– Check your battery, wipers, lights, oil, coolant, and fluids
– Make sure your jumper cables, flares, and other emergency items are packed
– Charge your cell phone, and don’t forget to bring your car charger, if you have one
– Make sure you have up-to-date maps
– Put some gloves and a blanket or two in the car
And of course, make sure your tires are inflated to the right pressure!