Used to happen sometimes with mine, when the car woke up. Reported it to my dealer when was going in for updates, never happened since.
Faults and Technical chat for the Volkswagen ID.3
Happened to me last night with my month old ID.3. Alarm went off four times in the night. In desperation and bleary eyed, I consulted this very helpful forum for ideas. Thanks for the tip on interior monitoring. I eventually found the culprit was a moth fluttering around inside the car, activating the obviously sensitive interior monitoring. Squashing the moth and turning off interior monitoring (on Goodbye screen) seems to have done the trick. At least for last night….