CS 757-200 Questions :)

Hi, why can't I push the Captain Sim 752's autopilot buttons in the Virtual Cockpit mode?
How do you follow the MS FP route?
And finally, where can I select the course (or ILS hdg)?
Thanks
PS: This is for FSX.
How do you follow the MS FP route?
And finally, where can I select the course (or ILS hdg)?
Thanks
PS: This is for FSX.