FORD 2013 Explorer v.4 - Manual (Page 248)

The system can be turned off using the information display control.
Refer to the Information Display chapter.
If a fault is present in the system, a warning message appears in the
information display and does not allow the driver to switch the faulted
system on.
Note: If your vehicle is equipped with MyKey®, it is possible to prevent
turning the sensing system off. Refer to the MyKey® chapter.
Using the Rear Sensing System
The rear sensors are only active when the transmission is in R. As the
vehicle moves closer to the obstacle, the rate of the audible warning
increases. When the obstacle is fewer than 12 inches (30 centimeters)
away, the warning sounds continuously. If a stationary or receding object
is detected farther than 12 inches (30 centimeters) from the side of the
vehicle, the tone sounds for only three seconds. Once the system detects
an object approaching, the warning sounds again.
A. Coverage area of up to 6 feet
(2 meters) from the rear bumper
(with a decreased coverage area at
the outer corners of the bumper).
The system detects certain objects while the transmission is in R:
• and moving toward a stationary object at a speed of 3 mph (5 km/h)
or less.
• but not moving, and a moving object is approaching the rear of the
vehicle at a speed of 3 mph (5 km/h) or less.
• 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).
A
Parking Aids 247
2013 Explorer (exp)
Owners Guide gf, 4th Printing, November 2012
USA (fus)