I kind of want to lock this
I'm starting to think people are getting irritated with me and thinking I'm stupid for not doing anything
try this
get in her face and literally loving scream about it
if she tries to play it off like she doesn't give a stuff then keep screaming
this is almost as bad as calling the authorities, it will devolve into physical violence is my guess and it will make things much worse
Take your moms keys and tell her she can't have them until she matures.
honestly I want to see how it goes from here and then try that, or get my dad to remod the car she'll be driving