waking up

Forgive me if this has been covered before. Sometimes when I want to do something from the app, I get "Waking Up" for as long as a minute (or longer). But if I press "unlock" the car unlocks immediately - clearly the phone and at least some significant part of the car is communicating. But...

So my Model S is parked in my parking garage without possibility to attach power of any kind, and when I do long travels I usually set it into "Power save" and turn off "Always connected". At the moment there is a lot of talk in some of the Scandinavian forums regarding theft of Teslas, one...