REVERSE BRAKING ASSIST – TROUBLESHOOTING
REVERSE BRAKING ASSIST – INFORMATION MESSAGES
Action
Message
Make sure that all doors, liftgate and hood are closed. Drive the vehicle
on a straight road for a short period. Make sure the parking aids andcross traffic alert systems are on. If the message remains on, have the system checked as soon as possible.
Reverse Brake Assist Not Available See Manual
Displays when a system error has occurred. Have your vehiclechecked as soon as possible.
Reverse Brake Assist Fault
Displays when reverse brake assist is off.
Reverse Brake Assist Off
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REVERSE BRAKING ASSIST –
FREQUENTLY ASKED QUESTIONS
Why is reverse braking assist unavailable?
•
Make sure the reverse braking assist is
on. See Switching Reverse Braking
Assist On and Off (page 240).
• Make sure that all doors and the liftgate
or tailgate are closed. Drive the vehicle
on a straight road for a short period. If
the message remains, contact an
authorized dealer.
• Make sure the cross traffic alert system
is on if equipped.
See Switching Cross
Traffic Alert On and Off (page 317).
• Make sure the rear parking aid system is
on.
See Rear Parking Aid (page 256).
• Make sure the traction control is on. See
Switching Traction Control On and Off
(page
246).
Note: The traction control automatically turns
off if four-wheel drive low and certain drive
modes such as mud/ruts and snow/sand is
activated. •
The vehicle may have sustained a rear
end impact. Contact an authorized dealer
to have the sensors checked for proper
coverage and operation.
• An anti-lock brake, traction control or
stability control event may have occurred.
Reverse braking assist resumes
operation when the event is complete.
• Make sure the rear view camera and 360
degree camera are not dirty or
obstructed. If dirty, clean the camera. If
the message still appears after cleaning
the camera, wait a short time for the
message to clear. If the message does
not clear, contact an authorized dealer.
• Make sure the cross traffic alert and rear
parking aid sensors are not blocked or
faulty.
See Locating the Cross Traffic
Alert Sensors (page 317). See Locating
the Rear Parking Aid Sensors (page 256).
• You recently had your vehicle serviced,
or the battery disconnected. Drive your
vehicle a short distance to resume
system operation. •
Reverse braking assist does not function
when you connect a trailer. Operation
resumes when you disconnect the trailer.
Note: If the answers to why the system is
unavailable do not assist in returning reverse
braking assist to available, have the system
checked as soon as possible.
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WHAT IS HILL START ASSIST
Hill Start Assist makes it easier for you to pull
away when your vehicle is on a slope without
using the parking brake.
HOW DOES HILL START ASSIST
WORK
When the system activates, your vehicle
remains stationary for a few seconds after
you release the brake pedal. This gives you
time to move your foot from the brake pedal
to the accelerator pedal. The brakes release
when the engine has developed sufficient
torque to prevent your vehicle from rolling
down the slope.
HILL START ASSIST PRECAUTIONS
WARNING: The system does not
replace the parking brake. When you leave
your vehicle, always apply the parking
brake. WARNING: You must remain in your
vehicle when the system turns on. At all
times, you are responsible for controlling
your vehicle, supervising the system and
intervening, if required. Failure to take care
may result in the loss of control of your
vehicle, serious personal injury or death. WARNING:
The system will turn off
if a malfunction is apparent. Failure to take
care may result in the loss of control of
your vehicle, serious personal injury or
death. HILL START ASSIST –
TROUBLESHOOTING
HILL START ASSIST – INFORMATION
MESSAGES Action
Message
Displays when
system is not avail- able. Have your
vehicle checked as soon as possible.
Hill Start Assist Not
Available
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Note:
The system switches off if you shift
into reverse (R) and press the brake pedal.
There could be actions that can cause the
auto hold system not to work when the
following occur:
• When you use active park assist.
• Your vehicle is in stay in neutral mode.
• The driver door is open.
• You have not fastened your seatbelt.
• You shift into reverse (R) before the
system is active.
AUTO HOLD INDICATORS Illuminates when the system is
active.
Illuminates when the system is on
but cannot hold your vehicle at a
standstill at this particular time.
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WHAT IS HILL DESCENT CONTROL
Hill descent control allows the driver to set
and maintain vehicle speed while
descending steep slopes in various surface
conditions.
HOW DOES HILL DESCENT
CONTROL WORK
Hill descent control can maintain vehicle
speeds on downhill slopes between
2–20 mph (3–32 km/h). Above 20 mph
(32 km/h), the system remains on but the
descent speed cannot be set or maintained.
Note: The system does not function below
2 mph (3 km/h)
.
The system requires a cool down interval
after a period of sustained use. Hill descent
control provides a warning in the message
center and a tone sounds when the system
is about to disengage for cooling. At this
time, manually apply the brakes as needed
to maintain descent speed. Note:
The amount of time that the system
can remain active before cooling varies with
conditions.
HILL DESCENT CONTROL
PRECAUTIONS WARNING:
The system does not
control speed in low traction conditions or
extremely steep slopes. The system is
designed to be an aid and does not relieve
you of your responsibility to drive with due
care and attention. Failure to follow this
instruction could result in personal injury. WARNING:
Hill descent control
cannot control descent in all surface
conditions and circumstances, such as ice
or extremely steep grades. Hill descent
control is a driver assist system and cannot
substitute for good judgment by the driver.
Failure to do so may result in loss of
vehicle control, crash or serious injury. WARNING:
The system does not
replace the parking brake. When you leave
your vehicle, always apply the parking
brake and shift the transmission into park
(P) for automatic transmission or first gear
for manual transmission.
SWITCHING HILL DESCENT
CONTROL ON AND OFF Press the button on the instrument
panel. A light illuminates and a
tone sounds when the system is
active.
SETTING THE HILL DESCENT
SPEED
To increase or decrease the descent speed,
press the accelerator or brake pedal, or use
the SET + and SET - buttons on the steering
wheel. Once you reach the preferred speed
remove your feet from the pedals.
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(If Equipped)E163171
ELECTRIC POWER STEERING
ELECTRIC POWER STEERING
PRECAUTIONS
WARNING: The electric power
steering system has diagnostic checks that
continuously monitor the system. If a fault
is detected, a message displays in the
information display. Stop your vehicle as
soon as it is safe to do so. Switch the
vehicle off. After at least 10 seconds, switch
the vehicle on and watch the information
display for a steering system warning
message. If a steering system warning
message returns, have the system checked
as soon as possible. WARNING:
If the system detects an
error, you may not feel a difference in the
steering, however a serious condition may
exist. Have your vehicle checked as soon
as possible. Failure to do so may result in
loss of steering control. Adapt your speed and driving behavior
according to reduced steering assist.
Extreme continuous steering may increase
the effort to steer. This occurs to prevent
internal overheating and damage to the
steering system. If this occurs, you will not
lose the ability to steer your vehicle manually
nor will it cause damage to the system.
Normal steering and driving allows the
system to cool down and steering assist
returns to normal.
Note:
There is no fluid reservoir to check or
fill.
ELECTRIC POWER STEERING
ADAPTIVE STEERING
(If Equipped)
The adaptive steering system changes the
steering ratio with changes to vehicle speed,
optimizing the steering response in all
conditions. The system also changes when
you switch on the transmission tow/haul
feature. When you select the tow/haul button,
the adaptive steering system reduces vehicle
sensitivity to steering inputs at higher vehicle
speeds, while maintaining the ease of
parking and maneuverability at low speeds. Note:
The adaptive steering system
continuously monitors for faults. If the system
detects a fault, a message appears in the
information display. If a red warning
message displays, stop your vehicle as soon
as it is safe to do so. The message could
clear if the fault is no longer present. If an
adaptive steering system warning message
appears each time you start your vehicle,
have the system checked as soon as
possible.
Note: The system has a locking device. It
remains mechanically locked at a fixed
steering ratio with the lock engaged. You
may notice a click when you turn your
vehicle on or off.
Note: If your vehicle loses electrical power
or detects a fault when you are driving, the
system shuts down and you retain a normal
steering function with a fixed steering ratio.
During this time, it is possible that the
steering wheel could not be straight when
the vehicle is driving straight ahead. In
addition, you could notice that the steering
wheel angle required to steer your vehicle
could be different.
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Note:
During parking maneuvers, the
adaptive steering system balances the driver
workload for various steering wheel inputs
and vehicle loading conditions. Under
extreme operating conditions the system
locking device could engage. This strategy
prevents overheating and permanent
damage to the adaptive steering system.
Typical steering and driving maneuvers
allow the system to cool and return to normal
operation. Adaptive Learning
Adaptive learning helps correct road
irregularities and improves overall handling
and steering. It communicates with the brake
system to help operate advanced stability
control and crash avoidance systems.
Additionally, whenever you disconnect the
battery or install a new battery, you must
drive your vehicle a short distance before
the system relearns the strategy and
reactivates all systems.STEERING – TROUBLESHOOTING
STEERING – WARNING INDICATORS The adaptive steering system
indicator illuminates if the system
detects a fault during the
continuous diagnostic checks.
Note: If a red warning message displays,
stop your vehicle as soon as it is safe to do
so.
STEERING – INFORMATION MESSAGES Action
Message
The power steering system has detected a condition that requiresservice. Have your vehicle checked as soon as possible.
Steering Fault Service Now
The power steering system is not working. Stop your vehicle in a safeplace. Have your vehicle checked as soon as possible.
Steering Loss Stop Safely
The power steering system has detected a condition that requiresservice. Have your vehicle checked as soon as possible.
Steering Assist Fault Service Required
The steering system has detected a condition that requires service. Have your vehicle checked as soon as possible.
Steering Lock Malfunction Service Now
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PARKING AID PRECAUTIONS
WARNING: To help avoid personal
injury, always use caution when in reverse
(R) and when using the sensing system. WARNING:
The system may not
detect objects with surfaces that absorb
reflection. Always drive with due care and
attention. Failure to take care may result
in a crash. WARNING:
Traffic control systems,
fluorescent lamps, inclement weather, air
brakes, external motors and fans may
affect the correct operation of the sensing
system. This may cause reduced
performance or false alerts. WARNING:
The system may not
detect small or moving objects, particularly
those close to the ground. WARNING:
The parking aid system
can only assist you to detect objects when
your vehicle is moving at parking speeds.
To help avoid personal injury you must
take care when using the parking aid
system. WARNING:
The system may not
function if the sensor is blocked. WARNING:
In cold and severe
weather conditions the system may not
function. Rain, snow and spray can all limit
sensor performance. WARNING:
If damage occurs in the
immediate area surrounding the sensor,
have your vehicle checked as soon as
possible.
Note: If your vehicle sustains damage
leaving the sensors misaligned, this will
cause inaccurate measurements or false
alerts. When you connect a trailer to your vehicle,
the rear parking aid detects the trailer and
provides an alert. Disable the parking aid
when you connect a trailer to prevent the
alert.
Note:
Certain add-on devices installed
around the bumper or fascia may create
false alerts, for example, large trailer hitches,
bike or surfboard racks, license plate
brackets, bumper covers or any other device
that could block the normal detection zone
of the parking aid system. Aftermarket spare
tires or spare tire covers mounted to the rear
tailgate could cause false alerts from the
park aid system. Remove the add-on device
to prevent false alerts.
Note: Keep the sensors free from snow, ice
and large accumulations of dirt. If the
sensors are covered, the system's accuracy
can be affected.
Do not clean the sensors with sharp objects.
Note: When using a programmed MyKey,
you cannot switch the parking aids off. See
MyKey™
(page 82).
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2022 Navigator (TB9) Canada/United States of America, enUSA, Edition date: 202109, First-Printing Parking Aids