12v charging system failing, and main battery close to dead. What next?
2023 model. This morning, 0 juice so jumped it and drove 35 miles to work. This evening, same issue. Stopped at car parts store near home, they tested, believe 12v battery itself isn't the issue. They say alternator, but i'm not sure this thing even has an alternator!
If I jump it to drive to work tomorrow I might make it back later, but my main battery will be toast, and I'll need enough to get to a dealer later this week.
Short of working from home until then, how can I get the main battery charged, knowing it won't take a charge when the 12v is completely dead (as it is every time I turn the car off now)?