Select Option 24 (Control Menu) > 104 (Change your Password). Then follow instructions in the link below.
Changing VAI Passwords:
1) Option 24: Control Menu
2) Option 104: Change your Password
Note: For added security, you will not see the text you type into any fields on this screen.
1) Enter Current Password, then press tab.
2) Enter New Password, then press tab.
3) Enter New Password again, then press Enter.