Thank you to everybody who responded to my question yesterday regarding
the lock on my rear hatch. They were all very helpful. After reading all
the responses, I did some further investigation and have some follow-up
questions:

My van is a '90 Westy with power door locks. I noticed if the front
doors are locked the key will unlock the rear hatch. If the front doors
are not locked I can't figure out how to open the rear hatch, key or no
key.

Any hints now, my friends? :-)