your entire car, mirrors included of all the snow and ice to keep yourself and other drivers safe. never speed no matter how late you are, black ice accounts for hundreds of wrecks each year and it virtually impossible to see until you hit it.
make sure you keep your car loaded with blankets, jumper cables, snow shovel, broom, water, food, and even extra clothes. some of the things may seem a little extreme but it’s always better to be safe than sorry, especially if you live in an area where snow storms are sudden and severe.
make sure you leave plenty of distance between you and other drivers. chances are most 