Don't run the battery down, best to use when the motor is running. Small sack of lime or other kind disinfectant for using with your portable sanitation facilities. Roll of toilet tissue or large box of facial tissue. Transistor radio and extra batteries - Check these regularly to make sure they haven't gone bad. But if you're not in shape, don't spend very long trying to dig yourself out.
Over- exertion can be dangerous.
A snow shovel is much more effective for moving snow than is a spade type shovel. Flashlight with extra batteries, the more powerful the better. Good for signaling for help. Tow Chain - Should be at least 20 feet. Small sack of sand - Helpful to put in can with candle or to provide extra traction if you need just a little help to get off any icy spot.