Some excitement here this evening. When my DH last parked my car, he accidentally left the headlights on. I went down to move my car (the building's garage must be entirely cleared for some work being done tomorrow) and... you guessed it. No juice. The remote didn't even work to unlock the door.
AAA arrived fairly quickly got the car running. We drove it around for a half hour; hopefully this will restore the battery for the next time.