as long as the button are set as FA keys in program 4-12 you can change them from the phone.

1-4* is park
1-4# is pickup
2-00 (if you have a vm) is live record (it also has to be enabled in the mailbox).
1-59 is page all
#-80-ans-feat-feat is night (has to be enabled in 4-17)

there is a ton of them. what are you wanting to program??