Page 187 of 646

WHAT IS THE REAR OCCUPANT
ALERT SYSTEM
The rear occupant alert system monitors
vehicle conditions and notifies you to check
for rear seat occupants when you switch the
ignition off.
HOW DOES THE REAR OCCUPANT
ALERT SYSTEM WORK
The system monitors when rear doors have
been opened and closed to indicate the
potential presence of an occupant in the rear
seat.
A message displays in the information and
entertainment display screen and an audible
warning sounds when you switch the ignition
off after any of the following conditions have
been met:
•
A rear door is opened or closed while
the ignition is on.
• You switch the ignition on within 15
minutes of a rear door opening and
closing.
• You switch the ignition on within 15
minutes of the alert having displayed or
sounded.
REAR OCCUPANT ALERT SYSTEM
PRECAUTIONS WARNING: On hot days, the
temperature inside the vehicle can rise
very quickly. Exposure of people or animals
to these high temperatures for even a short
time can cause death or serious heat
related injuries, including brain damage.
Small children are particularly at risk. WARNING:
Do not leave children or
pets unattended in your vehicle. Failure to
follow this instruction could result in
personal injury or death.
REAR OCCUPANT ALERT SYSTEM
LIMITATIONS
The system does not detect the presence of
objects or passengers in the rear seat. It
monitors when rear doors are opened and
closed.
Note: It is possible to receive an alert when
there is no rear seat occupant, but alert
conditions are met.
Note: It is possible to receive no alert when
there is an occupant in the rear seat, if alert
conditions are not met. For example, if a rear
seat occupant does not enter the vehicle
through a rear door.
Note: The audible warning does not sound
when the front door is opened before you
switch the ignition off.
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2022 Navigator (TB9) Canada/United States of America, enUSA, Edition date: 202109, First-Printing Rear Occupant Alert System
Page 263 of 646

LOCATING THE SIDE PARKING AID
SENSORS
The side parking sensors are located in the
sides of the front and rear bumpers.
SIDE PARKING AID AUDIBLE
WARNINGS
When the side parking aid detects an object
within the coverage area and the driving path
of your vehicle, an audible warning sounds.
As your vehicle moves closer to the object,
the rate of the tone increases. PARKING AID INDICATORS
The system provides object distance
indication through the information and
entertainment display.•
As the distance to the object decreases,
the indicator waves and the lines move
toward the vehicle icon.
• If there is no object detected, the
distance indicator lines are grey.
Visual indication remains on when your
vehicle is in reverse (R). In any other gear,
when you stop your vehicle, visual indication
turns off after four seconds.
If the parking aids are not available, the side
distance indicator lines do not display.
PARKING AIDS – TROUBLESHOOTING
PARKING AIDS – INFORMATION
MESSAGES
If a fault is present in the parking aids, a
warning message appears in the instrument
cluster or the information and entertainment
display.
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2022 Navigator (TB9) Canada/United States of America, enUSA, Edition date: 202109, First-Printing Parking AidsE187810 E190459
Page 416 of 646
Protected Component
Rating
Item
Adjustable column and pedal memory module.
15 A
29
Trailer tow control module.
5 A
30
Rear climate control module.
10 A
31
Drive mode switch module.
Terrain management system switch.
Radio frequency transceiver module.
Audio control module.
20 A
32
Rear seat entertainment module.Rear audio control module.
Not used.
—
33
Run/start relay.
30 A
34
Not used (spare).
5 A
35
Image processing module A.
15 A
36
Automated park assist module.
Continuous control damping module. Air particulate matter sensor.
Heated steering wheel.
20 A
37
Left-hand rear power window.
30A Circuit Breaker
38
Right-hand rear power window.
412
2022 Navigator (TB9) Canada/United States of America, enUSA, Edition date: 202109, First-Printing Fuses