First Aid Kit, toilet paper stored in a zip-lock bag

Flashlight (preferable a forehead mounted flashlight) with
extra batteries

Jumper Cables, tire chains/cables, and a tarp, extra
old/cheap sunglasses

Road flares or roadside lights or reflectors

Pen, Pencil and paper, vehicle cell phone charger, and a “printed”
out list of important phone numbers.

Extra old warm coat, hats and leather work gloves (a set for
each family member)

Energy Snack Bars, Drinking Water, mints, gum, floss and
small travel tooth brush and paste

Blanket, Umbrella, Kleenex, Ice Scraper/brush

Swiss Army or Leatherman utility knife

Supply of wet baby-wipes stored in a strong freezer zip-lock
bag

Duct tape, Rope, String, Trash bags, twisty and a few extra gallon
size freezer zip-lock bags.

Small handle shovel, zip-ties, tow rope/chain, bungees.

Mace ,Pepper Spray or some other appropriate self-defense
you feel comfortable storing/using.

Red-rag-flag needed if transporting something sticking out
back of your vehicle 4 feet or more.

A Chilton repair manual for your specific vehicle.

Purchase tools that would be commonly used to repair your
vehicle and keep them in your vehicle. Be sure to purchase the size for your
vehicle (metric tools for foreign made vehicles.)

Engine oil, brake fluid (type used for your vehicle) and windshield
wiper fluid.