On first thought...
[for the KLN 94]
Go to the FlightPlan 0 page
Scroll up to the appropriate waypoint
Hit Direct
Hit Enter
Rotate the OBS to the heading to the waypoint
Fly the procedure

Doug wrote:
If you are set up for flying to the IAF, are outside the IAF and you
get vectored to one of the intermediate fixes, or the FAF, do you know
what to do? Difficutly is knowing which buttons to push on the GPS.
Also, do you know how to handle a missed? a non published missed?