The "InControl" Remote Door lock function has recently stopped working on my vehicle, all the other functions appear to work.

The "InControl" (new Remote version) App is up to date as is the cars software. The message that's displayed on the app is "Remote door unlock is temporarily unavailable".

I've just found out that I can lock the vehicle if its unlocked, but can't unlock it if its locked. Is this a new "feature" or has it always been this way?

Neither the dealership or the InControl help line have any knowledge.

TIA