When my vehicle spawns, the car can't support itself and smashes itself What's supposed to happen: What actually happens: How can I make it so that the vehicle supports itself and not destroy itself
How did you create the Jbeam structure for your vehicle? It looks like it's just a converted model, which won't work at all.
To put it succinctly: a 3d model is used to represent an object's surfaces, but a jbeam has to be designed to be its volume and structure.