Here is also an EMERGENCY CAR KIT
Choose a small cooler or a box or crate as storage. That way you can remove it if you need trunk space, and everything will stay together. To be kept in car year round. Change batteries in your pack when you change the time on your clocks.
Bags of sand, road salt, or non-clumping cat litter. The bags extra weight means better traction, and the contents can be spread under slipping tires.
Ice Scraper
Jumper Cables
Small shovel (to dig snow away from wheels or scatter sand on roadway.
Tire chains (each driver should practice putting them on)
Flares or reflective triangle to warn other motorists if you break down.
Blanket
Flashlight and batteries
Gallon jug of drinking water
First aid kit.