I do have a daily charge/precondition schedule set for home M-F, which works perfectly everyday. The alert comes several hours later after I've arrived at work. Until I started troubleshooting this, I didn't realize your precondition schedule was location based, and you can have different schedules saved at your home, work, or any other location. The car/app will display the appropriate schedule depending on where the car is currently located. But yes, I have confirmed there is no schedule set at my work location.I assume you don't have a Schedule item to precondition on some days
I will caveat this by saying my particular situation is likely a little different than others here. I leave my phone in the car for several hours each morning by disabling bluetooth and using the keycard to lock the doors. When I return, I'm greeted with the app notification described by the OP - usually, but not always, time stamped with the moment I unlocked the door. I have followed this same routine since I got the car last December, and it just started happening a few weeks ago. After confirming via TeslaFi that the climate never actually turns on, it's really just an annoyance at this point.