Update: I got back today after 8 weeks and am totally amazed. The battery was only down to 12.08V and it started right up. What's odd is we left the car doors locked while in the garage, with both fobs stored over 30' away, and it was unlocked when we returned. Is this some sort of default program that unlocks the doors if voltage gets too low? That might be an issue if the battery ran down for some reason while parked at the airport, etc. No complaints from me though, I was sure it would be stone cold dead!