I had the same issue with my 93 eurovan. My local VW dealer was able to provide me with the code to unlock the radio. I think they used my VIN. 

Good luck

Scott

Sent from my iPhone

> On Dec 24, 2019, at 11:20 AM, John H. Lauterbach <john@jhl.mgacoxmail.com> wrote:
> 
> Thank you for all your help and Happy and Safe Holidays to All.
> 
> Those of you who have been following my purchase and repair of my '91 GL know
> that if I am worry about the radio, the van must be running well and indeed it
> is.
> 
> Radio is in SAFe mode.  I have checked with previous owner, and he could not get
> unlocked after it lost power.  I have tried the unlock steps in the Bentley and
> the stuff on the web.  Nothing works.
> 
> What are my options.  My Son knows the parts folks at the local VW dealer as he
> has to buy parts from then when the dealership he works for gets a VW trade.
> 
> John