[-RC-]

When i parked my Foz today in an underground garage (with music), my doors won't lock... Not by remote or hand?!

Once we drove outside the garage everything seems to work o.k.

Is it possible that the frequence of the music gave an interference to my lock,
and what can I do about it when it happens again... besides parking somewhere else.

 

[ZapWizard]

According to the service manual the receiver for the keyfob is inside the back-most drivers side trim piece. Try close to there and see if that works.
As far as them not locking by hand that is very odd, as the button in the doors should be hardwired separate from the keyfob control box.
It most likely isn't the music frequency as much as it would be some other source such as a nearby power transformer, or perhaps some apartment dweller with too much radio equipment.

 

[-RC-]

Odd indeed... Will visit my local Sub dealer tomorrow , maybe he can explain this?!