Ford 2013 Explorer Owner's Manual page 256

256
System Display
When active the system will run automatically in the background and
only issue warning if required. You can view the status at any time using
the information display.
Select Information then Driver Alert to show the status screen in the
information display.
The alertness level is shown by six steps in a colored bar.
The status bar will travel from left to right as the calculated alertness
level decreases. As the rest icon is approached the color turns from
green to yellow to red. The yellow position represents the first warning
is active and the red position represents the second warning is active.
Note: If you have recently received a warning; you should consider
resting, even if the current assessment is with the typical range.
Note: The alertness level will be show in grey if the camera sensor
cannot track the road lane markings or if the vehicle speed drops below
approximately 40 mph (65 km/h).
Resetting the System
You can reset the system by either:
• Switching the ignition off and on.
• Stopping the vehicle and then opening and closing the driver's door.
2013 Explorer (exp)
Owners Guide gf, 2nd Printing
USA (fus)
Driving Aids
The current assessment of your
alertness is within a typical range.
The current assessment of your
alertness indicates that you should
rest as soon as safely possible.