Car Emergency Kit

I decided, after speaking with some friends about BOBs and survival, that I should probably have an emergency kit in my car, as I travel on a sparsely populated section of highway that can get snowed in in the winter. This is what I came up with. It will be evolving as the need requires. The benefit of using a large ammo can like this is that I can drill it out and put in loops so it can be locked with a padlock, and it can be bolted into the trunk to use as a car safe. In addition to this, I am thinking of getting a fold up pack shovel as well.

Suggestions on changes are welcome.