

Even immersing the car doesn’t really stop it, it kind of just pauses the fire. When it’s surfaced again and starts to dry it tends to self ignite again for a very long time. EV fires are extremely difficult to stop right now and the procedure usually boils down to “Let it burn itself out and keep everything around it from catching too.”
Given how she vigorously denied any connection well before anyone was talking about it, she pretty much already told on herself.