Ford Super Duty Owner's Manual page 229

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Whether accelerating or decelerating, once the desired descent speed is

reached, remove your feet from the pedals and the chosen vehicle speed

will be maintained.

Note: Noise from the ABS pump motor may be observed during hill

descent control operation. This is a normal characteristic of the ABS and

should be no reason for concern.

Hill descent modes

• At speeds below 20 mph (32 km/h): When the HDC switch is pressed

and HDC is active, the HDC telltale will flash.

• At speeds below 20 mph (32 km/h): When the HDC switch is pressed

and conditions are not correct for hill descent activation, the HDC

system will be enabled, the light in the cluster will be on solid and

HILL DESCENT CONTROL READY will be displayed in the message

• At speeds above 20 mph (32 km/h): When the HDC switch is pressed,

the HDC system will be enabled, the light in the cluster will not be

illuminated and FOR HILL CNTRL, 20 MPH OR LESS will be displayed

in the message center.

Refer to Message center in the Instrument Cluster chapter for hill

descent control messages.

2013 F-250/350/450/550 (f23)

Owners Guide gf, 1st Printing

Terrain Response