What tells the 2009 FEH that the oil HAS been changed? I changed it at 9860 and when it rolled past 10000, the message changed to oil change reqired.

 

You must have used the wrong oil then, it's got sensors that knows when oil is nice & clean and new

Or cycle thru the dash menu and push (hold maybe) reset.

 

Page 80 of the 2009 FEH Owners Guide:

Oil life
An oil change is required whenever indicated by the message center.
USE ONLY RECOMMENDED ENGINE OILS.
To reset the oil monitoring system to 100% after each oil change
(approximately 10,000 miles [16,000 km] or 12 months) perform the
following:
1. Press and release the SETUP
control to display “OIL LIFE =
XXX% HOLD RESET = NEW”.
2. Press and hold the RESET
control for two seconds and release.
Oil life is set to 100% and “OIL LIFE
SET TO 100%” is displayed.
3. While “OIL LIFE SET TO 100%”
is displayed, if a lower oil life start
value is desired, press and release the RESET control to reduce the start
value. Each press of the RESET control reduces the value by 10 %.
2009 Escape Hybrid (ehv)
Owners Guide, 1st Printing USA (fus) Driver Controls page- 80

Note: Oil life start value of 100% equals 10,000 miles [16,000 km] or
12 months. For example, setting oil life start value to 60% sets the oil
life start value to 6,000 miles (10,000 km) and 219 days.