[sliverstorm]

You could do all sorts of nasty things depending on the car. With a gasoline car, you could melt the engine if the fuel maps are accessible via OTA.

[Ygg2]

You can probably melt the battery in Tesla. Batteries are heated, right? Add stress to batter, turn heaters on. Watch battery melt and/or explode. You can already do similar attack on laptops.