mscar111

I'm wanting to buy a pistol to keep in my house and in my truck. I read that I'm allowed to do this because of the castle doctrine. My question is: if someone approaches my vehicle and starts to punch my glass to try and break it and get access into my vehicle, am I allowed to shoot them or do I have to wait until they break the glass? Also what if the person is approaching my car with a bat, crowbar, or some kind of weapon and I'm assuming they are going to use it to break my glass and attack me, do I have to wait until they break the glass, or am I able to draw my gun and tell them to back off or shoot them? I'm mostly concerned about road rage, or someone trying to rob me. My plan is if someone has something in their hands like a bat or pipe, and is acting in an angry and aggressive manner, and starts walking toward my vehicle, I'll draw my pistol and tell them to back away and then I'll leave, and then if they decide to take a swing at my window and gain entrance to my vehicle, then I'll shoot, I'm just not sure if that's the right way to do it. Also I'm wondering if I'm outside my vehicle, and someone is threatening to kill me or gives me a reason to think my life is in danger, am I allowed to run to my car and grab my gun and defend myself near my vehicle, or do I have to be inside the vehicle when I use my gun? How far am I able to be away from my vehicle with my gun and use it?