Plan your travel and check the latest weather reports. Fully check and winterize your vehicle before the winter season begins. Keep your gas tank near full to avoid ice in the tank and fuel lines. Let people know where you are going and times of arrival. Smaller can which may be used for melting drinking water.
Coffee can with waterproof matches to make a fire.
You would be surprised how much heat can be produced from this. Tow rope Booster cables Water Container Compass and road maps.