
collect this information to provide,
evaluate, improve, and troubleshoot
our products and services and to
develop new products and services.
The protection of vehicle electronics
systems and customer data from
unauthorized outside electronic access
or control is important to GM. GM
maintains appropriate security
standards, practices, guidelines and
controls aimed at defending the
vehicle and the vehicle service
ecosystem against unauthorized
electronic access, detecting possible
malicious activity in related networks,
and responding to suspected
cybersecurity incidents in a timely,
coordinated and effective manner.
Security incidents could impact your
safety or compromise your private
data. To minimize security risks,
please do not connect your vehicle
electronic systems to unauthorized
devices or connect your vehicle to any
unknown or untrusted networks (such
as Bluetooth, WIFI or similartechnology). In the event you suspect
any security incident impacting your
data or the safe operation of your
vehicle, please stop operating your
vehicle and contact your dealer.
Event Data Recorders
This vehicle is equipped with an event
data recorder (EDR). The main
purpose of an EDR is to record, in
certain crash or near crash-like
situations, such as an air bag
deployment or hitting a road obstacle,
data that will assist in understanding
how a vehicle’s systems performed.
The EDR is designed to record data
related to vehicle dynamics and safety
systems for a short period of time,
typically 30 seconds or less. The EDR
in this vehicle is designed to record
such data as:
.How various systems in your
vehicle were operating;
.Whether or not the driver and
passenger safety belts were buckled/
fastened;
.How far (if at all) the driver was
depressing the accelerator and/or
brake pedal; and,

Cadillac XT5 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14590481) - 2021 - CRC - 10/22/20
ONSTAR 405
OnStar
OnStar Overview
OnStar Overview . . . . . . . . . . . . . . . . . . 405
OnStar Services
Emergency . . . . . . . . . . . . . . . . . . . . . . . . 406
Security . . . . . . . . . . . . . . . . . . . . . . . . . . . 406
OnStar Additional Information
OnStar AdditionalInformation . . . . . . . . . . . . . . . . . . . . . 406
OnStar Overview
=Voice Command Button
QBlue OnStar Button
>Red Emergency Button
This vehicle may be equipped with a
comprehensive, in-vehicle system that
can connect to an OnStar Advisor for
Emergency, Security, Navigation,
Connections, and Diagnostics Services.
OnStar services may require a paid
service plan and data plan. OnStar
requires the vehicle battery and
electrical system, cellular service, and
GPS satellite signals to be available
and operating. OnStar acts as a link to
existing emergency service providers.
OnStar may collect information about
you and your vehicle, including
location information. See OnStar User
Terms, Privacy Statement, and
Software Terms for more details including system limitations at
www.onstar.com (U.S.) or
www.onstar.ca (Canada).
The OnStar system status light is next
to the OnStar buttons. If the status
light is:
.Solid Green: System is ready.
.Flashing Green: On a call.
.Red: Indicates a problem.
.Off: System is off. PressQtwice to
speak with an OnStar Advisor.
Press
Qor call 1-888-4ONSTAR
(1-888-466-7827) to speak to an
Advisor.
Functionality of the Voice Command
button may vary by vehicle and
region.
Press
=to:
.Open the OnStar app on the
infotainment display. See OnStar
System 0154 for information on
how to use the OnStar app.
Or
.Give OnStar Turn-by-Turn
Navigation voice commands.

Cadillac XT5 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14590481) - 2021 - CRC - 10/22/20
414 INDEX
Appearance CareExterior . . . . . . . . . . . . . . . . . . . . . . . . . . . . 364
Interior . . . . . . . . . . . . . . . . . . . . . . . . . . . . 368
Apple CarPlay and Android Auto . . . . . . . . . . . . . . . . . . . . . . 179
Armrest Rear Seat . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Armrest Storage . . . . . . . . . . . . . . . . . . . . . . 87
Assistance Systems for Driving . . . . 264
Assistance Systems for Parking and Backing . . . . . . . . . . . . . . . . . . . . . . . 256
Audio Bluetooth . . . . . . . . . . . . . . . . . . . . . . . . . . 153
Auto Stop Stop/Start System . . . . . . . . . . . . . . . . 226
Automatic
Dimming Mirrors . . . . . . . . . . . . . . . . . . 30
Door Locks . . . . . . . . . . . . . . . . . . . . . . . . . 18
Emergency Braking (AEB) . . . . . . . . 266
Headlamp System . . . . . . . . . . . . . . . . 134
Transmission . . . . . . . . . . . . . . . . . . . . . . 232
Transmission Fluid . . . . . . . . . . . . . . . 302
Automatic Transmission Manual Mode . . . . . . . . . . . . . . . . . . . . . 236
Avoiding Untrusted Media
Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150B
BatteryExterior Lighting BatterySaver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138
Power Protection . . . . . . . . . . . . . . . . . . 138
Battery - North America . . . . . .312, 359
Blade Replacement, Wiper . . . . . . . . . 313
Bluetooth Overview . . . . . . . . . . . . . . . . . . . . 174, 175
Bluetooth Audio . . . . . . . . . . . . . . . . . . . . 153
Brake
Electric Boost . . . . . . . . . . . . . . . . . . . . . 237
Parking, Electric . . . . . . . . . . . . . . . . . . 238
System Warning Light . . . . . . . . . . . . 110
Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 310 Antilock . . . . . . . . . . . . . . . . . . . . . . . . . . . 238
Assist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 240
Fluid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 311
Braking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 211
Automatic Emergency (AEB) . . . . . 266
Braking System Front Pedestrian (FPB) . . . . . . . . . . . 268
Break-In, New Vehicle . . . . . . . . . . . . . . 224
Bulb Replacement Headlamp Aiming . . . . . . . . . . . . . . . . 315
Headlamps . . . . . . . . . . . . . . . . . . . . . . . . 315
Buying New Tires . . . . . . . . . . . . . . . . . . . 341
C
Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
California Perchlorate MaterialsRequirements . . . . . . . . . . . . . . . . . . . 293
California Proposition 65 Warning . . . . . . . . . . . . .293, 312, 359, Back Cover
Canadian Vehicle Owners . . . . . . . . . . . . . 1
Capacities and Specifications . . . . . . 388
Carbon Monoxide Engine Exhaust . . . . . . . . . . . . . . . . . . . 231
Liftgate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Winter Driving . . . . . . . . . . . . . . . . . . . . 218
Cargo Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
Management System . . . . . . . . . . . . . . 90
Tie-Downs . . . . . . . . . . . . . . . . . . . . . . . . . . 90
Caution, Danger, and Warning . . . . . . . . 2
Center Console Storage . . . . . . . . . . . . . . 88
Chains, Tire . . . . . . . . . . . . . . . . . . . . . . . . . 344
Charging
Wireless . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
Charging System Light . . . . . . . . . . . . . 108
Check
Engine Light (MalfunctionIndicator) . . . . . . . . . . . . . . . . . . . . . . . . 108

Cadillac XT5 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14590481) - 2021 - CRC - 10/22/20
420 INDEX
Oil (cont'd)Pressure Light . . . . . . . . . . . . . . . . . . . . . 115
Older Children, Restraints . . . . . . . . . . . 67
Online Owner Center . . . . . . . . . . . . . . . 395
OnStar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 404
OnStar Additional Information . . . . 406
OnStar Emergency . . . . . . . . . . . . . . . . . . 406
OnStar Overview . . . . . . . . . . . . . . . . . . . . 405
OnStar Security . . . . . . . . . . . . . . . . . . . . . 406
OnStar System . . . . . . . . . . . . . . . . .154, 165
Outlets Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
Overheating, Engine . . . . . . . . . . . . . . . . 308
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140 Instrument Panel . . . . . . . . . . . . . . . . . . . . 4
P
ParkShifting Into . . . . . . . . . . . . . . . . . . . . . . 229
Shifting Out of . . . . . . . . . . . . . . . . . . . . 230
Park Assist . . . . . . . . . . . . . . . . . . . . . . . . . . 256
Parking Brake and P (Park)Mechanism Check . . . . . . . . . . . . . . . 313
Extended . . . . . . . . . . . . . . . . . . . . . . . . . . 231
Over Things That Burn . . . . . . . . . . . 230
Parking or Backing Assistance Systems . . . . . . . . . . . . . . . 256 Passenger Airbag Status
Indicator . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
Passenger Compartment Air Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 208
Passenger Sensing System . . . . . . . . . . 61
Pedestrian Ahead Indicator . . . . . . . . 113
Perchlorate Materials Requirements, California . . . . . . . . . 293
Performance Shifting Light . . . . . . . . 111
Personalization Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
Phone Apple CarPlay andAndroid Auto . . . . . . . . . . . . . . . . . . . . 179
Bluetooth . . . . . . . . . . . . . . . . . . . . 174, 175
Port
USB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150
Positioning Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167
Power Door Locks . . . . . . . . . . . . . . . . . . . . . . . . . 17
Mirrors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Outlets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
Protection, Battery . . . . . . . . . . . . . . . . 138
Retained Accessory (RAP) . . . . . . . . 229
Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Pregnancy, Using Seat Belts . . . . . . . . . 54 Privacy
Vehicle Data Recording . . . . . . . . . . 403
Problems with Route Guidance . . . . 167
Program Courtesy Transportation . . . . . . . . . 398
Prohibited Fuels . . . . . . . . . . . . . . . . . . . . 276
Proposition 65 Warning,
California . . . . . . . . . . . . . . .293, 312, 359, Back Cover
Publication Ordering
Information . . . . . . . . . . . . . . . . . . . . . . . . 401
R
RadioHD Radio Technology . . . . . . . . . . . . 148
Radio Data System (RDS) . . . . . . . . . . 148
Radio Frequency Statement . . . . . . . . 401
Radio Reception . . . . . . . . . . . . . . . . . . . . 149
Radios AM-FM Radio . . . . . . . . . . . . . . . . . . . . . 146
Satellite . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149
Reading Lamps . . . . . . . . . . . . . . . . . . . . . 137
Rear Camera Mirror . . . . . . . . . . . . . . . . . 31
Rear Climate Control System . . . . . . 206
Rear Pedestrian Alert . . . . . . . . . . . . . . . 263
Rear Seat Armrest . . . . . . . . . . . . . . . . . . . 47
Rear Seats . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45