I do have a edc bag with spare mags and ammo along with some other range items.
My other automobile items are separate. I usually have a multi tool, flashlight, jumper cables, road flares, cold weather stuff in the winter, some plastic sheeting, a black balaclava, latex gloves, lime and a shovel.
"A Liberal is someone who doesn't care what you do, as long as it's mandatory". - Charles Krauthammer