1984 Porsche 944 - cannot get hatchback to open with electronic button or key

What is your question?

How do I get hatchback on 1984 Porsche 944 to open when neither key used in hatchback nor electronic button near driver seat will cause hatchback to open?

What makes this problem better or worse?

No conditions affect the ability to open hatchback

How long has your 1991 Porsche 944 had this problem?

a few months