Make sure the windshield washer works and there is washing fluid contained in the washer reservoir. Use windshield washer antifreeze to prevent freezing of the washer liquid. Make sure you have enough tread on your tires. The drive tires must provide traction to push the rig over wet pavement and through snow. The steering tires must have traction to steer the vehicle.
Enough tread is especially important in winter conditions.
More would be better. Use a gauge to determine if you have enough tread for safe driving. Tire Chains . You may find yourself in conditions where you can't drive without chains, even to get to a place of safety. Carry the right number of chains and extra cross links.