A.Turn on FilterKeys, this will allow accessibility options to be turned on at will.
B.In accessibility options on the general tab, enable "turn off accessibility features after idle for xx minutes".
C.From the Keyboard tab of the accessibility option applet, check the StickyKeys checkbox, this will save all accessibility options when you exit the control panel applet.
D.In accessibility options on the general tab, disable "turn off accessibility features after idle for xx minutes".