Get a winter tune-up that includes checking:
Headlight functionality
Windshield washer fluids
Brakes
Install winter tires for the snowy season.
Have a flat tire inflation canister (non-explosive) in your vehicle
When driving, keep a safe distance behind the car in front of you
Drive slower than the speed limit when driving in unfavourable conditions
Pack an emergency kit as well as extra gloves, boots, a hat, and a blanket