A properly sealed exhaust system reduces the risk for carbon monoxide poisoning. Keep the window in your vehicle slightly open when you're stuck in snow, and run the engine and heater to keep warm. Keep the exhaust pipe clear of snow. A blocked pipe can force carbon monoxide back into the car interior. Ensure that your vehicle always has a sufficient amount of antifreeze rated for the coldest weather.
Windshield wipers Ensure that windshield wipers function efficiently.
Replace them if they are old or worn. Fill the washer container with an antifreeze fluid and top it up frequently. Fuel Fill up the fuel tank before you leave on your trip. Do not let the fuel level get too low - the driving time to the next gas station may take much longer than you ever expected, and if you get stuck, the car engine will be your only source of heat. A well-stocked winter driving kit helps to handle any emergency.