FORD 2015 F-550 v.2 - Manual (Page 57)

Description Message
Tracks the distance when drivers use a MyKey. The only way
to delete the accumulated distance is by using an admin key
to clear your MyKey. If the distance does not accumulate as
expected, then the intended user is not using the MyKey, or
an admin key user recently cleared and then recreated a
MyKey. MyKey Dist.
Indicates the number of MyKeys programed to your vehicle.
Use this feature to detect how many MyKeys you have for
your vehicle and determine when a MyKey has been deleted. {0} MyKeys
Indicates how many admin keys are programed to your
vehicle. Use this feature to determine how many unrestricted
keys you have for your vehicle, and detect if an additional
MyKey has been programed. {0} Admin Keys
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Super Duty (), enUSA
MyKey™