Could there have been moisture / ice on handle.  Yes, check your battery voltage before you start the car as low module voltages can create issues.   It’s possible there’s a wiring, connection problem with the door module or handle where a circuit is “stuck” open / closed.  As I said prior, the BCM initiates commands over the CAN to the modules to unlock doors for a valid FOB when door handles are touched. So, even if there is a bad circuit, the default is likely to unlock doors in presen