I had a similar issue when I connected my electricity provider to my Kia EV6. Presumably it would turn on charging when the price was optimal, but they were pin

I had a similar issue when I connected my electricity provider to my Kia EV6. Presumably it would turn on charging when the price was optimal, but they were pinging it for status so often that the car never went to sleep, and it drained the 12V. Funny enough, the dealership couldn't figure it out; I "fixed" it by changing my Kia credentials.