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WARNING: This system is not designed to prevent contact with
small or moving objects. The system is designed to provide a
warning to assist the driver in detecting large stationary objects to
avoid damaging the vehicle. The system may not detect smaller
objects, particularly those close to the ground.
WARNING: Certain add-on devices such as large trailer hitches,
bike or surfboard racks and any device that may block the
normal detection zone of the forward and reverse sensing system may
create false beeps.
The system will sound a tone to warn the driver of obstacles near either
bumper in the following manner:
• The front sensors will sound a high pitched tone which will appear to
come from the dashboard
• The rear sensors will sound a lower pitched tone which will appear to
come from the rear interior of the vehicle
• The sensing system will report the obstacle which is closest to the
front or rear of the vehicle. For example, if an obstacle is 12 inches
(30 cm) from the front of the vehicle and, at the same time, an
obstacle is only six inches (15 cm) from the rear of the vehicle, the
lower pitched tone will sound.
The reverse sensing portion of the system will assist the driver in
detecting certain objects while:
• the vehicle is in R (Reverse) and moving toward a stationary object at
a speed of 3 mph (5 km/h) or less.
• the vehicle is in R (Reverse) but not moving, and a moving object is
approaching the front or rear of the vehicle at a speed of 3 mph
(5 km/h) or less.
• the vehicle is in R (Reverse) and moving at a speed of less than
3 mph (5 km/h) and a moving object is approaching the rear of the
vehicle at a speed of less than 3 mph (5 km/h).
The system is automatically enabled when the gearshift lever is placed in
D (Drive) or R (Reverse) and the ignition is on. A control in the message
center allows the driver to disable the forward (if equipped) and/or
reverse system. Refer to Message center in the Instrument Cluster
chapter for more information. The message center will indicate a failure
in the forward or reverse system and will not allow the driver to switch
the faulted system on.
Driving
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2010 Navigator (nav)
Owners Guide (own2002), 1st Printing
USA (fus)