This isn’t an issue. This is deliberately done as a safety precaution. I don’t know of a single EV which charges the low voltage battery from the high voltage battery while the vehicle is off.
My experience with the same situation may not be too helpful. I received my truck at the end of last year. At the time, the question of rebates in 2023 was up in the air. My truck arrived to Richmond on Christmas and delivered to WC Ford the morning of 12/27. WC Ford prepped the truck in a few...